Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
AC GENERATOR FOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2010/103634
Kind Code:
A1
Abstract:
An AC generator for vehicle comprises a rotor (1) provided, in the circumferential direction thereof, with a plurality of magnetic poles (113) shaped to suppress unhysteresis and including a field winding (112), a stator (2) arranged through an air gap to the rotor (1), and a semiconductor element for rectifying an AC current induced in a coil (105) wound around the stator (2) by feeding a current through the field winding (112) of the rotor (1) and converting the AC current into a DC current, wherein the stator (2) is formed by laminating electromagnetic steel plates and the resistance of the coil (105) wound around the stator (2) is set at a predetermined value or less.

Inventors:
ISHIKAWA, Yoshihisa (HITACHI LTD. 6-6, Marunouchi 1-chome, Chiyodak, Tokyo 80, 10082, JP)
石川 芳壽 (〒80 東京都千代田区丸の内一丁目6番1号 株式会社日立製作所研究開発本部内 Tokyo, 10082, JP)
MIYATA, Kenji (HITACHI LTD. 1-1, Omika-cho 7-chome, Hitachi-sh, Ibaraki 92, 31912, JP)
宮田 健治 (〒92 茨城県日立市大みか町七丁目1番1号 株式会社日立製作所日立研究所内 Ibaraki, 31912, JP)
Application Number:
JP2009/054681
Publication Date:
September 16, 2010
Filing Date:
March 11, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 10082, JP)
株式会社 日立製作所 (〒80 東京都千代田区丸の内一丁目6番6号 Tokyo, 10082, JP)
ISHIKAWA, Yoshihisa (HITACHI LTD. 6-6, Marunouchi 1-chome, Chiyodak, Tokyo 80, 10082, JP)
石川 芳壽 (〒80 東京都千代田区丸の内一丁目6番1号 株式会社日立製作所研究開発本部内 Tokyo, 10082, JP)
MIYATA, Kenji (HITACHI LTD. 1-1, Omika-cho 7-chome, Hitachi-sh, Ibaraki 92, 31912, JP)
International Classes:
H02K19/22
Foreign References:
JP2009038843A
JP2001112197A
JP2003134763A
JPH09327161A
JP2007221961A
Attorney, Agent or Firm:
NAGAI, Fuyuki (Fukoku Seimei Building 2-2-2, Uchisaiwaicho, Chiyoda-k, Tokyo 11, 10000, JP)
Download PDF: