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:
Sep. 11, 2007
Filed:
Jul. 13, 2005
Applicants:
Takashi Baba, Maebashi, JP;
Manabu Okamura, Maebashi, JP;
Sachio Nakayama, Maebashi, JP;
Inventors:
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/04 (2006.01); H02K 1/06 (2006.01); H02K 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The electric power steering apparatus includes a brushless motor as an electric motor. The motor has a rotor and a statorThe statorincludes: a back core BY; a plurality of teeth TS disposed along the circumference of the back core protruding from the back core BY toward its radial center and forming slots SL therebetween; and an exciting coilwound around each of the teeth TS. Each of the slots SL is filled with a resin material. The back core BY is partially press-fitted into a yokeso that the outer surface of the back core BY comes partially into contact with the inner surface of the yokealong their circumferences.