EP1528348A1 - Echangeur de chaleur - Google Patents

Echangeur de chaleur Download PDF

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Publication number
EP1528348A1
EP1528348A1 EP04024691A EP04024691A EP1528348A1 EP 1528348 A1 EP1528348 A1 EP 1528348A1 EP 04024691 A EP04024691 A EP 04024691A EP 04024691 A EP04024691 A EP 04024691A EP 1528348 A1 EP1528348 A1 EP 1528348A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
tubes
structures
exchanger according
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.)
Granted
Application number
EP04024691A
Other languages
German (de)
English (en)
Other versions
EP1528348B1 (fr
Inventor
Peter Dr. Geskes
Daniel Hendrix
Rainer Lutz
Ulrich Maucher
Jens Richter
Martin Schindler
Michael Schmidt
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
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Priority to BRPI0415609-9A priority Critical patent/BRPI0415609A/pt
Priority to US10/576,523 priority patent/US20070017661A1/en
Priority to JP2006534726A priority patent/JP4676438B2/ja
Priority to PCT/EP2004/011867 priority patent/WO2005040708A1/fr
Publication of EP1528348A1 publication Critical patent/EP1528348A1/fr
Application granted granted Critical
Publication of EP1528348B1 publication Critical patent/EP1528348B1/fr
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
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • 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
    • F28F9/02—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
    • F28F9/0268—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 in the form of multiple deflectors for channeling the heat exchange medium
    • 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
    • F28F2215/00—Fins
    • F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities

Definitions

  • the invention relates to a heat exchanger, in particular for a motor vehicle, according to the preamble of claim 1.
  • a heat exchanger is provided, with a housing and at least one tube disposed in the housing, wherein structures provided between the tubes and the housing and / or the tubes are:
  • the primary medium flows through the pipes.
  • the secondary medium is in the spaces between the pipes and / or between the pipes Tubes and the housing, in which also arranged the structures are.
  • the structures increase the strength by stiffening with respect Internal and external pressure stresses of the pipes. Through the coupling There is also a continuous compensation between tubes and housing the thermal stresses between primary and secondary side over the entire Radiator length, so that the stresses at the ends of the tubes clearly be reduced.
  • the structures also serve the fluid line and - distribution in the heat exchanger.
  • the ribbed plates also allow a better heat transfer, so through the improved heat transfer Thermoelectric voltages can be reduced. By the increased Transfer surface, the pipes are better cooled and boil can be avoided. Overall, this results in a significant increase the power density of the heat exchanger over conventional Heat exchangers without structures.
  • Preferred structures are sheet metal structures in the form of separate tubes, ribbed plates, dimpled plates, etc. inserted.
  • the heat exchanger may in particular an exhaust gas heat exchanger or intercooler, but also another heat exchanger,
  • another gas-liquid heat exchanger in which hot gas flows through pipes in the heat exchanger (cooler) for cooling a liquid-gas heat exchanger, where the cold gas in pipes flows through the heat exchanger (heater) for heating, or a liquid-liquid heat exchanger be.
  • sheet metal structures can also use the pipes and / or the housing accordingly Structures be formed, i. in particular, the pipe surface can be rib-like and / or knob-like be formed.
  • the structures are preferred a height of 1 mm to 5 mm, preferably 1 mm to 3 mm, in particular preferably 1.5 mm.
  • the pitch L of the structures is preferred 0.1 to 6 times, more preferably 0.5 to 4 times the Structure height h.
  • the transverse dimension Q is preferably 0.15 to 8 times, more preferably 0.5 to 5 times the structural height h.
  • the relationship of channel height between the pipes and channel height in the pipe is in Range of structures preferably 0.1 to 1, preferably 0.2 to 0.7.
  • Of the hydraulic diameter between the tubes is in the range with Structures preferably 0.5 mm to 10 mm, preferably 1 mm to 5 mm.
  • the structures with the housing and / or the tubes are fixed connected, in particular soldered.
  • Due to the solid compound the external pressure resistance becomes very efficient (Overpressure on the secondary side) increases because the structures provide tie rods, which prevent the collapse of the pipe.
  • the structures provide tie rods, which prevent the collapse of the pipe.
  • Vibrations of relatively unstable in conventional heat exchangers tubes dampened by the structures, as well as a very efficient balancing of the Thermoelectric voltages brought about. It also supports the fixed connection the heat transfer from the pipes to the structures, making a better Cooling of the pipes takes place. Through an improved heat transfer In addition, the number of tubes can be reduced, so that the production costs can be lowered.
  • the tubes are preferably at least partially formed by flat tubes.
  • Flat tubes are thermodynamically much more efficient than Round tubes, however, have a lower pressure resistance, which is why flat tubes pressure-increasing measures are required, as in the invention a support structure on the tube outside.
  • one-piece rectangular tubes can be provided. These can have a longitudinal seam which is welded, for example laser-welded, friction welded, induction welded, or soldered.
  • the Rectangular tubes can also be constructed from shells that are welded or soldered.
  • the tubes can also be any other shape, For example, oval, have and / or have lateral tabs that soldered or welded.
  • the tubes for tolerance compensation between the housing and tubes and the interposed Structure d slightly spherical structures.
  • Turbulators winglets
  • the pipe surface inside and / or outside
  • the pipe surface can also be structured to generate turbulence be.
  • the structures preferably at least partially have an inhomogeneous one Build up, which targeted coolant are fed to critical areas can, so that overheating or boiling can be avoided. A corresponding increased supply of coolant may also be due to the partial Omission of structures can be achieved. Through these measures can be the pressure drop of the heat exchanger and the lateral distribution of the Optimize coolant in the heat exchanger.
  • the areas with inhomogeneous Structures are preferably in the region of the inlet and / or outlet of the Fluid. They serve in particular the flow control and the pressure loss keep as low as possible.
  • the housing is preferred formed in two or more parts, in particular as a U-shaped shell with a lid, wherein a water box be integrated in the lid formed can.
  • a water box be integrated in the lid formed can.
  • the housing is also a one-piece construction, for example with a molded water box, possible.
  • Structures may also be provided in the tubes themselves, all of them above-mentioned Structures that can be provided between the tubes, also in the pipes can be integrated.
  • the structures are preferred Formed rib plates or Noppenbleche, for example, by welding, Soldering or jamming are connected to the pipe.
  • the Structures preferably have a height of 1 mm to 5 mm, preferably 1 mm to 3 mm, particularly preferably 1.5 mm.
  • the division L of the structures is preferably 0.5 to 6 times the structural height h.
  • the cross distribution Q is preferably 0.5 to 8 times the structural height h.
  • the hydraulic Diameter in the tube is preferred in the area with structures 0.5 mm to 10 mm, preferably 1 mm to 5 mm.
  • An exhaust gas heat exchanger 1 has a two-part housing 2 and a Plural in this case 2 arranged pipes 3. Between the individual Tubes 3 and between the housing 2 and the tubes 3 are as Structures ribbed plates 4 provided, said rib plates 4 according to toothed formed in the present embodiment, as shown in FIG. 3 and described in more detail later. At the pipes 3 these are flat tubes in the present case.
  • the housing 2 in the tubes 3 are arranged, consists of a U-shaped first housing part 2 'and a housing cover 2 ", which from the top of the first Housing part 2 'is set.
  • the housing cover 2 " For inlet and outlet of the coolant (liquid Secondary medium), two coolant nozzles 5 are provided in the housing cover 2 ", wherein the flow direction of the coolant in DC operation in Fig. 2 is shown by dashed arrows. It is also one Flow in countercurrent operation possible, including the flow direction is reversed. Since the coolant through the housing 2 and around the pipes 3 is conducted, the fin sheets 4 are arranged on the coolant side.
  • the straight toothed ribbed plates 4 point in the direction of in Fig. 3 with a solid line arrow shown a light Passage and in the arrow indicated by a dashed line heavier passage for the coolant.
  • the Flow to be influenced.
  • a helical gearing possible.
  • these can also target the coolant delivery support particularly critical points, including the ribbed plates 4 at least partially formed inhomogeneous.
  • Fig. 4 is a simple variant of a ribbed plate with a straight in Direction extending rib representing a longitudinal pitch L of 2.4 mm and a rib or structural height h of 1.5 mm. It can The ribbed sheet can also be bent out of a perforated plate, so that the individual Wave flanks are permeable due to the perforation.
  • FIGS. 5a-d show various inhomogeneous regions of the fin sheets 4 forming structures. These cause a better distribution of the fluid at the inflow.
  • transverse distribution channels are provided by forming or punching.
  • the rib bleaching 4 became partial cut off.
  • Fig. 5d shows a variant with a special on the fin plate 4 trained distribution structure. A corresponding to the figures 5a to 5d inhomogeneous area can also be provided on the outflow side be.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
EP04024691.0A 2003-10-20 2004-10-15 Echangeur de chaleur Expired - Lifetime EP1528348B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BRPI0415609-9A BRPI0415609A (pt) 2003-10-20 2004-10-20 trocador de calor
US10/576,523 US20070017661A1 (en) 2003-10-20 2004-10-20 Heat exchanger
JP2006534726A JP4676438B2 (ja) 2003-10-20 2004-10-20 熱交換器
PCT/EP2004/011867 WO2005040708A1 (fr) 2003-10-20 2004-10-20 Echangeur thermique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10349259 2003-10-20
DE10349259 2003-10-20

Publications (2)

Publication Number Publication Date
EP1528348A1 true EP1528348A1 (fr) 2005-05-04
EP1528348B1 EP1528348B1 (fr) 2014-03-05

Family

ID=34399543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04024691.0A Expired - Lifetime EP1528348B1 (fr) 2003-10-20 2004-10-15 Echangeur de chaleur

Country Status (3)

Country Link
EP (1) EP1528348B1 (fr)
CN (1) CN100447518C (fr)
DE (1) DE102004050567A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005042315A1 (de) * 2005-09-06 2007-03-08 Behr Gmbh & Co. Kg Kühlmittelkühler, insbesondere für ein Kraftfahrzeug
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
EP2284471A2 (fr) * 2009-07-31 2011-02-16 Pierburg GmbH Dispositif de refroidissement pour un moteur à combustion interne
WO2013050566A1 (fr) * 2011-10-05 2013-04-11 Valeo Termico, S.A. Echangeur thermique pour gaz, en particulier pour des gaz d'échappement de moteurs
CN107246609A (zh) * 2017-05-22 2017-10-13 中国北方车辆研究所 一种预混点火室及包括点火室的燃烧器系统
CN107314369A (zh) * 2017-05-22 2017-11-03 中国北方车辆研究所 一种预混点火、扩散燃烧器系统
CN110260304A (zh) * 2017-05-22 2019-09-20 中国北方车辆研究所 一种二次进风筒的设计方法及其燃烧器系统

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8002022B2 (en) 2005-09-16 2011-08-23 Behr Gmbh & Co. Kg Heat exchanger, in particular exhaust gas heat exchanger for motor vehicles
US8915292B2 (en) 2006-02-07 2014-12-23 Modine Manufacturing Company Exhaust gas heat exchanger and method of operating the same
EP2134941B1 (fr) 2007-03-16 2017-11-08 MAHLE Behr GmbH & Co. KG Canal d'écoulement, échangeur de chaleur, système de recyclage des gaz d'échappement, système d'apport d'air de suralimentation et utilisation d'un échangeur de chaleur
DE102007024379A1 (de) * 2007-05-23 2008-11-27 Mingatec Gmbh Plattenapparat für Wärmeübertragungsvorgänge
DE102009012027A1 (de) * 2009-03-10 2010-09-16 Behr Gmbh & Co. Kg Vorrichtung zur Zuführung von Verbrennungsluft zu einem Verbrennungsmotor
DE102012217872A1 (de) * 2012-09-28 2014-04-03 Behr Gmbh & Co. Kg Wärmeübertrager
CN105486150A (zh) * 2016-01-11 2016-04-13 芜湖美的厨卫电器制造有限公司 换热件和换热器
CN107246346B (zh) * 2017-05-22 2018-11-27 中国北方车辆研究所 一种燃烧器安装底座及包括底座的燃烧器系统
GB2565145B (en) * 2017-08-04 2021-06-30 Hieta Tech Limited Heat exchanger
CN108626037B (zh) * 2018-06-11 2024-06-18 山东宇洋汽车尾气净化装置有限公司 一种紧凑式egr冷却器
CN109612311A (zh) * 2019-01-17 2019-04-12 广东环葆嘉节能科技有限公司 一种换热组件及换热器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10060102A1 (de) * 1999-12-20 2001-06-21 Denso Corp Abgas-Wärmetauscher
FR2809170A1 (fr) * 2000-05-22 2001-11-23 Denso Corp Echangeur de chaleur a gaz d'echappement
US20030010479A1 (en) * 2001-07-10 2003-01-16 Takayuki Hayashi Exhaust gas heat exchanger
JP2003106794A (ja) * 2000-12-19 2003-04-09 Denso Corp 排気熱交換装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4221931B2 (ja) * 2001-07-10 2009-02-12 株式会社デンソー 排気熱交換器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10060102A1 (de) * 1999-12-20 2001-06-21 Denso Corp Abgas-Wärmetauscher
FR2809170A1 (fr) * 2000-05-22 2001-11-23 Denso Corp Echangeur de chaleur a gaz d'echappement
JP2003106794A (ja) * 2000-12-19 2003-04-09 Denso Corp 排気熱交換装置
US20030010479A1 (en) * 2001-07-10 2003-01-16 Takayuki Hayashi Exhaust gas heat exchanger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 08 6 August 2003 (2003-08-06) *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005042315A1 (de) * 2005-09-06 2007-03-08 Behr Gmbh & Co. Kg Kühlmittelkühler, insbesondere für ein Kraftfahrzeug
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
EP1816425A3 (fr) * 2006-02-07 2012-06-27 Modine Manufacturing Company Echangeur thermique de gaz d'échappement dans un agencement de recyclage des gaz d'échappement
EP2284471A2 (fr) * 2009-07-31 2011-02-16 Pierburg GmbH Dispositif de refroidissement pour un moteur à combustion interne
WO2013050566A1 (fr) * 2011-10-05 2013-04-11 Valeo Termico, S.A. Echangeur thermique pour gaz, en particulier pour des gaz d'échappement de moteurs
EP2764231B1 (fr) 2011-10-05 2017-06-07 Valeo Termico S.A. Echangeur thermique pour gaz, en particulier pour des gaz d'échappement de moteurs
CN110260304A (zh) * 2017-05-22 2019-09-20 中国北方车辆研究所 一种二次进风筒的设计方法及其燃烧器系统
CN107314369A (zh) * 2017-05-22 2017-11-03 中国北方车辆研究所 一种预混点火、扩散燃烧器系统
CN107246609A (zh) * 2017-05-22 2017-10-13 中国北方车辆研究所 一种预混点火室及包括点火室的燃烧器系统
CN110274225A (zh) * 2017-05-22 2019-09-24 中国北方车辆研究所 一种安装支架及其燃烧器系统
CN110274227A (zh) * 2017-05-22 2019-09-24 中国北方车辆研究所 一种燃烧供风圆板及其燃烧器系统
CN110274226A (zh) * 2017-05-22 2019-09-24 中国北方车辆研究所 一种旋流发生板及其燃烧器系统
CN107314369B (zh) * 2017-05-22 2020-05-12 中国北方车辆研究所 一种预混点火、扩散燃烧器系统
CN107246609B (zh) * 2017-05-22 2020-05-12 中国北方车辆研究所 一种预混点火室及包括点火室的燃烧器系统
CN110274225B (zh) * 2017-05-22 2020-10-30 中国北方车辆研究所 一种安装支架及其燃烧器系统
CN110260304B (zh) * 2017-05-22 2021-05-28 中国北方车辆研究所 一种二次进风筒的设计方法及其燃烧器系统

Also Published As

Publication number Publication date
EP1528348B1 (fr) 2014-03-05
DE102004050567A1 (de) 2005-06-09
CN100447518C (zh) 2008-12-31
CN1898519A (zh) 2007-01-17

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