WO2005005907A1 - アルミニューム製熱交換器 - Google Patents
アルミニューム製熱交換器 Download PDFInfo
- Publication number
- WO2005005907A1 WO2005005907A1 PCT/JP2004/009793 JP2004009793W WO2005005907A1 WO 2005005907 A1 WO2005005907 A1 WO 2005005907A1 JP 2004009793 W JP2004009793 W JP 2004009793W WO 2005005907 A1 WO2005005907 A1 WO 2005005907A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brazing
- heat exchanger
- aluminum
- sacrificial anode
- weight
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/083—Supply, or operations combined with supply, of strip material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- 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
- F28D1/03—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 plate-like or laminated conduits
- F28D1/0391—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 plate-like or laminated conduits a single plate being bent to form one or more conduits
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- 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
-
- 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
- F28F21/089—Coatings, claddings or bonding layers made from metals or metal alloys
Definitions
- a flat tube is formed by bending in a width direction an aluminum-made band-shaped material having a brazing material and a sacrificial anode material in a core material, and a plurality of the tubes are arranged in parallel to form a heat exchanger core.
- the present invention relates to an aluminum heat exchanger which is integrally brazed and fixed in a furnace using a flux for brazing.
- a heat exchanger made of aluminum in which a band-shaped material having an outer surface covered with a brazing material is bent into a flat tube, and its joint is joined together by a brazing material.
- a flat tube having a B-shaped cross section is also known.
- flat tubes whose outer surfaces are coated with brazing material are arranged in parallel at equal intervals, corrugated fins are arranged between the flat tubes, and both ends of the flat tubes are inserted into the tube through holes of the tube plate. Through the core. Then, a flux was attached to the surface of the brazing material in advance, and brazing was performed in a furnace in an inert gas atmosphere to complete the heat exchanger. Also, the inner surface of the flat tube was coated with a sacrificial anode material to prevent corrosion on the inner surface of the tube.
- sacrificial anode materials containing Mg at 1% or more were used to improve the strength of the tubes. After the brazing, the Mg was combined with the Si component on the base material side to form a Mg 2 Si layer on the base material, thereby increasing the strength of the tube.
- a sacrificial anode material containing 1% or more of Mg when using a sacrificial anode material containing 1% or more of Mg,
- an object of the present invention is to be able to favorably braze a joint while maintaining the strength of a flat tube. Disclosure of the invention
- the present invention according to claim 1 is a method for manufacturing an aluminum band material in which a brazing material (2) is coated on an outer surface of a core material (1) and a sacrificial anode material (3) is coated on an inner surface.
- the flat tube (5) is constructed by bending the strip material in the width direction.
- a large number of the flat tubes (5) are arranged in parallel to form a heat exchanger core, and these components are brazed and fixed in an aluminum heat exchanger.
- the brazing material (2) is an A1-Si alloy, and the core material (1) has a Si of 0.4 to 1.2 weight. / 0 containing A 1—Si alloy, wherein the sacrificial anode material (3) is an A 1—Mg—Zn alloy containing 0.3 to 0.75% by weight of Mg force, and the brazing material ( This is a heat exchanger made of aluminum that is joined by brazing in a furnace through 2) and using brazing flux.
- the present invention described in claim 2 is based on claim 1,
- the brazing material (2) is an aluminum alloy containing 7.5 to 12% by weight of Si
- the core material (1) is made of A.A. A3003 (Cu 0.15 weight 0 /. , Mn l. 2 weight 0 i balance a 1, S i is from 0.4 to 1 to aluminum material hereinafter). 2 correspond to those weight 0/0 was added et al
- the sacrificial anode material (3) Is equivalent to A.A. A7072 (Zn l. 0% by weight, balance A1, the same applies hereinafter) plus 0.3 to 0.75% by weight of Mg It is a heat exchanger made by Mini-Yume.
- the aluminum heat exchanger of the present invention is configured as described above, and has the following effects.
- the aluminum heat exchanger of the present invention is joined by brazing in a furnace using a flux through a brazing material 2 coated on the outer surface side of the flat tube 5 .
- the core material 1 is an A1-Si alloy, and the sacrificial anode material 3 coated on the inner surface of the tube has an Mg content of 0.3 to 0.75% by weight. It is.
- the Mg and Si of the core material 1 combine to improve the base metal strength. . Since the repelling force and Mg are suppressed to 0.75% by weight or less, the brazing property by the brazing material 2 is sufficiently secured, and an aluminum-Yume heat exchanger with high airtightness and liquid tightness is provided. it can.
- FIG. 1 is an enlarged view of a flat tube of a heat exchanger made of Almuyme of the present invention, which is a main part before brazing.
- 'FIG. 2 is a plan view of a principal part showing an assembled state of the heat exchanger.
- FIG. 3 is a schematic cross-sectional view taken along the line III-III in FIG.
- FIG. 4 is a front view of a main part of the aluminum-Ume heat exchanger of the present invention.
- FIG. 5 is an explanatory diagram showing a state of flux application in a partition section 4 of the flat tube of the heat exchanger.
- FIG. 1 is an enlarged cross-sectional view of a main part of the heat exchanger of the present invention before brazing of a flat tube
- FIG. 2 is a plan view of the main part showing an assembled state of the heat exchanger
- FIG. 4 is a schematic cross-sectional view taken in the direction of the arrow III
- FIG. 1 is an enlarged cross-sectional view of a main part of the heat exchanger of the present invention before brazing of a flat tube
- FIG. 2 is a plan view of the main part showing an assembled state of the heat exchanger
- FIG. 4 is a schematic cross-sectional view taken in the direction of the arrow III
- This heat exchanger has a number of flat tubes 5 arranged in parallel at regular intervals as shown in FIG. 4 and corrugated fins 10 arranged between the flat tubes 5.
- the core is assembled by passing both ends through the tube through holes of the tube plate 6.
- the flat tube 5 is formed by bending a band-shaped material into a B-shaped cross section as shown in FIGS.
- the flat tube of the present invention includes a flat tube having no partition at the center.
- a brazing material 2 is coated on an outer surface side of a core material 1 and a sacrificial anode material 3 is coated on an inner surface side.
- a 3 0 to S i 0 0 3 aluminum material. 4 to 1.2 weight 0/0 consists added plate material
- the brazing material 2 is the S i 7.. 5 to 1 2 It is an aluminum alloy containing weight%.
- the sacrificial anode material 3 is an aluminum or pneumatic alloy corresponding to a material obtained by adding 0.3 to 0.75% by weight of Mg to A7702. Then, these plate members are pressure-welded and joined to form a three-layer braider sheet.
- such a strip is continuously bent by roll homing, and the center part in the width direction is turned up to form a partition 4, and both edges of the strip are turned back to the inner side.
- a folded edge 7 is formed there, and the whole is bent into a flat tube so that the brazing material 2 of the folded edge 7 comes into contact with the top of the partition 4.
- the flux 8 is attached to the top of the partition 4 in advance.
- An example of the attachment method As shown in Fig. 5, when the band-shaped material has a substantially gate-shaped cross section during the tube forming process, the flux 8 of the container 12 adheres to the top of the partition 4 at the center of the inner surface of the tube via the flatus application wheel 13. Let it. The flux application wheel 13 is driven to rotate, and transfers the flux 8 to the center of the partitioning section 4 with the flux 8 attached to the annular groove 14.
- the flux 8 is also supplied to the abutting surfaces of the folded edges 7 of the strip later, and adheres to the outer surface of the flat tube 5.
- the flux 8 may be a known chloride or a flux.
- An example is KF- A 1 F 3 (also can be used trade name Nocolok).
- An acrylic resin-based binder can be used as the adhesive, and machine oil or oil can be used as the diluent.
- the amount of Mg contained in the sacrificial anode material was changed to 0.2%, 0.3%, 0.6%, 0.75%, 0.8%, 1.0% as shown in Table 1.
- the other components contained in the sacrificial anode material are the same as A 7072, Zn is 1.0%, and the balance is A1.
- the core is a material equivalent to A3003 with 1.0% Si added. That is, Cu is 0.15%, Si force S 1%, Mn is 1.2%, and the rest is A1.
- the brazing material contains 10% Si and the balance is A1.
- the amount of M g contained in the sacrificial anode material is 0.3%, the strength is 140 kg ZMM 2 or more can be secured, the amount of Mg is is desired at 0.2% in 125 kg / mm 2 smaller than the intensity 1 40 kg / mm 2.
- the amount of 1 ⁇ ⁇ is 0.8% or 1.0%, the strength is sufficient but there is a problem in brazing properties. That is, the flux and Mg reacted to deteriorate the brazing properties. Therefore, the amount of Mg to be included in the sacrificial anode material as satisfying both strength and brazeability, an A 1-Mg- Zeta eta alloy 0.3-0-75 weight 0/0.
- the core material has Si of 0.4 to 1.2 weight. / 0 can be included. Even in that case, the same result as described above was obtained.
Landscapes
- 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)
- Geometry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/565,096 US20060219393A1 (en) | 2003-07-15 | 2004-07-02 | Aluminum heat exchanger |
EP04747261A EP1645830A1 (en) | 2003-07-15 | 2004-07-02 | Aluminum heat exchanger |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003274973A JP2005037062A (ja) | 2003-07-15 | 2003-07-15 | アルミニューム製熱交換器 |
JP2003-274973 | 2003-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005005907A1 true WO2005005907A1 (ja) | 2005-01-20 |
Family
ID=34056103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/009793 WO2005005907A1 (ja) | 2003-07-15 | 2004-07-02 | アルミニューム製熱交換器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060219393A1 (ja) |
EP (1) | EP1645830A1 (ja) |
JP (1) | JP2005037062A (ja) |
CN (1) | CN1823253A (ja) |
WO (1) | WO2005005907A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004333023A (ja) * | 2003-05-08 | 2004-11-25 | Toyo Radiator Co Ltd | アルミニューム製熱交換器用偏平チューブ |
JP2005043026A (ja) * | 2003-07-25 | 2005-02-17 | Toyo Radiator Co Ltd | 熱交換器用偏平チューブ |
KR100624372B1 (ko) * | 2004-07-27 | 2006-09-20 | 엘지전자 주식회사 | 열교환기용 냉각핀의 부식 방지방법 |
JP2006226613A (ja) * | 2005-02-17 | 2006-08-31 | Shinko Alcoa Yuso Kizai Kk | 熱交換器用偏平チューブ |
JP5033366B2 (ja) * | 2006-07-03 | 2012-09-26 | 株式会社ケーヒン・サーマル・テクノロジー | 扁平管の製造方法および扁平管半製品の製造装置 |
FR2923002B1 (fr) * | 2007-10-31 | 2015-12-11 | Valeo Systemes Thermiques | Tube pour echangeur thermique |
US20090288811A1 (en) * | 2008-05-20 | 2009-11-26 | Bolla James D | Aluminum plate-fin heat exchanger utilizing titanium separator plates |
FR2931713B1 (fr) * | 2008-06-02 | 2010-05-14 | Alcan Int Ltd | Bandes en alliage d'aluminium pour tubes d'echangeurs thermiques brases |
DE102008031614A1 (de) | 2008-07-07 | 2010-01-14 | Behr Gmbh & Co. Kg | Wärmeübertrager, insbesondere Wärmeübertrager eines Kraftfahrzeuges, und Verfahren zum Herstellen eines Kühlrohres eines Wärmeübertragers |
FR2936597A1 (fr) * | 2008-10-01 | 2010-04-02 | Valeo Systemes Thermiques | Echangeur de chaleur a epaisseur de composant reduit et son procede de fabrication |
JP5577616B2 (ja) * | 2009-04-06 | 2014-08-27 | 株式会社デンソー | 熱交換器用チューブ及び熱交換器 |
DE102009055608A1 (de) * | 2009-11-25 | 2011-05-26 | Behr Gmbh & Co. Kg | Gelöteter Aluminium-Wärmeübertrager |
DE102010031468A1 (de) * | 2010-07-16 | 2012-01-19 | Behr Gmbh & Co. Kg | Fluidkanal für einen Wärmetauscher |
CN102536426A (zh) * | 2012-03-06 | 2012-07-04 | 韦瑛 | 铝镁合金中冷器管 |
GB2509762B (en) * | 2013-01-14 | 2015-02-04 | Halla Visteon Climate Control | Tube for Heat Exchanger |
EP2821173B2 (de) * | 2013-07-05 | 2021-12-22 | Speira GmbH | Aluminiumverbundwerkstoff mit innenliegender Lotschicht |
CN106767091A (zh) * | 2016-12-27 | 2017-05-31 | 无锡逸龙铝热科技有限公司 | 一种多通道异形扁管及其生产方法 |
CN109855166B (zh) * | 2018-12-12 | 2022-02-22 | 北京金旗舰暖通科技有限公司 | 一种防腐散热器 |
WO2021261574A1 (ja) * | 2020-06-26 | 2021-12-30 | 株式会社ティラド | 熱交換器用偏平チューブ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1180870A (ja) * | 1997-09-08 | 1999-03-26 | Sumitomo Light Metal Ind Ltd | 強度および耐食性に優れた熱交換器用アルミニウム合金クラッド材 |
JPH1180871A (ja) * | 1997-09-08 | 1999-03-26 | Sumitomo Light Metal Ind Ltd | 耐食性に優れた熱交換器用アルミニウム合金クラッド材 |
JP2002071286A (ja) * | 2000-08-24 | 2002-03-08 | Toyo Radiator Co Ltd | 熱交換器用偏平チューブおよびその製造方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3739456A (en) * | 1971-04-30 | 1973-06-19 | Kaiser Aluminium Chem Corp | Method for forming a sacrificial anode |
US4238233A (en) * | 1979-04-19 | 1980-12-09 | Mitsubishi Aluminum Kabushiki Kaisha | Aluminum alloy for cladding excellent in sacrificial anode property and erosion-corrosion resistance |
US5302342A (en) * | 1989-11-17 | 1994-04-12 | Honda Giken Kogyo Kabushiki Kaisha | Aluminum alloy for heat exchangers |
US5618358A (en) * | 1995-03-01 | 1997-04-08 | Davisson; Thomas | Aluminum alloy composition and methods of manufacture |
JP3053352B2 (ja) * | 1995-04-14 | 2000-06-19 | 株式会社神戸製鋼所 | 破壊靭性、疲労特性および成形性の優れた熱処理型Al合金 |
US5857266A (en) * | 1995-11-30 | 1999-01-12 | Alliedsignal Inc. | Heat exchanger having aluminum alloy parts exhibiting high strength at elevated temperatures |
US6063510A (en) * | 1996-03-05 | 2000-05-16 | The Furukawa Electric Co., Ltd. | Aluminum alloy brazing sheet for use in vacuum brazing |
US6129143A (en) * | 1996-08-08 | 2000-10-10 | Denso Corporation | Brazing sheet having an excellent corrosion resistance for use in a heat exchanger, and a heat exchanger using the same |
JP3197251B2 (ja) * | 1998-09-22 | 2001-08-13 | カルソニックカンセイ株式会社 | 熱交換器用犠牲防食アルミニウム合金、および熱交換器用高耐食性アルミニウム合金複合材 |
-
2003
- 2003-07-15 JP JP2003274973A patent/JP2005037062A/ja active Pending
-
2004
- 2004-07-02 CN CNA2004800200483A patent/CN1823253A/zh active Pending
- 2004-07-02 US US10/565,096 patent/US20060219393A1/en not_active Abandoned
- 2004-07-02 WO PCT/JP2004/009793 patent/WO2005005907A1/ja active Application Filing
- 2004-07-02 EP EP04747261A patent/EP1645830A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1180870A (ja) * | 1997-09-08 | 1999-03-26 | Sumitomo Light Metal Ind Ltd | 強度および耐食性に優れた熱交換器用アルミニウム合金クラッド材 |
JPH1180871A (ja) * | 1997-09-08 | 1999-03-26 | Sumitomo Light Metal Ind Ltd | 耐食性に優れた熱交換器用アルミニウム合金クラッド材 |
JP2002071286A (ja) * | 2000-08-24 | 2002-03-08 | Toyo Radiator Co Ltd | 熱交換器用偏平チューブおよびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1823253A (zh) | 2006-08-23 |
US20060219393A1 (en) | 2006-10-05 |
EP1645830A1 (en) | 2006-04-12 |
JP2005037062A (ja) | 2005-02-10 |
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