Fluid handling – With means for separating solid material from the fluid – Movable strainer
Patent
1993-05-07
1994-11-08
Chambers, A. Michael
Fluid handling
With means for separating solid material from the fluid
Movable strainer
137315, 251148, 210238, 210449, E03B 318
Patent
active
053618017
ABSTRACT:
A ball valve has a housing which rotatably carries a ball. The housing has inlet and outlet ports. The ball has two ports which may be rotated to align with the housing's ports. The ball carries a cartridge in a cartridge compartment located transverse to the ball ports. The cartridge has inlet and outlet ports between which a cartridge flow passage is defined. A strainer is located within the cartridge flow passage. The ball and cartridge may be rotated to an orientation in which the ball ports are substantially transverse to the housing ports, from which orientation the cartridge may be extracted from the ball and housing and the strainer may be removed from the cartridge.
REFERENCES:
patent: 1179387 (1916-04-01), Anschutz
patent: 1202468 (1916-10-01), Allen
patent: 2786504 (1957-03-01), Samler
patent: 3033256 (1962-05-01), Schrenk
patent: 3348694 (1967-10-01), Smith
patent: 4351727 (1982-09-01), Brogger
patent: 4529515 (1985-07-01), Selz
patent: 5188335 (1993-02-01), Pettinaroli
Kerpan Stephen J.
McKee Gary F.
Chambers A. Michael
Whittaker Controls, Inc.
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