Enclosed dry clutch/brake
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United States of America Patent
Stats
-
May 22, 1990
Issued Date -
N/A
app pub date -
Jul 21, 1989
filing date -
Apr 25, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A combined clutch/brake unit which is enclosed and constructed to avoid heat generation. An enclosed housing supports a driven input hub which carries clutch plates that sandwich a friction line clutch disk. The clutch disk is carried on a rotor which is splined to the output shaft and which also carries a friction lined brake disk. A double acting piston acts in one direction to apply the clutch and in the other direction to apply the brake. The unit may be either air applied clutch/air applied brake or air applied clutch/spring applied brake. The clutch and brake disks are small diameter to minimize the inertia of the output shaft and make it easier to accelerate and stop so that heat generation is minimized. Double friction linings are applied to both disks so that adequate torque is provided for both clutch and brake operation.
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