Fluid handling – Self-proportioning or correlating systems – Self-proportioning flow systems
Patent
1974-06-10
1976-08-10
Cline, William R.
Fluid handling
Self-proportioning or correlating systems
Self-proportioning flow systems
137115, 137118, F16K 1110
Patent
active
039735800
ABSTRACT:
A flow divider valve for controlling the fluid quantities to be independently supplied into a first, a second and a third hydraulic circuit from a fluid pressure source comprises a first and a second spool engaged slidably within a cylindrical bore of a casing coaxially to each other to form at their outer ends a first and a second pressure chamber respectively in communication with a first and a second outlet port provided on the casing and to form a third pressure chamber therebetween in open communication with an inlet port provided on the casing, the third pressure chamber being communicated with the first and second hydraulic circuits through a first and a second fixed orifice provided respectively between the third pressure chamber and the first and second outlet ports and annular throttles formed respectively between the first outlet port and the periphery of the first spool and between the second outlet port and the periphery of the second spool, and the first and second spools being biased inwardly to each other to engage the inner ends of the spools to each other to complete the third pressure chamber.
REFERENCES:
patent: 2737196 (1956-03-01), Eames
patent: 2859762 (1958-11-01), Banker
patent: 3570519 (1971-03-01), Bianchetta
patent: 3703186 (1972-11-01), Brewer
Aisin Seiki Kabushiki Kaisha
Cline William R.
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