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. 09, 2011
Filed:
Aug. 22, 2007
Masaya Inoue, Tokyo, JP;
Kouki Naka, Tokyo, JP;
Hiroyuki Akita, Tokyo, JP;
Kanji Shinkawa, Tokyo, JP;
Yoshinori Miyamoto, Tokyo, JP;
Toshiyuki Yoshizawa, Tokyo, JP;
Haruyuki Kometani, Tokyo, JP;
Masaya Inoue, Tokyo, JP;
Kouki Naka, Tokyo, JP;
Hiroyuki Akita, Tokyo, JP;
Kanji Shinkawa, Tokyo, JP;
Yoshinori Miyamoto, Tokyo, JP;
Toshiyuki Yoshizawa, Tokyo, JP;
Haruyuki Kometani, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An automotive generator that includes a Lundell rotor. First and second protruding portions are disposed so as to project from inner wall surfaces of portions of first and second yoke portions at root portions of first and second claw-shaped magnetic pole portions, and first and second recess portions are recessed into inner wall surfaces of portions of the first and second yoke portions that face the second and first protruding portions. In addition, a shape of a region in which the field coil is disposed is configured into a wave shape that has a cross-sectional shape in a plane that includes a central axis of the pole core that is approximately constant in a circumferential direction and that zigzags alternately in an axial direction at positions of each of the first and second claw-shaped magnetic pole portions.