Manually operable override for use with a linear actuator

Details Manually operable override for use with a linear actuator Manually operable override for use with a linear actuator

1981-11-25

1984-07-17

Schwadron, Martin P.

Valves and valve actuation

With correlated flow path

With mounting or support

251 14, 251134, 74625, F16K 3105, F16K 3104, F16K 3144

Patent

active

044601549

ABSTRACT:
A mechanical override is provided for use with electromechanical linear actuators used in the control of lever operated valves. A pair of telescoping tubes are supported in a fixed relationship to the valve. One tube provides a mounting location for the linear actuator while the other tube is stationary. A lead screw will be manually rotated to move one tube relative to the other. The linear actuator will travel with the moving tube to adjust the valve position.

REFERENCES:
patent: 582557 (1897-05-01), Stevesonson
patent: 766093 (1904-07-01), Albrand
patent: 1181701 (1916-05-01), Van Der Velde
patent: 1952046 (1934-03-01), Curtis

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