Vehicle drive device

Details Vehicle drive device Vehicle drive device

2007-10-01

2010-12-14

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C903S906000, C903S909000, C318S139000, C318S245000

Reexamination Certificate

active

07851954

ABSTRACT:
A vehicle drive device includes a motor generator (MG2), a power control unit controlling the motor generator (MG2), and a case housing the motor generator (MG2) and the power control unit. The power control unit includes a first inverter driving the motor generator (MG2) and a voltage converter boosting a power supply voltage to apply the voltage to the first inverter. A reactor L1which is a component of the voltage converter is disposed such that at least a portion of a core comes into contact with the case for heat exchange. Consequently, the heat is dissipated to the case having a large heat capacity for integral housing, to thereby allow the heat dissipation performance of the reactor (L1) arranged in the limited space to be ensured.

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Hideki Hisada, et al., “AISIN AM New Full Hybrid Transmission for FWD Vehicles”, SAE Technical Paper Series, 2005, SAE International, Detroit, Michigan.

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