Title:
圧縮機
Document Type and Number:
Japanese Patent JP5661955
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a compressor with resistance to demagnetization even when the amount of Dy (dysprosium) contained in a rare-earth magnet used in a motor is reduced.SOLUTION: The compressor includes: a compression element that compresses refrigerant; a 6-pole motor with a rotor using neodymium rare-earth magnet containing iron, neodymium, boron and dysprosium of not more than 4 wt%; a drive circuit that drives the motor and uses a SiC element in a converter.
Inventors:
仁吾 昌弘
馬場 和彦
土田 和慶
下麥 卓也
馬場 和彦
土田 和慶
下麥 卓也
Application Number:
JP2014005755A
Publication Date:
January 28, 2015
Filing Date:
January 16, 2014
Export Citation:
Assignee:
三菱電機株式会社
International Classes:
H02K1/27; F04B39/00; H02K1/02
Attorney, Agent or Firm:
Shoji Mizoi
Mitsutaka Yamaki
Mitsutaka Yamaki