Fluid friction coupling
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United States of America Patent
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Jul 16, 2002
Grant Date -
N/A
app pub date -
Aug 24, 2000
filing date -
Aug 24, 1999
priority date (Note) -
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Abstract
A fluid friction coupling for driving a fan of an internal combustion engine includes a solenoid configured such that it surrounds a drive shaft and is operatively arranged for moving a control part. The control part moves a valve body which controls the flow of a viscous fluid into a working chamber. The fluid friction coupling is of particularly compact configuration and magnetic losses are kept particularly low.
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