Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COMPRESSOR ELECTRIC MOTOR, COMPRESSOR, AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/199226
Kind Code:
A1
Abstract:
An electric motor 4 is provided with: a stator core 31 formed by laminating a plurality of magnetic steel sheets; a rotor core 11 disposed on the inner side of the stator core 31 and formed by laminating a plurality of magnetic steel sheets; a rotating shaft 2 having one end side inserted into the rotor core 11; and an eccentric portion 2a provided on the other end side of the rotating shaft 2 and disposed within a compression mechanism 60. In the electric motor 4, the length from the center of the rotor core 11 in the shaft direction of the rotor core 11 to an end surface of the rotor core 11 in the shaft direction of the rotor core 11 is shorter than the length from the center of the stator core 31 in the shaft direction of the stator core 31 to an end surface of the stator core 31 in the shaft direction of the stator core 31.

Inventors:
TSUCHIDA, Kazuchika (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2015/066622
Publication Date:
December 15, 2016
Filing Date:
June 09, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02K21/14; F04B39/00
Domestic Patent References:
WO2015019948A12015-02-12
Foreign References:
JP2001349284A2001-12-21
JP2004194489A2004-07-08
JP2010051150A2010-03-04
Other References:
See also references of EP 3309939A4
Attorney, Agent or Firm:
TAKAMURA, Jun (Sakai International Patent Office, Toranomon Mitsui Building 8-1, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
Download PDF: