Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Patent
1985-07-19
1986-09-23
Michalsky, Gerald A.
Valves and valve actuation
With correlated flow path
Valve operated by joining flow path sections
137 71, 285317, F16L 3708
Patent
active
046131124
ABSTRACT:
A quick-disconnect fitting for quick connection or disconnection of an oxygen line, for receiving a gas line plug of the type having a plug flange to provide gas to an oxygen line terminated by the plug. A metal valve body has a threaded inner end for being threadably received by a source of pressurized oxygen and an outer end carrying a molded plastic cap having a receptacle for receiving the plug. The valve body includes a plunger-type valve axially shiftable therein between open and closed positions, the valve carrying at its upper end a poppet for sealing engagement with a valve seat of the valve body when the valve is closed. A compression spring surrounds the valve for urging it into closed position. A nose of the plug engages and maintains open the valve member when the plug is received within the cap for receiving gas from the source. The cap carries a locking plate for selective locking engagement with the plug flange when the plug is received. The cap receptacle is cross-sectionally configured for unique mutual engagement of the plug for preventing its connection to an improper source.
REFERENCES:
patent: 3592231 (1971-07-01), Lamb
patent: 3851666 (1974-12-01), Hammond
patent: 4541457 (1985-09-01), Blenkush
Phlipot James R.
Scharfenberg Randolph E.
Essex Industries, Inc.
Michalsky Gerald A.
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