Valves and valve actuation – Pivoted valves
Patent
1976-10-22
1978-10-03
Cline, William R.
Valves and valve actuation
Pivoted valves
251333, 251 86, F16K 2500, F16K 506
Patent
active
041180089
ABSTRACT:
An eccentrically rotatable control valve has a seat ring containing two seating surfaces and a stationary sealing ring mounted on an inner wall of a valve chamber to form a port therein. Rolling movement of an eccentrically mounted plug of the valve from a partial to full line fluid tight sealing contact with one of the seating surfaces of the seat ring causes the seat ring to be simultaneously moved in a rocking manner and the other seating surface of the seat ring to be moved into fluid tight sealing engagement with the stationary sealing ring. The rockable seat ring construction provides a means by which the plug and its associated seat ring can center itself in a properly seated fluid tight position on the sealing ring in the event that the sealing ring is out of properly aligned seating surface engagement with the plug.
REFERENCES:
patent: 1074191 (1913-09-01), Mixer
patent: 2330610 (1943-09-01), Natter
patent: 2454160 (1948-11-01), Greene
patent: 2664264 (1953-12-01), Fennema
patent: 3106219 (1963-10-01), Teston
patent: 3191619 (1965-06-01), Allen
patent: 3494589 (1970-02-01), Mumma
patent: 3870071 (1975-03-01), Graham
patent: 3946986 (1976-03-01), Sutter et al.
patent: 3963211 (1976-06-01), Myers
Bodenstein George E.
Burton Lockwood D.
Cline William R.
Honeywell Inc.
Marhoefer Laurence J.
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