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EP1348924A2 - Echangeur de chaleur à gaz d'échappement pour véhicule - Google Patents

Echangeur de chaleur à gaz d'échappement pour véhicule Download PDF

Info

Publication number
EP1348924A2
EP1348924A2 EP03004716A EP03004716A EP1348924A2 EP 1348924 A2 EP1348924 A2 EP 1348924A2 EP 03004716 A EP03004716 A EP 03004716A EP 03004716 A EP03004716 A EP 03004716A EP 1348924 A2 EP1348924 A2 EP 1348924A2
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
heat exchanger
flat tube
paths
tube halves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03004716A
Other languages
German (de)
English (en)
Other versions
EP1348924A3 (fr
EP1348924B1 (fr
Inventor
Wolfgang Dipl.-Ing. Knecht (Fh)
Roland Dipl.-Ing. Strähle (FH)
Jörg Dr. Soldner
Walter Dipl.-Ing. Gühring (FH)
Rainer Dipl.-Ing. Kaissling
Harald Dipl.-Ing. Schatz
Andreas Dipl.-Ing. Stolz
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.)
Modine Manufacturing Co
Original Assignee
Modine Manufacturing Co
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 Modine Manufacturing Co filed Critical Modine Manufacturing Co
Publication of EP1348924A2 publication Critical patent/EP1348924A2/fr
Publication of EP1348924A3 publication Critical patent/EP1348924A3/fr
Application granted granted Critical
Publication of EP1348924B1 publication Critical patent/EP1348924B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Images

Classifications

    • 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
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • 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
    • F28D7/1684—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 the conduits having a non-circular cross-section
    • 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
    • F28D9/0037—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 conduits for the other heat-exchange medium also being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
    • 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
    • F28F2240/00—Spacing 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
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F28F2250/104—Particular pattern of flow of the heat exchange media with parallel flow

Definitions

  • the invention relates to an exhaust gas heat exchanger for motor vehicles a stack of heat exchanger plates is made up of a housing is surrounded; the stack of heat exchanger plates closes exhaust gas paths and Cooling water paths, which alternate in the stacking direction, the one paths are each enclosed within a pair of heat exchanger plates and the other paths arranged between the pairs and to the wall the housing is open; are on opposite ends of the housing Exhaust connection flanges arranged so that the exhaust gas goes through in a straight line the exhaust gas heat exchanger can flow and are on the wall of the housing Connections for the cooling water arranged.
  • Such an exhaust gas heat exchanger is known from DE 101 24 383.
  • the Known exhaust gas heat exchanger has single-flow exhaust gas paths.
  • the exhaust gas of an internal combustion engine with several cylinders, for example with six cylinders, recooling may need two exhaust lines for there are three cylinders each, one of which is known in each branch Exhaust gas heat exchanger should be arranged.
  • the object of the invention is to provide an exhaust gas heat exchanger design that it is inexpensive as a single flow or alternatively as multi-flow exhaust gas heat exchanger can be built.
  • the flat tube halves differ from the Heat exchanger plates, among other things, in that they are on the front Ends are "open", whereas heat exchanger plates are around their entire circumference are “closed” around by an edge.
  • Two such flat tube halves each are mirrored together with their longitudinal edges and are self-contained an exhaust path.
  • the transverse edges of the flat tube halves are free of Bends or other deformations so that the exhaust gas with as possible low pressure loss can enter and exit the exhaust gas paths.
  • the flat tube halves are approximately U-shaped in their cross section are designed.
  • the cooling water paths are designed as "open” paths, so that the cooling water is in contact with the housing.
  • the Flat tube halves each have a separating element in the exhaust gas paths, making each Exhaust gas path is divided into two separate paths in which the exhaust gas can flow in the same direction.
  • the number of floods can be seen through the corresponding number of separating elements can be determined.
  • the Exhaust gas heat exchanger according to the invention only has to be used to a very small extent and thus can be changed in a cost effective way to get out of a single-flow exhaust gas heat exchanger a two-flow or multi-flow To make exhaust gas heat exchanger. In particular, there are no changes to the Flat tube halves themselves required.
  • the housing is preferably formed in two parts, which also with regard the manufacturability is advantageous because the pairs of flat tube halves are easier have it inserted into the housing. Both housing parts are about halfway Height of the stack of flat tube halves or half the width of the Flat tube halves joined together. The housing parts are in cross section roughly U - shaped - simply folded on both long sides. The transverse ends are undeformed.
  • Claim 3 ensures the fluidic in a cost-effective manner Separation of the two exhaust gas paths. This advantage can also set off the features
  • Claim 7 can be said.
  • the amazing simplicity of the connections, the characteristics of which are set out in claim 9 also have an impact lowering.
  • the exhaust gas heat exchanger of the exemplary embodiment is made from formed metal sheets made of stainless steel.
  • the individual parts of the exhaust gas heat exchanger will be like is described below, assembled and connected in a soldering furnace. Because the coating of the stainless steel sheets with a solder material continues problematic, are preferably known per se and therefore not detailed description of the solder foils / pastes on the Connection seams between the individual parts applied or provided.
  • the essential individual parts of the exhaust gas heat exchanger in the exemplary embodiment shown are the flat tube halves 1 , the separating elements 15 , the tube sheets 19 , the connecting flanges 12 and the housing 2 .
  • the flat tube halves 1 are produced from the belt on forming machines. All flat tube halves 1 are identical, which means that they can be produced with the same tool.
  • the flat tube halves 1 have bent longitudinal edges 14 . (Fig. 7)
  • the longitudinal edges 14 are L-shaped, the short leg of the L in the exemplary embodiment being provided in each case for connecting two flat tube halves 1 , because with these short legs two flat tube halves 1 each abut one another and form a connecting surface 21 .
  • a flat tube half 1 is rotated through 180 ° so that its longitudinal edges 14 can be attached to the longitudinal edges 14 of the other flat tube half 1 .
  • a separating element 15 which in the exemplary embodiment is a prefabricated rod made of the same material, is inserted in the longitudinal direction of the flat tube. This separating element 15 later results in two separate exhaust gas paths 4.1 and 4.2 within a flat tube .
  • smooth-walled inner inserts 33 in order to enlarge the heat exchange surface, smooth-walled inner inserts 33 (Fig.
  • the function of the separating element 15 has been formed by a dividing wall within a one-piece inner insert 33 .
  • the design of the separating element 15 shown is more sensible than by arranging several Inner inserts 33 in the longitudinal direction of the exhaust gas heat exchanger each have sealing problems at the joints of adjacent inner inserts 33 .
  • the already mentioned tabs 22 are bent - namely - seen in the longitudinal direction - alternately upwards and downwards - in order to reach over the connecting edge 21 and thus fix the pair of flat tube halves 1 to form a flat tube.
  • the broad sides 23 of the flat tubes formed in this way have embossed transverse ribs 31 and, in this exemplary embodiment, also support knobs 30 .
  • the transverse ribs 31 and the support knobs 30 have the same position on all flat tube halves 1 .
  • the transverse ribs 31 do not extend over the entire width of the flat tube halves 1 but advantageously (see below) only over approximately half the width.
  • the pairs of flat tube halves 1 are stacked one above the other.
  • the support knobs 30 and the transverse ribs 31 of adjacent pairs of flat tube halves 1 come to bear against one another in order to be connected to one another later.
  • the ends are inserted into the corresponding openings 18 of the tube sheets 19 , so that a quality-appropriate soldered connection is also possible there later.
  • the prefabricated unit described so far is then inserted into a housing half 2a and enclosed by means of the other housing half 2b .
  • the exhaust gas heat exchanger is completed by attaching the connecting flanges 12 to the opposite ends 40 and 50 or at the end faces 11 and by the connections 13 for the cooling water, which are arranged on a longitudinal wall 10 of the housing 2 .
  • connections 13 are remarkable because they are very simply formed by means of a slot 32 in the longitudinal wall 10 of the housing 2 which extends approximately over the entire height of the stack 13 and via which (slot 32 ) the connections 13 open towards the longitudinal wall 10 are attached , In addition to the very manufacturing-friendly design, this also achieves a relatively uniform and low pressure loss-causing division of the cooling liquid into the “open” cooling water paths 5 .
  • the slots 32 are arranged in those longitudinal sides of the housing 2 in which the two housing halves 2a , 2b are joined together. It goes without saying that one slot 32 (connection 13 ) could be arranged in one longitudinal wall 10 and the other slot 32 (connection 13 ) in the opposite longitudinal wall 10 .
  • the continuous long sides should of course be arranged in the stacking direction of the flat tube halves 1 so that the cooling water can easily enter and exit the cooling water paths 5 .
  • the continuous longitudinal sides of the housing 2 are arranged above and below or parallel to the flat tube halves 1 .
  • the strut 17 is arranged exactly on the line which is described by the separating elements 15 (Fig. 2) in each flat tube.
  • the strut 17 has projections 60 on its side facing the open flat tube ends 40 , 50 .
  • the projections 60 correspond in their thickness to the height of the cooling water paths 5 or to the distance between the pairs of flat tube halves 1 .
  • the formation of the transverse ribs 31 in the flat tube halves 1 will be discussed again, because the transverse ribs 31 must not, because of their interaction with the separating elements 15 (FIG. 7), cause or cause a flow connection between the exhaust gas paths 4.1 and 4.2 . be allowed. Therefore, the transverse ribs 31 do not extend beyond the position of the separating elements 15 in their length I. Since only one row of separating elements 15 is provided in the exemplary embodiment and the row is arranged approximately in the middle of the exhaust gas path 4 , the length I of the transverse ribs 31 should be shorter than the dimension L, measured from the edge 14 to the separating element 15. If this condition is observed, it is in any case not necessary to others u. U.
  • FIGS. 1 and 6 also show how the housing halves 2a , 2b are connected to one another.
  • one of the legs of the u-shaped housing halves 2a, 2b was offset on its longitudinal edge by approximately the material thickness, so that the other undeformed leg can be attached and connected with its longitudinal edge from the inside to the offset longitudinal edge of the other housing half , Since the overlap of the longitudinal edges and thus the size of the connecting surface is a pure dimension, it can be expected that the tight connection of the housing halves 2a , 2b meets high quality requirements.
  • this simple connection of the housing halves 2a , 2b to one another means that no edges which protrude from the housing wall 10 remain and which could be regarded as disruptive.
  • the two housing halves 2a and 2b are identical except for the arrangement of the slots 32 for the connections 13 (see above), which is undoubtedly a manufacturing advantage. If the housing 2 is arranged rotated by 90 ° about the longitudinal axis and the slots 32 are provided in the other (continuous) longitudinal walls of the housing 2 (see above), then the housing halves 2a , 2b are completely identical.
  • Fig. 6 shows that it is possible to two exhaust lines of the motor on the connecting flange 12 to cause (not shown though) together and fluidly isolated from one another, to cool the exhaust gas in the exhaust paths 4.1 and 4.2 make it thereafter separated further conduct, because the rear flange 12 in the picture is also identical to the front flange 12 .

Landscapes

  • 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)
EP03004716A 2002-03-30 2003-03-04 Echangeur de chaleur à gaz d'échappement pour véhicule Expired - Lifetime EP1348924B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10214467 2002-03-30
DE10214467A DE10214467A1 (de) 2002-03-30 2002-03-30 Abgaswärmetauscher für Kraftfahrzeuge

Publications (3)

Publication Number Publication Date
EP1348924A2 true EP1348924A2 (fr) 2003-10-01
EP1348924A3 EP1348924A3 (fr) 2007-05-02
EP1348924B1 EP1348924B1 (fr) 2009-05-13

Family

ID=27798269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03004716A Expired - Lifetime EP1348924B1 (fr) 2002-03-30 2003-03-04 Echangeur de chaleur à gaz d'échappement pour véhicule

Country Status (3)

Country Link
US (1) US6920918B2 (fr)
EP (1) EP1348924B1 (fr)
DE (2) DE10214467A1 (fr)

Cited By (21)

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Publication number Priority date Publication date Assignee Title
WO2007005479A1 (fr) * 2005-06-30 2007-01-11 Honeywell International Inc. Echangeur de chaleur avec surfaces de tuyau chanfreinees
WO2007062939A1 (fr) * 2005-12-02 2007-06-07 Pierburg Gmbh Dispositif de refroidissement pour moteur a combustion interne
EP1816425A2 (fr) 2006-02-07 2007-08-08 Modine Manufacturing Company Echangeur thermique de gaz d'échappement dans un agencement de recyclage des gaz d'échappement
WO2008125309A3 (fr) * 2007-04-11 2009-04-09 Behr Gmbh & Co Kg Échangeur de chaleur
WO2009156365A1 (fr) * 2008-06-26 2009-12-30 Valeo Systemes Thermiques Echangeur de chaleur comportant un faisceau d'echange de chaleur et un boitier
EP1895258A3 (fr) * 2006-08-31 2010-11-24 Mahle International GmbH Dispositif d'échange de chaleur
US8033323B2 (en) 2006-06-22 2011-10-11 Modine Manufacturing Company Heat exchanger
WO2011095382A3 (fr) * 2010-02-05 2011-11-10 Pierburg Gmbh Dispositif de transfert thermique et agencement de recyclage des gaz d'échappement comprenant un tel dispositif de transfert thermique
CN101796286B (zh) * 2007-07-26 2012-03-21 泰坦X引擎冷却股份有限公司 热交换器及其制造方法
WO2013001011A1 (fr) * 2011-06-30 2013-01-03 Valeo Systemes Thermiques Echangeur thermique notamment pour vehicule automobile
CN102900570A (zh) * 2012-09-20 2013-01-30 浙江银轮机械股份有限公司 一种u型egr冷却器
US8739857B2 (en) 2008-06-26 2014-06-03 Valeo Systemes Thermiques Heat exchanger comprising a heat exchange core and a housing
US8915292B2 (en) 2006-02-07 2014-12-23 Modine Manufacturing Company Exhaust gas heat exchanger and method of operating the same
US8978740B2 (en) 2006-06-22 2015-03-17 Modine Manufacturing Company Heat exchanger
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DE102014106807A1 (de) * 2014-05-14 2015-11-19 Benteler Automobiltechnik Gmbh Abgaswärmetauscher aus Duplexstahl
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US9403204B2 (en) 2010-01-29 2016-08-02 Modine Manufacturing Company Heat exchanger assembly and method
US9599412B2 (en) 2008-06-26 2017-03-21 Valeo Systemes Thermiques Heat exchanger and casing for the exchanger
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EP3258203A1 (fr) * 2016-06-13 2017-12-20 Hamilton Sundstrand Corporation Échangeur de chaleur à ailettes fines complexes

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JP5620685B2 (ja) * 2010-02-02 2014-11-05 国立大学法人東京大学 熱交換器
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EP2766687B1 (fr) 2011-09-09 2019-04-24 Dana Canada Corporation Dispositif de récupération des gaz d'échappement à plaques empilées
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US9989322B2 (en) 2013-03-01 2018-06-05 Dana Canada Corporation Heat recovery device with improved lightweight flow coupling chamber and insertable valve
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CN105422328B (zh) * 2015-12-04 2018-01-12 浙江银轮机械股份有限公司 一种用于发动机尾气再循环egr的蒸发器
FR3057655B1 (fr) * 2016-10-18 2018-12-07 Novares France Echangeur thermique integre dans un repartiteur
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FR3075343B1 (fr) * 2017-12-15 2020-01-10 Faurecia Systemes D'echappement Dispositif de recuperation de chaleur et procede de fabrication correspondant
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EP3564613B1 (fr) * 2018-05-03 2025-07-09 MoldTecs-01-2022 GmbH Échangeur de chaleur, système d'admission d'air avec échangeur de chaleur et procédé de montage d'un échangeur de chaleur
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WO2007062939A1 (fr) * 2005-12-02 2007-06-07 Pierburg Gmbh Dispositif de refroidissement pour moteur a combustion interne
EP2413080A3 (fr) * 2005-12-02 2013-05-29 Pierburg GmbH Dispositif de refroidissement pour un moteur à combustion interne
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EP1816425A2 (fr) 2006-02-07 2007-08-08 Modine Manufacturing Company Echangeur thermique de gaz d'échappement dans un agencement de recyclage des gaz d'échappement
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FR2977306A1 (fr) * 2011-06-30 2013-01-04 Valeo Systemes Thermiques Echangeur thermique notamment pour vehicule automobile
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CN102900570B (zh) * 2012-09-20 2014-11-12 浙江银轮机械股份有限公司 一种u型egr冷却器
CN102900570A (zh) * 2012-09-20 2013-01-30 浙江银轮机械股份有限公司 一种u型egr冷却器
KR20150060905A (ko) * 2012-09-28 2015-06-03 발레오 시스템므 떼르미끄 열 교환기
DE102014106807B4 (de) * 2014-05-14 2017-12-21 Benteler Automobiltechnik Gmbh Abgaswärmetauscher aus Duplexstahl
DE102014106807A1 (de) * 2014-05-14 2015-11-19 Benteler Automobiltechnik Gmbh Abgaswärmetauscher aus Duplexstahl
CN107076519A (zh) * 2014-07-25 2017-08-18 法雷奥热力股份有限公司 具有挡板的热交换器
CN107076519B (zh) * 2014-07-25 2019-06-14 法雷奥热力股份有限公司 具有挡板的热交换器
EP3258203A1 (fr) * 2016-06-13 2017-12-20 Hamilton Sundstrand Corporation Échangeur de chaleur à ailettes fines complexes

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Publication number Publication date
EP1348924A3 (fr) 2007-05-02
US20030196785A1 (en) 2003-10-23
US6920918B2 (en) 2005-07-26
EP1348924B1 (fr) 2009-05-13
DE50311513D1 (de) 2009-06-25
DE10214467A1 (de) 2003-10-09

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