Fluid handling – Liquid level responsive or maintaining systems – Control of outflow from tank
Patent
1994-03-03
1995-06-13
Walton, George L.
Fluid handling
Liquid level responsive or maintaining systems
Control of outflow from tank
137433, 604249, 604254, F16K 3122, F16K 3300, A61M 5168
Patent
active
054233461
ABSTRACT:
A fluid shut off valve for use in a parenteral fluid administration set includes a disk floating in a fluid chamber that shuts off fluid flow when the fluid in the chamber decreases below a certain level. The chamber includes a valve stem at its lower end that has both a valve seat and an alignment member with an alignment surface on the top end thereof for guiding the disk into proper seating on the valve seat. The valve seat and floating disk have complementary engagement surfaces for also guiding the disk into proper seating on the valve seat. In one embodiment, the alignment member includes fins located both on the valve stem and on the inside wall of the chamber. Because of the configuration of the alignment member, dislodgement of the disk from the valve seat is made easier.
REFERENCES:
patent: Re26124 (1966-12-01), Koehn
patent: 2672051 (1954-03-01), Butler
patent: 2693801 (1954-11-01), Foreman
patent: 2729212 (1956-01-01), Butler
patent: 2784733 (1957-03-01), Martinez
patent: 2844147 (1958-07-01), Beacham
patent: 2850211 (1958-09-01), Fernandez
patent: 2879784 (1959-03-01), Cutter
patent: 2907325 (1959-10-01), Burke
patent: 2989052 (1961-06-01), Broman
patent: 3035575 (1962-05-01), Broman
patent: 3101710 (1963-08-01), Koehn
patent: 3191608 (1965-06-01), Licata
patent: 3207372 (1965-09-01), Evans
patent: 3216419 (1965-11-01), Scislowicz
patent: 3227173 (1966-01-01), Bernstein
patent: 3454036 (1969-07-01), Thompson
patent: 3625211 (1971-12-01), Butler
patent: 3656505 (1972-04-01), O'Brian
patent: 3756233 (1973-09-01), Goldowsky
patent: 3896733 (1975-07-01), Rosenberg
patent: 3949745 (1976-04-01), Howell
patent: 3993062 (1976-11-01), Jess
patent: 4000738 (1977-01-01), Howell
patent: 4010750 (1977-03-01), Howell
patent: 4037596 (1977-07-01), LeFevre et al.
patent: 4055176 (1977-10-01), Lundquist
patent: 4078563 (1978-03-01), Tuseth
patent: 4079736 (1978-03-01), Lundquist
patent: 4099527 (1978-07-01), Howell
patent: 4103686 (1978-08-01), LeFevre
patent: 4143659 (1979-03-01), Biedermann
patent: 4175558 (1979-11-01), Hess, III et al.
patent: 4178927 (1979-12-01), Lundquist
patent: 4203463 (1980-05-01), Ponlot et al.
patent: 4227525 (1980-10-01), Lundquist
patent: 4640306 (1987-02-01), Fan
patent: 4731060 (1988-03-01), Catalano
patent: 4870987 (1989-10-01), Cheng
patent: 4959053 (1990-09-01), Jang
patent: 5031654 (1991-07-01), Kobayashi
IVAC Corporation
Walton George L.
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