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. 22, 2005
Filed:
Sep. 20, 2002
Kouji Masumoto, Tokyo, JP;
Tomoaki Oikawa, Tokyo, JP;
Tsuneyoshi Tajima, Tokyo, JP;
Osamu Kazama, Tokyo, JP;
Masaki Kato, Tokyo, JP;
Toshio Arai, Tokyo, JP;
Takuhito Miyajima, Tokyo, JP;
Hiroyuki Akita, Tokyo, JP;
Kouji Masumoto, Tokyo, JP;
Tomoaki Oikawa, Tokyo, JP;
Tsuneyoshi Tajima, Tokyo, JP;
Osamu Kazama, Tokyo, JP;
Masaki Kato, Tokyo, JP;
Toshio Arai, Tokyo, JP;
Takuhito Miyajima, Tokyo, JP;
Hiroyuki Akita, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A stator iron core of an electric motor including plural magnetic pole segments. Each of the pole segments include a back yoke portion, a teeth portion projected from the back yoke portion, a connection portion provided to the back yoke portion for connecting adjacent magnetic pole segments, and a stepped-shaped notch on an outer circumference of the back yoke portion. Further, the stator iron core is circularly formed by bending the connection portions of the plural magnetic pole segments.