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:
Jul. 07, 2015
Filed:
Aug. 13, 2010
Toshio Ishikawa, Hitachinaka, JP;
Yosuke Umesaki, Hitachinaka, JP;
Mitsuaki Izumi, Hitachinaka, JP;
Naoyuki Taguchi, Hitachinaka, JP;
Tsuyoshi Harada, Hitachinaka, JP;
Toshio Ishikawa, Hitachinaka, JP;
Yosuke Umesaki, Hitachinaka, JP;
Mitsuaki Izumi, Hitachinaka, JP;
Naoyuki Taguchi, Hitachinaka, JP;
Tsuyoshi Harada, Hitachinaka, JP;
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;
Abstract
A vehicle AC generator includes a stator having stator windings; front frame and rear frame, each rotatably supporting a rotor; a cooling fan fitted to the rotor; first polarity arm and second polarity arm configured to rectify currents of one polarity and another polarity, respectively; a rectifier device configured to rectify an alternating current generated in the stator windings; and a protective cover covering the rectifier device. The rectifier device includes a first heat dissipating plate having rectifier elements forming the first polarity arm, a second heat dissipating plate rectifier elements forming the second polarity arm, and a connection plate formed in waveform-like shape and disposed between the first and second heat dissipating plates, and a passage of a cooling air blown by the cooling fan formed between the first and second heat dissipating plates and between the second heat dissipating plate and the connection plate.