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. 14, 2006
Filed:
Dec. 27, 2000
Applicants:
Takashi Yasuhara, Tokyo, JP;
Toshiaki Ueda, Tokyo, JP;
Takeyuki Watanabe, Tokyo, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 17/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Conductor barsand end ringsof a rotorof a rotary electric machine are made of an aluminum material. The end ringsare electrically and mechanically joined to the opposite ends of the conductor barswith friction stir welding.