Externally adjustable flow restriction control for poppet valves

Details Externally adjustable flow restriction control for poppet valves Externally adjustable flow restriction control for poppet valves

1991-05-30

1992-08-04

Rosenthal, Arnold

Valves and valve actuation

With material guide or restrictor

Movable or resilient guide or restrictor

251240, F16K 152, F16K 3152

Patent

active

051351986

ABSTRACT:
An externally adjustable restriction control assembly for a poppet valve. The restriction control assembly is actuated through rotation of the valve stem. Upon rotation of the valve stem, a restriction control disc, threadably mounted to the valve stem guide, is moved toward or away from a seat provided within the housing. Movement of the restriction control disc thereby adjusts the effective cross-sectional flow area through the valve.

REFERENCES:
patent: 1978730 (1934-10-01), Weber
patent: 3425451 (1969-02-01), Smith
patent: 3472479 (1969-10-01), Sherwood
patent: 3490379 (1970-01-01), Laing
Atwood & Morrill Co., Inc., Advertisement.

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