JPH0849995A - Heat exchanger - Google Patents
Heat exchangerInfo
- Publication number
- JPH0849995A JPH0849995A JP18578694A JP18578694A JPH0849995A JP H0849995 A JPH0849995 A JP H0849995A JP 18578694 A JP18578694 A JP 18578694A JP 18578694 A JP18578694 A JP 18578694A JP H0849995 A JPH0849995 A JP H0849995A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- longitudinal direction
- heat exchanger
- recess
- hole
- 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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、コンデンサー，ラジエ
ータ，オイルクーラ，ヒーターコア等の熱交換器に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchanger such as a condenser, a radiator, an oil cooler and a heater core.
【０００２】[0002]
【従来の技術】従来、コンデンサー，ラジエータ，オイ
ルクーラ，ヒーターコア等の熱交換器として、例えば、
特開平４−２８４３８号公報に開示されるものが知られ
ている。2. Description of the Related Art Conventionally, as heat exchangers for condensers, radiators, oil coolers, heater cores, etc., for example,
The one disclosed in Japanese Patent Laid-Open No. 4-28438 is known.
【０００３】図１２および図１３は、この種の熱交換器
の要部を示すもので、この熱交換器では、アルミニウム
からなるヘッダーパイプ１１の長手方向に所定間隔を置
いてチューブ孔１３が形成されている。12 and 13 show the essential parts of this type of heat exchanger. In this heat exchanger, tube holes 13 are formed at predetermined intervals in the longitudinal direction of a header pipe 11 made of aluminum. Has been done.
【０００４】チューブ孔１３には、外周に多数の凹部１
５が形成されるチューブ１７の端部１９が嵌挿され、チ
ューブ１７の端部１９が、チューブ孔１３の内面にろう
付けされている。The tube hole 13 has a large number of recesses 1 on its outer periphery.
The end portion 19 of the tube 17 in which 5 is formed is fitted and the end portion 19 of the tube 17 is brazed to the inner surface of the tube hole 13.
【０００５】そして、この熱交換器では、チューブ１７
の端部１９が、凹部１５の形成されない平坦部とされ、
この平坦部をチューブ孔１３にろう付けすることによ
り、液密性が確保されている。In this heat exchanger, the tube 17
End portion 19 of is a flat portion in which the concave portion 15 is not formed,
By brazing this flat portion to the tube hole 13, liquid tightness is ensured.
【０００６】しかしながら、このようにチューブ１７の
端部１９を平坦にすると、チューブ１７の端部１９の耐
圧強度が低下し、強度不足になる。そこで、従来、図１
４に示すように、チューブ１７の端部１９の長手方向
に、比較的長さの長い長凹部２１を形成するとともに、
ヘッダーパイプ１１に、図１５に示すような形状のチュ
ーブ孔２３を形成し、このチューブ孔２３に、長凹部２
１の形成された端部１９を嵌挿することが行われてい
る。However, when the end portion 19 of the tube 17 is flattened in this way, the pressure resistance strength of the end portion 19 of the tube 17 is lowered, and the strength is insufficient. Therefore, conventionally, FIG.
As shown in FIG. 4, a long recess 21 having a relatively long length is formed in the longitudinal direction of the end portion 19 of the tube 17, and
A tube hole 23 having a shape as shown in FIG. 15 is formed in the header pipe 11, and the long recess 2 is formed in the tube hole 23.
It is performed to insert the end portion 19 formed with 1.
【０００７】[0007]
【発明が解決しようとする課題】しかしながら、このよ
うな従来の熱交換器では、長凹部２１のためにチューブ
１７の端部１９の形状が複雑になり、また、チューブ孔
２３の形状が複雑になるため、チューブ孔２３とチュー
ブ１７との嵌合精度を維持することが困難になり、ろう
付け不良が発生する虞れがあるという問題があった。However, in such a conventional heat exchanger, the elongated recess 21 complicates the shape of the end portion 19 of the tube 17, and the tube hole 23 has a complicated shape. Therefore, it becomes difficult to maintain the fitting accuracy of the tube hole 23 and the tube 17, and there is a problem that defective brazing may occur.
【０００８】また、チューブ１７の端部１９に長凹部２
１が形成されるため、凹部１５と長凹部２１とを成形す
る機能を備えた専用の成形ロールが必要になるとうい問
題があった。Further, the long recess 2 is formed in the end portion 19 of the tube 17.
1 is formed, there is a problem that a dedicated forming roll having a function of forming the concave portion 15 and the long concave portion 21 is required.
【０００９】さらに、チューブ１７の素材がアルミニウ
ムであるため、凹部１５の成形ピッチのバラツキが大き
く、このバラツキにより長凹部２１と長凹部２１との間
隔が変動するため、連続したロール成形が困難になると
いう問題があった。Further, since the material of the tube 17 is aluminum, there is a large variation in the molding pitch of the concave portions 15, and the variation between the long concave portions 21 and the long concave portions 21 makes continuous roll molding difficult. There was a problem of becoming.
【００１０】本発明は、かかる従来の問題を解決するた
めになされたもので、チューブの端部に凹部を形成した
場合にも、チューブの端部をチューブ孔に確実にろう付
けすることができる熱交換器を提供することを目的とす
る。The present invention has been made in order to solve such a conventional problem. Even when a recess is formed in the end of the tube, the end of the tube can be surely brazed to the tube hole. It is intended to provide a heat exchanger.
【００１１】[0011]
【課題を解決するための手段】本発明の熱交換器は、ア
ルミニウムからなるヘッダープレートまたはヘッダーパ
イプの長手方向に間隔を置いて形成されるチューブ孔
に、外周に多数の凹部が形成されるチューブの端部を嵌
挿し、前記チューブの端部を前記チューブ孔の内面にろ
う付けしてなる熱交換器において、前記チューブの凹部
を、チューブの長手方向に直交する方向に直線状に、か
つ、チューブの長手方向に所定ピッチを置いて形成する
とともに、前記チューブ孔の縁部に、前記所定ピッチよ
り長い突出部を一体形成してなるものである。The heat exchanger of the present invention is a tube in which a large number of recesses are formed in the outer periphery of tube holes formed at intervals in the longitudinal direction of a header plate or header pipe made of aluminum. In the heat exchanger formed by fitting and inserting the end portion of the tube into the inner surface of the tube hole, the concave portion of the tube is linear in a direction orthogonal to the longitudinal direction of the tube, and The tube is formed at a predetermined pitch in the longitudinal direction of the tube, and a protrusion longer than the predetermined pitch is integrally formed at the edge of the tube hole.
【００１２】[0012]
【作用】本発明の熱交換器では、チューブの凹部を、チ
ューブの長手方向に直交する方向に直線状に、かつ、チ
ューブの長手方向に所定ピッチを置いて形成し、チュー
ブ孔の縁部に、前記所定ピッチより長い突出部を一体形
成したので、チューブの端部を突出部の先端まで挿入す
ると、チューブの長手方向の凹部と凹部との間に位置す
る平坦部が、必ず突出部内に位置され、この平坦部が突
出部の内周面にろう付けされる。In the heat exchanger of the present invention, the recessed portion of the tube is formed linearly in the direction orthogonal to the longitudinal direction of the tube and at a predetermined pitch in the longitudinal direction of the tube, and is formed at the edge of the tube hole. Since the protruding portion longer than the predetermined pitch is integrally formed, when the end of the tube is inserted to the tip of the protruding portion, the flat portion located between the recessed portions in the longitudinal direction of the tube is always located in the protruding portion. The flat portion is brazed to the inner peripheral surface of the protrusion.
【００１３】[0013]
【実施例】以下、本発明の詳細を図面に示す実施例につ
いて説明する。図１は、本発明の熱交換器をコンデンサ
ーに適用した一実施例を示すもので、図において符号３
１は、所定間隔を置いて対向配置される一対のヘッダー
を示している。Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows an embodiment in which the heat exchanger of the present invention is applied to a condenser.
Reference numeral 1 denotes a pair of headers that are arranged opposite to each other at a predetermined interval.
【００１４】このヘッダー３１は、ヘッダータンク３３
とヘッダープレート３５とをろう付けして形成されてい
る。ヘッダータンク３３およびヘッダープレート３５
は、外側面にろう材がクラッドされたアルミニウムによ
り形成されている。The header 31 is a header tank 33.
And the header plate 35 are brazed together. Header tank 33 and header plate 35
Is formed of aluminum whose outer surface is clad with a brazing material.
【００１５】ヘッダープレート３５の長手方向には、図
２に示すように、所定間隔を置いてチューブ孔３７が形
成されている。このチューブ孔３７には、外周に多数の
凹部３９が形成されるチューブ４１の端部が嵌挿されて
いる。As shown in FIG. 2, tube holes 37 are formed at predetermined intervals in the longitudinal direction of the header plate 35. Into the tube hole 37, an end of a tube 41 having a large number of recesses 39 formed on the outer periphery is fitted.
【００１６】しかして、この実施例では、チューブ４１
の凹部３９が、図３に示すように、チューブ４１の長手
方向に直交する方向に直線状に、かつ、チューブ４１の
長手方向に所定ピッチＰを置いて形成されている。However, in this embodiment, the tube 41
As shown in FIG. 3, the recesses 39 are formed linearly in the direction orthogonal to the longitudinal direction of the tube 41 and at a predetermined pitch P in the longitudinal direction of the tube 41.
【００１７】このチューブ４１は、内外両面にろう材が
クラッドされたアルミニウムにより形成されており、図
４に示すように、チューブ４１の一側面に形成される凹
部３９と、他側面に形成される凹部３９とがろう付け４
３されている。The tube 41 is made of aluminum whose inner and outer surfaces are clad with a brazing filler metal, and as shown in FIG. Brazing 4 with recess 39
3 has been done.
【００１８】そして、図５に示すように、ヘッダープレ
ート３５のチューブ孔３７の縁部に、前記所定ピッチＰ
より長い高さＨを有する突出部４５が、一体形成されて
いる。Then, as shown in FIG. 5, the predetermined pitch P is provided at the edge of the tube hole 37 of the header plate 35.
A protrusion 45 having a longer height H is integrally formed.
【００１９】なお、この実施例では、図６に示すよう
に、ヘッダープレート３５に形成される突出部４５の一
側に、チューブ４１の接合端部４７が嵌挿されるスリッ
ト部４９が形成されている。In this embodiment, as shown in FIG. 6, a slit portion 49 into which the joint end portion 47 of the tube 41 is fitted is formed on one side of the protruding portion 45 formed on the header plate 35. There is.
【００２０】図７は、ヘッダープレート３５への突出部
４５の成形方法を示すもので、この方法では、先ず、
（ａ）に示すように、素材５１をポンチ５３により金型
５５に向けて押圧し、円弧状の凹部５７を形成する絞り
成形が行われる。FIG. 7 shows a method of forming the protrusion 45 on the header plate 35. In this method, first,
As shown in (a), the material 51 is pressed by the punch 53 toward the die 55, and drawing is performed to form the arc-shaped recess 57.
【００２１】次に、（ｂ）に示すように、ポンチ５９の
幅がポンチ５３の幅より小さくされ、ポンチ５９により
凹部５７の底面を突く底突き成形が行われ、凹部５７よ
り深い凹部６１が形成される。Next, as shown in (b), the width of the punch 59 is made smaller than the width of the punch 53, and bottom punching for punching the bottom surface of the recess 57 is performed by the punch 59 to form a recess 61 deeper than the recess 57. It is formed.
【００２２】そして、さらに、（ｃ）に示すように、ポ
ンチ６３の幅がポンチ５９の幅よりさらに小さくされ、
ポンチ６３により凹部６１の底面を突く底突き成形が行
われ、凹部６１より深い凹部６５が形成される。Further, as shown in (c), the width of the punch 63 is made smaller than the width of the punch 59,
Bottom punching for punching the bottom surface of the recess 61 is performed by the punch 63, and a recess 65 deeper than the recess 61 is formed.
【００２３】この後、（ｄ）に示すように、ポンチ６７
の幅がポンチ６３の幅よりさらに小さくされ、また、金
型６９に形成される穴部７１の幅が、凹部６５の幅より
狭められ、この状態でポンチ６７を凹部６５に挿入し、
凹部６５の内面を矯正するとともに、凹部６５の底面を
突き抜く矯正・突き抜き成形が行われる。After this, as shown in FIG.
Is made smaller than the width of the punch 63, and the width of the hole 71 formed in the mold 69 is made narrower than the width of the recess 65. In this state, the punch 67 is inserted into the recess 65,
The inner surface of the recess 65 is straightened, and the bottom surface of the recess 65 is punched out for straightening and punching.
【００２４】この後、（ｅ）に示すように、ポンチ７３
の幅がポンチ６７の幅より大きくされ、ポンチ７３を孔
部７５に挿入し、突出部７７の長さを増大するシゴキ成
形が行われ、これにより、突出部４５が形成される。After this, as shown in FIG.
Is made wider than the width of the punch 67, the punch 73 is inserted into the hole 75, and the squeeze molding is performed to increase the length of the protrusion 77, whereby the protrusion 45 is formed.
【００２５】上述した熱交換器は、例えば、ヘッダープ
レート３５のチューブ孔３７に、チューブ４１の間に図
示しないフィンを配置した状態で、チューブ４１の端部
を嵌挿した後、ヘッダープレート３５にヘッダータンク
３３を組み込み、この後、フラックスを塗布し、炉内で
加熱することにより、ろう材が溶融し、ヘッダータンク
３３とヘッダープレート３５、ヘッダープレート３５と
チューブ４１、チューブ４１の凹部３９と凹部３９、お
よびチューブ４１とフィンとがろう付けされる。In the heat exchanger described above, for example, with the fins (not shown) arranged between the tubes 41 in the tube holes 37 of the header plate 35, the ends of the tubes 41 are fitted and then inserted into the header plate 35. The header tank 33 is assembled, and then the flux is applied and heated in a furnace to melt the brazing filler metal, and the header tank 33 and the header plate 35, the header plate 35 and the tube 41, and the recess 39 and the recess of the tube 41. 39, and the tube 41 and the fin are brazed.
【００２６】しかして、上述した熱交換器では、チュー
ブ４１の凹部３９を、チューブ４１の長手方向に直交す
る方向に直線状に、かつ、チューブ４１の長手方向に所
定ピッチＰを置いて形成し、チューブ孔３７の縁部に、
前記所定ピッチＰより長い高さＨを有する突出部４５を
一体形成したので、図８に示すように、チューブ４１の
端部を突出部４５の先端まで挿入すると、チューブ４１
の長手方向の凹部３９と凹部３９との間に位置する平坦
部７９が、必ず突出部４５内に位置され、この平坦部７
９が突出部４５の内周面にろう付けされるため、チュー
ブ４１の端部に凹部３９を形成した場合にも、チューブ
４１の端部をチューブ孔３７に確実にろう付けすること
ができる。In the above heat exchanger, however, the concave portions 39 of the tube 41 are formed linearly in the direction orthogonal to the longitudinal direction of the tube 41 and at a predetermined pitch P in the longitudinal direction of the tube 41. , At the edge of the tube hole 37,
Since the protruding portion 45 having a height H longer than the predetermined pitch P is integrally formed, when the end portion of the tube 41 is inserted to the tip of the protruding portion 45 as shown in FIG.
The flat portion 79 located between the concave portions 39 in the longitudinal direction of the flat portion 7 is always located in the projecting portion 45.
Since 9 is brazed to the inner peripheral surface of the protrusion 45, the end of the tube 41 can be reliably brazed to the tube hole 37 even when the recess 39 is formed at the end of the tube 41.
【００２７】すなわち、上述した熱交換器では、従来の
ようにチューブ１７の端部１９に、長凹部２１を形成す
る必要がなくなるため、チューブ４１の端部およびチュ
ーブ孔３７の形状が単純になり、チューブ４１とチュー
ブ孔３７との嵌合精度を容易に確保することが可能にな
り、チューブ４１の端部をチューブ孔３７に確実にろう
付けすることができる。That is, in the heat exchanger described above, it is not necessary to form the long concave portion 21 in the end portion 19 of the tube 17 as in the conventional case, so that the shape of the end portion of the tube 41 and the tube hole 37 is simplified. The fitting accuracy of the tube 41 and the tube hole 37 can be easily ensured, and the end portion of the tube 41 can be reliably brazed to the tube hole 37.
【００２８】また、チューブ４１には、凹部３９のみが
全体に形成されるため、従来のように凹部１５と長凹部
２１とを成形する機能を備えた専用の成形ロールが不要
になり、生産性を向上することができる。Further, since only the recess 39 is formed on the whole of the tube 41, a dedicated forming roll having a function of forming the recess 15 and the long recess 21 as in the conventional case is not required, and productivity is improved. Can be improved.
【００２９】さらに、長凹部２１が不要になるため、凹
部３９の成形ピッチのバラツキが問題になることがなく
なり、この結果、連続したロール成形を行うことが容易
に可能になる。Further, since the long concave portion 21 is not necessary, variations in the molding pitch of the concave portion 39 do not become a problem, and as a result, continuous roll molding can be easily performed.
【００３０】図９は、本発明の第２の実施例の要部を示
すもので、この実施例では、図１に示したヘッダータン
ク３３とヘッダープレート３５とが一体化され、円筒状
のヘッダーパイプ８１とされている。FIG. 9 shows an essential part of the second embodiment of the present invention. In this embodiment, the header tank 33 and the header plate 35 shown in FIG. 1 are integrated to form a cylindrical header. It is a pipe 81.
【００３１】このヘッダーパイプ８１は、外周面にろう
材がクラッドされたアルミニウムにより形成されてい
る。そして、ヘッダーパイプ８１の一側に、所定間隔を
置いてチューブ孔３７が形成され、このチューブ孔３７
の縁部に、突出部４５が一体形成されている。The header pipe 81 is made of aluminum whose outer peripheral surface is clad with a brazing material. Then, on one side of the header pipe 81, the tube holes 37 are formed at a predetermined interval, and the tube holes 37 are formed.
The protruding portion 45 is integrally formed at the edge portion of the.
【００３２】この実施例の熱交換器においても、第１の
実施例とほぼ同様の効果を得ることができる。図１０
は、本発明の第３の実施例の要部を示すもので、この実
施例では、両面にろう材がクラッドされたアルミニウム
からなる板材を筒状に成形するとともに、板材の両端を
折曲し、折曲部８３を突き合わせてろう付けすることに
よりヘッダーパイプ８５が形成されている。Also in the heat exchanger of this embodiment, it is possible to obtain substantially the same effects as in the first embodiment. Figure 10
Shows an essential part of the third embodiment of the present invention. In this embodiment, a plate material made of aluminum with brazing material clad on both sides is formed into a tubular shape, and both ends of the plate material are bent. The header pipe 85 is formed by butting and brazing the bent portions 83.
【００３３】この実施例の熱交換器においても、第２の
実施例とほぼ同様の効果を得ることができる。図１１
は、本発明の第４の実施例の要部を示すもので、この実
施例では、板材の一端に薄肉部８６を形成し、この薄肉
部８６に板材の他端を重ねることによりヘッダーパイプ
８７が形成されている。Also in the heat exchanger of this embodiment, it is possible to obtain substantially the same effects as in the second embodiment. Figure 11
Shows a main part of the fourth embodiment of the present invention. In this embodiment, a thin wall portion 86 is formed at one end of the plate material, and the other end of the plate material is overlapped with this thin wall portion 86 to form a header pipe 87. Are formed.
【００３４】この実施例の熱交換器においても、第２の
実施例とほぼ同様の効果を得ることができる。なお、以
上述べた実施例では、コンデンサーに本発明を適用した
例について説明したが、本発明はかかる実施例に限定さ
れるものではなく、例えば、ラジエータ，オイルクー
ラ，ヒーターコア等の熱交換器にも適用することができ
る。Also in the heat exchanger of this embodiment, it is possible to obtain substantially the same effects as in the second embodiment. In addition, in the above-mentioned embodiment, the example in which the present invention is applied to the condenser has been described, but the present invention is not limited to such an embodiment, and for example, a heat exchanger such as a radiator, an oil cooler, or a heater core. Can also be applied to.
【００３５】また、チューブ孔３７の形状は、図２に限
定されるものではなく、チューブの断面形状に合わせた
形状であれば良い。The shape of the tube hole 37 is not limited to that shown in FIG. 2 and may be any shape that matches the sectional shape of the tube.
【００３６】[0036]
【発明の効果】以上述べたように、本発明の熱交換器で
は、チューブの端部を突出部の先端まで挿入すると、チ
ューブの長手方向の凹部と凹部との間に位置する平坦部
が、必ず突出部内に位置され、この平坦部が突出部の内
周面にろう付けされるため、チューブの端部に凹部を形
成した場合にも、チューブの端部をチューブ孔に確実に
ろう付けすることができるという利点がある。As described above, in the heat exchanger of the present invention, when the end portion of the tube is inserted to the tip of the projecting portion, the flat portion located between the recessed portions in the longitudinal direction of the tube becomes Be sure to braze the end of the tube to the tube hole even if a recess is formed at the end of the tube because it is always located inside the protrusion and this flat part is brazed to the inner peripheral surface of the protrusion. There is an advantage that you can.
【図１】本発明の熱交換器の第１の実施例を示す断面図
である。FIG. 1 is a sectional view showing a first embodiment of a heat exchanger of the present invention.
【図２】図１のヘッダープレートを内側から見た状態を
示す上面図である。FIG. 2 is a top view showing a state where the header plate of FIG. 1 is viewed from the inside.
【図３】図１の熱交換器のチューブの一部を示す上面図
である。FIG. 3 is a top view showing a part of a tube of the heat exchanger of FIG.
【図４】図３のチューブを示す横断面図である。4 is a cross-sectional view showing the tube of FIG.
【図５】図１のヘッダープレートにチューブを嵌合した
状態を示す断面図である。5 is a cross-sectional view showing a state where a tube is fitted to the header plate of FIG.
【図６】図１のヘッダープレートに形成される突出部を
示す斜視図である。FIG. 6 is a perspective view showing a protrusion formed on the header plate of FIG.
【図７】図１のヘッダープレートへの突出部の成形方法
を示す説明図である。7A and 7B are explanatory views showing a method of forming a protrusion on the header plate of FIG.
【図８】図１のヘッダープレートにチューブを嵌合した
状態を示す説明図である。FIG. 8 is an explanatory view showing a state where a tube is fitted to the header plate of FIG.
【図９】本発明の熱交換器の第２の実施例のヘッダーパ
イプを示す斜視図である。FIG. 9 is a perspective view showing a header pipe of a second embodiment of the heat exchanger of the present invention.
【図１０】本発明の熱交換器の第３の実施例のヘッダー
パイプを示す斜視図である。FIG. 10 is a perspective view showing a header pipe of a third embodiment of the heat exchanger of the present invention.
【図１１】本発明の熱交換器の第４の実施例のヘッダー
パイプを示す斜視図である。FIG. 11 is a perspective view showing a header pipe of a fourth embodiment of the heat exchanger of the present invention.
【図１２】従来の熱交換器の一部を示す断面図である。FIG. 12 is a cross-sectional view showing a part of a conventional heat exchanger.
【図１３】図１１の熱交換器の一部を示す横断面図であ
る。13 is a cross-sectional view showing a part of the heat exchanger of FIG.
【図１４】チューブの他の例を示す斜視図である。FIG. 14 is a perspective view showing another example of a tube.
【図１５】図１３のチューブが嵌挿されるチューブ孔を
示す説明図である。15 is an explanatory view showing a tube hole into which the tube of FIG. 13 is fitted.
３５ ヘッダープレート ３７ チューブ孔 ３９ 凹部 ４１ チューブ ４５ 突出部 ８１，８５ ヘッダーパイプ 35 Header Plate 37 Tube Hole 39 Recess 41 Tube 45 Projection 81,85 Header Pipe
Claims (1)
（３５）またはヘッダーパイプ（８１，８５，８７）の
長手方向に間隔を置いて形成されるチューブ孔（３７）
に、外周に多数の凹部（３９）が形成されるチューブ
（４１）の端部を嵌挿し、前記チューブ（４１）の端部
を前記チューブ孔（３７）の内面にろう付けしてなる熱
交換器において、 前記チューブ（４１）の凹部（３９）を、チューブ（４
１）の長手方向に直交する方向に直線状に、かつ、チュ
ーブ（４１）の長手方向に所定ピッチを置いて形成する
とともに、前記チューブ孔（３７）の縁部に、前記所定
ピッチより長い突出部（４５）を一体形成してなること
を特徴とする熱交換器。1. Tube holes (37) formed at intervals in the longitudinal direction of a header plate (35) or header pipe (81, 85, 87) made of aluminum.
A heat exchange in which an end portion of a tube (41) having a large number of recesses (39) formed on the outer periphery is fitted and inserted into the inner surface of the tube hole (37). In the container, the recess (39) of the tube (41) is replaced by
1) is formed linearly in a direction perpendicular to the longitudinal direction of the tube (41) with a predetermined pitch in the longitudinal direction of the tube (41), and protrudes at the edge of the tube hole (37) longer than the predetermined pitch. A heat exchanger characterized in that the part (45) is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18578694A JP3183610B2 (en) | 1994-08-08 | 1994-08-08 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18578694A JP3183610B2 (en) | 1994-08-08 | 1994-08-08 | Heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0849995A true JPH0849995A (en) | 1996-02-20 |
| JP3183610B2 JP3183610B2 (en) | 2001-07-09 |
Family
ID=16176879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18578694A Expired - Fee Related JP3183610B2 (en) | 1994-08-08 | 1994-08-08 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3183610B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0853227A2 (en) | 1997-01-14 | 1998-07-15 | Zexel Corporation | Heat exchanger |
| DE19728247C2 (en) * | 1996-07-03 | 2003-01-30 | Zexel Valeo Climate Contr Corp | Flat tube for a heat exchanger |
-
1994
- 1994-08-08 JP JP18578694A patent/JP3183610B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19728247C2 (en) * | 1996-07-03 | 2003-01-30 | Zexel Valeo Climate Contr Corp | Flat tube for a heat exchanger |
| EP0853227A2 (en) | 1997-01-14 | 1998-07-15 | Zexel Corporation | Heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3183610B2 (en) | 2001-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR0122533B1 (en) | Heat exchanger tube and manufacture to decrease welding fault with head pipe | |
| US5842515A (en) | Heat exchanger and method of manufacturing header pipe for the same | |
| US5052478A (en) | Pipe for coolant condenser | |
| JPH05172488A (en) | Partition plate assembling structure of header pipe for heat exchanger and assembling method therefor | |
| US7823630B2 (en) | Tube for heat exchanger and method of manufacturing tube | |
| JP2001041675A (en) | Tube for heat exchanger and heat exchanger | |
| US5214847A (en) | Method for manufacturing a heat exchanger | |
| US6662863B2 (en) | Structure of heat exchanger tank | |
| JP3417310B2 (en) | Plate fin heat exchanger and method of manufacturing the same | |
| JPH087247Y2 (en) | Heat exchanger | |
| JPH0849995A (en) | Heat exchanger | |
| JP3433400B2 (en) | Forming method of protruding hole | |
| JPS59225900A (en) | Production of heat exchanger | |
| JP4255996B2 (en) | Core structure of heat exchanger | |
| JPH11101594A (en) | Heat exchanger for air-conditioning | |
| JP2003035498A (en) | Joint structure of core support of aluminum radiator | |
| JP2005121295A (en) | Brazed flat tube | |
| JP2750167B2 (en) | Heat exchanger | |
| JP2005127676A (en) | Heat exchanger, and manufacturing method of heat exchanger | |
| KR0161440B1 (en) | Heat exchanger | |
| JPH07305992A (en) | Header tank for heat exchanger | |
| JP2935071B2 (en) | Flat tubes for heat exchangers | |
| JP2824308B2 (en) | Method for manufacturing header pipe, method for connecting header pipe and tube, and connection structure for header pipe and tube | |
| EP1515109A2 (en) | A heat exchanger and method of manufacturing of a heat exchanger header tank | |
| JP3209856B2 (en) | Manufacturing method of heat exchanger made of aluminum material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090427 Year of fee payment: 8 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090427 Year of fee payment: 8 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100427 Year of fee payment: 9 |
|
| LAPS | Cancellation because of no payment of annual fees |