US20180304342A1 - Heat exchanger with improved fins - Google Patents
Heat exchanger with improved fins Download PDFInfo
- Publication number
- US20180304342A1 US20180304342A1 US15/745,594 US201615745594A US2018304342A1 US 20180304342 A1 US20180304342 A1 US 20180304342A1 US 201615745594 A US201615745594 A US 201615745594A US 2018304342 A1 US2018304342 A1 US 2018304342A1
- Authority
- US
- United States
- Prior art keywords
- fin
- heat exchanger
- metal sheet
- teeth
- tubes
- 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.)
- Abandoned
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/022—Making the fins
- B21D53/025—Louvered fins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/02—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/022—Making the fins
-
- 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
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- 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
- F28F1/32—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 the means having portions engaging further tubular elements
- F28F1/325—Fins with openings
-
- 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
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/08—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes pressed; stamped; deep-drawn
Definitions
- the present invention relates to a heat exchanger, and more particularly to a mechanical heat exchanger.
- a heat exchanger generally comprises tubes, through which a heat transfer fluid is intended to flow, and heat exchange elements connected to these tubes.
- brazed heat exchangers and mechanical heat exchangers depending on the method for manufacturing them.
- the heat exchange elements In a mechanical heat exchanger, the heat exchange elements, referred to as “fins” in this case, are connected to the tubes in the following way. First of all, through-holes for the tubes to pass through are made in the fins. These through-holes are generally each delimited by a raised edge forming a neck. Next, the fins are disposed substantially parallel to one another and each tube is inserted into a row of aligned holes in the fins. Finally, a radial expansion of the tubes is brought about by passing an expansion tool through the inside of these tubes so as to mechanically join the tubes and the fins by crimping, the necks delimiting the through-holes for the tubes then forming collars clamped around the tubes.
- the fins of this type of tube are generally made from smooth metal sheets.
- the aim of the invention is to propose a heat exchanger in which the heat exchange performance is improved while the mass thereof is limited.
- the subject of the invention is a heat exchanger comprising at least one tube for heat transfer fluid to flow through, connected to at least one heat dissipation fin, characterized in that the fin is made of expanded metal sheet.
- the fin is made of expanded metal sheet makes it possible to increase the heat exchange between the air and the fin while limiting the mass of the heat exchanger, since the heat exchange surface area of the fin is increased compared with a smooth metal sheet, without otherwise adding material thereto.
- the tube is connected to the fin by clamping the tube in a collar formed in the fin.
- the fin comprises at least one row of deflectors forming louvers, said row being formed in the fin and interposed between two tubes of the row of tubes.
- the expanded metal sheet comprises meshes that are each in the overall shape of a rhombus.
- the expanded metal of the sheet comprises aluminum.
- the invention also relates to a method for manufacturing a fin of a heat exchanger according to the invention, the fin being formed from a metal sheet, characterized in that
- the method includes the additional step of forming louvers between said through-holes.
- FIG. 1 is a partial perspective view of a fin of a heat exchanger according to one particular embodiment of the invention
- FIGS. 2 to 7 are schematic perspective views of a press for manufacturing a fin during different steps in a method for manufacturing the fin according to one particular embodiment of the invention.
- FIG. 8 is a schematic view of a heat exchanger according to the invention.
- FIG. 1 shows a fin of a mechanical heat exchanger 1 intended to equip a motor vehicle.
- the heat exchanger comprises a row of substantially parallel tubes 2 through which a conventional heat transfer fluid is intended to flow, and superposed heat dissipation fins 4 that are connected to these tubes 2 .
- the tubes 2 are connected to the fins 4 by clamping the tubes in collars 6 formed in the fins 4 .
- the fins 4 are provided with through-holes 8 for the tubes to pass through.
- These through-holes 8 are each delimited by an edge forming a collar 6 and having two long edge portions connected by two short semicircular edge portions.
- the through-holes each have an oblong overall shape with long portions which are slightly concave in their middle.
- the tubes 2 each have a shape corresponding to that described by the through-holes.
- the tubes 2 are arranged substantially parallel to one another, so as to form a single row.
- the fins 4 have a substantially flat rectangular overall shape and are arranged in the heat exchanger 1 in a manner substantially parallel to one another and perpendicular to the longitudinal directions of the tubes 2 .
- the heat exchanger 1 allows an air flow to pass from upstream to downstream, the fins 4 being intended to extend through this flow.
- Arrows F indicate the direction of travel of the flow in FIG. 1 .
- the heat exchanger 1 also comprises rows 10 of deflectors 12 forming louvers, which are formed in each fin 4 and are each interposed between two tubes 2 .
- the fin 4 is made of expanded metal sheet, and consequently so are the deflectors 10 .
- the metal of the sheet comprises aluminum, for example an alloy comprising substantially aluminum.
- the expanded metal sheet comprises meshes 12 that are each in the shape of a rhombus.
- a method for manufacturing a fin 4 of a heat exchanger 1 according to the invention will now be described, the steps of said method being illustrated in FIGS. 2 to 7 .
- the fin 4 is formed from a metal sheet 16 , this metal sheet 16 is firstly compressed between two complementary rows 18 of aligned teeth 20 that are borne respectively by two jaws 22 of a press 24 .
- the two rows 18 of teeth are moved by half a pitch, a pitch corresponding to the distance p between the consecutive apices of two teeth 20 in the same row 18 . This movement is indicated by the arrow P 1 in FIG. 4 .
- the metal sheet 16 is moved transversely to the rows 18 of teeth by a distance d corresponding to the width of one tooth 20 . This movement is indicated by the arrow D shown in FIG. 5 .
- the tubes have a circular cross section and the corresponding through-holes are circular.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a heat exchanger (1) comprising at least one tube (2) for heat transfer fluid to flow through, connected to at least one heat dissipation fin (4). The fin (4) is made of expanded metal sheet.
Description
- The present invention relates to a heat exchanger, and more particularly to a mechanical heat exchanger.
- A heat exchanger generally comprises tubes, through which a heat transfer fluid is intended to flow, and heat exchange elements connected to these tubes.
- A distinction is usually made between brazed heat exchangers and mechanical heat exchangers depending on the method for manufacturing them.
- In a mechanical heat exchanger, the heat exchange elements, referred to as “fins” in this case, are connected to the tubes in the following way. First of all, through-holes for the tubes to pass through are made in the fins. These through-holes are generally each delimited by a raised edge forming a neck. Next, the fins are disposed substantially parallel to one another and each tube is inserted into a row of aligned holes in the fins. Finally, a radial expansion of the tubes is brought about by passing an expansion tool through the inside of these tubes so as to mechanically join the tubes and the fins by crimping, the necks delimiting the through-holes for the tubes then forming collars clamped around the tubes.
- The fins of this type of tube are generally made from smooth metal sheets.
- The aim of the invention is to propose a heat exchanger in which the heat exchange performance is improved while the mass thereof is limited.
- To this end, the subject of the invention is a heat exchanger comprising at least one tube for heat transfer fluid to flow through, connected to at least one heat dissipation fin, characterized in that the fin is made of expanded metal sheet.
- The fact that the fin is made of expanded metal sheet makes it possible to increase the heat exchange between the air and the fin while limiting the mass of the heat exchanger, since the heat exchange surface area of the fin is increased compared with a smooth metal sheet, without otherwise adding material thereto.
- In one particular embodiment, corresponding to a mechanical heat exchanger, the tube is connected to the fin by clamping the tube in a collar formed in the fin.
- Preferably, in order to further increase the heat exchange between the air and the fin, with the heat exchanger comprising a row of substantially parallel tubes, the fin comprises at least one row of deflectors forming louvers, said row being formed in the fin and interposed between two tubes of the row of tubes.
- In one particular embodiment of the invention, the expanded metal sheet comprises meshes that are each in the overall shape of a rhombus.
- Preferably, in order to lighten the heat exchanger, the expanded metal of the sheet comprises aluminum.
- The invention also relates to a method for manufacturing a fin of a heat exchanger according to the invention, the fin being formed from a metal sheet, characterized in that
-
- a) the metal sheet is compressed between two complementary rows of aligned teeth borne respectively by two jaws of a press;
- b) the two rows of teeth are moved by half a pitch, a pitch corresponding to the distance between the consecutive apices of two teeth in the same row;
- c) the metal sheet is moved transversely to the rows of teeth by a distance corresponding to the width of one tooth;
- d) step a) is repeated;
- e) the two rows of teeth are moved by half a pitch in the opposite sense to that in step b);
- f) steps a) to e) are repeated;
- g) through-holes for a tube to pass through are formed.
- In one particular embodiment, the method includes the additional step of forming louvers between said through-holes.
- The invention will be understood better from reading the following description, which is given solely by way of example and with reference to the drawings, in which:
-
FIG. 1 is a partial perspective view of a fin of a heat exchanger according to one particular embodiment of the invention; -
FIGS. 2 to 7 are schematic perspective views of a press for manufacturing a fin during different steps in a method for manufacturing the fin according to one particular embodiment of the invention. -
FIG. 8 is a schematic view of a heat exchanger according to the invention. -
FIG. 1 shows a fin of amechanical heat exchanger 1 intended to equip a motor vehicle. - The heat exchanger comprises a row of substantially
parallel tubes 2 through which a conventional heat transfer fluid is intended to flow, and superposedheat dissipation fins 4 that are connected to thesetubes 2. - The
tubes 2 are connected to thefins 4 by clamping the tubes incollars 6 formed in thefins 4. To this end, thefins 4 are provided with through-holes 8 for the tubes to pass through. These through-holes 8 are each delimited by an edge forming acollar 6 and having two long edge portions connected by two short semicircular edge portions. The through-holes each have an oblong overall shape with long portions which are slightly concave in their middle. - In the example described, the
tubes 2 each have a shape corresponding to that described by the through-holes. Thetubes 2 are arranged substantially parallel to one another, so as to form a single row. - The
fins 4 have a substantially flat rectangular overall shape and are arranged in theheat exchanger 1 in a manner substantially parallel to one another and perpendicular to the longitudinal directions of thetubes 2. - The
heat exchanger 1 allows an air flow to pass from upstream to downstream, thefins 4 being intended to extend through this flow. Arrows F indicate the direction of travel of the flow inFIG. 1 . - In order to increase the heat exchange between the flow F and the
fins 4, theheat exchanger 1 also comprisesrows 10 ofdeflectors 12 forming louvers, which are formed in eachfin 4 and are each interposed between twotubes 2. - The
fin 4 is made of expanded metal sheet, and consequently so are thedeflectors 10. Preferably, the metal of the sheet comprises aluminum, for example an alloy comprising substantially aluminum. - More particularly, the expanded metal sheet comprises
meshes 12 that are each in the shape of a rhombus. - A method for manufacturing a
fin 4 of aheat exchanger 1 according to the invention will now be described, the steps of said method being illustrated inFIGS. 2 to 7 . - Since the
fin 4 is formed from ametal sheet 16, thismetal sheet 16 is firstly compressed between twocomplementary rows 18 of alignedteeth 20 that are borne respectively by twojaws 22 of apress 24. - This is realized for example by lowering the
upper jaw 22 in the direction and sense indicated by the arrow C inFIG. 2 , the compression being illustrated inFIG. 3 . - Next, the two
rows 18 of teeth are moved by half a pitch, a pitch corresponding to the distance p between the consecutive apices of twoteeth 20 in thesame row 18. This movement is indicated by the arrow P1 inFIG. 4 . - Then, the
metal sheet 16 is moved transversely to therows 18 of teeth by a distance d corresponding to the width of onetooth 20. This movement is indicated by the arrow D shown inFIG. 5 . - Once the step of compression between the
rows 18 ofteeth 20 has been repeated, as shown inFIGS. 5 and 6 , the tworows 18 ofteeth 20 are moved by half a pitch in the opposite sense to the arrow P1, that is to say in the sense of the arrow P2, shown inFIG. 7 . - In order to obtain the expanded
metal fin 4 as shown inFIG. 1 , the above steps are repeated until the entire surface of thesheet 16 has been compressed, and then the holes and the louvers are realized. - The invention is not limited to the embodiment presented, and further embodiments will be dearly apparent to a person skilled in the art. For example, according to an embodiment that is not shown, the tubes have a circular cross section and the corresponding through-holes are circular.
Claims (7)
1. A heat exchanger comprising:
at least one tube for heat transfer fluid to flow through, connected to at least one heat dissipation fin,
wherein the fin is made of expanded metal sheet.
2. The heat exchanger as claimed in claim 1 , the tube being connected to the fin by clamping the tube in a collar formed in the fin.
3. The heat exchanger as claimed in claim 1 , further comprising a row of substantially parallel tubes, wherein the fin comprises at least one row of deflectors forming louvers, said row being formed in the fin and interposed between two tubes of the row of tubes.
4. The heat exchanger as claimed in claim 1 , wherein the expanded metal sheet comprises meshes that are each in the overall shape of a rhombus.
5. The heat exchanger as claimed in claim 1 , wherein the expanded metal sheet comprises aluminum.
6. A method for manufacturing a fin of a heat exchanger as claimed in claim 1 , the fin being formed from a metal sheet, the method comprising:
a) compressing the metal sheet between two complementary rows of aligned teeth borne respectively by two jaws of a press;
b) moving the two rows of teeth by half a pitch, the pitch corresponding to the distance between the consecutive apices of two teeth in the same row;
c) moving the metal sheet transversely to the rows of teeth by a distance corresponding to the width of one tooth;
d) re-compressing the metal sheet between the two complementary rows of aligned teeth
e) moving the two rows of teeth are moved by half a pitch in the opposite sense to that in step b);
f) repeating steps a) to e); and
g) forming through-holes for a tube to pass through.
7. The method as claimed in claim 6 , further comprising the additional step of forming louvers between said through-holes.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1556764A FR3038975B1 (en) | 2015-07-17 | 2015-07-17 | HEAT EXCHANGER WITH IMPROVED FINS |
FR1556764 | 2015-07-17 | ||
PCT/EP2016/065930 WO2017012870A1 (en) | 2015-07-17 | 2016-07-06 | Heat exchanger with improved fins |
Publications (1)
Publication Number | Publication Date |
---|---|
US20180304342A1 true US20180304342A1 (en) | 2018-10-25 |
Family
ID=54199872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/745,594 Abandoned US20180304342A1 (en) | 2015-07-17 | 2016-07-06 | Heat exchanger with improved fins |
Country Status (7)
Country | Link |
---|---|
US (1) | US20180304342A1 (en) |
EP (1) | EP3325911A1 (en) |
CN (1) | CN108369080A (en) |
BR (1) | BR112018000880A2 (en) |
FR (1) | FR3038975B1 (en) |
MX (1) | MX2018000661A (en) |
WO (1) | WO2017012870A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220402012A1 (en) * | 2020-12-11 | 2022-12-22 | Shanghai Jiao Tong University | Preparation method for metal material |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2471582A (en) * | 1944-09-15 | 1949-05-31 | Poole Ralph | Heat exchange apparatus for fluids |
US4596129A (en) * | 1982-11-01 | 1986-06-24 | Mitsubishi Jukogyo Kabushiki Kaisha | Apparatus for forming fins for heat exchangers |
FR2668250A1 (en) * | 1990-10-22 | 1992-04-24 | Inst Francais Du Petrole | Heat exchanger with tubes joined by expanded metal plates |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1521499A (en) * | 1967-03-07 | 1968-04-19 | Chausson Usines Sa | Fin for radiator bundle with tubes and fins |
FR1526316A (en) * | 1967-04-14 | 1968-05-24 | Chausson Usines Sa | Improvements to secondary heat sinks for radiators and unit heaters |
DE2428042C3 (en) * | 1973-06-14 | 1978-06-15 | Igor Martynovitsch Kalnin | Tubular heat exchanger |
FR2540407A1 (en) * | 1983-02-03 | 1984-08-10 | Metal Deploye | ADJUSTED STRUCTURE IN DEPLOYED MATERIAL, THERMAL FILTER AND HEAT EXCHANGER COMPRISING SUCH A STRUCTURE, METHOD FOR PRODUCING AN ADJUSTED STRUCTURE IN DEPLOYED MATERIAL AND TOOL FOR IMPLEMENTING SAID METHOD |
FR2937719B1 (en) * | 2008-10-29 | 2013-12-27 | Valeo Systemes Thermiques | WING FOR HEAT EXCHANGER AND HEAT EXCHANGER COMPRISING SUCH AILT |
FR2993967B1 (en) * | 2012-07-24 | 2014-08-29 | Valeo Systemes Thermiques | FIN FOR DISCRIDGING THE FLOW OF A FLUID, HEAT EXCHANGER COMPRISING SUCH FIN AND METHOD OF MANUFACTURING SUCH AILT |
-
2015
- 2015-07-17 FR FR1556764A patent/FR3038975B1/en not_active Expired - Fee Related
-
2016
- 2016-07-06 WO PCT/EP2016/065930 patent/WO2017012870A1/en active Application Filing
- 2016-07-06 MX MX2018000661A patent/MX2018000661A/en unknown
- 2016-07-06 EP EP16739060.8A patent/EP3325911A1/en not_active Withdrawn
- 2016-07-06 US US15/745,594 patent/US20180304342A1/en not_active Abandoned
- 2016-07-06 CN CN201680047022.0A patent/CN108369080A/en active Pending
- 2016-07-06 BR BR112018000880A patent/BR112018000880A2/en not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2471582A (en) * | 1944-09-15 | 1949-05-31 | Poole Ralph | Heat exchange apparatus for fluids |
US4596129A (en) * | 1982-11-01 | 1986-06-24 | Mitsubishi Jukogyo Kabushiki Kaisha | Apparatus for forming fins for heat exchangers |
FR2668250A1 (en) * | 1990-10-22 | 1992-04-24 | Inst Francais Du Petrole | Heat exchanger with tubes joined by expanded metal plates |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220402012A1 (en) * | 2020-12-11 | 2022-12-22 | Shanghai Jiao Tong University | Preparation method for metal material |
US11890660B2 (en) * | 2020-12-11 | 2024-02-06 | Shanghai Jiao Tong University | Preparation method for metal material |
Also Published As
Publication number | Publication date |
---|---|
MX2018000661A (en) | 2018-09-06 |
CN108369080A (en) | 2018-08-03 |
BR112018000880A2 (en) | 2018-09-11 |
WO2017012870A1 (en) | 2017-01-26 |
FR3038975A1 (en) | 2017-01-20 |
FR3038975B1 (en) | 2019-08-09 |
EP3325911A1 (en) | 2018-05-30 |
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