EP3308096A1 - Echangeur de chaleur pour vehicule automobile - Google Patents
Echangeur de chaleur pour vehicule automobileInfo
- Publication number
- EP3308096A1 EP3308096A1 EP16728027.0A EP16728027A EP3308096A1 EP 3308096 A1 EP3308096 A1 EP 3308096A1 EP 16728027 A EP16728027 A EP 16728027A EP 3308096 A1 EP3308096 A1 EP 3308096A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit
- heat exchanger
- channel
- channels
- exchanger according
- 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.)
- Granted
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 20
- 239000002826 coolant Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims description 22
- 239000013529 heat transfer fluid Substances 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 238000005476 soldering Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
Classifications
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
- F28D7/0025—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium the conduits for one medium or the conduits for both media being flat tubes or arrays of tubes
-
- 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
- F28D1/0308—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 the conduits being formed by paired plates touching each other
- F28D1/0325—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 the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
- F28D1/0333—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 the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
-
- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- 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
- F28F3/042—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 in the form of local deformations of the element
- F28F3/046—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 in the form of local deformations of the element the deformations being linear, e.g. 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
- 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
- F28F3/048—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 in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
Definitions
- the field of the present invention is that of heat exchangers for motor vehicles, and the present invention applies more particularly, but not exclusively, to the heat exchangers used in the air conditioning circuits of these vehicles.
- the closest state of the art is formed by the two-circuit heat exchangers, in which a first circuit contains a heat transfer fluid of the brine type, and in which a second circuit contains a refrigerant, the calories being transferred from the coolant coolant fluid.
- the refrigerant currently most used in this type of exchanger is a fluorinated compound known under the name R134a.
- This refrigerant fluid is usually maintained in a sealed closed circuit of the vehicle. In certain situations, however, this fluid can escape into the atmosphere: this is the case, for example, when the vehicle is damaged, or when the vehicle is at the end of its life, or when the refrigerant circuit has leak.
- this refrigerant fluid is known to contribute in a negative way to the greenhouse effect on the planet.
- the object of the present invention is to propose a simple, effective solution and reliable for performing a high-performance heat exchange between a heat transfer fluid and a supercritical refrigerant such as carbon dioxide, which solution is furthermore easy to assemble before the welding / soldering operations of the heat exchanger.
- the subject of the invention is a heat exchanger comprising a first circuit intended to be traversed by a liquid heat transfer fluid and a second circuit intended to be traversed by a supercritical refrigerant fluid, characterized in that the first circuit is formed by at least one channel delimited lo by at least two plates, and in that the second circuit is formed by at least one multichannel tube, and wherein said channel is in contact with the multichannel tube.
- the first circuit 15 comprises several channels and the second circuit comprises several tubes, and the tubes and channels are stacked alternately on each other.
- the multichannel tube is an extruded tube of low height, of the order of a few millimeters at most, especially between 1 and 3 millimeters.
- the multichannel tube comprises a plurality of walls, and these walls define a set of channels that extend from one longitudinal end of said multichannel tube to the other.
- the channels thus delimited are straight and aligned next to each other.
- the two plates forming a channel of the first circuit of the heat exchanger are assembled to each other at least by their periphery, in particular by a peripheral edge of these plates.
- the first circuit comprising a plurality of such channels, two plates forming a first channel of the first circuit and two plates forming a second channel of said first circuit communicate with each other by snaps fitted into one another and assembled in a sealed manner.
- the internal volume of channels adjacent is thus put in fluidic relation.
- each plate entering the formation of a channel of the first circuit has two orifices placed at each longitudinal end of the channel and each delimited by a collar which extends, once said plate is assembled with a similar plate to form said channel, towards outside said channel, that is to say towards the outside of the internal volume delimited by two plates forming a channel.
- the plates which, by assembly, form the first circuit also comprise one or more reinforcements which delimit heat transfer fluid circulation passages, these reinforcements being located in the central portion of the plate called bowl.
- the contact between the elements forming the first circuit and the elements forming the second circuit is formed between at least a flat portion of a plate forming a part of a channel of the first circuit and at least a portion of an outer face of a multichannel tube forming the second circuit.
- a direction in which extends at least one channel forming the second circuit of said heat exchanger and a direction passing through orifices formed at each longitudinal end of a plate are substantially perpendicular to each other.
- the assembly, or the series, of first orifices and the assembly, or the series, of second orifices respectively form, once all the channels assembled in a sealed manner by said collars, a first tubular passage and a second tubular passage. which connect together all the internal volumes of the channels.
- each plate entering the formation of a channel of the first circuit comprises at least one rib which delimits at least one circulation passage of the coolant.
- a rib also has a function of mechanical reinforcement of the channel.
- each rib has substantially the shape of a "V", thus forming a chevron.
- each end of the multichannel tubes protrudes from edges located at the periphery of the constituent plates of the channels.
- the multichannel tubes can thus be connected to the collector boxes without interfering with the plates.
- each plate entering the formation of a channel of the first circuit comprises at least a flat portion in contact with an outer face of a multichannel tube. This guarantees the transfer of heat from the liquid heat transfer fluid to the supercritical refrigerant fluid, or in the opposite direction.
- the invention also relates to a heat transfer fluid circuit or a supercritical refrigerant circuit for a motor vehicle, characterized in that one and / or the other of these circuits comprises a heat exchanger as detailed above. .
- FIG. 1 is an external perspective view of two plates entering the formation of a channel of the first circuit of a heat exchanger according to the invention
- FIG. 2 is a close perspective view of a detail of the assembly of two channels of the first circuit of a heat exchanger according to the invention
- FIG. 3 is a perspective view of the assembly of the channels forming the first circuit and of the tubes forming the second circuit of a heat exchanger according to the invention
- FIG. 4 is a schematic perspective view of a multichannel tube forming part of the second circuit of a heat exchanger according to the invention
- FIG. 5 is a close-up view of a detail of the multi-channel tube represented in FIG. 4,
- FIG. 6 is a perspective view of the assembly of two elements of the first circuit and of an element of the second circuit of a heat exchanger according to the invention
- FIG. 7 is a schematic perspective view of the two circuits of an exchanger according to the invention, assembled
- FIG. 8 is a schematic side view of a complete heat exchanger according to the invention.
- the designation "inside” refers to the volumes in which circulate either the coolant or the coolant.
- FIG. 1 shows an external perspective view of two plates 1 forming part of a channel A of the first circuit of a heat exchanger 100 according to the invention, capable of being traversed by a coolant such as a glycol fluid. , for example.
- a channel A of this first circuit is formed by the assembly of these two plates 1 as represented by FIG. 1.
- Each plate 1 is a thin plate, advantageously made by stamping a metallic material of to form a bowl 10 (visible in Figure 2) of shallow depth bounded by a bottom 12 and, in periphery by an edge 11.
- each plate 1 is advantageously of the order of a few tenths of a millimeter, typically, but not limited to, 3/10 th to 7/10 th of a millimeter.
- the depth of the bowl 10 is advantageously of the order of a few tenths of a millimeter to about 1 millimeter.
- the edge 11, raised relative to the bottom 12 of the bowl 10 when viewing the inner part of the plate 1, forms a blank 110 of small width, substantially parallel to the bottom 12, and extending outwardly of the bowl 10.
- each plate 1 has substantially the general shape of a hexagon of which two parallel sides 1a and 1b are longer than the other sides, the lengths of said other sides being substantially equal to each other.
- Each plate 1 is also pierced with two orifices, hereinafter called first orifice 13a and second orifice 13b.
- the orifices 13a and 13b have an oblong shape and are placed substantially at each end of the plate 1, substantially spaced from the length of the parallel sides 1a and 1b. They are also placed in such a way that the plate 1 has at least one plane of symmetry P.
- the plane of symmetry P is substantially perpendicular to the parallel sides of greater length 1a and 1b, and go through the middle of these.
- each plate 1 may also have a plurality of ribs 14 each of which, in the bowl 10, forms a projection whose height is slightly less than the depth of the bowl 10.
- the ribs 14 are arranged symmetrically with respect to the plane of symmetry P previously mentioned, and they each have the shape of a "V". In other words, these ribs 14 each form a chevron. By their shape, these ribs 14 have a role of mechanical reinforcement and stiffening of each plate 1. They also have another role to be specified later. Between the ribs 14, the bottom 12 of each plate 5 1 is substantially planar.
- a channel A of the first circuit of the heat exchanger according to the invention intended to be traversed by the liquid heat transfer fluid two plates 1 as described above are assembled by their edge 11. More specifically, lo the blanks 110 of the two plates 1 are contiguous and brazed together, so that the two cuvettes 10 of each plate 1 together form an internal volume V in which the liquid heat transfer fluid is called to circulate. Given the depth of each bowl 10, the height of a channel A is typically, but not limited to, of the order of 1 to 3 millimeters. he
- the first circuit of the heat exchanger consists of a stack or succession of several channels as described above.
- Figure 2 shows a detail of the assembly of two immediately adjacent plates constituting two channels forming the first circuit. It appears in FIG. 2 that, during the assembly of the two adjacent channels A, the orifices 13a formed on the plates 1 are facing one another, and that their collars 13c, which extend then one towards the other, cooperate to form a passage portion for communicating with each other internal volumes V formed within the adjacent channels. When assembling these channels together, the collars 13c, brazed together, thus form a sealed passage between the internal volumes V of said channels delimited each by a pair of plates 1.
- first tubular passage 15a defined by the series of first orifices 13a visible in Figure 3 through which the heat transfer fluid can flow to enter or leave each channel forming the first circuit.
- Each plate 1 having a first orifice 13a and a second orifice
- a second tubular passage 15b is formed in the same manner as the first tubular passage 15a, as shown in Figure 3, that is to say by the series of second orifices 13b.
- These tubular passages 15a and 15b form, with the succession of internal volumes V channels A assembled to form the first circuit of the heat exchanger 100 according to the invention, the first heat transfer fluid circuit.
- Figure 3 also illustrates the presence of a plurality of multichannel tubes B interposed between each channel A of the first circuit.
- the multi-channel tubes B are connected in leaktight manner to one or more inlet and outlet sleeves 7a and 7b connected to a single flange 50.
- a collecting box 51 consisting of a stack of components.
- One of these components is a first plate 5 on one side of which the sleeves input 7a and output 7b are directly secured.
- Another component is formed by an intermediate plate 52 sandwiched between the first plate 5 and a header plate 6. The latter comprises folded longitudinal edges for gripping the first plate and thus maintain the stack of components.
- FIGS 4 and 5 show schematic views of a multi-channel tube B entering the formation of the second circuit of the heat exchanger 00 according to the invention.
- a multi-channel tube B which is advantageously an extruded tube, is in the form of a rigid plate 20 of generally rectangular shape of large side L , of small side I, and of thickness d.
- this plate comprises, in its thickness, a set of walls 22, for example parallel, of width h1 which extend, in a direction D1 parallel to that of the long side L of the multi-channel tube B, of a longitudinal end to the other of the plate 20.
- the walls 22 form bridges of material between two large outer faces 33 and 34 defined by the long side L and the short side I.
- the walls 22 delimit between them, in the direction D1, a set of channels 21 aligned parallel to each other. extend, also in the direction D1, from one longitudinal end of the plate 20 to the other, so as to open at both ends thereof.
- each of the channels 21 has a substantially oblong shape whose height H is greater than the width h and slightly less than thickness d of the rigid plate 20.
- the channels 21 are spaced from each other by the width h1 of each wall 22, and each of these walls plays a role of mechanical reinforcement of the entire multi-channel tube B, the channels 21 being aligned side by side.
- FIG. 6 more precisely illustrates the connection between two channels A of the first circuit of the heat exchanger 100 according to the invention and a tube multichannel B of the second circuit of this heat exchanger. It appears in this figure that the multi-channel tube B is interposed between the two channels A, and that the multichannel tube B protrudes, at each of its ends, the longitudinal edges 1a, 1b of greater length of each of the channels A. More specifically, and as mentioned above, the outer wall of the bowl 10 formed in each plate 1 entering the formation of a channel A is between the ribs 14 that this plate carries substantially planar. According to the invention, at least a portion 35 of these flat portions is in direct contact, in particular by soldering, with an outer face 33 or 34 of the immediately adjacent multichannel tube B.
- the dimensions of the flanges 13c of adjacent channels A and the thickness d of each multichannel tube B are defined in such a way that the insertion of these tubes between two adjacent channels A is possible while leaving a space of small dimensions such that it is possible to achieve direct contact by simple welding or soldering between multichannel tube B of the second circuit and plates 1 of the channels of the first circuit.
- the thickness d of each plate 20 is of the order of 1 to 3 millimeters, corresponding to the space between two immediately adjacent channels A of the first circuit.
- the first and second circuits of a heat exchanger 100 are formed of a succession of channels A and multichannel tubes B interposed between two adjacent channels, the tubular passages 15a and 15b defining an inlet and an outlet of the coolant in the first circuit and thus a general direction of circulation of said fluid in said first circuit.
- the supercritical refrigerant circulates in the channels 21 of the multichannel tubes B in the second circuit.
- an inlet cheek 3 is combined with a first plate 1 so as to define an inlet zone of the coolant in the first circuit.
- the input cheek 3 has a thickness greater than the thickness of a plate 1 and thus forms a reinforcement mechanical for the heat exchanger.
- the inlet cheek 3 receives an inlet pipe 31 also delimiting one of the tubular passages 15a or 15b.
- the heat exchanger 100 also comprises an outlet cheek 4 sealed to a plate 1.
- This outlet cheek 4 supports an outlet pipe 41 delimiting the second tubular passage 15b.
- the heat transfer fluid therefore enters the first circuit through the inlet pipe 31, circulates in the first tubular passage 15, then is distributed in each channel A, to be collected by the second tubular passage 15b, and finally out of the exchanger heat 100 through the outlet pipe 41.
- the inlet and the outlet of the heat transfer fluid circuit are each located at one end of the heat exchanger 100 according to the invention, according to the stacking direction of the assembly. multichannel channel tubes.
- the multichannel tubes B are connected, at each of their ends, to a manifold 51 as described in connection with Figure 3 above.
- Only one of two header boxes is connected to a set of inlet and outlet sleeves 7a and 7b, which ensure the circulation of supercritical refrigerant fluid in the second circuit of the heat exchanger according to the invention.
- the inlet and outlet sleeves 7a and 7b of the second circuit are situated on the same side of the heat exchanger, thus defining a "U" configuration of this second circuit.
- the manifold without inlet and outlet sleeves 7a and 7b, said recovery collecting box 53 ensures the recovery of the supercritical refrigerant fluid arriving through a portion of the channels 21 of the multichannel tubes B.
- This manifold then directs the fluid of so that it enters the other part of the channels 21 to go to the manifold 51, said header manifold.
- a general direction D2 of circulation of the coolant in the channels A constituting the first circuit is defined by a straight line passing through the first orifice 13a and the second orifice 13b of the same plate 1.
- This direction D2 is perpendicular, or substantially perpendicular, to the general direction D1 of circulation of the supercritical refrigerant fluid in the multichannel tubes B , defined by the orientation of the channels 21 of the multichannel tubes B.
- at least one channel A of the first circuit and at least one multichannel tube B of the second circuit are arranged in the heat exchanger 100 so as to that their respective fluid path is perpendicular, or substantially perpendicular.
- the process for producing a heat exchanger 100 according to the invention can be as follows: stacking of the channels A and multichannel tubes B so as to form a heat exchange body, forming respectively the first and the second fluid circuit, pre-assembly of the manifolds 51, pre-assembly of the inlet pipes 31 and outlet 41 on the stack of multichannel tubes B, pre-assembly of the inlet sleeves 7a and outlet 7 on the stack of the channels A, then brazing or welding the assembly in a suitable oven.
- the invention therefore makes it possible to produce a single monobloc exchanger whose elements in which the supercritical refrigerant fluid circulates are designed to withstand the high pressures necessary for the implementation of the latter, while offering high heat exchange performance.
- the manufacturing operations of the various elements of the circuits of the heat exchanger such as the stamping of the plates forming the channels of the heat transfer fluid circuit, the extrusion of the multichannel tubes, the soldering of the assembled elements, the pre-assembly steps and the final soldering step are, moreover, simple and cost-effective for mass production.
- Such a heat exchanger 100 remains economically viable for mass production, as is particularly the case in the world of automotive production.
- an inlet sleeve 7a is secured to a first manifold 51
- an outlet sleeve 7b is secured to a second manifold 53.
- Any other respective configuration of the inlet or outlet sleeves or pipes the first or second circuit can also be implemented, as it helps to optimize the circulation of heat transfer fluids and supercritical refrigerant and, thus, the efficiency of heat exchange.
- any general shape other than hexagonal can be given to the plates 1 entering the formation of the channels A, insofar as the specificities of these plates described here with respect to the invention are respected.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1555347A FR3037387B1 (fr) | 2015-06-12 | 2015-06-12 | Echangeur de chaleur pour vehicule automobile |
PCT/EP2016/063188 WO2016198536A1 (fr) | 2015-06-12 | 2016-06-09 | Echangeur de chaleur pour vehicule automobile |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3308096A1 true EP3308096A1 (fr) | 2018-04-18 |
EP3308096B1 EP3308096B1 (fr) | 2020-12-16 |
Family
ID=54291418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16728027.0A Active EP3308096B1 (fr) | 2015-06-12 | 2016-06-09 | Echangeur de chaleur pour vehicule automobile |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3308096B1 (fr) |
FR (1) | FR3037387B1 (fr) |
WO (1) | WO2016198536A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3084698B1 (fr) * | 2018-07-31 | 2020-07-24 | Safran Aircraft Engines | Echangeur thermique pour turbomachine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007017133A (ja) * | 2005-07-11 | 2007-01-25 | Denso Corp | 熱交換器 |
ES2349909B1 (es) * | 2008-10-21 | 2011-09-28 | Valeo Termico, S.A. | Intercambiador de calor de placas apiladas. |
JP5206830B2 (ja) * | 2011-03-25 | 2013-06-12 | ダイキン工業株式会社 | 熱交換器 |
DE102012224353A1 (de) * | 2012-12-21 | 2014-06-26 | Behr Gmbh & Co. Kg | Wärmeübertrager |
-
2015
- 2015-06-12 FR FR1555347A patent/FR3037387B1/fr not_active Expired - Fee Related
-
2016
- 2016-06-09 WO PCT/EP2016/063188 patent/WO2016198536A1/fr unknown
- 2016-06-09 EP EP16728027.0A patent/EP3308096B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
FR3037387B1 (fr) | 2019-07-19 |
FR3037387A1 (fr) | 2016-12-16 |
WO2016198536A1 (fr) | 2016-12-15 |
EP3308096B1 (fr) | 2020-12-16 |
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