JPH02251093A - Finned heat exchanger - Google Patents
Finned heat exchangerInfo
- Publication number
- JPH02251093A JPH02251093A JP7094589A JP7094589A JPH02251093A JP H02251093 A JPH02251093 A JP H02251093A JP 7094589 A JP7094589 A JP 7094589A JP 7094589 A JP7094589 A JP 7094589A JP H02251093 A JPH02251093 A JP H02251093A
- Authority
- JP
- Japan
- Prior art keywords
- flat
- fin
- airflow
- fins
- grooves
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 230000005484 gravity Effects 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 29
- 230000006866 deterioration Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 9
- 230000007423 decrease Effects 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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
- 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
- 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
- F28F2215/00—Fins
- F28F2215/12—Fins with U-shaped slots for laterally inserting conduits
Landscapes
- 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
Description
【発明の詳細な説明】
産業上の利用分野
本発明は空調機器や冷凍機器、自動車機器等に使用され
、冷媒と空気等の流体間で熱の授受を行なうフィン付熱
交換器に関するものである。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a finned heat exchanger that is used in air conditioning equipment, refrigeration equipment, automobile equipment, etc., and exchanges heat between fluids such as refrigerant and air. .
従来の技術
近年、フィン付熱交換器は機器設計の面からコンパクト
化が要求されており、フィン形状及2ページ
び管内面形状の改善による高効率化が取り組まれている
。BACKGROUND OF THE INVENTION In recent years, finned heat exchangers have been required to be more compact in terms of device design, and efforts have been made to improve efficiency by improving the fin shape and the inner surface shape of the tubes.
以下、図面を参照しながら上述した従来のフィン付熱交
換器について説明を行う。Hereinafter, the conventional finned heat exchanger mentioned above will be explained with reference to the drawings.
第8図から第14図は従来のフィン付熱交換器の形状を
示す。図において、1は波形状に屈曲され一定のフィン
ピッチPfで平行に並べられた波形フィンで、両端の屈
曲部2と気流入方向に分割されたルーパ3が設けられて
いる。4は前記波形フィン1の上下両端の屈曲部2に密
着された偏平管で、長辺4aと短辺4b及び管内を分割
する分割板4cとから構成され、長辺4aが気流A方向
と平行となるように水平方向に段ピツチPdで複数段設
けられている。5は偏平管4の両端に接続したヘッダで
、偏平管4と共に冷媒Rの管内流路を構成している。そ
して、波形フィン1間を流れる気流Aと偏平管4内を流
れる冷媒Rとの間で波形フィン1及び偏平管4を介して
熱交換が行なわれる。その際、波形フィン1の表面には
ルーバ3が分割して設3ページ
けられているため、波形フィン1の表面に生じる気流A
の温度境界層の発達が抑えられ、気流Aと波形フィン1
との熱伝達率の向上が図られている。また、偏平管4の
管内は分割板4゜Cによって微小流路化され、偏平管4
と冷媒Rとの熱伝達率の向上も図られている。8 to 14 show the shape of a conventional finned heat exchanger. In the figure, reference numeral 1 denotes wave-shaped fins bent in a wave shape and arranged in parallel at a constant fin pitch Pf, and provided with bent portions 2 at both ends and a looper 3 divided in the air inflow direction. Reference numeral 4 denotes a flat tube that is closely attached to the bent portions 2 at both the upper and lower ends of the corrugated fin 1, and is composed of a long side 4a, a short side 4b, and a dividing plate 4c that divides the inside of the tube, and the long side 4a is parallel to the direction of airflow A. A plurality of stages are provided in the horizontal direction with a stage pitch Pd. 5 is a header connected to both ends of the flat tube 4, and together with the flat tube 4 constitutes an internal flow path for the refrigerant R. Then, heat exchange is performed between the airflow A flowing between the corrugated fins 1 and the refrigerant R flowing within the flat tube 4 via the corrugated fins 1 and the flat tube 4. At this time, since the louver 3 is divided into three pages on the surface of the corrugated fin 1, the airflow A generated on the surface of the corrugated fin 1 is
The development of the temperature boundary layer is suppressed, and airflow A and corrugated fin 1
The aim is to improve the heat transfer coefficient between the In addition, the inside of the flat tube 4 is made into a microchannel by the dividing plate 4°C, and the flat tube 4
The heat transfer coefficient between the refrigerant R and the refrigerant R is also improved.
発明が解決しようとする課題
しかしながら上記のような構成では、このフィン付熱交
換器を蒸発器として使用し外表面に水滴りが凝縮する場
合に、第14−図に示すように、波形フィン1の屈曲部
2の内側に水滴りが滞溜するばかりでなく、各段の波形
フィン1相互が偏平管4によって分割されているため、
波形フィン1の表面を伝わり落下する水滴りは下段へは
落下し難く偏平管4の上面に滞溜することとなり、気流
Aの通風抵抗の増大を引き起こし、また波形フィン1と
気流Aとの熱伝達も阻害する。Problems to be Solved by the Invention However, with the above configuration, when this finned heat exchanger is used as an evaporator and water droplets condense on the outer surface, as shown in FIG. Not only will water droplets accumulate inside the bent portion 2 of the fins, but also because the corrugated fins 1 of each stage are separated by the flat tubes 4,
Water droplets that travel down the surface of the corrugated fins 1 are difficult to fall to the lower stage and accumulate on the upper surface of the flat tube 4, causing an increase in the ventilation resistance of the airflow A, and the heat generated between the corrugated fins 1 and the airflow A. It also inhibits transmission.
本発明は上記課題に鑑み、このフィン付熱交換器を蒸発
器として使用し外表面に水滴が凝縮する場合にも、水滴
の落下を良好にして、気流の通風抵抗の増大と熱伝達率
の低下を抑えるものである。In view of the above problems, the present invention has been developed to improve the falling of water droplets even when water droplets condense on the outer surface by using this finned heat exchanger as an evaporator, thereby increasing the ventilation resistance of airflow and reducing the heat transfer coefficient. This is to suppress the decline.
課題を解決するための手段
上記課題を解決するために本発明のフィン付熱交換器は
、気流方向の前縁側を切り欠いて構成される偏平溝を複
数段設けた平板フィンと、前記平板フィンの偏平溝に側
面から挿入された偏平管とから成り、前記平板フィンの
偏平溝より下流側表面に段方向の平板フィン間を連通ず
る排水面を設けると共に、前記偏平管の偏平溝への挿入
方向を重力方向に傾斜させるという構成を備えたもので
ある。Means for Solving the Problems In order to solve the above problems, the finned heat exchanger of the present invention includes a flat plate fin having a plurality of flat grooves formed by cutting out the front edge side in the airflow direction, and the flat plate fin. and a flat tube inserted from the side into the flat groove of the flat plate fin, and a drainage surface that communicates between the flat plate fins in the step direction is provided on the surface downstream of the flat groove of the flat plate fin, and the flat tube is inserted into the flat groove. It has a configuration in which the direction is tilted in the direction of gravity.
作用
本発明は上記した構成によって、このフィン付熱交換器
を蒸発器として使用し外表面に水滴が凝縮する場合にも
、偏平管上面に滞溜する水滴は偏平管の傾斜した上面に
沿って下流側へ移動した後に段方向に連通ずる排水面を
伝わって下段へ落下することができるため、水滴の落下
を良好にして、気流の通風抵抗の増大と熱伝達5ページ
率の低下を抑えることができる。Effect of the present invention With the above-described configuration, even when this finned heat exchanger is used as an evaporator and water droplets are condensed on the outer surface, the water droplets that accumulate on the upper surface of the flat tube are caused to flow along the slanted upper surface of the flat tube. After moving to the downstream side, water can fall to the lower tier via the drainage surface that communicates with the tiers, so water droplets can fall well and suppress the increase in airflow resistance and the decrease in heat transfer rate. I can do it.
実施例
以下本発明の実施例のフィン付熱交換器について図面を
参照しながら説明する。EXAMPLE Hereinafter, a finned heat exchanger according to an example of the present invention will be described with reference to the drawings.
第1図と第2図は不発明の実施例におけるフィン付熱交
換器の形状を示すもので、第3図は平板フィンの形状、
第41図は偏平管の形状を示す。Figures 1 and 2 show the shape of a heat exchanger with fins in an uninvented embodiment, and Figure 3 shows the shape of a flat fin,
FIG. 41 shows the shape of the flat tube.
第1図から第4図において、7は一定のフィンピッチP
fで平行に並べられた複数の平板フィンで、気流入方向
の前縁側を切り欠き、前縁側から重力g方向にj頃斜し
一定の段方向ピッチPdで形成した偏平溝8と、偏平溝
8より下流側表面に段方向の平板フィン7間を連通する
幅Wの排水面9が設けられている。また平板フィン7の
表面には、気流入方向に平板フィン7を分割したルーバ
10も設けられている。11は前記平板フィンの偏平溝
8に前縁側から重力g方向に傾斜して挿入密着された偏
平管で、長辺11aと短辺11b及び管内を分割する分
割板11cとから構成され、長辺11aが下流側に類6
ページ
斜しながら段ピツチPdで複数段設けられている。12
は偏平管11の両端に接続したヘッダで、偏平管11と
共に冷媒Rの管内流路を構成している。In Figures 1 to 4, 7 is a constant fin pitch P
A plurality of flat plate fins arranged in parallel at f are cut out on the front edge side in the air inflow direction, and a flat groove 8 is formed at a constant pitch Pd in the stepped direction, diagonally from the front edge side in the direction of gravity g at about j, and a flat groove 8. A drainage surface 9 having a width W that communicates between the flat plate fins 7 in the step direction is provided on the surface downstream of the fins 8 . Further, on the surface of the flat fin 7, a louver 10, which is obtained by dividing the flat fin 7 in the air inflow direction, is also provided. Reference numeral 11 denotes a flat tube which is inserted and tightly fitted into the flat groove 8 of the flat plate fin from the front edge side with an inclination in the direction of gravity g, and is composed of a long side 11a, a short side 11b, and a dividing plate 11c that divides the inside of the tube. 11a is on the downstream side class 6
The pages are arranged in a plurality of slanted rows with a row pitch of Pd. 12
are headers connected to both ends of the flat tube 11, and together with the flat tube 11 constitute an internal flow path for the refrigerant R.
以上のように構成されたフィン付熱交換器ついて、以下
第5図と第6図を用いてその動作について説明する。The operation of the finned heat exchanger constructed as above will be described below with reference to FIGS. 5 and 6.
平板フィン7間を流れる気流Aとへラダ12を経て偏平
管11内を流れる冷媒Rとの間で平板フィン7及び偏平
管11を介して熱交換が行なわれる。その際、平板フィ
ン7の表面にはルバ10が設けられているため、平板フ
ィン7の表面に生じる気流Aの温度境界層の発達が抑え
られ、気流Aと平板フィン7との熱伝達率の向上が図ら
れている。また、偏平管11の管内は分割板11cによ
って微小流路化され、偏平管11と冷媒Rとの熱伝達率
の向上が図られている。Heat exchange occurs between the airflow A flowing between the flat fins 7 and the refrigerant R flowing through the flat tube 11 via the ladder 12 via the flat fins 7 and the flat tube 11. At this time, since the louver 10 is provided on the surface of the flat fin 7, the development of a temperature boundary layer of the airflow A generated on the surface of the flat fin 7 is suppressed, and the heat transfer coefficient between the airflow A and the flat fin 7 is reduced. Improvements are being made. Moreover, the inside of the flat tube 11 is made into a microchannel by the dividing plate 11c, and the heat transfer coefficient between the flat tube 11 and the refrigerant R is improved.
またこのフィン付熱交換器を蒸発器として使用し、外表
面に水滴りが凝縮する場合にも、第7ページ
7図に示すように、偏平管11の上面に滞溜する水滴り
は重力g方向に傾斜した偏平管11の上面に沿って下流
側へ移動すると共に、その後段方向に連通する排水面9
を伝わって下段へ落下することができるため、水滴りの
落下を良好にして、気流Aの通風抵抗の増大と熱伝達率
の低下を抑えることができる。Also, when this finned heat exchanger is used as an evaporator and water droplets condense on the outer surface, as shown in Figure 7 on page 7, the water droplets accumulated on the upper surface of the flat tube 11 are A drainage surface 9 that moves downstream along the upper surface of the flat pipe 11 that is inclined in the direction and communicates with the downstream direction.
Since the water droplets can fall to the lower stage through the water, it is possible to improve the falling of water droplets and to suppress an increase in the ventilation resistance of the airflow A and a decrease in the heat transfer coefficient.
以上のように本実施例によれば、気流六方向の前縁側を
切り欠いて構成される偏平溝8を複数段設けた平板フィ
ン7と、前記平板フィン7の偏平溝8に側面から挿入さ
れた偏平管11とから成り、前記平板フィン7の偏平溝
8より下流側表面に段方向の平板フィン7間を連通ずる
排水面9を設けると共に、前記偏平管11の偏平溝8へ
の挿入方向を重力g方向へ傾斜させたことにより、この
フィン付熱交換器を蒸発器として使用し、外表面に水滴
りが凝縮する場合に、偏平管11の上面に滞溜する水滴
りは偏平管11の傾斜した上面に沿って下流側へ移動し
た後に段方向に連通する排水面9を伝わって下段へ落下
することができるため、水滴りの落下を良好にして、気
流Aの通風抵抗の増大と熱伝達率の低下を抑えることが
できる。As described above, according to this embodiment, the flat fin 7 has a plurality of flat grooves 8 formed by cutting out the front edge side in six airflow directions, and the flat fin 7 is inserted into the flat groove 8 of the flat fin 7 from the side. A drainage surface 9 is provided on the downstream surface of the flat plate fins 7 from the flat grooves 8 to communicate between the flat plate fins 7 in the step direction, and a drain surface 9 is provided on the surface of the flat plate fins 7 on the downstream side from the flat grooves 8. By tilting the finned heat exchanger in the direction of gravity g, when this finned heat exchanger is used as an evaporator and water droplets condense on the outer surface, the water droplets that accumulate on the upper surface of the flat tube 11 are removed from the flat tube 11. After moving downstream along the sloping upper surface of the water droplet, the water can fall to the lower tier via the drainage surface 9 that communicates with the tiers, which improves the falling of water droplets and increases the ventilation resistance of the airflow A. Decrease in heat transfer coefficient can be suppressed.
発明の効果
以上のように本発明は、気流方向の前縁側を切り欠いて
構成される偏平溝を複数段設けた平板フィンと、前記平
板フィンの偏平溝に側面から挿入された偏平管とから成
り、前記平板フィンの偏平溝より下流側表面に段方向の
平板フィン間を連通する排水面を設けると共に、前記偏
平管の偏平溝への挿入方向を重力方向へ傾斜させること
により、このフィン付熱交換器を蒸発器として使用し外
表面に水滴が凝縮する場合にも、偏平管の上面に滞溜す
る水滴は偏平管の傾斜した上面に沿って下流側へ移動し
た後に段方向に連通する排水面を伝わって下段へ落下す
ることができるため、水滴の落下を良好にして、気流の
通風抵抗の増大と熱伝達率の低下を抑えることができる
。Effects of the Invention As described above, the present invention comprises a flat fin having a plurality of flat grooves formed by cutting out the front edge side in the airflow direction, and a flat tube inserted into the flat groove of the flat fin from the side. By providing a drainage surface that communicates between the flat plate fins in the step direction on the surface downstream of the flat groove of the flat fin, and by slanting the insertion direction of the flat tube into the flat groove in the direction of gravity, this fin attachment Even when the heat exchanger is used as an evaporator and water droplets condense on the outer surface, the water droplets that accumulate on the top surface of the flat tubes move downstream along the slanted top surface of the flat tubes and then communicate in the direction of the stages. Since the water droplets can fall to the lower level along the drainage surface, it is possible to improve the falling of water droplets and suppress an increase in the ventilation resistance of the airflow and a decrease in the heat transfer coefficient.
9ページ
第1図は本発明の実施例におけるフィン付熱交換器の形
状を示す斜視図、第2図は第1図の要部斜視図、第3図
は第1図の平板フィンの形状を示す平面図、第4図は第
1図の偏平管の形状を示す断面図、第5図は第1図の使
用状態における気流の流動状態を示す断面図、第6図は
第1図の冷媒回路を示す釧視図、第7図は第1図の水滴
付着状況を示す断面図、第8図は従来のフィン付熱交換
器の形状を示す剣視図、第9図は第8図の要部斜視図、
第10図は第8図の波形フィンの形状を示す平面図、第
11図は第8図の偏平管の形状を示す断面図、第12図
は第8図の使用状態における気流の流動状態を示す断面
図、第18図は第8図の冷媒回路を示す斜視図、第14
図は第8図の水滴付着状況を示す断面図である。
7・・・平板フィン、8・・・偏平溝、9・・・排水面
、11・・・偏平管。
代理人の氏名 弁理士 粟野重孝 はか1名第1O図
第
1図
C
第12図
第14図Figure 1 on page 9 is a perspective view showing the shape of a finned heat exchanger in an embodiment of the present invention, Figure 2 is a perspective view of the main part of Figure 1, and Figure 3 shows the shape of the flat fin in Figure 1. FIG. 4 is a sectional view showing the shape of the flat tube shown in FIG. 1, FIG. 5 is a sectional view showing the flow state of airflow in the usage state of FIG. Figure 7 is a cross-sectional view showing the state of water droplet adhesion in Figure 1, Figure 8 is a perspective view showing the shape of a conventional finned heat exchanger, and Figure 9 is a cross-sectional view of the circuit shown in Figure 8. Perspective view of main parts,
Fig. 10 is a plan view showing the shape of the corrugated fin shown in Fig. 8, Fig. 11 is a sectional view showing the shape of the flat tube shown in Fig. 8, and Fig. 12 shows the flow state of the airflow in the operating state shown in Fig. 8. 18 is a perspective view showing the refrigerant circuit in FIG.
The figure is a sectional view showing the state of water droplet adhesion in FIG. 8. 7... Flat plate fin, 8... Flat groove, 9... Drainage surface, 11... Flat pipe. Name of agent: Patent attorney Shigetaka Awano (1 person) Figure 1O Figure 1C Figure 12 Figure 14
Claims (1)
数段設けた平板フィンと、前記平板フィンの偏平溝に側
面から挿入された偏平管とから成り、前記平板フィンの
偏平溝より下流側表面に段方向の平板フィン間を連通す
る排水面を設けると共に、前記偏平管の偏平溝への挿入
方向を重力方向に傾斜させたことを特徴とするフィン付
熱交換器Consisting of a flat fin having multiple stages of flat grooves formed by cutting out the front edge side in the airflow direction, and a flat tube inserted into the flat groove of the flat fin from the side, the flat fin is located downstream of the flat groove of the flat fin. A heat exchanger with fins, characterized in that a drainage surface is provided on the surface to communicate between the flat plate fins in the step direction, and the insertion direction of the flat tubes into the flat grooves is inclined in the direction of gravity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7094589A JPH02251093A (en) | 1989-03-23 | 1989-03-23 | Finned heat exchanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7094589A JPH02251093A (en) | 1989-03-23 | 1989-03-23 | Finned heat exchanger |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02251093A true JPH02251093A (en) | 1990-10-08 |
Family
ID=13446150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7094589A Pending JPH02251093A (en) | 1989-03-23 | 1989-03-23 | Finned heat exchanger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02251093A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001077591A1 (en) * | 2000-04-10 | 2001-10-18 | Zexel Valeo Climate Control Corporation | Heat exchanger |
KR100469791B1 (en) * | 2002-09-04 | 2005-02-02 | 위니아만도 주식회사 | A Radition Structure Of Outside Heat Exchanger For Air-Conditioner |
KR100486565B1 (en) * | 2002-08-20 | 2005-05-03 | 엘지전자 주식회사 | Radiator of heat exchanger |
JP2008101847A (en) * | 2006-10-19 | 2008-05-01 | Daikin Ind Ltd | Air heat exchanger |
JP2010019534A (en) * | 2008-07-14 | 2010-01-28 | Daikin Ind Ltd | Heat exchanger |
JP2010236745A (en) * | 2009-03-31 | 2010-10-21 | Daikin Ind Ltd | Air heat exchanger |
JP2012183554A (en) * | 2011-03-04 | 2012-09-27 | Hidaka Seiki Kk | Manufacturing device for fin for flat tube |
JP2013126817A (en) * | 2011-12-19 | 2013-06-27 | Keihin Thermal Technology Corp | Cooling unit of air conditioner for vehicle |
US20140116667A1 (en) * | 2012-10-29 | 2014-05-01 | Samsung Electronics Co., Ltd. | Heat exchanger |
-
1989
- 1989-03-23 JP JP7094589A patent/JPH02251093A/en active Pending
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001077591A1 (en) * | 2000-04-10 | 2001-10-18 | Zexel Valeo Climate Control Corporation | Heat exchanger |
KR100486565B1 (en) * | 2002-08-20 | 2005-05-03 | 엘지전자 주식회사 | Radiator of heat exchanger |
KR100469791B1 (en) * | 2002-09-04 | 2005-02-02 | 위니아만도 주식회사 | A Radition Structure Of Outside Heat Exchanger For Air-Conditioner |
JP2008101847A (en) * | 2006-10-19 | 2008-05-01 | Daikin Ind Ltd | Air heat exchanger |
JP2010019534A (en) * | 2008-07-14 | 2010-01-28 | Daikin Ind Ltd | Heat exchanger |
JP2010236745A (en) * | 2009-03-31 | 2010-10-21 | Daikin Ind Ltd | Air heat exchanger |
JP2012183554A (en) * | 2011-03-04 | 2012-09-27 | Hidaka Seiki Kk | Manufacturing device for fin for flat tube |
JP2013126817A (en) * | 2011-12-19 | 2013-06-27 | Keihin Thermal Technology Corp | Cooling unit of air conditioner for vehicle |
US20140116667A1 (en) * | 2012-10-29 | 2014-05-01 | Samsung Electronics Co., Ltd. | Heat exchanger |
US10520262B2 (en) * | 2012-10-29 | 2019-12-31 | Samsung Electronics Co., Ltd. | Heat exchanger |
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