External-control type fan clutch device
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United States of America Patent
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May 3, 2016
Grant Date -
Aug 6, 2015
app pub date -
Jan 21, 2015
filing date -
Jan 31, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is an external-control type fan clutch device that can suppress unnecessary rotation of a cooling fan at the time of activating a rotary shaft effectively regardless of stop positions of an oil supply port and an oil recover port at a stop time of the fan. The fan clutch device includes a valve member for opening/closing an oil circulating flow passage hole provided on a side wall face of the annular oil reserving chamber, wherein opening/closing of the oil circulating flow passage hole is controlled by the valve member, wherein an oil supply chamber, that is formed of a partition wall composed of an arc-like wall and a plate-like partition wall for shielding one end of the arc-like partition wall, is provided in the annular oil reserving chamber, and the oil circulating flow passage hole and an oil recovery port are arranged in the oil supply chamber.
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