H - Electricity – 01 – M
Patent
H - Electricity
01
M
230/18, 319/2
H01M 8/04 (2006.01) F01P 1/00 (2006.01)
Patent
CA 1206197
ABSTRACT OF THE DISCLOSURE The present invention relates to an apparatus and method for maintaining motors at low operating temperatures. In particular, the present invention is directed to a method and apparatus for maintaining motors at low temperatures during recirculation of hot fuel cell gases or gases utilized in other chemical processes. The specification provides an apparatus for maintaining the tempera- ture of a motor below the temperature of a primary gas flowing past the motor comprising: means defining a duct for flowing a primary gas at a first temperature, a blower including a pro- peller in said duct for drawing the primary gas along said duct, a motor coupled to said blower propeller for driving said blower propeller, means for flowing a secondary gas at a temperature lower than the temperature of the primary gas about said motor, and means for separating the primary and secondary gases one from the other to preclude substantial heat transfer between said motor and the primary gas. A gas cooled fuel system is also disclosed including a fuel cell, a heat exchanger and an apparatus as set out above.
433504
Farooque Mohammad
Maru Hansraj C.
Energy Research Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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