EP1089047B1 - Tube pour échangeur de chaleur - Google Patents
Tube pour échangeur de chaleur Download PDFInfo
- Publication number
- EP1089047B1 EP1089047B1 EP00402627A EP00402627A EP1089047B1 EP 1089047 B1 EP1089047 B1 EP 1089047B1 EP 00402627 A EP00402627 A EP 00402627A EP 00402627 A EP00402627 A EP 00402627A EP 1089047 B1 EP1089047 B1 EP 1089047B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- tube
- opposite
- region
- walls
- 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.)
- Revoked
Links
Images
Classifications
-
- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/151—Making tubes with multiple passages
-
- 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
- B21C37/0803—Making tubes with welded or soldered seams the tubes having a special shape, e.g. polygonal tubes
-
- 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
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/155—Making tubes with non circular section
-
- 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
-
- 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
- Y10T29/49377—Tube with heat transfer means
- Y10T29/49378—Finned tube
- Y10T29/49384—Internally finned
-
- 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
- Y10T29/49391—Tube making or reforming
-
- 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
- Y10T29/49393—Heat exchanger or boiler making with metallurgical bonding
Definitions
- the present invention relates to a tube for an exchanger heat and a method of manufacturing such a tube, and more particularly a tube said to be bent of a type suitable for when brazing in the oven.
- U.S. Patent No. 1,937,343 discloses a motor vehicle radiator which has bent type tubes.
- the tubes of this prior art document have a seal in an end part of the tube section, this joint being formed by folding, each on itself, the two parts of edge of the very thin metal from which the tube is made, then joining folded parts, flat, against surfaces inside the tube wall.
- the transverse curvature of the joint gives a good blocking and helps weld the joint.
- An object of the present invention is therefore to provide improved structure and manufacturing process improved.
- said method further comprises the production of flow penetration between said region end of said inner wall and said wall exterior and between said end of said exterior wall and said transition region.
- said method further comprises a operation consisting in brazing together said walls indoor and outdoor.
- Said brazing operation advantageously comprises the NOCOLOK soldering (registered trademark).
- a tube for a heat exchanger having a cross section with two side walls opposite and two opposite ends, said ends opposite including curved parts, the outer surface said ends being substantially symmetrical in mirror, one of said ends having a double wall comprising an inner wall and an outer wall, a said side walls extending to form the wall outer and the other of said side walls extending to form the inner wall, on which each of said outer and inner walls at a respective end, the inner wall being, in a region covered by the end of the outer wall, offset inward to receive said end of the outer wall, and the end of the inner wall deviating from the wall exterior.
- said tube also comprises seals brazed extending between parts of said inner walls and outdoor.
- said opposite ends comprise each a substantially flat part which makes the section of said oblong tube.
- a radiator tube 1 is formed at from a single thin sheet of metal so as to have two long, generally flat opposite sides 2, 3 and two opposite end portions 4, 5.
- a first end portion 5 of the cross section of the tube is formed by folding set of extensions long side walls so that one of the walls long side panels, wall 2 extends to form a wall interior 7 in the end region 5 and the opposite wall 3 extends to form an outer wall 8 in the region end 5.
- the inner wall 7 curves around practically from the whole end region 5 before fold back on itself, again on practically the whole end region 5.
- the outer wall 8, likewise, extends practically around the entire end region 5 before fall back on itself to place itself between the two sections of the inner wall 7, so that there are four metal thicknesses in the end region 5.
- a radiator tube 10 is shaped generally oblong and has two opposite long walls substantially planes 11, 12 and two end portions 13, 14, these last comprising in this case flat parts 15, 16 which are connected by curves with opposite long walls 11, 12.
- the long walls 11 and 12 form the walls side of the tube also called "sides”.
- An end region 13 of the tube has a double wall, this comprising an outer wall 16 which is a extension of a first 11 of the long walls and a inner wall 17 which is an extension of the second long, opposite wall 12.
- the outer wall 16 is generally symmetrical mirroring the wall of the opposite end part 14.
- the second long wall 12 is connected by a transition region 30 to the inner wall 17, which closely follows the outline inside the outer wall 16.
- the wall interior 17 continues to an extreme region 31, where it curves inward away from the wall exterior 11, 16.
- the part 31 deviates from the initial part of the first long wall 11.
- the transition region 30 abruptly deviates from the line of the second long wall 12 to receive the part end of the outer wall 16 in order to comply with the general envelope of the tube.
- the outer surface 32 of the transition region 30 is slightly away from the surface interior 33 of the exterior wall 16 in the region immediately adjacent to the end of the outer wall 16 to provide space for the flow passage between the walls.
- the end region 31 of the interior wall has a outer surface 35 which is spaced from the inner surface of the second long wall 11, again in order to provide a path for flow penetration to ensure the brazing.
- Figure 4 shows a second embodiment of the invention which has no planar part in the end regions, and we see here that the end 131 of the interior wall 17 deviates from the outer wall 16 in a region where the latter still curves around towards the first long wall 11.
- the tube can be formed on a bending machine, with the end region 31, 131 formed at the first posts on the edge of the starting reel.
- the tube thus formed is particularly suitable for NOCOLOK brazing technique for alloy radiators. Other techniques are however possible.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Description
Claims (8)
- Procédé de formation d'un tube (10) pour un échangeur de chaleur, ledit tube ayant une section ayant deux extrémités opposées (13, 14) et deux côtés opposés (11,12), une (13) desdites extrémités ayant une double paroi, ledit procédé comprenant :la formation d'une paroi intérieure (17) de ladite double paroi, ladite paroi intérieure s'étendant dans une première direction jusqu'à une région d'extrémité (31) et dans une deuxième direction opposée à la première jusqu'à un (12) desdits côtés opposés, par l'intermédiaire d'une région de transition (30),la formation d'une paroi extérieure (16) de ladite double paroi, ladite paroi extérieure s'étendant de l'autre (11) desdits côtés opposés jusqu'à une extrémité,
- Procédé selon la revendication 1, comprenant en outre la production de pénétration de flux entre ladite région d'extrémité (31) de ladite paroi intérieure (17) et ladite paroi extérieure (16) et entre ladite extrémité de ladite paroi extérieure (16) et ladite région de transition (30).
- Procédé selon la revendication l'une des revendications 1 et 2, comprenant en outre une opération consistant à braser ensemble desdites parois intérieure (16) et extérieure (17).
- Procédé selon la revendication 3, dans lequel ladite opération de brasage comprend le brasage NOCOLOK (marque déposée).
- Tube pour un échangeur de chaleur, ayant une section transversale comprenant deux parois latérales opposées (11 et 12) et deux extrémités opposées (13 et 14), lesdites extrémités opposées comprenant des parties courbes, la surface extérieure desdites extrémités étant sensiblement symétrique en miroir, une (13) desdites extrémités ayant une double paroi comprenant une paroi intérieure (17) et une paroi extérieure (16), une (11) desdites parois latérales s'étendant pour former la paroi extérieure (16) et l'autre (12) desdites parois latérales s'étendant pour former la paroi intérieure (17), sur lequel chacune desdites parois extérieure (16) et intérieure (17) a une extrémité respective, la paroi intérieure (17) étant, dans une région (30) recouverte par l'extrémité de la paroi extérieure (17), déportée vers l'intérieur pour recevoir ladite extrémité de la paroi extérieure (16), et l'extrémité (31) de la paroi intérieure (17) s'écartant de la paroi extérieure.
- Tube selon la revendication 5 et comprenant en outre des joints brasés s'étendant entre des parties desdites parois intérieure et extérieure.
- Tube selon l'une des revendications 5 et 6, dans lequel lesdites extrémités opposées (13, 14) comprennent chacune une partie sensiblement plane qui rend la section dudit tube oblongue.
- Tube selon l'une des revendications 5 à 7, dans lequel lesdites parois latérales (11, 12) sont sensiblement parallèles.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US409019 | 1999-09-29 | ||
US09/409,019 US6192977B1 (en) | 1999-09-29 | 1999-09-29 | Tube for heat exchanger |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1089047A2 EP1089047A2 (fr) | 2001-04-04 |
EP1089047A3 EP1089047A3 (fr) | 2001-05-09 |
EP1089047B1 true EP1089047B1 (fr) | 2004-05-06 |
Family
ID=23618729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00402627A Revoked EP1089047B1 (fr) | 1999-09-29 | 2000-09-21 | Tube pour échangeur de chaleur |
Country Status (6)
Country | Link |
---|---|
US (1) | US6192977B1 (fr) |
EP (1) | EP1089047B1 (fr) |
JP (1) | JP2001137989A (fr) |
BR (1) | BR0004520A (fr) |
DE (1) | DE60010397T2 (fr) |
PL (1) | PL342867A1 (fr) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5250924B2 (ja) * | 2001-07-16 | 2013-07-31 | 株式会社デンソー | 排気熱交換器 |
DE10137334A1 (de) * | 2001-07-31 | 2003-02-27 | Modine Mfg Co | Flachrohr, Herstellungsverfahren, Wärmetauscher |
AU2002336319A1 (en) * | 2001-12-18 | 2003-06-30 | Daiwa Radiator Kogyo Co, Ltd | Tube and method for manufacturing tube, tube for heat exchanger and method for manufacturing tube for heat exchanger, and heat exchanger and mehod for manufacturing heat exchanger |
US7117936B2 (en) * | 2002-07-09 | 2006-10-10 | Valeo Thermal Systems Japan Corporation | Tube for heat exchanger |
EP1774241A2 (fr) * | 2004-07-28 | 2007-04-18 | Valeo Inc. | Ensembles d'echangeurs thermiques d'automobile a ailettes interieures et leurs procedes de production |
JP2006118830A (ja) * | 2004-10-25 | 2006-05-11 | Denso Corp | 熱交換器および熱交換器の製造方法 |
SE528278C2 (sv) * | 2005-02-17 | 2006-10-10 | Scania Cv Ab | Laddluftkylare |
US7195060B2 (en) * | 2005-04-01 | 2007-03-27 | Dana Canada Corporation | Stacked-tube heat exchanger |
US7686070B2 (en) * | 2005-04-29 | 2010-03-30 | Dana Canada Corporation | Heat exchangers with turbulizers having convolutions of varied height |
CA2506009C (fr) * | 2005-04-29 | 2012-07-10 | Dana Canada Corporation | Echangeurs thermiques avec producteurs de turbulences presentant des convolutions de diverses hauteurs |
US8683690B2 (en) * | 2006-01-19 | 2014-04-01 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
US8438728B2 (en) * | 2006-01-19 | 2013-05-14 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
US20090019696A1 (en) * | 2006-01-19 | 2009-01-22 | Werner Zobel | Flat tube, flat tube heat exchanger, and method of manufacturing same |
US7921559B2 (en) * | 2006-01-19 | 2011-04-12 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
EP1994352A4 (fr) * | 2006-01-19 | 2010-06-02 | Modine Mfg Co | Tube plat, échangeur thermique à tube plat et procédé pour le produire |
US8091621B2 (en) * | 2006-01-19 | 2012-01-10 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
US8191258B2 (en) * | 2006-01-19 | 2012-06-05 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
US8281489B2 (en) * | 2006-01-19 | 2012-10-09 | Modine Manufacturing Company | Flat tube, flat tube heat exchanger, and method of manufacturing same |
US20090014165A1 (en) * | 2006-01-19 | 2009-01-15 | Werner Zobel | Flat tube, flat tube heat exchanger, and method of manufacturing same |
US8434227B2 (en) | 2006-01-19 | 2013-05-07 | Modine Manufacturing Company | Method of forming heat exchanger tubes |
DE102006052581B4 (de) * | 2006-11-08 | 2024-06-13 | Innerio Heat Exchanger GmbH | Flaches Wärmetauscherrohr und Herstellungsverfahren |
EP2047199A2 (fr) * | 2006-07-20 | 2009-04-15 | Modine Manufacturing Company | Tube plat, échangeur de chaleur à tubes plats et procédé de production de ce dernier |
US20080078536A1 (en) * | 2006-09-29 | 2008-04-03 | International Truck Intellectual Property Company, Llc | Corrosion resistant bi-metal charge air cooler |
DE102007004993A1 (de) * | 2007-02-01 | 2008-08-07 | Modine Manufacturing Co., Racine | Herstellungsverfahren für Flachrohre und Walzenstraße |
US8353335B2 (en) * | 2007-02-10 | 2013-01-15 | Modine Manufacturing Company | Heat exchanger tube and method of forming the same |
DE102007006664A1 (de) * | 2007-02-10 | 2008-08-14 | Modine Manufacturing Co., Racine | Flachrohr für Wärmetauscher |
US8925625B2 (en) * | 2007-07-11 | 2015-01-06 | Denso Corporation | Heat exchanger |
DE102010023384B4 (de) | 2010-06-10 | 2014-08-28 | Modine Manufacturing Co. | Herstellungsverfahren, insbesondere für Rohre und Abreißvorrichtung |
FR2962204B1 (fr) | 2010-06-30 | 2014-11-21 | Valeo Systemes Thermiques | Tube d'echangeur de chaleur, echangeur de chaleur comportant de tels tubes et procede d'obtention d'un tel tube. |
JP5527169B2 (ja) * | 2010-11-11 | 2014-06-18 | 株式会社デンソー | 熱交換器用チューブ |
FR2973490B1 (fr) | 2011-03-31 | 2018-05-18 | Valeo Systemes Thermiques | Tube pour echangeur thermique, echangeur thermique et procede d'obtention correspondants |
US10105746B1 (en) | 2015-09-14 | 2018-10-23 | Shoals Tubular Products, Inc. | Tube end sealing method |
CN106180255B (zh) * | 2016-07-15 | 2018-09-14 | 上海爱斯达克汽车空调系统有限公司 | 一种用于车辆热交换器的扁管的制造方法 |
EP3521745B1 (fr) | 2018-02-06 | 2022-10-05 | Valeo Autosystemy SP. Z.O.O. | Ensemble ailette et tube plat d'un échangeur de chaleur |
EP3521746B1 (fr) | 2018-02-06 | 2023-04-19 | Valeo Autosystemy SP. Z.O.O. | Tube plat pour échangeur de chaleur |
EP3587977A1 (fr) * | 2018-06-26 | 2020-01-01 | Valeo Vyminiky Tepla, s.r.o. | Tube d'un échangeur de chaleur et échangeur de chaleur comprenant un tel tube |
Family Cites Families (21)
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US824492A (en) * | 1905-11-25 | 1906-06-26 | D Mcra Livingston | Cooler. |
US1937343A (en) | 1932-12-07 | 1933-11-28 | H & H Tube & Mfg Co | Radiator |
US2912749A (en) * | 1956-01-13 | 1959-11-17 | Modine Mfg Co | Method of making a heat exchanger |
US3053511A (en) * | 1957-11-15 | 1962-09-11 | Gen Motors Corp | Clad alloy metal for corrosion resistance and heat exchanger made therefrom |
DE3216140C1 (de) * | 1982-04-30 | 1988-06-16 | Kühlerfabrik Längerer & Reich GmbH & Co KG, 7024 Filderstadt | Wärmeaustauscherrohr |
US4470452A (en) * | 1982-05-19 | 1984-09-11 | Ford Motor Company | Turbulator radiator tube and radiator construction derived therefrom |
JPS59129392A (ja) * | 1983-01-10 | 1984-07-25 | Nippon Denso Co Ltd | 熱交換器 |
FR2547649A1 (fr) * | 1983-06-14 | 1984-12-21 | Mtu Muenchen Gmbh | Procede de fabrication de petits tubes profiles pour des echangeurs de chaleur a petits tubes et petits tubes ainsi realises |
JPS63154977U (fr) * | 1987-03-30 | 1988-10-12 | ||
DE3725602A1 (de) * | 1987-08-01 | 1989-02-09 | Sueddeutsche Kuehler Behr | Flachrohr fuer einen waermetauscher |
US5185925A (en) * | 1992-01-29 | 1993-02-16 | General Motors Corporation | Method of manufacturing a tube for a heat exchanger |
JP3286699B2 (ja) * | 1993-03-09 | 2002-05-27 | 東洋ラジエーター株式会社 | アルミニューム製積層型熱交換器 |
US5439050A (en) * | 1993-07-09 | 1995-08-08 | Carrier Corporation | Multi-poised condensing furnace |
US5441105A (en) * | 1993-11-18 | 1995-08-15 | Wynn's Climate Systems, Inc. | Folded parallel flow condenser tube |
DE19510283A1 (de) * | 1995-03-22 | 1996-09-26 | Behr Gmbh & Co | Flachrohr für einen verlöteten Wärmetauscher und Verfahren zu seiner Herstellung |
US5692300A (en) * | 1995-04-17 | 1997-12-02 | S. A. Day Manufacturing Co., Inc. | Method for forming aluminum tubes and brazing a lockseam formed therein |
JP3089542B2 (ja) * | 1996-12-16 | 2000-09-18 | 昭和アルミニウム株式会社 | 偏平状熱交換管の製造方法 |
US5956846A (en) * | 1997-03-21 | 1999-09-28 | Livernois Research & Development Co. | Method and apparatus for controlled atmosphere brazing of unwelded tubes |
JPH11183073A (ja) * | 1997-12-18 | 1999-07-06 | Calsonic Corp | 熱交換器 |
US5980744A (en) * | 1998-03-11 | 1999-11-09 | The New Can Co., Inc | Beaded center tube |
DE19819248C1 (de) * | 1998-04-29 | 1999-04-29 | Valeo Klimatech Gmbh & Co Kg | Flachrohr eines Heizungswärmetauschers oder Kühlers eines Kraftfahrzeugs |
-
1999
- 1999-09-29 US US09/409,019 patent/US6192977B1/en not_active Expired - Lifetime
-
2000
- 2000-09-21 EP EP00402627A patent/EP1089047B1/fr not_active Revoked
- 2000-09-21 DE DE60010397T patent/DE60010397T2/de not_active Expired - Lifetime
- 2000-09-27 JP JP2000294229A patent/JP2001137989A/ja active Pending
- 2000-09-28 BR BR0004520-9A patent/BR0004520A/pt not_active IP Right Cessation
- 2000-09-29 PL PL00342867A patent/PL342867A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP1089047A2 (fr) | 2001-04-04 |
DE60010397D1 (de) | 2004-06-09 |
PL342867A1 (en) | 2001-04-09 |
BR0004520A (pt) | 2001-10-16 |
EP1089047A3 (fr) | 2001-05-09 |
US6192977B1 (en) | 2001-02-27 |
JP2001137989A (ja) | 2001-05-22 |
DE60010397T2 (de) | 2005-05-12 |
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