Fluid-pressure and analogous brake systems – Releasing – Control pipe
Patent
1977-10-11
1979-03-27
Kunin, Stephen G.
Fluid-pressure and analogous brake systems
Releasing
Control pipe
137494, 303 86, B60T 1704
Patent
active
041462750
ABSTRACT:
An automatic brake release valve in the form of a normally open pressure relief venting structure for air operated vehicular brakes and the like, wherein atmospheric air is vented into the closed brake system intermediate the air brake actuating valves and the brake chambers actuated thereby. This venting valve structure relieves any pressure build-up which occurs as a result of brake valve leakage, since any increase in pressure in this part of the system closes the exhaust valves and actuates the brakes. So that normal brake function is maintained, the venting valve structure closes on a predetermined pressure rise. Thus, when the brakes of the vehicle are applied, a limited amount of air will escape from the system, until the predetermined valve closing pressure is reached, and during this air escape period, water condensate is exhausted from the system automatically, while providing maximum brake efficiency.
REFERENCES:
patent: 3175572 (1965-03-01), Kauer, Jr. et al.
patent: 3181560 (1965-05-01), Worden et al.
patent: 3231315 (1966-01-01), Turnbull
patent: 3422840 (1969-01-01), Bryant et al.
patent: 3450154 (1969-06-01), Bueler
patent: 3522818 (1970-08-01), Suchy
patent: 3753599 (1973-08-01), Michellone et al.
patent: 4035034 (1977-07-01), Sekiguchi
Elliott Clayton F.
Elliott Robert H.
Elliott Robert H.
Kunin Stephen G.
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