1 Liquid-cooled Heavy-duty Motors Description Liquid-cooled Heavy-duty Coreless Motors.
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1 Liquid-cooled Heavy-duty Motors Description Liquid-cooled Heavy-duty Coreless Motors
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Transcript of 1 Liquid-cooled Heavy-duty Motors Description Liquid-cooled Heavy-duty Coreless Motors.
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Liquid-cooled Heavy-duty MotorsDescription
Liquid-cooled Heavy-duty Coreless Motors
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Liquid-cooled Heavy-duty MotorsDescription
Classification: Classification: Brushless Brushless
Disk-shaped Disk-shaped
Axial field Axial field
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Liquid-cooled Heavy-duty MotorsDescription
Principle StructurePrinciple Structure
coils
m agnets
Yoke
structure
m agnetic flux
currents
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Liquid-cooled Heavy-duty MotorsDescription
Permanent MagnetNd FeB or Ferrite
Winding
Yoke
Implemented 3-Module StructureImplemented 3-Module Structure
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Liquid-cooled Heavy-duty MotorsDescription
3-Module Motor3-Module Motor (25 kW peak x 3)(25 kW peak x 3) 3-Module Motor3-Module Motor (25 kW peak x 3)(25 kW peak x 3)
L-sideend rotor
Pin-typeconnectors
interposed rotor
stator module
R-sideend rotor
stator module
stator module
interposed rotor
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Liquid-cooled Heavy-duty MotorsDescription
1-Module Motor - 1-Module Motor - general viewgeneral view 1-Module Motor - 1-Module Motor - general viewgeneral view
Right Shield
Left Shield
Fastening rods
Shaft
Main mounting threaded holes
Right Channel Ring
Left Channel Ring
Optional mounting threaded holes
Wire outlets
Stator
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Liquid-cooled Heavy-duty MotorsDescription
1-Module Motor 1-Module Motor - exploded view- exploded view 1-Module Motor 1-Module Motor - exploded view- exploded view
Shaft
Right Shield
Left Shield
Wire outlets
Right Channel Ring
Left Channel Ring
Stator
Left Rotor
Left Bearing Cover
Fastening nuts
Fastening rodsFastening nuts
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Liquid-cooled Heavy-duty MotorsDescription
1-Module Motor - 1-Module Motor - cut-away viewcut-away view 1-Module Motor - 1-Module Motor - cut-away viewcut-away viewStator
Place for coils
Shaft
Input nipples
Outlet nipples
Right Rotor DiskLeft Rotor Disk
Left bearing
Right bearing
Outlet chamber
Inlet chamber
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Liquid-cooled Heavy-duty MotorsDescription
Cooling System– Liquid Coolant: DexCool ElectraCool:» Prediluted 50/50 Anti-Freeze/Coolant (ethylene glycol)
» Boiling protection: 129°C (265°F)
» Freezing protection: -37°C (-34°F)
– Volumetric flow rate: 5 Gallon/min– Inlet fluid temperature:»Maximum: 80°C (176°F)
»Minimum: -18°C (0°F) / -40°C (-40°F)
– Maximal pressure drop: 1.0 lb/in²
Cooling System– Liquid Coolant: DexCool ElectraCool:» Prediluted 50/50 Anti-Freeze/Coolant (ethylene glycol)
» Boiling protection: 129°C (265°F)
» Freezing protection: -37°C (-34°F)
– Volumetric flow rate: 5 Gallon/min– Inlet fluid temperature:»Maximum: 80°C (176°F)
»Minimum: -18°C (0°F) / -40°C (-40°F)
– Maximal pressure drop: 1.0 lb/in²
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Liquid-cooled Heavy-duty MotorsDescription
3-Module - 3-Module - Cooling SystemCooling System 3-Module - 3-Module - Cooling SystemCooling System
Cooling liquid inlet
Cooling liquid outlets
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Liquid-cooled Heavy-duty MotorsDescription
3-Module - 3-Module - Cooling SystemCooling System 3-Module - 3-Module - Cooling SystemCooling System
First Stator Last Stator
Inlet
Outlet
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Liquid-cooled Heavy-duty MotorsDescription
PrototypesPrototypes
1-Module Motor
(25 kW, 10,500 rpm,
OD=260 mm) 1-Module Motor + 75 kW gear-box on test bench
Motor Gear - box
