Engine cooling apparatus

Details Engine cooling apparatus Engine cooling apparatus

2007-05-15

2007-05-15

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Cooling

Automatic coolant flow control

C123S041490, C165S041000, C165S051000

Reexamination Certificate

active

11166241

ABSTRACT:
It is an object of the invention to provide an engine cooling apparatus that cools an engine according to an operation state of an engine driven work machine. The invention provides an engine cooling apparatus that is adapted to, in an engine drive work machine including an engine and a work machine driven by the engine, cool a radiator of the engine with an electric fan, the engine cooling apparatus including: at least one sensor that senses an operation state of the engine; and a control device that has an inverter, which uses a detection signal of the sensor as an input and the electric fan as a load, and performs operation control for the electric fan according to the operation state of the engine.

REFERENCES:
patent: 4425766 (1984-01-01), Claypole
patent: 7051786 (2006-05-01), Vuk
patent: 2001-020740 (2001-01-01), None
patent: 2001-020741 (2001-01-01), None

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