Fluid flow valve

Details Fluid flow valve Fluid flow valve

1987-07-30

1988-09-13

Chambers, A. Michael

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

251205, 251901, F16K 3118

Patent

active

047702010

ABSTRACT:
A fluid flow valve such as a faucet or air-purge valve comprising a housing having defined therein a fluid through-flow aperture with a valve seating formed in the housing and bounding said aperture. A flexible closure membrane is secured at one end to the housing and is adapted to be biased, under fluid pressure in the housing, against the valve seating so as to seal the aperture. Membrane displacing means are secured to an opposite end of the membrane so that displacement of the displacing means in a first sense progessively detaches successive transverse portions of the membrane from the seating so as to open the aperture while displacement of the displacing means in an opposite sense allows for the membrane to become sealingly biased against the seating.

REFERENCES:
patent: 2449573 (1948-09-01), White
patent: 3282288 (1966-11-01), Sheppard
patent: 3951168 (1976-04-01), Roberts
patent: 3973582 (1976-08-01), Siebold
patent: 4082106 (1978-04-01), Butcher
patent: 4084617 (1978-04-01), Happe
patent: 4484728 (1984-11-01), Moore

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