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Title:
ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2015/033913
Kind Code:
A1
Abstract:
Provided is an electric motor that can suppress emission to the surrounding environment of electric noise generated at a contact section between a brush and a commutator. The electric motor is characterized by comprising: 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); brushes that supply current to the commutator (30); a conductive bearing (35) that rotatably supports the armature shaft (28); a yoke (26) having the bearing (35) assembled therein and connected to a ground; a conductive bearing (34) that rotatably supports the armature shaft (28) and is arranged at a position different from the bearing (35) in a direction along the center line of the armature shaft (28); and a contact plate (51), a ground terminal (50), and the yoke (26) that are electrically connected to the bearing (34) and are connected to the ground.

Inventors:
TAKAMURA, Yuichi (2681 Hirosawacho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
OTA, Masaya (2681 Hirosawacho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
HARADA, Toyohisa (2681 Hirosawacho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
OKOCHI, Susumu (2681 Hirosawacho 1-chome, Kiryu-sh, Gunma 55, 〒3768555, JP)
LISSNER, Werner (Oberbrunner Str. 2, Starnberg, 82319, DE)
MEIER Bernhard (Am Brunnen 26, Kirchheim, 85551, DE)
Application Number:
JP2014/073013
Publication Date:
March 12, 2015
Filing Date:
September 02, 2014
Export Citation:
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Assignee:
MITSUBA CORPORATION (2681, Hirosawacho 1-chome Kiryu-sh, Gunma 55, 〒3768555, JP)
WEBASTO SE (Kraillinger Str. 5, Stockdorf, 82131, DE)
International Classes:
H02K5/16; H02K23/00
Foreign References:
JP2010057298A2010-03-11
JPS5819140A1983-02-04
JP2007089388A2007-04-05
JP2012222942A2012-11-12
JPH05244751A1993-09-21
JP2001320849A2001-11-16
JPH01268436A1989-10-26
Attorney, Agent or Firm:
TSUTSUI, Yamato et al. (Tsutsui & Associates, 3F Shinjuku Gyoen Bldg. 3-10, Shinjuku 2-chome, Shinjuku-k, Tokyo 22, 〒1600022, JP)
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