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.

Date of Patent:
Jun. 12, 2012

Filed:

Aug. 21, 2009
Applicant:

Hiroshi Hamada, Anjo, JP;

Inventor:

Hiroshi Hamada, Anjo, JP;

Assignee:

Denso Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/27 (2006.01); H02K 1/28 (2006.01); H02K 15/03 (2006.01);
U.S. Cl.
CPC ...
Abstract

An automotive alternator includes a magnet holder that is composed of first and second magnet holder pieces. Each of the first and second magnet holder pieces is made of a nonmagnetic metal plate to have a one-piece structure. Each of the first and second magnet holder pieces includes a plurality of receiving portions, each of which receives a permanent magnet, and a plurality of connecting portions. All the receiving portions of the first magnet holder piece have the same orientation. Each of the connecting portions of the first magnet holder piece connects a circumferentially-adjacent pair of the receiving portions of the first magnet holder piece. All the receiving portions of the second magnet holder piece have the same orientation. Each of the connecting portions of the second magnet holder piece connects a circumferentially-adjacent pair of the receiving portions of the second magnet holder piece.


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