Title:
REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/166951
Kind Code:
A1
Abstract:
The present invention comprises: a compressor (11) that compresses and discharges refrigerant; a first condenser (12) and a second condenser (15) that condense the refrigerant through heat exchange; an evaporator (20) that evaporates the refrigerant through heat exchange; a first expansion valve (14) that decompresses and expands the refrigerant flowing into the second condenser; a second expansion valve (19) that decompresses and expands the refrigerant flowing into the evaporator; a refrigerant path switching unit (17, 23) that switches between a first circulation path in which the refrigerant circulates in the order of the compressor, the first condenser, the first expansion valve, the second condenser, the second expansion valve, the evaporator, and the compressor, and a second circulation path in which the refrigerant circulates in the order of the compressor, the first condenser, the second expansion valve, the evaporator, and the compressor; and a control unit (40) that performs dryness increase control to increase the dryness of the refrigerant in the second condenser when switching from the first circulation path to the second circulation path.
Inventors:
TAKEICHI KOTA (JP)
KAMI YUICHI (JP)
SUGIMURA KENGO (JP)
KAMI YUICHI (JP)
SUGIMURA KENGO (JP)
Application Number:
PCT/JP2023/004540
Publication Date:
September 07, 2023
Filing Date:
February 10, 2023
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
B60H1/22; F25B6/04
Domestic Patent References:
| WO2022024721A1 | 2022-02-03 |
Foreign References:
| JP2022033453A | 2022-03-02 | |||
| JP2018077020A | 2018-05-17 |
Attorney, Agent or Firm:
KAI-SEI PATENT FIRM (JP)
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