JPS59129395A - Heat exchanger - Google Patents
Heat exchangerInfo
- Publication number
- JPS59129395A JPS59129395A JP251283A JP251283A JPS59129395A JP S59129395 A JPS59129395 A JP S59129395A JP 251283 A JP251283 A JP 251283A JP 251283 A JP251283 A JP 251283A JP S59129395 A JPS59129395 A JP S59129395A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- core
- heat exchanger
- plate
- core plate
- 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
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
- F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
- F28F9/0224—Header boxes formed by sealing end plates into covers
- F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2225/00—Reinforcing means
- F28F2225/08—Reinforcing means for header boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/12—Fastening; Joining by methods involving deformation of the elements
- F28F2275/122—Fastening; Joining by methods involving deformation of the elements by crimping, caulking or clinching
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、金属製の熱交換コアに合成樹脂製のタンクを
かしめ作業によって取付けた熱交換器に関し、例えば自
動車用ラジェータに用い−（々−ｆ８なものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a heat exchanger in which a synthetic resin tank is attached to a metal heat exchange core by caulking, and is used, for example, in an automobile radiator.
（ｆ来の熱交換器はチューブの端部にコアプレートを設
けると共に、このコアプレー１・の外周縁を溝形に成形
し、この溝内に合成樹脂タンクの端縁に設けたほぼ四角
形断面の取付部を嵌合させ、コアプレー１・の溝形部の
外面に係合したかしめプレートをこの取付部にかしめる
ことによってタンクを本体に密封装着する構成となって
いた。そして、溝２０に嵌合したタンク端縫取付部ＩＯ
の底面１１と溝底面１９との間には第１図に示す様に弾
性シール材２１が設置してあった。ただ従来の熱交換器
ではこの弾性シール材２１の直下の溝底壁１９を構成し
ているコアプレー１・部分に割れが生じ、熱交換器の寿
命が短か（なることがあった。これが応力腐食割れであ
ることを本発明者らはつきとめた。応力腐食割れという
のは、腐食という化学的な働きと応力という物理的な働
きの相乗作用によって生しる割れのことである。(The conventional heat exchanger is equipped with a core plate at the end of the tube, and the outer periphery of this core plate 1 is formed into a groove shape, and within this groove is a roughly square cross section provided at the edge of the synthetic resin tank. The tank is hermetically attached to the main body by fitting the mounting part and crimping the caulking plate, which is engaged with the outer surface of the grooved part of the core play 1, onto the mounting part. Combined tank end sewing attachment part IO
As shown in FIG. 1, an elastic sealing material 21 was installed between the bottom surface 11 and the groove bottom surface 19. However, in conventional heat exchangers, cracks occur in the core play 1 portion that constitutes the groove bottom wall 19 directly under the elastic sealing material 21, which may shorten the life of the heat exchanger. The inventors of the present invention found that this was corrosion cracking. Stress corrosion cracking is cracking that occurs due to the synergistic effect of the chemical action of corrosion and the physical action of stress.
次にこの応力腐食割れについて説明する。Next, this stress corrosion cracking will be explained.
第１図図示の構成において、タンク２の内部Ａに存在す
る冷却水が、コアプレート溝部２０の内面、タンク取付
部１０の内面および弾性シール材２１の表面で形成され
たすきま部２４に＋ａし、すきま腐食環境が生じる。す
なわち、すきま部２４に溜った液体中の腐食性成分が拡
散しにくい上に、黄銅型のコアプレート表面の不動態被
膜（酸化被）模）はその不動態を保持しようとしてずき
まＲ１＋ ２４内の液体中の酸素を消費し、そのため、
すきま部２４内の液体とタンク内の液体との間に酸素の
濃度差か生し、酸素濃淡電池が形成される。In the configuration shown in FIG. 1, the cooling water present in the interior A of the tank 2 enters the gap 24 formed between the inner surface of the core plate groove 20, the inner surface of the tank mounting portion 10, and the surface of the elastic sealing material 21. , creating a crevice corrosion environment. In other words, the corrosive components in the liquid that have accumulated in the gap 24 are difficult to diffuse, and the passive film (oxidized film) on the surface of the brass core plate tries to maintain its passivity and forms a gap inside the gap R1+ 24. consumes oxygen in the liquid and therefore
A difference in oxygen concentration occurs between the liquid in the gap 24 and the liquid in the tank, forming an oxygen concentration battery.
その電池の作用により、すきま部２４内の液体のＰｌ＋
が低下し、この結果生じる腐食環境は非常にきびしいも
のとなる。Due to the action of the battery, Pl+ of the liquid in the gap 24
The resulting corrosive environment becomes extremely harsh.
それに加えて、かしめプレート２３のつめ部２２の曲げ
加工時に加わる曲げ荷重が溝部の外方側壁１８を経て底
壁１９に伝えられ、その結果、溝部底壁１９のうちシー
ル材２１と接する側の表面には引張応力が牛し、かしめ
作業終了後もこの応力が残留する。In addition, the bending load applied during bending of the claw portion 22 of the caulking plate 23 is transmitted to the bottom wall 19 via the outer side wall 18 of the groove, and as a result, the side of the groove bottom wall 19 in contact with the sealing material 21 is Tensile stress occurs on the surface, and this stress remains even after the caulking process is completed.
さらに、第２図に示すようにタンク２内部への圧力が負
荷されると、タンク２が外方向に拡がりそれにつれてタ
ンク取付部１０は拡張することになる。その古、、を果
、コアプレート１６の外方側壁１８は外方向に押されて
変形し、外方側壁１８と底壁１９、あるいは内方側壁１
７と底壁１９との間で出来る角度か９０’以−ヒに開か
れてしまう。その為、この側壁１７の拡がりに応して底
壁１９のうちシール部材２１と接する側の表面には引張
り応力が生ずる。しかも、このタンク２内Ａの圧力は自
動車用ラジェータの場合はエンジン始動後、冷却水温の
」二昇によって、冷却水系統圧が上昇し運転中は常に負
荷されている。Further, as shown in FIG. 2, when pressure is applied to the inside of the tank 2, the tank 2 expands outward, and the tank attachment portion 10 expands accordingly. As a result, the outer side wall 18 of the core plate 16 is pushed outward and deformed, and the outer side wall 18 and the bottom wall 19 or the inner side wall 1
The angle formed between 7 and the bottom wall 19 is opened to more than 90'. Therefore, as the side wall 17 expands, tensile stress is generated on the surface of the bottom wall 19 on the side that comes into contact with the sealing member 21. Furthermore, in the case of an automobile radiator, the pressure in the tank 2 is always under load during operation because the cooling water system pressure increases as the cooling water temperature rises after the engine is started.
従って、以上の条件の下で、コアプレート溝部２０の底
壁１９に応力腐食割れが容易に生しることは明らかであ
る。この事実に本発明者らが始めて気付き、種々の実験
の結果、本発明に到達したのである。その際、アンモニ
ア等の成分を多く含む通常の水を冷却水として用いた場
合、割れ寿命の悪化が著しいことも合わせて確認した。Therefore, it is clear that stress corrosion cracking easily occurs in the bottom wall 19 of the core plate groove 20 under the above conditions. The present inventors were the first to notice this fact and, as a result of various experiments, arrived at the present invention. At that time, it was also confirmed that when ordinary water containing a large amount of components such as ammonia was used as cooling water, the cracking life deteriorated significantly.
本発明は以上の本発明者等による研究結果に基づいて一
案出されたもので、上述のような応力腐食割れを防いで
熱交換器の寿命を延ばすことを目的とする。The present invention was devised based on the above research results by the present inventors, and aims to extend the life of a heat exchanger by preventing stress corrosion cracking as described above.
以下、添付図面を参照しながらより詳しく説明する。A more detailed explanation will be given below with reference to the accompanying drawings.
第３図は本発明に係る熱交換器を自動車用ラジェータに
用いた場合の一実施例を示しており、ラジェータは銅製
のコルゲートフィン７と黄銅製のチコーブ８を含む金属
製のコア部１とその上、下端に密封装省した合成樹脂製
のタンク２．３とを包含する。」ニガのタンク２には冷
却水補給「１４と冷却水流入バ・イブ５とが設けてあり
、下方タンク３には冷却流出バイブロが設けであるが、
基本的に」−１下のタンクは同じ構造である。従って、
上方のタンク２についてのみ説明する。−Ｌ下を逆にし
て名えれば、以下の説明は下方タンク３にも適用できる
ことは了解されたい。FIG. 3 shows an embodiment in which the heat exchanger according to the present invention is used in an automobile radiator. Moreover, it includes a tank 2.3 made of synthetic resin and sealed at the lower end. The Niga tank 2 is equipped with a cooling water supply 14 and a cooling water inflow vibrator 5, and the lower tank 3 is equipped with a cooling outflow vibro.
Basically, the tank under "-1" has the same structure. Therefore,
Only the upper tank 2 will be explained. It should be understood that the following explanation can also be applied to the lower tank 3 if the -L lower is reversed.
そし２て、このタンク２は第４図に示す様に一端開放と
なった容器となっており、これをチコーブＩ３が結合し
たコアプレー１・１６の端部にかぶ一υることによって
タンク２が完全に閉しられる。タンク２の開放端縁の全
周に沿ってほぼ四角形断面の取付部１０が設けである。2, this tank 2 is a container with one end open as shown in Fig. 4, and by putting it over the end of the core play 1, 16 to which the Chicove I3 is connected, the tank 2 is opened. completely closed. A mounting portion 10 having a substantially square cross section is provided along the entire circumference of the open edge of the tank 2.
この取付部１０は互に平行で平な表面を待つ内、外の作
用面１１．１２とこれらの内外作用面に対して直角の内
、外の側壁面１３．１４とを有する。This mounting part 10 has inner and outer working surfaces 11.12 which are plane surfaces parallel to each other and inner and outer side wall surfaces 13.14 at right angles to these inner and outer working surfaces.
チューブ７の端部側面は黄銅製のコアプレート１６に適
当な手段、たとえば半田付、ろう付は等で固着しである
。コアプレートノロの外周縁には内、外の側壁１７、Ｉ
８および底壁１９を有する断面四角形状の溝部２０が成
形しである。The end side surface of the tube 7 is fixed to the brass core plate 16 by suitable means, such as soldering, brazing, etc. The outer periphery of the core plate groove has inner and outer side walls 17, I
A groove portion 20 having a rectangular cross section and having a bottom wall 19 and a bottom wall 19 is molded.
コア部１とタンク２との組立ては次の様にして行なわれ
る。溝部２０にタンク２の端縁取付部１０が嵌め込む。The core part 1 and tank 2 are assembled as follows. The edge attachment part 10 of the tank 2 is fitted into the groove part 20.
このとき、取付部１ｏの内、外の側壁面１３．１４はそ
れぞれ溝部２ｏの内、外の側壁Ｉ７．１８とを係合し、
取付部１ｏの内方作用面１１と溝部底壁１９の内面との
間にはゴム製０リングからなる弾性シール材２１が設置
される。At this time, the inner and outer side wall surfaces 13.14 of the mounting portion 1o engage with the inner and outer side walls I7.18 of the groove portion 2o, respectively,
An elastic sealing material 21 made of a rubber O-ring is installed between the inner working surface 11 of the mounting portion 1o and the inner surface of the groove bottom wall 19.
次に、頂縁につめ部２２を有するほぼＬ字形（図では逆
り字形になっているが、反対側ではＬ字形である）の断
面を持つ鉄板製のがしめプレート２３をコアプレート１
６の溝部２ｏに係合させ、つめ部２２をタンク２の端縁
取付部１ｏの外方作用面１２に向ってかしめる。その結
果、タンク端縁取付部１０はその内方作用面１１で弾性
シール材２１を変形すると共にコアプレート１６の溝部
２０に堅固に密封装着されることになる。Next, a clinching plate 23 made of an iron plate having an approximately L-shaped cross section (inverted in the figure, but L-shaped on the opposite side) with a claw portion 22 at the top edge is attached to the core plate 1.
6, and caulk the pawl portion 22 toward the outwardly acting surface 12 of the edge attachment portion 1o of the tank 2. As a result, the tank edge attachment portion 10 deforms the elastic sealing material 21 on its inner working surface 11 and is securely and sealingly attached to the groove portion 20 of the core plate 16.
また、タンク２の内部には約１００ ｖｓ＊程度のビノ
ヂで数ｉｌｌのリブ状の補強部３０が一体に成形されて
いる。尚、本例では補強部２０は厚さ２〜３鰭、篩さ約
１０鯖程度となっ゛（いる。その為本例ではタンク２内
部八に圧力が負荷されたときでも、この補強具３０によ
りタンク２が外方向・＼の広がるのが防止される。そし
て、その結果コアプレート１６の底壁１９への引張り応
力も低減され、ひいてはコアプレー１・１６底壁１９の
応力局食割れも防止される。Further, inside the tank 2, several ills of rib-shaped reinforcing parts 30 are integrally molded with a width of about 100 vs*. In this example, the reinforcing part 20 has a thickness of 2 to 3 fins and a sieve size of about 10 fins.Therefore, in this example, even when pressure is applied to the inside of the tank 2, this reinforcing member 30 This prevents the tank 2 from expanding outward/\.As a result, the tensile stress on the bottom wall 19 of the core plate 16 is also reduced, and stress localized corrosion cracking of the bottom wall 19 of the core plate 1/16 is also prevented. be done.
なお、タンク２の補強リブ３０は、タンク？の成形時、
あらかしめ長手方向に自在に移動可能な中子構造を有す
る成形型を用いて成形とＪる。尤も、タンク２をあらか
しめ成形し°ζおいた後、補強リブ３０を溶着または接
着する方法にて成形しても効果は同しである。In addition, the reinforcing rib 30 of the tank 2 is a tank? When molding,
The molding is performed using a mold having a core structure that can freely move in the longitudinal direction. However, the same effect can be achieved even if the reinforcing ribs 30 are welded or bonded after the tank 2 has been roughly molded and then molded.
また、補強ｉｌ！ｌ＋ ３０を板状としないＣ、リブ３
０の上方に空間３１を設ける様にしたことにより熱交換
器としての通水抵抗の一ヒ昇を押さえることができ、同
時にタンク２の上部に生じやすい空気だまりも、上部に
生じた空気を注水口部４から外部へ容易に放出すること
ができる。Also, reinforcement il! C, rib 3 where l+ 30 is not plate-shaped
By providing the space 31 above the tank 2, it is possible to suppress an increase in the water flow resistance as a heat exchanger, and at the same time, the air pockets that tend to form at the top of the tank 2 can be removed by pouring the air that forms at the top. It can be easily discharged to the outside from the water spout 4.
なお、上述したのは本発明の望しい態様であるが、本発
明はこの一例に限定されるへきでなく、他に種々の態様
がある。Although the above-mentioned embodiments are preferred embodiments of the present invention, the present invention is not limited to this example, and includes various other embodiments.
即ち、第５図に示すようにタンク２の内面に複数個の袋
部３５を設け、図に示すような板バネ４０を補強部とし
てこの袋部３５へ嵌合してもよい。That is, as shown in FIG. 5, a plurality of bag portions 35 may be provided on the inner surface of the tank 2, and a plate spring 40 as shown in the figure may be fitted into the bag portions 35 as a reinforcing portion.
この板ばね４０もタンク２内圧の負荷時には、タンク２
の外方向への広がりを防止することができる。また、第
６図に示ず様に側壁１８の高さｈより絞め高さＩ（を０
．５鰭以上高くてもよい。特にこの打にした絞め時に絞
めプレート爪部２２の荷重が側壁１８を介して直接底壁
１９へ伝えられることがなくなり、それによって底壁１
９のシール材２１と接する側の表面に生じる引張り応力
を更に低減することができる。その結果、上述した補強
部３０（４０）による効果とあわさって、コアプレーｌ
−１６の応力腐食割れを更に良好に防止でき以上説明し
た様に本発明ｆ、％交換器はタンク内に圧力が負荷され
た時でも、タンクが外方向に向けて広がるのは補強部に
よって確実に防止できる。This leaf spring 40 also applies to the tank 2 when the tank 2 internal pressure is applied.
It is possible to prevent the outward spread of In addition, as shown in FIG.
．． May be more than 5 fins tall. In particular, when this type of strangling is performed, the load of the strangling plate claw portion 22 is not directly transmitted to the bottom wall 19 via the side wall 18, and as a result, the bottom wall 1
It is possible to further reduce the tensile stress generated on the surface of No. 9 in contact with the sealing material 21. As a result, in addition to the effect of the reinforcing portion 30 (40) mentioned above, the core play l
-16 Stress corrosion cracking can be better prevented. As explained above, the reinforcement part ensures that the tank expands outward even when pressure is applied to the tank. can be prevented.
その為タンク取付部がコアプレー１・の外力側壁をり（
方向に押し変形するのを防ぐことができ、ひいてはコア
プレートの底壁のうらシール打倒の表面に引張り応力が
ｄユじるのを低減できる。その為、本発明熱交換器は引
張り応力の存在によって４Ｌシる応力腐食割れを極めて
良好に防ぐことがごきるという優れた効果を有する。Therefore, the tank mounting part is attached to the external force side wall of Core Play 1 (
It is possible to prevent the core plate from being pushed and deformed in the direction, and in turn, it is possible to reduce the tensile stress exerted on the surface of the bottom seal collapse of the bottom wall of the core plate. Therefore, the heat exchanger of the present invention has the excellent effect of being able to extremely effectively prevent stress corrosion cracking due to the presence of tensile stress.
ｆｔ目図は従来の熱交換器の絞めプレー１．４］ｉを示
す断面図、第２図は従来の熱交換器に於てタンク内部に
圧力が加わった状態を示す断面図、第３図は本発明熱交
換器の一実施例を示す正面図、第４図は第３図のＩＶ
−ＩＶ矢視断面図、第５図は本発明熱交換器の他の例の
要部を示す断面図、第６図は本発明熱交換器の更に他の
例の要部を示す断面図である。
２．３・・・タンク、８・・・タンク、１６・・・コア
プレート＋ ３０．４．０・・・補強部。
代理人弁理士 岡 部 隆
第３図
す
第５図
第２図
／
第４図
第６図Fig. ft is a cross-sectional view showing the constriction play 1.4]i of a conventional heat exchanger, Fig. 2 is a cross-sectional view showing a state in which pressure is applied inside the tank in a conventional heat exchanger, Fig. 3 4 is a front view showing one embodiment of the heat exchanger of the present invention, and FIG. 4 is the IV of FIG. 3.
5 is a sectional view showing the main parts of another example of the heat exchanger of the present invention, and FIG. 6 is a sectional view showing the main parts of still another example of the heat exchanger of the present invention. be. 2.3... Tank, 8... Tank, 16... Core plate + 30.4.0... Reinforcement part. Representative Patent Attorney Takashi Okabe Figure 3, Figure 5, Figure 2/Figure 4, Figure 6
Claims (1)
コするコアプレー１・と、−面が開口した容器よりなり
この一面が前記コアプレー１・によって覆われるタンク
とを備え、前記コアプレーｌと前記タンクとを絞め結合
すると共に、前記タンクに一面の拡張を防止する補強部
を設けた熱交換器。The tube through which the cooling fluid flows and the end face of this duplex are open I.
a tank which is made of a container with an open side and one side of which is covered by the core play 1; the core play 1 and the tank are connected together, and one side of the tank is expanded. A heat exchanger equipped with a reinforced part to prevent this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP251283A JPS59129395A (en) | 1983-01-10 | 1983-01-10 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP251283A JPS59129395A (en) | 1983-01-10 | 1983-01-10 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59129395A true JPS59129395A (en) | 1984-07-25 |
Family
ID=11531418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP251283A Pending JPS59129395A (en) | 1983-01-10 | 1983-01-10 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59129395A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1273864A3 (en) * | 2001-07-05 | 2003-06-11 | Modine Manufacturing Company | Heat exchanger |
| JP2005326124A (en) * | 2004-05-17 | 2005-11-24 | Calsonic Kansei Corp | Tube plate structure of heat exchanger |
| WO2006077044A1 (en) * | 2005-01-18 | 2006-07-27 | Behr Gmbh & Co. Kg | Heat exchanger, in particular a charge intercooler or coolant cooler for motor vehicles |
| FR2968389A1 (en) * | 2010-12-07 | 2012-06-08 | Valeo Systemes Thermiques | COLLECTOR BOX FOR HEAT EXCHANGER AND CORRESPONDING HEAT EXCHANGER |
| FR3081544A1 (en) * | 2018-05-28 | 2019-11-29 | Valeo Systemes Thermiques | COLLECTOR BOX FOR A HEAT EXCHANGER |
-
1983
- 1983-01-10 JP JP251283A patent/JPS59129395A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1273864A3 (en) * | 2001-07-05 | 2003-06-11 | Modine Manufacturing Company | Heat exchanger |
| JP2005326124A (en) * | 2004-05-17 | 2005-11-24 | Calsonic Kansei Corp | Tube plate structure of heat exchanger |
| WO2006077044A1 (en) * | 2005-01-18 | 2006-07-27 | Behr Gmbh & Co. Kg | Heat exchanger, in particular a charge intercooler or coolant cooler for motor vehicles |
| FR2968389A1 (en) * | 2010-12-07 | 2012-06-08 | Valeo Systemes Thermiques | COLLECTOR BOX FOR HEAT EXCHANGER AND CORRESPONDING HEAT EXCHANGER |
| WO2012076326A1 (en) * | 2010-12-07 | 2012-06-14 | Valeo Systemes Thermiques | Heat exchanger header box and corresponding heat exchanger |
| CN103443573A (en) * | 2010-12-07 | 2013-12-11 | 法雷奥热***公司 | Heat exchanger header box and corresponding heat exchanger |
| JP2014502335A (en) * | 2010-12-07 | 2014-01-30 | ヴァレオ システム テルミク | Heat exchanger header box and corresponding heat exchanger |
| FR3081544A1 (en) * | 2018-05-28 | 2019-11-29 | Valeo Systemes Thermiques | COLLECTOR BOX FOR A HEAT EXCHANGER |
| WO2019229356A1 (en) * | 2018-05-28 | 2019-12-05 | Valeo Systemes Thermiques | Header tank for a heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3993126A (en) | Heat exchanger | |
| US4461348A (en) | Heat exchanger | |
| JP3414171B2 (en) | Heat exchanger | |
| US8181694B2 (en) | Collar rib for heat exchanger header tanks | |
| WO1999026037A1 (en) | Heat exchanger | |
| US9696099B2 (en) | Heat exchanger with sealing member and protrusion between core plate and header | |
| EP1357271B1 (en) | Heat exchanger drain assembly having a frangible wall | |
| US4940086A (en) | Tank for a heat exchanger | |
| JP2001194080A (en) | Heat exchanger | |
| JP2020526731A (en) | Heat exchanger | |
| JPS59129395A (en) | Heat exchanger | |
| WO2018021029A1 (en) | Heat exchanger | |
| ITMI20012266A1 (en) | MODULAR HEAT EXCHANGER AND METHOD FOR ITS PREPARATION | |
| JPS5860197A (en) | Heat exchanger | |
| JPS58224298A (en) | Heat exchanger | |
| US6324759B1 (en) | Method of making a filler neck of radiator | |
| JPS59129397A (en) | Heat exchanger | |
| JP2005201571A (en) | Resin pipe | |
| KR100866020B1 (en) | Heat exchanger with radiator tank for transmission oil and process of the same | |
| JP6969942B6 (en) | Container sealing structure | |
| JPS58148393A (en) | Heat exchanger | |
| JPS6247033Y2 (en) | ||
| JPS6350626Y2 (en) | ||
| JPS5886395A (en) | Heat exchanger | |
| JP2003232600A (en) | Pipe structure of heat exchanger |