Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1997-11-04
1999-04-06
Chambers, A. Michael
Fluid handling
Systems
Flow path with serial valves and/or closures
137614, F16L 3728
Patent
active
058905170
ABSTRACT:
A vented quick disconnect coupling includes male and female coupling members, each including a valve which is situated and constructed to automatically open upon coupling of the members together and automatically close upon uncoupling of the members to eliminate spilling or leakage from either coupling member. The valves are constructed to afford a fluid tight seal without any O-ring seals. Likewise, the valves are situated at the joining ends of the coupling members to eliminate fluid loss when the coupling members are separated. At least one of the coupling members enables venting of gas from a fluid container on which it is mounted to dispel positive or negative pressure differentials relative to the atmosphere while precluding liquid flow therethrough.
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Chambers A. Michael
Thomte Dennis L.
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