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:
Feb. 21, 2023
Filed:
May. 25, 2021
Nidec Corporation, Kyoto, JP;
Quang Danh Ho, Kyoto, JP;
Yuhei Yamaguchi, Kyoto, JP;
NIDEC CORPORATION, Kyoto, JP;
Abstract
Provided is a motor including: a rotor, a stator, a first and second bearing, a support member, a housing including a first flat part and a cylindrical part, and a bearing holder. The cylindrical part includes: a first inner circumferential surface inside which is provided the stator; a second inner circumferential surface, a distance from the second inner circumferential surface to a central axis being greater than a distance from the first inner circumferential surface to the central axis, and the second inner circumferential surface contacting an outer circumferential surface of the bearing holder; and a stepped surface, connecting the first and the second inner circumferential surfaces, and contacting a lower surface of the bearing holder. The housing further includes a riveting part located on the second inner circumferential surface of the cylindrical part and fixing the bearing holder to the second inner circumferential surface of the cylindrical part.