Patent ID: 9070501
Filing Date: 2015-06-30
Classification: H01F,H01H,Y10T

Abstract:
1. An electromagnet device comprising: an electromagnet block comprising an iron core being wound by a coil and an auxiliary yoke fixed to one end portion of the iron core; a yoke connected to the one end portion of the iron core via a permanent magnet; a movable iron piece having a pivoting shaft center, the movable iron piece being pivotally disposed at an end face edge portion of the yoke with the pivoting shaft center supported by and disposed in pivotal contact with the end face edge portion of the yoke, the movable iron piece being adapted to pivot on a basis of magnetization and demagnetization of the electromagnet block; and a connection portion disposed so as to connect the yoke with the auxiliary yoke; wherein the permanent magnet located on an extension line of an axial center of the iron core and interposed between the auxiliary yoke and the yoke.