JP2002079335A - Heat exchanger, its manufacturing method and its forming apparatus - Google Patents
Heat exchanger, its manufacturing method and its forming apparatusInfo
- Publication number
- JP2002079335A JP2002079335A JP2000271108A JP2000271108A JP2002079335A JP 2002079335 A JP2002079335 A JP 2002079335A JP 2000271108 A JP2000271108 A JP 2000271108A JP 2000271108 A JP2000271108 A JP 2000271108A JP 2002079335 A JP2002079335 A JP 2002079335A
- Authority
- JP
- Japan
- Prior art keywords
- fin
- heat exchanger
- heat transfer
- transfer tube
- fin collar
- 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.)
- Granted
Links
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、空調機や冷凍冷蔵
庫等に用いられるフィンチューブ型の熱交換器に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fin tube type heat exchanger used for air conditioners, refrigerators and the like.
【０００２】[0002]
【従来の技術】近年、省エネルギーの観点から熱交換器
の高効率化が求められている。2. Description of the Related Art In recent years, heat exchangers have been required to have higher efficiency from the viewpoint of energy saving.
【０００３】以下図面を参照しながら特開平１１−３２
５７９２号公報に示される従来の熱交換器について説明
を行う。[0003] Referring to the accompanying drawings,
A conventional heat exchanger disclosed in Japanese Patent No. 5792 will be described.
【０００４】図４は従来の熱交換器の斜視図、図５は従
来の熱交換器の要部断面図である。FIG. 4 is a perspective view of a conventional heat exchanger, and FIG. 5 is a sectional view of a main part of the conventional heat exchanger.
【０００５】図４、図５において、１は熱交換器、２は
伝熱管、、３はフィン、４はフィンカラー、５は空気の
流れ方向、６は冷媒である。熱交換器１は内部に冷媒６
が流動する伝熱管２と伝熱管２に挿入されその間を空気
５が流動する複数枚の矩形状フィン３とより構成され、
フィン３には伝熱管２とフィン３との熱伝達を良くする
ためのフィンカラー４を設けている。In FIGS. 4 and 5, 1 is a heat exchanger, 2 is a heat transfer tube, 3 is a fin, 4 is a fin collar, 5 is an air flow direction, and 6 is a refrigerant. The heat exchanger 1 has a refrigerant 6 inside.
And a plurality of rectangular fins 3 inserted into the heat transfer tube 2 and through which air 5 flows,
The fin 3 is provided with a fin collar 4 for improving the heat transfer between the heat transfer tube 2 and the fin 3.
【０００６】また、図６は従来の熱交換器用フィン成形
装置の模式図である。FIG. 6 is a schematic view of a conventional fin forming apparatus for a heat exchanger.
【０００７】図６において、２１はフィン金型、２２は
フィンシート、２３はドロー工程、２４は表面加工工
程、２５はピアス工程、２６はバーリング工程、２７は
カーリング工程、２９は列間スリッター、３０は送り、
３１はカットオフである。フィンシート２２は、ドロー
工程２２でフィンカラー形成の予備段階としてしごか
れ、表面加工工程２４で、コルゲート加工やスリット加
工を施される。そして、ピアス工程２５ですべての列に
穴明け加工が施され、バーリング工程２６で前記穴に縁
立てが施され、カーリング工程２７で前記縁立て先端が
丸められることで、フィンカラー４が形成される。次に
列間スリッター２９で、任意の列数に切断され、カット
オフ３１で任意の段数に切断され、フィン３が形成され
る。なお、フィン金型２１内にこれらの工程が組み込ま
れており、送り３０において、各列の抜き孔を送り爪に
より引っかけフィンシート２２を順次送り込んでいく。In FIG. 6, 21 is a fin mold, 22 is a fin sheet, 23 is a draw step, 24 is a surface processing step, 25 is a piercing step, 26 is a burring step, 27 is a curling step, 29 is a slitter between rows, 30 is sent,
31 is a cutoff. The fin sheet 22 is wrung out in a preliminary step of forming a fin collar in a draw step 22, and is subjected to corrugating processing and slit processing in a surface processing step 24. In a piercing step 25, all rows are perforated, in a burring step 26, the holes are rimmed, and in a curling step 27, the rim ends are rounded, so that the fin collar 4 is formed. You. Next, the fins 3 are formed by cutting into an arbitrary number of rows by an inter-row slitter 29 and by cutting into an arbitrary number of steps at a cutoff 31. Note that these steps are incorporated in the fin mold 21, and in the feed 30, the holes in each row are hooked by the feed claws to sequentially feed the fin sheet 22.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら、従来の
熱交換器１は上記のように構成されているので、伝熱管
２が挿入されないフィン３部分においてもフィンカラー
４が存在するため、空気５が流れるときの通風抵抗とな
り、通過風量を減少させ、熱交換効率が低下するという
課題を有していた。However, since the conventional heat exchanger 1 is constructed as described above, the fin collar 4 is present even in the fin 3 where the heat transfer tube 2 is not inserted, so that the air 5 is generated. There is a problem that the airflow resistance is caused when the air flows, the amount of airflow is reduced, and the heat exchange efficiency is reduced.
【０００９】本発明は上記課題に鑑み、空気の通風抵抗
を低減させ熱交換効率を向上させる熱交換器を提供する
ものである。The present invention has been made in view of the above problems, and provides a heat exchanger that reduces the ventilation resistance of air and improves heat exchange efficiency.
【００１０】[0010]
【課題を解決するための手段】本発明の熱交換器とその
製造方法およびその成形装置は、上記課題を解決するた
めに、内部を冷媒が流動する伝熱管と、前記伝熱管が挿
入されるフィンカラーを有するフィンより成り、前記伝
熱管が挿入されない任意の前記フィンカラー部について
は前記フィンカラーを外側に倒しながらつぶしたもので
ある。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a heat exchanger according to the present invention, a method for manufacturing the same, and a molding apparatus therefor include a heat transfer tube through which a refrigerant flows, and the heat transfer tube inserted therein. Any fin collar portion made of a fin having a fin collar, into which the heat transfer tube is not inserted, is obtained by crushing the fin collar while tilting the fin collar outward.
【００１１】また、本発明の熱交換器は上記課題を解決
するために、つぶしたフィンカラー部の高さを１mm以下
にしたものである。Further, in order to solve the above-mentioned problems, the heat exchanger of the present invention is configured such that the height of the crushed fin collar portion is 1 mm or less.
【００１２】この発明によれば、空気の通風抵抗を低減
させ、風量を確保させることができるので、熱交換効率
の良い熱交換器を提供することができる。According to the present invention, since the ventilation resistance of the air can be reduced and the air volume can be ensured, a heat exchanger having high heat exchange efficiency can be provided.
【００１３】[0013]
【発明の実施の形態】本発明の請求項１に記載の発明
は、内部を冷媒が流動する伝熱管と、前記伝熱管が挿入
されるフィンカラーを有するフィンより成り、前記伝熱
管が挿入されない前記フィンカラー部については前記フ
ィンカラーを外側に倒しながらつぶしたことを特徴とす
る熱交換器としたものであるので、容易に伝熱管が挿入
されていない部分のフィンカラーをなくすことができ、
通風抵抗を低減することができ、且つ、伝熱管後流部の
死水域の影響を低減でき、熱交換効率を向上させるとい
う作用を有する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention comprises a heat transfer tube through which a refrigerant flows, and a fin having a fin collar into which the heat transfer tube is inserted, wherein the heat transfer tube is not inserted. Since the fin collar portion is a heat exchanger characterized by being crushed while tilting the fin collar outward, it is possible to easily eliminate the fin collar of the portion where the heat transfer tube is not inserted,
This has the effect of reducing ventilation resistance, reducing the influence of dead water areas downstream of the heat transfer tubes, and improving heat exchange efficiency.
【００１４】請求項２に記載の発明は、内部を冷媒が流
動する伝熱管と、前記伝熱管が挿入されるフィンカラー
を有するフィンより成り、前記伝熱管が挿入されない前
記フィンカラー部については前記フィンカラーを外側に
倒しながらつぶしたことを特徴とする熱交換器であり、
つぶした前記フィンカラー部の高さを１mm以下としたこ
とで、より通風抵抗を低減することができ、且つ、伝熱
管後流部の死水域の影響を低減でき、熱交換効率を向上
させるという作用を有する。According to a second aspect of the present invention, there is provided a heat transfer tube through which a refrigerant flows, and a fin having a fin collar into which the heat transfer tube is inserted. It is a heat exchanger characterized by collapsing the fin collar while tilting it outwards,
By reducing the height of the crushed fin collar portion to 1 mm or less, the ventilation resistance can be further reduced, and the influence of dead water in the downstream part of the heat transfer tube can be reduced, thereby improving heat exchange efficiency. Has an action.
【００１５】請求項３および４に記載の発明は、フィン
シートに多数の穴明けをする第１の工程と、前記多数の
穴に縁立てを行い多数のフィンカラーを成形する第２の
工程と、前記フィンカラーの任意の箇所を外側に倒しな
がらつぶす第３の工程と、前記第３の工程を制御する手
段を含む、熱交換器用フィン成形装置を用いて、フィン
カラーをつぶした任意の箇所に伝熱管を挿入せずに熱交
換器を組立たことを特徴とする熱交換器の製造方法であ
り、フィンカラーの任意の位置をつぶすことができると
いう作用を有する。According to the third and fourth aspects of the present invention, there is provided a first step of making a large number of holes in a fin sheet, and a second step of forming a large number of fin collars by rimming the large number of holes. A third step of crushing an arbitrary portion of the fin collar while tilting the fin collar outward, and an arbitrary portion of the fin collar crushed by using a fin forming device for a heat exchanger, including means for controlling the third step. A heat exchanger manufacturing method characterized by assembling a heat exchanger without inserting a heat transfer tube into the fin collar, and has an effect that an arbitrary position of a fin collar can be crushed.
【００１６】[0016]
【実施例】以下、本発明の熱交換器とその製造方法およ
びその成形装置の実施例について、図面を参照しながら
説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a heat exchanger, a method of manufacturing the same, and a molding apparatus thereof according to the present invention will be described below with reference to the drawings.
【００１７】（実施例１）図１は、本発明の実施例１に
よる熱交換器の斜視図である。(First Embodiment) FIG. 1 is a perspective view of a heat exchanger according to a first embodiment of the present invention.
【００１８】図１において、１１は熱交換器、１２は伝
熱管、１３はフィン、１４はフィンカラー、１５は空気
の流れ方向、１６は冷媒である。熱交換器１１は内部に
冷媒１６が流動する伝熱管１２と、伝熱管１２に挿入さ
れ、その間を空気１５が流動する複数枚の矩形状フィン
１３とより構成され、フィン１３には伝熱管１２とフィ
ン１３との熱伝達を良くするためのフィンカラー１４を
設けている。ここで、伝熱管１２の挿入がない部分につ
いてはフィンカラー１４を成形後、抜き孔１７を囲みな
がら、外側に倒れるようにつぶしフィンカラー１８にし
ている。In FIG. 1, 11 is a heat exchanger, 12 is a heat transfer tube, 13 is a fin, 14 is a fin collar, 15 is a flow direction of air, and 16 is a refrigerant. The heat exchanger 11 includes a heat transfer tube 12 into which a refrigerant 16 flows, and a plurality of rectangular fins 13 inserted into the heat transfer tube 12 and flowing air 15 therebetween. A fin collar 14 for improving heat transfer between the fin 13 and the fin 13 is provided. Here, the fin collar 14 is formed in a portion where the heat transfer tube 12 is not inserted, and then the fin collar 18 is formed so as to fall outward while surrounding the hole 17.
【００１９】以上のように構成された本発明の実施例１
の熱交換器１１は熱交換機能上不必要な伝熱管１２の挿
入のない部分のフィンカラー１４成形を容易な方法で除
去できるので、通風抵抗を低減させることができ、且
つ、伝熱管後流部の死水域の影響を低減でき、風量の確
保と熱伝達率の向上により、安価に熱交換効率を向上さ
せることができる。Embodiment 1 of the present invention configured as described above
Since the heat exchanger 11 can remove the fin collar 14 at a portion where the heat transfer tube 12 unnecessary for the heat exchange function is not inserted by an easy method, the ventilation resistance can be reduced, and the wake of the heat transfer tube can be reduced. The effect of the dead water area can be reduced, and the heat exchange efficiency can be improved at low cost by securing the air volume and improving the heat transfer coefficient.
【００２０】（実施例２）図２は、本発明の実施例２に
よる、つぶしフィンカラー高さと熱交換器能力を示した
特性図である。(Embodiment 2) FIG. 2 is a characteristic diagram showing the crushed fin collar height and the heat exchanger capacity according to Embodiment 2 of the present invention.
【００２１】図２において、熱交換器は、２列６段でフ
ィンピッチ４．２mm、フィンカラーつぶし箇所４カ所の
仕様である。つぶしフィンカラー高さが低くなれば熱交
換器能力が向上し、つぶした前記フィンカラー部の高さ
を１mm以下としたことで、より通風抵抗を低減すること
ができ、且つ、伝熱管後流部の死水域の影響を低減で
き、熱交換効率を大幅に向上させることができる。In FIG. 2, the heat exchanger has a specification in which two rows and six stages have a fin pitch of 4.2 mm and four fin collar crushing points. When the height of the crushed fin collar is reduced, the heat exchanger capacity is improved. By setting the height of the crushed fin collar to 1 mm or less, the ventilation resistance can be further reduced, and the wake of the heat transfer tube can be reduced. The effect of the dead water area can be reduced, and the heat exchange efficiency can be greatly improved.
【００２２】（実施例３）図３は、本発明の実施例２に
よる、熱交換器の製造方法およびその成形装置を示した
模式図である。(Embodiment 3) FIG. 3 is a schematic view showing a method of manufacturing a heat exchanger and a molding apparatus thereof according to Embodiment 2 of the present invention.
【００２３】図３において、２８はフィンカラーつぶし
工程である。In FIG. 3, reference numeral 28 denotes a fin collar crushing step.
【００２４】フィンシート２２は、ドロー工程２３でフ
ィンカラー形成の予備段階としてしごかれ、表面加工工
程２４で、コルゲート加工やスリット加工を施される。
そして、ピアス工程２５ですべての列に穴明け加工が施
され、バーリング工程２６で前記穴に縁立てが施され、
カーリング工程２７で前記縁立て先端が丸められること
で、フィンカラー１４が形成される。次に、カラーつぶ
し工程２８でフィンカラー１４の抜き孔１７の内径を維
持し、外側に倒しながらつぶして、フィンカラー１８を
形成する。カラーつぶし工程２８では、複数の小ダイセ
ットがそれぞれ独立して稼働し、任意の位置でフィンカ
ラー１４をつぶすことができるように、前記小ダイセッ
トを制御する制御手段が設けられている。次に列間スリ
ッター２９で、任意の列数に切断され、カットオフ３１
で任意の段数に切断され、フィン１３が形成される。な
お、フィン金型２１内にこれらの工程が組み込まれてお
り、送り３０において、各列の抜き孔１７を送り爪によ
り引っかけフィンシート２２を順次送り込んでいく。し
たがって、順送型の熱交換器用フィン成形装置で容易に
フィンカラーの任意の位置をつぶすことができる。The fin sheet 22 is wrought as a preliminary step of forming a fin collar in a draw step 23, and is subjected to corrugating and slitting in a surface processing step 24.
Then, in a piercing step 25, all rows are perforated, and in a burring step 26, the holes are fringed,
The fin collar 14 is formed by rounding the rim tip in the curling step 27. Next, in the collar crushing step 28, the inner diameter of the hole 17 of the fin collar 14 is maintained, and the fin collar 18 is formed by being crushed while falling outward. In the color crushing step 28, control means for controlling the small die sets is provided so that a plurality of small die sets can operate independently and the fin collar 14 can be crushed at an arbitrary position. Next, the sheet is cut into an arbitrary number of rows by an inter-row slitter 29 and cut off 31.
Is cut into an arbitrary number of steps to form the fins 13. Note that these steps are incorporated in the fin mold 21, and in the feed 30, the punch holes 17 in each row are hooked by the feed claws, and the fin sheet 22 is sequentially fed. Therefore, any position of the fin collar can be easily crushed by the progressive fin forming apparatus for a heat exchanger.
【００２５】[0025]
【発明の効果】以上説明したように請求項１に記載の発
明は、内部を冷媒が流動する伝熱管と、前記伝熱管が挿
入されるフィンカラーを有するフィンより成り、前記伝
熱管が挿入されない前記フィンカラー部については前記
フィンカラーを外側に倒しながらつぶしたことを特徴と
する熱交換器としたものであるので、容易に伝熱管が挿
入されていない部分のフィンカラーをなくすことがで
き、通風抵抗を低減することができ、且つ、伝熱管後流
部の死水域の影響を低減でき、熱交換効率を向上させる
ことができる。As described above, the first aspect of the present invention comprises a heat transfer tube through which a refrigerant flows, and a fin having a fin collar into which the heat transfer tube is inserted, and the heat transfer tube is not inserted. Since the fin collar portion is a heat exchanger characterized by being crushed while tilting the fin collar outward, it is possible to easily eliminate the fin collar of the portion where the heat transfer tube is not inserted, The ventilation resistance can be reduced, the influence of the dead water area in the downstream part of the heat transfer tube can be reduced, and the heat exchange efficiency can be improved.
【００２６】また、請求項２に記載の発明は、内部を冷
媒が流動する伝熱管と、前記伝熱管が挿入されるフィン
カラーを有するフィンより成り、前記伝熱管が挿入され
ない前記フィンカラー部については前記フィンカラーを
外側に倒しながらつぶしたことを特徴とする熱交換器で
あり、つぶした前記フィンカラー部の高さを１mm以下と
したことで、より通風抵抗を低減することができ、且
つ、伝熱管後流部の死水域の影響を低減でき、熱交換効
率を向上させることができる。According to a second aspect of the present invention, there is provided a fin collar portion including a heat transfer tube through which a refrigerant flows, and a fin having a fin collar into which the heat transfer tube is inserted, wherein the heat transfer tube is not inserted. Is a heat exchanger characterized in that the fin collar is collapsed while falling outward, and the height of the collapsed fin collar portion is set to 1 mm or less, so that the ventilation resistance can be further reduced, and In addition, the influence of the dead water area downstream of the heat transfer tube can be reduced, and the heat exchange efficiency can be improved.
【００２７】また、請求項３および４に記載の発明は、
フィンシートに多数の穴明けをする第１の工程と、前記
多数の穴に縁立てを行い多数のフィンカラーを成形する
第２の工程と、前記フィンカラーの任意の箇所を外側に
倒しながらつぶす第３の工程と、前記第３の工程を制御
する手段を含む、熱交換器用フィン成形装置を用いて、
フィンカラーをつぶした任意の箇所に伝熱管を挿入せず
に熱交換器を組立たことを特徴とする熱交換器の製造方
法であり、フィンカラーの任意の位置をつぶすことがで
きる。The invention according to claims 3 and 4 is:
A first step of forming a large number of holes in the fin sheet; a second step of forming a large number of fin collars by rimping the large number of holes; Using a fin forming apparatus for a heat exchanger, including a third step and means for controlling the third step,
A method for manufacturing a heat exchanger, comprising assembling a heat exchanger without inserting a heat transfer tube into an arbitrary position where a fin collar is crushed, wherein an arbitrary position of the fin collar can be crushed.
【図１】本発明による熱交換器の実施例１の斜視図FIG. 1 is a perspective view of a first embodiment of a heat exchanger according to the present invention.
【図２】本発明による熱交換器の実施例２の特性図FIG. 2 is a characteristic diagram of a heat exchanger according to a second embodiment of the present invention.
【図３】本発明による熱交換器用フィン成形装置の実施
例３の模式図FIG. 3 is a schematic view of a third embodiment of a fin forming apparatus for a heat exchanger according to the present invention.
【図４】従来の熱交換器の斜視図FIG. 4 is a perspective view of a conventional heat exchanger.
【図５】従来の熱交換器の要部斜視図FIG. 5 is a perspective view of a main part of a conventional heat exchanger.
【図６】従来の熱交換器用フィン成形装置の模式図FIG. 6 is a schematic view of a conventional fin forming apparatus for a heat exchanger.
１１ 熱交換器 １２ 伝熱管 １３ フィン １４，１８ フィンカラー ２１ フィン金型 ２２ フィンシート ２３ ドロー工程 ２４ 表面加工工程 ２５ ピアス工程 ２６ バーリング工程 ２７ カーリング工程 ２８ カラーつぶし工程 Reference Signs List 11 heat exchanger 12 heat transfer tube 13 fin 14, 18 fin collar 21 fin mold 22 fin sheet 23 draw step 24 surface processing step 25 piercing step 26 burring step 27 curling step 28 color crushing step
Claims (4)
熱管が挿入されるフィンカラーを有するフィンより成
り、前記伝熱管が挿入されない前記フィンカラー部につ
いては前記フィンカラーを外側に倒しながらつぶしたこ
とを特徴とする熱交換器。1. A heat transfer tube through which a refrigerant flows, and a fin having a fin collar into which the heat transfer tube is inserted. The fin collar portion into which the heat transfer tube is not inserted is formed by tilting the fin collar outward. A heat exchanger characterized by being crushed.
下にしたことを特徴とする請求項１記載の熱交換器。2. The heat exchanger according to claim 1, wherein the height of the crushed fin collar is 1 mm or less.
の工程と、前記多数の穴に縁立てを行い多数のフィンカ
ラーを成形する第２の工程と、前記フィンカラーの任意
の箇所を外側に倒しながらつぶす第３の工程とを含む、
フィン成形工程より成り、フィンカラーをつぶした任意
の箇所に伝熱管を挿入せずに熱交換器を組立たことを特
徴とする熱交換器の製造方法。3. A first method for making a large number of holes in a fin sheet.
And a second step of shaping the large number of holes to form a large number of fin collars, and a third step of crushing any part of the fin collars while tilting them outward.
A method for manufacturing a heat exchanger, comprising a fin forming step, wherein a heat exchanger is assembled without inserting a heat transfer tube into an arbitrary portion where a fin collar is crushed.
の工程と、前記多数の穴に縁立てを行い多数のフィンカ
ラーを成形する第２の工程と、前記フィンカラーの任意
の箇所を外側に倒しながらつぶす第３の工程と、前記第
３の工程を制御する手段を含む、熱交換器用フィン成形
装置。4. A first method for making a large number of holes in a fin sheet.
A second step of forming a large number of fin collars by fringing the large number of holes; a third step of crushing an arbitrary portion of the fin collars while tilting them outward; and a third step. Fin forming apparatus for a heat exchanger, comprising: means for controlling a fin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000271108A JP3872266B2 (en) | 2000-09-07 | 2000-09-07 | Heat exchanger, method for manufacturing the same, and molding apparatus therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000271108A JP3872266B2 (en) | 2000-09-07 | 2000-09-07 | Heat exchanger, method for manufacturing the same, and molding apparatus therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002079335A true JP2002079335A (en) | 2002-03-19 |
| JP3872266B2 JP3872266B2 (en) | 2007-01-24 |
Family
ID=18757441
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000271108A Expired - Fee Related JP3872266B2 (en) | 2000-09-07 | 2000-09-07 | Heat exchanger, method for manufacturing the same, and molding apparatus therefor |
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|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004116845A (en) * | 2002-09-25 | 2004-04-15 | Matsushita Refrig Co Ltd | Heat exchanger and its manufacturing method |
| WO2013094162A1 (en) * | 2011-12-19 | 2013-06-27 | パナソニック株式会社 | Finned heat exchanger |
-
2000
- 2000-09-07 JP JP2000271108A patent/JP3872266B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004116845A (en) * | 2002-09-25 | 2004-04-15 | Matsushita Refrig Co Ltd | Heat exchanger and its manufacturing method |
| WO2013094162A1 (en) * | 2011-12-19 | 2013-06-27 | パナソニック株式会社 | Finned heat exchanger |
| CN103765149A (en) * | 2011-12-19 | 2014-04-30 | 松下电器产业株式会社 | Finned heat exchanger |
| JPWO2013094162A1 (en) * | 2011-12-19 | 2015-04-27 | パナソニックＩｐマネジメント株式会社 | Finned heat exchanger |
| CN103765149B (en) * | 2011-12-19 | 2016-11-16 | 松下电器产业株式会社 | Finned heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3872266B2 (en) | 2007-01-24 |
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