WO2024079615A1 - Échangeur de chaleur - Google Patents

Échangeur de chaleur Download PDF

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Publication number
WO2024079615A1
WO2024079615A1 PCT/IB2023/060151 IB2023060151W WO2024079615A1 WO 2024079615 A1 WO2024079615 A1 WO 2024079615A1 IB 2023060151 W IB2023060151 W IB 2023060151W WO 2024079615 A1 WO2024079615 A1 WO 2024079615A1
Authority
WO
WIPO (PCT)
Prior art keywords
working fluid
heat exchanger
exchange fluid
fluid
transversal
Prior art date
Application number
PCT/IB2023/060151
Other languages
English (en)
Inventor
Giorgio Girondi
Original Assignee
Ufi Innovation Center S.R.L.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ufi Innovation Center S.R.L. filed Critical Ufi Innovation Center S.R.L.
Publication of WO2024079615A1 publication Critical patent/WO2024079615A1/fr

Links

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
    • 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
    • F28D9/005—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 the plates having openings therein for both heat-exchange media
    • 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
    • F28F3/025—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
    • F28F3/027—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 with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F28F9/0248—Arrangements for sealing connectors to header boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/06—Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections

Definitions

  • the present invention relates to a heat exchanger .
  • the present invention belongs to the automotive field .
  • Heat exchanger solutions which find speci fic application in a vehicle , having the purpose of managing the temperature of a given fluid circulating in a system of a vehicle , are known from the prior art .
  • the heat exchanger is suitable for performing a heat exchange operation between two fluids , that is , between a working fluid and an exchange fluid .
  • the working fluid is an oil , circulating in one or more operating groups of the vehicle , for example a gearbox group, a transmission group, an engine group, to manage the temperature thereof .
  • the working fluid is a coolant fluid .
  • coolant fluid means one of the fluids normally used in a refrigeration cycle such as , for example , R134a, R744 , R290 , R718 , R717 , R1234yfa or R1234yf .
  • the exchange fluid is a water-based liquid .
  • Heat exchangers are also component systems in which the manufacturing and assembly operations have speci fic complexities , often requiring speci fic ski lls .
  • FIG. 1 shows a perspective view of a heat exchanger, according to the present invention, according to a preferred embodiment
  • Figure la shows a sectional perspective view of the heat exchanger according to Figure 1 ;
  • Figure 2 shows a front view of the sectional view in Figure la ;
  • Figure 3 shows a perspective view with separate parts of the heat exchanger in Figure 1 ;
  • FIG. 4a, 4b, 4c, 4d and 4e show top views of some components , a lower plate-like end element , a first and a second intermediate plate-like element , and a working fluid turbulator and an exchange fluid turbulator, comprised in the heat exchanger according to the present invention;
  • Figures 5 and 5a show a top view of a lower platelike end element and of said lower plate-like end element correctly coupled to a working fluid turbulator ;
  • Figures 5b ' and 5b" show a top view of the lower plate-like end element in Figure 5 incorrectly coupled to an exchange fluid turbulator ;
  • Figures 6 and 6a show a top view of a first intermediate plate-like element and of said first intermediate plate-like element correctly coupled to an exchange fluid turbulator ;
  • Figures 6b' and 6b" show a top view of the first intermediate plate-like element in Figure 6 incorrectly coupled to a working fluid turbulator ;
  • Figures 7 and 7a show a top view of a second intermediate plate-like element and of said second intermediate plate-like element correctly coupled to a working fluid turbulator ;
  • Figures 7b' and 7b" show a top view of the second intermediate plate-like element in Figure 7 incorrectly coupled to an exchange fluid turbulator .
  • FIG. 1 indicates a heat exchanger of a thermal management system of a vehicle , according to the present invention .
  • the heat exchanger 1 is suitable for performing a heat exchange action between a working fluid, preferably oil , and an exchange fluid, preferably a water-based liquid, each circulating in a respective circuit of the vehicle .
  • the heat exchanger 1 is connectable to the two circuits so that both the working fluid and the exchange fluid flow therein .
  • the working fluid, in the heat exchanger 1 is cooled by trans ferring heat to the exchange fluid .
  • the heat exchanger 1 comprises a working fluid inlet mouth 2110 and a working fluid outlet mouth 2120 through which the working fluid flows in and out .
  • the heat exchanger 1 comprises an exchange fluid inlet mouth 2210 and an exchange fluid outlet mouth 2220 through which the exchange fluid flows in and out .
  • the heat exchanger 1 comprises plate-like end elements 3 , 7 and intermediate plate-like elements 4 .
  • the intermediate plate-like elements 4 are divided into first elements 41 and second elements 42 .
  • the heat exchanger 1 is obtained by j oining said plate-like elements .
  • the plate-like elements are packed together along a preferential stacking direction .
  • the heat exchanger 1 extends in height with respect to a vertical axis V-V and longitudinally with respect to a longitudinal axis X-X and transversely with respect to a transverse axis Y-Y, the latter axes lying on the same imaginary plane orthogonal to the axis V-V .
  • the plate-like elements extend substantially parallel to said vertical axis V-V . That is , the plate-like elements extend longitudinally with respect to the longitudinal axis X-X and transversely with respect to the transverse axis Y-Y .
  • the plate-like end elements 3 , 7 are axially spaced apart along the vertical axis V-V .
  • a plate-like end element 3 is referred to as being upper, while the other plate-like end element 7 is referred to as being lower .
  • each end platelike element comprises a single plate-like body .
  • At least one , or both, of the plate-like end elements comprise a plurality, for example two , plate-like bodies aligned along the vertical axis V-V .
  • the inlet mouths and the outlet mouths 2110 , 2120 , 2210 , 2220 are obtained on said plate-like end elements 3 , 7 .
  • all the mouths 2110 , 2120 , 2210 , 2220 are obtained on the upper plate-like element 3 .
  • the exchange fluid inlet mouth 2210 and the exchange fluid outlet mouth 2220 are obtained on the upper plate-like element 3 , while the working fluid inlet mouth 2110 and the working fluid outlet mouth 2120 are obtained on the lower plate-like element 7 .
  • the intermediate plate-like elements 4 are specially shaped delimiting, in the stacking thereof between the upper plate-like element 3 and the lower plate-like element 7 , a working fluid region 21 , in which the working fluid flows , and an exchange fluid region 22 , in which the exchange fluid flows .
  • the intermediate plate-like elements 4 are obtained by means of mechanical molding, cutting and/or folding operations carried out from a sheet .
  • the intermediate plate-like elements 4 and the plate-like end elements 3 , 7 are made of aluminum alloy .
  • the working fluid region 21 comprises vertical working fluid segments 211 , 212 , of inlet and outlet , respectively, in fluidic communication with the working fluid inlet mouth 2110 and the working fluid outlet mouth 2120 , as well as transversal working fluid segments 213 .
  • the vertical working fluid segments 211 Preferably, the vertical working fluid segments 211 ,
  • 212 are aligned, along the vertical axis V-V, to the working fluid inlet mouth 2110 and to the working fluid outlet mouth 2120 , respectively .
  • the exchange fluid region 22 comprises vertical exchange fluid segments 221 , 222 , for inlet and outlet respectively, in fluidic communication with the exchange fluid inlet mouth 2210 and with the exchange fluid outlet mouth 2220 , as well as transversal exchange fluid segments 223 .
  • the vertical exchange fluid segments 221 , 222 are aligned, along the vertical axis V-V, to the exchange fluid inlet mouth 2210 and to the exchange fluid outlet mouth 2220 , respectively .
  • said transversal exchange fluid segments are aligned, along the vertical axis V-V, to the exchange fluid inlet mouth 2210 and to the exchange fluid outlet mouth 2220 , respectively .
  • the transversal exchange fluid segments 223 are positioned alternately with the transversal working fluid segments 213 .
  • the heat exchanger 1 comprises :
  • Said turbulators have the purpose of increasing the exchange surface available for the heat exchange and at the same time increasing the turbulence of the fluid circulating within each transversal segment .
  • the working fluid turbulator 5 and the exchange fluid turbulator 6 are respectively shaped to modi fy the flow direction of the working fluid in a di f ferent manner with respect to the modi fication of the flow direction of the exchange fluid .
  • the working fluid turbulator 5 is suitable for making the flow of the working fluid tortuous so as to greatly extend the flow time of the working fluid in the heat exchanger 1 with respect to the flow time of the exchange fluid in the heat exchanger 1 .
  • the working fluid turbulator 5 and the exchange fluid turbulator 6 have a wavy shape oriented with respect to the main circulation direction of the flow of working fluid and exchange fluid within the respective transversal segments 213 , 223 .
  • first elements 41 , second elements 42 , working fluid turbulators 5 and exchange fluid turbulators 6 are shaped with a unique shape coupling .
  • the working fluid turbulator 5 is only placeable in a transversal working fluid segment 213 . Speci fically, the working fluid turbulator 5 is placeable in a transversal working fluid segment 213 in a single position .
  • each working fluid turbulator 5 is placeable in a single position within the respective housing space identi fied by one of the transversal segments comprised in the plurality of transversal working fluid segments defined by the mutual stacking of the intermediate plate-like elements .
  • the exchange fluid turbulator 6 is only placeable in a transversal exchange fluid segment 223 . Speci fically, the exchange fluid turbulator 6 is placeable in a transversal exchange fluid segment 223 in a single position .
  • each exchange fluid turbulator 6 is placeable in a single position within the respective housing space identi fied by one of the transversal segments comprised in the plurality of transversal exchange fluid segments defined by the mutual stacking of the intermediate plate-like elements .
  • each intermediate plate-like element 4 comprises an inclined peripheral edge suitable for favoring the mutual stacking of intermediate plate-like elements .
  • the first element 41 comprises a first peripheral edge 418 .
  • the second element 42 comprises a second peripheral edge 428 .
  • each turbulator is uniquely placeable , so that the peripheral edges of two consecutive intermediate plate-li ke elements engage each other .
  • said mutual engagement between elements is tight .
  • said mutual tight engagement is obtained by means of the brazing process to which the intermediate plate-like elements are subj ected upon the coupling to the respective turbulators and the mutual stacking .
  • the transversal working fluid segments 213 have a different height with respect to the transversal exchange fluid segments 223.
  • the transversal working fluid segments 213 have a greater height than the transversal exchange fluid segments 223.
  • the turbulators are shaped to occupy the respective space in the best possible manner, therefore the working fluid turbulator 5 has a greater height than the exchange fluid turbulator 6.
  • the transversal working fluid segments 213 have a greater height than the transversal exchange fluid segments 223 by 20%.
  • the transversal working fluid segments 213 have a height between 2.2 millimeters and 2.6 millimeters, preferably equal to about 2.4 millimeters.
  • the transversal exchange fluid segments 223 have a height between 1.8 millimeters and 2.2 millimeters, preferably equal to about 2.0 millimeters.
  • the working fluid turbulator 5 and the exchange fluid turbulator 6 are shaped as a function of the pressure drop undergone by the respective fluid flowing in the transversal working fluid segments 213 and in the transversal exchange fluid segments 223 , respectively, so as to greatly modi fy the direction of the fluid subj ect to a lower pressure drop .
  • each first element 41 comprises first element portions protruding at the top 411 and first element portions protruding at the bottom 412
  • each second element 42 comprises second element portions protruding at the top 421 and second element portions protruding at the bottom 422 .
  • the working fluid turbulator 5 and the exchange fluid turbulator 6 are specially shaped to house said protruding elements .
  • the first element portions protruding at the top 411 and the first element portions protruding at the bottom 412 are alternating at least along the longitudinal axis X-X or along the transverse axis Y-Y .
  • the first element portions protruding at the top 411 and the first element portions protruding at the bottom 412 are alternating both along the longitudinal axis X-X and along the transverse axis Y-Y .
  • the second element portions protruding at the top 421 and the second element portions protruding at the bottom 422 are alternating at least along the longitudinal axis X-X or along the transverse axis Y-Y .
  • the second element portions protruding at the top 421 and the second element portions protruding at the bottom 422 are alternating both along the longitudinal axis X-X and along the transverse axis Y-Y .
  • the first element portions protruding at the top 411 face the second element portions protruding at the bottom 422 .
  • the first element portions protruding at the bottom 412 face the second element portions protruding at the top 421 .
  • the first element portions protruding at the top 411 engage the second element portions protruding at the bottom 422 .
  • said engagement is tight .
  • the first element portions protruding at the bottom 412 engage the second element portions protruding at the top 421 .
  • said engagement is tight .
  • said engagements allow to delimit and distinguish the working fluid region 21 and the exchange fluid region 22.
  • each intermediate plate-like element 4 comprises four openings 410a, 410b, 410c, 410d, 420a, 420b, 420c, 420d.
  • the alignment along the vertical axis V-V of said openings defines the vertical segments 211, 212, 221, 222.
  • At least two openings 410a, 410b, 410c, 410d, 420a, 420b, 420c, 420d have sections of different mutual shape.
  • said at least two openings 410a, 410b, 410c, 410d, 420a, 420b, 420c, 420d with sections of different mutual shape are openings intended for circulating the same fluid, preferably the exchange fluid .
  • At least one opening has an elongated section, for example slotted or elliptical, and the other opening has a circular section.
  • said openings therefore identify, in the alignment thereof, at least two vertical segments, of different shapes. Therefore, each turbulator is objectified in a unique position as a function of the position and shape of said openings, and therefore of said vertical segments.
  • three openings 410a, 410b, 410c, 410d, 420a, 420b, 420c, 420d have passage sections of different shape .
  • At least one opening has an elongated section, for example slotted or elliptical, while two openings have a circular section.
  • the openings with a circular section have respectively different diameters.
  • said openings therefore identify, in the alignment thereof, three vertical segments with different sections, two of which being vertical segments, for the inlet and outlet of the same fluid, of different shape. Therefore, each turbulator is objectified in a unique position as a function of the position and shape of said openings, and therefore of said vertical segments.
  • two openings 410b, 410d, 420b, 420d have a circular section and delimit, in the stacking of the intermediate plate-like elements 41, 42 vertical inlet and outlet segments for the same fluid, preferably for the working fluid.
  • a third opening 410c, 420d has, in turn, a circular shape, but with a section different from the other two.
  • the fourth opening 410a, 420a has an elliptical shape.
  • the third and fourth openings delimit , in the stacking of the intermediate plate-like elements 41 , 42 , vertical inlet and outlet segments for the same fluid, preferably for the exchange fluid .
  • the third and fourth openings have the same passage section .
  • the third and fourth openings have a larger passage section than the passage section of the first and second openings .
  • the protruding portions described above are the edges of said openings .
  • each intermediate plate-like element 4 is shaped to comprise , about each opening, at the edge , a respective protruding element with the features described above .
  • the working fluid turbulator 5 comprises working turbulator openings 50 , through which the respective protruding portions extend, thus defining the vertical working fluid segments .
  • the working fluid turbulator 5 comprises working turbulator openings 50 , through which the respective portions protruding at the top and at the bottom, provided on two adj acent intermediate plate-like elements , extend, thus defining at least one portion of the vertical working fluid inlet segments and of the vertical working fluid outlet segments within a transversal exchange fluid segment .
  • the exchange fluid turbulator 6 comprises exchange turbulator openings 60 , through which the respective protruding portions extend, thus defining the vertical exchange fluid segments .
  • the exchange fluid turbulator 6 comprises exchange turbulator openings 60 , through which the respective portions protruding at the top and at the bottom, provided on two adj acent intermediate plate-like elements , extend, thus defining at least one portion of the vertical exchange fluid inlet segments and of the vertical exchange fluid outlet segments within a transversal working fluid segment .
  • the working turbulator openings 50 and the exchange turbulator openings 60 are shaped to be coupled to the respective openings 410a, 410b, 410c, 410d, 420a, 420b, 420c, 420d so as to uniquely define the position of the working fluid turbulator 5 and of the exchange fluid turbulator 6 within the respective transversal segment .
  • the working turbulator openings 50 and the exchange turbulator openings 60 have a shape corresponding to that of the openings 410a, 410b, 410c, 410d, 420a, 420b, 420c, 420d .
  • the shape of the working turbulator openings 50 or of the exchange turbulator openings 60 are such as to receive said protruding portions .
  • the protruding edge portions of the opening with elongated section mutually engage in a centerline region defined between two intermediate plate-like elements .
  • said engagement is housed in the opening of a respective turbulator .
  • the protruding edge portions of the openings with circular section mutually engage by overlapping along the vertical axis V-V.
  • the coupling and stacking of plate-like end elements 3 , 7 , intermediate plate-like elements 4 , working fluid turbulators 5 and exchange fluid turbulators 6 are only and exclusively possible i f performed in the correct order and in the correct manner .
  • the turbulators are insertable into the respective housing in only one position : when inserting the turbulator in an incorrect position, the latter has the openings thereof misaligned or it appears to be li fted from the nominal installation position provided in the proj ect , since it interferes with a respective protruding portion which does not find the housing space necessary to allow the complete insertion of the turbulator into the intermediate plate-like element .
  • the lower plate-like end element 7 and/or the upper plate-like end element 3 comprises/comprise portions , protruding at the top or at the bottom, suitable for facilitating the correct positioning of the respective turbulator element in the transversal segment defined between the end element 3 , 7 and the adj acent intermediate plate-like element 4 .
  • said protruding portions formed on the plate-like end element are configured in the form of protrusions .
  • said protrusions are positioned at the opening with an elongated passage section .
  • FIG. 5 A preferred embodiment of said protrusions , in this case provided on the lower plate-like end element , is shown in Figure 5 .
  • Figure 5a shows how the position of said protrusions contributes to defining the unique positioning of the respective turbulator element in the speci fic housing space .
  • the platelike end elements 3 , 7 , the intermediate plate-like elements 4 , the working fluid turbulators 5 and the exchange fluid turbulators 6 are mutually j oined by means of a brazing operation, preferably in a vacuum furnace .
  • the heat exchanger 1 comprises at least one connection member 8 operatively connected to at least one plate-like end element 3 , 7 at least one fluid inlet or outlet mouth .
  • connection member 8 is engageable by a respective duct for the fluid connection of the heat exchanger 1 .
  • the heat exchanger 1 comprises a respective connection member 8 .
  • the plate-like end element 3 , 7 in correspondence with at least one mouth comprises a protruding connection collar 38 being engageable by the respective connection member 8 .
  • connection member 8 , the plate-like end elements 3 , 7 , the intermediate plate-like elements 4 , the working fluid turbulators 5 and the exchange fluid turbulators 6 are mutually j oined each other by means of a single brazing operation, preferably in a vacuum furnace .
  • the heat exchanger largely achieves the purpose of the present invention, overcoming issues which are typical of the prior art .
  • the heat exchanger has fluidic passages suitable for making the heat exchange particularly ef ficient , but at the same time it has simpli fied manufacturing and assembly operations .
  • the plate-like elements and the turbulators comprised in the heat exchanger are assemblable with a reliable assembly sequence suitable for ensuring the correct positioning of the turbulators within the respective transversal segments and the mutual connection of the components included in the exchanger by brazing .
  • the stacking of plate-like elements and turbulators is possible in a certain order .
  • any attempt by an operator to proceed with a stacking order di f ferent from the pre-set one is prevented : advantageously, plate-like elements and/or turbulators inserted in the wrong manner are not stackable but remain mutually raised .
  • the heat exchanger has speci fic turbulators for the physical features of the fluid, for example the viscosity thereof , and/or for the features of the flow, for example the pressure drop .
  • speci fic turbulators are speci fically placeable to be uniquely used for the intended purpose .
  • vertical segments of di f ferent section and shape are used to uniquely obj ecti fy the position of the working turbulators and of the exchange turbulators within the respective housing spaces .
  • the heat exchanger in case of an incorrect arrangement of the components , the heat exchanger is not correctly assemblable by means of the subsequent brazing process .
  • the heat exchanger has improved manufacturing and assembly, thus having a lower cost .
  • the heat exchanger is a single component .
  • the recognition solutions described for the intermediate plate-like elements suitable for delimiting the transversal segments comprised the edges of the openings , can be easily reversed between elements for the working fluid and elements for the exchange fluid according to the operating needs .

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un échangeur de chaleur (1) comprenant une bouche d'entrée de fluide de travail (2110) et une bouche de sortie de fluide de travail (2120), ainsi qu'une bouche d'entrée de fluide d'échange (2210) et une bouche de sortie de fluide d'échange (2220). En outre, l'échangeur de chaleur (1) comprend : des éléments d'extrémité en forme de plaque (3, 7) sur lesquels se trouvent les bouches (2110, 2120, 2210, 2220) ; plusieurs éléments intermédiaires en forme de plaque (4), empilés dans le sens axial entre les éléments d'extrémité en forme de plaque (3, 7), comprenant des premiers éléments (41) et des seconds éléments (42) qui alternent dans le sens axial. Les éléments intermédiaires en forme de plaque (4) sont spécialement formés pour délimiter une région de fluide de travail (21), comprenant des segments de fluide de travail verticaux (211, 212) en communication fluidique avec la bouche d'entrée de fluide de travail (2110) et la bouche de sortie de fluide de travail (2120), et des segments transversaux de fluide de travail (213), et une région de fluide d'échange (22), comprenant des segments de fluide d'échange verticaux (221, 222) en communication fluidique avec la bouche d'entrée de fluide d'échange (2210) et la bouche de sortie de fluide d'échange (2220), et des segments transversaux de fluide d'échange (223) ; lesdits segments transversaux de fluide d'échange (223) sont positionnés de manière à être alternés avec les segments transversaux de fluide de travail (213). En outre, l'échangeur de chaleur (1) comprend une pluralité de turbulateurs de fluide de travail (5) et une pluralité de turbulateurs de fluide d'échange (6). Lesdits premiers éléments (41), seconds éléments (42), turbulateurs de fluide de travail (5) et turbulateurs de fluide d'échange (6) sont formés avec un accouplement de forme unique de sorte que chaque turbulateur de fluide de travail (5) ne peut être placé que dans un segment transversal respectif de fluide de travail (213) et que chaque turbulateur de fluide d'échange (6) ne peut être placé que dans un segment transversal respectif de fluide d'échange (223).
PCT/IB2023/060151 2022-10-12 2023-10-10 Échangeur de chaleur WO2024079615A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT202200021051 2022-10-12
IT102022000021051 2022-10-12

Publications (1)

Publication Number Publication Date
WO2024079615A1 true WO2024079615A1 (fr) 2024-04-18

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PCT/IB2023/060151 WO2024079615A1 (fr) 2022-10-12 2023-10-10 Échangeur de chaleur

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000046564A1 (fr) * 1999-02-05 2000-08-10 Long Manufacturing Ltd. Echangeurs thermiques formant automatiquement une enceinte
US20070130990A1 (en) * 2005-12-13 2007-06-14 Luciano Bellemo Dryer for humid compressed gases
EP2998676A1 (fr) * 2014-09-17 2016-03-23 VALEO AUTOSYSTEMY Sp. Z. o.o. Échangeur de chaleur, notamment un condensateur
US20190063846A1 (en) * 2017-08-31 2019-02-28 Dana Canada Corporation Multi-Fluid Heat Exchanger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000046564A1 (fr) * 1999-02-05 2000-08-10 Long Manufacturing Ltd. Echangeurs thermiques formant automatiquement une enceinte
US20070130990A1 (en) * 2005-12-13 2007-06-14 Luciano Bellemo Dryer for humid compressed gases
EP2998676A1 (fr) * 2014-09-17 2016-03-23 VALEO AUTOSYSTEMY Sp. Z. o.o. Échangeur de chaleur, notamment un condensateur
US20190063846A1 (en) * 2017-08-31 2019-02-28 Dana Canada Corporation Multi-Fluid Heat Exchanger

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