Fluid handling – Removable valve head and seat unit – Threaded into valve casing
Patent
1989-03-14
1990-02-20
Fox, John
Fluid handling
Removable valve head and seat unit
Threaded into valve casing
251367, 251192, F16K 2706
Patent
active
049017551
ABSTRACT:
A cartridge valve housing for use with a disc-type valve cartridge having a pair of discs disposed at one end and capable of axial adjustment of the discs independent of the housing. The valve housing includes a hollow tube member having an inlet and an outlet port and a passageway suitable for communicating liquid therebetween. A portion of the tube member, proximate the outlet port, is adapted to slidably and sealingly receive therein the valve cartridge end having the pair of discs. This portion of the tube member also has sufficient axial length so as not to inhibit axial movement of the valve cartridge in the housing. A concentric sleeve member is integrally formed on the outer wall of the tube member proximate the outlet port and forms a discharge chamber therebetween. The discharge chamber has a valve cartridge entry port aligned with the outlet port of the tube member and is adapted to threadably receive the valve catridge therethrough so as to permit the valve cartridge to selectively provide a fluid passageway for communicating fluid between the outlet port of the tube member through the discharge chamber and into a fluid discharge port in the discharge chamber.
REFERENCES:
patent: 3780758 (1973-12-01), De Vries
patent: 4256163 (1981-03-01), Orszullok
patent: 4314581 (1982-02-01), Schrock
patent: 4331176 (1982-05-01), Parkison
patent: 4425935 (1984-01-01), Gonzalez
patent: 4699170 (1987-10-01), Diephuis et al.
Rodstein, deceased Harvey B.
Rodstein, executrix by Barbara L.
Arant Gene W.
Fox John
Jodziewicz Matthew F.
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