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:
Apr. 21, 2020

Filed:

May. 27, 2015
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Shiro Iizuka, Tokyo, JP;

Masao Akiyoshi, Tokyo, JP;

Assignee:

Mitsubishi Electric Corporation, Chiyoda-ku, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/06 (2006.01); F04D 29/28 (2006.01); F04D 25/08 (2006.01); F04D 29/32 (2006.01); F04D 25/06 (2006.01);
U.S. Cl.
CPC ...
H02K 9/06 (2013.01); F04D 25/082 (2013.01); F04D 29/281 (2013.01); F04D 29/329 (2013.01); F04D 25/06 (2013.01); H02K 2213/03 (2013.01);
Abstract

A rotor of a vehicle AC generator according to the present invention is the rotor of the vehicle AC generator which includes: magnetic pole cores; a field coil wound around the magnetic pole cores; and cooling fans fixed to the magnetic pole cores. In the rotor of the vehicle AC generator, each cooling fan includes: a base portion fixed to the axial end surfaces of the magnetic pole cores; a plurality of blade portions which are each axially arranged in a standing condition from the base portion; and a base rib which is provided in the base portion at a position apart from each root portion of the plurality of the blade portions and arranged in parallel to the extending direction of the blade portion.


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