Rotary control valve with variable area orifice

Details Rotary control valve with variable area orifice Rotary control valve with variable area orifice

1994-02-04

1994-12-06

Chambers, A. Michael

Fluid handling

Systems

Multi-way valve unit

251209, 251367, F16K 510

Patent

active

053701542

ABSTRACT:
A rotary control valve with a variable area orifice (or orifices) which communicate with a bypass channel in order to provide infinite control of flow across the valve. The bypass channel may contain a silencing means. This arrangement allows for in-line maintenance of, or modification to, either the silencing means or the valve body itself through top entry of the valve. The cross-sectional void area of the bypass channel may be sized to be the same as the cross-sectional area of the upstream and downstream valve ports in order to provide silencing without throttling the flow through the valve.

REFERENCES:
patent: 3443793 (1969-05-01), Hulsey
patent: 3558100 (1971-01-01), Hulsey
patent: 3612102 (1971-10-01), Hulsey
patent: 4212321 (1980-07-01), Hulsey
patent: 4881718 (1989-11-01), Champagne

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