Valve noise reduction

Details Valve noise reduction Valve noise reduction

1987-02-24

1990-11-06

Rosenthal, Arnold

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

F16K 4702

Patent

active

049679988

ABSTRACT:
In a valve having a plug and valve seat for controlling the flow of fluid between an inlet port and an outlet port, the plug has radial serrations on its bottom face and has a length for establishing turbulence during the last 1/4 of its stroke as the plug is lifted from the valve seat, the flow through said valve seat being modulated by the turbulence.

REFERENCES:
patent: 1297229 (1919-03-01), Ostrander
patent: 1891324 (1932-12-01), Eheimann
patent: 2303126 (1942-11-01), Sloan
patent: 2341394 (1944-02-01), Sloan
patent: 2659388 (1953-11-01), Raud
patent: 3059894 (1962-10-01), Kuecht
patent: 3078067 (1963-02-01), Engle
patent: 3245429 (1966-04-01), Bacino

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