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:
Dec. 29, 2009
Filed:
May. 25, 2007
Applicants:
Noboru Niguchi, Kashihara, JP;
Naotake Kanda, Yamatokoriyama, JP;
Inventors:
Noboru Niguchi, Kashihara, JP;
Naotake Kanda, Yamatokoriyama, JP;
Assignee:
JTEKT Corporation, Osaka-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 21/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A brushless motor including a rotor which has ten permanent magnets each containing rare earth neodymium and provided around a rotor yoke and an outside diameter of 45 mm to 55 mm, and a stator which has a stator core having twelve slots and an outside diameter of 75 mm to 85 mm and whose magnetomotive force at maximum current is 700 AT or more. The stator core is configured such that a teeth width b is 0.14 times or more of the outside diameter of the rotor.