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:
May. 29, 2012
Filed:
Apr. 08, 2008
Yusuke Miyajima, Matsudo, JP;
Yusuke Miyajima, Matsudo, JP;
Mabuchi Motor Co., Ltd., Chiba, JP;
Abstract
A type-A winding represented by a triangle of solid lines is connected to commutator segments such that its one end is connected to an arbitrary commutator segment and its other end is connected to a commutator segment adjacent to the arbitrary commutator segment. A type-B winding represented by a diamond of broken lines is connected to commutator segments such that its one end is connected to a commutator segment located radially opposite to a usual adjacent commutator segment. The type-A windings and the type-B windings are used in combination. One short circuit wire is used for every short circuit connection of radially opposed commutator segments. A total number of the short circuit wires is half (5) the number (10) of commutator segments. Thus, the number of electric wires hooked at every commutator segment can be reduced to two or less. Also, continuous winding by use of one or two wires is possible.