Device for transmitting torque between two rotatable shafts
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United States of America Patent
Stats
-
Nov 9, 1999
Grant Date -
N/A
app pub date -
Jun 1, 1998
filing date -
Jul 14, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Torque is transmitted between two rotatable, coaxial shaft members in a stationary housing which includes a number of alternate clutch discs connected to the shaft members and engageable to counteract differential rotational speed therebetween, and a hydraulic arrangement driven by the speed differential. The arrangement includes a number of pistons which are axially movable in the housing and are intended to create a hydraulic pressure in the arrangement and thereby to engage the clutch discs, piston actuating devices engaging a shaft member via cams, so as to impart to the pistons a reciprocating movement, and a closed hydraulic system connecting cylinders at all pistons with a hydraulic line containing check-valves. Oil is supplied to the system with a pump and may be removed from the system via an overflow valve.
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