The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 05, 2021
Filed:
Nov. 02, 2016
Mitsubishi Electric Corporation, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A rotary electric machine includes: a floored cylindrical case in which an opening at a first end of a cylindrical portion is closed by a floor portion; a stator that includes: an annular stator core that is held inside the case by being fitted together with and fixed to the cylindrical portion; and coils that are mounted to the stator core; a frame that closes an opening at a second end of the cylindrical portion; and a rotor that is fixed to a rotating shaft, and that is disposed on an inner circumferential side of the stator, wherein: a first stress relieving indented portion is formed around an entire circumference at a first end of an inner circumferential surface of the cylindrical portion such that a gap is formed between a first end portion of an outer circumferential surface of the stator core and the cylindrical portion.