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:
Mar. 07, 1995
Filed:
Jul. 28, 1993
Applicant:
Inventors:
Masayuki Shinto, Sabae, JP;
Hiroshi Dohi, Katano, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310156 ; 310 51 ;
Abstract
In a brushless motor having a stator with windings mounted in plural slots and a rotor with a permanent magnet consisting of plural poles, the poles have two kinds of occupation angles on the whole in the rotating direction of the rotor, and a difference between the two occupation angles is equal to one slot-pitch.