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. 03, 2015
Filed:
Dec. 21, 2009
Applicants:
Teiichirou Chiba, Hiratsuka, JP;
Tsuyoshi Kobayakawa, Isehara, JP;
Daisuke Yoshida, Hadano, JP;
Inventors:
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/28 (2006.01); H02K 15/06 (2006.01); H02K 1/27 (2006.01);
U.S. Cl.
CPC ...
H02K 3/28 (2013.01); H02K 15/068 (2013.01); H02K 1/2766 (2013.01);
Abstract
An armature of an electric motor includes a core and a winding. The core has a plurality of slots and a plurality of teeth formed between the slots. The winding is composed of a plurality of wires. The winding has a plurality of coil parts and connecting portions. The coil parts are inserted into the slots and wound around and across the teeth. The connecting portions connect the coil parts together. The winding has a twisted shape in the connecting portions.