Fluid handling – Systems – Dividing into parallel flow paths with recombining
Patent
1985-09-19
1986-12-16
Schwadron, Martin P.
Fluid handling
Systems
Dividing into parallel flow paths with recombining
13762532, G05D 706
Patent
active
046289615
ABSTRACT:
This invention relates to a control valve including a plurality of rotary closure members respectively blocking and opening a plurality of flow passages extending from one port opening to another port opening included in the valve body. Each of the plurality of the rotary closure members includes one or more orifices which open each flow passage blocked by each rotary closure member when the rotary closure member is rotated to the open position, while each rotary closure body closes each flow passage when the rotary closure body is rotated to the closed position. Each rotary closure member includes its own rotary actuator. A controller enables one to selectively open and close different combinations of the rotary closure member, providing flow control means by opening different number of orifices for different amounts of flow rate through the flow passages extending from one port opening to the other port opening included in the valve body.
REFERENCES:
patent: 1019747 (1912-03-01), Barnes
patent: 1403003 (1922-01-01), Beatson
patent: 3282248 (1966-11-01), Mann et al.
patent: 3726296 (1973-04-01), Friedland
patent: 3937248 (1976-02-01), Hutton
patent: 4303097 (1981-12-01), Zerby
patent: 4420009 (1983-12-01), Sharp et al.
Hepperle Stephen M.
Schwadron Martin P.
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