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. 31, 2023
Filed:
Sep. 18, 2020
Seiko Epson Corporation, Tokyo, JP;
Hidenobu Maruyama, Azumino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
In an axial gap motor including a rotor and a stator placed apart in a direction of a rotation axis with respect to the rotor, the stator is formed by combination of a plurality of divided pieces containing cores and yokes in a circumferential direction of the rotation axis. A first end portion in the circumferential direction of a first divided piece as one of the divided pieces has a convex portion projecting in the circumferential direction and a second end portion of a second divided piece in contact with the first end portion has a concave portion fitted with the convex portion, and the convex portion is provided in a position apart from a side portion of the first divided piece along the circumferential direction in a radial direction.