Pivoting control valve actuator and support assembly

Details Pivoting control valve actuator and support assembly Pivoting control valve actuator and support assembly

F - Mech Eng,Light,Heat,Weapons

01

D

251/18, 170/61

F01D 25/00 (2006.01) F01D 17/20 (2006.01)

Patent

CA 2036418

55,482 Abstract of the Disclosure A steam turbine control valve actuator for lever- operated control valves includes a servomechanical actuator with a reciprocable rod. Such servomechanical actuator is mounted upon a support assembly that is, in turn, pivotably mounted to the control valve body. A distal end of the rod is coupled by a knuckle joint to one end of the lever which operates the control valve, and forces of the rod are biased by a spring that substantially eliminates side forces on the rod through maintenance of the effort that is applied to the lever by the rod in a direction that: is parallel to the rod.

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