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Title:
HEAT EXCHANGER AND REFRIGERATION CYCLE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2023/040294
Kind Code:
A1
Abstract:
A heat exchanger, comprising a first refrigerant inlet and outlet (111), a second refrigerant inlet and outlet (112), and multiple heat exchange branches (121, 122, 123, 124). In the case that the heat exchanger serves as an evaporator, a refrigerant flows in from the first refrigerant inlet and outlet (111) and flows out from the second refrigerant inlet and outlet (112), and in the case that the heat exchanger serves as a condenser, the refrigerant flows in from the second refrigerant inlet and outlet (112) and flows out from the second refrigerant inlet and outlet (111); the multiple heat exchange branches (121, 122, 123, 124) are communicated between the first refrigerant inlet and outlet (111) and the second refrigerant inlet and outlet (112); and each heat exchange branch comprises n1 heat exchange tubes (140) which are in communication with one another, n1≤8. In the heat exchanger, the resistance on each heat exchange branch (121, 122, 123, 124) is not too large, such that the pressure loss of refrigerant circulation is further reduced, and the heat exchange efficiency is improved.

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Inventors:
MA QIANG (CN)
QI ZHAOQIAN (CN)
WANG FEI (CN)
ZHANG XINYI (CN)
LI YANG (CN)
MA CHANGMING (CN)
Application Number:
PCT/CN2022/091252
Publication Date:
March 23, 2023
Filing Date:
May 06, 2022
Export Citation:
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Assignee:
QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD (CN)
QINGDAO HAIER AIR CONDITIONING ELECTRONIC CO LTD (CN)
HAIER SMART HOME CO LTD (CN)
International Classes:
F25B39/02; F25B39/04; F25B41/48; F25B43/00
Foreign References:
CN113899116A2022-01-07
CN216745003U2022-06-14
CN112594975A2021-04-02
CN105588371A2016-05-18
CN112594974A2021-04-02
CN207132597U2018-03-23
CN214039044U2021-08-24
JP2014020696A2014-02-03
US20170268790A12017-09-21
Attorney, Agent or Firm:
QINGDAO ZHONGJIA STANDARD PATENT AGENCY CO., LTD. (CN)
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