June 2013 Performance Report RM Education Stoke BSF and Stoke CIS.
Transportation Technology Engine Operation: 4 Stoke Cycle C. Stemmler 4 Four Stroke Engine.
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Transcript of Transportation Technology Engine Operation: 4 Stoke Cycle C. Stemmler 4 Four Stroke Engine.
![Page 1: Transportation Technology Engine Operation: 4 Stoke Cycle C. Stemmler 4 Four Stroke Engine.](https://reader035.fdocuments.in/reader035/viewer/2022081506/56649e5f5503460f94b59ee4/html5/thumbnails/1.jpg)
Transportation Technology
Engine Operation:4 Stoke Cycle
C. Stemmler
4 Four Stroke Engine
![Page 2: Transportation Technology Engine Operation: 4 Stoke Cycle C. Stemmler 4 Four Stroke Engine.](https://reader035.fdocuments.in/reader035/viewer/2022081506/56649e5f5503460f94b59ee4/html5/thumbnails/2.jpg)
4 Stroke Cycle
“cycle” is considered to be a repetitive series of operations
4 Stroke - requires the piston to move four times--up then down--four times to complete one cycle (two revolutions of the crankshaft)
most automotive & diesel truck engines are 4 stroke engines--due to emission laws
![Page 3: Transportation Technology Engine Operation: 4 Stoke Cycle C. Stemmler 4 Four Stroke Engine.](https://reader035.fdocuments.in/reader035/viewer/2022081506/56649e5f5503460f94b59ee4/html5/thumbnails/3.jpg)
4 Stroke Cycle -- Intake Stroke
Piston Direction downTDC to BDC
Intake Valve open
Exhaust valve closed
Movement of gases enters cylinder
Pressure 14 hg. of vacuum
Intake valve
![Page 4: Transportation Technology Engine Operation: 4 Stoke Cycle C. Stemmler 4 Four Stroke Engine.](https://reader035.fdocuments.in/reader035/viewer/2022081506/56649e5f5503460f94b59ee4/html5/thumbnails/4.jpg)
Compression Stroke
Piston Direction UpBDC to TDC
Intake Valve closed
Exhaust valve closed
Movement of gases squeezed Pressure 120 to 150
psi
Exhaust valve
![Page 5: Transportation Technology Engine Operation: 4 Stoke Cycle C. Stemmler 4 Four Stroke Engine.](https://reader035.fdocuments.in/reader035/viewer/2022081506/56649e5f5503460f94b59ee4/html5/thumbnails/5.jpg)
Power Stroke
Piston Direction DownTDC to BDC
Intake Valve closed
Exhaust valve closed
Movement of gases rapid expansion
Pressure 800 to 1000 psi
![Page 6: Transportation Technology Engine Operation: 4 Stoke Cycle C. Stemmler 4 Four Stroke Engine.](https://reader035.fdocuments.in/reader035/viewer/2022081506/56649e5f5503460f94b59ee4/html5/thumbnails/6.jpg)
Exhaust Stroke
Piston Direction UpBDC to TDC
Intake Valve closed
Exhaust valve open
Movement of gases expelled or pushed out
Pressure 20 to 30 psi
![Page 7: Transportation Technology Engine Operation: 4 Stoke Cycle C. Stemmler 4 Four Stroke Engine.](https://reader035.fdocuments.in/reader035/viewer/2022081506/56649e5f5503460f94b59ee4/html5/thumbnails/7.jpg)
The camshaft turns in one complete cycle - which is degrees of crankshaft rotation.
The crankshaft turns degrees during one stroke.
There are crankshaft revolutions in one cycle - which is degrees of crankshaft rotation rotation.
4 Stroke Cycle - Complete
two720
180
once720