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:
Mar. 22, 2011
Filed:
Feb. 27, 2008
Kazuhiko Takahashi, Hitachi, JP;
Masami Sukeda, Takahagi, JP;
Mitsuru Saeki, Hitachinaka, JP;
Kenichi Hattori, Hitachiota, JP;
Kazuhiko Takahashi, Hitachi, JP;
Masami Sukeda, Takahagi, JP;
Mitsuru Saeki, Hitachinaka, JP;
Kenichi Hattori, Hitachiota, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A rotary electric machine according to present invention comprises a rotor and a stator disposed around the rotor in which the stator includes a stator core having, along its inner periphery region, a plurality of axially extending stator slots and an armature winding wound through the stator slots. In this rotary electric machine, each stator slot contains four radially layered armature bars; each armature winding is formed by electrically connecting at least one of the armature bars in a first slot and at least one of the armature bars in a second slot to each other; and the armature bars of a pair specified in accordance with a required output voltage of the rotary electric machine are connected to each other with a connecting piece.