Operating mechanism for valves, gates and the like

Details Operating mechanism for valves, gates and the like Operating mechanism for valves, gates and the like

1978-11-03

1980-08-26

Weakley, Harold W.

Valves and valve actuation

With means to increase head and seat contact pressure

With positive reduction

251187, 251228, F16K 2500

Patent

active

042191831

ABSTRACT:
An operating mechanism for valves and the like comprises a housing with a port situated therein which is to be opened and closed. Associated with the port is a seat and a valve plate for closing the port. A rotatable shaft drive mechanism for the valve plate includes a shaft which rotates in one direction to effect movement of the valve plate from its open position to its closed position followed by a pressing movement over the valve plate against the seat and rotates in the other direction to effect movement of the valve plate in the opposite direction. The rotatable shaft drive mechanism includes an intermittent drive for the transformation of the rotatory movement of the shaft to the desired movement of the valve plate.

REFERENCES:
patent: 2655942 (1953-10-01), Dougherty
patent: 3109457 (1963-11-01), Oliveau
patent: 3185435 (1965-05-01), Hauser
patent: 3343562 (1967-09-01), Combes
patent: 3695300 (1972-10-01), Bradel

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