Actuator mechanism for a rotary valve or the like

Details Actuator mechanism for a rotary valve or the like Actuator mechanism for a rotary valve or the like

1980-03-26

1982-04-20

Hershkovltz, Abraham

Valves and valve actuation

Fluid actuated or retarded

With mechanical movement between actuator and valve

92 132, 92 33, 92 5R, 251 60, F16K 31126

Patent

active

043255353

ABSTRACT:
An actuator for a rotary valve preferably embodying a diaphragm motor operated by pressure fluid. A driving sleeve is reciprocated linearly by the diaphragm motor and within said sleeve is a rotatable shaft, which is axially aligned with the diaphragm motor and driven by a ball screw. A driven sleeve is fixed to said shaft and receives the stem of the valve. All parts are in linear alignment. Means are provided for limiting the extent of the linear movement of the parts.

REFERENCES:
patent: 2225790 (1940-12-01), Nardone
patent: 2883144 (1959-04-01), Kendig
patent: 3028878 (1962-04-01), Natho
patent: 3162098 (1964-12-01), Lindberg
patent: 3298659 (1967-01-01), Cupedo
patent: 3391722 (1968-07-01), Ligh
patent: 3786728 (1974-01-01), Sheesley
patent: 3911793 (1975-10-01), Izumi
patent: 3989223 (1976-11-01), Burkhardt
patent: 4061080 (1977-12-01), Sundstrom
patent: 4114470 (1978-09-01), Sharpe
patent: 4196654 (1980-04-01), Stearns

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