System for controlling coolant temperature of internal combustio

Details System for controlling coolant temperature of internal combustio System for controlling coolant temperature of internal combustio

1984-06-06

1985-10-08

Cuchlinski, Jr., William A.

Internal-combustion engines

Cooling

Automatic coolant flow control

123 411, F01P 716

Patent

active

045453330

ABSTRACT:
A system for controlling a coolant temperature of an internal combustion engine comprises means for detecting operating condition of an engine, means for setting a different target coolant temperature for the detected operating condition, a flow control valve disposed in a coolant recirculating passage, and means for effecting a feedback control of opening degree of said flow control valve in such a manner as to adjust the actual coolant temperature toward the target coolant temperature.

REFERENCES:
patent: 4381736 (1983-05-01), Hirayama
patent: 4399776 (1983-08-01), Shikata
patent: 4484541 (1984-11-01), Yokoyama

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