WO2022220159A1 - Échangeur de chaleur - Google Patents

Échangeur de chaleur Download PDF

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Publication number
WO2022220159A1
WO2022220159A1 PCT/JP2022/016744 JP2022016744W WO2022220159A1 WO 2022220159 A1 WO2022220159 A1 WO 2022220159A1 JP 2022016744 W JP2022016744 W JP 2022016744W WO 2022220159 A1 WO2022220159 A1 WO 2022220159A1
Authority
WO
WIPO (PCT)
Prior art keywords
louver
heat exchanger
outside air
tube
upstream
Prior art date
Application number
PCT/JP2022/016744
Other languages
English (en)
Japanese (ja)
Inventor
亮哉 秋元
和磨 影林
直也 辻本
彰久 水上
慶典 川西
真 山崎
Original Assignee
マレリ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by マレリ株式会社 filed Critical マレリ株式会社
Priority to CN202280027426.9A priority Critical patent/CN117157500A/zh
Priority to DE112022002135.7T priority patent/DE112022002135T5/de
Publication of WO2022220159A1 publication Critical patent/WO2022220159A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F28F1/325—Fins with openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-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
    • F28D1/02—Heat-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
    • F28D1/04—Heat-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
    • F28D1/053—Heat-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
    • F28D1/0535—Heat-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 the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F28F1/128—Fins with openings, e.g. louvered fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F17/00—Removing ice or water from heat-exchange apparatus
    • F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F28F2215/08—Fins with openings, e.g. louvers

Definitions

  • the present invention relates to heat exchangers.
  • JP5563162B includes a plurality of flat tubes and corrugated fins provided between adjacent flat tubes, the plate portion of the corrugated fins has a plurality of louvers, and the plate portion is wider than the joining area with the flat tubes.
  • An outdoor heat exchanger for a vehicle air conditioner is disclosed that has an extension projecting on the windward side.
  • An object of the present invention is to suppress deterioration in the heat exchange performance of a heat exchanger.
  • a plurality of heat exchangers for exchanging heat between a refrigerant circulating in a refrigeration cycle and outside air are arranged in parallel and arranged between a plurality of tubes through which the refrigerant flows and the adjacent tubes.
  • louvers include a first louver formed most upstream in the outside air flow direction in the extension portion, and a first louver formed downstream of an upstream end portion of the tube in the outside air flow direction, and further arranged than the first louver.
  • a second louver formed on the downstream side in the direction of flow of outside air, wherein the first louver and the second louver are formed at the same height over the entire height direction of the flat plate portion;
  • the downstream end of the first louver is positioned upstream of the tip of the tube in the direction of the outside air flow, and is formed to have the same cut-and-raised height along the height direction of the downstream end.
  • the fin has an extension projecting upstream from the tube in the outside air flow direction, and a plurality of louvers provided on the wall so as to be continuous along the outside air flow direction.
  • FIG. 1 is a front view of a heat exchanger according to an embodiment of the invention.
  • FIG. 2 is an enlarged front view illustrating tubes and fins.
  • FIG. 3 is a perspective view explaining a tube and fins.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG.
  • FIG. 5 is a cross-sectional view taken along line VV in FIG.
  • FIG. 6 is a diagram explaining the action of the heat exchanger.
  • FIG. 7 is a diagram explaining the operation of the heat exchanger.
  • FIG. 8 is a schematic diagram illustrating occurrence of frost formation on the fins according to the comparative example.
  • FIG. 9 is a schematic diagram illustrating the occurrence of frost formation on the fins.
  • FIG. 10 is a cross-sectional view explaining a modification of the fin.
  • a heat exchanger 100 according to an embodiment of the present invention will be described below with reference to the drawings.
  • FIG. 1 is a front view of the heat exchanger 100.
  • FIG. 1 is a front view of the heat exchanger 100.
  • the heat exchanger 100 is mounted on a vehicle (not shown).
  • the heat exchanger 100 is an outdoor heat exchanger in a refrigeration cycle of an air conditioner (not shown).
  • the heat exchanger 100 exchanges heat between the refrigerant circulating in the refrigeration cycle and the outside air.
  • the heat exchanger 100 functions as a condenser when the air conditioner performs cooling operation, and functions as an evaporator when the air conditioner performs heating operation.
  • the heat exchanger 100 includes multiple tubes 1, a pair of tanks 2a and 2b, and multiple fins 3.
  • the tube 1, the tanks 2a and 2b, and the fins 3 are made of metal such as aluminum, and are integrally joined together by brazing or the like.
  • the tubes 1 are arranged in parallel and stacked at intervals. A flow path is formed in the tube 1 through which the coolant flows.
  • the tube 1 is arranged so that the heat exchange surface 11 that contacts the fins 3 is horizontal.
  • the tanks 2a and 2b are arranged so as to be connected to both ends of the tube 1 in the longitudinal direction.
  • the tanks 2a and 2b are each arranged so as to be connected to the plurality of tubes 1 in the longitudinal direction.
  • the tanks 2a and 2b temporarily store the refrigerant.
  • Refrigerant that has been circulated through the refrigeration cycle and used for air conditioning flows into the tank 2a.
  • the refrigerant that has flowed into the tank 2a flows through the plurality of tubes 1, respectively.
  • the refrigerant exchanges heat with the outside air when flowing through the tubes 1 .
  • the refrigerant that has flowed through the tube 1 flows into the tank 2b.
  • the refrigerant that has flowed into the tank 2b circulates through the refrigeration cycle again and is used for air conditioning.
  • Fins 3 are provided between adjacent tubes 1 and stacked alternately with tubes 1 .
  • the fins 3 are formed in a wavy shape along the longitudinal direction of the tube 1 and joined to two adjacent tubes 1 .
  • Outside air introduced by a running vehicle or an outdoor fan (not shown) passes around the plurality of tubes 1 and fins 3 . Therefore, the refrigerant flowing inside the tube 1 can exchange heat with the outside air via the surface of the tube 1 and the fins 3 .
  • the fins 3 facilitate heat exchange between the refrigerant and the outside air.
  • the plurality of tubes 1 and fins 3 of the heat exchanger 100 function as a core 9 that exchanges heat between the refrigerant flowing through the tubes 1 and the outside air passing around.
  • FIG. 2 is an enlarged front view illustrating the tube 1 and the fins 3.
  • FIG. 3 is a perspective view explaining the tube 1 and the fins 3.
  • FIG. 4 is a sectional view taken along line IV-IV in FIG.
  • FIG. 5 is a cross-sectional view taken along line VV in FIG.
  • the fin 3 has a contact portion 31, a wall portion 32, an extension portion 35, and a louver 36.
  • the contact portion 31 and the wall portion 32 are connected in a wave shape.
  • a plurality of contact portions 31 are provided, and alternately contact one side and the other side of the adjacent tubes 1 .
  • the contact portion 31 is formed in a flat plate shape.
  • the contact portion 31 is joined to the heat exchange surface 11 of the tube 1 by brazing or the like.
  • a plurality of wall portions 32 are provided, and connect adjacent contact portions 31 so as to connect adjacent tubes 1 .
  • the wall portion 32 has a flat plate portion 33 and an arc portion 34 .
  • the flat plate portion 33 is formed in a flat plate shape.
  • the flat plate portions 33 are arranged so as to be inclined in opposite directions so as to be staggered.
  • a louver 36 is provided on the flat plate portion 33 .
  • the arc portion 34 bends in an arc shape from the flat plate portion 33 toward the contact portion 31 .
  • the flat plate portion 33 and the contact portion 31 are connected by a smooth curved surface.
  • the extension part 35 protrudes upstream from the tube 1 in the outside air flow direction by extending the contact part 31 and the wall part 32 .
  • the length LP [mm] of the planar portion 35a of the extension portion 35 where the louver 36 is not provided is greater than the length LL [mm] of the louver forming portion 35b of the extension portion 35 provided with the louver 36. is also short. This is because if the flat portion 35a of the extended portion 35 is long, the heat exchange performance may deteriorate.
  • a plurality of louvers 36 are provided on the flat plate portion 33 so as to be continuous along the outside air flow direction.
  • the downstream end 36b of the most upstream louver 36 in the outside air flow direction is a linear cut-and-raised end positioned upstream of the tip 12 of the tube 1 in the outside air flow direction. That is, the most upstream louver 36 (first louver) in the outside air flow direction is entirely located upstream of the tip 12 of the tube 1 in the outside air flow direction.
  • the triangular portion above and below the downstream end 36b which is the straight cut-and-raised end of the louver 36, simply connects the downstream end 36b of the louver 36 and the wall 32 of the fin 3. It is only part. That is, in FIG. 3, the downstream end portion 36b is the downstream end portion of the louver 36 which is cut and raised in a straight line, and does not include the upper and lower triangular portions.
  • the most upstream louver 36 in the outside air flow direction is a single louver (one side open louver) 361 in which only the downstream end portion 36b is cut and raised on one side surface of the wall portion 32 .
  • Another louver 36 (second louver) provided continuously downstream of the one louver 361 has a downstream end portion 36 b cut and raised on one side surface of the wall portion 32 and an upstream end portion 36 a that extends from the other side surface of the wall portion 32 .
  • Both louvers (louvers open on both sides) 362 are cut and raised on the side surfaces of the .
  • the louver 36 is not formed on the arc portion 34.
  • the louver 36 is formed over the entire height direction of the flat plate portion 33 of the wall portion 32 .
  • the louver 36 can be formed as large as the height H [mm] (see FIG. 2) over the entire flat plate portion 33, so that outside air can be prevented from bypassing the louver 36 and flowing downstream. Therefore, it is possible to prevent the formation of frost downstream in the direction of flow of outside air.
  • louver 36 located upstream of the tip 12 of the tube 1 on each wall 32. That is, only one louver 36 protrudes upstream from the tip 12 of the tube 1 . Two or more louvers 36 projecting entirely upstream of the tip 12 of the tube 1 may be provided. Heavy frost does not occur. Therefore, in the heat exchanger 100, the louver 36, which protrudes entirely upstream of the tip 12 of the tube 1, is made into a single louver, thereby suppressing an increase in the flow resistance of the outside air and suppressing a decrease in heat exchange performance. ing.
  • FIG. 6 is a diagram for explaining the action of the heat exchanger 100, showing a state before frost formation F occurs.
  • FIG. 7 is a diagram for explaining the operation of the heat exchanger 100, and shows a state after frost formation F occurs.
  • FIG. 8 is a schematic diagram illustrating occurrence of frost F on the fins according to the comparative example.
  • FIG. 9 is a schematic diagram illustrating the formation of frost F on the fins 3. As shown in FIG.
  • the fin 3 has an extension portion 35 projecting upstream from the tube 1 in the outside air flow direction, and a plurality of louvers 36 provided on the wall portion 32 so as to be continuous along the outside air flow direction. .
  • Outside air passes between the tubes 10 in a normal state in which frost F does not occur on the heat exchanger 100 . Therefore, the refrigerant flowing inside the tube 1 exchanges heat with the outside air via the surface of the tube 1 and the fins 3 .
  • frost formation F may occur on the most upstream louver 36 in the outside air flow direction.
  • the downstream end 36b of the most upstream louver 36 is located upstream of the tip 12 of the tube 1 in the outside air flow direction. Therefore, since the frost F is concentrated on the most upstream louver 36, the frost F is less likely to occur further downstream. Even if the frost F is concentrated on the most upstream louver 36, a gap remains between it and the tip 12 of the tube 1. - ⁇ Therefore, the outside air entering through this gap passes between the tubes 1, so that heat can be exchanged between the refrigerant and the outside air. Therefore, deterioration of the heat exchange performance of the heat exchanger 100 can be suppressed.
  • frost F When the frost F increases and closes the gap between the tube 10 and the tip 12, for example, a high-temperature refrigerant compressed by a compressor (not shown) of a refrigeration cycle is circulated in the tube 1 for defrosting. Start operation (hot gas operation). As a result, at a position downstream in the flow direction of the outside air where the frost F is relatively thin, the frost F immediately melts into water when the defrosting operation is performed.
  • the tube 1 is arranged so that the heat exchange surface 11 in contact with the fins 3 is horizontal. Since the frost F is a porous body, the water adhering downstream in the flow direction of the outside air travels along the heat exchange surface 11 and moves upstream in the flow direction of the outside air, and the frost F formed on the most upstream louver 36 by capillary action. absorbed by After that, when the frost F formed on the extended portion 35 melts away, the defrosting is completed. In this way, the downstream end 36b of the most upstream louver 36 is located upstream of the tip 12 of the tube 1 in the direction of the flow of outside air, thereby facilitating drainage during the defrosting operation.
  • the heat exchanger 100 for exchanging heat between the refrigerant circulating in the refrigeration cycle and the outside air includes a plurality of tubes 1 arranged in parallel through which the refrigerant flows, and fins provided between adjacent tubes 1 through which the outside air passes. 3, and the fins 3 have a plurality of contact portions 31 that alternately contact one side and the other side of the adjacent tubes 1, and connect the adjacent contact portions 31 so as to connect the adjacent tubes 1.
  • a plurality of wall portions 32 extending from the contact portion 31 and the wall portion 32 to protrude from the tube 1 upstream in the outside air flow direction;
  • the wall portion 32 has a flat plate portion 33 formed in a flat plate shape and an arc portion 34 curved in an arc shape from the flat plate portion 33 toward the contact portion 31.
  • the louver 36 are the first louver formed most upstream in the outside air flow direction in the extension portion 35, and the first louver formed downstream of the upstream end of the tube 1 in the outside air flow direction in the outside air flow direction.
  • the first louver and the second louver are formed at the same height over the entire height direction of the flat plate portion 33, and the downstream end of the first louver 36b is positioned upstream of the tip of tube 1 in the direction of flow of outside air, and is formed to have the same cut-and-raised height over the height direction of downstream end 36b.
  • the fin 3 has an extension 35 projecting upstream from the tube 1 in the outside air flow direction, and a plurality of louvers 36 provided on the wall 32 so as to be continuous along the outside air flow direction.
  • the downstream end 36b of the most upstream first louver is located upstream of the tip 12 of the tube 1 in the direction of the outside air flow, even if frost F occurs on the first louver, the tube 1 There is a gap left between Therefore, the outside air entering through the gaps passes between the tubes 1, so that heat can be exchanged between the refrigerant and the outside air. Therefore, deterioration of the heat exchange performance of the heat exchanger 100 can be suppressed.
  • the most upstream louver 36 in the outside air flow direction is the single louver 361
  • the other louvers 36 provided downstream of the single louver 361 are both louvers 362 .
  • the most upstream louver 36 in the outside air flow direction may be both louvers 362 like the other louvers 36 . Also in this case, it is possible to suppress deterioration of the heat exchange performance of the heat exchanger 100, as in the above-described embodiment.

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

Abstract

Selon la présente invention, un échangeur de chaleur (100), conçu pour échanger de la chaleur entre de l'air extérieur et un fluide frigorigène circulant dans un cycle de réfrigération, comprend : une pluralité de tubes (1) qui sont disposés en parallèle et à travers lesquels s'écoule le fluide frigorigène ; et une ailette (3) qui est disposée entre les tubes adjacents (1) et à travers laquelle passe l'air extérieur. L'ailette (3) présente : une pluralité de parties de contact (31) qui entrent en contact avec alternativement un tube et l'autre tube des tubes (1) adjacents ; une pluralité de parties parois (32) qui raccordent entre elles les parties de contact adjacentes de façon à se raccorder entre les tubes (1) adjacents ; des parties étendues (35) qui sont étendues à partir des parties de contact (31) et des parties parois (32) et qui font saillie en amont dans une direction d'écoulement d'air extérieur à partir des tubes (1) ; et une pluralité de grilles d'aération (36) disposées sur les parties parois (32) de façon contiguë le long de la direction d'écoulement d'air extérieur. Une partie extrémité aval (36b) d'une grille d'aération (36) disposée le plus loin côté amont dans la direction d'écoulement d'air extérieur est située en amont d'une extrémité avant (12) dans la direction d'écoulement d'air extérieur de chacun des tubes (1).
PCT/JP2022/016744 2021-04-14 2022-03-31 Échangeur de chaleur WO2022220159A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202280027426.9A CN117157500A (zh) 2021-04-14 2022-03-31 热交换器
DE112022002135.7T DE112022002135T5 (de) 2021-04-14 2022-03-31 Wärmetauscher

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-068450 2021-04-14
JP2021068450A JP7133063B1 (ja) 2021-04-14 2021-04-14 熱交換器

Publications (1)

Publication Number Publication Date
WO2022220159A1 true WO2022220159A1 (fr) 2022-10-20

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ID=83191746

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/016744 WO2022220159A1 (fr) 2021-04-14 2022-03-31 Échangeur de chaleur

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Country Link
JP (1) JP7133063B1 (fr)
CN (1) CN117157500A (fr)
DE (1) DE112022002135T5 (fr)
WO (1) WO2022220159A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024056531A (ja) 2022-10-11 2024-04-23 株式会社デンソー 回転電機

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06147785A (ja) * 1992-11-04 1994-05-27 Hitachi Ltd ヒートポンプ用室外熱交換器
JP2005121348A (ja) * 2003-03-19 2005-05-12 Denso Corp 熱交換器および伝熱部材
JP2008101847A (ja) * 2006-10-19 2008-05-01 Daikin Ind Ltd 空気熱交換器
JP2012237538A (ja) * 2011-05-13 2012-12-06 Daikin Industries Ltd 熱交換器
JP2014156988A (ja) * 2013-02-18 2014-08-28 Denso Corp 熱交換器
JP2016041986A (ja) * 2014-08-14 2016-03-31 三菱重工業株式会社 熱交換器およびそれを用いた空気調和機用室外機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5563162U (fr) 1978-10-20 1980-04-30
US4328861A (en) * 1979-06-21 1982-05-11 Borg-Warner Corporation Louvred fins for heat exchangers
JPH06221787A (ja) * 1993-01-29 1994-08-12 Nippondenso Co Ltd 熱交換器
JP2004251554A (ja) * 2003-02-20 2004-09-09 Matsushita Electric Ind Co Ltd ヒートポンプ用室外熱交換器
JP2007232246A (ja) * 2006-02-28 2007-09-13 Denso Corp 熱交換器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06147785A (ja) * 1992-11-04 1994-05-27 Hitachi Ltd ヒートポンプ用室外熱交換器
JP2005121348A (ja) * 2003-03-19 2005-05-12 Denso Corp 熱交換器および伝熱部材
JP2008101847A (ja) * 2006-10-19 2008-05-01 Daikin Ind Ltd 空気熱交換器
JP2012237538A (ja) * 2011-05-13 2012-12-06 Daikin Industries Ltd 熱交換器
JP2014156988A (ja) * 2013-02-18 2014-08-28 Denso Corp 熱交換器
JP2016041986A (ja) * 2014-08-14 2016-03-31 三菱重工業株式会社 熱交換器およびそれを用いた空気調和機用室外機

Also Published As

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JP7133063B1 (ja) 2022-09-07
CN117157500A (zh) 2023-12-01
JP2022163494A (ja) 2022-10-26
DE112022002135T5 (de) 2024-04-11

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