Patent ID: 9444293
Filing Date: 2016-09-13
CPC Classification: H02K

Claim Text:
1. A rotary electric machine comprising: a housing; a cylindrical stator core holding frame that is cantilevered on the housing; a cylindrical stator core that comprises plurality of segmented cores that are disposed in an annular shape, and that is held by being fitted inside the stator core holding frame; and a rotor that is rotatably disposed inside the stator core, wherein: the stator core holding frame comprises: a flange portion that is fixed to the housing; and a frame cylindrical portion that is coupled to the flange portion, and that holds the stator core; a thickness of the flange portion is greater than a thickness of the frame cylindrical portion; a first sealing portion is disposed between the flange portion and the housing; a second sealing portion is disposed between the frame cylindrical portion and the housing; a refrigerant flow channel for passage of a refrigerant is formed between an outer circumferential surface of the frame cylindrical portion and an inner circumferential surface of the housing between the first sealing portion and the second sealing portion; the frame cylindrical portion comprises: a frame cylindrical portion main body that holds the stator core; and an interfitting portion that is disposed on an axial end portion near the flange portion, and that is fitted together with the flange portion; and an inside diameter of the interfitting portion is larger than an inside diameter of the frame cylindrical portion main body.