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.:

US 7405504 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 29, 2008

Filed:

Sep. 13, 2005
Applicants:

Minoru Arimitsu, Kanagawa, JP;

Kan Akatsu, Tokyo, JP;

Inventors:

Minoru Arimitsu, Kanagawa, JP;

Kan Akatsu, Tokyo, JP;

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

A rotor for a rotary electric machine includes a rotor core made of magnetic material, and being in the form of a disk, and a plurality of magnet sets each including a pair of permanent magnets whose polarities are identical to each other. The magnet sets are arranged circumferentially in the rotor core so that the polarities of the magnet sets change alternately. The rotor core includes nonmagnetic portions each formed between adjacent two of the magnet sets.


Find Patent Forward Citations

Arimitsu, Minoru. (2008). Rotor for rotary electric machine (U.S. Patent No. 7405504). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7405504

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

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