Patent ID: 9024714
Filing Date: 2015-05-05
Classification: H01F

Abstract:
1. A static apparatus, comprising: an iron core which includes a plurality of magnetic plates stacked in one direction and in which a shaft portion having a main surface and a side surface is formed; and a coil wound around said shaft portion, said main surface being opposed to an inner peripheral surface of said coil in a stacking direction of said plurality of magnetic plates, said side surface being opposed to said inner peripheral surface in a direction perpendicular to said stacking direction to connect said main surface, slits extending in an axial direction of said shaft portion being formed in at least a surface layer magnetic plate, from among said plurality of magnetic plates, constituting said main surface, wherein said slits are arranged in parallel within said main surface when viewed in a plan view, and arranged such that an interval between said slits in narrower at an end portion close to said side surface than that at a central portion within said main surface.