Internal-combustion engines – Cooling
Patent
1993-10-29
1995-05-16
Kamen, Noah P.
Internal-combustion engines
Cooling
123 4147, 290 44, 290 55, F01P 900
Patent
active
054151341
ABSTRACT:
An engine cooling system is provided for compactly and more efficiently pumping cooling fluid through an engine and a radiator of a vehicle. The engine cooling system has an engine, a charge storage device in electrical communication with the engine for supplying a charge to the engine, and a radiator in fluid communication with the engine for cooling fluid passing through the radiator from the engine. A pump is in fluid communication with the engine and the radiator for pumping fluid from the engine to the radiator and to the engine from the radiator. A fan, preferably compactly connected to the pump, cooperates with the radiator for cooling fluid circulating through the radiator, and a temperature sensor is connected to the engine for sensing the temperature of the engine. A pump control is in electrical communication with the temperature sensor and is connected to the pump for operating the pump when the temperature of the engine exceeds a predetermined value. A fan control is connected to the fan for controlling the operation of the fan and charging the charge storage device when the vehicle speed exceeds a predetermined value. The pump and fan controls preferably include the same motor which rotates the pump and the fan during non-operation and slow speed of the vehicle engine. The engine rotates the pump during high speed while the motor continues to operate the fan. During the rapid forward movement of the vehicle, the resulting airstream which engages the fan acts to rotate the fan and cause the motor to operate as a generator and charge the charge storage device.
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Kamen Noah P.
Stewart Components
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