Patent ID: 6598511
Filing Date: 2003-07-29
Classification: F15B,F16K

Abstract:
An assembly with a dual end stop for an actuator to operate a quarter turn valve,said assembly comprising: an actuator housing having a zone for pressure containment; a rotary drive having at least a portion thereof mounted for rotation within said actuator housing and having a portion thereof extending from said actuator housing, a first stop and a second stop surface mounted for stopping said rotary drive in a corresponding first rotational position and a second rotational position; a first stop member for engaging said first stop surface, said first stop member being mounted outside of said zone for pressure containment; and a second stop member for engaging said second stop surface, said second stop member being mounted outside of said zone for pressure containment; and a stop assembly housing defining an aperture therein for receiving said rotary drive, said stop assembly housing being mounted to said actuator housing, said aperture permitting said rotary drive to extend through said stop assembly housing from said actuator housing without one or more couplings in said rotary drive such that said rotary drive is substantially monolithic from said actuator housing and extending through said stop assembly housing.