Cooling system for an internal combustion engine, particularly f

Details Cooling system for an internal combustion engine, particularly f Cooling system for an internal combustion engine, particularly f

1998-09-10

1999-11-02

Kamen, Noah P.

Internal-combustion engines

Cooling

Interrelated coolant flow and throttle control

123 4102, 123 4108, 123 4109, 123 4144, F01P 700

Patent

active

059750316

ABSTRACT:
The system includes a hydraulic circuit for supplying a flow of coolant to the engine, comprising a circulation pump, a radiator connected to the engine, a by-pass duct parallel to the radiator, and a regulating valve capable of adjusting the ratio of the flows of liquid supplied to the engine through the by-pass duct and the radiator respectively. The output of the circulation pump varies as a function of a control signal. A sensor provides signals indicating the temperature of the liquid flowing through a predetermined zone of the engine or the hydraulic circuit. An electronic unit connected to the sensor controls the pump such that the output of this latter varies depending on the temperature detected by the sensor. The regulating valve modifies the ratio of the aforesaid flows of liquid as the output of the pump varies.

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