Flow control valve

Details Flow control valve Flow control valve

1989-08-28

1990-02-20

Nilson, Robert G.

Valves and valve actuation

With selective flow regulation

Different sized bores in valve head

251325, 251364, 251900, F16K 326

Patent

active

049019767

ABSTRACT:
A fluid flow control valve for a fixture having a conduit for the passage of a fluid through the fixture comprises a valve rod that is manually slideable through a hole in the fixture to intercept the conduit at right angles. The rod has a plurality of various apertures through the diameter, each alignable with the conduit and sealed of by an O-ring around the rod to prevent leakage along the rod. In addition, novel saddle shaped O-rings closely surrounding the conduit and conforming to the arcuate surface of the valve rod prevent peripheral leakage around the surface of the valve rod in its "off" position.

REFERENCES:
patent: 1679219 (1928-07-01), Huff
patent: 2628809 (1953-02-01), Mikeska
patent: 2788244 (1957-04-01), Gilmour
patent: 3294112 (1966-12-01), Watkins
patent: 3406705 (1968-10-01), Meyer
patent: 4134573 (1977-05-01), Messinger
patent: 4846220 (1989-07-01), Rader

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