Method and device for controlling a coupling
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United States of America Patent
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-
Aug 10, 1999
Issued Date -
N/A
app pub date -
Oct 12, 1995
filing date -
Dec 17, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A coupling for transmitting torque between two parts has a friction coupling with a chamber including a piston and a rotational member. A pumping and control member is positioned in the chamber and includes at least one shear channel. The pumping and control member is rotatable between two positions such that viscous fluid moves through the channel to load the coupling.
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