Redundant valve disconnect coupling

Details Redundant valve disconnect coupling Redundant valve disconnect coupling

1991-05-30

1993-03-09

Fox, John C.

Fluid handling

Systems

Flow path with serial valves and/or closures

137614, F16L 2900

Patent

active

051919141

ABSTRACT:
A redundant fluid coupling with two coupling assemblies adapted to engage each other and permit fluid flow between the coupling assemblies when they are connected. Each coupling assembly has two functionally independent valves for closing off the fluid flow from the coupling assembly when the coupling assemblies are disconnected. The independent valves are reciprocally operated by coil springs and since they are functionally independent, the failure of one valve of the coupling assembly to operate will not affect the operation of the other valve. The interior portions of each coupling assembly are pivotally mounted which permits the coupling assemblies to be connected together even though they may be offset from each other and/or form an angle with each other.

REFERENCES:
patent: 3645294 (1972-02-01), Allread
patent: 4509554 (1985-04-01), Failla
patent: 4597413 (1986-07-01), Bureth
patent: 4944329 (1990-07-01), Cardin et al.

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