Travel stop assembly for valves

Details Travel stop assembly for valves Travel stop assembly for valves

1991-07-31

1992-08-18

Rivell, John

Valves and valve actuation

Limit stop

Adjustable

251286, F16K 508, F16K 5100

Patent

active

051392305

ABSTRACT:
A travel stop assembly is provided for a valve and an actuator. The travel stop assembly includes a coupling which can be non-rotatably engaged between the valve stem and the actuator shaft to transmit rotation from the actuator shaft to the valve stem. The coupling includes a flange intermediate its length with a pair of opposed stop surfaces thereon. A pair of threadedly adjustable bolts are mounted intermediate the valve and the actuator for threaded advancement toward or away from the coupling. The bolts are angularly aligned to one another and can be independently advanced or retracted to engage the stop surfaces of the flange on the coupling to control the maximum rotation of the coupling and hence the valve stem.

REFERENCES:
patent: 908717 (1909-01-01), Westwater
patent: 1943865 (1934-01-01), Hennessey
patent: 3107546 (1963-10-01), Rowland
patent: 3674048 (1972-07-01), Manoogian et al.
patent: 4423752 (1984-01-01), Psarouthakis
patent: 4714235 (1987-12-01), Brown et al.

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