Leak-resistant fluid coupling arrangement

Details Leak-resistant fluid coupling arrangement Leak-resistant fluid coupling arrangement

1996-08-05

1997-09-02

Lee, Kevin

Fluid handling

Systems

Flow path with serial valves and/or closures

13761403, F16L 3728

Patent

active

056621418

ABSTRACT:
A leak-resistant fluid coupling arrangement includes two coupling assemblies, each having valves for preventing fluid flow in a disconnected state, and for permitting fluid flow in a connected state. The valve in one of the assemblies is mounted within a tubular body having an external stop. A sleeve is mounted exteriorly of the tubular body. A spring bears against the sleeve and the stop to resiliently position a front surface of the tubular body adjacent an end wall of the valve. In the other assembly, the valve is located between a tubular part and a second tubular body, and has a seal that engages an internal shoulder of the second body. Apertures extend through the seal. A spring resiliently positions an end wall of the tubular part adjacent a front region of the second body. In the connected state, the seal is disengaged from the shoulder, and fluid flows through the apertures.

REFERENCES:
patent: 3464436 (1969-09-01), Bruning
patent: 4289164 (1981-09-01), Ekman
patent: 4924909 (1990-05-01), Wilcox
patent: 5123448 (1992-06-01), Kjellberg et al.
patent: 5191914 (1993-03-01), Gonzalez

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