EP3040669B1 - Turbulator fin for a tube-fin assembly adapted for a heat exchanger and a fin forming roll adapted to form said turbulator fin - Google Patents
Turbulator fin for a tube-fin assembly adapted for a heat exchanger and a fin forming roll adapted to form said turbulator fin Download PDFInfo
- Publication number
- EP3040669B1 EP3040669B1 EP15202900.5A EP15202900A EP3040669B1 EP 3040669 B1 EP3040669 B1 EP 3040669B1 EP 15202900 A EP15202900 A EP 15202900A EP 3040669 B1 EP3040669 B1 EP 3040669B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fin
- turbulator
- fold
- tube
- assembly
- 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
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- 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
-
- 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
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- 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
- F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
-
- 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
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
-
- 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
- F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
Definitions
- the present disclosure relates to a turbulator fin for a tube-fin assembly adapted to be used in a heat exchanger according to the peramble of independent claim 1. More particularly, the present disclosure relates to a turbulator fin and tube-fin assembly for a Charge Air Cooler (CAC) for use in the automotive industry.
- CAC Charge Air Cooler
- the disclosure also relates to a fin forming roll for forming a turbulator fin for the tube-fin assembly according to the preamble of independent claim 6.
- the air used for the engine combustion is compressed in order to increase its density.
- the thermodynamic effect of this compression is an increase in the temperature of the compressed air. If the compressed air is not cooled to a sufficient level, the engine combustion may not be efficient, or the combustion engine may not operate at all.
- CAC Charge Air Cooler
- Charge Air Coolers which comprise heat exchangers comprising tubes for guiding air through the heat exchangers, wherein the tubes are internally provided with turbulator fins.
- DE 10 2006 050319 A1 discloses a turbulator fin for a tube-fin assembly according to the preamble of claim 1.
- a turbulator fin normally comprises a folded metal sheet and serves for improving the heat exchange inside the heat exchanger. Each of the folds is provided with louvers to avoid laminar flow along the surface of the turbulator fin.
- the tubes of a Charge Air Cooler have a rectangular cross section.
- the turbulator fin has dimensions that fill the inside of the tube as much as possible.
- Tubes for Charge Air Coolers are produced by means of electric welding or folding.
- the result of such production processes is that the resulting tube height in the corners of the tube is reduced when compared to the remaining part of the tubes.
- the present disclosure is directed to a turbulator fin for a tube-fin assembly adapted for a heat exchanger, according to claim 1.
- the fold height of the end fold on both transverse sides of the sheet is reduced with respect to the fixed fold height.
- the fold height of the folds towards at least one transverse side of the sheet decreases.
- the disclosure relates to an assembly of a tube for a heat exchanger and a turbulator fin, wherein the assembly comprises a turbulator fin according to the present disclosure.
- the disclosure relates to a heat exchanger comprising the assembly according to the disclosure.
- the disclosure relates to a fin forming roll for forming a turbulator fin for a tube-fin assembly according to the present disclosure, wherein the roll comprises a plurality of folding dents, the folding dents essentially being triangular shaped, the fin forming roll being adapted to cooperate with a second fin forming roll to form a fin forming mill, characterized in that, the fin forming roll comprises at least a first and an adjacent second folding dent having a truncated top end.
- CAC Charge Air Cooler
- intercooler refers to the fact that heat exchange is performed in between two stages of compression, i.e. between compression in the compressor and compression in the cylinder of the engine.
- aftercooler refers to the charge air being cooled after being compressed in the compressor.
- FIG 1 shows a front end of turbulator fin 10 according to the present disclosure.
- the turbulator fin 10 comprises a plurality of folds wherein each fold is delimited by upper fold lines 11 and lower fold lines 12.
- a first fold has, together with an adjacent fold, essentially the form of a V or inversed V.
- the turbulator fin 10 From one transverse side of the turbulator fin (the left in Figure 1 ) to a second transverse side of the turbulator fin (the right in Figure 1 ), the turbulator fin 10 has a turbulator tube height (Th) which is chosen to coincide with the interior of a cooling tube as shown with reference to Figures 2 and 3 .
- Th turbulator tube height
- Each fold has a fold height which is fixed for all folds of the turbulator fin 10 in order to provide the turbulator fin with the required turbulator tube height (Th).
- the folds forming the transverse side of the turbulator fin 10 comprise a different fold height (hr). As shown in Figure 1 , folds 23 and 24 forming the transverse side of the sheet at the left hand side of Figure 1 have a different fold height than the remaining folds 21, 22 over the width of the fin adjacent folds which together essentially have the form of a V or an inversed V.
- Figure 2 shows an assembly of a tube 30 having in its interior the turbulator fin 10 according to Figure 1 .
- the corners 32 and 33 of the tube 30 provide the interior at the transverse side of the tube 30 seen at the left hand side of Figure 2 with reduced inside height.
- the turbulator fin 10 can efficiently fill up the interior space of the tube 30 due to the reduced fold height (hr) of the folds 23, 24.
- the tube 30 according to Figure 2 is, for instance, a tube 30 obtained by means of electric welding.
- a cooling tube 40 is shown having in its interior the turbulator fin 10 according to Figure 1 .
- the cooling tube 40 is obtained by means of folding, wherein the transverse side of the tube shows a first folding lip 41 and a second folding lip 42 which together form the outside wall of the tube 40.
- the inside of the cooling tube 40 has a reduced height.
- the turbulator fin 10 is capable of efficiently filling up the interior space of the cooling tube 40 because of the reduced height (hr) of folds 23 and 24.
- FIG 4 a step in the production of a first and a second turbulator fin 10 according to the present disclosure is shown.
- the turbulator fin 10 shown on the right hand side of Figure 4 is connected to the turbulator fin 10 shown on the left hand side and can be separated by cutting the two elements apart according to the cutting line 50.
- Both turbulator fins 10 as shown in Figure 4 are obtained by folding a thin metal sheet by means of a folding mill with a first and a second cooperating forming roll.
- An example of a roll to be used to obtain the turbulator fin 10 according to the present disclosure is shown in Figure 5 .
- Figure 5 shows a first roll 60 and a second roll 70 of a pair of rolls which are together capable of forming a turbulator fin 10.
- the roll 60 is provided at its circumference with a plurality of forming dents 61.
- the forming dents are triangular shaped.
- at least two adjacent dents 62, 63 have a truncated top.
- the area between the dents 62, 63 may be filled up with element 64 to allow obtaining a folded sheet as shown in Figure 4 .
- the second roll 70 has a corresponding shape with folding dents 71 and one truncated folding dent 72.
- the roll 60 may be provided with a cutting element 65 to provide the cutting according to the cutting line 50 as mentioned with reference to Figure 4 .
- the cutting according to the cutting line 50 may be executed in a further production process after completion of the forming of the metal sheet by means of rolls 60 and 70.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
- The present disclosure relates to a turbulator fin for a tube-fin assembly adapted to be used in a heat exchanger according to the peramble of
independent claim 1. More particularly, the present disclosure relates to a turbulator fin and tube-fin assembly for a Charge Air Cooler (CAC) for use in the automotive industry. - The disclosure also relates to a fin forming roll for forming a turbulator fin for the tube-fin assembly according to the preamble of independent claim 6.
- In turbocharged engine applications, the air used for the engine combustion is compressed in order to increase its density. The thermodynamic effect of this compression is an increase in the temperature of the compressed air. If the compressed air is not cooled to a sufficient level, the engine combustion may not be efficient, or the combustion engine may not operate at all.
- Therefore, prior to entering the combustion chamber, the compressed air is cooled by means of a Charge Air Cooler (CAC).
- In the prior art Charge Air Coolers are disclosed which comprise heat exchangers comprising tubes for guiding air through the heat exchangers, wherein the tubes are internally provided with turbulator fins. For example,
DE 10 2006 050319 A1 discloses a turbulator fin for a tube-fin assembly according to the preamble ofclaim 1. A turbulator fin normally comprises a folded metal sheet and serves for improving the heat exchange inside the heat exchanger. Each of the folds is provided with louvers to avoid laminar flow along the surface of the turbulator fin. - The tubes of a Charge Air Cooler have a rectangular cross section. The turbulator fin has dimensions that fill the inside of the tube as much as possible.
- Tubes for Charge Air Coolers are produced by means of electric welding or folding. The result of such production processes is that the resulting tube height in the corners of the tube is reduced when compared to the remaining part of the tubes.
- In practice, it is difficult to fill the interior of the tubes near the corners with the turbulator fins. The areas of the tube which are not properly filled by means of the turbulator fin will create air bypasses which reduce the heat exchange efficiency of known Charge Air Coolers.
- In view of the present emission standards which apply to the automotive industry, with even more stringent legislation underway, the current trend is to move towards combustion engines with higher inlet pressures and temperatures to improve fuel efficiency. In order to allow this, the compressed air needs to be cooled to even lower temperatures prior to entering the combustion chamber to ensure operation of the combustion engines.
- Therefore, there appears to be a need for efficient and effective heat exchangers which are adapted to be used as Charge Air Coolers and allow cost and space efficient heat exchange.
- In one aspect, the present disclosure is directed to a turbulator fin for a tube-fin assembly adapted for a heat exchanger, according to
claim 1. According to an embodiment of the invention, the fold height of the end fold on both transverse sides of the sheet is reduced with respect to the fixed fold height. According to an embodiment of the invention the fold height of the folds towards at least one transverse side of the sheet decreases. - In a further aspect, the disclosure relates to an assembly of a tube for a heat exchanger and a turbulator fin, wherein the assembly comprises a turbulator fin according to the present disclosure.
- In yet another aspect, the disclosure relates to a heat exchanger comprising the assembly according to the disclosure.
- In yet another aspect, the disclosure relates to a fin forming roll for forming a turbulator fin for a tube-fin assembly according to the present disclosure, wherein the roll comprises a plurality of folding dents, the folding dents essentially being triangular shaped, the fin forming roll being adapted to cooperate with a second fin forming roll to form a fin forming mill, characterized in that, the fin forming roll comprises at least a first and an adjacent second folding dent having a truncated top end.
-
-
Figure 1 shows a forward end of a turbulator fin according to the present disclosure. -
Figure 2 shows the assembly of a tube for a heat exchanger and the turbulator fin, according to the disclosure, inserted inside said tube. -
Figure 3 shows an alternative embodiment for a tube for a heat exchanger, with the turbulator fin according to the present disclosure inserted inside said tube. -
Figure 4 shows a folded sheet during the production of a turbulator fin according to the disclosure, and -
Figure 5 shows a cross-section of a fin forming roll adapted to produce the turbulator fin according to the present disclosure. - In the context of the present disclosure it should be noted that reference is made to a heat exchanger used as a Charge Air Cooler (CAC). The terms Charge Air Cooler, intercooler or aftercooler are commonly used interchangeably. The term intercooler refers to the fact that heat exchange is performed in between two stages of compression, i.e. between compression in the compressor and compression in the cylinder of the engine. The term aftercooler refers to the charge air being cooled after being compressed in the compressor.
-
Figure 1 shows a front end ofturbulator fin 10 according to the present disclosure. Theturbulator fin 10 comprises a plurality of folds wherein each fold is delimited byupper fold lines 11 andlower fold lines 12. A first fold has, together with an adjacent fold, essentially the form of a V or inversed V. From one transverse side of the turbulator fin (the left inFigure 1 ) to a second transverse side of the turbulator fin (the right inFigure 1 ), theturbulator fin 10 has a turbulator tube height (Th) which is chosen to coincide with the interior of a cooling tube as shown with reference toFigures 2 and 3 . - Each fold has a fold height which is fixed for all folds of the
turbulator fin 10 in order to provide the turbulator fin with the required turbulator tube height (Th). - According to the disclosure, the folds forming the transverse side of the
turbulator fin 10 comprise a different fold height (hr). As shown inFigure 1 ,folds Figure 1 have a different fold height than theremaining folds -
Figure 2 shows an assembly of atube 30 having in its interior theturbulator fin 10 according toFigure 1 . Thecorners tube 30 provide the interior at the transverse side of thetube 30 seen at the left hand side ofFigure 2 with reduced inside height. Despite the reduced inside height, theturbulator fin 10 can efficiently fill up the interior space of thetube 30 due to the reduced fold height (hr) of thefolds tube 30 according toFigure 2 is, for instance, atube 30 obtained by means of electric welding. - In
Figure 3 , acooling tube 40 is shown having in its interior theturbulator fin 10 according toFigure 1 . Thecooling tube 40 is obtained by means of folding, wherein the transverse side of the tube shows afirst folding lip 41 and asecond folding lip 42 which together form the outside wall of thetube 40. As a result of the folding process, the inside of thecooling tube 40 has a reduced height. Despite the presence of a reduced height, theturbulator fin 10 is capable of efficiently filling up the interior space of thecooling tube 40 because of the reduced height (hr) offolds - In
Figure 4 , a step in the production of a first and asecond turbulator fin 10 according to the present disclosure is shown. Theturbulator fin 10 shown on the right hand side ofFigure 4 is connected to theturbulator fin 10 shown on the left hand side and can be separated by cutting the two elements apart according to thecutting line 50. Bothturbulator fins 10 as shown inFigure 4 are obtained by folding a thin metal sheet by means of a folding mill with a first and a second cooperating forming roll. An example of a roll to be used to obtain theturbulator fin 10 according to the present disclosure is shown inFigure 5 . -
Figure 5 shows afirst roll 60 and a second roll 70 of a pair of rolls which are together capable of forming aturbulator fin 10. Theroll 60 is provided at its circumference with a plurality of formingdents 61. The forming dents are triangular shaped. In order to obtain theturbulator fin 10 according to the invention, at least twoadjacent dents dents element 64 to allow obtaining a folded sheet as shown inFigure 4 . The second roll 70 has a corresponding shape with folding dents 71 and one truncated folding dent 72. - The
roll 60 may be provided with acutting element 65 to provide the cutting according to thecutting line 50 as mentioned with reference toFigure 4 . Alternatively, the cutting according to thecutting line 50 may be executed in a further production process after completion of the forming of the metal sheet by means ofrolls 60 and 70.
Claims (6)
- Turbulator fin (10) for a tube-fin assembly adapted for a heat exchanger, the turbulator fin (10) comprising a corrugated sheet with a plurality of adjacent folds (21, 22) between a first transverse side of the sheet and a second transverse side of the sheet, each fold having a fixed fold height delimited by adjacent fold lines (11, 12) and each fold having a fold length in longitudinal direction of the sheet, the end fold (23) forming the edge of the sheet of at least one transverse side of the sheet having a reduced fold height (hr) compared to the fixed fold height characterized in that the assembly of two adjacent folds (21, 22) essentially has the form of a V, wherein the assembly of the at least one end fold (23) with reduced fold height (hr) and its adjacent fold (24) essentially has the form of a truncated V.
- Turbulator fin (10) according to claim 1, wherein the fold height (hr) of the end fold (23) on both transverse sides of the sheet is reduced with respect to the fixed fold height (h),
- Turbulator fin (10), according to claim 1 or 2, wherein the fold height of the folds towards at least one transverse side of the sheet decreases.
- Assembly of a tube (30, 40) for a heat exchanger and a turbulator fin (10), wherein the assembly comprises a turbulator fin (10) according to any of the preceding claims.
- Heat exchanger comprising the assembly of claim 4.
- Fin forming roll (60) for forming a turbulator fin for a tube-fin assembly according to any of claims 1- 4, wherein the roll (60) comprises a plurality of folding dents (61); the folding dents (61) essentially being triangular shaped, the fin forming roll (60) being adapted to cooperate with a second fin forming roll (70) to form a fin forming mill, characterized in that the fin forming roll (60) comprises at least a first (62) and an adjacent second folding dent (63) having a truncated top end.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL410816A PL228722B1 (en) | 2014-12-30 | 2014-12-30 | Turbulence stimulating fin for a finned tube unit fitted for a heat exchanger, and the fin-shaping roller adapted for shaping the mentioned turbulence stimulating fin, the unit composed of the tube for the heat exchanger and the turbulence stimulating fin, and the heat exchanger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3040669A1 EP3040669A1 (en) | 2016-07-06 |
EP3040669B1 true EP3040669B1 (en) | 2017-08-16 |
Family
ID=55066431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15202900.5A Revoked EP3040669B1 (en) | 2014-12-30 | 2015-12-29 | Turbulator fin for a tube-fin assembly adapted for a heat exchanger and a fin forming roll adapted to form said turbulator fin |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3040669B1 (en) |
PL (1) | PL228722B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3521745B1 (en) * | 2018-02-06 | 2022-10-05 | Valeo Autosystemy SP. Z.O.O. | A flat tube assembly for a heat exchanger |
EP4343253A1 (en) * | 2022-09-20 | 2024-03-27 | Alfa Laval Corporate AB | Method for the assembly of a plate and fin heat exchanger and a plate and fin heat exchanger |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4688311A (en) | 1986-03-03 | 1987-08-25 | Modine Manufacturing Company | Method of making a heat exchanger |
JP2000097589A (en) | 1998-09-24 | 2000-04-04 | Showa Alum Corp | Tube for heat exchanger |
EP1090700A2 (en) | 1999-10-08 | 2001-04-11 | Calsonic Kansei Corporation | Formed strip and roll forming |
JP2003336989A (en) | 2002-05-15 | 2003-11-28 | Denso Corp | Tube for heat exchanger and manufacturing method therefor |
DE102005050366A1 (en) | 2004-10-25 | 2006-04-27 | Denso Corp., Kariya | Heat exchanger and process for its preparation |
DE102006050319A1 (en) | 2005-10-28 | 2007-05-03 | Denso Corp., Kariya | A method for manufacturing a tubular evaporator heat exchanger has two side walls and internal fins the ends of which are crimped together |
DE102006006670A1 (en) | 2006-02-14 | 2007-08-23 | Modine Manufacturing Co., Racine | Heat exchanger tube comprises first thin sheet of material partially forming broad and narrow sides of tube body and partially enclosing an interior space, and second sheet of material partially forming fin brazed to tube body |
DE102007033177A1 (en) | 2007-07-17 | 2009-01-22 | Modine Manufacturing Co., Racine | Coolant radiator |
DE102008013018A1 (en) | 2008-03-07 | 2009-09-10 | Modine Manufacturing Co., Racine | Flat tube for heat exchanger, has corrugated rib that is arranged in tube such that wave crest and/or wave trough cooperates with groove, where groove is arranged in tube wall and contact rib |
DE102012211350A1 (en) | 2012-06-29 | 2014-01-02 | Behr Gmbh & Co. Kg | Flat tube and heat exchanger with such a flat tube |
-
2014
- 2014-12-30 PL PL410816A patent/PL228722B1/en unknown
-
2015
- 2015-12-29 EP EP15202900.5A patent/EP3040669B1/en not_active Revoked
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4688311A (en) | 1986-03-03 | 1987-08-25 | Modine Manufacturing Company | Method of making a heat exchanger |
JP2000097589A (en) | 1998-09-24 | 2000-04-04 | Showa Alum Corp | Tube for heat exchanger |
EP1090700A2 (en) | 1999-10-08 | 2001-04-11 | Calsonic Kansei Corporation | Formed strip and roll forming |
JP2003336989A (en) | 2002-05-15 | 2003-11-28 | Denso Corp | Tube for heat exchanger and manufacturing method therefor |
DE102005050366A1 (en) | 2004-10-25 | 2006-04-27 | Denso Corp., Kariya | Heat exchanger and process for its preparation |
DE102006050319A1 (en) | 2005-10-28 | 2007-05-03 | Denso Corp., Kariya | A method for manufacturing a tubular evaporator heat exchanger has two side walls and internal fins the ends of which are crimped together |
US20070095514A1 (en) | 2005-10-28 | 2007-05-03 | Denso Corporation | Tube for heat exchanger and method of manufacturing the same |
DE102006006670A1 (en) | 2006-02-14 | 2007-08-23 | Modine Manufacturing Co., Racine | Heat exchanger tube comprises first thin sheet of material partially forming broad and narrow sides of tube body and partially enclosing an interior space, and second sheet of material partially forming fin brazed to tube body |
DE102007033177A1 (en) | 2007-07-17 | 2009-01-22 | Modine Manufacturing Co., Racine | Coolant radiator |
DE102008013018A1 (en) | 2008-03-07 | 2009-09-10 | Modine Manufacturing Co., Racine | Flat tube for heat exchanger, has corrugated rib that is arranged in tube such that wave crest and/or wave trough cooperates with groove, where groove is arranged in tube wall and contact rib |
DE102012211350A1 (en) | 2012-06-29 | 2014-01-02 | Behr Gmbh & Co. Kg | Flat tube and heat exchanger with such a flat tube |
Also Published As
Publication number | Publication date |
---|---|
PL410816A1 (en) | 2016-07-04 |
EP3040669A1 (en) | 2016-07-06 |
PL228722B1 (en) | 2018-04-30 |
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