CN218270291U - Heat exchanger - Google Patents

Heat exchanger Download PDF

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Publication number
CN218270291U
CN218270291U CN202221697550.XU CN202221697550U CN218270291U CN 218270291 U CN218270291 U CN 218270291U CN 202221697550 U CN202221697550 U CN 202221697550U CN 218270291 U CN218270291 U CN 218270291U
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Prior art keywords
heat exchanger
header
outlet
pipe
collecting pipe
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Chinese (zh)
Inventor
史强
刘玉宝
金欢
李艳星
杨静
吴伟军
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Danfoss AS
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Danfoss AS
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Priority to PCT/CN2023/099641 priority patent/WO2024001737A1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The utility model discloses A heat exchanger is disclosed. The heat exchanger includes: an inlet header for flow of a heat exchange medium into a heat exchanger, the inlet header having a single inlet; and the outlet collecting pipe is used for allowing the heat exchange medium to flow out of the heat exchanger and is provided with a plurality of collecting pipe outlets which are respectively arranged at two sides of the central position of the outlet collecting pipe in the longitudinal direction. According to the utility model discloses a heat exchanger is because the pressure drop in the heat exchange tube of whole heat exchanger has effectively been balanced to the flow collecting pipe export of export flow collecting pipe sets up the both sides of putting at the central point of export flow collecting pipe respectively to the distribution of refrigerant in the heat exchanger has been improved, and the performance of heat exchanger has been promoted.

Description

Heat exchanger
Technical Field
The utility model relates to a heat exchanger.
Background
Heat exchanger the method comprises the following steps: the inlet collecting pipe and the outlet collecting pipe are connected with the heat exchange pipe between the inlet collecting pipe and the outlet collecting pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat exchanger, this can improve the distribution of the refrigerant in the heat exchanger, for example.
The embodiment of the utility model provides a heat exchanger, the method comprises the following steps: an inlet header for flow of a heat exchange medium into a heat exchanger, the inlet header having a single inlet; and the outlet collecting pipe is used for the heat exchange medium to flow out of the heat exchanger and is provided with a plurality of collecting pipe outlets which are respectively arranged at two sides of the central position of the outlet collecting pipe in the longitudinal direction.
According to the utility model discloses an embodiment, a plurality of pressure manifold exports including setting up respectively two pressure manifold exports of two tip of export pressure manifold.
According to the utility model discloses an embodiment, a plurality of pressure manifold exports including two pressure manifold exports that run through the pipe wall of export pressure manifold.
According to the utility model discloses an embodiment, the distance of each in two pressure manifold exports and the corresponding one in the terminal surface of two tip of export pressure manifold is less than or equal to the quarter of the length of export pressure manifold.
According to the embodiment of the utility model, the heat exchanger is in the length in the longitudinal direction of export pressure manifold is L, the heat exchanger has flat plate-like shape and the heat exchanger with the height in the vertical direction vertically is H, perhaps the heat exchanger is folding heat exchanger and before folding the heat exchanger with the height in the vertical direction vertically is H, and the distance of each in two pressure manifold exports and the corresponding one in the terminal surface of two tip of export pressure manifold is less than or equal to L1, wherein:
Figure BDA0003726426250000021
according to the utility model discloses an embodiment, the export pressure manifold is including two end covers that seal two tip of export pressure manifold respectively, a plurality of pressure manifold exports including two pressure manifold exports that run through two end covers of export pressure manifold respectively.
According to the utility model discloses an embodiment, a plurality of pressure manifold exports still including setting up respectively export two tip of pressure manifold with two other pressure manifold exports between the central point of export pressure manifold puts.
According to the utility model discloses an embodiment, the heat exchanger is in the length in the longitudinal direction of export pressure manifold is L, the heat exchanger has flat plate-like shape and the heat exchanger with the height in the vertical direction vertically orientation is H, perhaps the heat exchanger is folding heat exchanger and before folding the heat exchanger with the height in the vertical direction vertically orientation is H, and the length L and the height H of heat exchanger satisfy following condition: l/h is more than 1 and less than or equal to 10.
According to the utility model discloses an embodiment, the heat exchanger still includes: an outlet connection tube assembly, the outlet connection tube assembly comprising: the outlet header pipe comprises a first branch pipe connected with a header pipe outlet arranged on one of two sides of the center position of the outlet header pipe, and a second branch pipe connected with a header pipe outlet arranged on the other of the two sides of the center position of the outlet header pipe.
According to the utility model discloses an embodiment, the export connecting pipe subassembly still includes: and the middle part of the outlet collecting pipe in the longitudinal direction is connected with the first branch pipe and the second branch pipe through a tee joint.
According to the utility model discloses an embodiment, the export pressure manifold is including two end covers that seal two tip of export pressure manifold respectively, a plurality of pressure manifold exports including two pressure manifold exports that run through two end covers of export pressure manifold respectively, the heat exchanger still includes: and the two ends of the heat exchange tube are respectively connected with the inlet collecting pipe and the outlet collecting pipe and are in fluid communication, wherein at least one of the first branch pipe and the second branch pipe penetrates through the outlet of the collecting pipe in the end cover of the outlet collecting pipe and is inserted into the outlet collecting pipe by a preset depth, so that a plurality of ends of the heat exchange tube exist between the end cover and the end surface of the end of the at least one of the first branch pipe and the second branch pipe.
According to the utility model discloses an embodiment, the heat exchanger still includes: the single distributing pipe is arranged in the inlet collecting pipe, extends along the length direction of the inlet collecting pipe, is provided with an inlet which is arranged on one end part of the inlet collecting pipe or on the pipe wall of the inlet collecting pipe and a plurality of outlets which penetrate through the pipe wall of the distributing pipe, and the inlet of the distributing pipe is connected with the inlet of the inlet collecting pipe.
According to the utility model discloses an embodiment, the heat exchanger still includes: and two end parts of the heat exchange tube are respectively connected with the inlet collecting pipe and the outlet collecting pipe and are in fluid communication.
According to the utility model discloses an embodiment, the entry setting of entry pressure manifold is in on the tip of entry pressure manifold, perhaps set up on the pipe wall of entry pressure manifold.
With the heat exchanger according to an embodiment of the present invention, since the outlet of the outlet header pipe is respectively disposed at the two sides of the central position of the outlet header pipe, for example, the distribution of the refrigerant in the heat exchanger can be improved.
Drawings
Fig. 1 is a schematic perspective view of a heat exchanger according to an embodiment of the present invention;
FIG. 2 is a schematic front view of the heat exchanger shown in FIG. 1;
FIG. 3 is a schematic front view of the heat exchanger shown in FIG. 1 with the inlet header broken away;
fig. 4 is a schematic perspective view of a heat exchanger according to another embodiment of the present invention;
FIG. 5 is a schematic front view of the heat exchanger shown in FIG. 4;
fig. 6 is a schematic front view of a heat exchanger according to yet another embodiment of the present invention;
fig. 7 is a schematic front view of a heat exchanger according to yet another embodiment of the present invention;
fig. 8 is a schematic perspective view of a heat exchanger according to a further embodiment of the present invention;
FIG. 9 is the view of FIG. 8 a schematic front view of a heat exchanger;
fig. 10 is a schematic front view of a heat exchanger according to one variation of an embodiment of the present invention;
FIG. 11 is an enlarged cross-sectional view of portion A of the heat exchanger shown in FIG. 8, showing one example of the placement of the manifolds;
FIG. 12 is an enlarged cross-sectional view of portion A of the heat exchanger shown in FIG. 8, showing another example of the arrangement of the branch pipes; and
fig. 13 is a schematic front view of a heat exchanger according to another modification of the embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 13, a heat exchanger 100 according to an embodiment of the present invention includes: an inlet header 2 for the flow of heat exchange medium into the heat exchanger 100, said inlet header 2 having a single inlet 20; and an outlet header 3 for the heat exchange medium to flow out of the heat exchanger 100, the outlet header 3 having a plurality of header outlets 30 respectively provided at both sides of a central position in a longitudinal direction of the outlet header 3. As shown in fig. 3, the inlet 20 of the inlet header 2 may be provided on one end 21 of the inlet header 2 or may be provided on a pipe wall 23 of the inlet header 2. Referring to fig. 3, the heat exchanger 100 may further include: a single distribution pipe 5 disposed in the inlet header 2, wherein the distribution pipe 5 extends along a length direction of the inlet header 2, for example, from one end 21 of the inlet header 2 to the other end 22 of the inlet header 2, and has an inlet 53 disposed on the one end 21 of the inlet header 2 or on a pipe wall 23 of the inlet header 2 and a plurality of outlets 55 penetrating through a pipe wall 50 of the distribution pipe 5, and the inlet 53 of the distribution pipe 5 is connected to the inlet 20 of the inlet header 2. Thereby, the heat exchange medium enters the inlet 53 of the distribution pipe 5 from the inlet 20 of the inlet header 2, flows from one end to the other end of the distribution pipe 5, and flows out of the outlet 55 of the distribution pipe 5. In the embodiment shown in fig. 3, the inlet connection pipe 56 is integral with the distribution pipe 5, and the integral inlet connection pipe 56 and distribution pipe 5 pass through the inlet 20 of the inlet header 2. The inlet 20 of the inlet header 2 may be provided in an end cap of the inlet header 2 or may be provided in a tube wall 23 of the inlet header 2. In case the inlet of the inlet header 2 is arranged in the pipe wall 23 of the inlet header 2, the inlet connection pipe 56 may also communicate with the distribution pipe 5 through the inlet in the pipe wall 23 of the inlet header 2. The heat exchanger 100 further includes: the two end parts 71 of the heat exchange tube 7 are respectively connected with the inlet collecting tube 2 and the outlet collecting tube 3 and are in fluid communication; and fins 8 arranged alternately with the heat exchange tubes 7.
Referring to fig. 1 to 5 and 7 to 13, in an embodiment of the present invention, the plurality of header outlets 30 includes two header outlets 30 respectively disposed at two ends 31 of the outlet header 3.
Referring to fig. 6-9, in an embodiment of the present invention, the plurality of header outlets 30 includes two header outlets 30 that extend through the tube wall 33 of the outlet header 3. Each of the two header outlets 30 may be located a distance from a corresponding one of the end faces 38 of the two ends 31 of the outlet header 3 that is less than or equal to one quarter of the length of the outlet header 3. Referring to fig. 6, assuming that the length of the heat exchanger 100 in the longitudinal direction of the outlet header 3 is L, and the heat exchanger 100 has a flat plate-like shape and the height of the heat exchanger 100 in the direction perpendicular to the longitudinal direction is H, or the heat exchanger 100 is a folded heat exchanger 100 and the height of the heat exchanger 100 in the direction perpendicular to the longitudinal direction is H before folding, the distance of each of the two header outlets 30 from a corresponding one of the end faces 38 of the two end portions 31 of the outlet header 3 is less than or equal to L1, wherein:
Figure BDA0003726426250000051
referring to fig. 1 to 5 and 10 to 13, in an embodiment of the present invention, the outlet header 3 includes two end caps 35 respectively closing two ends 31 of the outlet header 3, and the plurality of header outlets 30 includes two header outlets 30 respectively penetrating the two end caps 35 of the outlet header 3.
Referring to fig. 8 and 9, in addition to the two header outlets 30 respectively provided at the two ends 31 of the outlet header 3, the plurality of header outlets 30 may further include two additional header outlets 30 respectively provided between the two ends 31 of the outlet header 3 and a central position of the outlet header 3.
Referring to fig. 6, in the embodiment of the present invention, assuming that the length of the heat exchanger 100 in the longitudinal direction of the outlet header 3 is L, and the heat exchanger 100 has a flat plate-like shape and the height of the heat exchanger 100 in the direction perpendicular to the longitudinal direction is H, or the heat exchanger 100 is a folded heat exchanger 100 (see fig. 4 and 5) and the height of the heat exchanger 100 in the direction perpendicular to the longitudinal direction is H before folding, the length L and the height H of the heat exchanger 100 satisfy the following conditions:
1<L/h≤10。
to some heat exchangers of elongated shape, for example, ratio L/h is higher, especially to the heat exchanger that heat transfer medium pressure drop is very little in the heat exchange tube, according to the utility model discloses a heat exchanger can improve especially the distribution of refrigerant in the heat exchanger and promote the performance of heat exchanger because the pressure manifold export of export pressure manifold sets up the both sides in the central point of export pressure manifold respectively.
Referring to fig. 1 to 13, in an embodiment of the present invention, the heat exchanger 100 further includes: an outlet connection pipe assembly 6, the outlet connection pipe assembly 6 comprising: a first branch pipe 60 connected to the header outlet 30 provided at one of both sides of the central position of the outlet header 3, and a second branch pipe 60 connected to the header outlet 30 provided at the other of both sides of the central position of the outlet header 3. Referring to fig. 1 to 12, the outlet connection pipe assembly 6 may further include: and an outlet connection pipe 66 connected to the first branch pipe 60 and the second branch pipe 60 through a tee 63 at a middle portion in a longitudinal direction of the outlet header 3.
Referring to fig. 12, in an embodiment of the present invention, at least one of the first and second legs 60, 60 is inserted into the outlet header 3 through the header outlet 30 in the end cap 35 of the outlet header 3 to a predetermined depth such that there are ends 71 of the plurality of heat exchange tubes 7 between the end cap 35 and the end face 68 of the end 65 of the at least one of the first and second legs 60, e.g., each of the first and second legs 60, 60 is inserted into the outlet header 3 through the header outlet 30 in the end cap 35 of the outlet header 3 to a predetermined depth such that there are ends 71 of the plurality of heat exchange tubes 7 between the end cap 35 and the end face 68 of the end 65 of each of the first and second legs 60, 60. The predetermined depth to which the first and second branch pipes 60 and 60 are inserted into the outlet header 3 can be set according to the pressure drop distribution of the heat exchange tubes, whereby the pressure drop distribution of the heat exchange tubes can be better adjusted. The pressure in the outlet header near the outlet 30 of the header is low, the partial pressure in the middle of the outlet header is high, and the first branch pipe 60 and the second branch pipe 60 are inserted into the outlet header 3 to a preset depth to play a role in balancing the pressure drop in the header and also play a role in balancing the flow of the heat exchange pipe.
Referring to fig. 11, in an embodiment of the present invention, there may also be no end 71 of the heat exchange tube 7 between the end cap 35 and the end face 68 of the end 65 of each of the first and second legs 60, 60. In this case, it can be considered that the first branch pipe 60 and the second branch pipe 60 are connected only to the end cap 35 of the outlet header 3.
Referring to fig. 1 to 3 and 6 to 13, in an embodiment of the present invention, the first branch pipe 60 and the second branch pipe 60 may be bent upward of the heat exchanger 100 or bent to one side in a thickness direction of the heat exchanger 100 as needed. <xnotran> 13 , 100 60 60, 66, 60 60 . </xnotran>
According to the utility model discloses a heat exchanger, the pressure manifold export of export pressure manifold sets up the both sides of putting at the central point of export pressure manifold respectively, and when the heat exchanger moved as the evaporimeter, under the condition that sets up two pressure manifold exports, divide into two tunnel with heat transfer medium in the export pressure manifold, follow two tip discharge heat transfer medium of export pressure manifold respectively. Therefore, the pressure drop in the heat exchange tube of the whole heat exchanger is effectively balanced, the distribution of the refrigerant in the heat exchanger is improved, and the performance of the heat exchanger is improved.
According to the utility model discloses a heat exchanger is because the pressure drop in the heat exchange tube of whole heat exchanger has effectively been balanced to the flow collecting pipe export of export flow collecting pipe sets up the both sides that put at the central point of export flow collecting pipe respectively to the distribution of refrigerant in the heat exchanger has been improved, and the performance of heat exchanger has been promoted.
While the above embodiments have been described, some of the features of the above embodiments may be combined to form new embodiments.

Claims (14)

1. A heat exchanger, characterized by comprising:
an inlet header for flow of a heat exchange medium into a heat exchanger, the inlet header having a single inlet; and
and the outlet collecting pipe is provided with a plurality of collecting pipe outlets which are respectively arranged at two sides of the central position of the outlet collecting pipe in the longitudinal direction.
2. The heat exchanger of claim 1, wherein:
the plurality of header outlets include two header outlets respectively disposed at two ends of the outlet header.
3. The heat exchanger of claim 1, wherein:
the plurality of manifold outlets includes two manifold outlets that penetrate a tube wall of the outlet manifold.
4. The heat exchanger of claim 3, wherein:
each of the two header outlets is spaced from a corresponding one of the end faces of the two ends of the outlet header by a distance less than or equal to one-quarter of the length of the outlet header.
5. The heat exchanger of claim 3, wherein:
the length of the heat exchanger in the longitudinal direction of the outlet header is L,
the heat exchanger has a flat plate-like shape and a height of the heat exchanger in a direction perpendicular to the longitudinal direction is H, or the heat exchanger is a folded heat exchanger and a height of the heat exchanger in a direction perpendicular to the longitudinal direction before folding is H, and
the distance between each of the two header outlets and a corresponding one of the end faces of the two ends of the outlet header is less than or equal to L1, wherein:
Figure FDA0003726426240000011
6. the heat exchanger of claim 1, wherein:
the outlet header includes two end caps that respectively seal two ends of the outlet header, and the plurality of header outlets include two header outlets that respectively penetrate the two end caps of the outlet header.
7. The heat exchanger according to any one of claims 2 to 6, wherein:
the plurality of header outlets further include two additional header outlets respectively disposed between the two ends of the outlet header and the center of the outlet header.
8. The heat exchanger of claim 1, wherein:
the length of the heat exchanger in the longitudinal direction of the outlet header is L,
the heat exchanger has a flat plate-like shape and a height of the heat exchanger in a direction perpendicular to the longitudinal direction is H, or the heat exchanger is a folded heat exchanger and a height of the heat exchanger in a direction perpendicular to the longitudinal direction before folding is H, and
the length L and the height H of the heat exchanger meet the following conditions:
1<L/h≤10。
9. the heat exchanger of claim 1, further comprising:
an outlet connection tube assembly, the outlet connection tube assembly comprising: the outlet header pipe comprises a first branch pipe connected with a header pipe outlet arranged on one of two sides of the center position of the outlet header pipe, and a second branch pipe connected with a header pipe outlet arranged on the other of the two sides of the center position of the outlet header pipe.
10. The heat exchanger of claim 9, wherein:
the outlet connection pipe assembly further includes: and the middle part of the outlet collecting pipe in the longitudinal direction is connected with the first branch pipe and the second branch pipe through a tee joint.
11. The heat exchanger of claim 9, wherein:
the outlet header comprises two end covers for respectively closing two ends of the outlet header, the plurality of header outlets comprise two header outlets respectively penetrating through the two end covers of the outlet header,
the heat exchanger further comprises a heat exchange tube, two ends of the heat exchange tube are respectively connected with the inlet collecting pipe and the outlet collecting pipe and are in fluid communication, wherein at least one of the first branch tube and the second branch tube penetrates through a collecting pipe outlet in an end cover of the outlet collecting pipe and is inserted into the outlet collecting pipe by a preset depth, so that a plurality of ends of the heat exchange tube exist between the end cover and the end face of the end of the at least one of the first branch tube and the second branch tube.
12. The heat exchanger of claim 1, further comprising:
the single distributing pipe of setting in the entry pressure manifold, the distributing pipe extends along the length direction of entry pressure manifold to have the setting and be in on an tip of entry pressure manifold or set up entry and a plurality of exports that run through the pipe wall of distributing pipe on the pipe wall of entry pressure manifold, the entry of distributing pipe with the entry of entry pressure manifold is connected.
13. The heat exchanger of claim 1, further comprising:
and two end parts of the heat exchange tube are respectively connected with the inlet collecting pipe and the outlet collecting pipe and are in fluid communication.
14. The heat exchanger of claim 1, wherein:
the inlet of the inlet collecting pipe is arranged at one end of the inlet collecting pipe or arranged on the pipe wall of the inlet collecting pipe.
CN202221697550.XU 2022-07-01 2022-07-01 Heat exchanger Active CN218270291U (en)

Priority Applications (2)

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CN202221697550.XU CN218270291U (en) 2022-07-01 2022-07-01 Heat exchanger
PCT/CN2023/099641 WO2024001737A1 (en) 2022-07-01 2023-06-12 Heat exchanger

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Application Number Priority Date Filing Date Title
CN202221697550.XU CN218270291U (en) 2022-07-01 2022-07-01 Heat exchanger

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024001737A1 (en) * 2022-07-01 2024-01-04 丹佛斯有限公司 Heat exchanger

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KR940002338B1 (en) * 1991-03-01 1994-03-23 전 일 Purification apparatus of waste water
JP4536243B2 (en) * 2000-10-31 2010-09-01 株式会社ティラド Heat exchanger for air conditioning
US20090173482A1 (en) * 2008-01-09 2009-07-09 Beamer Henry E Distributor tube subassembly
JP4357571B2 (en) * 2008-02-19 2009-11-04 シャープ株式会社 Heat exchanger
CN206369497U (en) * 2016-11-30 2017-08-01 杭州三花微通道换热器有限公司 Heat exchanger
CN207570385U (en) * 2017-10-26 2018-07-03 浙江垠桥能源科技发展有限公司 A kind of heat exchange unit
CN212843110U (en) * 2020-08-19 2021-03-30 四川长虹空调有限公司 T-shaped pipe assembly for heat exchanger and finned heat exchanger
CN218270291U (en) * 2022-07-01 2023-01-10 丹佛斯有限公司 Heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024001737A1 (en) * 2022-07-01 2024-01-04 丹佛斯有限公司 Heat exchanger

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