Fluid handling – Diverse fluid containing pressure systems – Fluid separating traps or vents
Patent
1997-08-12
1999-09-28
Michalsky, Gerald A.
Fluid handling
Diverse fluid containing pressure systems
Fluid separating traps or vents
251901, F16K 2404
Patent
active
059571500
ABSTRACT:
An air release valve includes a housing having a fluid inlet and a fluid outlet, a valve plate within the housing between the inlet and outlet, the valve plate having a pair of discrete apertures isolated from each other; a valve seal assembly including a seal engageable with the valve plate overlying the apertures; a float located in the housing upstream of the valve plate and connected to the seal, the float displaceable between first and second positions in the housing wherein displacement of the float in one direction progressively detaches successive portions of the seal from the apertures, the float having a tapered end remote from the seal.
REFERENCES:
patent: 70511 (1867-11-01), Bourden
patent: 212556 (1879-02-01), Johnson
patent: 934045 (1909-02-01), Cotter
patent: 1138994 (1915-05-01), Steele
patent: 1576709 (1926-03-01), Bassler
patent: 2180173 (1939-11-01), Share
patent: 2216000 (1940-09-01), Crawford
patent: 2386051 (1945-10-01), Kempton
patent: 2449573 (1948-09-01), White
patent: 2675025 (1954-04-01), Wynkoop
patent: 2677387 (1954-05-01), Crawford
patent: 2977972 (1961-04-01), Billeter et al.
patent: 3000395 (1961-09-01), Waterfill
patent: 3021861 (1962-02-01), Billeter et al.
patent: 3049146 (1962-08-01), Hayes
patent: 3053275 (1962-09-01), Waterfill
patent: 3154091 (1964-10-01), Richards et al.
patent: 3230965 (1966-01-01), Richards
patent: 3230966 (1966-01-01), Richards
patent: 3236493 (1966-02-01), Richards
patent: 3259142 (1966-07-01), Richards
patent: 3282288 (1966-11-01), Sheppard
patent: 3437104 (1969-04-01), Richards
patent: 3605546 (1971-09-01), Klann
patent: 3726313 (1973-04-01), Pandya
patent: 3741234 (1973-06-01), Siebold
patent: 3766933 (1973-10-01), Nicholson, Jr.
patent: 3771563 (1973-11-01), Hayner
patent: 3773077 (1973-11-01), Barnebey
patent: 3794068 (1974-02-01), Milroy
patent: 3905576 (1975-09-01), Fox, Jr.
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: 4092998 (1978-06-01), Taplin
patent: 4104004 (1978-08-01), Graef
patent: 4147183 (1979-04-01), Kalsi
patent: 4163456 (1979-08-01), Herron
patent: 4193417 (1980-03-01), Bowman et al.
patent: 4335743 (1982-06-01), Jones
patent: 4390036 (1983-06-01), Athanassiu et al.
patent: 4484728 (1984-11-01), Moore
patent: 4488702 (1984-12-01), Lapeyre
patent: 4664139 (1987-05-01), Pfeiffer
patent: 4770201 (1988-09-01), Zakai
patent: 5020567 (1991-06-01), Proulx
patent: 5090443 (1992-02-01), Jacobsen
patent: 5313977 (1994-05-01), Bergsma et al.
patent: 5368276 (1994-11-01), Pfeiffer
patent: 5605175 (1997-02-01), Bergsma et al.
patent: 5738132 (1998-04-01), Zakai et al.
patent: 5794646 (1998-08-01), Perkins
A.R.I. Flow Control Accessories advertising literature (Undated).
Air Valves--Barak Specification, printout from internet. (Undated).
Michalsky Gerald A.
Nelson Irrigation Corporation
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