JP2006292307A - Multi-plate heat exchanger - Google Patents

Multi-plate heat exchanger Download PDF

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JP2006292307A
JP2006292307A JP2005115489A JP2005115489A JP2006292307A JP 2006292307 A JP2006292307 A JP 2006292307A JP 2005115489 A JP2005115489 A JP 2005115489A JP 2005115489 A JP2005115489 A JP 2005115489A JP 2006292307 A JP2006292307 A JP 2006292307A
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case
core
heat exchanger
plate heat
hollow body
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JP4664114B2 (en
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Sotoharu Tanaka
外治 田中
Atsushi Okubo
厚 大久保
Akira Komuro
朗 小室
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T Rad Co Ltd
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T Rad Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a multi-plate heat exchanger, capable of increasing pressure resisting strength of a case while reducing the manufacturing cost or miniaturizing the device. <P>SOLUTION: In the multi-plate heat exchanger 11 comprising a core 13 constituted by laminating hollow bodies 12 having cooling fluid passages 32 and 92 formed therein, and a case 14 enclosing the core 13 to form a distribution passage of a cooled fluid with the core 13, the core 13 can be partially brazed to the inner surface of the case 14. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は熱交換器に関し、特に、冷却流体の流通路を層状に形成するコアと、該コアを囲繞し、該コアとの間に被冷却流体の流通路を形成するケースとを備えた多板式熱交換器に関する。   The present invention relates to a heat exchanger, and in particular, includes a core that forms a cooling fluid flow passage in a layered manner, and a case that surrounds the core and forms a cooling fluid flow passage between the core. It relates to a plate heat exchanger.

従来、熱交換器の一つのタイプとして、コア内に冷却水等の冷却流体を層状に流通させ、前記コアの外側を流通する空気等の被冷却流体との間で熱交換を行わせる多板式熱交換器が知られている。   Conventionally, as one type of heat exchanger, a multi-plate type in which a cooling fluid such as cooling water is circulated in a layer in a core and heat exchange is performed with a fluid to be cooled such as air flowing outside the core. Heat exchangers are known.

図１１に示すように、この種の多板式熱交換器１は、細長扁平形状を成す中空体を積層して形成されたコア（図示せず）と、該コアを囲繞するように形成されたケース２とから概略構成されており、ケース２には耐圧性を確保するため補強用のリブ３が形成されている（例えば、特許文献１参照）。   As shown in FIG. 11, this type of multi-plate heat exchanger 1 is formed so as to surround a core (not shown) formed by laminating hollow bodies having an elongated flat shape. The case 2 is generally configured, and a reinforcing rib 3 is formed in the case 2 to ensure pressure resistance (see, for example, Patent Document 1).

そして、冷却水入口４から前記コア内に流入した冷却水と、空気入口５からケース２内に流入した空気との間で熱交換が行われ、その後、前記冷却水及び空気はそれぞれ冷却水出口６及び空気出口７から外部に排出されるようになっている。
特開昭５９−２３５９２号公報 Then, heat exchange is performed between the cooling water that has flowed into the core from the cooling water inlet 4 and the air that has flowed into the case 2 from the air inlet 5, and then the cooling water and the air are respectively supplied to the cooling water outlet. 6 and the air outlet 7 are discharged to the outside.
JP 59-23592 A

ところが、上記した従来の多板式熱交換器１では、ケース２の耐圧性を確保するため、ケース２に補強用のリブ３を加工したり、或いは、ケース２の板厚を厚くしたり、ケース２に補強板を取り付けたりして、剛性を高める必要があった。したがって、ケース２の重量や外形寸法が増大したり、材料費や加工費が増加したりするため、製造コストの低減化や小型化が図り難いといった問題があった。   However, in the conventional multi-plate heat exchanger 1 described above, in order to ensure the pressure resistance of the case 2, a reinforcing rib 3 is processed on the case 2, or the case 2 is thickened. It was necessary to increase the rigidity by attaching a reinforcing plate to 2. Therefore, there is a problem that it is difficult to reduce the manufacturing cost and reduce the size because the weight and outer dimensions of the case 2 increase and the material cost and processing cost increase.

本発明は、上記した課題を解決すべくなされたものであり、製造コストの低減化や小型化を図りつつ、ケースの耐圧強度を高めることのできる多板式熱交換器を提供しようとするものである。   The present invention has been made to solve the above-described problems, and is intended to provide a multi-plate heat exchanger that can increase the pressure resistance of the case while reducing the manufacturing cost and reducing the size. is there.

本発明は、内部に冷却流体の流通路が形成される中空体を積層して構成されたコアと、該コアを囲繞し、該コアとの間に被冷却流体の流通路が形成されるケースとを備えた多板式熱交換器において、前記コアと前記ケースの内面とが部分的にロウ付け接合可能なように構成されていることを特徴とする。   The present invention relates to a core formed by stacking hollow bodies in which a cooling fluid flow passage is formed, and a case in which the cooling fluid flow passage is formed between the core and the core. Is provided such that the core and the inner surface of the case can be partially brazed and joined.

そして、好ましくは、前記中空体の外周部には凸部が形成されており、該凸部を介して前記コアと前記ケースの内面とが部分的にロウ付け接合可能なように構成されているのがよい。   Preferably, a convex portion is formed on the outer peripheral portion of the hollow body, and the core and the inner surface of the case can be partially brazed and joined via the convex portion. It is good.

また、前記凸部は前記中空体が前記ケースの内面に点接触可能なように形成されていてもよく、さらに、前記凸部は前記中空体が前記ケースの内面に線接触可能なように形成されていてもよい。   Further, the convex portion may be formed so that the hollow body can make point contact with the inner surface of the case, and the convex portion is formed so that the hollow body can make line contact with the inner surface of the case. May be.

また、前記ケースには凹部が形成されており、該凹部を介して前記コアと前記ケースの内面とが部分的にロウ付け接合可能なように構成されていてよい。   The case may be formed with a recess, and the core and the inner surface of the case may be partially brazed and joined via the recess.

そして、前記凹部は前記中空体が前記ケースの内面に点接触可能なように形成されていてもよく、さらに、前記凹部は前記中空体が前記ケースの内面に線接触可能なように形成されていてもよい。   And the said recessed part may be formed so that the said hollow body may be in point contact with the inner surface of the said case, and also the said recessed part is formed so that the said hollow body may be in line contact with the inner surface of the said case May be.

さらに、前記中空体の外周部と前記ケースにはそれぞれ互いに係合可能な係合部が形成されており、該係合部を介して前記コアと前記ケースの内面とが部分的にロウ付け接合可能なように構成されていてもよい。   Further, the outer peripheral portion of the hollow body and the case are formed with engaging portions that can be engaged with each other, and the core and the inner surface of the case are partially brazed and joined via the engaging portions. It may be configured as possible.

本発明によれば、コアとケースの内面とが部分的にロウ付け接合可能なように構成されているため、ケースにリブ等の加工をしたりすることなく、ケースの耐圧強度を向上させることができると共に、ケースの薄肉化や熱交換器の軽量コンパクト化が図れ、材料費や加工費等、コストの削減を図ることができる。   According to the present invention, since the core and the inner surface of the case are configured to be partially brazed and joined, the pressure resistance of the case can be improved without processing a rib or the like on the case. In addition, the case can be made thinner and the heat exchanger can be made lighter and more compact, and costs such as material costs and processing costs can be reduced.

また、コアとケースとの接触面積が小さく、コアとケース間の接触抵抗を抑制することができるため、コアやケースの組み付け時やロウ付け時等において、コアとケースを接触させたまま、最小限の力でコアやケースを簡単且つ円滑にスライドさせ、位置決め作業を行うことができる。したがって、熱交換器の製造過程におけるケース等の変形を防止することができ、作業性や生産性を向上させることができ、さらに、製品の信頼性及び性能の向上を図ることができる等、種々の優れた効果を得ることができる。   In addition, since the contact area between the core and the case is small and the contact resistance between the core and the case can be suppressed, the core and the case are kept in contact with each other at the time of assembling or brazing the core and the case. The core and the case can be easily and smoothly slid with a limited force to perform the positioning operation. Accordingly, it is possible to prevent deformation of the case in the manufacturing process of the heat exchanger, improve workability and productivity, and further improve the reliability and performance of the product. The excellent effect can be obtained.

以下、図１〜図４を参照しつつ、本発明の実施の形態に係る多板式熱交換器について説明する。ここで、図１は本実施の形態に係る多板式熱交換器を示す斜視図、図２は多板式熱交換器を示す分解斜視図、図３は多板式熱交換器を示す断面図、図４は図３のＡ−Ａ矢視図である。   Hereinafter, a multi-plate heat exchanger according to an embodiment of the present invention will be described with reference to FIGS. Here, FIG. 1 is a perspective view showing the multi-plate heat exchanger according to the present embodiment, FIG. 2 is an exploded perspective view showing the multi-plate heat exchanger, and FIG. 3 is a cross-sectional view showing the multi-plate heat exchanger. 4 is an AA arrow view of FIG.

この多板式熱交換器１１は、扁平形状の中空体１２が積層されて構成されるコア１３と、コア１３を囲繞するように設けられるケース１４とから概略構成されている。各中空体１２の両端部には、対角を成す位置にそれぞれ丸孔状の連通部１５，１６が形成されており、この連通部１５，１６を介して各中空体１２同士が連通し合うようになっている。また、各連通部１５，１６同士を積層させることにより、コア１３の両端部にはそれぞれヘッダ部１７，１８が形成され、一方のヘッダ部１７には冷却流体の入口１９が前方に突出するように接続され、他方のヘッダ部１８には冷却流体の出口２０が前方に突出するように接続されている。また、各中空体１２の間には、それぞれアウターフィン２１が介装されており、このアウターフィン２１は、図２に示されているように、コア１３とケース１４の間の隙間を充填するように、各中空体１２より外側に突出して形成されていてもよい。   The multi-plate heat exchanger 11 is schematically configured from a core 13 formed by laminating flat hollow bodies 12 and a case 14 provided so as to surround the core 13. At both ends of each hollow body 12, round hole-like communication portions 15, 16 are formed at diagonal positions, and the hollow bodies 12 communicate with each other via the communication portions 15, 16. It is like that. Further, by stacking the communication portions 15 and 16, header portions 17 and 18 are formed at both ends of the core 13, respectively, and an inlet 19 for cooling fluid projects forward in one header portion 17. The cooling fluid outlet 20 is connected to the other header portion 18 so as to protrude forward. In addition, outer fins 21 are interposed between the hollow bodies 12, and the outer fins 21 fill a gap between the core 13 and the case 14 as shown in FIG. Thus, it may be formed to protrude outward from each hollow body 12.

各中空体１２は、図４に良く示されているように、内部に冷却流体の流通路３２が形成されるように２枚一対のプレート２２，２２’を前後に重合することにより形成され、各中空体１２の外周部には上下２箇所ずつ凸部２３，２３’がディンプル状に形成されている。凸部２３，２３’は、各プレート２２，２２’の端部をそれぞれ内側にＵ字状に湾曲させることに形成されており、凸部２３，２３’を介してコア１３とケース１４の内面とが部分的に点接触可能なようになっている。   As shown well in FIG. 4, each hollow body 12 is formed by superposing two pairs of plates 22 and 22 ′ in the front and rear so that a cooling fluid flow passage 32 is formed therein, Convex portions 23 and 23 ′ are formed in a dimple shape on the outer peripheral portion of each hollow body 12 at two locations, upper and lower. The convex portions 23 and 23 ′ are formed by bending the end portions of the plates 22 and 22 ′ inwardly in a U shape, and the inner surfaces of the core 13 and the case 14 via the convex portions 23 and 23 ′. Are partly point-contactable.

ケース１４は、直方体の箱状を成しており、角筒状の周壁部２４を形成するように上下に組み合わされる第１周壁部２５及び第２周壁部２６と、周壁部２４の前後開口部を閉塞可能なように設けられる前側蓋部２７及び後側蓋部２８とから構成されており、冷却流体の入口１９及び出口２０は前側蓋部２７を貫通して設けられている。そして、ケース１４の両端部には、それぞれ被冷却流体の入口２９及び出口３０が設けられており、ケース１４とコア１３との間、及び各中空体１２同士の間には被冷却流体の流通路３１が形成されるようになっている。この結果、冷却流体と被冷却流体は全体として互いに対向する向きに流通するようになるため、熱交換効率の向上を図ることができる。   The case 14 has a rectangular parallelepiped box shape, the first peripheral wall portion 25 and the second peripheral wall portion 26 combined vertically so as to form a rectangular tube-shaped peripheral wall portion 24, and the front and rear openings of the peripheral wall portion 24. The front lid portion 27 and the rear lid portion 28 are provided so as to be able to close the inlet, and the inlet 19 and the outlet 20 for the cooling fluid are provided through the front lid portion 27. An inlet 29 and an outlet 30 for the fluid to be cooled are provided at both ends of the case 14, respectively, and the fluid to be cooled flows between the case 14 and the core 13 and between the hollow bodies 12. A path 31 is formed. As a result, the cooling fluid and the fluid to be cooled generally circulate in directions facing each other, so that the heat exchange efficiency can be improved.

このように、上記した実施の形態に係る多板式熱交換器によれば、中空体１２の凸部２３，２３’を介してコア１３とケース１４の内面とが部分的に点接触するようになっているため、凸部２３，２３’の外面側とケース１４の内面側の少なくともいずれか一方をロウ材面とすることにより、ケース１４とコア１３とを一体ロウ付け接合可能となり、ケース１４の耐圧強度を向上させることができる。したがって、補強板等の補強部材の取り付けや補強用リブの加工を行うことなく、ケース１４やプレート２２，２２’の薄肉化が可能となり、熱交換器の軽量コンパクト化が図れ、材料費や加工費等、コストの削減を図ることができる。   As described above, according to the multi-plate heat exchanger according to the above-described embodiment, the core 13 and the inner surface of the case 14 are partially in point contact via the convex portions 23 and 23 ′ of the hollow body 12. Therefore, the case 14 and the core 13 can be integrally brazed and joined by using at least one of the outer surface side of the convex portions 23 and 23 ′ and the inner surface side of the case 14 as a brazing material surface. It is possible to improve the pressure strength of the. Therefore, the case 14 and the plates 22 and 22 'can be thinned without attaching a reinforcing member such as a reinforcing plate or processing a reinforcing rib, and the heat exchanger can be made lighter and more compact. Costs such as costs can be reduced.

また、コア１３とケース１４とは部分的に接触し、接触面積が小さくなっているため、コア１３とケース１４間の接触抵抗を抑制することができる。したがって、コア１３やケース１４の組み付け時や組み付け圧縮（加圧）時、或いは、ロウ付け時等において、コア１３とケース１４を接触させたまま、最小限の力でコア１３やケース１４を簡単且つ円滑にスライドさせ、位置決め作業を行うことができるため、熱交換器の製造過程におけるケース１４等の変形を防止することができ、作業性や生産性を向上させることができる。さらに、各部材間の組み付け作業やロウ付け作業等を確実に行うことができるため、ケース１４やプレート２２，２２’の隙間からの内部リークの発生を防止することができ、製品の信頼性及び性能の向上を図ることができる。   Moreover, since the core 13 and the case 14 are partially in contact and the contact area is small, the contact resistance between the core 13 and the case 14 can be suppressed. Therefore, when the core 13 and the case 14 are assembled, compressed (pressurized), or brazed, the core 13 and the case 14 can be easily held with a minimum force while keeping the core 13 and the case 14 in contact with each other. In addition, since the positioning operation can be performed by sliding smoothly, it is possible to prevent deformation of the case 14 and the like during the manufacturing process of the heat exchanger, and to improve workability and productivity. Furthermore, since the assembling work and brazing work between the members can be surely performed, the occurrence of internal leakage from the gap between the case 14 and the plates 22, 22 ′ can be prevented, and the reliability of the product and The performance can be improved.

なお、コア１３とケース１４との接合部の形状は、上記した実施の形態において説明した形状に限定されるものではなく、例えば、図５に示すように、コア１３とケース１４の内面とが部分的に点接触可能なように中空体１２の外周部側に緩やかに隆起した形状の凸部４１を形成させたり、或いは、図６に示すように、コア１３とケース１４の内面とが部分的に線接触可能なように中空体１２の外周部側に台形状の凸部５１を形成させたり、或いは、コア１３とケース１４の内面とが部分的に点接触可能なようにケース１４側にディンプル状の凹部６１（図７参照）又は緩やかに隆起した形状の凹部（図示せず）を形成させたり、或いは、コア１３とケース１４の内面とが部分的に線接触可能なようにケース１４側に台形状の凸部（図示せず）を形成させたり、或いは、図８に示すように、中空体１２の外周部とケース１４にそれぞれ互いに係合可能な係合部７１，７２を形成させたりする等、各種変更が可能である。そして、中空体１２の外周部とケース１４にそれぞれ互いに係合可能な係合部７１，７２を形成させた場合には、コア１３とケース１４の位置決め作業が一層容易になり、作業性や生産性を一段と向上させることができる。   In addition, the shape of the joint part between the core 13 and the case 14 is not limited to the shape described in the above-described embodiment. For example, as shown in FIG. A convex portion 41 having a gently raised shape is formed on the outer peripheral side of the hollow body 12 so as to be able to make point contact, or the core 13 and the inner surface of the case 14 are partially formed as shown in FIG. A trapezoidal convex portion 51 is formed on the outer peripheral side of the hollow body 12 so as to be able to make a linear contact, or the case 13 side so that the core 13 and the inner surface of the case 14 can be partially point-contacted. A dimple-like recess 61 (see FIG. 7) or a gently raised recess (not shown) is formed in the case, or the core 13 and the inner surface of the case 14 can be partially in line contact with each other. A trapezoidal convex part on the 14 side (not shown) Or to form, or, as shown in FIG. 8, etc., respectively on the outer peripheral portion and the casing 14 of the hollow body 12 or to form an engaging engagement portions 71 and 72 to each other, a variety of changes are possible. When the engaging portions 71 and 72 that can be engaged with each other are formed on the outer peripheral portion of the hollow body 12 and the case 14, respectively, the positioning operation of the core 13 and the case 14 is further facilitated. Can be further improved.

また、上記した実施の形態においては、各プレート２２，２２’の端部をそれぞれ内側にＵ字状に湾曲させることにより凸部２３，２３’を形成させているが、これは単なる例示に過ぎず、例えば、図９に示すように、各プレート２２，２２’の端部をそれぞれ内側に隙間なく屈曲させることにより凸部８１，８１’を形成させたり、或いは、図１０に示すように、各プレート２２，２２’の端部をそれぞれ外側にＵ字状に湾曲させることにより凸部９１，９１’を形成させる等、各種変更が可能である。   Further, in the above-described embodiment, the convex portions 23 and 23 ′ are formed by bending the end portions of the plates 22 and 22 ′ inwardly in a U shape, but this is merely an example. For example, as shown in FIG. 9, the end portions of the plates 22 and 22 ′ are bent inwardly without gaps to form convex portions 81 and 81 ′, or as shown in FIG. 10, Various changes can be made, such as forming convex portions 91 and 91 ′ by bending the end portions of the plates 22 and 22 ′ outwardly in a U-shape.

さらに、図１０に示すように、冷却流体の流れに沿ってプレート２２，２２’を部分的に内側に屈曲させて密着させることにより中空体１２の内部に冷却流体の流通路９２を複数形成させてもよく、この場合には、冷却流体が中空体１２の内部全域に亘って淀むことなく流通するようになるため、熱交換性能をさらに高めることができる。   Furthermore, as shown in FIG. 10, a plurality of cooling fluid flow passages 92 are formed inside the hollow body 12 by bending the plates 22 and 22 'partially inward along the flow of the cooling fluid and closely contacting them. In this case, since the cooling fluid flows without stagnating throughout the entire interior of the hollow body 12, the heat exchange performance can be further enhanced.

本発明の実施の形態に係る多板式熱交換器を示す斜視図である。1 is a perspective view showing a multi-plate heat exchanger according to an embodiment of the present invention. 本発明の実施の形態に係る多板式熱交換器を示す分解斜視図である。It is a disassembled perspective view which shows the multi-plate type heat exchanger which concerns on embodiment of this invention. 本発明の実施の形態に係る多板式熱交換器を示す断面図である。It is sectional drawing which shows the multi-plate type heat exchanger which concerns on embodiment of this invention. 図３のＡ−Ａ矢視図である。It is an AA arrow line view of FIG. 本発明の実施の形態に係る多板式熱交換器におけるコアとケースとの接合部の別の例を示す断面図である。It is sectional drawing which shows another example of the junction part of the core and case in the multi-plate heat exchanger which concerns on embodiment of this invention. 本発明の実施の形態に係る多板式熱交換器におけるコアとケースとの接合部のさらに別の例を示す断面図である。It is sectional drawing which shows another example of the junction part of the core and case in the multi-plate heat exchanger which concerns on embodiment of this invention. 本発明の実施の形態に係る多板式熱交換器におけるコアとケースとの接合部のさらに別の例を示す断面図である。It is sectional drawing which shows another example of the junction part of the core and case in the multi-plate heat exchanger which concerns on embodiment of this invention. 本発明の実施の形態に係る多板式熱交換器におけるコアとケースとの接合部のさらに別の例を示す断面図である。It is sectional drawing which shows another example of the junction part of the core and case in the multi-plate heat exchanger which concerns on embodiment of this invention. 本発明の実施の形態に係る多板式熱交換器における凸部の別の例を示す断面図である。It is sectional drawing which shows another example of the convex part in the multi-plate heat exchanger which concerns on embodiment of this invention. 本発明の実施の形態に係る多板式熱交換器における凸部のさらに別の例を示す断面図である。It is sectional drawing which shows another example of the convex part in the multi-plate heat exchanger which concerns on embodiment of this invention. 従来の多板式熱交換器を示す斜視図である。It is a perspective view which shows the conventional multi-plate type heat exchanger.

符号の説明Explanation of symbols

１１ 多板式熱交換器
１２ 中空体
１３ コア
１４ ケース
２３ 凸部
３１ 被冷却流体の流通路
３２ 冷却流体の流通路
４１ 凸部
５１ 凸部
６１ 凹部
７１ 係合部
７２ 係合部
８１ 凸部
９１ 凸部
９２ 流通路 DESCRIPTION OF SYMBOLS 11 Multi-plate type heat exchanger 12 Hollow body 13 Core 14 Case 23 Convex part 31 Flow path of fluid to be cooled 32 Flow path of cooling fluid 41 Convex part 51 Convex part 61 Concave part 71 Engaging part 72 Engaging part 81 Convex part 91 Convex part Part 92 Flow path

Claims (8)

内部に冷却流体の流通路が形成される中空体を積層して構成されたコアと、該コアを囲繞し、該コアとの間に被冷却流体の流通路が形成されるケースとを備えた多板式熱交換器において、
前記コアと前記ケースの内面とが部分的にロウ付け接合可能なように構成されていることを特徴とする多板式熱交換器。 A core configured by stacking hollow bodies in which a cooling fluid flow path is formed, and a case surrounding the core and forming a cooling fluid flow path between the core and the core. In a multi-plate heat exchanger,
A multi-plate heat exchanger characterized in that the core and the inner surface of the case can be partially brazed and joined. 前記中空体の外周部には凸部が形成されており、該凸部を介して前記コアと前記ケースの内面とが部分的にロウ付け接合可能なように構成されている請求項１に記載の多板式熱交換器。 The convex part is formed in the outer peripheral part of the said hollow body, The said core and the inner surface of the said case are comprised so that brazing joining is possible via this convex part. Multi-plate heat exchanger. 前記凸部は前記中空体が前記ケースの内面に点接触可能なように形成されている請求項２に記載の多板式熱交換器。 The multi-plate heat exchanger according to claim 2, wherein the convex portion is formed so that the hollow body can make point contact with the inner surface of the case. 前記凸部は前記中空体が前記ケースの内面に線接触可能なように形成されている請求項２に記載の多板式熱交換器。 The multi-plate heat exchanger according to claim 2, wherein the convex portion is formed so that the hollow body can be in line contact with the inner surface of the case. 前記ケースには凹部が形成されており、該凹部を介して前記コアと前記ケースの内面とが部分的にロウ付け接合可能なように構成されている請求項１に記載の多板式熱交換器。 The multi-plate heat exchanger according to claim 1, wherein the case is formed with a recess, and the core and the inner surface of the case can be partially brazed and joined via the recess. . 前記凹部は前記中空体が前記ケースの内面に点接触可能なように形成されている請求項５に記載の多板式熱交換器。 The multi-plate heat exchanger according to claim 5, wherein the recess is formed so that the hollow body can make point contact with an inner surface of the case. 前記凹部は前記中空体が前記ケースの内面に線接触可能なように形成されている請求項５に記載の多板式熱交換器。 The multi-plate heat exchanger according to claim 5, wherein the recess is formed so that the hollow body can come into line contact with an inner surface of the case. 前記中空体の外周部と前記ケースにはそれぞれ互いに係合可能な係合部が形成されており、該係合部を介して前記コアと前記ケースの内面とが部分的にロウ付け接合可能なように構成されている請求項１に記載の多板式熱交換器。
Engagement portions that can engage with each other are formed on the outer peripheral portion of the hollow body and the case, respectively, and the core and the inner surface of the case can be partially brazed and joined via the engagement portion. The multi-plate heat exchanger according to claim 1 configured as described above.
JP2005115489A 2005-04-13 2005-04-13 Multi-plate heat exchanger Expired - Fee Related JP4664114B2 (en)

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JP2008275210A (en) * 2007-04-26 2008-11-13 T Rad Co Ltd Heat exchanger
JP2009168382A (en) * 2008-01-18 2009-07-30 Mahle Filter Systems Japan Corp Heat exchanger
JP2009281703A (en) * 2008-05-26 2009-12-03 T Rad Co Ltd Heat exchanger
JP2009281696A (en) * 2008-05-26 2009-12-03 T Rad Co Ltd Condenser
JP2010190515A (en) * 2009-02-19 2010-09-02 T Rad Co Ltd Heat sink
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JP2008275210A (en) * 2007-04-26 2008-11-13 T Rad Co Ltd Heat exchanger
JP2009168382A (en) * 2008-01-18 2009-07-30 Mahle Filter Systems Japan Corp Heat exchanger
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WO2016049776A1 (en) * 2014-10-03 2016-04-07 Dana Canada Corporation Heat exchanger with self-retaining bypass seal
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