Engine coolant system and method of making the same

Details Engine coolant system and method of making the same Engine coolant system and method of making the same

1989-05-12

1990-01-23

Tapolcai, William E.

Automatic temperature and humidity regulation

Cooling radiator

Bypass

25112902, 251272, F61P 702

Patent

active

048953016

ABSTRACT:
A vehicle engine coolant system and method of making the same are provided, the system having a valve construction comprising a housing provided with an inlet interconnected to the block of the internal combustion engine of the vehicle and an outlet interconnected to the radiator of the engine and being separated from the inlet by a valve seat, a movable valve member carried by the housing for opening and closing the valve seat, and an electrically operated stepper motor carried by the housing and being operatively interconnected to the valve member for positioning the valve member relative to the valve seat.

REFERENCES:
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patent: 4523435 (1985-06-01), Lord
patent: 4595081 (1986-06-01), Parsons
patent: 4650159 (1987-03-01), Schimamura
patent: 4723754 (1988-02-01), Tormoto et al.
patent: 4742989 (1988-05-01), Akagi
patent: 4815699 (1989-03-01), Mueller
patent: 4825840 (1989-05-01), Hewette et al.

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