Rotating gate valve

Details Rotating gate valve Rotating gate valve

1985-05-20

1986-08-26

Walton, G. L.

Valves and valve actuation

Mechanical movement actuator

Cam

251263, 251287, 251313, F16K 31524

Patent

active

046078207

ABSTRACT:
A rotating gate valve for access to vacuum chambers, and the like, employs a rotating gate member which is alternatively aligned to cover or to uncover a slot in a concentric valve body, the ends of which are sealed and serve as supports for a shaft. Eccentric lobes on the shaft engage corresponding cam surfaces on a gate member causing it to be urged into high force contact with the body when sealing of the chamber is desired.

REFERENCES:
patent: 14620 (1856-04-01), Smith
patent: 477392 (1892-06-01), Weber
patent: 1951878 (1934-03-01), Lundgren
patent: 2431593 (1947-11-01), Strike
patent: 2534577 (1950-12-01), Courtot
patent: 2803426 (1957-08-01), DeZurik
patent: 3408040 (1968-10-01), Kraft
patent: 3567181 (1971-03-01), Kraissl, Jr.
patent: 4173328 (1979-11-01), Karbo

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