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:
Oct. 26, 2004

Filed:

Sep. 08, 2003
Applicant:
Inventors:

Shigenobu Nakamura, Anjo, JP;

Kouchi Ihata, Okazaki, JP;

Motoki Ito, Oobu, JP;

Assignee:

Denso Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/100 ;
U.S. Cl.
CPC ...
H02K 1/100 ;
Abstract

A small-diameter fin and a large-diameter fin, each extending in a direction normal to an axial direction of a rotor, are disposed at both sides of a terminal base so as to be overlapped in the axial direction of the rotor. The small-diameter fin is disposed far from the rotor compared with the large-diameter fin. The small-diameter fin is provided with a plurality of independent ribs each protruding in the axial direction of the rotor and extending in a radial direction of the rotor from or along an opening periphery of the receiving hole of the rectifying element.


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