Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/042289
Kind Code:
A1
Abstract:
This refrigeration cycle device comprises: a compressor that compresses and discharges a refrigerant; a first heat exchanger into which the refrigerant discharged from the compressor flows; an expansion valve that expands the refrigerant flowing from the first heat exchanger; a second heat exchanger having a plurality of heat exchanger tubes and a header that distributes the refrigerant to the plurality of heat exchanger tubes; a first refrigerant pipe that connects the expansion valve and the refrigerant inlet of the header; a second refrigerant pipe that connects the second heat exchanger and the refrigerant suction port of the compressor; a bypass circuit that has a bypass inlet connected to the header at a different position from the refrigerant inlet and a bypass outlet connected to the second refrigerant pipe; a bypass valve that is provided in the bypass circuit and lowers the pressure of the refrigerant in the bypass circuit below the pressure of the refrigerant in the header; and a refrigerant circuit accessory that circulates vapor-phase refrigerant from the bypass circuit to the bypass outlet.
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Inventors:
YANACHI SATORU (JP)
BARADA NAOKI (JP)
BARADA NAOKI (JP)
Application Number:
PCT/JP2021/033853
Publication Date:
March 23, 2023
Filing Date:
September 15, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F25B39/02; F25B1/00
Domestic Patent References:
| WO2016017430A1 | 2016-02-04 | |||
| WO2020235030A1 | 2020-11-26 |
Foreign References:
| JP2019163893A | 2019-09-26 | |||
| JP2015218939A | 2015-12-07 | |||
| JP2008057856A | 2008-03-13 | |||
| JP2006097911A | 2006-04-13 | |||
| JP2009133593A | 2009-06-18 | |||
| JPH09145167A | 1997-06-06 | |||
| JPS5998242U | 1984-07-03 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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