Brakes – Elements – Locks
Patent
1993-01-08
1995-04-04
Oberleitner, Robert J.
Brakes
Elements
Locks
303 89, 92 24, 188 67, F16D 6900
Patent
active
054028663
ABSTRACT:
Disclosed is an air-applied, mechanically-held brake assembly and a vehicle air brake system employing the same. The brake assembly applies and releases the brake upon the supply and exhaust, respectively, of air from a first pressure chamber. The brake assembly locks and unlocks the brake in an applied position by the exhaust and supply, respectively, of air from a second pressure chamber. The locking mechanism of the brake assembly is designed to compound the force of the fluid pressure in the first pressure chamber with the force of the fluid pressure supplied to the second pressure chamber when unlocking the brake to compensate for back pressure.
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Bendix DD-3 & SD-3 Safety Actuators Service Datasheet No. SD-02-4.
PFA, Pneumatic Cylinder with Internal Brake Product Service Brochure, Series KPS, 7 pages.
Goldfein Nathan L.
Naedler Mark H.
International Transouip Industries, Inc.
Oberleitner Robert J.
Poon Peter M.
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