Self sealing coupling with full flow relief valve

Details Self sealing coupling with full flow relief valve Self sealing coupling with full flow relief valve

1980-01-16

1981-09-08

Schwadron, Martin P.

Fluid handling

Systems

Flow path with serial valves and/or closures

137508, 13761403, 2511498, F16L 3728, F16K 3112

Patent

active

042879140

ABSTRACT:
A self sealing fluid coupling utilizing separable interconnectable fittings wherein valve structure within one of the fittings simultaneously functions as the associated self sealing valve and as a pressure relief valve adapted to open and relieve excessive internal fluid pressure when the fitting is uncoupled. The combination self sealing and relief valve comprises an axially slidable sleeve including a radial surface exposed to internal fluid pressures for producing axial forces on the sleeve which are counteracted by a spring.

REFERENCES:
patent: 3039794 (1962-06-01), DeCenzo
patent: 3054420 (1962-09-01), Williams
patent: 3195935 (1965-07-01), Beebee, Jr.
patent: 3446245 (1969-05-01), Snyder, Jr.
patent: 3856043 (1974-12-01), Feild et al.
patent: 3993361 (1976-11-01), Stelzer

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