Mechanism for operating a metering valve

Details Mechanism for operating a metering valve Mechanism for operating a metering valve

1987-11-19

1989-04-18

Walton, George L.

Valves and valve actuation

Fluid actuated or retarded

With mechanical movement between actuator and valve

74471R, 74519, 91363R, 222 52, 251212, 251229, 251232, 251279, 364183, 36416701, F16K 31122

Patent

active

048219983

ABSTRACT:
A metering valve comprised of two rotary registers are each provided with cutouts which are symmetrical in relation to the axis of the central opening defined by the movement of the registers. In accordance with the present invention, a mechanism for operating the registers synchronously and in opposite directions is composed of levers and connecting rods acting on the axis of suspension and rotation of the registers through the action of, for example, hydraulic jacks. In order to avoid the offsetting of the flow because of the difference between the radii of curvature of the registers, the entire mechanism is adapted to pivot as a whole about the pivot axis of the registers.

REFERENCES:
patent: 2781743 (1957-02-01), Mann et al.
patent: 3038449 (1962-06-01), Murphy, Jr. et al.
patent: 3317179 (1967-05-01), Willis
patent: 3902694 (1975-09-01), Friedell
patent: 3998426 (1976-12-01), Isbester
patent: 4037519 (1977-07-01), Miller et al.
patent: 4158367 (1979-06-01), Mailliet
patent: 4513782 (1985-04-01), Contartese et al.
patent: 4514129 (1985-04-01), Legille et al.
patent: 4570900 (1986-02-01), Lonardi et al.
patent: 4694390 (1987-09-01), Lee

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