Air diffuser valve

Details Air diffuser valve Air diffuser valve

1998-06-22

2000-01-25

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

Direct response valves

137883, 210136, F16K 1514

Patent

active

060168390

ABSTRACT:
An air diffuser system contains a manifold and a plurality of elastomeric "duckbilled" check valves. The manifold is constructed from a conduit material and can be arranged in many different configurations. The valves are made from an elastomeric material, such as rubber, preventing the valves from being clogged with sludge, sediment, or other debris commonly found in waste treatment water. Additionally, the valves can be bored with predetermined orifice sizes, allowing the volume and pressure of escaping air to be determined prior to installation. To make installation of the valves easier, various types of coupling devices may be used to attach the valves to the manifold. Examples of coupling devices include restrictive orifices, "Y"-shaped conduits, and nipple conduits. Multiple valves can also be fabricated on a common cuff prior to installation.

REFERENCES:
patent: 3131712 (1964-05-01), Risley et al.
patent: 3499464 (1970-03-01), Williams et al.
patent: 3710942 (1973-01-01), Rosenberg
patent: 4013556 (1977-03-01), Evans
patent: 4100940 (1978-07-01), Spears
patent: 4253247 (1981-03-01), Bergstrom
patent: 4486122 (1984-12-01), Arntyr et al.
patent: 4610063 (1986-09-01), Steudler, Jr.
patent: 5352356 (1994-10-01), Murphy
patent: 5727593 (1998-03-01), Duer

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