Diaphragm-type pneumatic brake actuator with closing valve

Brakes – Operators – Spring

Patent

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Details

303 841, 1375195, F16D 6524

Patent

active

053618777

ABSTRACT:
A diaphragm-type pneumatic brake actuator is provided with a closing valve that seals the air pressure line upstream from the diaphragm in response to diaphragm rupture. This isolates the actuator from the pressure line so that the line does not lose pressure and, thus, prevents a diaphragm rupture in one brake actuator from adversely affecting another brake actuator coupled to the same air pressure line.

REFERENCES:
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patent: 5255961 (1993-10-01), Graham
Bendix Westinghouse Limited, "Quick Release Valve" Technical Pamphlet 10/008, Issue 3, May 1976.

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