Internal-combustion engines – Cooling – Interrelated coolant flow and throttle control
Patent
1987-03-30
1988-02-23
Cuchlinski, Jr., William A.
Internal-combustion engines
Cooling
Interrelated coolant flow and throttle control
123 4144, 123 4182R, F01P 320
Patent
active
047263253
ABSTRACT:
A cooling control system for internal combustion engines having two circuits of cooling water for cylinder head side and cylinder block side, each of two circuits being provided with a radiator, a water jacket, a water pump, a conduit, a return passageway, a by-pass passageway, a mixing valve device, and a motor fan; said water pump being driven by a rotation-controllable electric motor, said valve device being driven by a DC motor or a stepping motor which is controlled by a control unit operating by receiving signals on various vehicle running conditions, thereby making it possible to perform the optimum water distribution according to various vehicle running conditions under the high accuracy of control.
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Aisin Seiki Kabushki Kaisha
Cuchlinski Jr. William A.
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