JPH0420794A - Aluminum made heat exchanging tube - Google Patents
Aluminum made heat exchanging tubeInfo
- Publication number
- JPH0420794A JPH0420794A JP12395690A JP12395690A JPH0420794A JP H0420794 A JPH0420794 A JP H0420794A JP 12395690 A JP12395690 A JP 12395690A JP 12395690 A JP12395690 A JP 12395690A JP H0420794 A JPH0420794 A JP H0420794A
- Authority
- JP
- Japan
- Prior art keywords
- brazing material
- uneven
- notch
- aluminum
- contact
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 56
- 238000005219 brazing Methods 0.000 claims abstract description 45
- 239000003507 refrigerant Substances 0.000 claims abstract description 12
- 238000005304 joining Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 230000009972 noncorrosive effect Effects 0.000 description 19
- 230000004907 flux Effects 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910000679 solder Inorganic materials 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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
-
- 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
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野］
本発明は、アルミニウム製熱交換器用チューブに係り、
詳しくは、凹凸部を介して当接し、この当接部をクラッ
ドされたロー材によって接合して成るアルミニウム製熱
交換器用チューブに関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an aluminum heat exchanger tube,
Specifically, the present invention relates to an aluminum heat exchanger tube that abuts through an uneven portion and is joined by a clad brazing material at the abutting portion.
従来、この種のアルミニウム製熱交換器用チューブとし
ては、例えば、実開昭５８−９６４８１号公報等に開示
されているものが知られている。Conventionally, this type of aluminum heat exchanger tube is known, for example, as disclosed in Japanese Utility Model Application Publication No. 58-96481.
これを第３図及び第４図に基づいて説明する。This will be explained based on FIGS. 3 and 4.
１はアルミニウム製熱交換器用チューブを現す。1 represents an aluminum heat exchanger tube.
二のアルミニウム製熱交換器用チューブ１は、両面にロ
ー材がクラッドされた１枚のアルミニウム製板材２によ
って構成されている。The second aluminum heat exchanger tube 1 is composed of a single aluminum plate 2 clad with brazing material on both sides.
このアルミニウム製板材２は、第３図に示す如く、所望
の方法によってチューブ状に折り曲げられている。そし
て、対向する壁面３，３には、多数の凹部４が形成され
ている。又、各凹部４の先端部４Ａは、平坦で、両者が
当接すると、密着できるようになっている。そして、各
凹部４の先端部４Ａは、当接した状態で、ロー材によっ
て接合されている。As shown in FIG. 3, this aluminum plate material 2 is bent into a tube shape by a desired method. A large number of recesses 4 are formed in the opposing wall surfaces 3, 3. Further, the tip 4A of each recess 4 is flat, so that when the two come into contact with each other, they can come into close contact. The tips 4A of each recess 4 are joined by brazing material in a state of contact.
斯くして構成されたアルミニウム製熱交換器用チューブ
１は、例えば、特開昭６３−２４２４６８号公報等に開
示される方法によって、製造される。The aluminum heat exchanger tube 1 constructed in this manner is manufactured, for example, by the method disclosed in Japanese Patent Application Laid-Open No. 63-242468.
先ず、ロー材がクラッドされたアルミニウム製板材２に
複数の凹部４を形成する。次に、このアルミニウム製板
材２を所望の方法によってチューブ状に折り曲げ、上記
凹部４同志を当接する。次いで、この状態でフィンと交
互に組み付け、この組み付けたチューブ体の内外に水を
散布した後、粉体の非腐食性のフラックスを同様にこの
組み付けたチューブ体の内外に散布する。その後、乾燥
し、炉中に供給して、窒素ガス雰囲気中で加熱され、所
定の温度になると、非腐食性のフラックスがクラッドさ
れたロー材の酸化皮膜を破って、各当接部５をロー材６
によって接合する。First, a plurality of recesses 4 are formed in an aluminum plate 2 clad with brazing material. Next, this aluminum plate material 2 is bent into a tube shape by a desired method, and the recesses 4 are brought into contact with each other. Next, in this state, the tube bodies are assembled alternately with fins, water is sprinkled on the inside and outside of this assembled tube body, and then non-corrosive powder flux is similarly sprinkled on the inside and outside of this assembled tube body. After that, it is dried, supplied into a furnace, and heated in a nitrogen gas atmosphere. When the temperature reaches a predetermined temperature, the non-corrosive flux breaks the oxide film of the cladding brazing material, and each contact portion 5 is heated. Raw material 6
Join by.
（発明が解決しようとする課題〕
然し乍ら、上述したアルミニウム製熱交換器用チューブ
１では、凹部４同志を当接した後に、水の散布と、非腐
食性のフラックスの散布を行なうので、凹部４同志の当
接部５には、非腐食性のフラックスが侵入しない。(Problem to be Solved by the Invention) However, in the aluminum heat exchanger tube 1 described above, water and non-corrosive flux are sprayed after the recesses 4 are brought into contact with each other. Non-corrosive flux does not enter into the contact portion 5 of.
従って、炉中で加熱しても、ロー材が非腐食性のフラ・
ンクスによる作用を受けないため、凹部４同志の当接部
５が、ロー付けされない。即ち、第４図に示す如く、当
接部５の周囲にロー材６が付着しているが、各当接部５
にはロー材６が殆ど介在していない。Therefore, even when heated in a furnace, the brazing material remains non-corrosive.
Since the contact portions 5 of the recessed portions 4 are not affected by the action of the heat exchanger, the contact portions 5 of the recessed portions 4 are not brazed. That is, as shown in FIG. 4, the brazing material 6 is attached around the contact portion 5, but
There is almost no brazing material 6 present in the brazing material 6.
その結果、各当接部５に於ける接着強度を確実に得るこ
とが困難となり、このアルミニウム製熱交換器用チュー
ブ１を、アルミニウム製熱交換器の座仮に嵌入すると、
その嵌入部での精度が悪くなる虞がある。又、冷媒用通
路７による冷媒の撹乱作用が低下する戊がある。As a result, it becomes difficult to reliably obtain adhesive strength at each contact portion 5, and when this aluminum heat exchanger tube 1 is inserted into the seat of an aluminum heat exchanger,
There is a possibility that the accuracy at the insertion part may deteriorate. In addition, there is a possibility that the refrigerant disturbance effect by the refrigerant passage 7 is reduced.
本発明は斯かる従来の問題点を解決するために為された
もので、その目的は、アルミニウム製板材の各凹凸部に
非腐食性のフラックスが侵入できる領域を形成し、炉中
での加熱時に凹凸部の当接部が確実にロー付けできるよ
うにし７たアルミニウム製熱交換器用チューブ及びその
製造方法を提供することにある。The present invention was made in order to solve such conventional problems, and its purpose is to form a region where non-corrosive flux can penetrate into each uneven part of an aluminum plate, and to prevent heating in a furnace. It is an object of the present invention to provide an aluminum heat exchanger tube and a method for manufacturing the same, in which the abutting portions of uneven portions can be reliably brazed.
請求項１記載のアルミニウム製熱交換器用チューブは、
ロー材がクラッドされたアルミニウム製板材に複数の凹
凸部を形成し、これ等の凹凸部同志を当接すると共に、
上記ロー材を介して上記凹凸部同志を接合し、上記アル
ミニウム製板材間に冷媒用通路を形成して成るアルミニ
ウム製熱交換器用チューブに於て、対向する上記凹凸部
の一方に、切欠き部を設け、この切欠き部を介して対向
する凹凸部の壁面とを接合して成る。The aluminum heat exchanger tube according to claim 1,
A plurality of uneven parts are formed on an aluminum plate material clad with brazing material, and these uneven parts are brought into contact with each other, and
In an aluminum heat exchanger tube in which the uneven parts are joined together via the brazing material to form a refrigerant passage between the aluminum plates, one of the opposing uneven parts has a notch. is provided, and the wall surfaces of the opposing concave and convex portions are joined to each other via the notch.
請求項２記載のアルミニウム製熱交換器用チューブは、
ロー材がクラッドされたアルミニウム製板材に複数の凹
凸部を形成し、これ等の凹凸部同志を当接すると共に、
上記ロー材を介して上記凹凸部同志を接合し、上記アル
ミニウム製板材間に冷媒用通路を形成して成るアルミニ
ウム製熱交換器用チューブに於て、対向する上記凹凸部
の一方に、切欠き部を設け、対向する上記凹凸部の他方
に、上記切欠き部に嵌入する突起部を設け、この突起部
を上記切欠き部に嵌入して、上記凹凸部同志を当接し、
上記ロー材を介して上記凹凸部同志を接合して成る。The aluminum heat exchanger tube according to claim 2,
A plurality of uneven parts are formed on an aluminum plate material clad with brazing material, and these uneven parts are brought into contact with each other, and
In an aluminum heat exchanger tube in which the uneven parts are joined together via the brazing material to form a refrigerant passage between the aluminum plates, one of the opposing uneven parts has a notch. a protrusion that fits into the notch is provided on the other of the opposing uneven parts, and the protrusion fits into the notch to bring the uneven parts into contact with each other;
The concave and convex portions are joined together via the brazing material.
請求項１記載のアルミニウム製熱交換器用チューブに於
ては、凹凸部同志を当接すると、一方に設けた切欠き部
を通して他方の凹凸部の壁面が露出し、非腐食性のフラ
ックス及びロー材が、上記切欠き部の周囲に溜り、加熱
時にロー材が切欠き部の周囲に肉盛りされる。In the aluminum heat exchanger tube according to claim 1, when the uneven portions are brought into contact with each other, the wall surface of the uneven portion of the other side is exposed through the notch provided on one side, and the non-corrosive flux and brazing material are exposed. The brazing material accumulates around the notch, and the brazing material builds up around the notch during heating.
請求項２記載のアルミニウム製熱交換器用チューブに於
ては、凹凸部同志を当接すると、一方に設けた切欠き部
に、他方に設けた突起部が嵌入し、非腐食性のフラック
ス及びロー材が、上記切欠き部と突起部周囲に溜り、加
熱時にロー材が切欠き部と突起部の周囲に肉盛りされる
。In the aluminum heat exchanger tube according to claim 2, when the uneven portions are brought into contact with each other, the protrusion portion provided on one side fits into the notch portion provided on the other side, and the non-corrosive flux and wax are absorbed. The material accumulates around the notch and the protrusion, and the brazing material builds up around the notch and the protrusion during heating.
以下、本発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below based on the drawings.
第１図は本発明の一実施例に係るアルミニウム製熱交換
器用チューブを示すもので、１０は表面にロー材をクラ
ッドしたアルミニウム製板材を現す。FIG. 1 shows an aluminum heat exchanger tube according to an embodiment of the present invention, and numeral 10 represents an aluminum plate material whose surface is clad with brazing material.
このアルミニウム製板材１０は、常法に従って多数の凹
部１１が形成されると共に、その略中央部で折り曲げら
れている。そして、各凹部１１同志が当接している。This aluminum plate material 10 has a large number of recesses 11 formed in accordance with a conventional method and is bent approximately at the center thereof. The recesses 11 are in contact with each other.
又、対向する凹部１１の一方側には、円形状の切欠き部
１２が形成されている。Furthermore, a circular notch 12 is formed on one side of the opposing recess 11 .
次に、斯くして構成された本実施例に係るアルミニウム
製熱交換器用チューブ２０の製造方法を説明する。Next, a method for manufacturing the aluminum heat exchanger tube 20 according to the present embodiment configured in this manner will be described.
先ず、アルミニウム製板材１０に、常法に従って多数の
凹部１１を形成する。次に、その略中央部で折り曲げて
、各凹部１１同志を当接する。所謂、仮組状態とする。First, a large number of recesses 11 are formed in an aluminum plate 10 according to a conventional method. Next, it is bent approximately at the center and the recesses 11 are brought into contact with each other. This is a so-called temporarily assembled state.
次に、この仮組体の内外に水を散布する。その後、非腐
食性のフラックスを散布する。非腐食性のフラックスは
、先に散布された水によって、仮組体表面に付着する。Next, water is sprinkled on the inside and outside of this temporary assembly. Then apply non-corrosive flux. The non-corrosive flux adheres to the surface of the temporary assembly by the previously sprayed water.
その後、乾燥する。この乾燥によって水が蒸発しても、
非腐食性のフラックスは、脱落しない。Then dry. Even if the water evaporates due to this drying,
Non-corrosive flux will not shed.
そして、この仮組体は、常法に従って、炉中に供給され
、窒素ガス雰囲気中で約６００°Ｃ程度に加熱される。This temporary assembly is then fed into a furnace and heated to about 600° C. in a nitrogen gas atmosphere according to a conventional method.
これによって、非腐食性のフラックスが、アルミニウム
製板材ＩＯにクラッドされたロー材１５の酸化皮膜を破
壊し、ロー材１５が流動できる状態とし、各接合部１４
をロー付けする。As a result, the non-corrosive flux destroys the oxide film of the brazing material 15 clad on the aluminum plate IO, making the brazing material 15 flowable, and each joint 14
solder.
以上の如く、本実施例では、ロー材１５がクラッドされ
たアルミニウム製板材１０に複数の凹部（凹凸部）１１
を形成し、これ等の凹部１１同志を当接すると共に、上
記ロー材１５を介して上記凹部１１同志を接合し、上記
アルミニウム製板材１０間に冷媒用通路１６を形成して
成るアルミニウム製熱交換器用チューブに於て、対向す
る上記凹部１１の一方に、切欠き部１２を設け、この切
欠き部１２を介して対向する凹部１１の平坦部（壁面）
１１Ａとの当接したものであるから、凹部１１同志を当
接すると、一方に設けた切欠き部１２を通して他方の凹
部１１の平坦部（壁面）１１Ａが露出し、非腐食性のフ
ラックス及びロー材１５が、上記切欠き部１２の周囲に
溜り、加熱時にロー材１５が切欠き部１２の周囲に肉盛
りされる。As described above, in this embodiment, the aluminum plate 10 clad with the brazing material 15 has a plurality of recesses (irregularities) 11.
, the recesses 11 are brought into contact with each other, and the recesses 11 are joined together via the brazing material 15 to form a refrigerant passage 16 between the aluminum plates 10. In the dexterity tube, a notch 12 is provided in one of the opposing recesses 11, and a flat portion (wall surface) of the recess 11 facing each other via the notch 12 is provided.
11A, when the recesses 11 come into contact with each other, the flat part (wall surface) 11A of the other recess 11 is exposed through the notch 12 provided on one side, and the non-corrosive flux and wax are exposed. The material 15 accumulates around the notch 12, and the brazing material 15 is built up around the notch 12 during heating.
第２図は本発明の別の実施例に係るアルミニウム製熱交
換器用チューブ３０を示す。FIG. 2 shows an aluminum heat exchanger tube 30 according to another embodiment of the invention.
本実施例では、他方の凹部１１に切欠き部１２内に嵌入
する突起部３１を設けた点に特徴を有する。その他の構
成は、上記実施例と同様であるため、その要部だけを説
明する。This embodiment is characterized in that the other recess 11 is provided with a protrusion 31 that fits into the notch 12. The rest of the configuration is the same as that of the above embodiment, so only the main parts will be explained.
本実施例では、対向する凹部１１同志を当接すると、対
向する各凹部１１に設けた切欠き部１２に突起部３１が
嵌入する。In this embodiment, when the opposing recesses 11 come into contact with each other, the protrusion 31 fits into the notch 12 provided in each of the opposing recesses 11.
従って、仮組体を形成した後に、水を散布すると、水が
切欠き部１２と突起部３１との間に浸入し、その後に非
腐食性のフラックスを散布すると、水が浸入した領域に
付着することとなる。Therefore, if water is sprayed after forming the temporary assembly, the water will infiltrate between the notch 12 and the protrusion 31, and if non-corrosive flux is then sprayed, it will adhere to the area where the water has entered. I will do it.
その結果、炉中で加熱すると、非腐食性のフラックスが
侵入した領域、即ち、凹部１１に於ける切欠き部１２と
突起部３１との嵌合部の周囲全域に亘ってロー材１５が
浸透することとなる。勿論、内部に形成される冷媒用通
路１６例の接合部１３にも、従来と同様にロー材１５に
よって接合されることとなる。As a result, when heated in the furnace, the brazing material 15 penetrates into the area where the non-corrosive flux has penetrated, that is, the entire area around the fitting part between the notch 12 and the protrusion 31 in the recess 11. I will do it. Of course, the joining portions 13 of the 16 refrigerant passages formed inside are also joined by the brazing material 15 as in the past.
尚、上記各実施例では、１枚のアルミニウム製板材１０
を折り曲げることによってアルミニウム型態交換器用チ
ューブ２０．３０を成形する場合について説明したが、
２枚のアルミニウム製板材を用いて製造するものにも適
用できる。In each of the above embodiments, one aluminum plate 10
The case where the aluminum type exchanger tube 20.30 is formed by bending the tube 20.30 has been described.
It can also be applied to products manufactured using two aluminum plates.
又、凹部１１に設けた切欠き部１２を円形状としたが、
その形状は任意であり、特にこれに限定するものではな
い。Furthermore, although the notch 12 provided in the recess 11 is circular,
Its shape is arbitrary and is not particularly limited to this.
更に、上記各実施例では、凹凸部として、凹部１１を設
けた場合について説明したが、凸部を設ける方式のもの
にも適用できる。Further, in each of the above embodiments, the case where the recessed portion 11 is provided as the uneven portion has been described, but the present invention can also be applied to a method in which a convex portion is provided.
請求項１記載のアルミニウム製熱交換器用チューブによ
れば、凹凸部同志を当接すると、一方に設けた切欠き部
を通して他方の凹凸部の壁面が露出し、非腐食性のフラ
ックス及びロー材が、上記切欠き部の周囲に溜り、加熱
時にロー材が切欠き部の周囲に肉盛りされる。従って、
非腐食性のフラックスが、確実に凹凸部同志の当接部に
も侵入し、ロー付は不良を起こす戊がなくなる。特に、
切欠き部の周囲がロー付けされるから、冷媒用通路側に
於けるロー付けに加えて凹凸部でのロー付けが付加され
ることとなり、スラスト方向、ラテラル方向の強度が付
与されると共に、密着性が向上する。According to the aluminum heat exchanger tube according to claim 1, when the uneven parts are brought into contact with each other, the wall surface of the uneven part of the other side is exposed through the notch provided on one side, and the non-corrosive flux and brazing material are exposed. The brazing material accumulates around the notch and builds up around the notch during heating. Therefore,
The non-corrosive flux reliably penetrates into the abutting parts of the uneven parts, eliminating the possibility of defects in brazing. especially,
Since the area around the notch is brazed, in addition to the brazing on the refrigerant passage side, brazing on the uneven parts is added, giving strength in the thrust direction and lateral direction, and Adhesion is improved.
請求項２記載のアルミニウム製熱交換器用チューブによ
れば、凹凸部同志を当接すると、一方に設けた切欠き部
に、他方に設けた突起部が嵌太し、非腐食性のフラック
ス及びロー材が、上記切欠き部と突起部周囲に溜り、加
熱時にロー材が切欠き部と突起部の周囲に肉盛りされる
。従って、非腐食性のフラックスが、確実に凹凸部同志
の当接部にも侵入し、ロー付は不良を起こす戊がなくな
る。According to the aluminum heat exchanger tube according to claim 2, when the uneven portions are brought into contact with each other, the protrusion portion provided on one side fits into the notch portion provided on the other side, and the non-corrosive flux and wax are applied. The material accumulates around the notch and the protrusion, and the brazing material builds up around the notch and the protrusion during heating. Therefore, the non-corrosive flux reliably penetrates into the abutting portions of the uneven parts, and there is no possibility of defects in brazing.
特に、切欠き部と突起部の周囲がロー付けされるから、
冷媒用通路側に於けるロー付けに加えて凹凸部でのロー
付けが付加されることとなり、スラスト方向、ラテラル
方向の強度が付与されると共に、密着性が向上する。In particular, since the areas around the notches and protrusions are brazed,
In addition to brazing on the refrigerant passage side, brazing on the uneven portions is added, providing strength in the thrust direction and lateral direction, and improving adhesion.
第１図は本発明の一実施例に係るアルミニウム製熱交換
器用チューブの要部拡大断面図である。
第２図は本発明の別の実施例に係るアルミニウム製熱交
換器用チューブの要部拡大断面図である。
第３図は本発明が適用されるアルミニウム製熱交換器用
チューブの一例を示す斜視図である。
第４図は従来のアルミニウム製熱交換器用チューブの要
部拡大断面図である。
Ｃ主要な部分の符号の説明〕
１０・・・アルミニウム製板材
１１・・・凹部（凹凸部）
１２・・・切欠き部
１５・・・ロー材
１６・・・冷媒用通路
２０．３０・・・・アルミニウム製熱交換器用チューブ
３１・・・突起部。
特許出願人 カルソニック株式会社
第
図
第
図FIG. 1 is an enlarged sectional view of a main part of an aluminum heat exchanger tube according to an embodiment of the present invention. FIG. 2 is an enlarged sectional view of a main part of an aluminum heat exchanger tube according to another embodiment of the present invention. FIG. 3 is a perspective view showing an example of an aluminum heat exchanger tube to which the present invention is applied. FIG. 4 is an enlarged sectional view of a main part of a conventional aluminum heat exchanger tube. C Explanation of symbols of main parts] 10... Aluminum plate material 11... Concavity (uneven part) 12... Notch part 15... Brazing material 16... Refrigerant passage 20.30... ...Aluminum heat exchanger tube 31...Protrusion. Patent applicant: Calsonic Corporation
Claims (2)
数の凹凸部を形成し、これ等の凹凸部同志を当接すると
共に、上記ロー材を介して上記凹凸部同志を接合し、上
記アルミニウム製板材間に冷媒用通路を形成して成るア
ルミニウム製熱交換器用チューブに於て、対向する上記
凹凸部の一方に、切欠き部を設け、この切欠き部を介し
て対向する凹凸部の壁面とを接合して成るアルミニウム
製熱交換器用チューブ。(1) A plurality of uneven portions are formed on an aluminum plate material clad with brazing material, these uneven portions are brought into contact with each other, and the uneven portions are joined together via the brazing material, and the aluminum plate material is In an aluminum heat exchanger tube with a refrigerant passage formed between the tubes, a notch is provided in one of the opposing uneven portions, and the wall surface of the opposing uneven portion is connected via this notch. Aluminum heat exchanger tube made by joining.
数の凹凸部を形成し、これ等の凹凸部同志を当接すると
共に、上記ロー材を介して上記凹凸部同志を接合し、上
記アルミニウム製板材間に冷媒用通路を形成して成るア
ルミニウム製熱交換器用チューブに於て、対向する上記
凹凸部の一方に、切欠き部を設け、対向する上記凹凸部
の他方に、上記切欠き部に嵌入する突起部を設け、この
突起部を上記切欠き部に嵌入して、上記凹凸部同志を当
接し、上記ロー材を介して上記凹凸部同志を接合して成
るアルミニウム製熱交換器用チューブ。(2) A plurality of uneven portions are formed on an aluminum plate material clad with brazing material, these uneven portions are brought into contact with each other, and the uneven portions are joined together via the brazing material, and the aluminum plate material is In an aluminum heat exchanger tube having a refrigerant passage formed therebetween, one of the opposing uneven parts is provided with a notch, and the other of the opposing uneven parts is fitted into the notch. The aluminum tube for a heat exchanger is provided with a protrusion, the protrusion is fitted into the notch, the concave and convex portions are brought into contact with each other, and the concave and convex portions are joined together via the brazing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12395690A JPH0420794A (en) | 1990-05-14 | 1990-05-14 | Aluminum made heat exchanging tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12395690A JPH0420794A (en) | 1990-05-14 | 1990-05-14 | Aluminum made heat exchanging tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420794A true JPH0420794A (en) | 1992-01-24 |
Family
ID=14873508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12395690A Pending JPH0420794A (en) | 1990-05-14 | 1990-05-14 | Aluminum made heat exchanging tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420794A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0694747A2 (en) | 1994-07-25 | 1996-01-31 | Sanden Corporation | Heat exchanger |
| US5632331A (en) * | 1993-09-30 | 1997-05-27 | Sanden Corporation | Heat exchanger |
| US5930894A (en) * | 1995-02-07 | 1999-08-03 | Sanden Corporation | Method for manufacturing heat exchangers |
| FR2933015A1 (en) * | 2008-06-26 | 2010-01-01 | Valeo Systemes Thermiques | Assembling a first part and a second part by brazing, comprises applying an assembling agent on the first part, placing the two parts against one another, and transferring the agent through the first part for assembling the two parts |
| JP2011122747A (en) * | 2009-12-09 | 2011-06-23 | Mahle Filter Systems Japan Corp | Heat exchanger |
| JP2014019268A (en) * | 2012-07-17 | 2014-02-03 | Toyota Motor Corp | Joining structure of different types of plate materials and joining method thereof |
| DE102014110459A1 (en) * | 2014-07-24 | 2016-01-28 | Mahle International Gmbh | Heat exchanger |
| JP2016205755A (en) * | 2015-04-27 | 2016-12-08 | 有限会社和氣製作所 | Heat exchanger |
-
1990
- 1990-05-14 JP JP12395690A patent/JPH0420794A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632331A (en) * | 1993-09-30 | 1997-05-27 | Sanden Corporation | Heat exchanger |
| EP0694747A2 (en) | 1994-07-25 | 1996-01-31 | Sanden Corporation | Heat exchanger |
| EP0694747A3 (en) * | 1994-07-25 | 1996-12-27 | Sanden Corp | Heat exchanger |
| US5930894A (en) * | 1995-02-07 | 1999-08-03 | Sanden Corporation | Method for manufacturing heat exchangers |
| FR2933015A1 (en) * | 2008-06-26 | 2010-01-01 | Valeo Systemes Thermiques | Assembling a first part and a second part by brazing, comprises applying an assembling agent on the first part, placing the two parts against one another, and transferring the agent through the first part for assembling the two parts |
| JP2011122747A (en) * | 2009-12-09 | 2011-06-23 | Mahle Filter Systems Japan Corp | Heat exchanger |
| JP2014019268A (en) * | 2012-07-17 | 2014-02-03 | Toyota Motor Corp | Joining structure of different types of plate materials and joining method thereof |
| DE102014110459A1 (en) * | 2014-07-24 | 2016-01-28 | Mahle International Gmbh | Heat exchanger |
| JP2016205755A (en) * | 2015-04-27 | 2016-12-08 | 有限会社和氣製作所 | Heat exchanger |
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