Patent ID: 8823240

Claim:
A stator, comprising: a stator core having an almost annular outer core and an inner core arranged inside of the outer core, and a bobbin having a cylindrical body part around which a winding wire is wound and a flange part that is formed so as to rise up from the cylindrical body part, with a plurality of bent parts and free end parts, wherein the inner core radially protrudes towards the outside with an equal gap when viewed from the center of a circle of the outer core and has teeth with an outer edge part abutting the inner periphery of the outer core, the cylindrical body part is inserted into the teeth such that the flange part becomes outward, the plurality of bent parts includes a first bent part formed between the cylindrical body part and the flange part and a second bent part formed closer to a free end part side than the first bent part, on the inner periphery of the outer core, a projection is formed protruding inside, with the projection on both sides of an outside edge part of the teeth and located between the first bent part and second bent part of the bobbin.