Title:
COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/130550
Kind Code:
A1
Abstract:
This compressor is provided with a sealed container, a compression mechanism unit, an electric motor, and an injection pipe, the electric motor including a stator and a rotor, at least one of the stator or the rotor including a magnetic steel sheet and an aluminum wire, and is provided with a computation device which includes: a resistance measurement unit which measures the electric resistance of the aluminum wire during a stop of the compressor; a temperature conversion unit which converts the resistance value measured by means of the resistance measurement unit into a temperature of the aluminum wire; and a restrained energization unit which, when the temperature of the aluminum wire obtained by the conversion by the temperature conversion unit has dropped to a first threshold value, subjects the aluminum wire to restrained energization for heating.
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Inventors:
MASUMOTO KOJI (JP)
UNO RYOHEI (JP)
NAKAGAWA YUSUKE (JP)
UNO RYOHEI (JP)
NAKAGAWA YUSUKE (JP)
Application Number:
PCT/JP2017/047246
Publication Date:
July 04, 2019
Filing Date:
December 28, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04B39/00; F04C29/04; F04B39/06; F04C29/00
Foreign References:
JP2003184775A | 2003-07-03 | |||
JP2012057586A | 2012-03-22 | |||
JP2010166643A | 2010-07-29 | |||
JP2013096602A | 2013-05-20 | |||
JP2015127621A | 2015-07-09 | |||
US20110070100A1 | 2011-03-24 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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