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.

Date of Patent:
Feb. 26, 2013

Filed:

Jan. 25, 2008
Applicants:

Hiroyuki Kinugawa, Tokyo, JP;

Masafumi Sugawara, Tokyo, JP;

Inventors:

Hiroyuki Kinugawa, Tokyo, JP;

Masafumi Sugawara, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 29/08 (2006.01); H02K 5/08 (2006.01); H02K 3/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

A brushless motor includes an external stator where a magnetic circuit is electrically formed by winding electric wires around an iron core; a bus bar bundling the electric wires and forming an external input terminal; and an internal rotor formed by integrating a permanent magnet and rotatably supported through a bearing with respect to the external stator, wherein an insulation plate is held on one end of the external stator and attached thereto a magnetic pole sensor detecting a magnetic pole of the permanent magnet.


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