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EP2886991B1 - Caloporteur - Google Patents

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Publication number
EP2886991B1
EP2886991B1 EP14196355.3A EP14196355A EP2886991B1 EP 2886991 B1 EP2886991 B1 EP 2886991B1 EP 14196355 A EP14196355 A EP 14196355A EP 2886991 B1 EP2886991 B1 EP 2886991B1
Authority
EP
European Patent Office
Prior art keywords
housing
seal
heat exchanger
fluid
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.)
Not-in-force
Application number
EP14196355.3A
Other languages
German (de)
English (en)
Other versions
EP2886991A1 (fr
Inventor
Albrecht Siegel
Simon HUND
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr GmbH and Co KG
Original Assignee
Mahle Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Mahle Behr GmbH and Co KG
Publication of EP2886991A1 publication Critical patent/EP2886991A1/fr
Application granted granted Critical
Publication of EP2886991B1 publication Critical patent/EP2886991B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F28D7/16—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 being arranged in parallel spaced relation
    • 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
    • F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
    • 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
    • F28F9/0229—Double end plates; Single end plates with hollow spaces
    • 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
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
    • 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
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • 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
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers
    • 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
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2230/00—Sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
    • F28F2255/14—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded
    • F28F2255/143—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded injection molded

Definitions

  • the present invention relates to a heat exchanger for vehicle applications.
  • the invention also relates to an internal combustion engine equipped with such a heat exchanger.
  • Such a heat exchanger may usually comprise a housing which encloses a tube block formed with or from a plurality of parallel tubes, wherein a first fluid path is formed within the tube block for a first fluid, while outside of the tube block and within the housing a tube bypassing the tube block second fluid path is formed for a second fluid.
  • a tube block can also be referred to as a tube bundle or tube arrangement.
  • the housing has at least two housing openings for the first fluid, wherein the first fluid enters through the one housing opening into the first fluid path, while it exits through the other housing opening from the first fluid path again. At least one of these housing openings is enclosed with a seal. With the help of this seal is in the installed state of the heat exchanger, the housing opposite a connection pipe sealed by the first fluid is supplied to the housing and discharged from the housing.
  • the housing with a flange-like opening edge which encloses the housing opening and into which an axially open, closed circumferential sealing groove is machined, into which the seal is inserted in the form of a separate component.
  • the seal protrudes axially beyond the opening edge, so that in the mounted state it comes to rest in an axially sealing manner against a flange-like contact surface of the respective connection pipe that fits the opening edge. It has been found that, depending on the sealing material, the insertion of the seal for the assembly is comparatively complicated.
  • a heat exchanger which can be attached via a base plate to an engine block of an internal combustion engine. Through the base plate lead supply channels. The supply channels are enclosed by a circumferential sealing groove. Instead of a separate seal that must be inserted into the sealing groove, the seal is injected directly into the sealing groove in the known heat exchanger.
  • the sealing plate consists of a sealing material and is shaped complementary to the connection flange.
  • the connecting flange can be attached via a sealing plate to a cylinder head of an internal combustion engine.
  • the sealing plate consists of a metallic body to which the required seals are molded.
  • a metallic flat gasket is known which consists of a metal plate and sealing elements molded onto it.
  • DE-A-102009049483 discloses a heat exchanger with a seal which is molded onto a seal carrier, which is attached to a housing opening enclosing the opening edge of the housing.
  • DE-A-102008018594 discloses a heat exchanger according to the preamble of claim 1.
  • the present invention is concerned with the problem of specifying for a heat exchanger of the type mentioned or for an internal combustion engine equipped therewith an improved embodiment, which is characterized in particular by a simplified production. In addition, it is desirable to improve the heat transfer performance of the heat exchanger.
  • the problem underlying the invention is solved by the subject matter of the independent claim.
  • Advantageous embodiments are the subject of the dependent claims.
  • the invention is based on the general idea to inject the seal on a seal carrier, which represents a separate component with respect to the housing and which is attached to an opening edge of the housing enclosing the housing opening.
  • a seal carrier which represents a separate component with respect to the housing and which is attached to an opening edge of the housing enclosing the housing opening.
  • the seal on an inner side facing the housing, an inner sealing region, at on the housing mounted seal carrier sealingly cooperates with the opening edge, and on an outer side facing away from the housing have an outer sealing region, which cooperates sealingly in the installed state of the heat exchanger, for example, with the aforementioned connection pipe.
  • two separate sealing areas are defined in order to effect a reliable sealing of the housing relative to the respective body, to which the housing is mounted in the installed state or which is mounted in the installed state to the housing.
  • said body is the aforementioned connection pipe.
  • the seal carrier may have a circumferential along the housing opening support web, to which the seal is molded, wherein the support web has a plurality of axial openings through which the inner sealing region is connected to the outer sealing area of the same material.
  • the injection of the seal is performed so that the sealing material passes through the openings and integrally forms the two sealing regions on both sides of the support web. Accordingly, the two sealing regions are formed of the same material from a single piece. This simplifies on the one hand the production of the two sealing regions on the seal carrier. On the other hand, thereby the seal is positively fixed to the seal carrier.
  • the seal carrier in the profile may have a step whose inner edge is covered by the seal. If the seal carrier has an inner sealing region and an outer sealing region, the step is provided at least at the inner sealing region. Optionally, a further step may also be provided in the outer sealing region.
  • the opening edge of the housing may have an outer edge which engages in said step and sealing with the seal interacts.
  • the opening edge in profile may have a step into which the seal carrier is inserted, such that the seal seals axially with the step.
  • the seal then acts as an axial seal. Due to the step on the housing, the seal carrier can be placed sunk on the housing.
  • the housing has an opening edge bordering the step, in which case the seal carrier is inserted into the step, that the more inner outer edge cooperates with the respective seal, which is arranged on the seal carrier in a corresponding stage ,
  • the seal carrier may have a flow guide structure which projects into the second fluid path and generates a flow conduction for the second fluid during operation of the heat exchanger.
  • This design gives the seal carrier an additional function.
  • the flow through the second fluid path can be improved in order to support the heat transfer between the first fluid.
  • the efficiency of the heat exchanger can be improved with the aid of the flow guide structure.
  • the flow guide structure can be formed integrally on the seal carrier.
  • the seal carrier and the Strömungsleit Jardin are made of the same material from a single piece.
  • the seal is then molded onto the seal carrier with flow-guiding structure. This simplifies the production of the seal carrier with flow guidance.
  • the housing can have a fluid connection for the second fluid, which is fluidically connected to the second fluid path, proximal to the housing opening, wherein the flow guidance structure is arranged in the region of this fluid connection.
  • the flow guiding structure can improve the flow from the housing into the fluid connection or the flow from the fluid connection into the housing.
  • the flow through the second fluid path is influenced essentially exclusively in the area of this fluid connection.
  • the flow guide structure is designed so that it acts as a thermal protection, for example, to avoid a so-called “hot spot” or a “cold spot” in the heat exchanger.
  • the flow guiding structure can have a flow divider which, during operation of the heat exchanger, divides a flow of the second fluid into at least two partial flows which flow around the tube block at sides facing away from one another.
  • the heat exchanger can be used as a charge air cooler, such that the first fluid is the charge air to be cooled, while the second fluid is a cooling coolant.
  • the housing may be made of plastic.
  • the seal carrier can be made of a plastic.
  • the heat exchanger can be used as an exhaust gas cooler, in particular as an exhaust gas recirculation cooler, such that the first fluid is the exhaust gas to be cooled, while the second fluid is a cooling coolant.
  • a coolant in this case, for example, a working fluid of a waste heat recovery circuit into consideration, the exhaust gas cooler within the waste heat recovery circuit serves as a preheater or as an evaporator or as a superheater. Due to the higher temperatures of the exhaust gases of an internal combustion engine, in this case the housing may preferably be made of a metal. Also, the seal carrier may be made of a metal in this case.
  • a simple manufacturability results when the tube block at longitudinal ends of the housing has an end bottom, which is penetrated in each case by all tubes and is tightly and firmly connected to all tubes, wherein at least one of the end floors with a side facing the other end floor on the housing axially is applied.
  • the respective seal seals the respective end floor from the housing.
  • an embodiment in which the two end bottoms rest on the sides facing one another axially on the housing is preferred.
  • the housing and / or the seal carrier are made of a plastic and if the respective end floor and the pipes are made of an iron alloy or a light metal alloy.
  • the housing and the seal carrier are made of a light metal alloy and that the respective end floor and the tubes are made of an iron alloy or a light metal alloy.
  • the material combinations presented here simplify the attachment of the respective end floor to the pipes, e.g. by means of a laser welding process, when the respective end floor already rests against the housing and the seal carrier is already arranged between the housing and the respective end floor.
  • An internal combustion engine according to the invention which can be used in particular in a motor vehicle, comprises a fresh air system for supplying fresh air to combustion chambers of the internal combustion engine, a charging device for charging the fresh air and a charge air cooler of the type described above.
  • an internal combustion engine 1 comprises an engine block 2, which contains a plurality of cylinders 3, in each of which a combustion chamber 4 is arranged.
  • the internal combustion engine 1 comprises a fresh air system 5 for supplying fresh air to the combustion chambers 4.
  • the internal combustion engine 1 further comprises an exhaust system 6 for discharging exhaust gas from the combustion chambers 4.
  • an exhaust gas recirculation system 7 for returning exhaust gas from the exhaust system 6 to the fresh air system. 5 be provided.
  • the internal combustion engine 1 is also equipped in the example with a charging device in the form of an exhaust gas turbocharger 8.
  • the exhaust gas turbocharger 8 has in the usual way a compressor 9, which is arranged in the fresh air system 5 and which is driven via a drive shaft 10 by a turbine 11, which is arranged in the exhaust system 6.
  • the fresh air system 5 includes downstream of the compressor 9 a charge air cooler 12 which is connected to a cooling circuit 13.
  • the exhaust system 6 may have, downstream of the turbine 11, an exhaust gas heat exchanger 14, which is connected to a cooling circuit 15.
  • the exhaust gas recirculation system 7 can have an exhaust gas recirculation valve 16 for controlling an exhaust gas recirculation quantity and downstream of or upstream of the exhaust gas recirculation valve 16 an exhaust gas recirculation cooler 17, which is connected to a cooling circuit 18.
  • the coolers shown here that is to say the intercooler 12, the exhaust gas cooler 14 and the exhaust gas recirculation cooler 17, each represent in general a heat exchanger 19. At least one of these heat exchangers 19 is constructed according to the following description and will be described below with reference to FIGS Fig. 2 to 10 explained in more detail.
  • the heat exchanger 19 comprises a housing 20 and a tube block 21 enclosed by the housing 20, which has a plurality of tubes 23, which run parallel to one another and are arranged next to one another in a stacking direction 22.
  • a first fluid path 24 is formed for a first fluid 25, wherein in Fig. 2 a flow of the first fluid 25 is indicated by arrows.
  • the first fluid path 24 is indicated by arrows, the first fluid path 24 leading the first fluid 25 in parallel through the tubes 23, whereby the first fluid 25 can deliver heat to the tubes 23.
  • a second fluid path 26 for a second fluid 27 is formed outside the tube block 21 and within the housing 20, a second fluid path 26 for a second fluid 27 is formed. A fluid flow of the second fluid 27 is in Fig. 2 indicated by arrows.
  • the second fluid path 26 thus leads to a flushing of the individual tubes 23 of the tube block 21 within the housing 20, whereby the second fluid 27 can dissipate heat from the tubes 23.
  • the tubes 23 are arranged spaced apart within the tube block 21 relative to each other, so that the second fluid path 26 also passes between the adjacent tubes 23, so that ultimately each tube 23 individually flows around or flows around the second fluid 27.
  • the housing 20 has, for the first fluid 25, an inlet-side first housing opening 28, through which the first fluid 25 enters the tube block 21, and on the outlet side a second housing opening 29, through which the first fluid 25 exits from the tube block 21. Furthermore, the housing 20 has an inlet-side first fluid port 30 for supplying the second fluid 27 and an outlet-side second fluid port 31 for discharging the second fluid 27.
  • the tube block 21 only a single row of tubes 23, which are arranged in the stacking direction 22 side by side.
  • several rows of tubes 23, which are shown in the stacking direction, can be seen 22 and are arranged transversely juxtaposed.
  • the tubes 23 are held in the respective tube block 21 in the region of their longitudinal ends in each case by means of an end plate 58 or positioned in the housing 20.
  • Such an end floor 58 is in the Fig. 3, 4 and 10 recognizable.
  • the tubes 23 pass through the respective end floor 58 each in a separate receiving opening 65 and are usually firmly and tightly connected to the respective end floor 58, for example by soldering or welding.
  • the respective end bottom 58 serves on the one hand for positioning and holding the tubes 23 in the tube block 21 and on the other hand for simplified sealing of the first fluid path 24, which leads inside through the tubes 23, opposite the second fluid path 26, which surrounds the tubes 23 outside.
  • the respective end floor 58 separates the interior of the housing 20, through which the second fluid path 26 passes, from an inflow-side or outflow-side interior of an infeed or outfeed connection pipe 33, through which the first fluid path 25 leads.
  • the tubes 23 are positioned within the tube block 21 exclusively by the two end plates 58 relative to each other and connected to each other. There is then no further mechanical connection between the tubes 23 between the two end plates 58, so that they do not touch each other and are not fastened directly to one another.
  • the tube block 21 may also be referred to as a tube arrangement 21 or as a tube bundle 21.
  • At least one of the housing openings 28, 29 is provided with a in the 3, 4 and 6 to 9 recognizable seal 32 edged.
  • both housing openings 28, 29 are each enclosed with such a seal 32.
  • the respective seal 32 serves, in the installed state of the heat exchanger 19, the housing 20 with respect to the in Fig. 2 To seal by connecting line 33 indicated by a broken line.
  • the connecting pipe 33 serves depending on the housing opening 28, 29 to supply the first fluid 25 to the housing 20 or remove from the housing 20.
  • the seal 32 is molded onto a seal carrier 34.
  • the housing 20 has a housing opening 28 or 29 enclosing the opening edge 35, to which the seal carrier 34 is attached.
  • the seal 32 can have an inner sealing region 36 on an inner side facing the housing 20 and an outer sealing region 37 on an outer side facing away from the housing 20. While the inner sealing region 36 cooperates with the opening edge 35, the outer sealing region 37 in the installed state cooperates with the connecting tube 33 or with the inlet-side or outlet-side end bottom 58.
  • the seal carrier 34 may have a support web 38, which is designed to be circumferential along the housing opening 28 or 29. At this support bar 38, the seal 32 is molded.
  • the support web 38 has a plurality of apertures 39 which are penetrated by the sealing material during the injection process, so that the inner sealing region 36 is connected through the apertures 39 to the outer sealing region 37.
  • the two sealing portions 36, 37 of uniform material and contiguous, so integrally formed on the seal carrier 34.
  • the seal carrier 34 has at least one step 40 in the profile, the inner edge 41 of which is covered by the seal 32, here by the inner sealing region 36.
  • the opening edge 35 then expediently has an outer edge 42, which engages in the step 40 and presses into the seal 32, in this case into the inner sealing region 36, and thus cooperates sealingly therewith.
  • the seal carrier 34 with respect a separation plane 43, in which the housing 20 and the respective end floor 58 and the respective connection pipe 33 abut each other, configured mirror-symmetrically, so that a further, unspecified step is provided with inner edge, which is covered by the outer sealing region 37.
  • the housing 20 and the connecting pipe 33 or the end floor 58 are mounted on a block, so that the two components in the parting plane 43 touch each other.
  • the two components 20, 33 in the region of the parting plane 43 are each equipped with a step 44, whereby a total of a radial groove is formed, in which the support web 38 of the seal carrier 34 engages.
  • the opening edge 35 is provided in profile with a step 45, in which the seal carrier 34 is inserted, such that the seal 32 seals axially with the step 45.
  • the housing 20 and the connecting pipe 33 and the end floor 58 are mounted on a block, so that the two components in said parting plane 43 touch.
  • the connecting pipe 33 or the end floor 58 is now also provided with such a step, which is not specified, which supplements the step 45 of the opening edge 35 to form a radially open groove, into which the seal carrier 34 projects with the carrier web 38.
  • the directional indication "axial” used in the present context refers to a in the 3 and 4 indicated by a double arrow axial direction 46 which is defined by an assembly direction 47, also indicated by an arrow, in which the connecting pipe 33 and the end bottom 58 is attached to the housing 20 and in which the seal carrier 34 to the Opening edge 35 is recognized.
  • the direction indication "radially” then runs transversely to the axial direction 46.
  • a pre-made seal carrier 34 shown before the seal 32 is molded Visible are the step 40 and a plurality of openings 39.
  • the openings 39 are now covered by the seal 32 and by the inner sealing region 36.
  • the seal carrier 34 may conveniently be injection molded from plastic.
  • Fig. 7 an embodiment in which a geometrically simple seal carrier 34 is provided, which is made of metal.
  • a geometrically simple seal carrier 34 is provided, which is made of metal.
  • the two sealing regions 36, 37 which together form the seal 32.
  • the seal carrier 34 has a flow guiding structure 48.
  • the Strömungsleit Quilt 48 is arranged on the seal carrier 34 so that it projects into the second fluid path 26 when attached to the housing 20 seal carrier 34 and thereby extends outside of the tube block 21 and within the housing 20.
  • the flow guide structure 48 generates a flow guide for the second fluid 27.
  • the flow guide structure 48 is formed integrally on the seal carrier 34. This can be particularly easily realized when the seal carrier 34 is injection molded from a plastic.
  • the housing 20 has, proximal to the first housing opening 28, the first fluid connection 30 for the second fluid, through which the second fluid 27 enters the housing 20 according to the example.
  • the flow guide structure 48 is assigned to this, the first housing opening 28 Seal carrier 34 is positioned so that the flow guide structure 48 is arranged in the mounted state in the region of this first fluid port 30.
  • Fig. 8 In general, one of the openings 28, 29 can be seen, which has one of the fluid connections 30, 31 at the proximal end.
  • a configuration in which the flow guiding structure 48 is arranged in the region of the inflow of the second fluid 27 is preferred.
  • such a flow guiding structure 48 can also be arranged in the area of an outflow of the second fluid 27.
  • the flow guide structure 48 is also equipped with a flow divider 49, which ensures, during operation of the heat exchanger 19, that a flow of the second fluid 27 is divided into at least two partial flows, which then flow around the tube block 21 on sides facing away from one another.
  • the partial flows can then reunite within the housing 20 upstream of the outlet-side connection 31.
  • a branching region is designated by 50, while an associated union region is denoted by 51.
  • a flow through the intermediate spaces, which are formed within the tube block 21 between the adjacent tubes 23, is maintained. Overall, however, results in a more uniform flow distribution with improved, homogenized heat transfer.
  • Fig. 5, 6 and 8th has the Strömungsleit Quilt 48 a plurality of wall portions 52 which extend parallel to walls of the housing 20, and the openings 53 or windows 53 included.
  • the frontal window 53 is divided by the flow post 59.
  • a connecting web 54 is provided which connects two opposite wall sections 52 with each other.
  • the opposing wall portions 52 pass through ramped transitions 55 in a circuit 56 which extends along an inner edge 57 of the seal carrier 34.
  • Through the circulation 56 of the seal carrier 34 receives a high dimensional stability and better mountability on the housing 20th
  • the first fluid port 30 is arranged on the same side of the housing as the first housing opening 28.
  • the first fluid port 30 passes through an open side directly into the interior of the housing 20 here.
  • the flow divider 49 protrudes into this open side in order to impede a direct flow through this open side with the second fluid 27.
  • particularly a particularly strong cooling of the immediately adjacent tube 23 is avoided in order to distribute the cooling capacity of the second fluid 27 better over the entire tube block 21.
  • FIGS. 9 and 10 illustrate the positioning of the seal carrier 34 and the end bottom 58 at one of the longitudinal ends 59, 60 of the housing 20. This is to the observer facing the longitudinal end 59 of the housing 20.
  • the end floor 58 omitted. Visible is at this longitudinal end 59 of the opening edge 35 of the housing 20 designed flange-like or equipped with flange 61.
  • the end floor 58 is shaped to fit the flange 61, so that it protrudes laterally or laterally beyond the interior of the housing 20 or over the open cross section of the respective housing opening 28, 29 and flatly adjoins the flange 61.
  • the seal 32 comes to a circumferential edge portion 62 of the end plate 58 axially to the plant.
  • the here not recognizable, facing away from the viewer longitudinal end 60 associated end floor similar to the here recognizable, the viewer facing end floor 58 so that the tube block 21 at both longitudinal ends 59, 60 of the housing 20 by the laterally projecting end floor 58 by positive engagement is axially fixed.
  • the tubes 23 are initially connected only to the one end bottom 58. Then, this unit is inserted axially from the tubes 23 and the one end floor 58 into the housing 20 until the end floor abuts the associated flange 61 axially. In this case, the respective seal 32 comes to the flange 61 and the end bottom 58 sealingly to the plant. This corresponds to the state of Fig. 9 . Subsequently, the other end floor 58 is attached to the tubes 23, such that it rests axially on the associated flange 61, wherein here, too, the respective seal 32 on the flange 61 and the end bottom sealingly comes to rest. This corresponds to the state of Fig.
  • both end floors 58 are axially against the housing 20 with their sides facing each other.
  • the tubes 23 can be tightly and firmly connected to the respective end floor 58, for example by means of a laser welding method, even if the seal carrier 34 and / or the housing 20 are made of a plastic.
  • the respective end floor 58 can then be axially bound into a flange connection, with which a diffuser or funnel of the respective connecting pipe 33 is screwed to the housing 20.
  • the housing 20 according to Fig. 9 be equipped with corresponding threaded openings 63, while the respective end floor 58 arranged suitably thereto, in Fig. 10 recognizable through holes 64 has.

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

Claims (14)

  1. Echangeur de chaleur pour des applications automobiles,
    - comprenant un boîtier (20) qui renferme un bloc de tuyaux (21),
    - dans lequel un premier chemin de fluide (24) pour un premier fluide (25) est réalisé à l'intérieur du bloc de tuyaux (21),
    - dans lequel un deuxième chemin de fluide (26) entourant le bloc de tuyaux (21) pour un deuxième fluide (27) est réalisé à l'extérieur du bloc de tuyaux (21) et à l'intérieur du boîtier (20),
    - dans lequel une ouverture de boîtier (28, 29) est encadrée par un joint d'étanchéité (32),
    caractérisé en ce
    - que le joint d'étanchéité (32) est pulvérisé au niveau d'un support de joint d'étanchéité (34), lequel est placé au niveau d'un bord d'ouverture (35) encadrant l'ouverture de boîtier (28, 29) du boîtier (20),
    - que le support de joint d'étanchéité (34) présente une structure de guidage d'écoulement (48) qui dépasse à l'intérieur du deuxième chemin de fluide (26) et qui génère, lors du fonctionnement de l'échangeur de chaleur (19), une action de guidage d'écoulement pour le deuxième fluide (27).
  2. Echangeur de chaleur selon la revendication 1,
    caractérisé en ce
    que le joint d'étanchéité (32) présente, au niveau d'un côté intérieur tourné vers le boîtier (20), une zone d'étanchéité intérieure (36) qui coopère avec le bord d'ouverture (35), et, au niveau d'un côté extérieur opposé au boîtier (20), une zone d'étanchéité extérieure (37).
  3. Echangeur de chaleur selon la revendication 2,
    caractérisé en ce
    que le support de joint d'étanchéité (34) présente une nervure porteuse (38) s'étendant en périphérique le long de l'ouverture de boîtier (28, 29), au niveau de laquelle le joint d'étanchéité (32) est pulvérisé, dans lequel la nervure porteuse (38) présente plusieurs ajours (39) à travers lesquels la zone d'étanchéité intérieure (36) est reliée à la zone d'étanchéité extérieure (37).
  4. Echangeur de chaleur selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce
    - que le support de joint d'étanchéité (34) possède, dans le profil, un palier (40) dont l'arête intérieure (41) est recouverte par le joint d'étanchéité (32),
    - que le bord d'ouverture (35) présente une arête extérieure (42) qui vient en prise avec le palier (40) et qui coopère avec le joint d'étanchéité (32).
  5. Echangeur de chaleur selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce
    que le bord d'ouverture (35) présente, dans le profil, un palier (45) dans lequel le support de joint d'étanchéité (34) est inséré de sorte que le joint d'étanchéité (32) assure l'étanchéité axiale avec le palier (45).
  6. Echangeur de chaleur selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que la structure de guidage d'écoulement (48) est formée intégralement au niveau du support de joint d'étanchéité (34).
  7. Echangeur de chaleur selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que le boîtier (20) présente, de manière proximale par rapport à l'ouverture de boîtier (28, 29), un raccord de fluide (30, 31) relié de manière fluidique au deuxième chemin de fluide (26), pour le deuxième fluide (27), dans lequel la structure de guidage d'écoulement (48) est disposée dans la zone dudit raccord de fluide (30, 31).
  8. Echangeur de chaleur selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    que la structure de guidage d'écoulement (48) présente un diviseur d'écoulement (49) qui divise, lors du fonctionnement de l'échangeur de chaleur (19), un flux du deuxième fluide (27) en au moins deux flux partiels qui entourent le bloc de tuyaux (21) au niveau de côtés opposés les uns aux autres.
  9. Echangeur de chaleur selon l'une quelconque des revendications 1 à 8,
    caractérisé en ce
    que l'échangeur de chaleur (19) est utilisé en tant que refroidisseur d'air de suralimentation (12) ou en tant qu'échangeur à gaz d'échappement, de telle manière que le premier fluide (26) est l'air de suralimentation ou les gaz d'échappement à refroidir, tandis que le deuxième fluide (27) est un agent réfrigérant refroidissant.
  10. Echangeur de chaleur selon l'une quelconque des revendications 1 à 9,
    caractérisé en ce
    que le bloc de tuyaux (21) présente, au niveau d'extrémités longitudinales (59, 60) du boîtier (20), respectivement un fond d'extrémité (58) qui est traversé respectivement par tous les tuyaux (23) et qui est relié de manière étanche et de manière solidaire à tous les tuyaux (23), dans lequel au moins un des fonds d'extrémité (58) repose de manière axiale au niveau d'un côté tourné vers l'autre fond d'extrémité (58), au niveau du boîtier (20).
  11. Echangeur de chaleur selon la revendication 10,
    caractérisé en ce
    que seulement un des fonds d'extrémité (58) est rendu étanche avec un joint d'étanchéité (32) de type vis-à-vis du boîtier (20), ou que les deux fonds d'extrémité (58) sont rendus étanches respectivement par un joint d'étanchéité (32) de ce type vis-à-vis du boîtier (20).
  12. Echangeur de chaleur selon la revendication 10 ou 11,
    caractérisé en ce
    que les deux fonds d'extrémité (58) reposent respectivement de manière axiale au niveau du boîtier (20), au niveau de côtés tournés les uns vers les autres.
  13. Echangeur de chaleur selon la revendication 10, 11 ou 12,
    caractérisé en ce
    - que le boîtier (20) et/ou le support de joint d'étanchéité (34) sont fabriqués à partir d'une matière plastique, et en ce que le fond d'extrémité (58) respectif et les tuyaux (23) sont fabriqués à partir d'un alliage de fer ou à partir d'un alliage de métal léger, ou
    - que le boîtier (20) et le support de joint d'étanchéité (34) sont fabriqués à partir d'un alliage de métal léger, et que le fond d'extrémité (58) respectif et les tuyaux (23) sont fabriqués à partir d'un alliage de fer ou à partir d'un alliage de métal léger.
  14. Moteur à combustion interne chargé, en particulier dans un véhicule automobile,
    - comprenant un système d'alimentation en air frais (5) servant à amener de l'air frais aux chambres de combustion (4) du moteur à combustion interne (1),
    - comprenant un dispositif de charge (8) servant à charger l'air frais,
    - comprenant un refroidisseur d'air de suralimentation (12) qui est formé par un échangeur de chaleur (19) selon l'une quelconque des revendications précédentes.
EP14196355.3A 2013-12-18 2014-12-04 Caloporteur Not-in-force EP2886991B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013226434.8A DE102013226434A1 (de) 2013-12-18 2013-12-18 Wärmeübertrager

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EP2886991B1 true EP2886991B1 (fr) 2016-11-02

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Publication number Priority date Publication date Assignee Title
FR3090845B1 (fr) * 2018-12-19 2021-01-08 Valeo Systemes Thermiques Dispositif d’étanchéité pour échangeur de chaleur de véhicule automobile
IT201800020761A1 (it) * 2018-12-21 2020-06-21 Denso Thermal Systems Spa Macchina per il co-stampaggio di una guarnizione su una vasca di materia plastica.
DE102022209984A1 (de) * 2022-09-22 2024-03-28 Mahle International Gmbh Wärmeübertrager

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DE4242997C1 (de) 1992-12-18 1994-04-14 Hengst Walter Gmbh & Co Kg Brennkraftmaschine mit einem Ölfilter für deren Schmieröl
US6238610B1 (en) * 1995-05-02 2001-05-29 Calsonic Kansei Corporation Heat exchanger tank and method of producing the same
DE10100934C1 (de) 2001-01-10 2002-02-28 Freudenberg Carl Kg Anordnung zur gasdichten Befestigung eines einen Verbindungsflansch aufweisenden Ansaugkrümmers am Zylinderkopf einer Verbrennungskraftmaschine
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EP2886991A1 (fr) 2015-06-24

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