Liquid-cooled drive unit for an electric motor vehicle

Details Liquid-cooled drive unit for an electric motor vehicle Liquid-cooled drive unit for an electric motor vehicle

1994-05-27

1996-12-17

LaBalle, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68R, H02K 1100, H02K 919

Patent

active

055856810

ABSTRACT:
A drive unit for an electric motor car comprises an electric motor attached to a transmission unit, a housing for the electric motor, a control housing within which are electronic controls for the electric motor, and a cooling circuit having a cooling liquid flowing therethrough. The control housing has a bottom which is located on top of the motor housing. The cooling circuit has a first portion which cools the bottom of the control housing, and a second portion which cools the motor housing. The first and second portions of the cooling circuit are connected in series so that the cooling liquid can first cool the bottom of the control housing and then the motor housing.

REFERENCES:
patent: 3733503 (1973-05-01), Potter
patent: 5331239 (1994-07-01), Kwun et al.
patent: 5491370 (1996-02-01), Schneider et al.

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