Flow control valve

Details Flow control valve Flow control valve

1992-05-07

1994-08-09

Green, Randall L.

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

604 31, 604 33, 604 65, 604246, 604249, 128912, A61M 3900

Patent

active

053361741

ABSTRACT:
A valve for fluids employs two telescoping parts which cooperate with one another to block fluid flow when pulled partially apart and open a flow path therethrough when pushed together. A plunger component, having a central bore, a closed off end and perforated walls, is slidingly and sealingly received within the collar of the hollow valve body. When the plunger's closed end is pushed far enough into the valve body so as to expose the apertures, fluid is free to flow from within the valve body into the plunger component. When pulled apart so as to cause the perforations to be positioned within the confines of the collar, flow is blocked. An actuation mechanism integrated into a housing serves to automatically pull the valve's components apart to stop flow when its cover is swung open and conversely causes the two components to be pushed together to open flow when the cover is closed.

REFERENCES:
patent: 2088656 (1937-08-01), Lamb
patent: 2995144 (1961-08-01), Manning et al.
patent: 3570484 (1971-03-01), Steer
patent: 3806086 (1974-04-01), Cloyed
patent: 3971541 (1976-07-01), Griffin
patent: 4265428 (1981-05-01), Rosemeier et al.
patent: 4430073 (1984-02-01), Bemis et al.
patent: 4689043 (1987-08-01), Bisha
patent: 4856756 (1989-08-01), Combs
patent: 4904236 (1990-02-01), Redmond et al.
patent: 5116021 (1992-05-01), Faust et al.
patent: 5148830 (1992-09-01), Liu

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