Surface valve with pressure energized seal and gear actuation

Details Surface valve with pressure energized seal and gear actuation Surface valve with pressure energized seal and gear actuation

1992-08-12

1994-02-08

Fox, John C.

Valves and valve actuation

Rotary valves

251172, 251248, F16K 300

Patent

active

052843203

ABSTRACT:
A surface valve with pressure energized seals and having gear actuation. The valve comprises a body with a rotating valve plate therein. The pressure energized seals provide sealing engagement between the valve plate and body. An actuation gear with a geared surface having a cam-shaped pitch line is positioned adjacent to the valve plate. An eccentrically rotated pinion gear is engaged with the actuation gear for providing rotation of the actuation gear and corresponding movement of the valve plate between open and closed positions thereof.

REFERENCES:
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patent: 2813695 (1957-11-01), Stogner
patent: 2911187 (1959-11-01), Owsley
patent: 2954961 (1960-10-01), Stogner et al.
patent: 3133722 (1964-05-01), McGuire et al.
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patent: 3430919 (1969-03-01), Frazier
patent: 3479006 (1969-11-01), Brown
patent: 4432387 (1984-02-01), Sims
patent: 4471965 (1984-09-01), Jennings et al.
patent: 4741509 (1988-05-01), Bunch et al.
patent: 4796858 (1989-01-01), Kabel
FMC Corporation advertisement entitled "a breakthrough seal technology:".
Publication dated Autumn 1984, from Taking the Lead, entitled "FMC research teams answer the fire-resistant challenge with a surprisingly simple--and versatile--design".
FMC Marketing Bulletin No. 1003 dated Jan., 1985.
Undated publication entitled "FMC New Generation Metal Seal Pipe Connector".

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