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Title:
ELECTRIC MOTOR AND AIR-CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2016/203609
Kind Code:
A1
Abstract:
A rotor (20) of this electric motor is provided with a rotor magnet (10) which is formed around a rotor shaft (1) integrally with the rotor shaft (1), and a position detection magnet (11) which is attached to one axial end of the rotor magnet (10). The rotor magnet (10) comprises a pedestal (7) provided on the end facing the position detection magnet (11) and a protrusion (5) provided on the pedestal (7) and provided with a gate (6) for molding. On the other end of the rotor magnet (10), a concave portion (16) is provided which is used for positioning in a molding step or a magnetization step.

Inventors:
ISHII, Hiroyuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
OIKAWA, Tomoaki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
YAMAMOTO, Mineo (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
ASO, Hiroki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
OYA, Junichiro (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
URABE, Yuto (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
SHIMOKAWA, Takaya (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
SHIBAYAMA, Katsumi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2015/067598
Publication Date:
December 22, 2016
Filing Date:
June 18, 2015
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02K11/00; H02K21/16
Foreign References:
JP2001119876A2001-04-27
JP2011061936A2011-03-24
JP2003174745A2003-06-20
JP2013104451A2013-05-30
JP2009158153A2009-07-16
Attorney, Agent or Firm:
TAKAMURA, Jun (Sakai International Patent Office, Toranomon Mitsui Building 8-1, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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