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:
Feb. 09, 2016
Filed:
Jun. 27, 2013
Mitsubishi Electric Corporation, Chiyoda-ku, Tokyo, JP;
Keisuke Shirai, Chiyoda-ku, JP;
Masao Akiyoshi, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
Provided is a vehicle AC generator having a retainer attached on a bearing containing portion of a front bracket, thereby realizing temperature reduction in a bearing without deteriorating the cooling performance as a whole. In the vehicle AC generator, a front brackethas a bearing containing portionsupporting a bearingfitted therein, and an air inletthat is provided along the outer circumference of the bearing containing portionand allows cooling air from a fanto pass therethrough. In addition, a retaineris attached on the bearing containing portion, so as to cover the bearing. The retainerhas a planar shape, and has a finas a surface area increasing portion for increasing an area of contact with the cooling air, formed at a position facing to and outside the air inletin the shaft direction.