EP2559962B1 - Échangeur thermique pour gaz d'échappement - Google Patents

Échangeur thermique pour gaz d'échappement Download PDF

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Publication number
EP2559962B1
EP2559962B1 EP12180174.0A EP12180174A EP2559962B1 EP 2559962 B1 EP2559962 B1 EP 2559962B1 EP 12180174 A EP12180174 A EP 12180174A EP 2559962 B1 EP2559962 B1 EP 2559962B1
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EP
European Patent Office
Prior art keywords
exhaust gas
cooling medium
heat exchanger
tube bundle
housing
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.)
Active
Application number
EP12180174.0A
Other languages
German (de)
English (en)
Other versions
EP2559962A3 (fr
EP2559962A2 (fr
Inventor
Christian Dipl. Wirt.-Ing. Faber (FH)
Simon HUND
Albrecht Dipl.-Ing. Siegel (FH)
Matthias Dipl.-Ing. Schüle
Predrag Dipl.-Ing. Panic (FH)
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.)
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Publication date
Application filed by Mahle Behr GmbH and Co KG filed Critical Mahle Behr GmbH and Co KG
Publication of EP2559962A2 publication Critical patent/EP2559962A2/fr
Publication of EP2559962A3 publication Critical patent/EP2559962A3/fr
Application granted granted Critical
Publication of EP2559962B1 publication Critical patent/EP2559962B1/fr
Active legal-status Critical Current
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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
    • F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
    • 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
    • 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
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/02—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a heat exchanger

Definitions

  • the WO 2011/061090 A2 discloses an exhaust gas heat exchanger according to the preamble of claim 1.
  • the coolant guide device has at least one spacer which extends at an angle ⁇ 90 °, starting from an edge of the coolant guide device, which lies opposite the bottom, in the direction of the bottom.
  • the approximately planar shielding element covers a circular arc of the cylinder-like Abgasumlenkmaschine containing the lowest point, wherein the shielding connected at its ends to the Abgasumlenkmaschine, in particular welded or soldered is.
  • the exhaust gas flows around the shielding element from all sides. Characterized in that the condensate is heated on the shielding by the exhaust gas, it is again transferred to the gaseous state and can leave the engine with the exhaust gas without further damage.
  • At least two exhaust gas inlet nozzles are present. Even with the use of more than two exhaust inlet connection components are saved with collecting function before the exhaust gas heat exchanger.
  • Several supply lines can be guided directly from the engine to the exhaust gas heat exchanger, which is particularly useful when the engine consists of two engine blocks, each of which engine block an exhaust pipe is fed to the exhaust gas heat exchanger.
  • Thedeffenleit wisdom 5 is thus arranged between the tube bundle and the housing 2, wherein theisserendorfleit styles 5 completely surrounds the tube bundle.
  • Such an exhaust gas heat exchanger 1 is connected to the internal combustion engine, so that the exhaust gases take the shortest possible way to the exhaust gas heat exchanger 1.
  • a spacer 10, 11, 12, 13 is formed. Of these four spacers 10, 11, 12, 13 are each formed two mirror-symmetrical to each other and extend from the edge of thedestoffleit responded 5 in the direction of a bottom 16 (FIG. FIG. 3 ), which closes the housing 2.
  • the attached at the edge of thedeatorileit Vietnamese 5 and flat spacers 10, 11, 12, 13 are bent starting from the edge of thedestoffleit responded 5 by less than 90 ° inwards and touch with their ends the bottom 16, whereby thedestoffleit responded 5 on the Floor 16 is fixed. Since thechenleit responded 5 is fixed with the corners 23 of its cross-section at the same time on the housing 2, a stable positioning of thehariffenleit styles 5 is realized within the housing 2 of the exhaust gas heat exchanger 1.
  • Such an exhaust gas heat exchanger 1 is connected to the internal combustion engine, wherein the exhaust gases emitted by the internal combustion engine flow into the tubes 15 of the tube bundle, which is mounted within the coolant guide device 5.
  • the coolant inlet 3 is connected to the channels 6 and 7, wherein behind the coolant inlet 3 in the direction of the exhaust gas outlet, thedeffenleit responded 5 opposite the coolant outlet 4 is closed.
  • FIG. 1b can be seen where the completion of thehariffenleit Sk 5 is realized by bent ends 14.
  • the exhaust heat exchanger 1 is provided with an exhaust diverter 17, and the exhaust diverter 17, which is also called a diffuser, is disposed on the exhaust heat exchanger 1 near the coolant inlet pipe 3a and the coolant outlet pipe 4a, respectively.
  • the Abgasumlenk ancient University 17 is also cylindrical, so that it adapts well to the shape of the housing 2.
  • the cooled exhaust gas which has passed through the tubes 15 of the tube bundle, forwarded to the turbocharger. The forwarding of the cooled exhaust gas takes place via the pipe 21st
  • the tubes 15 have a rectangular cross section, wherein the cross section of theisserschleit Anlagen 5 is adapted to the outer contour of the tube bundle, which also has an octagonal cross-section.
  • the housing 2 is closed off via the bottom 16 arranged on the exhaust gas inlet side, wherein the tubes 15 pass through the bottom 16 and are designed to be open towards the outside.
  • the exhaust gas which is emitted by the internal combustion engine can easily flow into the pipes 15 and thus into the exhaust gas heat exchanger 1.

Landscapes

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

Claims (7)

  1. Echangeur de chaleur de gaz d'échappement comprenant un faisceau de tubes comportant des tubes (15) acheminant les gaz d'échappement, et comprenant aussi un carter (2) traversé par un liquide de refroidissement, lequel carter entoure le faisceau de tubes et présente une entrée de liquide de refroidissement (3) et une sortie de liquide de refroidissement (4), où au moins un dispositif de guidage tridimensionnel (5) du liquide de refroidissement, servant au réglage d'un conduit de liquide de refroidissement (6, 7), est configuré entre le faisceau de tubes et le carter (2), où l'entrée de liquide de refroidissement (3) débouche dans le conduit de liquide de refroidissement (6, 7), où le dispositif de guidage de liquide de refroidissement (5) entoure complètement le faisceau de tubes, où un fond (16) fermant le carter (2) est configuré en étant presque perpendiculaire au conduit de liquide de refroidissement (6, 7) ayant un intervalle prédéfini par rapport au dispositif de guidage de liquide de refroidissement (5), et le dispositif de guidage de liquide de refroidissement (5) présente une section polygonale, où les parties angulaires (23) de la section du dispositif de guidage de liquide de refroidissement (5) sont au contact du carter (2), où le liquide de refroidissement est dirigé en premier lieu dans un conduit de liquide de refroidissement passant devant le faisceau de tubes, puis, au cours du trajet de retour, ledit liquide de refroidissement est fourni au faisceau de tubes, où le liquide de refroidissement dessert de façon uniforme tous les tubes du faisceau de tubes, caractérisé en ce que le dispositif de guidage de liquide de refroidissement (5) présente au moins une pièce d'écartement (10, 11, 12, 13) configurée sur une grande étendue, laquelle pièce d'écartement s'étend, en direction du fond (16), suivant un angle < 90° à partir d'un bord du dispositif de guidage de liquide de refroidissement (5), ledit bord étant placé à l'opposé du fond (16) et, par conséquent, ladite pièce d'écartement, avec son extrémité, est au contact du fond (16), faisant que le dispositif de guidage de liquide de refroidissement (5) est fixé sur le fond (16).
  2. Echangeur de chaleur de gaz d'échappement selon la revendication 1, caractérisé en ce qu'un ensemble déflecteur de gaz d'échappement (17) est disposé sur le carter (2) dans la direction de sortie des gaz d'échappement, ensemble déflecteur de gaz d'échappement dont le point le plus bas est recouvert, à l'intérieur, d'un élément de protection (18).
  3. Echangeur de chaleur de gaz d'échappement selon la revendication 2, caractérisé en ce que l'élément de protection (18), configuré en étant presque plan, recouvre un arc de cercle de l'ensemble déflecteur de gaz d'échappement (17) configuré de façon semblable à un cylindre, lequel arc de cercle contient le point le plus bas, où l'élément de protection (18), au niveau de ses extrémités, est assemblé, en particulier soudé ou brasé, avec l'ensemble déflecteur de gaz d'échappement (17).
  4. Echangeur de chaleur de gaz d'échappement selon la revendication 2 ou 3, caractérisé en ce que l'élément de protection (18) présente, au niveau des extrémités opposées intérieurement à l'ensemble déflecteur de gaz d'échappement (17), des éléments de fixation (19, 20) servant à la fixation de l'élément de protection (18) sur l'ensemble déflecteur de gaz d'échappement (17).
  5. Echangeur de chaleur de gaz d'échappement selon la revendication 2, 3 ou 4, caractérisé en ce que l'ensemble déflecteur de gaz d'échappement (17) et l'élément de protection (18) sont réalisés comme une pièce moulée monobloc.
  6. Echangeur de chaleur de gaz d'échappement selon au moins l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins deux tubulures de sortie de gaz d'échappement (21, 23) sont formées de préférence sur l'ensemble déflecteur de gaz d'échappement (17).
  7. Echangeur de chaleur de gaz d'échappement selon la revendication 6, caractérisé en ce qu'au moins deux tubulures d'entrée de gaz d'échappement sont présentes.
EP12180174.0A 2011-08-16 2012-08-10 Échangeur thermique pour gaz d'échappement Active EP2559962B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011081031A DE102011081031A1 (de) 2011-08-16 2011-08-16 Abgaswärmeübertrager

Publications (3)

Publication Number Publication Date
EP2559962A2 EP2559962A2 (fr) 2013-02-20
EP2559962A3 EP2559962A3 (fr) 2014-04-09
EP2559962B1 true EP2559962B1 (fr) 2018-10-03

Family

ID=47002589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12180174.0A Active EP2559962B1 (fr) 2011-08-16 2012-08-10 Échangeur thermique pour gaz d'échappement

Country Status (2)

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EP (1) EP2559962B1 (fr)
DE (1) DE102011081031A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013008773B4 (de) * 2013-05-23 2020-06-10 Modine Manufacturing Company Wärmetauscher und Verfahren zur Herstellung eines Wärmetauschers
DE102014202447A1 (de) 2014-02-11 2015-08-13 MAHLE Behr GmbH & Co. KG Abgaswärmeübertrager
DE102014208093A1 (de) * 2014-04-29 2015-10-29 Mahle Lnternational Gmbh Wärmeübertrager
DE102014225159A1 (de) 2014-12-08 2016-06-09 Mahle International Gmbh Wärmeübertrager
DE102014226883A1 (de) 2014-12-22 2016-06-23 Mahle International Gmbh Wärmeübertrager
DE102017208324A1 (de) * 2017-05-17 2018-11-22 Mahle International Gmbh Wärmeübertrager
DE102017218254A1 (de) 2017-10-12 2019-04-18 Mahle International Gmbh Abgaswärmeübertrager
DE102019209603A1 (de) * 2019-07-01 2021-01-07 Mahle International Gmbh Abgaswärmeübertrager
DE102021208792A1 (de) 2021-08-11 2023-02-16 Mahle International Gmbh Wärmeübertrager, insbesondere einen Rohrbündel-Wärmeübertrager
DE102022209984A1 (de) 2022-09-22 2024-03-28 Mahle International Gmbh Wärmeübertrager

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
CA1121799A (fr) * 1978-08-17 1982-04-13 Maurice R. Garrison Echangeur de chaleur a tubes et a plaques
DE29622411U1 (de) * 1996-12-24 1997-03-27 Behr Gmbh & Co Wärmeübertrager, insbesondere Abgaswärmeübertrager
JP5250924B2 (ja) * 2001-07-16 2013-07-31 株式会社デンソー 排気熱交換器
KR100649597B1 (ko) * 2004-12-10 2006-11-28 엘지전자 주식회사 열병합 시스템의 배기가스 열교환기
US20070235173A1 (en) * 2006-04-10 2007-10-11 Aaf-Mcquary Inc. Shell and tube evaporator
DE102006029043B4 (de) * 2006-06-24 2015-04-23 Pierburg Gmbh Wärmeübertragungseinheit für eine Verbrennungskraftmaschine
NZ561669A (en) * 2006-09-21 2008-07-31 P W R Performance Products Pty A heat exchanger
JP2008297993A (ja) * 2007-05-31 2008-12-11 Komatsu Ltd Ｅｇｒクーラ
DE102008002746A1 (de) * 2007-07-11 2009-02-12 Visteon Global Technologies Inc., Van Buren Wärmetauscher für den Abgasstrang eines Kraftfahrzeugs, Verfahren zur Herstellung eines Wärmetauschers sowie Montagewerkzeug hierzu
WO2009108238A2 (fr) * 2007-12-06 2009-09-03 Modine Manufacturing Company Échangeur de chaleur à récupération et procédé de fonctionnement correspondant
DE102008025862A1 (de) * 2008-05-29 2009-01-22 Daimler Ag Abgasstrang
ES2394406B1 (es) * 2009-11-18 2013-10-23 Valeo Térmico, S.A. Intercambiador de calor para gases, en especial de los gases de escape de un motor.

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
DE102011081031A1 (de) 2013-02-21
EP2559962A3 (fr) 2014-04-09
EP2559962A2 (fr) 2013-02-20

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