VISCOUS CLUTCH WITH HIGH-SPEED RESERVOIR, VALVE IN HOUSING, AND BIMETAL MEMBER
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
Nov 1, 2014
filing date -
Nov 1, 2014
priority date (Note) -
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Abstract
A viscous fan drive including a fluid valve activated by a bimetal member, and including a clutch disk member and fluid reservoir rotatable at input speed. The fluid reservoir is contained in a reservoir chamber member positioned on the clutch disk member. The bimetal member controls the operation of a valve member in the housing which in turn controls the passage of fluid from a scavenge passageway into the fluid chamber and working chamber for operation of a cooling fan.
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