Female coupler for a fluid circuit

Details Female coupler for a fluid circuit Female coupler for a fluid circuit

1985-02-11

1985-10-29

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

13761405, F16L 3700

Patent

active

045495777

ABSTRACT:
A female coupler for engagement with a male coupler which has a spring loaded check valve, the female coupler includes a main poppet valve biased to a normally closed position and movable by the check valve in the male coupler to a fully opened position, a piston responsive to fluid pressure in the female coupler to force the main poppet valve to an intermediate position and open the male coupler check valve, a flow check prevention valve for normally maintaining a predetermined pressure of the fluid acting on the piston, and a second poppet valve to relieve the fluid acting on the piston.

REFERENCES:
patent: 2735696 (1956-02-01), Omon et al.
patent: 3500859 (1970-03-01), Pearson
patent: 3550624 (1970-12-01), Johnson
patent: 4249572 (1981-02-01), Shindelar et al.
patent: 4303098 (1981-12-01), Shindelar

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