Cooling device of electric motor for vehicle

Details Cooling device of electric motor for vehicle Cooling device of electric motor for vehicle

2006-04-14

2010-10-19

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

07816823

ABSTRACT:
A cooling device of an electric motor for a vehicle for receiving cooling air into the electric motor through a suction port according to the rotation of a rotor shaft on which a rotor core, which is disposed opposite to a stator core, is installed. The cooling device includes an air volume regulating mechanism regulating a cooling air volume received therein through the suction port according to an ambient temperature. Since the cooling air volume received in the cooling device through the suction port is regulated according to the ambient temperature, the cooling of the electric motor can be optimized, and noise generated can be efficiently reduced according to the ambient temperature.

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Form PCT/ISA/210 (International Search Report) dated Jul. 18, 2006.

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