Quick disconnect coupling

Details Quick disconnect coupling Quick disconnect coupling

1977-10-07

1979-04-24

Nilson, Robert G.

Fluid handling

Systems

Flow path with serial valves and/or closures

F16L 3728

Patent

active

041506910

ABSTRACT:
A quick disconnect coupling for coaction with a checkvalve equipped male coupling is provided with a lockable spool and a lockable valve actuator. A first locking pin on the spool locks the spool when the male coupling is not coupled with the female coupling and is engageable with the male coupling for unlocking the spool when the male coupling is inserted into the female coupling. The locking mechanism for the actuator permits the actuator to move when a pressurized male coupling is inserted and locks the actuator when the actuator opens the check valve.

REFERENCES:
patent: 3613726 (1971-10-01), Torres
patent: 3791411 (1974-02-01), Bogeskov

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