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:
May. 06, 2008
Filed:
Oct. 04, 2005
Kenichi Hattori, Hitachi, JP;
Kazuhiko Takahashi, Hitachi, JP;
Kazumasa Ide, Hitachiota, JP;
Takashi Shibata, Hitachi, JP;
Takashi Watanabe, Hitachi, JP;
Kenichi Hattori, Hitachi, JP;
Kazuhiko Takahashi, Hitachi, JP;
Kazumasa Ide, Hitachiota, JP;
Takashi Shibata, Hitachi, JP;
Takashi Watanabe, Hitachi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An armature winding includes a plurality of strand groups each having strands transposed and bound in at least two rows and multiple tiers, and a main insulator for covering the strand group. The strands belonging to a strand group on one side of a central strand group has a cross-sectional area smaller than that of the control strand group, and the strands belonging to the strand group on the other side of the central strand group has a cross-sectional area larger than that of the central strand group.