Flow control valve

Details Flow control valve Flow control valve

2007-09-05

2009-12-08

Rivell, John (Department: 3753)

Fluid handling

Systems

Dividing into parallel flow paths with recombining

C137S601140, C137S601180, C251S205000, C251S208000

Reexamination Certificate

active

07628170

ABSTRACT:
A flow control valve is provided that comprises a valve housing having an inlet, an outlet, and a valve chamber that includes a first valve port opening in communication with the inlet and a second valve port opening in communication with the outlet. The various embodiments further comprise a modulating member having first and second tapered arcuate slots therein, which is disposed in the valve chamber approximate the first valve port opening and second valve port opening. The modulating member is rotatable to adjustably position a wider or narrower portion of both the first tapered arcuate slot and second tapered arcuate slot over the first valve port opening and second valve port opening respectively, to adjustably vary the rate of fluid flow through the valve.

REFERENCES:
patent: 1751591 (1930-03-01), McCloskey
patent: 2911008 (1959-11-01), Du Bois
patent: 3987819 (1976-10-01), Scheuermann
patent: 4327758 (1982-05-01), Uhlmann
patent: 4380250 (1983-04-01), Stoll
patent: 4431161 (1984-02-01), Miller et al.
patent: 4673160 (1987-06-01), Tolley
patent: 6619613 (2003-09-01), Akamatsu et al.
patent: 7093818 (2006-08-01), Koeneman
patent: 7168677 (2007-01-01), Gama et al.
patent: 7316384 (2008-01-01), Sekiya et al.
patent: 2003/0010950 (2003-01-01), Schiavone et al.

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