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US 2013/0239578 A1Published application
Internal thermal management for motor driven machinery
AssigneeHamilton Sundstrand Corporation
InventorsDaniel M. Saban, Laurence D. Vanek, Debabrata Pal
Life of this patent
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Abstract
A motor driven assembly includes a motor having a motor inlet and a motor outlet, a shaft, and a rotor spaced radially outwards from the shaft. A cooling flow passage is located between the shaft and the rotor. The cooling flow passage fluidly connects the motor inlet and the motor outlet. A compressor is in fluid communication with the motor outlet. The compressor includes a compressor outlet that is in fluid communication with the motor inlet.
Claims17
A method of cooling a motor driven assembly, comprising:
- (1) circulating a first fluid through a first cooling flow passage between a motor shaft and a motor rotor of a motor;
- and
- (2) circulating a second fluid through a second cooling flow passage in the motor.
Dependencies are inferred from the claim text.