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1. 发明公开

EP4411300A1 HEAT EXCHANGER 审中-实审
公开(公告)号：EP4411300A1
公开(公告)日：2024-08-07
申请号：EP22876219.1
申请日：2022-09-27
申请人： Daikin Industries, Ltd.
发明人： SATO, Ken , NUMATA, Mitsuharu , TERAI, Ko , TABATA, Shinya , HIROKAWA, Tomoki
IPC分类号： F28D9/00 , F28F3/08
CPC分类号： F28F3/08 , F28D9/00 , F28D9/005 , F28F13/06
摘要： A heat exchanger (100) includes a plurality of plates (103, 104) stacked on top of one another. The heat exchanger (100) causes a refrigerant and a heat medium to exchange heat with each other. First flow path (111) and second flow path (112) are formed between the plates (103, 104). The refrigerant in a two phase state flows through the first flow path (111). The heat medium flows through the second flow path (112). The plates (103, 104) each have a first inlet (115) and a first outlet (116). The first inlet (115) serves as an inlet for the refrigerant that flows into the first flow path (111). The first outlet (116) serves as an outlet for the refrigerant that flows into the first flow path (111). When viewed in a stacking direction of the plates (103, 104), the first inlet (115) and the first outlet (116) each have line symmetry with respect to a center line (L) in a width direction of the plates (103, 104).

2. 发明公开

EP4421436A1 HEAT EXCHANGER, AND REFRIGERATION CYCLE DEVICE 审中-实审
公开(公告)号：EP4421436A1
公开(公告)日：2024-08-28
申请号：EP23866599.6
申请日：2023-09-28
申请人： DAIKIN INDUSTRIES, LTD.
发明人： KOJIMA, Makoto , TERAI, Ko , EMURA, Chie , BABA, Daisuke
IPC分类号： F28F3/08 , F28D9/00
CPC分类号： F28D9/0037 , F28F3/048 , F28F3/086
摘要： Provided is a heat exchanger and a refrigeration cycle apparatus capable of easily ensuring a gap between partition walls. A plate heat exchanger (30) that exchanges heat between a refrigerant and water includes a first plate-shaped member (50), a second plate-shaped member (60), a second refrigerant partition wall (72), and a first water partition wall (81). The second refrigerant partition wall (72) is located between the first plate-shaped member (50) and the second plate-shaped member (60). The first water partition wall (81) is located between the second refrigerant partition wall (72) and the second plate-shaped member (60). The first plate-shaped member (50) includes a first flow path (51). The refrigerant flows through the first flow path (51) in a direction intersecting a first plate thickness direction that is a plate thickness direction of the first plate-shaped member (50). The second plate-shaped member (60) includes a second flow path (61). The water flows through the second flow path (61) in a direction intersecting a second plate thickness direction that is a plate thickness direction of the second plate-shaped member (60). In the plate heat exchanger (30), the first water partition wall (81) includes a flat portion (82a) and a plurality of protrusions (81y) protruding in the second plate thickness direction, and distal ends of the protrusions (81y) are in contact with the second refrigerant partition wall (72) .

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