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:
Nov. 01, 2011
Filed:
Apr. 25, 2007
Applicants:
Yukinori Nakagawa, Fukui, JP;
Yuichi Yoshikawa, Osaka, JP;
HU LI, Osaka, JP;
Masahiko Morisaki, Fukui, JP;
Yoshio Kobayashi, Fukui, JP;
Inventors:
Yukinori Nakagawa, Fukui, JP;
Yuichi Yoshikawa, Osaka, JP;
Hu Li, Osaka, JP;
Masahiko Morisaki, Fukui, JP;
Yoshio Kobayashi, Fukui, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A Hall element is placed under an outside rotor at an identical angular position to a centerline between two adjacent outer teeth. This structure allows narrowing a dead band of the Hall element when it senses a leakage magnetic flux.