Charge and relief valve

Details Charge and relief valve Charge and relief valve

1976-06-21

1978-02-14

Cohen, Irwin C.

Fluid handling

Systems

With flow control means for branched passages

91454, 137353, 1375962, 297345, F15B 1304, F16K 1100

Patent

active

040733122

ABSTRACT:
A dual valve assembly having a charge and relief valve, comprising a unitary valve structure including a thick central body section and, extending therefrom, a pair of elongated hollow cylindrical valve members. A valve core is threaded into the bore of each valve member and a conventional valve cap is screwed onto the free end of one member, which end is adapted to be connected to an air source. A spring-biased plunger-cap or assembly is threaded onto the free end of the other valve member, the plunger being operable to engage the pin of the valve core at that end so as selectively to relieve the pressure. A passageway in the central section communicates with both of the bores and by a hose connection, with a pneumatic device whose operation is to be controlled.

REFERENCES:
patent: 241847 (1881-05-01), Eichert
patent: 1223621 (1917-04-01), Scherenzel
patent: 3154099 (1964-10-01), Long, Jr. et al.
patent: 3166991 (1965-01-01), Blenkle
patent: 3188103 (1965-06-01), Von Lowis
patent: 3545479 (1970-12-01), Coe
patent: 3714968 (1973-02-01), Billeter

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