Electric vehicle coolant pump assembly

Details Electric vehicle coolant pump assembly Electric vehicle coolant pump assembly

1994-06-10

1996-06-25

Gluck, Richard E.

Heat exchange

With vehicle feature

16510433, F28D 1500

Patent

active

055291147

ABSTRACT:
A coolant pump assembly for an electric vehicle includes a positive displacement pump having an inlet port, an outlet port, and a rotor, a variable-speed ac motor having a rotatable shaft mated with the rotor of the pump for rotating the rotor of the pump to circulate coolant through the inlet and outlet ports of the pump, and a motor control unit, communicating with a DC power source of the electric vehicle, for controlling the speed of the motor to provide a variable coolant flow through the electric vehicle.

REFERENCES:
patent: 5052472 (1991-10-01), Takahashi et al.
patent: 5103897 (1992-04-01), Cullimore
patent: 5117898 (1992-06-01), Light et al.
patent: 5348076 (1994-09-01), Asakawa
patent: 5375650 (1994-12-01), Mizuno

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