DE202004003131U1 - Multi-part exhaust gas heat exchanger made of die-cast aluminum - Google Patents

Multi-part exhaust gas heat exchanger made of die-cast aluminum Download PDF

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Publication number
DE202004003131U1
DE202004003131U1 DE202004003131U DE202004003131U DE202004003131U1 DE 202004003131 U1 DE202004003131 U1 DE 202004003131U1 DE 202004003131 U DE202004003131 U DE 202004003131U DE 202004003131 U DE202004003131 U DE 202004003131U DE 202004003131 U1 DE202004003131 U1 DE 202004003131U1
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Germany
Prior art keywords
exhaust gas
heat exchanger
water
cast aluminum
gas heat
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DE202004003131U
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German (de)
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Albert Handtmann Metallgusswerk GmbH and Co KG
Original Assignee
Albert Handtmann Metallguswerk & Co KG GmbH
ALBERT HANDTMANN METALLGUSWERK
Albert Handtmann Metallgusswerk GmbH and Co KG
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Priority to DE202004003131U priority Critical patent/DE202004003131U1/en
Publication of DE202004003131U1 publication Critical patent/DE202004003131U1/en
Priority to FR0502008A priority patent/FR2866946B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • 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
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • 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
    • F28D7/10—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 one within the other, e.g. concentrically
    • F28D7/12—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 one within the other, e.g. concentrically the surrounding tube being closed at one end, e.g. return type
    • 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
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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  • 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)
  • Exhaust Silencers (AREA)

Abstract

Abgaswärmetauscher für wassergekühlte Brennkraftmaschine dadurch gekennzeichnet daß er aus mindestens zwei oder mehr Hauptteilen aus Aluminiumguß besteht die topfförmig ineinandergesetzt werden und so die abgas- und wasserseitigen Hohlräume für den Wärmeaustausch über die Teilewandungen mit zugehörigen Ein- und Auslässen für Abgas- bzw. Kühlwasser bilden und die durch gegenseitig aufeinander passende Flansche die ein Flanschpaket bilden zu einer Einheit verschraubt, verklemmt oder verklebt werden.Exhaust gas heat exchanger for water-cooled internal combustion engine, characterized in that it consists of at least two or more main parts made of cast aluminum, which are put together in a cup-shaped manner and thus form the exhaust and water-side cavities for heat exchange via the part walls with associated inlets and outlets for exhaust gas or cooling water and that can be screwed, clamped or glued to one another by means of mutually matching flanges that form a flange package.

Figure 00000001
Figure 00000001

Description

Mehrteiliger Abgaswärmetauscher aus Aluminiumdruckguß.Multi-part exhaust gas heat exchanger made of die-cast aluminum.

Die Erfindung betrifft einen Abgaswärmetauscher für eine wassergekühlte Brennkraftmaschine bestehend aus mehreren Aluminiumdruckgußteilen die topfartig ineinander gesteckt den funktionsfähigen Wärmetauscher bilden.The invention relates to an exhaust gas heat exchanger for one water-cooled Internal combustion engine consisting of several die-cast aluminum parts Put the functional heat exchanger into each other like a pot.

Um eine erforderliche Zusatzheizleistung am Beginn des Fahrbetriebs bei modernen Automobilen zu erreichen wird das für die Innenraumheizung verwendete Motorkühlwasser in zunehmendem Maße durch einen Motorabgas/Kühlwasser Wärmetauscher zusätzlich aufgeheizt. Hierzu werden unterschiedliche Abgaswärmetauscher vorgeschlagen wie in EP 0 677 714A1 mit scheibenförmigen Wärmetauscherelementen aus Blech oder in DE 31 03 197 C2 mit Düsenanordnung oder in DE 32 25 373C2 mit ringförmiger Rohrleitung im Wärmetauschergehäuse. In anderen Fällen wird rückzuführendes Abgas zur Optimierung des Motorverbrennungs-Prozesses gekühlt um Abgasgrenzwerte von EU4 oder EU5 zu erreichen.In order to achieve the required additional heating power at the start of driving in modern automobiles, the engine cooling water used for interior heating is increasingly heated by an engine exhaust gas / cooling water heat exchanger. Different exhaust gas heat exchangers are proposed for this purpose as in EP 0 677 714A1 with disc-shaped heat exchanger elements made of sheet metal or in DE 31 03 197 C2 with nozzle arrangement or in DE 32 25 373C2 with ring-shaped piping in the heat exchanger housing. In other cases, exhaust gas to be recycled is cooled to optimize the engine combustion process in order to achieve exhaust gas limit values of EU4 or EU5.

Für den Zweck einer Wasserkühlung eines Kfz-Generators beschreibt DE 10043 059A1 und FR 2 717 638 eine Konstruktion, bei welcher das Gehäuse des Generators durch Einsetzen in ein weiteres topfartiges Bauelement größeren Durchmessers mit einen Kühlwasserhohlraum umgeben wird, der an der offenen Seite durch eine Platte abgedichtet wird. Es wird hier jedoch kein Hinweis auf eine Gußfertigung aufgezeigt. Diesen und vergleichbaren Konstruktionen ist ein hoher Fertigungsaufwand eigen.Describes for the purpose of water cooling a motor vehicle generator DE 10043 059A1 and FR 2 717 638 a construction in which the housing of the generator is surrounded by a cooling water cavity which is sealed on the open side by a plate by inserting it into another pot-like component of larger diameter. However, no reference to a cast production is shown here. These and comparable constructions are associated with a high manufacturing effort.

Der Erfindung liegt die Aufgabe zugrunde eine Konstruktion für die Großserienfertigung von Aluminiumwärmetauschern im Druckgußverfahren aufzuzeigen. Erfindungsgemäß wird dies durch die im kennzeichnenden Teil des Anspruches 1 genannten Merkmale gelöst.The invention is based on the object Construction for mass production of aluminum heat exchangers to show in the die casting process. According to the invention by the features mentioned in the characterizing part of claim 1 solved.

Durch die einfache Formgestaltung der Bauelemente ist eine vollständige Fertigung im Aluminium-Druckguß machbar, der eine kostengünstige Fertigung für Großserienteile ermöglicht. Eine Verwendung von Sandkernen wie beim Sandguß/Kokillenguß oder eines Schaummodells wie beim Lost-Foam Guß wird vermieden, nur für kleinere Stückzahlen sind diese Verfahren geeignet. Der Zusammenbau der Bauteile erfordert einen geringen unkomplizierten Montageaufwand.Through the simple design the components is complete Production in die-cast aluminum feasible, the one inexpensive Manufacturing for High-volume parts allows. A use of sand cores like sand casting / chill casting or one Foam models like the lost foam casting are avoided, only for smaller ones Quantities are these procedures are suitable. The assembly of the components requires a low uncomplicated assembly effort.

Die Zeichnung veranschaulicht ein Ausführungsbeispiel. Der erfindungsgemäße Wärmetauscher besteht gemäß Zeichnung 1 aus drei Hauptelementen. Der äußere Wassermantel 1 ist topfförmig ausgestaltet und hat am offenen Ende einen umlaufenden Dichtflansch 6. Die Größe des äußeren Wassermantels ist so bemessen, daß er die weiteren beiden Hauptelemente innerer Wassermantel 2 und Trennelement 3 des Wärmetauschers aufnehmen kann. Der äußere Wassermantel ist mit einem Wasserzulauf 4 für das Kühlwasser versehen und mit einem Wasserrücklauf 5 für das aufgeheizte Kühlwasser. Die Anordnung von Zu- und Rücklauf kann variieren, je nach spezieller Formgestaltung des äußeren Wassermantels im konkreten Anwendungsfall und dem dadurch bedingten Strömungsverlauf.The drawing illustrates an embodiment. According to drawing 1, the heat exchanger according to the invention consists of three main elements. The outer water jacket 1 is pot-shaped and has a circumferential sealing flange at the open end 6 , The size of the outer water jacket is such that it is the other two main elements of the inner water jacket 2 and separating element 3 of the heat exchanger can accommodate. The outer water jacket is with a water inlet 4 for the cooling water and with a water return 5 for the heated cooling water. The arrangement of the inflow and outflow can vary, depending on the specific shape of the outer water jacket in the specific application and the resulting flow pattern.

In den äußeren Wassermantel 1 wird als weiteres Hauptelement der ebenfalls topfförmige innere Wassermantel 2 hineingesetzt dessen verringerter Durchmesser so bemessen ist, daß sich zwischen den beiden Wänden von äußerem und innerem Wassermantel ein umlaufender Hohlraum 7 bildet für durchströmendes Kühlwasser. Der Wasserumlauf und Wärmeübergang kann bei Bedarf durch eine entsprechende Ausgestaltung von Leitrippen, Strömungs- und Wärmeleitflächen (Winglets) auf den Manteloberflächen gesteuert werden, dies ist jedoch nicht dargestellt. Der ebenfalls beim inneren Wassermantel am offenen Ende umlaufend vorhandene Dichtflansch 8 bildet zusammen mit der Dichtung 9 und dem Dichtflansch 6 des äußeren Wassermantels den Verschluß des Hohlraums 7 für das Kühlwasser.In the outer water jacket 1 is another main element, the pot-shaped inner water jacket 2 inserted its reduced diameter is such that there is a circumferential cavity between the two walls of the outer and inner water jacket 7 forms for cooling water flowing through. The water circulation and heat transfer can be controlled if necessary by appropriate design of guide ribs, flow and heat-conducting surfaces (winglets) on the jacket surfaces, but this is not shown. The sealing flange, which is also all around the inner water jacket at the open end 8th forms together with the seal 9 and the sealing flange 6 of the outer water jacket the closure of the cavity 7 for the cooling water.

Der Innenraum 10 des inneren Wassermantels wird durch das dritte Hauptteil Trennelement 3 abgeteilt, so daß ein Umlauf der heißen Abgase an der Innenwand des inneren Wassermantels geschieht, der die Wärme an die umlaufende Kühlwassermenge im Hohlraum 7 abgibt. Das Trennelement 3 hat als weitere Funktion die Herstellung eines Abgaseintritts 11 und Abgasaustritts 12 sowie die Abdichtfunktion für den Innenraum 10 mittels des ausgebildeten Dichtflansches 13 und der Dichtung 14. Die Abdichtung der drei Hauptteile zueinander ist somit im Flanschpaket aus den Flanschen 6, 8, 13 die jeweils aufeinander passen vereinigt. Zur Sicherung der Dichtheit kann dieses Flanschpaket nun durch eine Schraub-, Klemm- oder Klebeverbindung in bekannter Weise zusammengefügt werden. Details hierzu sind in der Zeichnung nicht dargestellt.The interior 10 of the inner water jacket is separated by the third main part 3 compartment, so that a circulation of the hot exhaust gases takes place on the inner wall of the inner water jacket, the heat to the circulating amount of cooling water in the cavity 7 emits. The separator 3 has the additional function of producing an exhaust gas inlet 11 and exhaust outlet 12 as well as the sealing function for the interior 10 by means of the trained sealing flange 13 and the seal 14 , The sealing of the three main parts to each other is therefore in the flange package from the flanges 6 . 8th . 13 each fit together. To ensure tightness, this flange package can now be assembled in a known manner by means of a screw, clamp or adhesive connection. Details of this are not shown in the drawing.

Claims (4)

Abgaswärmetauscher für wassergekühlte Brennkraftmaschine dadurch gekennzeichnet daß er aus mindestens zwei oder mehr Hauptteilen aus Aluminiumguß besteht die topfförmig ineinandergesetzt werden und so die abgas- und wasserseitigen Hohlräume für den Wärmeaustausch über die Teilewandungen mit zugehörigen Ein- und Auslässen für Abgas- bzw. Kühlwasser bilden und die durch gegenseitig aufeinander passende Flansche die ein Flanschpaket bilden zu einer Einheit verschraubt, verklemmt oder verklebt werden.Exhaust gas heat exchanger for water-cooled internal combustion engine, characterized in that it consists of at least two or more main parts made of cast aluminum, which are put together in a cup-shaped manner and thus form the exhaust and water-side cavities for heat exchange via the part walls with associated inlets and outlets for exhaust gas or cooling water and that can be screwed, clamped or glued to one another by means of mutually matching flanges that form a flange package. Abgaswärmetauscher nach Anspruch 1 dadurch gekennzeichnet daß die Hauptteile aus Aluminiumguß vorzugsweise im Druckgußverfahren hergestellt sind.Exhaust gas heat exchanger according to claim 1, characterized in that the main parts are preferably made of cast aluminum in the die casting process are made. Abgaswärmetauscher nach Anspruch 1 dadurch gekennzeichnet daß die Hauptteile aus Aluminiumguß im Sandguß-, Kokillenguß- oder Lost-Foam Gußverfahren hergestellt sind.Exhaust gas heat exchanger according to claim 1 characterized in that the main parts are made of cast aluminum using the sand casting, chill casting or lost foam casting process. Abgaswärmetauscher nach Anspruch 1 dadurch gekennzeichnet, daß die Teilewandungen der abgas- und wasserseitigen Hohlräume zur Steuerung der Wasser- und Abgasströme und des Wärmeübergangs eine Verrippung, Strömungs- oder Wärmeleitflächen aufweisen.Exhaust gas heat exchanger according to claim 1, characterized in that the part walls of the exhaust and water-side cavities to control water and exhaust gas flows and heat transfer a ribbing, flow or have heat-conducting surfaces.
DE202004003131U 2004-03-01 2004-03-01 Multi-part exhaust gas heat exchanger made of die-cast aluminum Expired - Lifetime DE202004003131U1 (en)

Priority Applications (2)

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DE202004003131U DE202004003131U1 (en) 2004-03-01 2004-03-01 Multi-part exhaust gas heat exchanger made of die-cast aluminum
FR0502008A FR2866946B1 (en) 2004-03-01 2005-02-28 EXHAUST HEAT EXCHANGER IN MULTIPLE PARTS IN ALUMINUM PRESSURE MOLDING

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005045103B3 (en) * 2005-09-21 2006-12-28 Pierburg Gmbh Exhaust gas cooling device for internal combustion engine, has heat transfer unit with pin-shaped ribs that protrude perpendicularly to mainstream direction of fluid from external housing in channel
DE102005045098A1 (en) * 2005-09-21 2007-03-22 Pierburg Gmbh Exhaust gas cooling device for an internal combustion engine has a heat-transmission unit in an outer shell with tubular interconnected ribs
DE102005054731A1 (en) * 2005-11-17 2007-05-24 Handtmann Systemtechnik Gmbh & Co. Kg Exhaust gas heat exchanger for motor vehicle, has coolant containing housing jacket, which consists of aluminum die casting, and exhaust gas conducting flat pipe, which consists of extruded aluminum section in curved U form
EP1870655A2 (en) 2006-06-24 2007-12-26 Pierburg GmbH Heat exchanger unit for a combustion engine
DE102009035723B3 (en) * 2009-07-31 2011-02-03 Pierburg Gmbh Cooling device for an internal combustion engine
DE102009040474A1 (en) * 2009-09-08 2011-03-31 Pierburg Gmbh Heat transfer device i.e. cooler, for internal combustion engine, has flange arranged at end of inner housing and including radial circumferential groove, which is arranged between seal and mixing housing
DE102005006055B4 (en) * 2005-02-10 2015-07-23 Albert Handtmann Metallgusswerk Gmbh & Co. Kg heat exchangers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2921592B1 (en) * 2007-09-28 2010-02-26 Gie Rencast ALUMINUM ALLOY PIECE FOR EXHAUST GAS TREATMENT UNIT OF THERMAL MOTOR VEHICLE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707380B1 (en) * 1993-07-06 1995-09-22 Const Aero Navale Et Safety ring exchanger for incompatible fluids.
DE4446153A1 (en) * 1994-12-23 1996-06-27 Eberspaecher J Mfr. of heat exchanger for heating air in automobile interior

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005006055B4 (en) * 2005-02-10 2015-07-23 Albert Handtmann Metallgusswerk Gmbh & Co. Kg heat exchangers
DE102005045103B3 (en) * 2005-09-21 2006-12-28 Pierburg Gmbh Exhaust gas cooling device for internal combustion engine, has heat transfer unit with pin-shaped ribs that protrude perpendicularly to mainstream direction of fluid from external housing in channel
DE102005045098A1 (en) * 2005-09-21 2007-03-22 Pierburg Gmbh Exhaust gas cooling device for an internal combustion engine has a heat-transmission unit in an outer shell with tubular interconnected ribs
DE102005045098B4 (en) * 2005-09-21 2008-02-28 Pierburg Gmbh Cooling device for an internal combustion engine
DE102005054731A1 (en) * 2005-11-17 2007-05-24 Handtmann Systemtechnik Gmbh & Co. Kg Exhaust gas heat exchanger for motor vehicle, has coolant containing housing jacket, which consists of aluminum die casting, and exhaust gas conducting flat pipe, which consists of extruded aluminum section in curved U form
EP1870655A2 (en) 2006-06-24 2007-12-26 Pierburg GmbH Heat exchanger unit for a combustion engine
EP1870655A3 (en) * 2006-06-24 2011-01-19 Pierburg GmbH Heat exchanger unit for a combustion engine
DE102009035723B3 (en) * 2009-07-31 2011-02-03 Pierburg Gmbh Cooling device for an internal combustion engine
DE102009040474A1 (en) * 2009-09-08 2011-03-31 Pierburg Gmbh Heat transfer device i.e. cooler, for internal combustion engine, has flange arranged at end of inner housing and including radial circumferential groove, which is arranged between seal and mixing housing

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Publication number Publication date
FR2866946A1 (en) 2005-09-02
FR2866946B1 (en) 2010-04-02

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