Internal-combustion engines – Cooling – Interrelated coolant flow and throttle control
Patent
1980-06-24
1983-08-23
Feinberg, Craig R.
Internal-combustion engines
Cooling
Interrelated coolant flow and throttle control
123556, 123568, 123421, 123196AB, F01P 320
Patent
active
043997740
ABSTRACT:
The temperature of an internal combustion engine is controlled in accordance with engine operating conditions such as engine load and speed by controlling the temperature of a working fluid or fluids of the engine, such as engine intake air, engine cooling water and lubricating oil. To do this there are provided fluid temperature sensing means, engine condition detecting means, a control unit to produce a control signal and means for regulating the working fluid temperature in response to the control signal so as to bring the sensed working fluid temperature closer to a predetermined reference temperature which is set as being a function of engine operating conditions. Preferably the temperature control is operated in such a manner that the working fluid temperature is high at low engine load and low at high engine load.
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Feinberg Craig R.
Nissan Motor Co,. Ltd.
Wolfe W. R.
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