Title:
SCROLL COMPRESSOR AND REFRIGERATION CYCLE DEVICE WITH SCROLL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2022/157967
Kind Code:
A1
Abstract:
The scroll compressor comprises a fixed scroll in which a fixed spiral body is formed on a fixed base plate, and a swing scroll in which a swing spiral body is formed on a rocking base plate, and the compressor compresses a refrigerant in a plurality of compression chambers of a compression mechanism unit in which the fixed spiral body and the swing spiral body are combined. The fixed base plate is provided with an intermediate chamber injection port that is opened in a compression chamber with an intermediate pressure between a suction pressure and a discharge pressure, from among the plurality of compression chambers, and supplies a two-phase refrigerant or a supercritical refrigerant that is in a pressure state equal to or higher than a critical pressure, and a suction chamber injection port that opens into a suction chamber provided on the outer peripheral side of the plurality of compression chambers in the compression mechanism unit and supplies a two-phase refrigerant or a liquid refrigerant to the suction chamber.
Inventors:
IMANISHI TOSHIKI (JP)
TATSUWAKI KOHEI (JP)
TATSUWAKI KOHEI (JP)
Application Number:
PCT/JP2021/002413
Publication Date:
July 28, 2022
Filing Date:
January 25, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/02; F04C29/04
Domestic Patent References:
| WO2019087227A1 | 2019-05-09 |
Foreign References:
| JP2012137207A | 2012-07-19 | |||
| JPH1037868A | 1998-02-13 | |||
| JP2010112655A | 2010-05-20 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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