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:
Aug. 07, 2012
Filed:
Jun. 22, 2010
Applicants:
Hiromichi Hiramatsu, Yokohama, JP;
Seiichi Baba, Kamakura, JP;
Toru Sakai, Chiba, JP;
Takeshi Abe, Narashino, JP;
Kazuhide Ebine, Narashino, JP;
Inventors:
Hiromichi Hiramatsu, Yokohama, JP;
Seiichi Baba, Kamakura, JP;
Toru Sakai, Chiba, JP;
Takeshi Abe, Narashino, JP;
Kazuhide Ebine, Narashino, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide a well balanced squirrel-cage rotor for an electric motor, quantities of braze used to bond various rotor components are different from each other so as to serve as balance weight in order to improve balance.