Title:
COMPOSITE HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2023/182219
Kind Code:
A1
Abstract:
A composite heat exchanger (HEX) is applied to a vapor compression type refrigeration cycle (10) including a compressor (11), a pressure reducing unit (16) for reducing the pressure of a high-pressure refrigerant discharged from the compressor, and an evaporator (17) which causes low-pressure refrigerant having a pressure that has been reduced by the pressure reducing unit to exchange heat with a first heat medium and evaporate. The composite heat exchanger comprises: a condensing unit (12); a liquid storage unit (13) for temporarily storing a high-pressure liquid refrigerant; a supercooling unit (14) for causing the high-pressure liquid refrigerant to exchange heat with a second heat medium to supercool the high-pressure liquid refrigerant; and an internal heat exchanging unit (15) for causing the high-pressure liquid refrigerant that has passed through the supercooling unit to exchange heat with the low-pressure refrigerant. The condensing unit, the supercooling unit, and the internal heat exchanging unit are configured as an integral structure (ST) by joining the same together by means of a prescribed joining element.
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Inventors:
HIRAYAMA JUNKI (JP)
OKAMURA TORU (JP)
MAKIMOTO NAOYA (JP)
KAWANO HIROAKI (JP)
MUTO NAITO (JP)
KATO YOSHIKI (JP)
OKAMURA TORU (JP)
MAKIMOTO NAOYA (JP)
KAWANO HIROAKI (JP)
MUTO NAITO (JP)
KATO YOSHIKI (JP)
Application Number:
PCT/JP2023/010646
Publication Date:
September 28, 2023
Filing Date:
March 17, 2023
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
F25B39/04; F28F3/08; F28F9/26
Domestic Patent References:
| WO2021100409A1 | 2021-05-27 |
Foreign References:
| JP2016003828A | 2016-01-12 | |||
| JP2020076566A | 2020-05-21 | |||
| JP2005249376A | 2005-09-15 | |||
| JP2004190875A | 2004-07-08 | |||
| JP2002228299A | 2002-08-14 |
Attorney, Agent or Firm:
YOU-I PATENT FIRM (JP)
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