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Patent Searching and Data


Title:
ELECTRIC COMPRESSOR AND REFRIGERATION/AIR–CONDITIONING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/083981
Kind Code:
A1
Abstract:
An electric compressor (3) according to the present invention comprises a compression mechanism section (33) that compresses a refrigerant, and an electric motor (24) that drives the compression mechanism section (33), inside a sealed container (25). The electric compressor (3) is characterized in that the refrigerant contains 20 mass% or more of hydrofluoroolefin, and in that refrigerator oil stored in the sealed container (25) contains polyvinylether as base oil, 0.1 mass% or more and 2.0 mass% or less of an alicyclic epoxy compound with respect to the base oil, 0.1 mass% or more and 2.0 mass% or less of an aliphatic epoxy compound with respect to the base oil, and 0.1 mass% or more and 2.0 mass% or less of tertiary phosphate with respect to the base oil.

Inventors:
OOTA RYOU (JP)
AKATA HIROYUKI (JP)
YOSHIDA YASUTAKA (JP)
NAITO KOJI (JP)
UEDA HIDEYUKI (JP)
Application Number:
JP2017/037643
Publication Date:
May 11, 2018
Filing Date:
October 18, 2017
Export Citation:
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Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (JP)
International Classes:
F04B39/00; C09K5/04; C10M107/24; C10M129/18; C10M129/68; C10M137/04; F04B39/02; F04C18/02; F04C29/00; F25B1/00; C10N30/00; C10N40/02; C10N40/30
Domestic Patent References:
WO2016140187A12016-09-09
WO2008105256A12008-09-04
WO2015140869A12015-09-24
Foreign References:
JP2008208262A2008-09-11
Other References:
See also references of EP 3536954A4
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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