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:
Apr. 04, 2017
Filed:
Mar. 09, 2012
Applicants:
Kazunori Tanaka, Tokyo, JP;
Toshiyuki Oonishi, Tokyo, JP;
Inventors:
Kazunori Tanaka, Tokyo, JP;
Toshiyuki Oonishi, Tokyo, JP;
Assignee:
Mitsubishi Electric Corporation, Chiyoda-ku, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K 5/18 (2006.01); H02K 11/04 (2016.01); H02K 11/00 (2016.01); F28F 7/00 (2006.01); H02K 9/00 (2006.01);
U.S. Cl.
CPC ...
H02K 9/00 (2013.01); H02K 11/046 (2013.01); H02K 5/18 (2013.01); H02K 2209/00 (2013.01);
Abstract
In order to prevent poor operability caused by entanglement of the fins in the heat sink during assembly without a drop in the cooling efficiency of the cooling flow along a rotation shaft, a plurality of finsof the heat sink in a vehicle AC generatoris constituted by fin groupsin which fins are aligned in parallel in one direction, and an entanglement preventing portionis disposed only on the respective outer side surfaces of a pair of outermost fins.