Engine cooling apparatus
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United States of America Patent
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May 15, 2007
Grant Date -
Dec 29, 2005
app pub date -
Jun 27, 2005
filing date -
Jun 29, 2004
priority date (Note) -
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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.
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