US3627039A - Heat exchanger especially for nonstationary gas turbines - Google Patents

Heat exchanger especially for nonstationary gas turbines Download PDF

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Publication number
US3627039A
US3627039A US869108A US3627039DA US3627039A US 3627039 A US3627039 A US 3627039A US 869108 A US869108 A US 869108A US 3627039D A US3627039D A US 3627039DA US 3627039 A US3627039 A US 3627039A
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US
United States
Prior art keywords
tube
heat exchanger
tube means
housing
tubes
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.)
Expired - Lifetime
Application number
US869108A
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English (en)
Inventor
Eberhard Tiefenbacher
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Application granted granted Critical
Publication of US3627039A publication Critical patent/US3627039A/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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • F28F9/182—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding the heat-exchange conduits having ends with a particular shape, e.g. deformed; the heat-exchange conduits or end plates having supplementary joining means, e.g. abutments
    • 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
    • F28D7/0041—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 for only one medium being tubes having parts touching each other or tubes assembled in panel form
    • 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
    • F28F1/045—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular with assemblies of stacked 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0221—Header boxes or end plates formed by stacked 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/355—Heat exchange having separate flow passage for two distinct fluids
    • Y10S165/40—Shell enclosed conduit assembly
    • Y10S165/427—Manifold for tube-side fluid, i.e. parallel
    • Y10S165/432—Manifold for tube-side fluid, i.e. parallel including a tube sheet
    • Y10S165/433—Tubes-tubesheet connection
    • Y10S165/434—Plural strips forming tubesheet
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49373—Tube joint and tube plate structure

Definitions

  • the present invention relates to a heat exchanger, especially for nonstationary gas turbines, which consists of pipes arranged on the inside of a housing or the like, through which is conducted one of the two media participating in the heat exchange whereas the other medium moves externally along the pipes in counterflow.
  • the present invention aims at creating a heat exchanger which possesses particularly small dimensions and low weight and which can be manufactured in a simple manner.
  • a heat exchanger is to be created which, by reason of its construction, can be adapted without difficulties to the contours of housings or the like for the purpose of space saving and is utilizable in the form of structural units.
  • the present invention essentially consists in bat the pipes or tubes are arranged axially parallel in several planes disposed one above the other or one adjacent the other and the ends thereof are respectively combined in a common end-face-mounting means for the connection of the group of tubes to a respective inlet or outlet aperture for the medium flowing through the tubes.
  • the inlet and/or the outlet for the medium, not flowing through the tubes is arranged laterally directly behind the end-face mounting means of the tube group and the ends ofthe tubes or pipes are flattened off within this area into rectangles.
  • wide inflow or outflow channels are formed within the area of the flattened off ends of the tubes which assure a rapid and good distribution of the medium moving externally along the tubes from the inlet toward the outlet.
  • the tubes or pipes arranged in different planes can be held at spacings in a simple manner by bars abutting at the rectangles.
  • the tubes of two adjoining planes are mutually offset in the direction of these planes, preferably by the amount of the diameter of the tubes.
  • Such an arrangement of the tubes produces uniform gaps between the tubes or pipes and therewith a uniform flow on the outside of the tubes so that extraordinarily favorable conditions exist for the heat transfer. It is thereby favorable if the thickness of the bars corresponds to the height of the rectangular ends of the tubes and if each second bar is bent back or folded back at its end. With such a type of bar, the different number of the tubes or pipes disposed mutually offset in adjacent planes can be compensated for.
  • the bars for the purposes of securing at the housing and of easier assembly, may be advantageously provided at the ends thereof with slots, by means of which they engage into the flanges of the housing.
  • Another object of the present invention resides in a heat exchanger which is of extreme light weight and small dimensions.
  • a further object of the present invention resides in a heat exchanger which is not only small in dimension and light in weight but which can also be manufactured in a simple manner.
  • Still a further object of the present invention resides in a heat exchanger that can be readily adapted to the contours of other structural parts.
  • FIG. l is a somewhat schematic perspective view of a heat exchanger in accordance with the present invention, partially cut away;
  • FIG. 2 is a partial perspective view, partly cut away, of a modified embodiment of a heat exchanger in accordance with the present invention, which includes a particular type of securing of the spacer bars for the tubes at the housing flange;
  • FIG. 3 is a partial crosssectional view through the inlet or outlet channels within the heat exchanger constructed in accordance with the present invention and taken along line III- III in FIG. 2;
  • FIG. 4 is a somewhat schematic partial perspective view, partly cut away, of a modified embodiment of a heat exchanger in accordance with the present invention in which the tubes are mutually offset;
  • HO. 5 is a somewhat schematic elevational view of an arrangement of a heat exchanger in accordance with the present invention about a turbine;
  • FIG. 6 is a somewhat schematic, partial elevational view of the securing of the tubes in a heat exchanger according to FIG. 5.
  • the pipes or tubes 2 are arranged axially parallel to one another on the inside of the heat exchanger housing l in several planes.
  • the medium to be heated or cooled flows, for example, through the tubes 2 which are combined at the ends of the heat exchanger in a respective common, end-face-mounting means that is constructed as a flange of the housing.
  • the heating or cooling medium flows in through an inlet 3 laterally directed to the rear of the end face flange of the heat exchanger and proceeds in counterflow to the medium to be heated or cooled up to the rear wall of the heat exchanger and is discharged thereat laterally through the outlet 4.
  • the tubes 2 are flattened off rectangularly at the ends thereof within the areas of the inlet and outlet 3 and 4 of the medium to be heated or cooled and are arranged adjacent one another without gaps.
  • the individual planes of the tubes are determined and arranged at predetermined distance to one another by spacer bars 5.
  • the bars 6 according to FIG. 2 are provided with slots 7 which engage in a flange 8 of the heat exchanger housing 1.
  • a greater rigidity is achieved thereby and additionally a simplification is realized during the assembly while a better stability is assured during the transport and during the soldering or brazing in the furnace.
  • the uppennost bar 10 is constructed with an inclined surface 11 for assembly reasons. This bar 10 may thus produce a clamping effect so that the assembly is simplified.
  • the tubes 12 of the heat exchanger according to H0. 4 are mutually offset in mutually adjoining planes. With such an offset arrangement more uniform intermediate spaces between the individual tubes 12 result so that a more favorable heat transfer is made possible.
  • All bars 13 possess a thickness that corresponds to the height of the rectangularly flattened off tubes 12. Each second bar 13 is bent back or folded over at its end in order to be able to compensate for the difi'ering number of the tubes 12 of two adjacent planes.
  • the bars 6, 13 are also slotted and are inserted with the slots thereof in a flange 8 of the heat exchanger housing.
  • FIG. 5 illustrates schematically the arrangement of a heat exchanger according to the present invention about a turbine 14.
  • the exchanger is constructed curved.
  • the individual pipes 15 are arranged mutually offset in different planes.
  • the bars 16 may also be bent back or folded back at the ends thereof in a structurally simple manner.
  • the bars 16 thereby all possess the same length prior to their installation and assembly.
  • a slot 18 is milled into the bars which corresponds to the curvature of the heat exchanger housing. This slot 18 will be milled in only, when the bars 16 are already assembled into a structural unit. If one were to dispense with the bars, then each tube would have to be provided at the outer contour with a different curvature.
  • a heat exchanger comprising a housing, tube means arranged on the inside of said housing for conducting one of two fluid media participating in the heat exchange, the other fluid medium being conducted around the external surfaces of said tube means substantially in counterflow to said one fluid medium, said tube means being arranged axially parallel in a plurality of tube planes, each tube plane including a plurality of tube means with rectangular end openings in abutting relationship with the rectangular end openings of adjacent tube means, the rectangular end openings at one end ofsaid tube means terminating in a common plane where they are connected to a common collecting flange to form an inlet for said one fluid medium, the rectangular end openings at the other end of said tube means terminating in a common plane where they are connected to a common collecting flange to form an outlet for said one fluid medium, said tube planes being spaced from one another in parallel relationship by spacing strips extending transversely to the longitudinal extent of the tube means and arranged adjacent the respective rectangular end openings to form a tube floor for the tubes of one plane, said strips being of
  • a heat exchanger according to claim 1 characterized in that said housing has a curved interior configuration in the area adjacent the respective ends of said spacing strips.
  • a heat exchanger according to claim 2 characterized in that the bar means are provided at the ends thereof with slots, by means of which they are adapted to be inserted into flange means at the housing means.
  • a heat exchanger according to claim 1, characterized in that the strips exhibit slots at their end for engagement with the collecting flanges of the housing and in that the outermost strip is provided with an inclined clamping surface to aid in the assembly of the tube means within the housing.
  • a heat exchanger according to claim 1, characterized in that inlet and outlet means for the other fluid medium are ar ranged laterally directly adjacent the bottoms of the rectangular cross section portion of the tube means.
  • a heat exchanger characterized in that inlet and outlet means for the other fluid medium are arranged laterally directly adjacent the bottoms of the rectangular cross section portion of the tube means.
  • each of the tube means is cylindrical along a substantial portion thereof and that the tube means of two adjacent planes are mutually offset by an amount corresponding to approximately the diameter of the tube means.
  • a heat-exchanger according to claim 7, characterized in that said housing has a curved interior configuration in the area adjacent the respective ends of said spacing strips.

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)
  • Chimneys And Flues (AREA)
US869108A 1967-02-17 1969-10-24 Heat exchanger especially for nonstationary gas turbines Expired - Lifetime US3627039A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DED0052306 1967-02-17
US86910869A 1969-10-24 1969-10-24
FR6936737A FR2077463A1 (enrdf_load_stackoverflow) 1967-02-17 1969-10-27
GB53790/69A GB1278308A (en) 1967-02-17 1969-11-03 An improved heat exchanger

Publications (1)

Publication Number Publication Date
US3627039A true US3627039A (en) 1971-12-14

Family

ID=27436799

Family Applications (1)

Application Number Title Priority Date Filing Date
US869108A Expired - Lifetime US3627039A (en) 1967-02-17 1969-10-24 Heat exchanger especially for nonstationary gas turbines

Country Status (4)

Country Link
US (1) US3627039A (enrdf_load_stackoverflow)
DE (1) DE1551448B2 (enrdf_load_stackoverflow)
FR (1) FR2077463A1 (enrdf_load_stackoverflow)
GB (1) GB1278308A (enrdf_load_stackoverflow)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727681A (en) * 1971-06-17 1973-04-17 United Aircraft Prod Cartridge type tube and fin heat exchanger
US4034805A (en) * 1973-02-16 1977-07-12 Owens-Illinois, Inc. Recuperator structures
US4049050A (en) * 1975-03-03 1977-09-20 Owens-Illinois, Inc. Recuperator structures
US4049049A (en) * 1975-03-03 1977-09-20 Owens-Illinois, Inc. Recuperator structures
US4066120A (en) * 1975-03-03 1978-01-03 Owens-Illinois, Inc. Recuperator structures and method of making same
US4098331A (en) * 1974-10-07 1978-07-04 Fafco, Incorporated Solar heat exchange panel and method of fabrication
US4117884A (en) * 1975-03-21 1978-10-03 Air Frohlich Ag Fur Energie-Ruckgewinnung Tubular heat exchanger and process for its manufacture
US4175308A (en) * 1975-03-19 1979-11-27 Akira Togashi Gathering the ends of heat-conducting pipes in heat exchangers
US4206806A (en) * 1976-03-15 1980-06-10 Akira Togashi Heat-conducting oval pipes in heat exchangers
US4256178A (en) * 1977-02-17 1981-03-17 Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft Coaxial heat exchanger and method for constructing a heat exchanger
DE3310061A1 (de) * 1982-11-19 1984-05-24 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Verfahren zur herstellung einer rohrverteileranordnung sowie ein nach diesem verfahren gefertigter waermetauscher-sammelbehaelter
US4564062A (en) * 1980-12-09 1986-01-14 Racecourse Co-Operative Sugar Association Ltd. Recirculation heat exchanger and apparatus including same
US4577684A (en) * 1983-08-12 1986-03-25 Mtu Motoren- Und Turbinen-Union Munchen Gmbh Profiled-tube heat exchanger
EP0186130A3 (en) * 1984-12-22 1987-03-25 Mtu Muenchen Gmbh Method of producing ringshaped members for cylindrical collecting pipe structures of heat exchangers
US4738311A (en) * 1985-10-25 1988-04-19 Ingo Bleckman Heat exchanger
EP0265725A1 (de) * 1986-10-29 1988-05-04 Mtu Motoren- Und Turbinen-Union MàœNchen Gmbh Wärmetauscher
BE1003851A3 (fr) * 1990-03-14 1992-06-30 Denis Nicole Plaque tubulaire pour echangeur de chaleur.
US5174372A (en) * 1991-03-20 1992-12-29 Valeo Thermique Moteur Heat exchanger with a plurality of ranges of tubes, in particular for a motor vehicle
US5183106A (en) * 1992-04-24 1993-02-02 Allied-Signal Inc. Heat exchange
US6264796B1 (en) * 1999-07-13 2001-07-24 The Mead Corporation Headbox diffuser
US20040069475A1 (en) * 2002-06-28 2004-04-15 Modine Manufacturing Co. Heat exchanger
US20080277105A1 (en) * 2005-09-16 2008-11-13 Behr Gmbh & Co. Kg Heat Exchanger, in Particular Exhaust Gas Heat Exchanger for Motor Vehicles
US20170131044A1 (en) * 2014-07-03 2017-05-11 Valeo Systemes Thermiques Header for exchanger bundle of a heat exchanger
US9908206B2 (en) 2012-04-04 2018-03-06 Commissariat A L'energie Atomique Et Aux Energies Alternatives Method for producing a heat exchanger module with at least two fluid circulation circuits and heat exchanger obtained using this method

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2304885A1 (fr) * 1975-03-19 1976-10-15 Togashi Akira Procede pour grouper et maintenir ensemble les extremites de plusieurs tubes conducteurs de chaleur et echangeur thermique realise par ce procede
FR2696534B1 (fr) * 1992-10-02 1994-12-02 Valeo Thermique Moteur Sa Echangeur de chaleur à tubes munis d'un évasement.
DE19743426A1 (de) * 1997-10-01 1999-04-08 Behr Gmbh & Co Wärmeübertrager für eine Heiz- oder Klimaanlage eines Kraftfahrzeuges
DE10033070A1 (de) 2000-03-31 2002-01-17 Modine Mfg Co Kühler für Kraftfahrzeuge sowie Herstellungsverfahren
ATE272201T1 (de) 2000-04-19 2004-08-15 Modine Mfg Co Kühler für kraftfahrzeuge
DE10147192A1 (de) 2001-09-25 2003-04-17 Modine Mfg Co Wärmeaustauscher mit einem Rippen-Flachrohr-Block und Herstellungsverfahren
FR2991760B1 (fr) * 2012-06-11 2018-06-15 Valeo Systemes Thermiques Echangeur thermique et procede de realisation d'un collecteur associe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR919401A (fr) * 1945-01-30 1947-03-07 Tech Studien Ag Procédé de fabrication d'échangeurs de chaleur tubulaires comportant des tubes assemblés en faisceaux
DE854224C (de) * 1945-02-01 1952-10-30 Siemens Ag Waermeaustauscher fuer Gasturbinenanlagen
CH367842A (de) * 1958-10-30 1963-03-15 Karl Dipl Ing Urech Mehrflutiger Gegenstromrohrwärmeaustauscher
FR1506321A (fr) * 1966-05-06 1967-12-22 Fives Penhoet Structure d'extrémité d'échangeur de chaleur tubulaire, échangeur de chaleur en comportant application et procédé de fabrication de ladite structure

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727681A (en) * 1971-06-17 1973-04-17 United Aircraft Prod Cartridge type tube and fin heat exchanger
US4034805A (en) * 1973-02-16 1977-07-12 Owens-Illinois, Inc. Recuperator structures
US4098331A (en) * 1974-10-07 1978-07-04 Fafco, Incorporated Solar heat exchange panel and method of fabrication
US4049050A (en) * 1975-03-03 1977-09-20 Owens-Illinois, Inc. Recuperator structures
US4049049A (en) * 1975-03-03 1977-09-20 Owens-Illinois, Inc. Recuperator structures
US4066120A (en) * 1975-03-03 1978-01-03 Owens-Illinois, Inc. Recuperator structures and method of making same
US4175308A (en) * 1975-03-19 1979-11-27 Akira Togashi Gathering the ends of heat-conducting pipes in heat exchangers
US4117884A (en) * 1975-03-21 1978-10-03 Air Frohlich Ag Fur Energie-Ruckgewinnung Tubular heat exchanger and process for its manufacture
US4206806A (en) * 1976-03-15 1980-06-10 Akira Togashi Heat-conducting oval pipes in heat exchangers
US4256178A (en) * 1977-02-17 1981-03-17 Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft Coaxial heat exchanger and method for constructing a heat exchanger
US4564062A (en) * 1980-12-09 1986-01-14 Racecourse Co-Operative Sugar Association Ltd. Recirculation heat exchanger and apparatus including same
DE3310061A1 (de) * 1982-11-19 1984-05-24 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Verfahren zur herstellung einer rohrverteileranordnung sowie ein nach diesem verfahren gefertigter waermetauscher-sammelbehaelter
US4577684A (en) * 1983-08-12 1986-03-25 Mtu Motoren- Und Turbinen-Union Munchen Gmbh Profiled-tube heat exchanger
EP0186130A3 (en) * 1984-12-22 1987-03-25 Mtu Muenchen Gmbh Method of producing ringshaped members for cylindrical collecting pipe structures of heat exchangers
US4738311A (en) * 1985-10-25 1988-04-19 Ingo Bleckman Heat exchanger
EP0265725A1 (de) * 1986-10-29 1988-05-04 Mtu Motoren- Und Turbinen-Union MàœNchen Gmbh Wärmetauscher
BE1003851A3 (fr) * 1990-03-14 1992-06-30 Denis Nicole Plaque tubulaire pour echangeur de chaleur.
US5314021A (en) * 1991-03-20 1994-05-24 Valeo Thermique Moteur Heat exchanger with a plurality of ranges of tubes, in particular for a motor vehicle
US5174372A (en) * 1991-03-20 1992-12-29 Valeo Thermique Moteur Heat exchanger with a plurality of ranges of tubes, in particular for a motor vehicle
US5183106A (en) * 1992-04-24 1993-02-02 Allied-Signal Inc. Heat exchange
US6264796B1 (en) * 1999-07-13 2001-07-24 The Mead Corporation Headbox diffuser
US20040069475A1 (en) * 2002-06-28 2004-04-15 Modine Manufacturing Co. Heat exchanger
US7159650B2 (en) * 2002-06-28 2007-01-09 Modine Manufacturing Company Heat exchanger
US20080277105A1 (en) * 2005-09-16 2008-11-13 Behr Gmbh & Co. Kg Heat Exchanger, in Particular Exhaust Gas Heat Exchanger for Motor Vehicles
US8002022B2 (en) 2005-09-16 2011-08-23 Behr Gmbh & Co. Kg Heat exchanger, in particular exhaust gas heat exchanger for motor vehicles
US9908206B2 (en) 2012-04-04 2018-03-06 Commissariat A L'energie Atomique Et Aux Energies Alternatives Method for producing a heat exchanger module with at least two fluid circulation circuits and heat exchanger obtained using this method
US20170131044A1 (en) * 2014-07-03 2017-05-11 Valeo Systemes Thermiques Header for exchanger bundle of a heat exchanger

Also Published As

Publication number Publication date
DE1551448A1 (de) 1970-04-16
DE1551448B2 (de) 1971-07-08
GB1278308A (en) 1972-06-21
FR2077463A1 (enrdf_load_stackoverflow) 1971-10-29

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