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. 01, 2017
Filed:
May. 09, 2014
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Kadek Fendy Sutrisna, Yokohama, JP;
Hiroaki Ishizuka, Tokyo, JP;
Masashi Okubo, Kawasaki, JP;
Toshiyuki Aso, Machida, JP;
Takashi Ueda, Yokohama, JP;
Kazuma Tsujikawa, Kawasaki, JP;
Hideyuki Hachiya, Tokyo, JP;
Daisuke Hiramatsu, Tokyo, JP;
Toru Otaka, Kawasaki, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
According to one embodiment, there is provided armature windings of a rotating electrical machine, in which a 3-phase winding of two layers including upper and lower layers is constituted of phase belts having an electrical phase difference of 60° in between, pairs of upper coil pieces and lower coil pieces are contained in slots, the number of slots per pole per phase includes a fractional number, and a denominator thereof is an integral number greater than or equal to 4, wherein coil arrangement is carried out such that at least one coil piece in either of the upper or lower coil pieces included in two layers of upper and lower layers in one phase belt is replaced with a coil piece of an adjacent different phase.