Internal thermal management for motor driven machinery
First Claim
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1. A motor driven assembly comprising:
- a motor having a motor inlet, a motor outlet, a shaft, and a rotor spaced radially outwards from said shaft;
a cooling flow passage located radially outward from said shaft and radially inward from an inner surface of said rotor that fluidly connects said motor inlet and said motor outlet, wherein said cooling flow passage includes a cooling flow passage inlet located at a first end of said rotor and a cooling flow passage outlet located at a second end of said rotor; and
a compressor in direct fluid communication with said motor outlet, said compressor having a compressor outlet in fluid communication with said motor inlet; and
a heat exchanger outside of said motor and in fluid receiving communication with said compressor outlet.
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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.
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Citations
18 Claims
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1. A motor driven assembly comprising:
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a motor having a motor inlet, a motor outlet, a shaft, and a rotor spaced radially outwards from said shaft; a cooling flow passage located radially outward from said shaft and radially inward from an inner surface of said rotor that fluidly connects said motor inlet and said motor outlet, wherein said cooling flow passage includes a cooling flow passage inlet located at a first end of said rotor and a cooling flow passage outlet located at a second end of said rotor; and a compressor in direct fluid communication with said motor outlet, said compressor having a compressor outlet in fluid communication with said motor inlet; and a heat exchanger outside of said motor and in fluid receiving communication with said compressor outlet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A motor driven assembly comprising:
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a motor having a motor inlet, a motor outlet, a shaft, and a rotor spaced radially outwards from said shaft; a cooling flow passage between said shaft and said rotor that fluidly connects said motor inlet and said motor outlet for accepting cooling air; a compressor in direct fluid communication with said motor outlet, said compressor having a compressor outlet in fluid communication with said motor inlet; and a heat exchanger outside of said motor and in fluid receiving communication with said compressor outlet. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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Specification