Damping valve for pressure regulator

Details Damping valve for pressure regulator Damping valve for pressure regulator

1978-03-24

1980-02-26

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

With separate connected fluid reactor surface

251 54, 188298, F16K 3112

Patent

active

041900766

ABSTRACT:
A damping valve for a pressure regulator wherein the valve is actuated by a valve diaphragm and coacts with an inlet orifice formed in the transverse wall separating the inlet from the outlet. An outlet chamber is formed on the outlet side of the wall. A damping chamber is formed in the housing below the valve and separated from the outlet chamber by a flexible seal. A connecting rod passes through the central aperture in the seal, and has one end connected to the valve and the other end connected to a piston slidingly disposed in the damping chamber. The piston has a hexagonal head having six circular segmented openings or flats which provide passages for a hydraulic liquid which fills the damping chamber to pass from one side of the piston to the other whenever the piston is moved responsive to a corresponding movement of the valve. The flexible seal acts as a volume compensator whereby volume changes resulting from pressure or temperature variations, or connecting rods penetration into the liquid damping chamber are continuously compensated for.

REFERENCES:
patent: 792757 (1905-06-01), Cloos
patent: 1166358 (1915-12-01), Grant
patent: 1275641 (1918-08-01), Armstrong
patent: 2105876 (1938-01-01), Birch
patent: 2178974 (1939-11-01), Smith
patent: 2196436 (1940-04-01), Briggs
patent: 2599956 (1952-06-01), Wallace
patent: 3948498 (1976-04-01), Hirano

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