FOREIGN TECHNOLOGY DIVISION TECHNOLOGY DIVISION ... ATRACT: A ternary logical circuit using...

FTD-HT-67-1 11

FOREIGN TECHNOLOGY DIVISION

DESCRIPTIONS OF INVENTIONS

(A CO.LLECTION OF SOVIET PATENTS)

4CDDC

Distribution of this document is unlimited.It may be released to the Clearinghouse,

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67-111

UNEDITED ROUGH DRAFT TRANSLATION

DESCRIPTIONS OF INVENTIONS

(A COLLECTION OF SOVIET PATENTS)

English pages: 37

Translated under: Contract AF33(657)-16408

TASo00921, TA70057O7-1588

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pfT-f 6 67-111 Di S Oct. 19 67

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11 This translation was made to provide the users with the basic essentials ofthe original document in the shortest possible time. It has not been editedto refine or improve the grammatical accuracy, syntax or therminology.

euetaso

DATA HANDUNG PAGEOh-ACCESSON NO. i -DOCUMENT LOC 35-TOPIC TAGS

TA8000921 electric generator, gas, electricity

O&-TTLE

A CAPACITIVE PNEUMOELECTRICALTERNATING-CURRENTGENERATOR

41"SUEJECT AREA

10

"4,.AUTHOR /0,-AhU' )I6 10-DATE OF INFO

GOLOVKO, A. F. 24JUN654.3SOUIRCE GOOCUMENT NO.2, HT6700111 (a)PATENT 182219 (1014691/26-25) CLASS 2id2, P/Ci H6OjECT 01 ,

_RUSSIAN) 11705-7963-SECUR#TY AND DOWNGRADING INFORMATION Sd-CONTROL MARKINGS 97-HEADER CLASN

UNCL, 0 NONE "-INCL

7S-REEL/FRAME NO. 77-SUPERSEDES 77-CHANGES 40-GEOGRAPHICAL NO. OF PAGESAREA

1882 2065 UR 4

CONTRACT NO. X MY ACC. NO. PUBLISHIfNG DATE TYPE PRODUCT REVISION FREO

AP6021436 Translation None3Tie OU. ACCESSION NO.U n/oooo/oo/0oo/0oo/ooo1/0001o TA7001578ABSTRACT :

An electropneuinatic a-c generator of the capacitor type isintroduced in which the energy of a compressed gas is converted intoelectricity by mechanically varying relative capacitances between theindividual oppositely charged parts Df the machine. To increase theuse of the compressed gas energy, the generator is designed in theform of longitudinal channels with a rectangular cross section madeof fixed insulated plates. The movatle part consists of insulatedstrips placed inside the channels and performs TW-type motions underthe action of gas pulses. Self-oscillating reed gas distributors, dueto the action of aerodynamic forces, are mounted at the inlet to thechannels.Orig. art. has: 4 figures.

AFKSC ¶om 4 (Test form under revision)

DATA lANDLUN PAGEesb " goo. WoocuuTLOC WTOPIC TAGS electronic circuit, logic

TA7001579 circuit, transistorized circuit

A TERNARY LOGIC CIRCUIT

41lJCT AREA

09

•AuThOR•0-AUW~•IU 1n -DATE OF INFOIVAS'KIV, YU. L.; IL'INYKH, A. S. 06Nov64

*)-IIC E Sl-DOCUMENT NO.

PATENT 182402 (928192/26-24) CLASS 42m, 14/02 HT67001i1(b)S-PROJECT NO.(RUSSIAN) 11705-78

SSI.KCURITY AND DOWNGRADING INFORMATION -CONTROI MARKING| 97-HEADER ZCIASN

UNCL, 0 NONE UNCL

"703IELPRIltAME NO. 7T3SUPERSEDES 71-CHANGES 40-OEOGRAP0ICAL NO. OF PAGESAREA

1882 2o66 URCONTRACT NO. 1 my AMCC IM. PUSLISHING DATE TYPE PRODUCT REVISION FREQ

AP6021474 Translation None

I AO" R1O ACCESSION NO.

-- S0T7RAJO-f:OO, 007 00/ -O0O0 TA7001579ATRACT: A ternary logical circuit using transistors with differentonductance and with grounded emitters is introduced. The base-emitterunction serves as the input of the circui-t to which two series-

ronnected tunnel diodes are coupled.rig. art. has: 2 figures.

e PS 4 (Test form under revision A).

KDATA HANDLING PAGE

*hACCS.MON NO. S0-DOCUMENT LOC fS-TOPIC TAGS

TA7001580 analog digital converter, electronicfeedback, pulse amplitude

O0-TITLIE

AN ANALOG-TO-DIGITAL

CONVERTER

416SUBJECT AREA

09

KISETS, D. KH.; IVANOV, V. I. 16DE°64k

4*SOURCE eS-DOCUMENT NO.

PATENT 182407 (933419/26-24) CLASS 42m, 14/03 69%700JCW

(RUSSIAN) 11705-7865-SECURITY AND OOWNGRADING INFORMATION G•CONTROL MARKINGS 97.HEADER CLASN

UNCL, 0 NONE UNCL

7G-REEL/P•APJME NO. 77-SUPERSE•ES 78-CHANGES 40-GEOGRAPHICAL NO. OF PAGESAREA

1882 2067 UR 4CONTRACT NO. X 19F ACC. NO. PUnLISNING DATE TYPE PRODUCT REVISION FP.EQ

AP6021475 Translation None

1 pACCESSION NO.

U-b/0000TO/O0071o1/00 2/0000 2 TA7001580 _AISTRACT: An analog-to-digital converter containing a nonlinear two-terminal network, such as a reverse-biased diode or a triode operatingas a diode, with a capacitive feedback is-introduced. To simplify thecircuit, a linear amplifier is coupled as a load to the two-terminalnetwork. The input of the amplifier is connected to a voltage source,while its output is connected to the common point between thecapacitance and the two-terminal network.Orig. art. has: I figure.

APIC ,o0 4 (Test form under revision) A-&, &A~

DATA HANDLING PACE

6%ACOO ma 3.UMN O TOPIC TAGS relaxation oscillator, pulse

FTA70 1581j transformer, frequency stabilityWTT6A RELAXATION

OSCILLATOR WITH AN LCRESONANT CIRCUIT

476SUJUC1T AREA

17

@.AUTNOR OS-Atmio 10-DATE OF INFO

NEZHDANOV, I. V.; MOIN, V. S. :19MAY644*-SOURCC 66-DOCUMENT NO.

I -- HT6700111(d)IPATENT 182766 (900982/26-9) CLASS 21a , 36/02 WPROJECT NO.

(R SsIAN) 1.1705-7866-SECURITY AND DOWNGRADING INFORMATION 64-CONTROL MARKINGS g,-NEADER CLASN

UNCL, 0 NONE UNCL

n0-MREL/FRAME NO. 77-SUPERSEDES T76-CiIANGES 40-GLOGRAPHICAL NO. OF PAGESI AREA

1882 2068 1 IJ 3CONTRACTNO-.- X Wl ACC. NO. {PUBLISHING DATE TYPE PRODUCT REVISION FFREQ

AP6021783 jTranslation Noneuw w.ACCESSION NO.

W-- 10,7dOO/o/100010/o00I00 000 2 TA7001581ABSTRACT:. A relaxation oscillator circuit with an LO-tank, thyristor,7diode, and a pulse transformer is introduced. The primary winding ofthe pulse transformer is connected in series with the resonant LCcircuit, while the secondary winding is joined to the thyristor controlelectrode. This increases frequency stability and output power of thegenerated pulses. A more reliabile circuit may be fbrmed if additionalthyristors are used. These may be controlled by separate secondarywindings of the pulse transformer as shown in the lower circuit.Orig. art, has: 2 figures.

AmS ime 4 (Test form under revision) ^Fee (^Arm)

S--- m dm- - - IDATA HANDLING PAGE

*1ACCBUSION NO. 9M-DOCUMENT LOC 38-TOPIC TAGS

TA7001582 pulse shaper, current stabilization

0W-TITLE

A PULSE STRETCHER

4"-SUBJECT AREA

09, 17

42.AUTOFR IC..AUTHOF - 10-DATE OF INFO

MAGRACHEV. Z, V.: TSYGANKOV, B. K."" EGUPQV A •6SEP6:41-SOUPCE -&DOCUME"T NO.

4 HT67ouili (e)

PATENT 182767 (1C¢6237/26-9) CLASS 21aI, 36/C4; 21a ,71 60-PROJECT NO.

( R USSITAN__) -A 117 '5-78

6-SSECURITY AND DOWNGRADING INFORMATION -4-CONTROL MARKINGS 97-HEADER CZL.SN

UNCL, 0 NONE UNCL

76.REEL/FRAME NO. 77-SUPERSEDES 78-CHANGES 4O-GEOGRAPHICAL NO. OF FAGESAREA

1882 2069 uR 4CONTRACT NO. X It? ACC. NO. PUBLISHING DATE TYPE PRODUCT REVISION 'PEC

AP6'O21784 Translation None

ACCESSION NO.

UR/OccD/x 0//0C'/C0 001/0002 TA7C01582

ABSTRACT: A pulse stretching circuit for use in digital pulse juration

measurements is shown. It consists of a regulated charging currentsource which drives an integrating capacitor (3) through a diode. The

capacitor (3) is connected to the diode cathode, regulated dischargecurrent source, and a comparator. To insure operation of the (circuitin the same mode in all measurement r~nges, additional capacitors mayoe switched into the circuit by a range switch.Orig. art. has: I figure.

A 06 0 (Test form under revision) ^Po I""

-- 1 < .-

DATA HANDLING PAGE

%&caCIImo 'No. t 9DOCUMIENT LOC SOTOPIC TAGS

TA7O¢IX"1.5I "2lne, heriiietic seal

O-TITLE DEVT C E ,A

J:)TNI1`J OF T WO FIPTF_

47"SIUSIJECT ANRA

13

&a-AUTHOmR/C0-AUW0J- 10-OAT E OF INFO

AKHROMEYE.V, Z-1. F.; YRKOV, v.7I. 27MAY64AS- 4 OUJRCE j 68-DOCUMENT N.

TIT 7.oo) 11 LS, T i -, ( . ',- / - '.L, . f, 1: 61-3 ROJEC- NO.

69-SECURITY AND DOWNGRADING INFORMATION 64-CONTROL MARKINGS 97-HEADEP;LR N N

'JNCIL, NC'F UTNCL

7(46REEL/PRAME NO. 7",•SUPEHSEDES 70-CHANGES 40-GEe•-RAPHICAL- O F•riAREA

UR 3"CONTRACT NO. X If ACi .i i. 7 T PUBLISHING DATE TYPE PRODUCT REVISIO eF 01F'"- "

A i, 2 a1i_ Translation NoneTlup NO. ACCESSION NO.

t•P./c00/0 ?/.. ./u'•,0/.1/¢:2 '.A70o1593 -

AOSTRACT : An Author Certificate has been issued for a device icr joininT:tw: pipelines hermezi:ally, which is made in the form of nipples`c::tmned to the pirelines and outfitted wi-th built-in shut-off valveshaving springs for closing off the pipelines when disassembled andconnected witn each other by a swing nut. To relieve internal pressureon the thread, one of the nipples has a pressure-release chamber, whichir enclosed by a cylinder and a shut-off valve rod coaxial to thenipple housing. To asrure the nioplec' hermetic seal, in the shut-oft'fvalves are W-shaped grooves containing vulcanized rubber.Orig. art. has: I figure.

i. 1. Devico for the hermetic joining

of two pipelines.

I - Nipples; 2 - hermetic chamber:3 - cylinder; 4 shut-off valve rod.

aimu o 4 (Test form under revision )........

•- mO.e-

DATA HANDLING PAGE

OhACcamION NO. 98-OOCUMENT LOC $S-TOPIC TAGS

TA70C1754 1 gyroscope, resonalor, laser, quartz

O-TITLE

A LASER AYROSCOPE WITH• dJART7 RESONATOR

47-SUBJECT AREA

20, 17

43-AUTHOR/(0-AUT0FHO I0DATE OF INFOSLASHCHIN, M. S.; KTJ7'MIN, YE. I. 23MAR64

43SOu RCE 68,-DOCUMENT NO.

H.7670011o (pPATENT 172400 (5910U0/26-25) CLASS 21f, 9C; 42c, 5,-1 6PROjECT NO.

( Rus IsTm) I[N6_C:G2-0163•SECURITY AND DOWNGRADING INFORMATION 641-CONTROL MARKINGS 97-HEALIER Cý. ASN

UNCL, 0 J -EUNCL

78-REEL/FRAME NO. 77-SUPERSEDES 78-CHANGES 40-GEOGRAPHICAL No. OF PACFSAREA

i- ? 2)71 UR 2CONTRACT NO. X 1P ACC. V0. PUBLISHING DATE TYPE PRODUCT REVISI3N 7L•O

AP5021570 Tra.nslaticn None

3797 W. ACCESSION NO.- U0 U/OOO O0Q O0/ 00V OW oo/ ,o 2 TA700158"-ABSTRACT * This author certificate introduces a laser gyroscope (see Fig.i) containing a resonator composed of two jcined quart7 plates with iquartz mirrors glued on them. This type of resonator assures therigidity of the laser gyroscopes.Orig. art. has: I figure.

,- -Fig. 1. Laser gyroscope with quartzi11 lresonatorI'I

j" "• A, P, C, nnd ' - M.1irrors;I and 2 - quart- plates:iiiI 3 - resonator; 4 and 3 - openings in

L- - the plates.

APISC FJ 4 (Test form under revision) .... ,"P11,

S- - II - -I

DATA HANDLING PAGE

*,ACCMION NO 90-DOCUMENT LOC 3ITOPIC TAGS

TA700158-) simulation, aerodynamic load, aileron,F static test09T ITLE DEVICE FOR SIMULATIONOF AERODYNAMIC LOAD ONCOMPONENTS OF AN AIRCRAFT

747-SUIJECT AREA

01, 13

4£3.kUTHOR/C0,-AUTHO0S 10-DATE OF INFO

I) •ALOV. V. K.: GUSEV, A. G.; ALTUK1IOV, V.L.: * IJUL644- SOU RC E 6&-DOCUMENT NO.

III 'ENT 171c-13 (912266/40-23) CL/C? /i-k, ?li (RUSSIAN) i-"pROJECT NO11705-7c

63)4ECURITV AND DOWNGRADING INFORMATION 64-CONTROL MARKINGS 97-HEADER CLASN

UNCL, 0 NONE UNCL

76-REEL/FRAME NO. 77-SUPERSEDES 7,-CHANGES 40-GEOGRAPHICAL NO. OF PAGESAREA

1382 2072 UR 3CONTRACT NO. X SEP ACC. NO. PUBLISHING DATE TYPE PRODUCT REVISION FE-EQ

Translation None

ACCESSION NO.

/0000/00/000/000/000i/0002 TA7001585ABSTRACT :

* 42 - Author/co-authors - cont. KULEPOV, M. A.; MAMONOV, B.I.

ITvention proposes a device for simulation of aerodynamic load oncomponents of an aircraft, usually control surfaces, ailerons, andlanding gear doors. The device consists of a frame with drums andsuspension assemblies and a loading system with a cylinder, beam, ropesand straps. The axis of the frame suspension elements coincides withthe rotation axis of the object being tested. The frame of the loadingstrap system is attached to the test object, and the cables run overdrums to the beam and loading cylinder.

A 'PI 0 """ 4 (Test form under revision .. &C (..•S

DATA HANDLING PAGE01-ACC33SaON NO. 99-DOCUMENT LOC SB-TOPIC TAGS

TA7001586 wind tunnel, Mach number, boundary layer__ __ __ __ - I flow

AN ADJUSTABLE WIND-TUNNELNOZZLE

47-SUmJIECT AREA

01

4a.AUTNOR /0O.-AU1HOFS SOLODKIN, V. K.; 10-DATE OF INFO

KULESHOV. V. I; LYSHINSKIY, V. V.; MAKSIMOV, S. M. 26FEB6443-SOURCE SO-DOCUMENT NO.

HT670011l WPATENT 169841 (884785/40-23) CLASS 42k, 20 (RUSSIAN) 69-PROJEC NO.I1705-7463SECURITY AND DOWNGRADING INFORMATION '&CONTROL MARKING 97-HEADEP :,ASN

UNCL, 0 NONE UNCL

76REEL/FRAME NO. 77-SUPERSEDES 78-CHANGES 40-GEOGRAPHICAL NO. OF PAG•"S--AREA

i •32 2073 UR 3CONTRACT NO. X ft ACC. NO. PUBLISHING DATE TYPE PRODUCT REVISION FP•E

Transl-tion NoneI =Irr •ACCESSION NO.

ASUR ATO000/OOO0/O00/O000/O002 TA7001586ABSTRACT: The essence of the invention is a proposed adjustable nozzle

for wind tunnels, which incorporates a rigid plate on which the flexiblesection of the adjustable nozzle bears and a rectilinear profilesection is formed in the terminal outlet part of the nozzle, makingit possible to obtain a more uniform velocity (r.:ach number) field, andto further influence the flow boundary layer in the working section ofthe wind tunnel for a broader range of Mach numbers.

"* -' 41 (Test form under revision)

DATA HANDLING PAGE

UbACCE.ON NO. 9WOOCUMENT LOC -TOPIC TAGS

TA7001587 hydraulics, heat exchanger

wGTITLE A DEVICE FOR PRESS-FITTING THE ENDS OF TUBE- F-YHEADING OUT

416SUWJECT AREA

20, 14

d4&AUTI.IOR 1 -AUs01 10-DATE OF INFO

IVKIN. y. v. 02JUL594&-SOURCE ES-DOCUMENT NO.

HT6700111(j)FPTENT 131325 (632817/2)) CLASS 7c, 'I (RUSSIAN) 110P-OJECT N__ _ __ _ __ _ __ _ __ _ __ _ __-__ _ __ _ _ _ __ _ __ 1705-706-SECURITY AND DOWNGRADING INFORMATION 64-CONTROL MARKINGS 97-HEADER CLASN

UNCL, 0 NONE UNCL

70-REEL/FRAME NO. 77-SUPERSEDES 78-CHANGES 40-GEOGRAPHICAL NO. O L PA, -S

AREA

1582 2074 UR 3CONTRACT NO. X 16F ACC. N<O. PUBLISHING DATE TYPE PRODUCT REVISION 'REQ

Translation None

"U I- ,t 0 ACCESSION NOTATOO1587

- U-0 50 ,00/=l/0002 7AISTRACT. Invention proposes a device for press-fitting the ends of tubesespecially heat exchanger tubes, into tube sheets by heading them outuith a reverse-tapered punch. The object-is to mechanize the operations.and eliminate preliminary hot inward heading. Device is made up of atapered spring-loaded chuck with a retaining spring collar pushed overit and bearing against the end of the working hydraulic cylinderhousing, with a reverse taper passing through the chuck and expandingit as it is pulled in attached to the free end of the piston rod. Acalibrated stopping device is installed on the slide-valve reverser ofthe working hydraulic cylinder by automating the pressure exerted bythe chuck on the inside wall of the tube.

SAPIC ,' 4 (Test form under revision)

DATA HANDLING PAGEOhACCESSION NO. 90-DOCUMENT LOC U-TOPIC TAGS

TA7001588 pressure measuring instrument, strainI I gage, pressure gage

09TEA MEMBRAN-TYPEPRESSURE-MEASURING DEVICE

47-SUU JECT AREA

14

42AUTNOR/CO-AUTHORS 10-DATE OF INFO

MAYZEL', M. B. 16JAN604ASSOURCE 66-DOCUMENT NO.

PATENT 131124 (651010/26) CLASS 42k, 1404; 74b, 2 HT67oii(kJEcTo

(RUSSIAN) 11705-7065-SECURITY AND DOWNGRADING INFORMATION 64-CONTROL MARKINGS 97-HEADER CLASN

UNCL, 0 NONE UNCL

"7S-REEL/FRAME NO. 77-SUPERSEDES 78-CHANGES 40-GEOGRAPHICAL NO. OF PAGESAREA

1882 2075 UR 3CONTRACT NO. X K? ACC. NO. PUBLISHING DATE TYPE PRODUCT REVISION FREO

Translation NoneACCESSION NO.

U 0 /000oo 00/000/000/000o/0002 TA7001588ABSTRACT : Invention proposes a membrane-type pressure-gauge devicecontaining foil strain gauges. In order to improve sensitivity, two ofits foil strain gauges are in the form of-concentric half rings andolaced at the center of the membrane. The other two strain gauges,w"'ose turns are oriented along radii, are placed in the zone of thelargest radial-stress values, i.e., near the mounting ring of themembrane.

AftC 0o- 4 (Test form und.er revision) ^v,€ (AO&We @

TABLE OF CONTENTS

Patent No. Title/Inventor(s) Page

182219 A Capacitive Pneumoelectric Alternating-CurrentGenerator. A. F. Golovko 1

182402 8 Ternary Logic Circuit. Yu. L. Ivas'kiy and A. S.II inykh 5

182407 An Analog-to-Digital Converter; D. Kh. Kisets andV. I. Ivanov 10

182766 A Relaxation Oscillator with an LC Resonant Circuit,I. V. Nezhdanov and V. S. Moin 14

182767 A Pulse Stretcher, Z. V. Magrachev, B. K. Tsygankov,"and V. Ya. Yegupov 17

182988 Pevice for Hermetic Joining of Two Pipes. Zh. P.Akhromeyev and V. I. Nyrkov 21

172400 • Laser Gyroscope with Quartz Resonator. M. S.glashchin and Ye. I. Kuz'min 2

171613 1Qevice for Simulation of Aerodynamic Load onComponents of an Aircraft. V. K. Pikalov, A. G.Gusev, et al. 26

169841 An Adjustable Wind-Tunnel Nozzle. V. I. Kuleshov,"V. V. Lyshinskiy, et al. 29

131325 A Device for Press-Fitting the Ends of Tubes by Head-ing Outý -V-V-4-vkin 32

131124 6 Membrane-Type Pressure-Measuring Device.M. B. Mayzel' N 35

FTD-HT-67-111

Union of Soviet Socialist Republics

USSR State Committee on Inventions and Discoveries

DESCRIPTION OF INVENTION TO AUTHOR'S CERTIFICATE NO. 182219

A CAPACITIVE PNEUMOELECTRIC ALTERNATING-CURRENT GENERATOR

(Yemkostnoy pnevmoelektricheskiy generator peremennogo toka)

Inventor A.F. Golovko

Applicant Rostov Higher Engineering Com-mand Academy named for ChiefMarshall of Artillery M.I.Nedelin

Classes 21d 2 , 5/01

MPK [International PatentCatalog] No. H 02n

UDC [Universal DecimalCatalog] No. 621.313.17(088.8)

Subordinated to Author's Cer-tificate No.

Date of Application 24 Jun 1965 (No. 1014691/26-25)With attached Declaration No. -

Priority

Published 25 May 1966 in Bulletin No. 11

Publication Date of Description 3 Aug 1966

Signature Group No.

Published in "Byulleten' izobre-tenly i tovarnykh znakov"[Bulletin of Inventions andTrademarks]

Pages in original 1-3

FTD-HT-67-111 (a)

A CAPACITIVE PNEUMOELECTRIC ALTERNATING-CURRENT GENERATOR

Conversion of the energy of compressed gases into electricitypresupposes the use of two separate converters: compressed-gas energyto mechanical energy and mechanical to electrical energy; this resultsin unsatisfactory transformation efficiency.

The generator proposed here, which represents a design combina-tion of the above converters, simplifies the construction, reduces thesize of the apparatus, and improves conversion efficiency. In It, en-ergy is generated by variation of the mutual capacitances of fixedplates and moving insulated belts, which execute a traveling-wave mo-tion when acted upon by gas impulses.

Figure 1 shows the design of the capacitive pneumoelpctric gen-erator; Fig. 2 shows the generator in section with the moving elementsin their working position; Fig. 3 is a graphical representation of thetime dependence of the mutual capacitances between the plates and thebelts; Fig. 4 shows the voltage of the capacitive generator as a func-tion of load resistance.

/. ,Jo Fig /.o 1 ;

II . -• J ' "

: C

Fig. 1

o F ( 2 I ¢

Fig. 2

FTD -HT- 67-111 (a)}

Fig. /n w, n

"0 V 4W W 7'X O

Fig. 4

The generator is a dielectric housing containing long rectangular-section passages formed by the walls 1 with the metallic plates a, b,c built into them and wall 2 with plates a', b', c', together with theFide walls 3.

An elastic belt 4 covered with a layer of high-strength dielec-tric and secured to the passages by means of the straps 5, which actsimultaneously as current leads, is placed within each passage.

The parts of the elastic belts projecting between the straps inthe form of the tongues 6 perform self-oscillations in the presence ofa gas flow.

This is accomplished by feeding the working gas alternately intothe chambers of the passages above and below the belts. As a result,the latter will execute their traveling-wave motion.

During displacement in one direction, the tongue angles of attackdo not change sign.

At the extreme positions, the angle is changed by meanz of thearc-shaped depressions 7. The vibrations of all tongues are synchro-nized by the mechanical couplers 8.

The undulating motion of the elastic belts gives rise to periodicvariation of the mutual capacitances between the fixed plates and theelastic belts (Fig. 3). To obtain electric power, it is necessary tosupply an excitation voltage to the elastic belts and to connect aload to the parallel-connected fixed plates.

When the length of the traveling wave is three times that of the

FTD-HT-67-111 (a) 3

fixed plates, the voltages across loads connected to plates a-a', b-b'and c-c' will be time-shifted by 1200, i.e., they form a three-phasesystem.

Object of Invention

1. Capacitive pneumoelectric alternating-current generator, inwhich the energy of compressed gases is converted into electricity by,mechanical variation of the mutual capacitances between separatE simi-larly charged parts of the machine, characterized by the fact that,with the purpose of improving the utilization of the compressed-gasenergy, it is made in the form of longitudinal rectangular-sectionchannels whose walls are fixed insulated plates, while the moving parttakes the form of insulated belts placed inside the passages and exe-cuting a traveling-wave motion under the action of gas impulses.

2. Generator according to point 1, characterized by tongue--typegas distributors mounted at the entries into the passages and perform-ing self-oscillations under the influence of aerodynamic forces.

Manu-script [Transliterated Symbols]PageNo.

2 H = n - nagruzka load

FTD-HT-67-111 (a) 4





(Troichnaya logicheskaya skhema)

Inventors Yu.L. Ivas'kiv and A.S.Ii' inykh

Applicant USSR Academy of SciencesInstitute of Cybernetics

Classes 42m, 14/02

MPK [International PatentCatalog] No. G 06f



Date of Application 06 Nov 1964 (No. 928192/26-24)With attached Declaration No.

Priority


Publication Date of Description 16 Jul 1966

Signature Group No.

Published in "Byulleten' izobre-teniy i tovarnykh znakov"[Bulletin of Inventions andTrademarks]


FTD-HT-67-111 (b)

tm s..........


Ternary logic circuits containing transistors with differenttypes of conductivity are krnown.

The circuit proposed here is distinguished by the fact that atristable threshold tunnel-diode pair is connected at its input.

This increases the reliability and logical potentialities of thesystem.

Figure 1 shows a circuit with three stable states; Fig. 2 showsthe volt-ampere characteristic of the tunnel-diode pair, which has thefollowing characteristic segments: AB, CD, DE and FG with positive re-sistances and BC and EF with negative resistances.

t4

zz, 2

2

Fig. 1

jb z v~~J AA,|...

.. . • r

• - .... @ -•,•,

A jLJul

Fig. 2

FTD)-HT-67-111 (6) 6

The circuit contains transistor 1 (p-n-p c nductivity) and tran-sistor 2 (n-p-n conductivity), resistances 3 and 4 in the collectorcircuits, the coupling resistances 5 and 6, and the two countercon-nected tunnel diodes 7 and 8.

The supply voltages are denoted by Ek and Ek.

The circait operates as follows.

As follows from the characteristic shown, the operation of thecircuit containing two tunnel diodes connected in series and opposedIs characterized by the following regimes:

Regime 1 is characterized by the fact that for values of the cur-rent through the tunnel diodes

"ýC I A.

the voltage (Ud) at point 9 of the circuit does not exceed the value

of UTDI, which is of the order of tens of millivolts, and varies in-

significantly with variation of ITD"

The characteristic segments CD and ED correspond to this regime.

Regime 2 is characterized by the fact that for values of the cur-rent through the tunnel diodes

IrA > IMA.

the operating point on the characteristic moves Jumpwise onto a seg-ment with positive resistance (FG if ITD > 0, and AB if ITD < 0).

In this case, the voltage Ud at point 9 is found to be larger

than UTD and is of the order of several hundred millivolts.

When a signal of the order of a few volts (which corresponds toactual operating uona_.-ns with semiconductor elements) is applied tothe circuit input, the voLtage UI > UTD is established at point 9, oneof the transistors (Ti or Tz) is blocked and the signal Uvykh is of

the order of a few volt-.

When signals whose magnitude is determined by the zero drift ofthe circuit output signal are applied at the circuit input, the volt-age Ud at point 9 is found to be such that Ud < UTD, and in this casethe signal at the circuit output has zero potential accurate to tenthsof a millivolt.

Thus, when circuits with three stable states, based on semicon-ductor devices with different conductivity types and containing a pairof tunnel diodes connected in series and opposed at the input are con-nected in series, no amplification of the signal resulting from zerodrift in one of the stages occurs in subsequent stages. 'ihis makes itpossible to construct circuits of practically any desired degree ofcomplexity.

FTD-HT-67-111 (b) 7

The zero-potential drift of a semiconductorized circuit usingdifferent conductivity types is determined by the specific conditionsof its op;.-n*ion: collector voltage instability, scatter of circuit-element parameters, and the influence of temperature. This magnitudedetermines the types of tunnel diodes selected. Here, the followingrequirements are laid down for their characteristics: the peak voltageUTD must exceed the drift of zero potential that is possible under the

circuit operating conditions in question.

The circuit proposed is simple and reliable, and can perform logi-cal operations that form a complete system of logical operations - in-verse AND and inverse OR.

For example, the high potential is denoted by "2," the low poten-tial by "l," and zero potential by "0."

If the amplitude of each of the input signals x, y ensures thecondition

we obtain4

x y OR

*0 2o 'I

o 20

2 0 12 2 1

If the condition (ITD)vkh > ITD 3 is satisfied by combined action

of the signals x, y, we obtain

c yOR2 22 0

S2 0o 1 0o 0 0o 2 0 ..2 1 02 0 03 2 1

Object of Invention

Ternary logic circuit built around transistors with differentconductivity types and grounded emitters, with a base-emitter junctionserving as its input, characterined by the fact that a network of twotunnel diodes connected in series and opposed is connected at its in-put.

FTD-HT-67-111 (b) 8

Manu-script [Transliterated Symbols]

PageNo.

1 = k lkollektor = collector

1TI = TD = tunnel'nyy diod = tunne- diode

1 - d = diod = diode

1 Bx w vykh = vykhod = output

3 BX = vkh = vkhod input

FTD-kLThe.,il! (o) 9


USSR State Committee on Inventions and DiscoveriesDESCRIPTION OF INVENTION TO AUTHOR'S CERTIFICATE NO. 182407

AN ANALOG-TO-DIGITAL CONVERTER

(Analogz-tsi!frcvoy preobrazovatel')

Inventors D.Kh. Kisets and V.I. IvanovApplicant

Classes 4 2m, 14/03

MPK [International PatentCatalog] No. G 06f



Date of Application 16 Dec 1964 (No. 933419/26-24)With attached Declaration No. -

Priority

Published 25 May 1966 ir. Bulletin No. 11


Signature Group No.



FTD-HT-67-111 (c) 10

AN ANALOG-TO-DIGITAL CONVERTER

Known analog-to-digital converters contain a nonlinear two-ter-minal network, for example, a diode or triode working with reversebias and bracketed by capacitance feedback.

Although they are highly precise, their circuits are complex. The

converter described here has a simpler circuit. Its accuracy is suffi-

cient for use as, for example, a telemetry-system unit. The convertermay be of either the vacuum-tube or transistor type. The circuit's op-eration is based on the use of a nonlinear semiconductor two-terminalnetwork working with a back-biased p-n junction on the segment of thevolt-ampere characteristic corresponding to negative resistance. Thecircuit uses an amplifier stage whose input is connected to the sourceof the voltage to be converted, while its output is connected to thecommon point of the capacitance and the nonlinear two-terminal network.

The drawing shows the schematic diagram of the converter (vacuum-tube version).

GRAPHIC NOT..3 REPRODUCIBLE

Electron tube 1 is connected as a linear amplifier. The dc voltageUvkh, whose magnitude is subject to conversion, is applied to the tube

grid. A rectangular pulse that provides for displacement of the diodeoperating point in the reverse direction and has a duration calibratedfor the maximum possible signal for conversion is applied to diode 2.The pulse amplitude U corresponds to the onset of generation (negative

resistance on the volt-ampere characteristic of the diode's back-biasedp-n junction). On simultaneous action of Uvkh and UVm, the first genera-

tion peak, which corresponds in time to the leading edge of the trig-gering pulse, Is shunted by capacitor 3. Then, shunting the tube loaaof the diode, the capacitance instantaneously shifts it to the heavy-

FTD-HT-o7-iii (c)

current regime. Since the resistance of the diode is small at thistime, capacitor 3 can charge within a very short time almost to thefull amplitude of the triggering pulse. Here a positive potential ap-pears on the plate connected to the diode and returns the diode intothe region of small voltages and currents. This is followed by dis-charge of capacitor 3 across the tube load. The discharge time is pro-portional to the tube resistance, which varies linearly as a functionof the input voltage Uvkh* The capacitor discharges to a voltage whose

difference from the triggering-pulse amplitude is capable of returningthe diode to the "heavy-current" mode. This process is repeated manytimes as long as there is a triggering pulse. The repetition frequencyand, consequently, the duration and number of output pulses are linearfunctions of the input-signal amplitude Li operation on the linear seg-ment of the plate-grid characteristic of the tube. Thus, the linearconversion formula may be written:

n-k = Uvkh,

where n is the number of pulses at the output; k is a coefficient ofproportionality.

Two outputs, 4 and 5, may be provided.

The pulse voltage amplitude at output 4 is almost equal to thetriggering amplitude Ur, while the current is determined by the tube

internal resistance and the load resistance into the signal currentoutput, which is characterized by a small voltage, but a large currentand short duration.

The resistance 7 in the circuit of capacitor 3 is made small whena semiconductor device of low capacity is used as the nonlinear two-terminal network.

Its rating is 0.1-10 ohms.

A diode may be replaced by a transistor, connected as a diode inaccordance with the high breakdown voltage.

It is preferable to use switching diodes or transistor junctionshaving high breakdown voltages as nonlinear two-terminal networks,since they are well-matched to the plate-supply regime of the electrontubes. The tube may be either a triode or a pentode.

Object of Invention

Analog-to-digital converter containing a nonlinear two-terminalnetwork, for example a diode or a triode connected as a diode, workingwith back bias and covered by capacitive feedback, characterixed bythe fact that, with the purpose of simplifying the device, a linearamplifier is used as the load of the nonlinear two-terminal network,with the amplifier input connected to the source of the voltage to beconverted, while its output is connected to the common point of thecapacitor and the nonlinear two-terminal network.

FTL-HT-67-111 (c) 12


1 BX = vkh = vkhod = input

I

I

I

FrD-HT-67-111 (c) !3




A RELAXATION OSCILLATOR WITH AN LC RESONANT CIRCUIT

(Relaksatsionnyy generator s rezonansnym LC-konturom)

Inventors I.V. Nezhdanov and V.S. Moin

Applicant

Classes 21al, 36/02

MPK [International PatentCatalog] No. H 03k

UDC [Universal DecimalCatalog] No. 621.373.431.2(088.8)


Date of Application 19 May 1964 (No. 900982/26-9)With attached Declaration No. -

Priority

Published 09 Jun 1966 in Bulletin No. 12


Signature Group No.



FTD-HT-67-111 (d) 14

A RELAXATION OSCILLATOR WITH AN LC RESONANT CIRCUIT

Relaxation oscillator circuits using an LC resonant network and athyristor (silicon controlled rectifier) are known. In these genera-tors, frequency stability is determined basically by the stability ofthe LC-network parameters. However, the presence of the diode in thecharging circuit renders the pulse repetition frequency somewhat un-stable due to the introduction of a nonthermostable nonlinear resist-ance into the circuit. Moreover, such a relaxation oscillator has poordependability because of the presence of the additional diode and theimpossibility of providing a standby for each thyristor element with-out incurring a substantial weight and bulk penalty in the apparatusas a whole. The presence of galvanic coupling through the thyristorinput circuit and its direct control of the circuit current render itimpossible in the general case to match the wave impedance of the cir-cuit to the impedance of the thyristor input circuit. This results indeterioration of the frequency stability of the relaxation oscillator.

The relaxation oscillator proposed here differs from the knowntypes in that a pulse transformer is used in it instead of the diodein the thyristor control circuit. This has made it possible to improvefrequency stability and increase the power of the generated pulses. Toimprove reliability, reserve thyristors are used, with their controlelectrodes connected to separate secondary windings of the pulse trans-former.

The schematic diagram of the subject relaxation oscillator isshown in Fig. 1; Fig. 2 shows the element-for-element backup thyristorsystem.

Fig. 1 Fig. 2

The oscillator works as follows.

When the dc voltage is applied, the resonance discharge processof capacitor 1 begins. When the voltage across the capacitor hasreached its maximum value, the capacitor's discharge process begins

FTD-HT-67-111 (d) - 15-

/I

across the power source and simultaneously a voltage is applied to theprimary of transformer 2 and, transformed into the secondary winding,tends to switch in thyristor 3. When the circuit current has increasedto a certain magnitude, the thyristor is switched in and the voltagefrom the capacitor is applied to pulse transformer 4, which is coupledwith the load. A high-frequency capacitor recharging process takesplace in the relaxer, and the corresponding pulses go into the load.The pulse width is determined by the capacitance of the capacitor, theload parameters, and the primary inductance of the pulse transformer.

After termination of the high-frequency capacitor recharging proc-ess, thyristor 3 is switched out and the capacitor begins to charge.

Since the frequency of the capacitor recharging process is far inexcess of the LC-circuit resonant frequency, the capacitor chargingprocess takes place for all practical purposes with zero initial con-ditions, and the pulse repetition rate depends only slightly on theload parameters.

Transformer 2 is made in the form of a peak transformer, and itsresistance in the capacitor-charging process is negligibly small. Thetransformation ratio of the device is selected on the basis of obtain-ing maximum relaxer stability.

ThM relaxation oscillator proposed here makes it possible to pro-vide element-for-element backups for the thyristors, for example, byusing the circuit shown in Fig. 2, and makes possible a considerableincrease in stability and in the power of the pulses generated.

The generator can be used in automatic systems and pulsed systemswhen it is necessary to obtain short powerful pulses at a high repeti-tion frequency and with high stability through variation of the ambientconditions affecting the oscillator.

Object of Invention

1. Relaxation oscillator with LC resonant circuit, containing athyristor, a diode and a pulse transformer, characterized by the factthat, with the purpose of improving frequency stability and increasinggenerated pulse power, the primary winding of the pulse transformer isconnected in series with the LC circuit, while its secondary windingis series-connected into the circuit of the thyristor control elec-trode.

2. Oscillator according to point 1, characterized by the factthat, in order to improve reliability, additional thyristors are used,with their control electrodes connected to separate secondary windingsof the pulse transformer.

FTD-HT-67-111 (d) 16




A PULSE STRETCHER

(Rasshiritel' impul'sov)

Inventors Z.V. Magrachev, B.K. Tsygankovand V.Ya. Yegupov

Applicant Electrical Instrument Works

1 14Classes 21aI, 36/04, 21a , 71

MPK [International PatentCatalog] No. H 03k

UDC [Universal DecimalCatalog] No. 621.374:621.317.795(088.8)


Date of Application 06 Sep 1965 (No. 1026237/26-9)With attached Declaration No. -

Priority



Signature Group No.



FTD-HT-67-111 (e) 17

A PULSE STRETCHER

Pulse stretchers for digital pulse-length meters containing aninput charging-current stabilizer are known. The stabilizer output isconnected to the plate of a diode between whose cathode and "ground"there is a storage capacitor, which is connected to the discharge-cur-rent stabilizer and the amplitude comparator. When the measurementranges are switched in these instruments, it is necessary, in order toobtain the same measurement error in all ranges, to change the chargingcurrent or the storage capacitor, with a simultaneous change in thefilling-pulse counting rate, i.e., the operating regime of the instru-ment must be changed.

The pulse stretcher proposed here differs from the known types inthat additional capacitors are included between the diode plate and"1ground" across the range switch. This makes It possible to maintainthe same instrument operating regime when the ranges of measurementare changed.

The drawing shows a block diagram of the proposed instrument.

V-t7,

F =1

The pulse to be measured is fed to the charging-current stabilizeri. During action of the pulse, the storage capacitor 2 is chargedacross the decoupling diode 3 by the stabilizer direct current. Theincrease in the voltage across the capacitor is proportional to theduration of the input pulse. At the end of the pulse to be measured,the diode closes and the capacitor is discharged slowly by the directcurrent of the discharge-current stabilizer 4. The discharge time isdirectly proportional to the voltage increment acquired by the capaci-tor and, consequently, to the duration of the pulse. At the beginning

FTD-HT-b7-t I (e) 18

F

of charging and the end of discharging of the capacitor, sharp-peakedpulses appear at the output of amplitude comparator 5 and are fed tothe sha-ing device 6, which puts out a rectangular pulse whose durationIs equal to the time interval between the sharp-peaked pulses.

The coefficient of pulse widening (the ratio of the duration ofthe pulse at the shaping-device output to the duration of the measuredpulse) is determined by the expression

K '

where I, is the capacitor charging current; 12 is the capacitor dis-charge current.

The width of the pulse taken from the output of unit 6 is measuredby the digital meter.

For measurements in another range of pulse duration, one of theadditional capacitors 8, 9, ... , n is connected across selector 7. Thecharging rate of capacitor 2 will then be reduced. At the end of theinput pulse, the additional capacitor discharges through the charging-current stabilizer and has no influence on the discharging process ofcapacitor 2.

Thus, the duration of the stretcher output pulse varies withinthe same limits in each of the ranges.

The pulse-widening coefficient is varied by varying the total ca-pacitance of the capacitors during the charging process. The wideningcoefficient is then determined by the expression

13 C.+ C,

where Cn is the storage-capacitor capacitance; Cd is the capacitance

of the additional capacitor.

The parameters of the other elements in the instrument remain un-

changed when the range of measurement is switched.

Object of Invention

Pulse stretcher for a digital pulse-width meter, containing aninput charging-current stabilizer to whose output is connected theplate of a diode between whose cathode and "grounu" a storage capacitoris inserted and connected to the discharge-current stabilizer and amp-litude comparator, characterized by the fact that, with the purpose ofensuring constancy of the instrument's operating mode when ranges ofmeasurement are switched, additional capacitors are connected betweenthe diode plate and "ground" through the range selector switch.

FTD-HT-67-111 (e) 19


2 H = n = nakopitel'nyy = storage

2 = d = dopolnitel'nyy = additional

FTD-HT-67-11 (e) 2




DEVICE FOR HERMETIC JOINING OP TWO PIPES

(Ustroystvo dlya germetichnogo soyedineniya dvukh truboprovodov)

Inventors Zh.P. Akhromeyev and V.I.

Nyrkov

Applicant

Classes 47f, 12

MPK [International PatentCatalog] No. F 061



Date of Application 27 May 1964 (No. 902066/25-8)

With attached Declaration No. -

Priority



Signature Group No.



FTD-HT-67-111 (f) 21

DEVICE FOR HERMETIC JOINING OF TWO PIPES

Devices for hermetic Joining of two pipes, made in the form ofend fittings mounted on the pipes and equipped with built-in spring-loaded gate valves to seal the pipes when they are disconnected andconnected by means of a captive nut.

To relieve the threaded joint of the internal-pressure forces,6he device described here is provided with a hermetic relieving cham-ber, which is located in one of the end fittings and bounded by acylinder coaxial with the fitting body ýnd by the gate-valve rod. Toensure tightness of the end fittings, W-shaped grooves with rubbervulcanized into them are made in the gate valves.

The device described Is shown in the drawing.

i~~i7 Il \ t t ' , ,II .

ILI

The device for hermetic connection of two pipes consists of theend fittings 1 and 2, which are secured to the pipe sections to bejoined, the gate valves 3 and 4, the hermetic chamber 5 in end fitt~ng1, and the captive nut 6 with sleeve 7, which is used in manual con-necting and disconnecting of the pipes.

In the disconnected state, the end fittings are closed by thegate valves, in which the knife rings 8 and 9 are pressed against therubber packings in grooves 10 and 11.

In its interaction with the knife ring, the W-groove presses tnerubber vulcanized into the groove and seals the connection. In auto-mati3 or manual connecting of the pipes, the two end fittings are cen-tered on one another along surface 12 of the projection 13 of fitting2 and the rod 14 of fitting 1. As the fittings move together, overcom-ing the resistance of spring 15 and the liquid in fitting 2, fitting 1shifts plunger 16 toward the right and fitting 2, overcoming the re-sistance of spring 17 and the liquid in fitting 1, moves rod 14 to theleft.

When joining of the pipes has been completed, sealing of thejoint is provided by the interaction of knife 18 with the packing in

FTM-RT-67-111 (J) 22

groove 11 and knife 19 with the packing in groove 10. The hermeticchamber 5 lowers the hydrostatic forces that tend to push fittings 1and 2 apart, by reducing the area acted upon by the fluid pressurewhen the pipelines are joined.

The device described here makes it possible to simplify the con-struction of hydraulic systems and improve their operating reliability,as well as to connect pipelines carrying working fluids under highpressures.

Object of Invention

1. Device for hermetic Joining of two pipelines, made in the formof end fittings secured to the pipelines, these fittings being pro-vided with built-in spring-loaded gate valves to close the pipelineswhen they are disconnected and connected with one another using a cap-tive nut, characterized by the fact, with the purpose of relieving thethreaded joint of internal pressure forces, the device is providedwith a hermetic relieving chamber in one of the end fittings, thischamber being bounded by a cylinder coaxial with the body of the fit-ting and by the gate-valve stem.

2. Device according to point 1, characterized by the fact thatwith the purpose of sealing the end fittings, W-shaped grooves withrubber vulcanized into them are made in the gate valves.

F

III

)

FTD-HT-67-111 (f) 23




A LASER GYROSCOPE WITH QUARTZ RESONATOR

(Lazernyy giroskop s kvartsevym rezonatorom)

Inventors M.S. Slashchin and Ye.I.Kuz 'min

Applicant

Classes 21f, 90, 42c, 3210

MPK [International PatentCatalog] No. H 03b, G 01c

UDC [Universal DecimalCatalog] No. 621.375.8:62-752.4(088.8)


Date of Application 23 Mar 1964 (No. 891000/26-25)With attached Declaration No. -

Priority



Signature Group No. 96



FTD-HT-67-111 (g) 24

A LASER GYROSCOPE WITH QUARTZ RESONATOR

In known laser gyroscopes, the construction of the resonatorsthat they incorporate has inadequate rigidity properties, and this im-poses limits on the sensitivity and stability of the gyroscopes.

The invention proposes a laser gyroscope in which rigidity is en-

sured by making the resonator of two joined quartz plates with quartzmirrors bonded onto them.

The drawing presents a diagram of a quartz laser gyroscope with asectional view through K-K.

-,a.

•X "

4

The lighit beam is reflected from mirrors A, B, C, D and passesalong cavity 1 of the resonator, which is formed from the two joinedquartz plates 2, 3. Holes 4 and 5 in the plates are for bonding in theelectrodes, evacuating air and filling the resonator volume with theworking gas.

Object of Invention

Quartz-resonator laser gyroscope, characterized by the fact that,in order to ensure rigidity of the laser gyroscope, the resonator isformed from two joined quartz plates with quartz mirrors bonded ontothem.

FTD-HT-bi-iiI (g) 25




DEVICE FOR SIMULATION OF AERODYNAMIC LOAD ON COMPONENTS OF AN AIRCRAFT

(Ustroystvo dlya imitatsii aerodinamicheskoy nagruzkina organy letatel'nogo apparata)

Inventors V.K. Pikalov, A.G. Gusev, V.D.Altukhov, M.A. Kulepov, V.I.Mamonov and N.V. Mukhin

Applicant USSR State Committee Organiza-tion on Aeronautical Engi-neering

Classes 42k, 21o0

MPK [International PatentCatalog] No. G Olm

UDC [Universal DecimalCatalog] No. 620.178(088.8)


Date of Application 16 Jul 1964 (No. 912266/40-23)With attached Declaration Yo. -

Priority






FTD-HT-67-111 (h) 26

DEVICE FOR SIMULATION OF AERODYNAMIC LOAD ON COMPONENTS OF AN AIRCRAFT

Rubber cables with one end attached to the test object and theother to a stationary part of the scaffolding and rope systems inwhich one end of the rope is secured to the test object, while theother is thrown over a fixed pulley and connected to a counterweightblock or a hydraulic power cylinder, are used to simulate aerodynamicloads on landing-gear doors, struts, etc., in static testing.

Apart from being cumbersome, such systems have an essential short-coming: the arm at which the applied force acts varies over the travelof the object being tested, and this makes it impossible to use thesesystems to test objects with large deflection angles; it also requirescomplex systems to satisfy the necessary law of force variation overthe object's travel.

The invention proposes a device for simulation of aerodynamicload on elements of an aircraft such as landing gear doors and struts,etc., in the course of static testing. The device consists of a framewith drums and suspension elements and a loading system with a cylin-der, beam, ropes and straps. The axis of the frame suspension elementscoincides with the rotation axis of the object being tested. The frameof the loading-strap system is attached to the test object, and thecables run over drums to the beam and loading cylinder.

The drawing presents a schematic diagram of the apparatus.

The drums 2 and ropes 3 are rigidly attached to frame 1. Theother ends of the ropes are secured to beam 4, to which the loadingcylinder 5 is attached. The test object 7 and its lower-retract device8 are loaded from the frame through the system of loading straps 6.The rotation axis of the frame coincides with that of the test object.

Bracket 9, which has several holes for connection to the leversystem and straps, is provided on the frame to improve standardizationand to provide for the necessary direction of the aerodynamic forcebeing simulated. Multigroove drums with various diameters can bemounted on the frame.

The arm h at which the simulated aerodynamic force is applied re-mains constant as the test object is rotated; hence it becomes pos-sible to produce any law of variation of the aerodynamic load on thetest object.

Object of Invention

Device for simulation of aerodynamic load on components of anaircraft, usually control surfaces, ailerons, and landing gear doors,incorporating a frame with drums and suspension assemblies and a load-

FTD-HT-67-111 (h) 27

ing system with a cylinder, beam, ropes and straps, charaoterize4 by

the fact that, with the purpose of loading test objects that defect

through large angles and simplifying adjustment of the simulated forceapplied, the axis of the frame suspension units is placed in coinci-dence with the rotation axis of the test object, with the frame con-

nected by a system of loading straps and the test object and ropes via

drums to the beam and loading cylinder.

Seen from A

- .. .. . --_- -_.

". " V "\ ' ':

3,

99

GP NOTREPRODUCIBLE

FTD-HT-67-111 (h) 28


IJSSR State Coimmittee on Inventions and Discoveries

L)E& [IPTION D0 "::VENTION TO AUTHOR'S CERTIFICATE NO. 169841

AN ADJUSTABLE WITND-TU•IuiEL. TINZZLE

(Reguliruyenoýy z scq 1c dll'a aerodinamicheskikh trub)

inventors V.I. Kuieshov, !.V. Lychinskiy,S.M. Maksimov and V.K.

Solodkin

Applicant USSR State Committee Organiza-tion on Aeronautical Engi-neering

Classes 42k, 20

MPK [International PatentCatalog] No. G 02m

UDC [Universal D-cimalCatalog] No. 620.178(088.8)

Subordinated to Author's Cer-tificate N4o.

Date of Application 26 Feb 1964 ('Co. 884785/40-23)With attached Declaration No. -

Priority

Published 17 Mar 1965 in Bulletin No. 7

Publication Date Df* Decrlpti-n 14 Jun 1965


Published in "Byutleten' izoore-tenly i tovarr.yzh znakov"[Bulletin of Inventions andTrademarks]


FTD-HT-67-111 (.) 29

AN ADJUSTABLE W! - NOZZLE

Known adjustable wind-tunnel nozzles with a rigid inlet sectionthat traverses under the action of two crives and a flexible outlotsection that forms the curvili:L,.av irt Df the nozzle with the ad ;;two or three drives are capabl., of ,iel ',!ring satisfactory working-fluid flow uniformity only In 'i':rro-: au.ie of Mach numbers (M 'as C!= ±0.2-0.3). This result cannot c ttý•,ined over a broader rai-,, rfMach numbers (from subsonic to ' = 3.•-4) because the contour o,'supersonic nozzle consists of t,.o 'r, -n the flexible outlet sevt*a curvilinear part with nonzer" c:. ,e and a rectilinear r art :h,.length is a function of Mach nuwt.oe - viously, it is imposs'.le tcbend the plate with 2 or 3 drivr in ,zui h a way that the rad-us ci'curvature and, consequently, t ; •endlr,- moment will be zerc on onepart of it and nonzero on anot: ý art.

The essence of the invention conz.ists in the fact that the pro-posed adjustable nozzle, which incorpcrates a rigid plate on which thl'flexible section of the adjustable nozzle bears and by means of whicha rectilinear profile section is formd in the terminal outlet n'•rt fthe nozzle, makes it possible to •bta-i{ a more uniform velocity i. -

number) field and, further, to account 4cr the influence of tt.e 'lowboundary layer in the working sfction of the wind tunnel for a bro-.j8rrange of Mach numbers.

The nozzle profile in the vertical plane of the section 's formedwith the aid of five drives mounted on the rigid surface of the windtunnel, whose rigid inlet section is hinged to one drive and bearsagainst the hinged receptacle in the otner drive. The flexible outletsection is hinged to two drives and rigidly connected to another. Theend of the flexible outlet section of the nozzle is rigidly attachedto a support plate, the end of which is joined to the rigid surface ofthe wind tunnel in such a way that it can move about the horizontalaxis. The support plate provides a rectilinear section at the end ofthe flexible part of the nozzle either parallel or at an angle to thewind-tunnel axis by means of one Jrive, and curvature of the initialsection of the flexible nozzle part i.- provided with two drives.

The essentials of the invention are illustrated by the drawing,which shows the adjustable wind-tunnel nozzle.

The nozzle consists of the rizid Inlet section 1 with drives 2and 3, and the flexible outlet section 4 with drives 5, 6 and 7. Thepart of the flexible outlet section whose curvature mus: be zero, bearsagainst the rigid plate 8, which is mounted on the tunn.:- housing 9 insuch a way that corrections can be Introduced for the thickness of theboundary layer in both subsoni•c and supersonic work with the nozzle.This is brourht about by turniin, the rir'd plate on axle 10.

FTD-HT-67-111 (1) it

LLbI

C u4 J •.._ *.*. k/ " - .. . : ,

______ *\.,-.--,--,--S2..___-__.. -, -'..-- ---- -

7 -

Object of Invention

Adjustable nozzle for wind tunnels with rigid inlet and flexibleoutlet sections, characterized by the fact that, with the purpose ofobtaining a more uniform Mach-number field with correction for bound-ary-layer thickness, it incorporates a rigid plate to form the recti-linear section of the flexible wall and its supports.


1 pac,- = rasch = raschetnyy = design(ed)

FTD-HT-67-111 (1) 31

.nion of Soviet Socialist Republics

USSR State oommittee on Inventions and Discoveries

DESCRIPTTCN VUn,,TITON TO AUTHOR'S CERTIFICATE NO. 101325

A DEVICE FOR PRESS-FITTTI'73 THE ENDS OF TUBES BY HEADING OUT

(Ustroystvo dlya opreszovki kontsov .ruLuok putem vysadki ikh naruzhu)

Inventor V.V. Ivkin

Applicant

C, . 7c, 21

M> [International Pate-itCatalop ] No.

UDC ['•irversal DecimalCatal,-,] No.

Subordinated to Author's Cer-tificate• No.

Date of Application 02 jul 1959 (No. 632817/29)

With attac!.,-d Declaration No. -

Priority

Pub lished

Published Date of Description -


Published I-, "Byulleten' izobre-teniy i tovarnykh znakov"LBulletin of Inventions and.rad,.'ar;s] No. 17, 1960


FTD-HT-67- 111 (j) 32

'/

A DEVICE FOR PRESS-FITTING THE ENDS OF TUBES BY HEADING OUT

Various methods, and the corresponding devices, are known forpress-fitting the ends of tubes into tube sheets, usually of heat ex-changers, including devices with reverse-tapered punches.

However, all known devices and fixtures are subject to one ormore disadvantages: the use of considerable manual work, inadequateproductivity, the necessity of preheating the ends of the tubes andheading them in, inadequate reliability of the press fit, and so forth.

The device proposed here eliminates these shortcomings and pro-vides for mechanization of most processes involved in press-fittingthe tube ends.

Installation of a calibrated stop on the working-cylinder slide-valve reverser makes it possible to automate control of the pressureon the inside walls of the tubes as a function of wall thickness andtube quality.

The device consists of a spring taper chuck with a loaded limiterring pushed on over it. A reverse-tapered rod coupled to the rod ofthe working hydraulic cylinder is placed in the chuck.

-- / , J ,-. .7.

The drawing presents the general appearance of the device de-scribed. The extra-long six-jaw chuck 1, which has a tapered internalsurface, is placed in the front cover 2 of the working hydraulic cylin-der 3 and secured by nut 4. The outer cylindrical surface of the chuckhas a shoulder A whose face surfaces move between contact with nut 4on one side and, on the other, with the face surface of the loaded re-tainer ring 5, which is slipped on over the chuck and keeps it com-pressed at all times.

As the hydraulic cylinder rod 6 moves to the right, the taperedrod 7, which is rigidly connected to the cylinder rod, moves in thesame direction, thus expanding the chuck. The chuck, in turn, expandsthe tube 8 and press-fits it to the surface of the hole in the tube

FTD-HT-67-111 (1) 33

sheet 9.

The chuck is held in position by its shoulder A, which bearsagainst nut 4 and the projection face of the cylinder front cover.

To regulate the pressure of the chuck on the inside surface ofthe tube, the slide-valve reverser of the hydraulic cylinder is fittedwith a calibrated stopping device that automatically changes the pis-ton's direction of motion and hence that of the rod and taper.

When the tapered rod has reached its extreme left-hand position,the chuck, compressed by spring collar 5, is pulled easily out of thetube as the entire device is retracted to the right.

The device described here ensures constant strength and tightnessof the fit over the entire depth, and also raises labor productivityconsiderably.

Object of Invention

1. Device for press-fitting the ends of tubes, especially heat-exchanger tubes, into the tube sheets by heading them out with a re-verse-tapered punch, characterized by the fact that, with the objectof mechanizing the operations and eliminating preliminary hot inwardheading, It is made in the form of a tapered spring-loaded chuck witha retaining sprirfg collar pushed over it and bearing against the endof the working hydraulic cylinder housing, with a reverse taper passingthrough the chuck and expanding it as it is pulled in attached to thefree end of the piston rod.

2. Device according to point 1, characterized by the fact that,with the object of automating the pressure exerted by the chuck on -.,heinside wall of the tube, P c-alibrated stopping device is installed Gnthe slide-valve reverser f the working hydraulic cylinder.

FTD-HT-67-111 (J) 34




A MEMBRANE-TYPE PRESSURE-MEASURING DEVICE

(Ustroystvo dlya izmereniya davleniya membrannogo tipa)

Inventor M.B. Mayzel'

Applicant

Classes 42k, 1404, 74b, 2

MPK [International PatentCatalog] No.

UDC [Universal DecimalCatalog] No.


Date Af Application 16 Jan 1960 (No. 651010/26)With attached Declaration No. -

Priority

Published

Publication Date of Description -

Signature Group No. 172 and 255

Published in "Byulleten' i7obre-teniy i tovarnykh znakov"[Bulletin of Inventions andTrademarks] No. 16, 1960


FTD-HT-67-111 (k) 35

A MEMBRANE-TYPE PRESSURE-MEASURING DEVICE

Wire and foil strain gauges bonded to a membrane are used tomeasure pressures. The sensitivity of such pressure gauges is usu.allydetermined experimentally, by calibration.

With the purpose of increasing the sensitivity of membrane-typepressure gauges and devising a simple method for calculating it, thedevice proposed here consists of four strain-gauge foils and is de-signed for bonding to a flat round membrane. Two of the transducersare placed in the center of the membrane, in the region of the largestpositive tangential-stress values. The turns of these strain gaugesare given the form of concentric semicircles. These transducers aresensitive to tangential deformations. The two other transducers areplaced near the mounting rim of the membrane, in the region where theradial deformations have their largest negative values, and theirturns are oriented along radii. The transducers are placed in thezones in which the variation of stresses on the surface of the mem-brane may be regarded in approximation as linear along its radius. Inthe zone of small values and sign change of the tangential and radialstresses (0.5 < i < 0.8), there are no strain-gauge transducers (i isthe ratio of the current radius of the membrane to the largest radius).

The device proposed permits sensitivity calculations for the pres-sure gauge on the basis of the well-known formulas for the design ofbridge circuits and the functional relationships for determining thetangential and radial stresses on the membrane surface.

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The drawing shows the proposed configuration of the device on anenlarged scale.

It has been established by experiment that the device has a sen-

sitivity three times that of wire strain-gauge bridges.

Object of Invention

Membrane-type pressure-gauge device containing foil strain gauges,characterized by the fact that, in order to improve sensitivity, twoof its foil strain gauges are made in the form of concentric halfrings and placed at the center of the membrane, while two other straingauges, whose turns are oriented along radii, are placed in the zoneof the largest negative radial-stress values, i.e., near the mountingring of the membrane.

FTD-HT-67-111 (k) 37

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