EP2136174A2 - Echangeur thermique de gaz d'échappement - Google Patents

Echangeur thermique de gaz d'échappement Download PDF

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Publication number
EP2136174A2
EP2136174A2 EP09007732A EP09007732A EP2136174A2 EP 2136174 A2 EP2136174 A2 EP 2136174A2 EP 09007732 A EP09007732 A EP 09007732A EP 09007732 A EP09007732 A EP 09007732A EP 2136174 A2 EP2136174 A2 EP 2136174A2
Authority
EP
European Patent Office
Prior art keywords
beads
heat exchanger
bead
jacket tube
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.)
Granted
Application number
EP09007732A
Other languages
German (de)
English (en)
Other versions
EP2136174A3 (fr
EP2136174B1 (fr
Inventor
Andreas Roth
Christoph Lempa
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.)
Benteler Automobiltechnik GmbH
Original Assignee
Benteler Automobiltechnik GmbH
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 Benteler Automobiltechnik GmbH filed Critical Benteler Automobiltechnik GmbH
Priority to EP17186705.4A priority Critical patent/EP3270083B1/fr
Publication of EP2136174A2 publication Critical patent/EP2136174A2/fr
Publication of EP2136174A3 publication Critical patent/EP2136174A3/fr
Application granted granted Critical
Publication of EP2136174B1 publication Critical patent/EP2136174B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F28D7/10—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
    • F28D7/106—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 consisting of two coaxial conduits or modules of two coaxial conduits
    • 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
    • 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
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
    • 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
    • F28F2225/00—Reinforcing means
    • F28F2225/02—Reinforcing means for casings

Definitions

  • the invention relates to an exhaust gas heat exchanger with a jacket tube made of sheet steel according to the features in the preamble of claim 1.
  • Such an exhaust gas heat exchanger is used in engine construction.
  • the jacket tube which is referred to in professional circles as a cooling cassette, formed from a partitioned off from a rectangular tube length portion. Due to the predetermined cross-sectional shape of the rectangular tube, the practice is therefore bound to it and consequently limited in terms of the available installation space. Furthermore, due to the tubular shape, the range of variation for the definition of connections and / or attachments is naturally limited.
  • the invention has for its object to provide an exhaust gas heat exchanger with a jacket tube, both in terms of its design as Also with regard to connections and / or attachments can be flexibly adapted to the available installation space.
  • the jacket tube of the exhaust gas heat exchanger is formed from a board, which is punched according to the desired specifications, then formed into a polygonal tube and then longitudinally welded.
  • a jacket tube it is now readily possible to produce a deviating from the rectangular cross-section geometry.
  • a trapezoidal or approximately trapezoidal cross section is conceivable.
  • a longitudinally stepped casing tube can be produced, whereby an even better adaptation to the respective available installation space is possible.
  • the invention provides the prerequisites that measures can already be taken on the board to be punched to provide connections or attachments without significant design effort on the finished jacket pipe.
  • the jacket tube forms the housing of the exhaust gas heat exchanger.
  • the heat exchange itself takes place in the space enclosed by the jacket tube interior, so that the jacket tube itself does not participate in the heat exchange.
  • casing pipe and the name cooling cassette is common because exhaust gases are cooled within the designed in cassette exhaust heat exchanger.
  • the features of claim 2 provide that at least one side wall of the jacket tube is provided with beads.
  • the introduction of the beads is done before forming the board to a polygonal pipe.
  • at least two opposing side walls of the jacket tube provided with preferably embossed from the inside outward beads (claim 5). Due to the jacket tube reinforcing beads can be met with such a jacket pipe requirements of practice, after which the jacket tube must withstand a required bursting pressure of eg 5 bar.
  • the production of the beads prepares the punching of the board no significant manufacturing problems.
  • a particularly advantageous embodiment of the arrangement of beads is achieved within the scope of the features of claim 2.
  • S-bead S-shaped curve
  • the S-bead has concave end portions toward the central longitudinal line of the sidewall.
  • open C-shaped beads C-beads
  • Between the end sections of the S-bead and the C-beads are located in the region of the center longitudinal line lying round beads (round beads) and in the area of the central transverse line of the side wall next to a diagonal leg of the S-bead arranged triangular beads (triangular beads). All beads are embossed from the inside out.
  • Such a bead image thus extends over the entire surface of a side wall and increases the rigidity of the jacket tube to a substantial extent.
  • all beads are embossed from the inside to the outside.
  • the features of claim 8 provide that the jacket tube is made of stainless steel sheet, aluminum sheet or plastic.
  • openings are provided in a preferably bead-free side wall of the jacket tube. These openings are preferably used to connect pipes for feeding and discharging, in particular a coolant.
  • FIGS. 1 to 3 denotes a jacket tube of an otherwise not illustrated exhaust gas heat exchanger.
  • the jacket tube 1 has a rectangular cross-section.
  • Two mutually opposite side walls 2 of the jacket tube 1 have in an identical configuration a below explained in more detail Sickenchan 3 for stiffening the jacket tube 1, while the other two side walls 4 designed without a sicken are.
  • the side walls 2, 4 are connected to each other via rounded longitudinal edges 18.
  • S-bead 5 extends over each side wall 2 in an oblique orientation an S-shaped bead 5 (hereinafter referred to as S-bead 5).
  • the S-bead 5 has a central diagonal leg 6 and in the direction of the central longitudinal line MLL of the side wall 2 opposite concave curved end portions 7. Due to the concave design of the end portions 7 short end legs 8 are formed, which are directed to the central longitudinal line MLL out.
  • the central transverse line MQL of the side wall 2 of the diagonal leg 6 of the S-bead 5 is provided with a circular extension 9. The lying next to the extension 9 longitudinal portions 10 of the diagonal leg 6 widen in the direction of the concave end portions. 7
  • C-shaped beads 11 are arranged toward the end sections 7 (referred to below as C-beads 11 for short).
  • One leg 12 of the C-beads 11 extends parallel to the diagonal leg 6 of the S-bead 5, while the other leg 13 is directed to the short leg 8 of the end portions 7 of the S-bead 5 out.
  • the webs 14 of the C-beads 11 between the end legs 12, 13 are formed widened in the middle length ranges.
  • triangular shaped beads 16 are provided (referred to below as triangle triangles 16), each of which faces the extensions 9 with one corner 17 each.
  • the corners 17 remote from the sides 27 extend parallel to the Longitudinal edge 4.
  • the triangular pitches 16 may be formed on the same side or on opposite sides.
  • the cross section is designed approximately trapezoidal.
  • Two side walls 20, 21 extend parallel to one another, while a third side wall 22 is arranged at right angles to the two side walls 20, 21 lying parallel to one another.
  • the fourth side wall 23 extends obliquely to the side walls 20, 21st
  • the mutually parallel side walls 20, 21 are provided with bead images 3, which like the bead images 3 in the side walls 2 of the casing tube 1 according to the FIGS. 1 to 3 are formed. A repeated explanation is therefore unnecessary.
  • openings 24, 25 are provided in one end region.
  • a rectangular opening 24 is provided, while in the other end region is a round opening 25, which is provided with a passage 26 to the outside.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Exhaust Silencers (AREA)
EP09007732.2A 2008-06-16 2009-06-12 Echangeur thermique de gaz d'échappement Active EP2136174B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17186705.4A EP3270083B1 (fr) 2008-06-16 2009-06-12 Echangeur thermique de gaz d'échappement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008028244A DE102008028244B3 (de) 2008-06-16 2008-06-16 Abgaswärmetauscher

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP17186705.4A Division EP3270083B1 (fr) 2008-06-16 2009-06-12 Echangeur thermique de gaz d'échappement
EP17186705.4A Division-Into EP3270083B1 (fr) 2008-06-16 2009-06-12 Echangeur thermique de gaz d'échappement

Publications (3)

Publication Number Publication Date
EP2136174A2 true EP2136174A2 (fr) 2009-12-23
EP2136174A3 EP2136174A3 (fr) 2012-12-05
EP2136174B1 EP2136174B1 (fr) 2018-03-21

Family

ID=41077605

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09007732.2A Active EP2136174B1 (fr) 2008-06-16 2009-06-12 Echangeur thermique de gaz d'échappement
EP17186705.4A Active EP3270083B1 (fr) 2008-06-16 2009-06-12 Echangeur thermique de gaz d'échappement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17186705.4A Active EP3270083B1 (fr) 2008-06-16 2009-06-12 Echangeur thermique de gaz d'échappement

Country Status (4)

Country Link
EP (2) EP2136174B1 (fr)
DE (1) DE102008028244B3 (fr)
ES (1) ES2665922T3 (fr)
PT (1) PT3270083T (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010027338B4 (de) * 2010-07-15 2012-04-05 Benteler Automobiltechnik Gmbh Wärmeaustauscher in einem Kraftfahrzeug
EP3751127B1 (fr) * 2019-06-11 2022-01-12 Valeo Systemes Thermiques-THS Refroidisseur de recirculation de gaz d'échappement

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1487118A (en) * 1921-01-28 1924-03-18 Solar Sturges Mfg Co Container or can
GB1297941A (fr) * 1969-02-28 1972-11-29
SE440275B (sv) * 1979-03-21 1985-07-22 Svante Thunberg Vermevexlare till anleggningar for ventilering av lokaler
DE2915000A1 (de) * 1979-04-12 1980-10-30 Thyssen Industrie Blechelement mit sickenfoermigen versteifungen
US4538439A (en) * 1982-05-10 1985-09-03 Cantec, Incorporated Cans formed of thin-walled material and apparatus for forming precise fine beads therein
AU679783B2 (en) * 1993-09-16 1997-07-10 Nippondenso Co. Ltd. Aluminum heat exchanger
JPH10160364A (ja) * 1996-11-28 1998-06-19 Zexel Corp 積層型熱交換器の製造方法
ES1039979Y (es) * 1998-04-16 1999-12-16 Envases Ballujera S A Envase metalico.
EP1801407B1 (fr) * 2004-09-28 2012-03-28 T.RAD Co., Ltd. Refroidisseur egr
JP4527557B2 (ja) * 2005-01-26 2010-08-18 株式会社ティラド 熱交換器
US7195060B2 (en) * 2005-04-01 2007-03-27 Dana Canada Corporation Stacked-tube heat exchanger
US7594326B2 (en) * 2005-09-13 2009-09-29 Catacel Corp. Method for making a low-cost high-temperature heat exchanger
DE102006047234A1 (de) * 2005-10-14 2007-04-19 Behr Gmbh & Co. Kg Wärmeübertrager
DE102005055482A1 (de) * 2005-11-18 2007-05-24 Behr Gmbh & Co. Kg Wärmetauscher für einen Verbrennungsmotor
US20080236792A1 (en) * 2007-03-28 2008-10-02 Modine Manufacturing Company Heat exchanger and method

Also Published As

Publication number Publication date
ES2665922T3 (es) 2018-04-30
PT3270083T (pt) 2023-12-20
EP2136174A3 (fr) 2012-12-05
EP3270083A1 (fr) 2018-01-17
EP3270083B1 (fr) 2023-10-25
EP2136174B1 (fr) 2018-03-21
DE102008028244B3 (de) 2009-11-05

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