The magnetic flux core, the stator core and the stator

摘要

A compacted concentrator according to the present invention is a compacted concentrator for use in an axial gap type rotary electric machine having a fan-shaped yoke portion and a tooth portion integrally formed with the yoke portion and protruding from the yoke portion, The teeth forming surface has a concave portion formed between a peripheral edge of the tooth portion and a peripheral edge of the yoke portion when the surface on which the tooth portion protrudes is a tooth forming surface.