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:
Sep. 23, 2025
Filed:
Apr. 01, 2020
Mitsubishi Electric Corporation, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A stator includes: a stator core including an annular yoke portion and a plurality of tooth portions formed on an inner side in a radial direction of the yoke portion so as to be arranged at predetermined intervals in a circumferential direction and protrude toward the inner side in the radial direction; and a winding arranged in slots formed between the tooth portions. The stator includes cooling tubes made of a nonconductive material, extending in an axial direction of the stator, and serving as flow paths for a coolant. The cooling tube has a constant outer shape along the axial direction and has a thickness that changes along the axial direction.