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.

Date of Patent:
Apr. 03, 2018

Filed:

Mar. 14, 2016
Applicant:

Honda Motor Co., Ltd., Tokyo, JP;

Inventors:

Tadashi Yamaguchi, Wako, JP;

Masashi Inoue, Wako, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 21/12 (2006.01); H02K 1/27 (2006.01);
U.S. Cl.
CPC ...
H02K 1/2766 (2013.01); H02K 2213/03 (2013.01);
Abstract

A rotor core has a rotational axis. A permanent magnet has a polygonal shape viewed along the rotational axis. The rotor core includes a magnet insertion hole defined by an inner wall. The polygonal shape includes first to third sides. The magnet insertion hole includes: a first space provided between the first side and the inner wall; a second space provided between the second side and the inner wall; and an injection portion, a first communication portion, and a second communication portion provided between the third side and the inner wall; viewed along the rotational axis. The first communication portion and the second communication portion connect the injection portion to the first space and the second space, respectively. The first communication portion has a first length along the third side. The second communication portion has a second length along the third side which is equal to the first length.


Find Patent Forward Citations

Yamaguchi, Tadashi. (2018). Rotary electric machine rotor (U.S. Patent No. 9935509). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9935509

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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