EP1944564A1 - Caloporteur - Google Patents

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Publication number
EP1944564A1
EP1944564A1 EP07024486A EP07024486A EP1944564A1 EP 1944564 A1 EP1944564 A1 EP 1944564A1 EP 07024486 A EP07024486 A EP 07024486A EP 07024486 A EP07024486 A EP 07024486A EP 1944564 A1 EP1944564 A1 EP 1944564A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
gills
guide
exchanger according
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.)
Granted
Application number
EP07024486A
Other languages
German (de)
English (en)
Other versions
EP1944564B1 (fr
Inventor
Holger Auchter
Andreas Eilemann
Michael Müller
Matthias Traub
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
Publication of EP1944564A1 publication Critical patent/EP1944564A1/fr
Application granted granted Critical
Publication of EP1944564B1 publication Critical patent/EP1944564B1/fr
Not-in-force 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0417—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with particular circuits for the same heat exchange medium, e.g. with the heat exchange medium flowing through sections having different heat exchange capacities or for heating/cooling the heat exchange medium at different temperatures
    • 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
    • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
    • 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
    • F28F1/128—Fins with openings, e.g. louvered 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
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • 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, with flowed through by a medium pipes, between which guide means for a further medium are arranged, which is supplied to the heat exchanger on an inflow side, the tubes flows around in the interstices with the guide means and on a downstream side is dissipated.
  • the object of the invention is to provide a heat exchanger according to the preamble of claim 1, which allows a simple way a different air conditioning, in particular heating, in different areas of a motor vehicle.
  • the object is in a heat exchanger, in particular for a motor vehicle, with flowed through by a medium pipes, between which guide means for a further medium are arranged, which is supplied to the heat exchanger on an inflow side, the tubes flows around in the interstices with the guide means and on a Discharged side, is achieved in that the region of the heat exchanger with the tubes and the guide means is internally divided into zones by at least one separation region.
  • the tubes are preferably flat tubes with a substantially rectangular cross-section.
  • the guide devices are preferably corrugated ribs. The corrugated ribs are, at least partially, equipped with gills.
  • an undesirable overflow of the further medium in particular of air, can occur from one zone to another zone which has a different pressure level on the outflow side.
  • an undesired overflow of the further medium that is to say a short circuit, between different zones can at least be severely restricted.
  • a preferred embodiment of the heat exchanger is characterized in that at least one separation region extends substantially transversely to the tubes. This separation area is interrupted by the pipes. If the separation area extends substantially parallel to the tubes, then the tubes themselves can prevent an undesirable overflow of the further medium, ie an internal short circuit, between different zones.
  • a further preferred embodiment of the heat exchanger is characterized in that a guide is partially compressed in at least one separation area so strong that an overflow of the other medium between different zones is at least greatly limited.
  • a corrugated fin in the separation region has a higher rib density than in the remaining region of the corrugated fin.
  • a further preferred exemplary embodiment of the heat exchanger is characterized in that a guide device provided with gills has no gills in at least one separation region. Due to the interruption of the belting, an overflow of the further medium between different zones is at least severely restricted.
  • a further preferred exemplary embodiment of the heat exchanger is characterized in that a guide device provided with gills has at least one separation region, in particular by material connection or mechanically closed gills.
  • the material bond can be created by gluing or soldering. By gluing or soldering the Bekiemung overflow of the additional medium between different zones is at least severely limited.
  • the gills can also be closed mechanically, for example with the aid of a suitable tool.
  • a further preferred embodiment of the heat exchanger is characterized in that the gill-equipped guide cyclically alternately having areas with gills and separation areas without gills or with closed gills. This creates potential separation areas that can be used to separate individual zones when needed.
  • a further preferred exemplary embodiment of the heat exchanger is characterized in that a guide device with a continuous surface is arranged in at least one separating region. This means that the guide means in the separation region has no through holes, which would allow an undesirable overflow of the other medium.
  • the guide is designed in the separation area in particular without gills.
  • a further preferred exemplary embodiment of the heat exchanger is characterized in that at least two guide devices or guide device sections of a guide device are arranged between two tubes, between which an intermediate part is arranged in a separating region.
  • the intermediate part interrupts or minimizes a flow between the tubes in the longitudinal direction.
  • the intermediate part can be designed as a separate component or connected to one of the guide devices.
  • Another preferred embodiment of the heat exchanger is characterized in that a plurality of intermediate parts are attached to a connecting element.
  • the intermediate parts are preferably integrally connected to the connecting element.
  • a comb-like separator is provided, the tines represent the intermediate parts.
  • a further preferred embodiment of the heat exchanger is characterized in that the tubes and / or the guide on the inflow side and / or on the outflow side are provided in at least one separation region with at least one external separator.
  • the external separating element is, for example, a glued-on plastic strip.
  • the invention further relates to a method for producing a gill-equipped guide device for a heat exchanger described above, in which the gills are closed at least partially, in particular mechanically or cohesively, after a cutting operation in at least one separation region.
  • the guide is preferably a corrugated fin.
  • a preferred embodiment of the method is characterized in that the mechanical closing of the gills is done by embossing.
  • the embossing is preferably carried out before folding the guide, in particular the corrugated fin.
  • the embossing can also be carried out, for example with the aid of a needle-like tool, on a heat exchanger equipped with the guide.
  • the gills can also be closed cohesively, for example by gluing or soldering.
  • the heat exchanger 1 is a radiator of a motor vehicle.
  • the radiator 1 comprises two headers 2, 3 for hot water.
  • At least one of the collection boxes 2, 3 is equipped with an inlet nozzle and / or an outlet for the warm water.
  • a continentcountry tragerbtock 5 extends with a plurality of tubes 7, 8, 9, 10, which extend between the collecting tanks 2 and 3.
  • the tubes 7 to 10 are flat tubes, each having a substantially rectangular cross-section.
  • the louvers 14, 15 are preferably for guiding air, which is passed for heating between the tubes 7 to 10.
  • the heat exchanger block 5 is divided into four zones 17 to 20.
  • the two zones 17, 18 serve to heat a left / right separated front area of a motor vehicle.
  • the two zones 19, 20 serve to heat a left / right separated rear area of the motor vehicle.
  • the radiator 1 is glued on the downstream side air to the external zone separation 22.
  • the external zone separation 22 comprises an external longitudinal separation element 24 and an external transverse separation element 25.
  • the two external separation elements 24, 25 are arranged crosswise.
  • the longitudinal separating element 24 extends in the longitudinal direction of a tube arranged underneath.
  • the transverse separating element 25 is arranged perpendicular to the longitudinal separating element 24.
  • FIG. 2 is indicated by a double arrow 28 that it may come in certain operating conditions to an unwanted internal overflow of air through the gill fields of a corrugated fin 29 from one zone to another zone.
  • Such an internal short circuit between two different zones is mainly caused by different air side pressure levels.
  • FIG. 3 is a gill field 30 of the corrugated fin 15 indicated.
  • the gills are elongated openings in the corrugated rib, each bounded by two adjacent gills.
  • the zone separation between the adjacent zones 17, 18 and the adjacent zones 19, 20 runs parallel to the flat tubes.
  • the flat tube extending under the external partition 24 prevents internal overflow of air between the zones 17, 18 and between the zones 19, 20.
  • FIGS. 4 to 14 various embodiments of separation areas are shown as an internal overflow of air between the zones 17, 19 and between the zones 18, 20 can be prevented.
  • the zone separation line is at an angle of 90 degrees to the flat tubes.
  • FIG. 4 it can be seen that between two flat tubes 41, 42, a corrugated fin 44 is arranged.
  • the corrugated fin 44 has a normal rib density in two sections 45 and 46. Between the two sections 45, 46, a separation region 48 is arranged, which has a higher rib density.
  • the higher rib density or rib densification can be achieved by local deceleration in rib manufacture.
  • FIG. 5 two tubes 51, 52 are shown in perspective, between which a corrugated fin 54 is arranged.
  • the corrugated fin 54 is equipped with a plurality of gills 55, 56, 57.
  • FIG. 6 it can be seen that the gills 55 to 57 are punched / punched out of the surface of the corrugated rib 54 in such a way that apertures 58, 59, 60 are released.
  • the openings 58 to 60 each have the shape of an elongated rectangle.
  • FIG. 7 is between two tubes 61, 62 an unsecured corrugated fin 64 is arranged.
  • the rib 64 extends as in FIG. 5 illustrated embodiment zigzag between the two tubes 61, 62nd
  • FIG. 8 it can be seen that the uncovered corrugated fin 64 has a smooth surface. Due to the uncovered corrugated rib 64, an undesired internal short circuit between two zones is prevented in a separation region. According to one essential aspect of the invention, only one area or section of the corrugated fin can be executed.
  • a corrugated fin 70 can also have cyclically alternating sections 71, 72 and unsecured sections 73, 74, 75.
  • the corrugated rib in FIG. 9 is shown in unwound form before a subsequent convolution. During folding, the corrugated fin gets its essentially zigzag shape. The corrugated rib can be partially or completely clear.
  • the gills of a corrugated fin are closed again after being cut, for example by being embossed.
  • the gills can also be closed cohesively, for example by soldering or gluing. To close the gills, glue, resin, aluminum solder or flux can be used.
  • FIG. 10 are between two tubes 81, 82 two bekiemte corrugated fins 84, 85 arranged. Between the two corrugated fins 84, 85, an intermediate part 88 is arranged, which prevents an internal overflow of air. By the intermediate part 88 flows are interrupted longitudinally between the tubes 81, 82 or minimized.
  • the intermediate part 88 can be designed as a separate intermediate part or connected to a corrugated fin 84, 85.
  • FIG. 11 is between bekiete corrugated ribs 91, 92 94 arranged_ at 98 is indicated that the gills of the corrugated fin 94, for example, with adhesive or paint can be closed to form a separation area.
  • the gills in the separation area 98 can also be closed by welding or soldering.
  • the gills of the corrugated fin 94 in the separation area 98 are closed by solder-enriched flux.
  • a bekiemte corrugated fin 104 is arranged in FIG. 12 between two pipes 101, 102 .
  • the corrugated rib gaps are filled, for example with glue, lacquer or solder.
  • FIG. 13 the three flat tubes 111, 112, 113 are shown. Between two adjacent flat tubes 111, 112; 112, 133 are each two corrugated ribs or corrugated fin sections 115, 116 and 117, 118 are arranged. The corrugated fin sections 115, 116 and 117, 118 are each separated by an intermediate part 121, 122 from each other. The intermediate parts 121, 122 are pressed in before or after the soldering.
  • FIG. 14 is indicated that a plurality of intermediate parts 121, 122 may be integrally connected to a connecting element 130.
  • a connecting element 130 By the connecting element 130 with the intermediate parts 121, 122, a comb-like separating element is provided.
  • a corrugated fin 126 with open gills 128 disposed between the flat tube 113 and another flat tube 124.
  • the gills of a corrugated fin are at least partially closed by mechanical stamping after a previous gill cutting process. After at least partially closing the gills, the corrugated fin is folded.
  • the mechanical embossing of the gills can be done before or after soldering the associated heat exchanger block. After soldering, the embossing of the gills may be performed, for example, with a needle-like tool inserted into the corrugated fin to close or bend the erected gills.

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  • 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)
EP07024486A 2007-01-09 2007-12-18 Échangeur de chaleur Not-in-force EP1944564B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007001437A DE102007001437A1 (de) 2007-01-09 2007-01-09 Wärmeübertrager

Publications (2)

Publication Number Publication Date
EP1944564A1 true EP1944564A1 (fr) 2008-07-16
EP1944564B1 EP1944564B1 (fr) 2010-07-28

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ID=39155491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07024486A Not-in-force EP1944564B1 (fr) 2007-01-09 2007-12-18 Échangeur de chaleur

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EP (1) EP1944564B1 (fr)
DE (2) DE102007001437A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013123144A1 (fr) * 2012-02-14 2013-08-22 Delphi Technologies, Inc. Évaporateur comprenant des trajets d'écoulement d'air séparés et son procédé de fabrication

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011104853A1 (de) * 2011-06-21 2012-12-27 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Wärmetauscher für ein Kraftfahrzeug und Kraftfahrzeug
DE102012217874A1 (de) * 2012-09-28 2014-04-17 Behr Gmbh & Co. Kg Vorrichtung zur Führung eines Fluids

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2499233A1 (fr) * 1981-01-30 1982-08-06 Valeo Echangeur de chaleur a faisceau de tubes
US4535839A (en) * 1982-12-20 1985-08-20 General Motors Corporation Heat exchanger with convoluted air center strip
US4645000A (en) * 1986-04-21 1987-02-24 General Motors Corporation Tube and fin heat exchanger
US5150596A (en) * 1991-07-11 1992-09-29 General Motors Corporation Heat transfer fin with dammed segments
US5443042A (en) * 1993-07-10 1995-08-22 Mtu Motoren Und Turbinen Union Cooling device for internal-combustion engine
EP0907064A2 (fr) * 1997-10-03 1999-04-07 Horia A. Dinulescu Echangeur de chaleur, en particulier refroidisseur d'air pour centrale d'énergie, et procédé pour sa fabrication
EP1548385A2 (fr) * 2003-12-24 2005-06-29 Valeo Thermique Moteur Tube d'échangeur de chaleur à deux courants de circulation et échangeur de chaleur comportant de tels tubes

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2499233A1 (fr) * 1981-01-30 1982-08-06 Valeo Echangeur de chaleur a faisceau de tubes
US4535839A (en) * 1982-12-20 1985-08-20 General Motors Corporation Heat exchanger with convoluted air center strip
US4645000A (en) * 1986-04-21 1987-02-24 General Motors Corporation Tube and fin heat exchanger
US5150596A (en) * 1991-07-11 1992-09-29 General Motors Corporation Heat transfer fin with dammed segments
US5443042A (en) * 1993-07-10 1995-08-22 Mtu Motoren Und Turbinen Union Cooling device for internal-combustion engine
EP0907064A2 (fr) * 1997-10-03 1999-04-07 Horia A. Dinulescu Echangeur de chaleur, en particulier refroidisseur d'air pour centrale d'énergie, et procédé pour sa fabrication
EP1548385A2 (fr) * 2003-12-24 2005-06-29 Valeo Thermique Moteur Tube d'échangeur de chaleur à deux courants de circulation et échangeur de chaleur comportant de tels tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013123144A1 (fr) * 2012-02-14 2013-08-22 Delphi Technologies, Inc. Évaporateur comprenant des trajets d'écoulement d'air séparés et son procédé de fabrication

Also Published As

Publication number Publication date
DE502007004552D1 (de) 2010-09-09
EP1944564B1 (fr) 2010-07-28
DE102007001437A1 (de) 2008-07-10

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