Fluid handling – Systems – Multi-way valve unit
Patent
1982-04-08
1985-02-26
Cohan, Alan
Fluid handling
Systems
Multi-way valve unit
13762511, 137554, 251133, 251180, F16K 1102, F16K 3102, F16K 3700
Patent
active
045012970
ABSTRACT:
A rotary valve includes a rotor having at least one internal flow passageway therein extending between ports for providing communication between various pairs of flow passageways in the body of the valve. The rotor includes an annular surface for sealing engagement with the body, at least one of the rotor ports being disposed on the annular surface. A continuous resilient seal is disposed between the sealing surfaces of the rotor and the body to provide static and dynamic sealing. A spherical surface disposed between the rotary drive and the rotor applies axial pressure to the rotor, the surface accommodating rocking of the rotor to insure uniform loading thereof. Further, loading of the seal between the rotor and body is adjustable externally of the valve.
REFERENCES:
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patent: 2988108 (1961-06-01), Malmquist et al.
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patent: 3223123 (1965-12-01), Young
patent: 3297053 (1967-01-01), McKinney
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patent: 3990476 (1976-11-01), Young et al.
patent: 4095616 (1978-06-01), Krieger
patent: 4156437 (1979-05-01), Chivens et al.
patent: 4299251 (1981-11-01), Dugas
Automatic Switch Company
Cohan Alan
Levine Alan H.
Rivell John A.
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