WO1992010329A1 - Verfahren zum herstellen eines wärmetauschers und vorrichtung zur durchführung des verfahrens - Google Patents
Verfahren zum herstellen eines wärmetauschers und vorrichtung zur durchführung des verfahrens Download PDFInfo
- Publication number
- WO1992010329A1 WO1992010329A1 PCT/DE1991/000937 DE9100937W WO9210329A1 WO 1992010329 A1 WO1992010329 A1 WO 1992010329A1 DE 9100937 W DE9100937 W DE 9100937W WO 9210329 A1 WO9210329 A1 WO 9210329A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tube
- ribs
- tubes
- exchanger
- rib
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/08—Removing material, e.g. by cutting, by hole drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/06—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using air or other gas as the cooling medium
-
- 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
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- 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
- F28F2275/06—Fastening; Joining by welding
- F28F2275/067—Fastening; Joining by welding by laser welding
-
- 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
-
- 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
- Y10T29/49826—Assembling or joining
- Y10T29/49893—Peripheral joining of opposed mirror image parts to form a hollow body
-
- 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
- Y10T29/49826—Assembling or joining
- Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]
Definitions
- a heat exchanger is known, with the help of which heat can be exchanged, for example, between gases and liquids or between gases and condensing vapors.
- Such a heat exchanger is mainly used to cool air or to condense vapors using air.
- ribs made of steel in particular in a galvanized version, are used in particular. Such ribs are punched out of plates or strips on appropriate machines and pushed lengthways onto the exchanger tubes.
- the subsequent galvanizing in the immersion bath not only serves to protect the exchanger tubes and the fins, but at the same time also produces the metallic connection of the exchanger tubes to the fins.
- each end of the exchanger tube is first flattened and welded tightly, so that only the outer surfaces are pickled and passivated and the inner surfaces are not galvanized. This also requires considerable effort. To When the exchanger tubes are galvanized, the flattened and welded ends must be removed. This is also associated with an additional workload and with material waste which cannot be used in principle.
- the spacers preferably have a trapezoidal configuration. They are evenly or unevenly distributed over the length and the height of the ribs. Other configurations are also conceivable, since they also create turbulence on the fin surface and thus contribute to improving the heat transfer.
- the invention provides at one end "of about horizontal axes endlessly circulating supporting belt, a rib feed before.
- the ribs are, for. Example, of a punch or by a Vibriertopf. They are intermittently stopped in the region of the feed onto the transport surface of the supporting belt and long ge then in the area of influence of the side driving belts, which not only serve to move the ribs forward, but also exactly determine the spacing of the ribs and their vertical position.
- the rib feed normally extends at a right angle to the running direction of the support belt.
- the fin feet and the half-tubes are connected from the inside thereof by means of a fusion welding beam. Since the fusion welding jet is forcibly guided back and forth at an angle to the running direction of the support band, this results in a quasi-zigzag-shaped weld seam course, viewed over the length of a calf tube, which ensures that each rib
- fusion jet welding is that when fins are applied to half-tubes, the fusion-welding beam can be applied from the inside of the half-tubes. From this site required for welding can be Schutzgasman ⁇ 'tel constructed much easier than if it had to be created on the other side in the rib feet.
- the ball pressing strips are provided on both sides of the running plane of the fusion welding beam. This means that with the help of the ball pressing bars, each half pipe is pressed directly in the area of the fusion welding jet with the required pressure against the ribs placed on the support band.
- Figure 2 shows a longitudinal section through the illustration of Figure 1;
- FIG. 8 in perspective in the diagram a section of an exchanger tube with fins attached on both sides;
- FIG. 11 shows an air-cooled surface condenser in two different embodiments in the front view. 1 to 3, 1 denotes a device for producing finned half-tubes 10.
- the device 1 comprises a support belt 3 that runs endlessly around horizontal axes 2 with a horizontal transport surface 4, on both sides of the support belt 3 synchronously to this drive belts 6 for ribs 7 (only one drive belt 6 is shown), one at one end of the support band 3 arranged feed 8 for the ribs 7, a slide-in unit 9 for non-ribbed half-tubes 10 extending behind the feed line 8 in the running direction LR of the support band 3 and a laser welding device 11 located at the other end of the support band 3 Feeder 8 extending at right angles to the running direction LR of the support band 3 is arranged parallel to the horizontal axes 2 of the support band 3.
- FIG. 11 Based on the representation of FIGS. 1 and 7, an air-cooled surface condenser 35 is illustrated in FIG. 11, which has heat exchangers 34 arranged in a roof shape with respect to one another.
- An embodiment is shown to the right of the vertical central longitudinal plane MLE, in which the ribs 7 are arranged exactly at right angles to the longitudinal direction of the exchanger tubes.
- a heat exchanger 34 is shown to the left of the vertical central longitudinal plane MLE, in which the ribs are arranged at an angle deviating from 90 ° to the longitudinal direction of the exchanger tubes.
- the secondary losses on the coolant side can be markedly minimized. This is also visually illustrated by the current threads 36 of the cooling air.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Geometry (AREA)
- Plasma & Fusion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Laser Beam Processing (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR919106218A BR9106218A (pt) | 1990-12-08 | 1991-11-30 | Processo para a fabricacao de um trocador de calor e dispositivo para a execucao do processo |
EP91920620A EP0514510B1 (de) | 1990-12-08 | 1991-11-30 | Verfahren zum herstellen eines wärmetauschers und vorrichtung zur durchführung des verfahrens |
JP3518654A JPH0794076B2 (ja) | 1990-12-08 | 1991-11-30 | 熱交換器を製造する方法及びこの方法を実施する装置 |
SU915053067A RU2065351C1 (ru) | 1990-12-08 | 1991-11-30 | Способ изготовления теплообменника и устройство для его осуществления |
CS922594A CZ278740B6 (en) | 1990-12-08 | 1991-11-30 | Process for producing heat exchanger and apparatus for making the same |
US07/910,289 US5448830A (en) | 1990-12-08 | 1991-11-30 | Process for the production of a heat exchanger and apparatus for carrying out the method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4039292A DE4039292A1 (de) | 1990-12-08 | 1990-12-08 | Verfahren zum herstellen eines waermetauschers und vorrichtung zur durchfuehrung des verfahrens |
DEP4039292.9 | 1990-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1992010329A1 true WO1992010329A1 (de) | 1992-06-25 |
Family
ID=6419936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1991/000937 WO1992010329A1 (de) | 1990-12-08 | 1991-11-30 | Verfahren zum herstellen eines wärmetauschers und vorrichtung zur durchführung des verfahrens |
Country Status (13)
Country | Link |
---|---|
US (1) | US5448830A (de) |
EP (1) | EP0514510B1 (de) |
JP (1) | JPH0794076B2 (de) |
CN (1) | CN1023086C (de) |
AT (1) | ATE108356T1 (de) |
BR (1) | BR9106218A (de) |
CA (1) | CA2075629C (de) |
CZ (1) | CZ278740B6 (de) |
DE (1) | DE4039292A1 (de) |
ES (1) | ES2056666T3 (de) |
RU (1) | RU2065351C1 (de) |
WO (1) | WO1992010329A1 (de) |
ZA (1) | ZA919654B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995020455A1 (de) * | 1994-01-26 | 1995-08-03 | Gea Aktiengesellschaft | Verfahren zum löten von rippen mit einer rohrschale und anordnung zur durchführung des verfahrens |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK0621104T3 (da) * | 1993-04-23 | 1996-02-19 | Balcke Duerr Ag | Fremgangsmåde og indretning til fremstilling af varmevekslerelementer såvel som tilhørende ribberør |
DE4325129C2 (de) * | 1993-07-27 | 1997-11-27 | Thomas Dipl Ing Koebel | Verfahren zur Wärme übertragenden Befestigung von Einzelrippen auf Rohre |
DE4430416A1 (de) * | 1994-07-21 | 1996-02-01 | Gea Ag | Verfahren zum Verbinden von Rippen mit einer Rohrschale und Anordnung zur Durchführung des Verfahrens |
DE4431413C2 (de) * | 1994-08-24 | 2002-10-10 | Rehberg Michael | Plattenwärmetauscher für flüssige und gasförmige Medien |
US6178634B1 (en) * | 1999-04-06 | 2001-01-30 | Hsu Cheng-Shen | Miniature recycle-type heat exchange production method |
DE19937800B4 (de) | 1999-08-10 | 2005-06-16 | Gea Energietechnik Gmbh | Anlage zur Kondensation von Dampf |
US20040003694A1 (en) * | 2002-04-30 | 2004-01-08 | Cesaroni Anthony Joseph | Device and method for trimming and securing flexible tubes within a structure and articles made therefrom |
DE102007044658B3 (de) * | 2007-09-18 | 2008-12-04 | Gea Energietechnik Gmbh | Luftbeaufschlagter Trockenkühler |
CN101264555B (zh) * | 2008-05-06 | 2010-12-08 | 中国科学院上海光学精密机械研究所 | 数控暖气片激光叠焊机 |
US9541331B2 (en) | 2009-07-16 | 2017-01-10 | Lockheed Martin Corporation | Helical tube bundle arrangements for heat exchangers |
JP2012533723A (ja) * | 2009-07-17 | 2012-12-27 | ロッキード マーティン コーポレーション | 熱交換器及びその製造方法 |
US9777971B2 (en) | 2009-10-06 | 2017-10-03 | Lockheed Martin Corporation | Modular heat exchanger |
US9670911B2 (en) | 2010-10-01 | 2017-06-06 | Lockheed Martin Corporation | Manifolding arrangement for a modular heat-exchange apparatus |
US9388798B2 (en) | 2010-10-01 | 2016-07-12 | Lockheed Martin Corporation | Modular heat-exchange apparatus |
CN102179761B (zh) * | 2011-03-15 | 2014-04-30 | 郭祥飞 | 一种自动水晶柱水磨抛光机 |
CN103273289B (zh) * | 2013-05-31 | 2016-03-30 | 宁波先锋电器制造有限公司 | 一种油汀片的加工工艺及模具 |
US9620764B2 (en) | 2015-01-05 | 2017-04-11 | Johnson Controls Technology Company | Battery module cooling fins and footings system and method |
RU2593883C1 (ru) * | 2015-04-08 | 2016-08-10 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Способ лазерной сварки соединения труба - трубная доска |
US10751844B2 (en) * | 2015-08-11 | 2020-08-25 | Linde Aktiengesellschaft | Method for connecting tubes of a shell and tube heat exchanger to a tube bottom of the shell and tube heat exchanger |
RU187794U1 (ru) * | 2018-11-26 | 2019-03-19 | Публичное акционерное общество "Татнефть" им. В.Д. Шашина | Устройство для изготовления оребрённых труб |
CN111644799A (zh) * | 2019-12-23 | 2020-09-11 | 武汉海腾钢结构工程有限公司 | 一种桥梁护栏立柱的组装工装及护栏立柱的加工方法 |
CN111250615B (zh) * | 2020-01-22 | 2021-06-11 | 浙江舜特机械设备有限公司 | 一种用于换热器加工的生产系统 |
CN112361666A (zh) * | 2020-11-18 | 2021-02-12 | 浙江康盛科工贸有限公司 | 错位斜排内胀式翅片蒸发器及其成型方法 |
CN112496612A (zh) * | 2020-12-09 | 2021-03-16 | 申达电气集团浙江换热器有限公司 | 散热片组焊接机 |
CN113798853B (zh) * | 2021-09-13 | 2022-09-13 | 江苏力腾机械有限公司 | 一种机械设备用的五金底座拼焊镀锌一体机 |
CN114905230B (zh) * | 2022-04-28 | 2024-08-06 | 沈阳东方钛业股份有限公司 | 一种内翅管及其加工方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2703226A (en) * | 1946-04-24 | 1955-03-01 | Modine Mfg Co | Radiator fin structure |
GB1228896A (de) * | 1968-09-24 | 1971-04-21 | ||
FR2566306A1 (fr) * | 1984-06-26 | 1985-12-27 | Brun Michel | Procede de realisation d'echangeurs de chaleur par soudage laser |
DE3622266A1 (de) * | 1985-07-30 | 1987-02-12 | Vaillant Joh Gmbh & Co | Verfahren zur herstellung eines waermetauschers aus aluminium und anwendung des waermetauschers als gusskesselglied |
Family Cites Families (12)
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US2291985A (en) * | 1940-05-07 | 1942-08-04 | Donald H Powers | Finned tube and method of producing the same |
US2716276A (en) * | 1947-02-10 | 1955-08-30 | Brown Fintube Co | Method of bonding fins to tubes |
US2731245A (en) * | 1951-09-14 | 1956-01-17 | Kaiser Aluminium Chem Corp | Finned conduit and method of attaching fins to conduit |
US3002729A (en) * | 1955-06-20 | 1961-10-03 | Brown Fintube Co | Tube with external fins |
GB902011A (en) * | 1958-03-06 | 1962-07-25 | Green & Son Ltd | Improvements in or relating to tubular heat exchangers |
US3007237A (en) * | 1958-04-22 | 1961-11-07 | Henry S Woodruff | Finned tube and method of making the same |
US3521707A (en) * | 1967-09-13 | 1970-07-28 | Ass Eng Ltd | Heat exchangers |
US3578165A (en) * | 1969-03-03 | 1971-05-11 | Escoa Fintube Corp | Method and apparatus for manufacturing radially finned heat exchange tubing |
US4171015A (en) * | 1977-03-28 | 1979-10-16 | Caterpillar Tractor Co. | Heat exchanger tube and method of making same |
DE3419734A1 (de) * | 1984-05-26 | 1985-11-28 | GEA Luftkühlergesellschaft Happel GmbH & Co, 4630 Bochum | Luftgekuehlter oberflaechenkondensator |
DE3636198A1 (de) * | 1986-10-24 | 1988-04-28 | Schwerionenforsch Gmbh | Verfahren zum befestigen von senkrecht stehenden aussenrippen auf rohren |
DE3733155A1 (de) * | 1987-10-01 | 1989-04-13 | Man Technologie Gmbh | Verfahren zur herstellung eines mit rippen versehenen waermetauscherrohres |
-
1990
- 1990-12-08 DE DE4039292A patent/DE4039292A1/de active Granted
-
1991
- 1991-11-30 AT AT91920620T patent/ATE108356T1/de not_active IP Right Cessation
- 1991-11-30 US US07/910,289 patent/US5448830A/en not_active Expired - Fee Related
- 1991-11-30 CZ CS922594A patent/CZ278740B6/cs unknown
- 1991-11-30 CA CA002075629A patent/CA2075629C/en not_active Expired - Fee Related
- 1991-11-30 JP JP3518654A patent/JPH0794076B2/ja not_active Expired - Lifetime
- 1991-11-30 EP EP91920620A patent/EP0514510B1/de not_active Expired - Lifetime
- 1991-11-30 ES ES91920620T patent/ES2056666T3/es not_active Expired - Lifetime
- 1991-11-30 WO PCT/DE1991/000937 patent/WO1992010329A1/de active IP Right Grant
- 1991-11-30 RU SU915053067A patent/RU2065351C1/ru active
- 1991-11-30 BR BR919106218A patent/BR9106218A/pt not_active Application Discontinuation
- 1991-12-06 ZA ZA919654A patent/ZA919654B/xx unknown
- 1991-12-07 CN CN91111463A patent/CN1023086C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2703226A (en) * | 1946-04-24 | 1955-03-01 | Modine Mfg Co | Radiator fin structure |
GB1228896A (de) * | 1968-09-24 | 1971-04-21 | ||
FR2566306A1 (fr) * | 1984-06-26 | 1985-12-27 | Brun Michel | Procede de realisation d'echangeurs de chaleur par soudage laser |
DE3622266A1 (de) * | 1985-07-30 | 1987-02-12 | Vaillant Joh Gmbh & Co | Verfahren zur herstellung eines waermetauschers aus aluminium und anwendung des waermetauschers als gusskesselglied |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995020455A1 (de) * | 1994-01-26 | 1995-08-03 | Gea Aktiengesellschaft | Verfahren zum löten von rippen mit einer rohrschale und anordnung zur durchführung des verfahrens |
AU675030B2 (en) * | 1994-01-26 | 1997-01-16 | Gea Aktiengesellschaft | Method of soldering ribs to a half-section pipe and a device for carrying out said method |
Also Published As
Publication number | Publication date |
---|---|
US5448830A (en) | 1995-09-12 |
JPH0794076B2 (ja) | 1995-10-11 |
BR9106218A (pt) | 1993-03-30 |
ATE108356T1 (de) | 1994-07-15 |
ZA919654B (en) | 1992-10-28 |
DE4039292A1 (de) | 1992-06-11 |
CZ259492A3 (en) | 1993-02-17 |
EP0514510A1 (de) | 1992-11-25 |
CN1023086C (zh) | 1993-12-15 |
EP0514510B1 (de) | 1994-07-13 |
DE4039292C2 (de) | 1993-07-01 |
ES2056666T3 (es) | 1994-10-01 |
CZ278740B6 (en) | 1994-05-18 |
CA2075629A1 (en) | 1992-06-09 |
CN1062110A (zh) | 1992-06-24 |
JPH04506034A (ja) | 1992-10-22 |
RU2065351C1 (ru) | 1996-08-20 |
CA2075629C (en) | 1997-10-21 |
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