Title:
Electric motor
Document Type and Number:
Japanese Patent JP6051129
Kind Code:
B2
Abstract:
An object of the present invention is to provide an electric motor which can prevent electric noise generated from a contact between a brush and a commutator from being radiated and diffused to the outside. An electric motor comprises: an armature shaft 28; a coil 29b attached to the armature shaft 28; a commutator 30 attached to the armature shaft 28, and electrically connected to the coil 29b; a brush through which an electric current is supplied to the commutator 30; a conductive shaft bearing 35 configured to rotatably support the armature shaft 28; a yoke 26 incorporated with the shaft bearing 35, and electrically connected to a ground conductor; a conductive shaft bearing 34 arranged in a direction along a center line of the armature shaft 28, different in position from the shaft bearing 35, and configured to rotatably support the armature shaft 28; and a contact plate 51 electrically connected to the shaft bearing 34, and electrically connected to the ground conductor.
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Inventors:
Yuichi Takamura
Masaya Ota
Toyohisa Harada
Susumu Okochi
Listener werner
Mayer Bernhard
Masaya Ota
Toyohisa Harada
Susumu Okochi
Listener werner
Mayer Bernhard
Application Number:
JP2013185085A
Publication Date:
December 27, 2016
Filing Date:
September 06, 2013
Export Citation:
Assignee:
Mitsuba Co., Ltd.
Webasto SE
Webasto SE
International Classes:
H02K5/16; H02K23/00
Domestic Patent References:
| JP2010057298A | ||||
| JP58019140A | ||||
| JP2007089388A | ||||
| JP2012222942A | ||||
| JP5244751A | ||||
| JP2001320849A | ||||
| JP1268436A |
Attorney, Agent or Firm:
Yamato Tsutsui
Yoshitaka Kozuka
Akiko Tsutsui
Yoshitaka Kozuka
Akiko Tsutsui