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:
Aug. 02, 2005
Filed:
Apr. 23, 2003
Applicants:
Susumu Tajima, Hitachinaka, JP;
Shinji Yamazaki, Hitachinaka, JP;
Wasei Horioka, Hitachinaka, JP;
Masahiko Honma, Kanasagou, JP;
Inventors:
Susumu Tajima, Hitachinaka, JP;
Shinji Yamazaki, Hitachinaka, JP;
Wasei Horioka, Hitachinaka, JP;
Masahiko Honma, Kanasagou, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K001/22 ; H02K009/00 ;
U.S. Cl.
CPC ...
Abstract
The rotor of a vehicle alternator can firmly fasten the permanent magnets between claw-shaped magnetic poles. The rotor includes a Lundell type iron core having claw-shaped magnetic poles which are alternately arranged and opposed each other and include a centered cylindrical field winding, and a permanent magnet disposed between the claw-shaped magnetic poles for increasing the magnetic field. The permanent magnet is held by radial elastic force.