WO2016146296A1 - Echangeur de chaleur, notamment refroidisseur d'huile pour un moteur a combustion interne - Google Patents

Echangeur de chaleur, notamment refroidisseur d'huile pour un moteur a combustion interne Download PDF

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Publication number
WO2016146296A1
WO2016146296A1 PCT/EP2016/051939 EP2016051939W WO2016146296A1 WO 2016146296 A1 WO2016146296 A1 WO 2016146296A1 EP 2016051939 W EP2016051939 W EP 2016051939W WO 2016146296 A1 WO2016146296 A1 WO 2016146296A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
fluid
tubular body
exchanger according
paths
Prior art date
Application number
PCT/EP2016/051939
Other languages
German (de)
English (en)
Inventor
Tobias Fetzer
Wilhelm Grauer
Boris Kerler
Marco Renz
Volker Velte
Original Assignee
Mahle International Gmbh
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 Mahle International Gmbh filed Critical Mahle International Gmbh
Publication of WO2016146296A1 publication Critical patent/WO2016146296A1/fr

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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
    • 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
    • F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • 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
    • 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
    • F28D1/0366—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 spaced plates with inserted elements
    • F28D1/0375—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 spaced plates with inserted elements the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
    • 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
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
    • F28F9/0214—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only longitudinal partitions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F28F2215/06—Hollow fins; fins with internal circuits

Definitions

  • Heat exchanger in particular for a waste heat utilization device
  • the present invention relates to a heat exchanger, in particular for a waste heat utilization device, and a waste heat utilization device with such a heat exchanger.
  • Heat exchangers are used as cooling systems in motor vehicles in order to cool the fresh air charged by means of an exhaust gas turbocharger in a fresh air system cooperating with the internal combustion engine of the motor vehicle.
  • the fresh air to be cooled ie a gas
  • the heat exchanger is introduced into the heat exchanger, where it thermally interacts with a fluid in the form of a likewise introduced into the heat exchanger coolant and emits heat in this way to the coolant.
  • charge air cooler Conversely, however, heat exchangers can also be used to cool a liquid coolant by means of a gas. Such heat exchangers are referred to as coolant coolers.
  • Such a heat exchanger may for example be designed as a plate heat exchanger and having a plurality of tubular bodies, which are typically stacked in a stacking direction, wherein between the plates of a tubular body, a coolant path is formed through which the coolant is passed.
  • the medium to be cooled such as the fresh air charged in an exhaust gas turbocharger
  • rib structures can additionally be provided between adjacent tubular bodies which increase the interaction area of the tubular bodies available for the thermal interaction.
  • the basic idea of the invention is accordingly to equip the heat exchanger with a plurality of connection paths, which in each case fluidly connect at least two tubular bodies adjacent in the stacking direction.
  • the introduced into the tubular body of the heat exchanger fluid typically a coolant, particularly evenly distributed to the individual tubular body and are collected again after flowing through and the associated heat exchange with the gas to be cooled.
  • a heat exchanger realized as a charge air cooler
  • a heat exchanger comprises a plurality of fluid paths for flowing through with a fluid.
  • Each fluid path is at least partially bounded by a tubular body.
  • the tubular bodies extend along a tube extension direction and are stacked along a stacking direction.
  • the tube extension direction and the stacking direction may preferably be orthogonal to one another.
  • a gap which is present between two tubular bodies adjacent in the stacking direction, in each case a gas path for flowing through with a gas along a gas flow direction is formed.
  • the gas flow direction is according to the invention orthogonal to the tubular body extension direction.
  • the fluid can flow in the opposite direction to the gas flow direction through the individual tubular body, along which the gas flows through the gas paths formed between the tubular bodies.
  • gas throughflow direction is understood to mean the direction along which the gas flows through the heat exchanger while it thermally interacts with the fluid.And it is understood that a portion of the gas flowing through the heat exchanger also extends in one direction in sections This may be the case, for example, when flow vortices are formed in the gas flow, ie the gas flow direction is a main flow direction of the gas flowing through the heat exchanger, which can vary locally applies to the fluid flowing through the tubular body.
  • Essential to the invention is a plurality of connection paths, which in each case fluidly connect at least two tube bodies which are adjacent in the stacking direction.
  • the heat exchanger has at least one fluid inlet for distributing the fluid to the fluid paths and at least one fluid outlet for discharging the fluid from the heat exchanger after flowing through the fluid paths.
  • the heat exchanger is delimited along the stacking direction by a first tubular body and a second tubular body opposite the first tubular body in the stacking direction.
  • the first tubular body has a first fluid distributor which is fluidically connected to the fluid inlet and a first fluid collector which is fluidically connected to the fluid outlet.
  • the second tubular body has a second fluid distributor which is fluidically connected to the fluid inlet and a second fluid collector which is fluidically connected to the fluid outlet.
  • the first fluid distributor can be fluidly separated from the first fluid collector by means of a partition wall formed on the first tubular body.
  • the second fluid distributor can be fluidly separated from the second fluid collector by means of a second partition wall formed on the second tubular body.
  • the fluid inlet and the fluid outlet are arranged in a common housing wall delimiting the heat exchanger in the pipe body extension direction.
  • exactly two fluid inlets are present, which are present in the housing wall at opposite to the stacking direction wall ends.
  • exactly two fluid outlets are available. These are arranged in the housing wall with respect to the stacking direction opposite wall ends.
  • a particularly uniform spatial distribution of the fluid to the individual tubular body of the heat exchanger and a related, particularly homogeneous heat exchange between fluid and gas is achieved when at least one connection path fluidly interconnects all existing in the heat exchanger tubular body. Particularly preferably, this measure can be realized for all existing in the heat exchanger fluid paths.
  • connection paths can be formed as connecting tube bodies extending along the stacking direction, each having a first pipe mouth and a second pipe mouth opposite the first pipe mouth.
  • the tubular body extending direction along a longitudinal direction of the tubular body and the gas flow direction orthogonal thereto along a transverse direction of the tubular body.
  • the connecting pipe body are arranged at two opposite in gas flow direction transverse ends of the tubular body.
  • the longitudinal direction is defined by a longitudinal side of the tubular body and the transverse direction by a transverse side of the tubular body.
  • a plurality of turbulence generating elements in at least one tubular body on a tube body which limits this tubular body in the stacking direction Wall formed a plurality of turbulence generating elements.
  • the turbulence-generating elements project from this tubular body wall into the fluid path delimited by the tubular body.
  • turbulent flows can be generated in the fluid flowing through the fluid paths, which effects an improved heat exchange of the fluid with the gas flowing through the gas paths. Therefore, all tubular bodies of the heat exchanger are particularly preferably provided with such turbulence generation elements.
  • each raster line includes at least two turbulence generating elements and extends along the gas flow direction. At least two raster lines in the tube body extension direction are adjacent and spaced from one another.
  • the turbulence-generating elements of two adjacent in the tube body extension direction raster lines in the gas flow direction are offset from one another. In this way it is achieved that the fluid when flowing through the tubular body meets at least one turbulence generating element before it leaves again.
  • at least one (first) connection path is arranged at a first transverse end of the tubular body.
  • at least one (second) connection path is arranged at a second transverse end. The second transverse end lies opposite the first transverse end in the gas flow direction of the tubular body, in particular in the transverse direction of the tubular body.
  • connection paths are present either at the first transverse end or at the second transverse end.
  • the fluid can be uniformly introduced along the tube extension direction at the first transverse end into the tube body and discharged at the second transverse end opposite the first transverse end again from the tube bodies.
  • a first number of first connection paths are arranged at the first transverse end. Accordingly, a second number of second connection paths are arranged at the second transverse end.
  • the first number of connection paths substantially, preferably exactly, corresponds to the second number of connection paths. In this way, a particularly uniform flow through the tubular body can be achieved.
  • a heat exchanger with the above-described features according to the invention - including the preceding optional features - can be produced in a particularly simple manner and with particularly low production costs in series production by using an additive manufacturing method.
  • additive production process encompasses all production processes which produce the component directly from a computer mouse. dell out layer by layer. Such production processes are also known by the name “rapid forming”.
  • Rapid Forming is understood to mean, in particular, production processes for the rapid and flexible production of components by means of tool-free production directly from CAD data.
  • the use of an additive manufacturing method allows the production of the heat exchanger according to the invention in a simple and flexible manner.
  • the additive manufacturing process may include laser melting.
  • a laser melting process is used to manufacture the heat exchanger.
  • the heat exchanger can be produced directly from 3D CAD data. Basically, the heat exchanger during the laser melting tool-free and layered based on the three-dimensional CAD model associated with the heat exchanger.
  • the heat exchanger may be integrally formed.
  • Such a one-piece design is formed in particular when using the above-proposed additive manufacturing process, in particular laser melting.
  • a one-piece design of the heat exchanger eliminates the very costly and therefore costly attaching the individual components of the heat exchanger together.
  • the cohesive fastening of the individual connecting tubular body to the tubular bodies can be omitted.
  • the invention further relates to a waste heat utilization device with a previously presented heat exchanger.
  • FIG. 1 shows an example of a heat exchanger according to the invention in a perspective view
  • FIG. 2.3 is an enlarged fragmentary view of the heat exchanger of FIG. 1.
  • FIG. 1 shows a perspective illustration of an example of a heat exchanger 1 according to the invention. Below it is assumed that this is used as intercooler. It is understood that the heat exchanger 1 but can also be used as a coolant cooler.
  • the heat exchanger 1 comprises a plurality of fluid paths 2 for flowing through a fluid, for example a coolant. Each fluid path 2 is at least partially bounded by a tubular body 3.
  • the tubular bodies 3 extend along a tube extension direction E and are stacked along a stacking direction S. Through a gap 4, which is present between two adjacent in the stacking direction S tubular bodies 3, a respective gas path 5 for flowing through a gas, for example air, along a gas flow direction G is formed.
  • a rib structure 24 may be provided, so be present. At the rib structure 24 adjacent tubular body 3 are based in the stacking direction S. By means of the rib structures 24, the effective, available for the heat exchange interaction surface of the tubular body 3 is increased. This leads to a further improvement in the efficiency of the heat exchanger 1. As can be seen from FIG. 1, the spaces 4 for introducing and removing the gas are designed to be open at opposite ends of the heat exchanger 1 along the gas flow direction G. Through these openings, the gas in the interstices 4 and 5 gas paths are switched on and discharged again.
  • the tubular body extension direction E may correspond to a longitudinal direction L of the tubular body 3, which is defined by a longitudinal side 17 of the tubular body 3 - defined in a section perpendicular to the stacking direction S of the tubular body 3.
  • the gas flow direction G, the tube body extension direction E and the stacking direction S in the example scenario each extend orthogonal to one another.
  • connection paths 6 which each fluidically miteinan at least two adjacent in the stacking direction tubular body 3 the connect.
  • each of the connection paths 6 connects each tube body 3 with each other.
  • FIG. 2 shows a lower part of the heat exchanger 1 of FIG. 1 with respect to the stacking direction S in a partial view.
  • the connecting paths 6 are realized as connection tube bodies 10 extending along the stacking direction S, each of which can have a first tube mouth 7a and a second tube mouth 7b opposite the first tube mouth 7a.
  • the connecting pipe bodies 10 are arranged at two transverse ends 16a, 16b of the tubular body 3 which are located in the gas flow direction G, ie the transverse direction Q, opposite the transverse direction.
  • the gas flow direction G corresponds in the example of a transverse direction Q of the tubular body 3, defined in a section of the tubular body 3 perpendicular to the stacking direction S.
  • the transverse direction Q is in turn defined by a transverse side 18 of the tubular body 3 and extends in the example perpendicular to the longitudinal direction L.
  • the heat exchanger 1 has at least one fluid inlet 8 for distributing the fluid to the fluid paths 2 or tubular body 3 and at least one fluid outlet 9 for discharging the fluid from the heat exchanger 1 after flowing through the fluid paths 2.
  • the heat exchanger 1 is bounded along the stacking direction S by a first tubular body 3a and a second tubular body 3b opposite the first tubular body 3b in the stacking direction S.
  • the first tubular body 3a has a first fluid distributor 11a connected fluidically to the fluid inlet 8 and a first fluid collector 12a fluidically connected to the fluid outlet 9.
  • the second tubular body 3b has a second fluid distributor 11b which is fluidically connected to the fluid inlet 8 and a second fluid collector 12b which is fluidically connected to the fluid outlet 9.
  • the first fluid distributor 11a is formed by means of a first tube body 3a Partition 13a fluidly separated from the first fluid collector 12a.
  • the second fluid distributor 11b is fluidically separated from the second fluid collector 12b by means of a second partition wall 13b formed on the second tubular body 3b.
  • the two dividing walls 13a, 13b which are not actually visible in the illustration of FIGS. 1 and 2, are indicated in these figures for clarity in a dashed representation.
  • the fluid supplied to the heat exchanger 1 via the fluid inlet 8 can be evenly distributed to the individual tubular bodies 3 without expensive supply lines.
  • the distribution of the fluid to the individual tubular body 3 is done by means of extending in the stacking direction S connecting paths 6 and connecting pipe body 10.
  • the fluid after flowing through the tubular body 3 and there heat exchange with the Gas - without a complex discharge system would be required - collected directly from the tubular bodies 3 and derived from the heat exchanger 1. Also, the collection of the fluid from the tubular bodies 3 takes place with the aid of the connecting paths 6.
  • the fluid thus flows within a tubular body 3 in the opposite direction to the gas flow direction G through the individual tubular bodies 3 (see arrows 22 in Figure 2), i.
  • the gas G flows substantially at a 180 ° angle relative to the fluid through the interspaces 4 or through the gas paths 5.
  • gas throughflow direction is understood to mean the direction along which the gas passes through the gas paths 5 of the heat exchanger 1 flows while it is in thermal interaction with the fluid. It is understood that a portion of the gas flowing through the heat exchanger 1 can also flow in sections in a direction which deviates from the gas flow direction G. This may be the case, for example, when flow vortices form in the gas flow. In the gas flow direction G is thus a main flow direction of the gas flowing through the heat exchanger, which can vary locally. The same applies mutatis mutandis for the fluid flowing through the heat exchanger.
  • the fluid inlet 8 and the fluid outlet 9 are arranged in a housing wall 14 delimiting the heat exchanger 1 in the direction of the tube body extension E. 1 shows that the heat exchanger 1 can have not only a single but two fluid inlets 8, which are provided in the housing wall 14 with respect to the stacking direction S opposite wall ends 15a, 15b. Accordingly, two fluid outlets 9 are also present. These are arranged as shown in Figure 1 in the housing wall 14 with respect to the stacking direction S opposite wall ends 15a, 15b.
  • connection paths 6 are arranged at a distance from one another along the tube body extension direction E or the longitudinal direction L of the tube body 3.
  • connection paths 6 or the connecting tube bodies 10 either at a transverse end Qa, and thus also the gas flow direction G, of the first transverse end 16a of the tube body 3 or in the transverse direction Qa first transverse end 16a or gas flow direction G opposite second Transverse end 16b arranged.
  • the connecting paths 6 arranged at the first transverse end 16a are referred to below as “first connecting paths” 6, the connecting paths arranged at the second transverse end 16b as "second connecting paths" 6.
  • the heat exchanger 1 has the same number of first and Second connection paths 6.
  • the arranged at the first transverse end 16a connecting Rohrkorper 10 open with their first pipe mouths 7a in the first fluid manifold 1 1 a and with their second pipe mouths 7b in the second fluid manifold 1 1 b.
  • the connecting tube bodies 10 arranged at the second transverse end 16b open with their first tube openings 7a in the first fluid collector 12a and with their second tube openings 7b in the second fluid collector 12b.
  • 10 breakthroughs can be formed in the connecting tubular bodies (not shown ).
  • the connecting Rohrkorper 10 may be interrupted in the region of the tubular body 3. The latter variant is particularly useful when the heat exchanger 1 is formed in one piece, as may be true in a production of the heat exchanger 1 using an additive manufacturing process.
  • FIG. 2 shows a partial view of Figure 1, but differs from Figure 2 in that the heat exchanger 1 is shown in the partial view of Figure 3 with respect to Figure 1 "cut off" within a tubular body 3.
  • a plurality of turbulence-generating elements 20 are formed in a tubular body 3 'on a tubular body wall 19 bordering this tubular body 3' in the stacking direction S.
  • Such turbulence-generating elements 20 20 can also be used in all other tubular bodies 3 with the exception of the first and second tubular body 3a, 3b be present.
  • the turbulence generating elements 20 project from this tubular body wall 19 into the fluid path 2 bounded by the tubular body.
  • turbulent flows are generated in the fluid flowing through the fluid paths 2. These cause an improved heat exchange of the fluid with the gas flowing through the gas paths 5 gas.
  • the plurality of turbulence-generating elements 20 can be arranged with a plurality of raster lines 21 in a raster-like manner with respect to a plan view of the tubular body wall 19 of the tubular bodies 3 ', 3 in the stacking direction S.
  • each raster line 21 comprises at least two turbulence generating elements 20 and extends along the gas flow direction G.
  • the individual raster lines 21 in the tubular body extension direction E are adjacent and spaced from one another.
  • the turbulence generating elements 20 of two adjacent in the pipe body extension direction E raster lines 21 as shown in Figure 3 in the gas flow direction G offset from one another.
  • Particularly pronounced turbulence effects in the fluid flowing through the tubular bodies 3 and impinging on the turbulence generating elements 20 can be generated when the turbulence generating elements 20 have a curved geometric shape with respect to a plan view of the tubular body wall 19 in the stacking direction S.
  • the turbulence generating elements 20 By means of the turbulence generating elements 20, the fluid flowing in opposite direction to the direction of gas flow through the tubular body 3 is deflected laterally, ie towards the tubular body extension direction E.
  • the fluid that is to say typically a coolant, passes through one of the two fluid inlets 8 into the heat exchanger 1 and via the respective fluid inlet 8 associated first or second fluid distributor 1 1 a, 1 1 b by means of the stacking direction
  • the fluid entering the first or second fluid distributor 11a, 11b is arranged via the connecting paths formed on the first transverse end 16a and formed by the connecting tube bodies 10
  • the tubular bodies 3 are flowed through by the fluid along the gas flow direction G, which also runs parallel to the transverse direction Q, at least in the example of the figures.
  • the fluid is received by the arranged at the second transverse end 16b, formed by the connecting tubular bodies 10 connecting paths and passes from there into one of the two fluid collector 12a, 12b.
  • the fluid is discharged from the heat exchanger 1 again via the fluid outlet 9 assigned to the respective fluid collector 12a, 12b.
  • the above-discussed heat exchanger 1 with the above-described inventive features - including the preceding optional features - can be produced in a particularly simple manner and with particularly low manufacturing costs in series production by using an additive manufacturing process.
  • the additive manufacturing process may include laser melting.
  • a laser melting process is used to manufacture the heat exchanger.
  • the heat exchanger 1 with its various components can be produced directly from 3D CAD data.
  • the heat exchanger 1 is produced without tools during the laser melting and in layers on the basis of the three-dimensional CAD model assigned to the heat exchanger 1.
  • the use of an additive manufacturing method, in particular laser melting simplifies the manufacture of the heat exchanger 1 with its opposite conventional heat exchangers complicated geometry.
  • an additive manufacturing method allows the individual components of the heat exchanger 1, such as the tubular body 3 including the connecting tubular body 10, the rib structures 24, the fluid distributor 11a, 1 1 b and the fluid collector 12a, 12b, etc. as a CAD model to define and manufacture directly from such a CAD model out.
  • the heat exchanger 1 can be formed in one piece.
  • Such a one-piece design is formed in particular when using an additive manufacturing process, in particular laser melting.
  • By means of a one-piece design of the heat exchanger 1 eliminates the very costly and therefore costly attaching the individual components of the heat exchanger together. In particular, the cohesive fastening of the individual connecting tubular body 10 to the tubular bodies 3 is eliminated.

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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), en particulier pour un dispositif de récupération de chaleur perdue, qui comporte une pluralité de chemins fluidiques (2) destinés à être parcourus par un fluide. chaque chemin fluidique (2) étant délimité au moins en partie par un corps tubulaire (3), les corps tubulaires (3) s'étendant dans une direction d'extension tubulaire (E) et étant disposés empilés les uns sur les autres dans une direction d'empilement, (S) un chemin de gaz (7) destiné à être parcouru par un gaz dans une direction d'écoulement gazeux (G) étant formé dans chaque cas par un espace intermédiaire (6) situé entre deux corps tubulaires (3) adjacents dans la direction d'empilement (S), la direction d'écoulement gazeux (G) s'étendant orthogonalement à la direction d'extension des corps tubulaires (E), l'échangeur de chaleur comprenant une pluralité de chemins de liaison (6) qui relient dans chaque cas par liaison fluidique au moins deux corps tubulaires (3) adjacents dans la direction d'empilement (S).
PCT/EP2016/051939 2015-03-19 2016-01-29 Echangeur de chaleur, notamment refroidisseur d'huile pour un moteur a combustion interne WO2016146296A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015204984.1 2015-03-19
DE102015204984.1A DE102015204984A1 (de) 2015-03-19 2015-03-19 Wärmetauscher, insbesondere für eine Abwärmenutzungseinrichtung

Publications (1)

Publication Number Publication Date
WO2016146296A1 true WO2016146296A1 (fr) 2016-09-22

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DE (1) DE102015204984A1 (fr)
WO (1) WO2016146296A1 (fr)

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CN108044925A (zh) * 2017-11-08 2018-05-18 佛山科学技术学院 3d打印双管程换热器教学模型的制造方法
WO2019008697A1 (fr) * 2017-07-05 2019-01-10 三菱電機株式会社 Échangeur de chaleur, dispositif à cycle de réfrigération et procédé de fabrication d'un échangeur de chaleur
CN110500902A (zh) * 2018-05-18 2019-11-26 马勒国际有限公司 用于内燃机的热交换器，特别是增压空气冷却器

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CN110500902A (zh) * 2018-05-18 2019-11-26 马勒国际有限公司 用于内燃机的热交换器，特别是增压空气冷却器
CN110500902B (zh) * 2018-05-18 2022-08-05 马勒国际有限公司 用于内燃机的热交换器，特别是增压空气冷却器

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