DE102005037156A1 - heat exchangers - Google Patents
heat exchangers Download PDFInfo
- Publication number
- DE102005037156A1 DE102005037156A1 DE102005037156A DE102005037156A DE102005037156A1 DE 102005037156 A1 DE102005037156 A1 DE 102005037156A1 DE 102005037156 A DE102005037156 A DE 102005037156A DE 102005037156 A DE102005037156 A DE 102005037156A DE 102005037156 A1 DE102005037156 A1 DE 102005037156A1
- Authority
- DE
- Germany
- Prior art keywords
- heat exchanger
- tubes
- housing
- housing shell
- 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.)
- Withdrawn
Links
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
- F28D7/163—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 with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
- F28D7/1653—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 with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having a square or rectangular shape
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- 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
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/32—Liquid-cooled heat exchangers
-
- 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
- F28F9/0236—Header boxes; End plates floating elements
- F28F9/0241—Header boxes; End plates floating elements floating end plates
-
- 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
- F28F2255/02—Flexible 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
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements
Abstract
Die Erfindung betrifft einen Wärmetauscher, insbesondere für ein Kraftfahrzeug, mit einer Mehrzahl parallel zueinander verlaufender Rohre (1), die zur Durchströmung mit einem ersten Medium ausgelegt sind, einem die Rohre (1) umschließenden Gehäusemantel (2), der zur Durchströmung mit einem zweiten Medium ausgelegt ist, wobei die Rohre (1) durch mindestens zwei voneinander beabstandete Rohrböden (3) gehalten werden, die wiederum mit der Innenwandung (4) des Gehäusemantels (2) verbunden sind. Erfindungsgemäß ist mindestens einer der Rohrböden (3) über ein elastisches, verformbares Formteil (3.1) mit dem Gehäusemantel (2) verbunden, wobei das Formteil (3.1) unterschiedliche thermische Ausdehnungen des Gehäusemantels (2) einerseits und der Rohre (1) andererseits durch Verformung ausgleicht.The invention relates to a heat exchanger, in particular for a motor vehicle, having a plurality of mutually parallel tubes (1), which are designed to flow through with a first medium, a housing jacket (2) enclosing the tubes (1), which flows through with a second Medium is designed, wherein the tubes (1) by at least two spaced-apart tube sheets (3) are held, which in turn with the inner wall (4) of the housing shell (2) are connected. According to the invention, at least one of the tubesheets (3) is connected to the housing shell (2) via an elastic, deformable molded part (3.1), wherein the molded part (3.1) has different thermal expansions of the housing jacket (2) on the one hand and the tubes (1) on the other hand due to deformation balances.
Description
Die Erfindung betrifft einen Wärmetauscher, insbesondere für ein Kraftfahrzeug nach dem Oberbegriff des Patentanspruchs 1.The The invention relates to a heat exchanger, in particular for a Motor vehicle according to the preamble of patent claim 1.
Aus
der
Derartige Wärmetauscher werden durch hohe Temperaturen, das beträchtliche Temperaturgefälle der einzelnen Medien zwischen Einlass und Auslass sowie vor allem durch die großen Temperaturunterschiede zwischen den beiden Medien, z.B. zwischen den stark erhitzten Abgasen und dem einströmenden Kühlmittel, thermisch hoch beansprucht. Den dadurch in den Bauteilen des Wärmetauschers hervorgerufenen hohen Wärmespannungen können sich noch zusätzliche Spannungen durch betriebsbedingte rasche Temperaturschwankungen, z.B. bei Lastwechsel der Brennkraftmaschine, überlagern. Die thermisch besonders hoch beanspruchten Befestigungsstellen der Rohre an ihrer Einmündung in die Kammern sind meist zusätzlich erheblichen mechanischen Belastungen durch Biegemomente und Zugkräfte, die vom Überdruck eines Medium hervorgerufen werden, ausgesetzt.such heat exchangers are due to high temperatures, the considerable temperature gradient of the individual media between inlet and outlet as well as above all through the big ones Temperature differences between the two media, e.g. between the highly heated exhaust gases and the incoming coolant, high thermal stress. The thereby caused in the components of the heat exchanger high thermal stresses can additional Tensions due to operational rapid temperature fluctuations, e.g. at load changes of the internal combustion engine, superimpose. The thermally special highly stressed attachment points of the pipes at their confluence in the chambers are usually additional considerable mechanical loads due to bending moments and tensile forces, the from overpressure of a medium are exposed.
Der Erfindung liegt daher die Aufgabe zugrunde, diese thermisch bedingten Spannungen abzubauen, d.h. die daraus resultierenden Beanspruchungen in den Bauteilen des Wärmetauschers herabzusetzen, um damit eine größere Sicherheit und höhere Lebensdauer für den eingangs genannten Wärmetauscher zu erreichen.Of the Invention is therefore the object of this thermally induced Reduce stresses, i. the resulting stresses in the components of the heat exchanger to decrease, thereby providing greater security and higher Lifetime for the heat exchanger mentioned above to reach.
Die Erfindung löst dieses Problem durch die Bereitstellung eines Wärmetauschers mit den Merkmalen des Anspruchs 1. Bei dem erfindungsgemäßen Wärmetauscher ist mindestens einer der Rohrböden über ein elastisches, verformbares Formteil mit dem Gehäusemantel verbunden, wobei das Formteil unterschiedliche thermische Ausdehnungen des Gehäusemantels einerseits und der Rohre andererseits durch Verformung ausgleicht. Das Formteil nimmt Verformungen der sich unter der Einwirkung der heißen Abgase und des weniger heißen Kühlmittels verschieden stark ausdehnenden Gehäusemantels und der Rohre auf. Dadurch werden vorteilhafter Weise Schäden durch Spannungsspitzen in dem thermisch stark beanspruchten Gehäuse im Bereich der Einmündungen der Rohre vermieden.The Invention solves this problem by providing a heat exchanger with the features of claim 1. In the heat exchanger according to the invention is at least one of the tube sheets over elastic, deformable molded part connected to the housing shell, wherein the molding different thermal expansion of the housing shell on the one hand and the pipes on the other compensated by deformation. The molded part absorbs deformations under the influence of the be called Exhaust gases and less hot refrigerant different strongly expanding housing jacket and the pipes. This will advantageously damage by voltage spikes in the thermally stressed housing in the area of the junctions avoided the pipes.
In einer Weiterbildung der Erfindung nach Anspruch 2 ist der Rohrboden elastisch verformbar. Ein elastischer Rohrboden ermöglicht die Ausdehnung der Rohre bzw. der Rohrbündel und vermeidet in günstiger Weise kritische Bauteilspannungen im Bereich des Kraftflusses Rohre bzw. Rohrbündel – Rohrboden – Gehäusemantel.In a development of the invention according to claim 2 is the tube sheet elastically deformable. An elastic tube bottom allows the Expansion of the tubes or tube bundles and avoids cheaper Way critical component stresses in the field of force flow tubes or tube bundle - tubesheet - housing jacket.
In einer alternativen Weiterbildung nach Anspruch 3 ist das Formteil ein integraler Bestandteil des Rohrbodens.In an alternative development according to claim 3 is the molding an integral part of the tubesheet.
In einer bevorzugten Weiterbildung der Erfindung nach Anspruch 4 weist das Formteil zusätzlich eine Sicke auf.In a preferred embodiment of the invention according to claim 4 the molding additionally one Bead on.
In einer vorteilhaften Weiterbildung der Erfindung nach Anspruch 5 ist der Gehäusemantel mit einem Abstand L zu den Rohren angeordnet.In An advantageous development of the invention according to claim 5 is the housing jacket arranged at a distance L to the tubes.
In einem besonders bevorzugten Weiterbildung der Erfindung nach Anspruch 6 ist der Gehäusemantel an den Enden des Wärmetauschers im Bereich des Rohrbodens aufgeweitet.In a particularly preferred embodiment of the invention according to claim 6 is the housing shell at the ends of the heat exchanger widened in the region of the tube bottom.
In einer Weiterbildung der Erfindung nach Anspruch 7 weist der Gehäusemantel mehrere Eintrittsöffnungen und/oder Austrittsöffnungen für das Kühlmittel auf.In a development of the invention according to claim 7, the housing shell several inlets and / or outlet openings for the coolant on.
Weitere Merkmale, Vorteile und vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Ansprüchen, sowie aus der nachstehenden Beschreibung der Erfindung anhand der beigefügten Zeichnungen. Dabei zeigen beispielhaft auf vereinfachte schematische Weise:Further Features, advantages and advantageous embodiments of the invention result from the claims, and from the following description of the invention with reference to the attached drawings. By way of example, in a simplified schematic manner:
In
Beim
Betrieb des Abgaswärmetauschers
erwärmen
sich Rohre
Erfindungsgemäß ist daher
in vorteilhafter Weise mindestens einer der Rohrböden
Das
Formteil
Die
Rohre
Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005037156A DE102005037156A1 (en) | 2005-08-06 | 2005-08-06 | heat exchangers |
PCT/EP2006/007087 WO2007017064A1 (en) | 2005-08-06 | 2006-07-19 | Heat exchanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005037156A DE102005037156A1 (en) | 2005-08-06 | 2005-08-06 | heat exchangers |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005037156A1 true DE102005037156A1 (en) | 2007-02-08 |
Family
ID=37025276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005037156A Withdrawn DE102005037156A1 (en) | 2005-08-06 | 2005-08-06 | heat exchangers |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102005037156A1 (en) |
WO (1) | WO2007017064A1 (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2933178A1 (en) * | 2008-06-26 | 2010-01-01 | Valeo Systemes Thermiques | HEAT EXCHANGER AND CARTER FOR THE EXCHANGER |
EP2322890A1 (en) * | 2009-11-16 | 2011-05-18 | Thermex Ltd. | A marine heat exchanger |
EP2336539A3 (en) * | 2009-12-18 | 2012-03-28 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas cooler and exhaust gas recirculation system for internal combustion engine |
WO2013092641A1 (en) * | 2011-12-22 | 2013-06-27 | Valeo Termico, S.A. | Heat exchanger for gases, in particular for the exhaust gases of an engine |
US8739857B2 (en) | 2008-06-26 | 2014-06-03 | Valeo Systemes Thermiques | Heat exchanger comprising a heat exchange core and a housing |
US20150129182A1 (en) * | 2012-05-01 | 2015-05-14 | Benteler Automobiltechnik Gmbh | Heat exchanger comprising a supply channel |
CN105179123A (en) * | 2011-01-19 | 2015-12-23 | Getas热力驱动系统有限公司 | Axial piston motor and method for operating an axial piston motor |
US9335099B2 (en) | 2008-06-26 | 2016-05-10 | Valeo Systemes Thermiques | Heat exchanger comprising a heat exchanger bundle and a housing |
US9599412B2 (en) | 2008-06-26 | 2017-03-21 | Valeo Systemes Thermiques | Heat exchanger and casing for the exchanger |
EP3196579A1 (en) * | 2016-01-19 | 2017-07-26 | Mahle International GmbH | Heat exchanger |
WO2019002297A1 (en) * | 2017-06-30 | 2019-01-03 | Valeo Systemes Thermiques | Collector plate, header box and corresponding heat exchanger |
CN109458279A (en) * | 2017-09-06 | 2019-03-12 | 西班牙博格华纳排放系统公司 | Compact heat exchanger |
CN112664955A (en) * | 2020-12-21 | 2021-04-16 | 湖南长科诚享石化科技有限公司 | System for be used for handling solid sediment of oiliness |
US11333391B2 (en) * | 2017-06-28 | 2022-05-17 | Gree Electric Appliances (Wuhan) Co., Ltd. | Air port component and air conditioner |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5781756B2 (en) * | 2010-12-17 | 2015-09-24 | 日野自動車株式会社 | EGR cooler |
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GB763896A (en) * | 1954-04-27 | 1956-12-19 | Wilfried Strik Strikfeldt | Improvements in heat exchangers |
FR1228182A (en) * | 1958-03-05 | 1960-08-26 | Superheater Co Ltd | Improvements to tubular heat exchangers |
DE2224211A1 (en) * | 1972-05-18 | 1973-11-29 | Scheer & Cie C F | Movement compensating disc - between two fluid conducting components esp in heat exchanger |
GB1488349A (en) * | 1974-11-29 | 1977-10-12 | Haldor Topsoe As | Heat exchange apparatus |
US4434840A (en) * | 1981-07-24 | 1984-03-06 | O'donnell & Associates Inc. | Expansion joint for reactor or heat exchanger |
DD215386A1 (en) * | 1983-06-10 | 1984-11-07 | Luft U Kaeltetechnik K | END OF TUBE FOR TUBE BELT WASHER |
SE462815B (en) * | 1988-10-05 | 1990-09-03 | Sune Malm | DEVICE FOR HEAT EXCHANGER, WHICH HAS A TUBPLATE THAT SEALS THE CONNECTOR TO AN OUTER COAT WITH A FLEXIBLE CONNECTING ELEMENT WHICH SECTIONAL SECTION IS ESSENTIALLY THE FORM OF A QUARTER CIRCLE |
DE10224263A1 (en) * | 2002-05-31 | 2003-12-11 | Behr Gmbh & Co | Exhaust heat exchanger, particularly for motor vehicles with an exhaust gas return system, comprises a second tube plate which is constituted as an elastic movable bearing for the tube ends |
AT412310B (en) * | 2003-06-03 | 2004-12-27 | Alpps Fuel Cell Systems Gmbh | MICRO REACTOR |
JP2005036765A (en) * | 2003-07-18 | 2005-02-10 | Hino Motors Ltd | Egr cooler |
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2005
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- 2006-07-19 WO PCT/EP2006/007087 patent/WO2007017064A1/en active Application Filing
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9335099B2 (en) | 2008-06-26 | 2016-05-10 | Valeo Systemes Thermiques | Heat exchanger comprising a heat exchanger bundle and a housing |
WO2010003807A1 (en) * | 2008-06-26 | 2010-01-14 | Valeo Systemes Thermiques | Heat exchanger and casing for the heat exchanger |
EP2378235A1 (en) * | 2008-06-26 | 2011-10-19 | Valeo Systemes Thermiques | Heat exchanger and casing for the exchanger |
US9599412B2 (en) | 2008-06-26 | 2017-03-21 | Valeo Systemes Thermiques | Heat exchanger and casing for the exchanger |
FR2933178A1 (en) * | 2008-06-26 | 2010-01-01 | Valeo Systemes Thermiques | HEAT EXCHANGER AND CARTER FOR THE EXCHANGER |
US8739857B2 (en) | 2008-06-26 | 2014-06-03 | Valeo Systemes Thermiques | Heat exchanger comprising a heat exchange core and a housing |
CN102138056B (en) * | 2008-06-26 | 2015-02-18 | 法雷奥热系统公司 | Heat exchanger and casing for the heat exchanger |
US9377252B2 (en) | 2008-06-26 | 2016-06-28 | Valeo Systemes Thermiques | Heat exchanger and casing for the heat exchanger |
EP2322890A1 (en) * | 2009-11-16 | 2011-05-18 | Thermex Ltd. | A marine heat exchanger |
EP2336539A3 (en) * | 2009-12-18 | 2012-03-28 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas cooler and exhaust gas recirculation system for internal combustion engine |
US9540930B2 (en) | 2011-01-19 | 2017-01-10 | Getas Gesellschaft Fuer Thermodynamische Antriebssysteme Mbh | Axial piston motor and method for operation of an axial piston motor |
CN105179123B (en) * | 2011-01-19 | 2018-07-24 | Getas热力驱动系统有限公司 | Axial-piston motor and method for operating axial piston type motor |
CN105179123A (en) * | 2011-01-19 | 2015-12-23 | Getas热力驱动系统有限公司 | Axial piston motor and method for operating an axial piston motor |
EP2985411A1 (en) * | 2011-01-19 | 2016-02-17 | GETAS Gesellschaft für thermodynamische Antriebssysteme mbH | Axial piston motor and method for operating an axial piston motor |
US9540931B2 (en) | 2011-01-19 | 2017-01-10 | Getas Gesellschaft Fuer Thermodynamische Antriebssysteme Mbh | Axial piston motor and method for operation of an axial piston motor |
WO2013092641A1 (en) * | 2011-12-22 | 2013-06-27 | Valeo Termico, S.A. | Heat exchanger for gases, in particular for the exhaust gases of an engine |
US9791215B2 (en) | 2011-12-22 | 2017-10-17 | Valeo Termico, S.A. | Heat exchanger for gases, in particular for the exhaust gases of an engine |
ES2409534R1 (en) * | 2011-12-22 | 2013-10-11 | Valeo Termico Sa | HEAT EXCHANGER FOR GASES, ESPECIALLY OF EXHAUST GASES OF AN ENGINE |
US20150129182A1 (en) * | 2012-05-01 | 2015-05-14 | Benteler Automobiltechnik Gmbh | Heat exchanger comprising a supply channel |
EP3196579A1 (en) * | 2016-01-19 | 2017-07-26 | Mahle International GmbH | Heat exchanger |
US11333391B2 (en) * | 2017-06-28 | 2022-05-17 | Gree Electric Appliances (Wuhan) Co., Ltd. | Air port component and air conditioner |
FR3073613A1 (en) * | 2017-06-30 | 2019-05-17 | Valeo Systemes Thermiques | COLLECTOR PLATE, COLLECTOR BOX, AND THERMAL EXCHANGER CORRESPONDING |
WO2019002297A1 (en) * | 2017-06-30 | 2019-01-03 | Valeo Systemes Thermiques | Collector plate, header box and corresponding heat exchanger |
CN109458279A (en) * | 2017-09-06 | 2019-03-12 | 西班牙博格华纳排放系统公司 | Compact heat exchanger |
CN109458279B (en) * | 2017-09-06 | 2021-04-02 | 西班牙博格华纳排放系统公司 | Compact heat exchanger |
US11262143B2 (en) | 2017-09-06 | 2022-03-01 | Borgwarner Emissions Systems Spain, S.L.U. | Compact heat exchanger |
EP3454001A1 (en) * | 2017-09-06 | 2019-03-13 | Borgwarner Emissions Systems Spain, S.L.U. | Compact heat exchanger |
CN112664955A (en) * | 2020-12-21 | 2021-04-16 | 湖南长科诚享石化科技有限公司 | System for be used for handling solid sediment of oiliness |
Also Published As
Publication number | Publication date |
---|---|
WO2007017064A1 (en) | 2007-02-15 |
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Legal Events
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8127 | New person/name/address of the applicant |
Owner name: DAIMLERCHRYSLER AG, 70327 STUTTGART, DE |
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8127 | New person/name/address of the applicant |
Owner name: DAIMLER AG, 70327 STUTTGART, DE |
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8120 | Willingness to grant licences paragraph 23 | ||
R120 | Application withdrawn or ip right abandoned | ||
R120 | Application withdrawn or ip right abandoned |
Effective date: 20120127 |