EP1853867A1 - Element caloporteur, notamment pour une unite de transmission thermique, et unite de transmission thermique - Google Patents

Element caloporteur, notamment pour une unite de transmission thermique, et unite de transmission thermique

Info

Publication number
EP1853867A1
EP1853867A1 EP06706547A EP06706547A EP1853867A1 EP 1853867 A1 EP1853867 A1 EP 1853867A1 EP 06706547 A EP06706547 A EP 06706547A EP 06706547 A EP06706547 A EP 06706547A EP 1853867 A1 EP1853867 A1 EP 1853867A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
vehicle
unit
exchanger according
network
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Withdrawn
Application number
EP06706547A
Other languages
German (de)
English (en)
Inventor
Klaus Hassdenteufel
Michael Spieth
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 EP1853867A1 publication Critical patent/EP1853867A1/fr
Withdrawn legal-status Critical Current

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
    • 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
    • F28D1/0233—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 air flow channels
    • F28D1/024—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 air flow channels with an air driving element
    • 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
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other
    • 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
    • F28D1/047—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 bent, e.g. in a serpentine or zig-zag
    • F28D1/0471—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 bent, e.g. in a serpentine or zig-zag the conduits having a non-circular cross-section
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
    • F01P2003/182—Arrangements or mounting of liquid-to-air heat-exchangers with multiple heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00—Liquid cooling
    • F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
    • F01P2003/187—Arrangements or mounting of liquid-to-air heat-exchangers arranged in series
    • 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
    • F28D2001/0253—Particular components
    • F28D2001/026—Cores
    • F28D2001/0273—Cores having special shape, e.g. curved, annular
    • 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
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
    • F28D2021/0073—Gas coolers
    • 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
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers
    • 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
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers
    • 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
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0091—Radiators
    • F28D2021/0094—Radiators for recooling the engine coolant

Definitions

  • Heat exchanger in particular for a heat exchanger unit
  • the invention relates to a heat exchanger, in particular for a heat exchanger unit and a heat exchanger unit, in particular in execution as a cooling module.
  • Heat transfer units such as cooling modules for motor vehicles are, as known from the prior art, for example from DE 100 18 0001 A1 and DE 197 31 999 A1, aggregates of several heat exchangers or heat exchangers such as coolant radiator, intercooler, condenser or oil cooler, which together to form a structural unit or a module and - in the case of heat transfer units for motor vehicles - are supported via a common attachment or storage relative to the motor vehicle or a frame or frame part of the vehicle.
  • heat exchangers or heat exchangers such as coolant radiator, intercooler, condenser or oil cooler
  • BeST ⁇ ff ⁇ UtoGSKOPfE known from the prior art, for example, from DE 102 55 011 A1, EP O 825 404 A1 and Japanese Patent Publication no. Hei. 1-224163, the components to be combined together and then soldered.
  • FIG. 10 shows schematically a view of a known from the prior art heat exchanger unit 1000 and a known cooling module 1000 in the form of a soldered all-aluminum module and in the form of a cross-flow heat exchanger.
  • This cooling module 1000 has a first heat exchanger, a coolant radiator or radiator 1001 for cooling a motor vehicle engine, and a combined with the radiator 1001 second and third heat exchanger, a low-temperature radiator for cooling charge air, short low-temperature radiator, 1003 and a flat-tube capacitor 1002 , for air cooling for an automotive air conditioning system.
  • the radiator 1001, the low-temperature radiator 1003 and the capacitor 1002 parallel to each other or next to each other, optionally connected to each other via a common corrugated fin 1030, arranged, depending on the temperature of the fluid to be cooled in the heat exchanger - contrary to the ambient air flow direction 1004 - the low-temperature radiator 1003 is arranged behind the condenser 1002 and in front of the radiator 1001.
  • the radiator 1001 has two box-shaped plenums 1010, 1011, so-called coolant boxes 1010, 1011, between which a finned tube block 1012 of flat tubes 1013 and (not visible) corrugated fins 1014 is disposed.
  • the flat tubes 1013 are straight over their entire longitudinal extent or over the width of the radiator 1001 - transverse to the ambient air flow direction 1004 - and form a straight heat exchanger network 1012 in combination with the corrugated fins 1014.
  • the coolant boxes 1010, 1011 have receiving openings 1015, in which the flat tubes 1013 are inserted and preferably soldered, so that a fluidic connection between the flat tubes 1013 and the collecting spaces 1010, 1011 is formed.
  • the low-temperature radiator 1003 and the flat-tube condenser 1002 each have two tubular collecting chambers 1020, 1021 and 1030, 1031, so-called condenser collectors, short collectors, 1020, 1021 and 1030, 1031, between which a finned tube block 1022 and 1032, respectively Flat tubes 1023 and 1033 and corrugated fins 1024 and 1034 is arranged.
  • the flat tubes 1023 and 1033 are straight over their entire longitudinal extent or across the width of the respective flat tube condenser or low-temperature radiator 1003 or 1002-transversely to the ambient air flow direction 1004-and likewise form 1024 and 1034 in combination with the corrugated fins straight heat exchanger network 1022 or 1032 from.
  • the radiator 1001 may have a larger, i.e., larger, i.e., greater than 100, or low temperature, radiator 1003 due to its use for engine cooling and the associated greater amount of cooling fluid required. deeper, design than this, which finds expression in collecting chambers 1010, 1011 with a larger cross-sectional area and in wider and deeper flat tubes 1013.
  • the module construction depth is decisively determined by the - minimally possible - distances between the heat exchangers 1001, 1002, 1003. These, in turn, as shown clearly in FIG. 10, are determined by the overall depths of the collecting spaces 1010, 1011, 1020, 1021, 1030, 1031, the depth of the coolant reservoirs 1010, 1011 being decisive here.
  • FIG. 11 and 11 show a plan view (xy plane) and FIG. 12 shows a side view (xz plane) of this crossflow cooling module 1000 arranged in a motor vehicle 1050, wherein the cooling module 1000 as shown in Figures 11 and 12, an integrated one
  • Blower or an integrated fan 1055 which is connected to the cooling module 1000 associated fan cover 1056.
  • the cooling module 1000 in a vehicle longitudinal direction 1052 is located immediately behind a front of the vehicle Bumpers 1057 and with respect to a vehicle transverse direction 1051 centered (see Fig.11) arranged for this. Furthermore, the cooling module 1000, as can be seen from FIG. 12, is arranged in a vehicle height direction 1053 with respect to the bumper 1057 such that the bumper 1057 lies approximately at half the height of the cooling module 1000.
  • the engine 1058 to be cooled is arranged in the vehicle longitudinal direction behind the cooling module 1000 and about the same height as this.
  • FIG. 13 schematically shows a view corresponding to FIG. 10 for a heat exchanger unit 1300 known from the prior art or a known cooling module 1300 in the form of a soldered all-aluminum cooling module and, this time, in the form of a downflow heat exchanger.
  • this downdraft cooling module 1300 has a structure corresponding to the crossflow cooling module 1000.
  • FIGS. 14 and 15 show views corresponding to FIGS. 11 and 12 of this downdraft cooling module 1300 in the same arrangement in a motor vehicle 1050.
  • Such known cooling modules such as the cross-flow cooling module 1000 and the falling-current cooling mode 1300, have, as FIGS. 11 and 12 and FIGS. 14 and 15 illustrate, disadvantages.
  • Cooling module 1000 (geometrically) remains unused or geometrically unusable.
  • the invention is thus based on the object of providing a heat exchanger which can be produced simply and inexpensively, in particular for a heat exchanger unit, with which a space, in particular the installation space between a front bumper and the motor to be cooled in the motor vehicle, can be better utilized or
  • the installation space can be reduced in size, in particular also in the face of increasing demands on pedestrian protection.
  • a heat exchanger in particular for a motor vehicle, for example a coolant radiator, a condenser, a transmission oil cooler or a low-temperature radiator for a motor vehicle, is proposed.
  • This heat exchanger has at least one, in particular a heat exchanger or heat exchanger network - also radiator network - forming, Rippenrohrbiock and each end of tubes of the finned tube this block or this associated collecting spaces, for example, condenser or coolant boxes on.
  • signed is meant a fluidic, in particular fluid-tight, connection between the tubes, for example flat tubes, and the collecting spaces, for example box-shaped or tubular collecting spaces.
  • the tubes, in particular connecting tubes, such as flat tubes are assigned to the respective collecting space, in particular in openings of the (respectively assigned) collecting space, (soldered in) and / or mechanically (in) joined.
  • the at least one finned tube block in the longitudinal direction of the tubes i. in the direction of extension of the tubes between the collecting chambers, essentially in a curved shape.
  • this creates a "bent heat exchanger” or a heat exchanger with a “bent heat exchanger network or cooler network”.
  • This essentially curved shape according to the invention can be realized, for example, by bending the tubes of a finned tube block or a cooling network over the entire longitudinal extent uniformly or with partially continuously or even abruptly changing radii according to a predeterminable radius. curved (entire network is curved evenly or with different radii).
  • the shape according to the invention can also be realized by bending or bending the tubes of a finned tube block or a cooling network over the longitudinal extension partially, for example only in the center of the network or in two or more partial areas, according to one or more predeterminable radii or are.
  • At least one or even a plurality of straight network areas may be or may be provided in this embodiment (partially curved network).
  • the mold according to the invention can also be realized in that the finned tube block or the net is composed of at least two, but also more, even more, straight mesh portions with straight tube pieces in arcuate form (composed of straight tube portions in arcuate form Network).
  • individual network areas are connected to one another by further collecting spaces.
  • the partial finned tube blocks are connected in parallel substantially in the direction of ambient air flow.
  • it can also be provided to connect individual network regions (partial finned tube blocks) directly, if appropriate also by means of one-piece transitions, in particular in the case of the tubes and / or in the fins.
  • curved collecting chambers can also be provided, for example by curved collecting tubes and / or by individual segments of a collecting space constructed from segments, which are twisted relative to one another according to the bending to be achieved.
  • a collecting space constructed from segments is known from DE 101 12 697.
  • a "bowl-shaped" heat exchanger network can thus be realized.
  • the heat exchanger in arrangement as a cross-flow heat exchanger or in arrangement as a falling-flow heat exchanger, in particular in a motor vehicle, in particular in the case of the cross-flow heat exchanger, the bend about a vertical axis or a vehicle vertical axis and in the case of the downdraft heat exchanger, the bend is made around a transverse axis or about a vehicle transverse axis.
  • the heat exchanger in a motor vehicle with respect to a vehicle longitudinal direction between a bumper, in particular a front bumper, and a motor to be cooled.
  • the collecting chambers in particular box-shaped collecting chambers, - obliquely with respect to the tube box or pipe (box) floor (connecting) level - and / or in a collecting space at least one further component, such as a Transmission oil cooler to integrate.
  • tilt collecting chambers are known from a further, simultaneously filed patent application of the applicant with the name "box for receiving a fluid for a heat exchanger, heat exchanger, in particular for a heat exchanger unit, heat exchanger unit.
  • an inlet / outlet connection piece connected to a collecting space can be arranged for a fluid in the vehicle longitudinal direction.
  • an - optional - Intank heat exchanger such as an Intank transmission oil cooler, in particular integrated within a plenum, for example, within a coolant box, can be created with the same overall dimension.
  • the invention proposes a heat exchanger unit.
  • This heat exchanger unit for example, arranged as a cross-flow or as a drop-flow heat exchanger unit or cooler, in particular in a motor vehicle, has at least two combined heat exchanger according to the invention - or further developed, inventive heat exchanger - on.
  • the at least two heat exchangers are preferably arranged substantially parallel to one another or next to one another, optionally connected to one another via a common corrugated fin.
  • the combined heat exchanger bends of different strengths, for example by different radii and / or by different angular positions between straight
  • the heat exchanger unit is designed, for example, as a unit or module consisting of a large part or entirely of an aluminum material and / or as a Nocolok-soldered unit.
  • the heat exchanger unit in a motor vehicle with respect to a vehicle longitudinal direction between a bumper, in particular a front bumper, and a motor to be cooled.
  • the heat exchanger unit as a whole in particular to the (vehicle) transverse axis and / or (vehicle) high and / or (vehicle) longitudinal axis, be made oblique.
  • the heat exchanger unit can be provided on the heat exchanger unit further components or components such as a fan or a fan, optionally with an associated cover or hood, passively movable dynamic pressure flaps or actively movable blinds, additional holders, for example, for attachments, and / or Mounting bracket for mounting, for example, to a vehicle frame to arrange.
  • a fan or a fan optionally with an associated cover or hood
  • passively movable dynamic pressure flaps or actively movable blinds passively movable dynamic pressure flaps or actively movable blinds
  • additional holders for example, for attachments
  • / or Mounting bracket for mounting, for example, to a vehicle frame to arrange.
  • it can be provided to integrate these other components in the heat exchanger unit or in a heat exchanger of the heat exchanger unit.
  • the invention achieves fluidically favorable flow paths, in particular due to the favorable flow Umlenkungsixie in the heat exchanger or in the heat exchanger unit, in particular with respect to a flow of a fan, which is particularly advantageous when flowing through the unit in the fan mode.
  • FIG. 1 shows a view of an exemplary cooling module according to the invention in the form of a soldered all-aluminum module and in the form of a cross-flow heat exchanger with bent heat exchanger networks;
  • FIG. 2 shows a plan view (xy plane) of the exemplary cross-flow cooling module according to the invention from FIG. 1 in an arrangement in a motor vehicle
  • FIG. 3 shows a side view (xz-plane) of the exemplary inventive cross-flow cooling module of Figure 1 in an arrangement in a motor vehicle.
  • Cooling module in the form of a brazed all-aluminum module and in the form of a downdraft heat exchanger with bent heat exchanger networks;
  • FIG. 5 is a plan view (x-y plane) of the exemplary falling-current cooling module according to the invention from FIG. 4 arranged in a motor vehicle;
  • FIG. 6 shows a side view (x-z plane) of the exemplary falling-current cooling module according to the invention from FIG. 4 in an arrangement in FIG
  • Fig.7a, b, c different configurations for an exemplary inventive heat exchanger network in sheet form Fig.8a, principle cross-flow heat exchanger 800 with bent heat exchanger network 801;
  • FIG. 8a, b show a cross-flow heat exchanger with a bent heat exchanger network (FIG. 8a) and a downdraft heat exchanger with a bent heat exchanger network (FIG. 8b);
  • 9a, b, c an exemplary cooling module according to the invention with heat exchanger networks bent to different degrees; 10 is a view of a known from the prior art cooling module in the form of a soldered all-aluminum module and in the form of a cross-flow heat exchanger.
  • FIG. 11 is a plan view (x-y plane) of the cross-flow cooling module of Figure 10 in an arrangement in a motor vehicle.
  • Fig. 12 is a side view (x-z plane) of the cross-flow cooling module
  • Fig.10 in arrangement in a motor vehicle
  • FIG. 13 shows a view of a cooling module known from the prior art in the form of a soldered all-aluminum as well as in the form of a downflow heat exchanger;
  • FIG. 14 is a plan view (x-y plane) of the falling-current cooling module of FIG. 13 arranged in a motor vehicle; FIG.
  • FIG. 15 is a side view (x-z plane) of the falling-stream cooling module of FIG.
  • 16a, b show a space advantage towards the engine side in the case of a cooling module with bent heat exchanger networks in comparison with a cooling module with planar heat exchanger networks;
  • 17a, b show a construction space advantage in the upper corners for pedestrian protection in a cooling module with bent heat exchanger networks in comparison with a cooling module with planar heat exchanger networks; 18 shows a construction space advantage in the vehicle longitudinal direction and a flow advantage in a downdraft cooling module with bent heat exchanger networks in comparison with a tilted downdraft cooling module with planar heat exchanger networks; 5
  • Fig. 19a, b a flow advantage in a cooling module with curved
  • FIG. 1 schematically shows a view of an exemplary cooling module 100 according to the invention in the form of a brazed all-aluminum cooling module and in the form of a cross-flow heat exchanger (see FIG. 8 a, principle cross-flow heat exchanger 800 with bent heat exchanger network 80 1) 20 with bent heat exchanger networks 112, 122, 132.
  • This cooling module 100 has a first heat exchanger, a coolant cooler or radiator 101 for cooling a motor vehicle engine, and a second and third heat exchanger combined with the radiator 101.
  • the radiator 101, the low-temperature radiator 103 and the capacitor 102 are parallel to each other or demoeinan-, optionally connected via a (not visible) common corrugated fin 130 together , wherein, depending on the temperature of each of the heat exchanger to be cooled in the fluid - against the ambient air flow direction 104 - the low-temperature cooler 103 is arranged after the condenser 102 and in front of the radiator 101.
  • the radiator 101 has two box-shaped collecting chambers 110, 111, so-called coolant boxes 110, 111, between which a finned tube block 112 of flat tubes 113 and (not visible) corrugated fins 114 is arranged.
  • the flat tubes 113 are designed to be uniformly bent over their entire longitudinal extent or across the width of the radiator 101, transversely to the direction of the ambient air flow 104 (compare Fig. 7a) and form a uniformly curved heat exchanger network 112 in combination with the corrugated fins 114.
  • the coolant boxes 110, 111 have receiving openings 115, into which the flat tubes 113 are inserted, so that a fluid-technical connection between the flat tubes 113 and the collecting spaces 110, 111 is formed.
  • the low-temperature cooler 103 and the flat-tube condenser 102 each have two tubular collecting chambers 120, 121 or 130, 131, so-called condenser collectors or collectors, 120, 121 or 130, 131, between a ribbed tube block 122 or 132 of flat tubes 123 and 133 and (not visible) corrugated fins 124 and 134 is arranged.
  • the flat tubes 123 and 133 are bent over their entire lengthwise extent or over the width of the respective flat tube condenser or low-temperature radiator 102 or 103, transversely to the ambient air flow direction 104 and likewise form in combination with the corrugated ribs 124 and 134 a bent heat exchanger network 122 and 132, respectively.
  • the collectors 120, 121 and 130, 131 receiving openings 125 and 135, in which the flat tubes 123 and 133 are inserted, so that here a fluid connection between the flat tubes 123 and the collecting spaces 120, 121 and between the flat tubes 133 and the collecting spaces 130, 131 is formed.
  • FIG. 2 and 3 each show a view
  • FIG. 2 shows a plan view (xy plane)
  • FIG. 3 shows a side view (xz plane) of this exemplary inventive cross-flow cooling module 100 arranged in a motor vehicle 150
  • the cooling module 100 as shown in FIGS. 2 and 3
  • the cooling module 100 is arranged in a vehicle longitudinal direction x 152 directly behind a bumper 157 forming the vehicle front and in the center of the vehicle transverse direction y 151 (see FIG. Furthermore, as can be seen from FIG. 3, the cooling module 100 is arranged in a vehicle height direction z 153 with respect to the bumper 1057 such that the bumper 157 lies approximately at half the height of the cooling module 100.
  • the motor to be cooled 158 is arranged.
  • Figures 2 and 3 show that distributed on the fan cover 156 - i. Above and below and left and right of the fan 155 - (passive) dynamic pressure flaps 160 and active blinds 161 are arranged.
  • FIG. 4 shows schematically a view corresponding to FIG. 1 for a further exemplary inventive heat exchanger unit 200 or another exemplary inventive cooling module 200 in the form of a soldered all-aluminum heat exchanger block and-this time-in the form of a downflow heat exchanger (see FIG. Falling heat transfer tube 810 with bent heat exchanger network 811) also with bent heat exchanger networks 212, 222, 232.
  • this downdraft cooling module 200 has a structure corresponding to the crossflow cooling module 100.
  • FIGS. 5 and 6 show the views corresponding to FIGS. 2 and 3 of this downdraft cooling module 200 in the same arrangement in a motor vehicle 150.
  • FIGS. 7a to c show various embodiments of heat exchangers 701, 702, 703 according to the invention, which, as shown, both in arrangement as a cross-flow heat exchanger and in arrangement as a falling stream Heat exchangers can be realized (see Fig. 8a and b), with a curved net 710, 720, 730 or a heat transfer network in arc form 710, 720, 730th
  • the essentially curved shape according to the invention can be realized in that the flat tubes 711 of the finned tube block 710 or the radiator mesh 710 uniformly or over the entire longitudinal extent 750 according to a predeterminable radius R 712 not shown here is - with partially - continuously or even jump - changing radii are bent or curved (entire network is bent uniformly or with different radii R).
  • the shape according to the invention can also be realized in that the flat tubes 721 of a finned tube block 720 or of a cooler network 720 are partially, over the longitudinal extent 750, for example, as shown in FIG. 7b, only in the middle of the network 722 or - which is not shown here - is bent or curved in two or more subregions, according to one or more predeterminable radii R 712.
  • At least one o-der also several straight mesh areas 723, 724, for example, two straight mesh areas 723, 724 to the collection spaces 751, 752 out, provided (partially bent network).
  • the shape according to the invention can also be realized in that the finned tube block 730 or the mesh 730 is made of at least two, but preferably three, which is shown here, or even more, (even) mesh regions 731, 732, 733 with straight pipe sections 734, 735, 736 is composed of an arched form (a net composed of straight pipe sections in a bow shape).
  • the individual mesh areas 731, 732, 733 are connected to one another by further collecting spaces 753, 754.
  • FIGS. 9a to c show another exemplary cooling module 900 according to the invention with three heat exchangers 901, 902, 903 with bent heat exchanger networks 910, 920, 930 arranged essentially parallel to one another.
  • the combined heat exchangers 901, 902, 903 or the heat exchanger networks 910, 920, 930 are bent to different degrees, which, as shown in FIGS. 9a-c, may be realized by different bending radii R2 having center M2 (at 903 and 930, respectively), R3 at center M3 (at 902 and 920, respectively), R4 at center M4 (at 901 and 910, respectively) ,
  • FIG. 9a shows that the heat exchanger 903, whose net 930 has the slightest bend relative to the heat exchangers 902, 901, is bent more strongly than the front bumper 960 (R1, M1) and thus can be moved closer to the bumper 960.
  • FIG 16 which shows the exemplary cross-flow cooling module according to the invention with bent heat exchanger networks from FIGS. 1 to 3, illustrated by FIG a cut-out circle 1600 - that can be realized by the exemplary cooling module according to the invention with bent heat exchanger networks according to the effect described in connection with Figure 9a to c, a space advantage to the motor side.
  • FIG. 17a which also shows the exemplary cross-flow cooling module according to the invention with bent heat exchanger networks from FIGS. 1 to 3, which also show the known crossflow cooling module arranged in a motor vehicle according to FIGS shows, emphasized by a cut-out circle 1700, that can be realized by the exemplary cooling module according to the invention with curved heat exchanger networks according to the effect described in connection with Figure 9a to c, a space advantage in the upper corners to the bumper side.
  • Fig. 18 also shows this effect - in juxtaposition with a tilted known downdraft cooling module with straight or planar heat transfer nets 1850 (marked by dotted lines) - for a corresponding exemplary downdraft cooling module according to the invention with curved heat exchanger nets 1800 according to Figures 4 to 6.
  • the downdraft cooling module 1800 can be bent out 1806 from the upper impact area 1805, the fan motor not having to be moved 1807, 1808 as far back as a corresponding tilt of the tilted known downdraft cooling module with straight or flat heat exchanger nets 1850.
  • FIG. 18 illustrates an improved flow 1804 of the downflow cooling module according to the invention with bent heat exchanger networks 1800.
  • 19a and b are advantageous flow conditions or flow paths 1902 - in comparison with flow paths 1951 in a known crossflow cooling module with straight or flat heat transfer networks 1950 (FIG. 19a) - in an exemplary inventive crossflow cooling module with bent heat exchanger networks 1900 illustrated in Figure 1 to 3.
  • FIG. 19a and b show that flow-favorable flow paths 1902, in particular with respect to an inflow 1902 of the fan, can be realized in the cross-flow cooling module with bent heat exchanger networks 1900, in particular because of the favorable flow deflection conditions that can be realized there in the crossflow cooling module 1900, which is particularly advantageous when flowing through the unit in fan mode.
  • FIG. 20 shows a comparison of a further example of a bent-network heat exchanger according to the invention, in this case a curved-network coolant radiator 2000 and an inclined coolant-box bottom 2001 or an inclined coolant-box 2002 (right-hand side of the figure) and a section of an exemplary one Coolant cooler according to the invention 2100 with a curved net 2010 and in this case a conventional straight coolant box bottom 2101 and a straight coolant box 2102 (left side of the figure).
  • Such “skewed” coolant boxes i.e. generally “skewed” plenums, are known from another applicant's copending application entitled "box for containing a fluid for a heat exchanger, heat exchanger, especially for a heat exchanger unit.
  • this installation space can be used with a - geometrically more favorable - nozzle attachment in the vehicle longitudinal direction 2200 and with an Intank transmission oil cooler 2300 in the coolant housing 2002.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

L'invention concerne un élément caloporteur, notamment pour une unité de transmission thermique, cet élément caloporteur comportant au moins un bloc de tubes à nervures et des espaces collecteurs associés situés à l'extrémité des tubes, par exemple des collecteurs-condensateurs ou des récipients pour liquide de refroidissement. Selon l'invention, au moins un bloc de tubes à nervures est sensiblement cintré dans le sens longitudinal des tubes, à savoir dans le sens longitudinal des tubes entre les espaces collecteurs.
EP06706547A 2005-02-17 2006-02-01 Element caloporteur, notamment pour une unite de transmission thermique, et unite de transmission thermique Withdrawn EP1853867A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005007503 2005-02-17
PCT/EP2006/000869 WO2006087100A1 (fr) 2005-02-17 2006-02-01 Element caloporteur, notamment pour une unite de transmission thermique, et unite de transmission thermique

Publications (1)

Publication Number Publication Date
EP1853867A1 true EP1853867A1 (fr) 2007-11-14

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EP06706547A Withdrawn EP1853867A1 (fr) 2005-02-17 2006-02-01 Element caloporteur, notamment pour une unite de transmission thermique, et unite de transmission thermique

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EP (1) EP1853867A1 (fr)
DE (1) DE102006004982A1 (fr)
WO (1) WO2006087100A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011105920A1 (de) * 2011-06-21 2012-12-27 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Wärmetauscheranordnung für ein Kraftfahrzeug und Kraftfahrzeug
AT525742B1 (de) * 2022-06-08 2023-07-15 Ktm Ag Kühlvorrichtung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB583814A (en) * 1944-01-17 1946-12-31 James Frank Belaieff Improvements in or relating to secondary surface heat exchange apparatus
DE2951352C2 (de) * 1979-12-20 1982-10-28 Dieter Christian 9050 Steinegg-Appenzell Steeb Flachrohr-Wärmetauscher
JPS5958631U (ja) * 1982-10-13 1984-04-17 本田技研工業株式会社 自動二輪車の熱交換器
JP2997818B2 (ja) * 1990-09-07 2000-01-11 昭和アルミニウム株式会社 屈曲型熱交換器
US5209285A (en) * 1990-09-24 1993-05-11 General Motors Corporation Inclined tube radiator
JPH06146877A (ja) * 1992-10-29 1994-05-27 Showa Alum Corp 熱交換器
DE10223712C1 (de) * 2002-05-28 2003-10-30 Thermo King Deutschland Gmbh Anordnung zum Klimatisieren eines Fahrzeugs
JP2005321151A (ja) * 2004-05-10 2005-11-17 Sanden Corp 熱交換器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006087100A1 *

Also Published As

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DE102006004982A1 (de) 2006-09-14
WO2006087100A1 (fr) 2006-08-24

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