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:
Nov. 17, 2009
Filed:
Jul. 25, 2007
Masatoshi Koumura, Okazaki, JP;
Yoshiki Tan, Anjo, JP;
Akihito Koike, Kariya, JP;
Denso Corporation, Kariya, JP;
Abstract
A vehicle alternator is disclosed having a stator, a rotor, a frame surrounding the stator and the rotor, a bowl-shaped end cover mounted on the frame and defining an electric component-part compartment, a brush unit held in sliding contact with slip rings of a rotary shaft, and a rectifier unit. The rectifier unit includes an insulating terminal block radially extending in face-to-face relation to the one end face of the frame, a positive-side cooling fin carried on one surface of the insulating terminal block, and a negative-side cooling fin carried on the other surface of the insulating terminal block. At least one of the insulating terminal block and the end cover has a heat shield plate member laterally extending through a radial space between the cooling fins and the brush unit in a direction substantially parallel to the axis of the rotary shaft.