ELECTROMAGNETIC VALVE Russian patent published in 2012 - IPC F16K31/02 F16K31/54 F16K1/12 

FIELD: machine building.

SUBSTANCE: electromagnetic valve includes body with flow-through part, inlet and outlet connection pipes, movable control element in the form of a tube with a seat, sealing element, located on one axis, electromagnetic actuator, armature performing back-and-forth movement, and return spring. Armature is connected to control element by means of in-series connected screw mechanism and engagement formed with screw teeth, connected to armature, and teeth formed on surface of control element, with possibility of movement of control element to and back from sealing element. Beside control element, electromagnetic actuator, armature and return spring are separated from flow-through part of the valve body by means of disconnecting element.

EFFECT: improving operating reliability of electromagnetic valve at control of working media flows with considerable content of impurities, including magnetic ones, and increasing its repairability.

3 cl, 4 dwg