SOLENOID-OPERATED VALVE Russian patent published in 1994 - IPC

FIELD: shut-off valves. SUBSTANCE: magnetic core of permanent magnet has a central hole and is divided into two parallel branches having, each, a shunt. Gate is provided with extension and is secured on it by magnetic washer functioning as a permanent magnet armature and shunting of said two branches when the gate is closed. Installed in central hole of magnetic core is a cylindrical magnetic flow distributor made from magnetoconducting nonconducting parts, rigidly secured on electromagnet rod with a provision for closing when the shunt coil is turned off in the branch shunted by washer, and for opening the second shunt when the coil is energized - opening the shunt in the washer-shunted branch, and closing the second shunt. EFFECT: improved design. 1 dwg