WO2001029497A1 - Procede de formation d'une couche de corrosion sacrificielle - Google Patents
Procede de formation d'une couche de corrosion sacrificielle Download PDFInfo
- Publication number
- WO2001029497A1 WO2001029497A1 PCT/JP2000/007355 JP0007355W WO0129497A1 WO 2001029497 A1 WO2001029497 A1 WO 2001029497A1 JP 0007355 W JP0007355 W JP 0007355W WO 0129497 A1 WO0129497 A1 WO 0129497A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- radiator
- tank
- tank body
- sacrificial
- corrosion layer
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F15/00—Other methods of preventing corrosion or incrustation
-
- 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
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0435—Combination of units extending one behind the other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
- F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49389—Header or manifold making
Definitions
- the present invention relates to a method for forming a sacrificial corrosion layer on the inner wall surface of a metal tank body that is filled with a fluid such as water, and is effective when applied to manufacture a header tank of a radiator.
- the sacrificial corrosion layer is a layer made of a metal that tends to ionize more than the base material (core material), and suppresses the corrosion of the base material (in this case, the tank body). It is. Background art
- radiator header tank As a combined heat exchanger in which a radiator and a condenser are integrated, for example, in the invention described in Japanese Patent Application Laid-Open No. 9-152298, a radiator header tank (hereinafter referred to as a radiator tank). ) And a capacitor header tank (hereinafter referred to as a capacitor tank) are extruded from aluminum and formed by extrusion.
- radiator tank is filled with cooling water, a sacrificial corrosion layer must be formed on the inner wall of the radiator tank. Therefore
- a sacrificial corrosion layer is formed on the inner wall by press-forming an aluminum plate having a sacrificial material layer made of zinc formed on the surface and brazing and joining the pressed-formed member.
- the header tank is constructed.
- an object of the present invention is to provide a method capable of easily forming a sacrificial corrosion layer on the inner wall of a tank.
- a sacrifice material made of a metal which is more electrically potential lower than the tank body (234) is disposed in the tank body (234).
- the sacrificial material is heated with the tank body (2334) covering the periphery of the sacrificial material.
- the evaporated sacrificial material adheres relatively evenly to the inner wall of the tank body (234) without diffusing out of the tank body (234). Then, the sacrificial material attached to the inner wall diffuses into the metal constituting the tank body (234), and an alloy layer containing a large amount of the sacrificial material (sacrificial corrosion layer) is formed on the inner wall surface of the tank body (234). ) Is formed.
- a relatively uniform sacrificial corrosion layer can be easily formed on the inner wall of the tank body (234).
- the tank body (234) is composed of at least two parts (233, 235) and further has two parts (233, 233). 5) A sacrificial material made of a metal that is more electric potential than the tank body (2334) is arranged on at least a part of one of the inner wall surfaces, and two parts (2333, 2335) ) And heat the sacrificial material while covering around the sacrificial material.
- the evaporated sacrificial material adheres relatively evenly to the inner wall of the tank body (234) without diffusing out of the tank body (234). Then, the sacrificial material attached to the inner wall of the tank body (2 3 4) An alloy layer containing a large amount of sacrificial material (sacrificial corrosion layer) is formed on the inner wall surface of the tank body (234) by diffusing into the constituent metals.
- a relatively uniform sacrificial corrosion layer can be easily formed on the inner wall of the tank body (234).
- a plurality of tubes (211) through which a fluid flows and two or more tubes (211) are disposed at both ends in the longitudinal direction of the tubes (211) and communicate with the plurality of tubes (211).
- a metal header tank (230), and the header tank (230) includes a tank body (2334) extending in a direction orthogonal to the longitudinal direction of the tube (211), and a tank. It consists of a cap (236) that closes both longitudinal ends of the body (234). The tank body (234) and the cap (236) are connected to the tank body (236). 4)
- the sacrificial material which is made of a metal with a higher potential, is joined by heating while it is placed inside the tank body (234).
- a relatively uniform sacrificial corrosion layer can be easily formed on the inner wall of the tank body (234), thereby maintaining the corrosion resistance of the heat exchanger.
- the manufacturing cost and weight of the heat exchanger can be reduced.
- a plurality of radiator tubes (211) through which cooling water flows, and a plurality of radiator tubes (211) are provided at both longitudinal ends of the radiator tubes (211).
- Metal radiator header tank (230) that communicates with 211), multiple radiator tubes (111) through which refrigerant flows, and both ends of the radiator tubes (111) in the longitudinal direction The metal radiator header tank (120) and the radiator header tank (230) that are arranged in the radiator tube (111) and communicate with the plurality of radiator tubes (111) are connected to the radiator tube (221).
- Radiator tank body (2 3 4) extending in a direction perpendicular to the longitudinal direction of the
- the radiator cap (236) closes both ends of the radiator tank body (2334) in the longitudinal direction, and the radiator header tank (120) is the longitudinal direction of the radiator tube (111). It consists of a radiator tank body (123) extending in a direction perpendicular to the radiator tank, and a radiator cap (124) closing both longitudinal ends of the radiator tank body (123).
- radiator tank body (1 2 3 and 2 3 4) are integrally formed by extrusion or drawing, and the radiator tank body (1 2 3 and 2 3 4) and the radiator tank (2 3 6) A sacrificial material made of a metal which is more electrically potential than the radiator tank body (234) is heated and brazed while being placed inside the radiator tank body (234).
- a sacrificial corrosion layer can be easily formed only on the radiator tank (230), thereby reducing the manufacturing cost of the duplex heat exchanger while maintaining the corrosion resistance of the duplex heat exchanger.
- the weight can be reduced.
- FIG. 1 is a perspective view of a compound heat exchanger according to the first embodiment of the present invention.
- FIG. 2 is a sectional view taken along line AA of FIG.
- FIG. 3 is a sectional view taken along line BB of FIG.
- FIG. 4 is a view on arrow C in FIG.
- FIG. 5 is an oblique view of the joint of the duplex heat exchanger according to the first embodiment of the present invention.
- FIG. 6A and FIG. 6B are explanatory diagrams illustrating the outline of the method of manufacturing the compound heat exchanger according to the first embodiment of the present invention.
- FIGS. 7A and 7B are cross-sectional views showing a state in which a notch is formed at a portion corresponding to the tip of the joint, and FIGS. 7C and 7D are bent portions shown in FIGS. 7A and 7B. It is sectional drawing which shows the state which made it done.
- FIG. 8A is an exploded perspective view of a tank of the compound heat exchanger according to the first embodiment of the present invention
- FIG. 8B is an enlarged view of a portion C.
- FIG. 9 is a cross-sectional view corresponding to the BB cross section of FIG. 1 in the compound heat exchanger according to the second embodiment of the present invention.
- FIG. 10 is an exploded perspective view of the tank of the compound heat exchanger according to the first embodiment of the present invention.
- FIG. 11A and FIG. 11B are explanatory diagrams for explaining formation of a sacrificial corrosion layer.
- FIG. 12 is an explanatory diagram of a modified example of the present invention.
- FIG. 13 is a sectional view corresponding to a BB section of FIG. 1 showing a modification of the present invention.
- the present invention is applied to a dual heat exchanger including a condenser 100 for cooling the refrigerant circulating in the vehicle refrigeration cycle and a radiator 200 for cooling the engine cooling water. Things.
- a compound heat exchanger hereinafter, abbreviated as a heat exchanger
- FIG. 1 is a perspective view of a heat exchanger according to the present embodiment
- FIG. 2 is a cross-sectional view taken along line AA of FIG. 110 is the capacitor of capacitor 100 2 is a radiator core of the radiator 200
- the condenser core 110 is a flat condenser formed as a refrigerant passage as shown in FIG. It consists of a tube 111, and a corrugated (wave-shaped) fin 112 brazed to the capacitor tube 111.
- the radiator core section 210 has the same structure as the condenser core section 110, and is composed of a radiator tube 211 arranged in parallel with the condenser tube 111 and a fin 212.
- the two core portions 110 and 210 have a predetermined gap ⁇ between the two tubes 111 and 211 so as to block heat conduction from each other. They are arranged in series.
- the fins 1 1 2 and 2 1 2 are provided with lugs 1 1 3 and 2 1 3 to promote heat exchange. These lunos 1 1 3 and 2 1 3 It is molded integrally with the fins 112 and 212 by a molding method or the like.
- Reference numeral 300 denotes a side plate which forms a reinforcing member for the core portions 110 and 210. As shown in FIG. , 210 are located at both ends. As shown in FIG. 2, the side plate 300 has a substantially U-shaped cross section and is integrally formed from a single aluminum plate. Incidentally, in FIG. 1, 310 is a bracket for assembling the heat exchanger to the vehicle.
- a first radiator tank 220 for distributing cooling water to each radiator tube 211 is provided at one end of the radiator core section 210 on the side where the side plate 300 is not disposed.
- a second radiator tank 230 for collecting the cooling water after the heat exchange is disposed at one end of the radiator core section 210 on the side where the side plate 300 is not disposed.
- the first radiator tank 220 At the upper end of the first radiator tank 220, there is provided an inlet 221, which allows the cooling water flowing out of the engine to flow into the first radiator tank 220. At the lower end side of the tank 230, there is provided an outlet 2 31 for discharging the cooling water toward the engine.
- Reference numerals 222 and 232 denote joint pipes for connecting external piping (not shown) to the radiator tanks 220 and 230, respectively. 32 is connected to the radiator tanks 220 and 230 by brazing.
- Reference numeral 120 denotes a first condenser tank for distributing the refrigerant of the condenser core 110 to the condenser tubes 111, and 130 collects the refrigerant that has been subjected to heat exchange (condensation). This is the second condenser tank of the condenser core section 110.
- Reference numeral 121 denotes an inlet for allowing the refrigerant discharged from the compressor (not shown) of the refrigeration cycle to flow into the first condenser tank 120
- reference numeral 131 denotes heat exchange (condensation). This is an outlet for letting the refrigerant that has been subjected to) flow toward the expansion valve (not shown) of the refrigeration cycle.
- Reference numerals 122 and 132 denote joint pipes for connecting external piping (not shown) to both condenser tanks 120 and 130, and these joint pipes 122, 1 32 is connected to each of the capacitor tanks 120 and 130 by brazing.
- the second radiator tank 230 is connected to an aluminum radiator core plate 233 connected to the radiator tube 211, and connected to the radiator core plate 233 as shown in FIG.
- Pipe-shaped radiator tank body filled with cooling water A radiator tank member 2 35 made of aluminum and a radiator tank cap 2 36 closing both longitudinal ends of the radiator tank body 2 34 33, 23, and 23 are integrally joined by brazing.
- the first condenser tank 120 is connected to the condenser tube 111 and has a substantially elliptical cylindrical aluminum condenser tank body (radiator) forming the space of the first condenser tank 120. It has a condenser cap (radiator cap) 124 (see Fig. 1) that closes both ends of the condenser tank body 123 in the longitudinal direction.
- the condenser tank body 1 2 3 (the first condenser tank 1 2 0) has a flat condenser tube insertion hole (the first insertion hole) into which the condenser tube 1 11 is inserted.
- the radiator core plate 23 (second radiator tank 230)
- a flat radiator tube insertion hole (the second insertion hole) into which the radiator tube 211 is inserted is formed. 2 3 7 are formed.
- Both tanks 120 and 230 (the first condenser tank 120 and the radiator core plate 23) are provided with the condenser tube insertion holes 125 and the radiator tube insertion holes 22 37 are integrated (connected) at a connecting portion 400 that connects the long-diameter end portion side.
- the joint portion 400 is bent in a U or V shape so as to be convex toward both core portions 110 and 210.
- at least the tip side (bent portion) 401 is located closer to the condenser core 110 than the first condenser tank 120 when viewed from the airflow upstream side. Is formed.
- the cross-sectional area of the condenser tank body 1 2 3 and the radiator core is selected to be approximately equal to the cross-sectional area of the plate 23, and the condenser tank body 123 and the radiator core plate 23 33 are extruded or formed together with the joint 400. It is integrally formed by drawing.
- the sum of the dimension L (see FIG. 4) of a portion of the connecting portion 400 parallel to the longitudinal direction of the two tanks 120 and 230 and the two tanks 120 and 2 Notch portion 402 is formed such that the ratio ( ⁇ LZLT) of 30 to longitudinal dimension LT is 0.5 or less.
- the first radiator tank 220 and the second condenser tank 130 are also the same as the second radiator tank 230 and the first condenser tank 120.
- the term ⁇ radiator tank 230 '' is used to mean both the radiator tanks 220 and 230, and similarly, the term ⁇ condenser tank 120 '' is meant to include both the condenser tanks 120 and 130. Used in
- the condenser tank body 123 and the radiator core plate 233 are integrally formed by extrusion or drawing from an aluminum material.
- the portion corresponding to the joining portion 400 is bent at about 90 ° without being sharply bent in a U or V shape.
- a condenser tube insertion hole 125 is formed in the condenser tank body 123 by machining.
- a part of the joint portion 400 is removed by press working to form a cutout portion 402 and a radiator tube insertion hole 237 is formed.
- the joint 400 is bent into a U or V shape by press working.
- a notch (notch) was used to locally reduce the wall thickness at a portion corresponding to the tip side 401 of the joint portion 400.
- the portion corresponding to the joint portion 400 can be easily bent, while the radiator tank member 23
- a filter material is coated (cladded) on one side of an aluminum core material (base material), and a sacrificial material that is lower in potential than the core material on the other surface.
- the brazing plate material on which the sacrificial layer material composed of (in the present embodiment, zinc) is coated is pressed to be formed into an L-shaped cross section. At this time, press working is performed so that the sacrifice layer material side is the inner wall side of the radiator tank main body 234.
- the heating temperature in the furnace is higher than the melting points of the brazing material and the sacrificial layer material (zinc), and lower than the aluminum of the core material.
- the melting point of the core material is from 65 ° C to 660 ° C
- the melting point of the brazing material is about 570 ° C
- the melting point of the sacrificial layer material (zinc) is about 42 ° C. Because it is 0 ° C
- the heating temperature is about 600 ° C, and the heating time varies depending on the size of the heat exchanger, but is about 10 minutes after reaching the heating temperature.
- the no-cork brazing method is a method of applying a flux for removing an oxide film to an aluminum material covered with a brazing material (cladding). It refers to a method of heating and brazing in an atmosphere of an inert gas such as nitrogen.
- the radiator tank member 235 and the radiator core plate 233 are heated in a state of being assembled, the sacrifice layer material (sacrifice material) coated on the radiator tank member 235 is Then, the evaporator is evaporated while being surrounded by a radiator tank main body 234 comprising a radiator tank member 235 and a radiator core plate 233.
- the evaporated sacrificial material (zinc) does not diffuse out of the radiator tank body 234 and is relatively evenly distributed on the inner wall of the radiator tank body 234 including the radiator core plate 233 side. Adheres to Then, the sacrificial material (zinc) attached to the inner wall diffuses into the aluminum constituting the radiator tank main body 234, and an alloy layer containing a large amount of the sacrifice material (zinc) is formed on the inner wall surface of the radiator tank main body 234. (Sacrificial corrosion layer) is formed.
- a relatively uniform sacrificial corrosion layer can be easily formed on the inner wall of the radiator tank main body 234. As a result, it is possible to reduce the manufacturing cost and weight of the heat exchanger while maintaining the corrosion resistance of the heat exchanger.
- the opening of the radiator tank main body 234 is closed by the radiator tank cap 236 and the radiator tank main body 234 is kept in a closed space, the evaporated sacrificial material is heated by the radiator tank.
- tank Spreading out of the main body 234 can be reliably prevented, and a sacrificial corrosion layer can also be easily formed on the inner wall of the radiator cap 236. Therefore, the sacrificial corrosion layer can be reliably formed on the inner wall of the radiator tank 230 without unnecessarily increasing the amount of the sacrificial material (zinc).
- the sacrificial corrosion layer is formed simultaneously with the heating at the time of the brazing, a separate heating step for forming the sacrificial corrosion layer is not required, and the man-hour for manufacturing the heat exchanger can be reduced.
- the evaporated sacrificial material (zinc) also enters the radiator tube 211, so that a sacrificial corrosion layer can be formed on the inner wall of the radiator tube 211.
- the radiator tank main body 2 34 is composed of two parts, the radiator tank member 2 35 and the radiator core plate 2 33, but in the present embodiment, as shown in FIG.
- the entire radiator tank body 2 34 is integrally formed by extrusion or drawing from aluminum.
- the solidified (ingot) Z of the sacrificial material (a zinc alloy containing zinc as a main component) is placed in the radiator tank main body 234.
- the other parts such as the radiator tank cap 26 and the radiator tube 211 are temporarily assembled to the radiator tank body 234 and then heated and heated.
- the radiator tank cap 2 66 since the filler material is not coated on the radiator tank cap 26 6, the radiator tank cap 2 66 The brazing material is applied and brazed by heating after applying the filler material to the part where the eater tube 211 is joined.
- the mass Z of the sacrificial material is heated while its surroundings are covered with the radiator tank main body 234, so that it evaporates as in the first embodiment.
- the sacrificial material (zinc) does not diffuse out of the radiator tank body 234 and is relatively evenly distributed on the inner wall of the radiator tank body 234. Adhere to.
- the sacrificial material (zinc) attached to the inner wall diffuses into the aluminum constituting the radiator tank main body 234, and an alloy layer containing a large amount of the sacrificial material (zinc) is formed on the inner wall surface of the radiator tank main body 234. (Sacrificial corrosion layer) is formed.
- the condenser tank 120 is filled with the refrigerant, there is no need to provide a sacrificial corrosion layer on the inner wall of the condenser tank body 123, whereas the radiator tank 230 contains cooling water. As a result, a sacrificial corrosion layer must be formed.
- the radiator tank body 2 3 4 since the two tank bodies 1 2 3 and 2 3 4 are integrally formed by extrusion or drawing, as described in the section of “Background Art”, the radiator tank body 2 3 4 It is difficult to form a sacrificial corrosion layer on the inner wall of the building.
- the sacrificial corrosion layer can be easily formed only on the inner wall of the radiator tank body 234, so that both tank bodies 1 2 3 and 2 3
- This embodiment is particularly effective when the present embodiment is applied to a heat exchanger integrally formed by extrusion or drawing of No.4.
- a press-formed product (radiator tank member 235) coated with a sacrifice material (sacrifice layer material) is used.
- Both the tank member 235 and the radiator core plate 233 are formed by extrusion or drawing from an aluminum material, and as shown in FIG. 12, the radiator tank member 235 and the radiator core plate are formed.
- the sacrificial material may be arranged by spraying the sacrificial material on at least one of the two or three sides.
- the sacrificial material (zinc) evaporates, and the relatively large amount of the sacrificial material adheres to the inner wall of the radiation tank main body 234. Since the sacrifice material does not adhere evenly at the time of thermal spraying, the sacrifice corrosion layer can be formed substantially uniformly on the inner wall surface of the radiator tank main body 234.
- the no-cord brazing method is adopted, but the present invention can be applied to a vacuum brazing method.
- the sacrificial corrosion layer is formed on the inner wall of the square pipe-shaped radiator tank main body 24, but the present invention is not limited to this, and a round pipe-shaped tank, pipe, or tube is used. For example, it can be applied to the case where a sacrificial corrosion layer is formed.
- the heat exchanger according to the present invention incorporates a fuel tank 500 for cooling lubricating oil such as engine oil and transmission oil in a radiator tank 230. It can also be applied to those that did.
- the present invention has been described by taking as an example a double heat exchanger in which a condenser and a radiator are integrated, but the present invention can also be applied to a radiator alone.
- “disposing the sacrificial material in the tank main body 234” referred to in the present specification means, as in the second embodiment, the solidification of the sacrificial material.
- the meaning includes covering the core material sacrificial layer material as in the first embodiment. W taste.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Laminated Bodies (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00969971A EP1146311B1 (en) | 1999-10-21 | 2000-10-20 | Sacrifice corrosion layer forming method |
DE60045275T DE60045275D1 (de) | 1999-10-21 | 2000-10-20 | Verfahren zur bildung einer opferkorrosionsschutzschicht |
KR10-2001-7007778A KR100436070B1 (ko) | 1999-10-21 | 2000-10-20 | 희생 부식층의 형성 방법 |
US09/885,549 US6601644B2 (en) | 1999-10-21 | 2001-06-20 | Corrosion preventing layer forming method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/300206 | 1999-10-21 | ||
JP30020699A JP4399925B2 (ja) | 1999-10-21 | 1999-10-21 | 犠牲腐食層の形成方法、熱交換器及び複式熱交換器 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/885,549 Continuation US6601644B2 (en) | 1999-10-21 | 2001-06-20 | Corrosion preventing layer forming method |
Publications (1)
Publication Number | Publication Date |
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WO2001029497A1 true WO2001029497A1 (fr) | 2001-04-26 |
Family
ID=17882011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/007355 WO2001029497A1 (fr) | 1999-10-21 | 2000-10-20 | Procede de formation d'une couche de corrosion sacrificielle |
Country Status (6)
Country | Link |
---|---|
US (1) | US6601644B2 (ja) |
EP (1) | EP1146311B1 (ja) |
JP (1) | JP4399925B2 (ja) |
KR (1) | KR100436070B1 (ja) |
DE (1) | DE60045275D1 (ja) |
WO (1) | WO2001029497A1 (ja) |
Families Citing this family (10)
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TW552382B (en) * | 2001-06-18 | 2003-09-11 | Showa Dendo Kk | Evaporator, manufacturing method of the same, header for evaporator and refrigeration system |
FR2840396A1 (fr) * | 2002-05-28 | 2003-12-05 | Valeo Thermique Moteur Sa | Dispositif de protection d'un echangeur de chaleur contre la corrosion |
US6883502B2 (en) * | 2003-06-16 | 2005-04-26 | Caterpillar Inc. | Fluid/liquid heat exchanger with variable pitch liquid passageways and engine system using same |
DE10339663A1 (de) * | 2003-08-28 | 2005-03-24 | Behr Gmbh & Co. Kg | Wärmetauschereinheit für Kraftfahrzeuge |
US7722922B2 (en) * | 2003-10-20 | 2010-05-25 | Furukawa-Sky Aluminum Corp. | Coating apparatus for an aluminum alloy heat exchanger member, method of producing a heat exchanger member, and aluminum alloy heat exchanger member |
KR100619239B1 (ko) * | 2004-06-02 | 2006-08-31 | 한국델파이주식회사 | Toc 일체형 열교환기 |
CN101663554B (zh) * | 2007-04-05 | 2011-11-16 | 达纳加拿大公司 | 热交换器的构造 |
SG10201506489XA (en) * | 2015-08-18 | 2017-03-30 | Mastercard International Inc | Method And System For Providing A Travel Recommendation |
FR3095037B1 (fr) * | 2019-04-11 | 2022-06-03 | Valeo Systemes Thermiques | Dispositif de fixation pour des échangeurs de chaleur d’un système d’échange thermique de véhicule |
US20220338886A1 (en) | 2019-06-19 | 2022-10-27 | Think Surgical, Inc. | System and method to position a tracking system field-of-view |
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JPH10152767A (ja) * | 1996-11-22 | 1998-06-09 | Calsonic Corp | アルミニウム合金製伝熱管内面の防食処理方法 |
WO1999026037A1 (fr) | 1997-11-14 | 1999-05-27 | Zexel Corporation | Echangeur thermique |
JPH11142078A (ja) * | 1997-11-06 | 1999-05-28 | Denso Corp | アルミニウム熱交換器およびその製造方法 |
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US3960208A (en) * | 1974-02-04 | 1976-06-01 | Swiss Aluminium Ltd. | Process for providing heat transfer with resistance to erosion-corrosion in aqueous environment |
JPS5950269B2 (ja) * | 1980-05-23 | 1984-12-07 | 住友軽金属工業株式会社 | 熱交換器の伝熱管内面防食用被覆組成物 |
US5246064A (en) * | 1986-07-29 | 1993-09-21 | Showa Aluminum Corporation | Condenser for use in a car cooling system |
JP2564190B2 (ja) * | 1988-09-12 | 1996-12-18 | 株式会社神戸製鋼所 | ろう付け用アルミニウム合金複合材 |
JPH0616308Y2 (ja) * | 1989-03-08 | 1994-04-27 | サンデン株式会社 | 熱交換器 |
US5152339A (en) * | 1990-04-03 | 1992-10-06 | Thermal Components, Inc. | Manifold assembly for a parallel flow heat exchanger |
JPH06272069A (ja) * | 1993-03-22 | 1994-09-27 | Nippon Light Metal Co Ltd | 犠牲陽極を使用したAl合金製ラジエータの防食 |
JPH07314177A (ja) * | 1994-03-28 | 1995-12-05 | Mitsubishi Alum Co Ltd | ろう付用組成物及びろう付用組成物が設けられてなる Al材料並びに熱交換器 |
US5544698A (en) * | 1994-03-30 | 1996-08-13 | Peerless Of America, Incorporated | Differential coatings for microextruded tubes used in parallel flow heat exchangers |
JPH0933190A (ja) * | 1995-07-20 | 1997-02-07 | Denso Corp | 積層型熱交換器 |
JP3857791B2 (ja) * | 1996-11-19 | 2006-12-13 | カルソニックカンセイ株式会社 | 熱交換器用タンク |
JP3810875B2 (ja) * | 1997-01-24 | 2006-08-16 | カルソニックカンセイ株式会社 | 一体型熱交換器 |
DE69902614T2 (de) * | 1998-10-19 | 2003-08-07 | Denso Corp | Doppelwärmetauscher, mit Kondensator und Radiator |
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- 1999-10-21 JP JP30020699A patent/JP4399925B2/ja not_active Expired - Fee Related
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2000
- 2000-10-20 KR KR10-2001-7007778A patent/KR100436070B1/ko not_active IP Right Cessation
- 2000-10-20 DE DE60045275T patent/DE60045275D1/de not_active Expired - Lifetime
- 2000-10-20 WO PCT/JP2000/007355 patent/WO2001029497A1/ja active IP Right Grant
- 2000-10-20 EP EP00969971A patent/EP1146311B1/en not_active Expired - Lifetime
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2001
- 2001-06-20 US US09/885,549 patent/US6601644B2/en not_active Expired - Lifetime
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JPS5971998A (ja) * | 1982-10-19 | 1984-04-23 | Nippon Denso Co Ltd | アルミニウム熱交換器 |
JPH01142395A (ja) * | 1987-11-28 | 1989-06-05 | Osaka Gas Co Ltd | 煙管式排熱回収用熱交換器 |
JPH09152298A (ja) * | 1995-11-29 | 1997-06-10 | Denso Corp | 熱交換器 |
JPH10152767A (ja) * | 1996-11-22 | 1998-06-09 | Calsonic Corp | アルミニウム合金製伝熱管内面の防食処理方法 |
JPH11142078A (ja) * | 1997-11-06 | 1999-05-28 | Denso Corp | アルミニウム熱交換器およびその製造方法 |
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Title |
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See also references of EP1146311A4 |
Also Published As
Publication number | Publication date |
---|---|
EP1146311A1 (en) | 2001-10-17 |
EP1146311B1 (en) | 2010-11-24 |
JP2001116489A (ja) | 2001-04-27 |
US6601644B2 (en) | 2003-08-05 |
KR20010099846A (ko) | 2001-11-09 |
JP4399925B2 (ja) | 2010-01-20 |
KR100436070B1 (ko) | 2004-06-12 |
DE60045275D1 (de) | 2011-01-05 |
EP1146311A4 (en) | 2005-07-13 |
US20020005278A1 (en) | 2002-01-17 |
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