VALVE WITH LINEAR ACTUATOR Russian patent published in 2012 - IPC F16K1/12 F16K31/53 

FIELD: machine building.

SUBSTANCE: in the valve with linear actuator, which contains the body with flow-through part, inlet and outlet connection pipes, movable control element in the form of a tube with a seat, sealing element, which are located on one axis, linear actuator, actuator stock performing back-and-forth movement, and return spring, the connection of actuator stock to control element is performed by means of a piston-rod that is connected to bell crank representing a gear wheel or its part and forming the engagement with teeth on the surface of control element with possibility of moving the control element towards the sealing element and back. Version of the valve design with additional connection pipe and sealing element is possible.

EFFECT: improving the valve reliability at control of flows of working media containing considerable amount of foreign inclusions.

2 cl, 2 dwg