Fluid flow valve

Details Fluid flow valve Fluid flow valve

1994-04-19

1995-08-29

Schwadrow, Martin P.

Valves and valve actuation

With selective flow regulation

251121, F16K 152

Patent

active

054453615

ABSTRACT:
In a preferred embodiment, a fluid flow valve, including: an elongate body having an axially extending cavity defined therethrough and having fluid inlet and outlet ports; a hollow seat assembly disposed in the body for the passage therethrough of a fluid; a shaped first aperture defined through a wall portion of the seat assembly; and a plug selectively axially moveable in the hollow seat assembly and along the shaped first aperture such that the fluid flows into the hollow seat assembly, upwards past the plug into the first aperture, through the first aperture, downwards past the plug, and out of the hollow seat assembly, the position of the plug along the aperture determining rate of flow of the fluid through the valve.

REFERENCES:
patent: 3426801 (1969-02-01), Curran
patent: 3428086 (1969-02-01), Glasgow
patent: 3752188 (1973-08-01), Sage
patent: 3771554 (1973-11-01), Hassall
patent: 3997141 (1976-12-01), Baumann
patent: 5090450 (1992-02-01), Pelech et al.

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