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:
Feb. 04, 2014
Filed:
Apr. 09, 2013
Tatsuyuki Saito, Kiryu, JP;
Ryuichi Takakusagi, Kiryu, JP;
Toshiyuki Kimura, Kiryu, JP;
Yoshichika Kawashima, Kiryu, JP;
Kenji Sakata, Kiryu, JP;
Tatsuyuki Saito, Kiryu, JP;
Ryuichi Takakusagi, Kiryu, JP;
Toshiyuki Kimura, Kiryu, JP;
Yoshichika Kawashima, Kiryu, JP;
Kenji Sakata, Kiryu, JP;
Mitsuba Corporation, Gunma-ken, JP;
Abstract
Disclosed is an electric motor including a yoke formed in a bottomed cylindrical shape; permanent magnets arranged on an inner peripheral surface of the yoke; an armature including a rotary shaft journalled on the yoke, an armature core formed with a plurality of teeth and fixed onto the rotary shaft, an armature coil wound around the teeth of the armature core, a commutator having a plurality of segments and being fixed onto the rotary shaft, and a connecting wire connecting two segments arranged to face each other back to back around the rotary shaft, the armature being surrounded by the permanent magnets and accommodated within the yoke; and a first brush, a second brush, and a third brush coming into sliding contact with the segments of the commutator of the armature.