METAL-ENCLOSED POLARIZED ELECTROMAGNETIC MECHANISM Russian patent published in 2003 - IPC

FIELD: industrial and domestic service entities. SUBSTANCE: electromagnetic mechanism has magnetic circuit. The latter functions as electromagnet shell and has cylindrical part joined with left- and right-hand flange. The latter are joined to left-and right-hand piles, respectively. Right-hand pile has magnetic shunt. Left-hand one is provided with guiding member. There is also cylindrical armature having inner diameter dv and outer diameter dn. Accelerating spring is disposed in armature interior. Armature is free to fully close inner annular surface of permanent magnet in any position. Mentioned circular permanent magnet is disposed between left- and right-hand control windings. Return spring is provided on rod joined to armature. EFFECT: enhanced speed of electromagnetic mechanism. 1 cl, 1 dwg