EP0881447B1 - Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug - Google Patents
Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug Download PDFInfo
- Publication number
- EP0881447B1 EP0881447B1 EP98107377A EP98107377A EP0881447B1 EP 0881447 B1 EP0881447 B1 EP 0881447B1 EP 98107377 A EP98107377 A EP 98107377A EP 98107377 A EP98107377 A EP 98107377A EP 0881447 B1 EP0881447 B1 EP 0881447B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- tube
- wall sections
- flow
- tube ends
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/025—Tubular elements of cross-section which is non-circular with variable shape, e.g. with modified tube ends, with different geometrical features
-
- 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
- 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
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
- F28F2009/004—Common frame elements for multiple cores
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/16—Fastening; Joining with toothed elements, e.g. with serrations
Definitions
- the invention relates to a heat exchanger for a motor vehicle with a rib / tube block, the flat tubes on opposite sides with such expanded pipe ends are provided that transversely, adjacent to each other Wall sections of the pipe ends lie flat against each other and the pipe ends are aligned in a row, wherein on the pipe ends on both sides each have a flow box flush with corresponding longitudinal wall sections the pipe ends is placed, as well as a Heat exchanger arrangement for a motor vehicle with at least two arranged one behind the other in the direction of flow Heat exchangers.
- Such devices are for example out US 4,206,806 known.
- the object of the invention is to provide a heat exchanger and a Heat exchanger arrangement of the type mentioned above create a functionally reliable manufacturing as well as a enable simple and space-saving construction.
- this object is achieved in that the adjacent, transverse wall sections the pipe ends are fixed positively abutting. This makes it possible, already during the pre-assembly of the heat exchanger, i.e. before the soldering of the individual components, an exact alignment and fixation of the pipe ends together to achieve. Tolerances due to a lateral offset individual pipe ends can be avoided. By the form-fitting Plant the wall sections together In addition, an enlarged contact surface, which increased one Safety of the solder joint has the consequence.
- the corners of the expanded pipe ends with radii between 0 and 2 mm provided.
- the expanded tube ends preferably a rectangular shape, which according to the previously described Embodiments additionally with correspondingly deformed wall sections can be provided.
- the preferred radii Ensure that between the adjacent pipe ends too in the area of the outsides only extremely narrow column remain completely through the solder during the soldering process can be filled, so that the dense solder joint with each other and in particular to the lateral wall areas the flow boxes ensured.
- the pipe ends each asymmetrical to the center longitudinal planes of the associated Flat tubes widened. This makes it possible to have special arrangements to realize the components of the heat exchanger, without affecting the safe function of the heat exchanger.
- the scope corresponds the expansion of each pipe end to the extent of the associated Flat tube plus or minus 30%.
- the negative relation between the circumference of each flat tube and the circumference of the associated, expanded pipe end results in particular by a partially double-walled folding the Wall of pipe ends.
- the lateral pipe sections facing the adjacent pipe ends have a height of between 0.3 and 2 times a pitch of the flat pipes, namely 0.3T ⁇ H 1 ⁇ 2T. This preferred dimensioning allows a secure tight connection between the pipe ends and sufficient stability of the entire fins / tube block.
- the flat tubes obliquely relative to the axis of symmetry of the flared pipe ends aligned. Also by this configuration is a special arrangement of the heat exchanger in a motor vehicle possible, in particular an oblique arrangement the heat exchanger within an engine compartment of the motor vehicle - In the normal direction of travel of the motor vehicle based - is advantageous.
- the inventive Problem solved in that the at least two heat exchangers on opposite sides one common each Side part is assigned. Through the common side parts on the one hand, a simple and secure connection of the heat exchanger relative to each other and the other an exact Positioning relative to each other achieved. Furthermore results in a simplified assembly and manufacturing for the Heat exchanger assembly with a reduced number of Components.
- the flow boxes of at least one heat exchanger in their side areas open designed, and the opposite side panels are each with at least one corresponding end portion provided in the respective side areas of the Protrude flow boxes and close them tight.
- the at least two heat exchangers common, over the total depth of the ribs / tube block extending ribs. This will achieves a simplified construction of the heat exchanger arrangement, because the number of components is reduced and the ribs directly the connection of the heat exchangers with each other produce.
- the flow boxes the at least two heat exchanger with connection piece provided, which are parallel to each other and curved in the same direction are aligned. This is a streamlined Arrangement of the connecting piece given, which also saves space acts.
- isolation column arranged between the Pipes and / or the flow boxes isolation column arranged. These insulation gaps are used for thermal insulation the adjacent heat exchanger against each other, wherein the Isolation column preferably each of the tubes over their entire Length up to the respective flow boxes from each other separate. However, this embodiment also detects insulation gaps, the only sections between the adjacent Pipes and / or flow boxes are provided.
- the isolation column have preferred widths between 1 and 10 mm on.
- a heat exchanger assembly 1 for a motor vehicle has a first heat exchanger in the form a water / air cooler, a second heat exchanger in Form of a charge air cooler and a third heat exchanger in the form of a capacitor.
- the three heat exchangers are parallel to each other transversely to the vehicle longitudinal direction in an engine compartment of the motor vehicle arranged so that they are in Direction of flow of the airstream in the normal direction of travel of the motor vehicle are arranged one behind the other.
- the water / air cooler has a in Fig. 1 upper than Flow box serving water tank 2 and a lower Water tank 5, wherein the lower water tank 5 two connecting pieces 9 and 10 for connecting the water / air cooler arranged on the corresponding cooling water circuit are.
- a rib / tube block 4 Between the two water tanks 2 and 5 extends a rib / tube block 4, its structure and its connection with the water boxes 2 and 5 described in more detail below will be.
- Behind the water / air cooler is the intercooler arranged, one serving as a flow box upper air box 3 and a corresponding lower Air box 6 has.
- Between the two air boxes 3 and 6 is analogous to the water / air cooler a not shown Ribs / tube block provided, its construction and its Connection with the air boxes 3 and 6 the corresponding structure of the water / air cooler corresponds.
- Behind the intercooler the capacitor is positioned, which is an upper one Flow box 13 and a lower flow box 14 and one between these flow boxes 13, 14 extending and having unspecified ribs / tube block.
- Flow box 13, 14 is replaced by two to a circular hollow chamber profile composed half-shells, respectively a half-shell a bottom of the respective flow box 13, 14 represents and with indentations for tight connection is provided at pipe ends of the flat tubes.
- the side are the Flow boxes 13, 14 each through a lid insert tightly closed.
- Both the ribs / tube block of the intercooler and the Ribs / tube block of the water / air cooler are of a variety of parallel flat tubes and between composed of these arranged corrugated fins.
- the opposite Pipe ends of the flat tubes are each rectangular expanded, so that the pipe ends of FIG. 1 in each case a row with their in the longitudinal direction of the flow boxes seen transverse wall sections flat and close to each other.
- the longitudinal wall sections the flared pipe ends each run in one Escape to each other.
- the pipe ends, each the outside of the Form ribs / tube block are corresponding, longitudinal Wall areas of the flow boxes flat and flush final.
- the expanded pipe ends form thus directly the bottoms "of the flow boxes, so that the additional Provision of floors in the area of the flow boxes is avoided.
- the described structure of the heat exchanger corresponds to the design of the pipe ends and the placement of the Flow boxes, as in the unpublished DE 195 43 986.4 is described.
- the flow boxes of both the intercooler and the Water / air coolers are on their opposite side areas each designed open.
- This side areas of the flow boxes takes over each a termination section 15, 16, 18, 19 of a side part 11, 12, which integrally over the entire depth of the heat exchanger assembly and thus extends over all three heat exchangers.
- the two side parts 11, 12 limit the ribs / tube blocks the water / air cooler, the intercooler and the capacitor on opposite sides.
- the flow boxes 13, 14 of the Kondenstators have the side parts 11, 12 only a contact portion 17, the on a lower edge of the respective half shell of the flow boxes 13, 14 is supported and thus no lateral sealing function takes over.
- the two side parts 11, 12 are for assembly the heat exchanger assembly from opposite sides attached to the ribs / pipe blocks and simultaneously with their termination sections 15, 16, 18, 19 axially - on the Referred to longitudinal direction of the flow boxes - in the flow boxes used.
- a clamping device such as tension bands or the like, the entire heat exchanger assembly including the side parts 11, 12 in the transverse direction of the Ribs / pipe blocks loaded on pressure and then in a common soldering process soldered tight.
- all components of the heat exchanger assembly 1 made of sheet metal, preferably an aluminum alloy are made. At least the each tight to be joined sections of the individual components of the heat exchanger assembly are soldered accordingly.
- each retaining claws provided in the embodiment of FIG. 7 are provided with the reference numeral 26. These are going to be the axial insertion of the end portions of the side parts 11, 12 bent inwards, wherein they are in corresponding recesses the contact webs of the end portions 15, 16, 18, 19 intervene. Even without the described clamping device Thus, a fixation on the side parts 11, 12 already the flow boxes of the intercooler and the water / air cooler relative to the associated ribs / tube blocks and relative achieved to the side parts 11, 12.
- FIGS. 6 to 8 Another heat exchanger arrangement according to FIGS. 6 to 8 has only two successively arranged heat exchanger of which one as a water / air cooler and the other than capacitor are formed.
- the water / air cooler corresponds in its construction to the previously with reference to FIG. 1 to 5 described in detail water / air cooler of the heat exchanger assembly 1, so that no further explanation necessary is.
- the water / air cooler and the Capacitors are also on opposite sides two associated with common side parts 12a, which correspond in principle accordingly the side panels 11 and 12, but for only two heat exchangers designed, designed.
- Each side part 12a only has one end section 16a in each case for the respective side area of the water box of the water / air cooler on, analogous to the embodiment according to the Fig. 1 to 5 by means of retaining claws 26 in the side areas fixed and then tight with the water boxes are soldered.
- FIG. 9 is a heat exchanger assembly similar to Figs. 6 to 8 shown in fragmentary form, preferably also from a water / air cooler and a capacitor.
- this heat exchanger arrangement a common Having ribs / tube block, in which the flat tubes 21 b of the Condenser on the one hand and the flat tubes 24b of the water / air cooler on the other hand are separated, but the common and over the entire depth of the heat exchanger assembly has continuous corrugated ribs 27.
- the corrugated ribs 27 thus have the same width as those also over the entire heat exchanger assembly extending side panels 12b on.
- the heat exchanger assembly of FIG. 10 is analogous to Heat exchanger assembly of FIG. 9 also with a common Ribs / tube block provided with corrugated fins 28 itself extend over the entire depth of the heat exchanger assembly.
- the heat exchanger arrangement 29 according to FIG. 11 corresponds to FIG their structure basically the embodiment of the Fig. 1 to 5 or Fig. 10.
- a water / air cooler has Flat tubes 30 a not shown ribs / tube block on, on their expanded pipe ends directly water tanks 35 are attached.
- the water boxes 35 are identical and designed symmetrically to each other and each have one Connecting piece 37, according to the illustration according to Fig. 11 parallel to each other in the same direction horrrekken.
- the intercooler has analogous to the water / air cooler designed flat tubes 31 of an associated ribs / tube block on, on whose flared pipe ends on opposite Pages each an air box 34 is placed.
- the air boxes 34 on the opposite sides of the Intercooler are identical and symmetrical to each other, wherein both air boxes each have a terminal manifold each above or below the respective Water box 35 so symmetrical to the water / air cooler is curved, that the inserted connecting piece 36 parallel aligned with the connection piece 37 of the water / air cooler are.
- by virtue of symmetrical, identical construction of the opposite Flow boxes is a simplified manufacture the heat exchanger assembly in particularly high quantities allows.
- the condenser which consists of flow boxes 33 and a flat tubes 32 having ribs / tube block composed is also symmetrical to a median transverse plane (shown in phantom) of the heat exchanger assembly built up.
- the individual heat exchangers according to FIG. 11 are through common side parts and / or over the entire depth the heat exchanger assembly 29 extending corrugated fins to a Entire block analogous to the previously described embodiments firmly connected.
- all components of the heat exchanger and the Heat exchanger assembly for a soldering in a common Soldering process are made of metal.
- the heat exchanger arrangements according to FIGS. 8 to 11 have flow boxes (water tank 2a and flow box 13a according to FIG. 8 and water tank 35, air box 34 and flow box 33 according to FIG. 11), which are separated from each other by insulation gaps SP 1 , SP 4 are.
- insulation gaps SP 1 , SP 4 are provided between the water tank 2 a and the flow box 13 a of FIG. 8
- the insulation gap between the water tank 35 and the air box 34 is designed substantially larger.
- the insulation gaps should avoid heat transfer between the different hot or hot flow boxes during operation.
- insulation gaps SP 2 are provided between the tubes 21b, 24b, as well as insulation gaps SP 2 and SP 3 between the tubes 21c, 22c, 24c, which serve for thermal insulation of the adjacent tube blocks (FIGS. 9, 10).
- insulation gaps SP 2 , SP 3 are provided between the tubes 31, 32 and 30, 31.
- All insulation gaps have a width between 1 mm and 10 mm up.
- a heat exchanger as he uses the water / air cooler as well
- the intercooler of the embodiments described above disclosed may have various details, which makes up for a heat exchanger with a principle already described the structure below with reference to FIGS. 12 to 21 listed embodiments result. These details can be either on your own or in optional Combining the respective embodiments of heat exchangers result.
- the flared tube ends of the fin / tube block of a heat exchanger as previously described in principle, provided with a rectangular bulge A, as shown in Fig. 20.
- the width L (FIG. 14) of the longitudinal wall sections of each bulge A is less than the width B 2 (FIG. 14) of the associated flat tubes.
- the longitudinal wall sections extending in the longitudinal direction of the flow boxes have a width B 1 which corresponds to the pitch T of the fin / tube block.
- the height H 1 of the transverse wall sections of the bulges A which corresponds to the height of the contact surface of these wall sections to each other, is between 0.3 and 2 times the pitch T of the rib / tube block, the selection of this area depends on the respective requirements of the heat exchanger is selected.
- each bulge A between the normal flat tube cross-section and the respective end face of the flared tube end has an angle of inclination W - to the surface of the transverse wall portion of the bulge A - on which between 5 ° and 90 °, but preferably between 25 ° and 65 ° lies.
- the transition region either as an inclined plane or only as a direct connection of two radii - from the flat tube on the one hand and from the bulge forth on the other hand - be provided.
- the inclination angle W is then determined by the common tangent of the two radii. As can be seen from FIG.
- the height H 2 of the longitudinal wall sections of each bulge A which serves for the planar soldering of the corresponding wall regions of the respective flow box S, is less than the height H 1 of the transverse wall sections, the ratio of this height H 1 and H 2 is the degree of the bulge A relative to the flat tube F results.
- the degree of bulge is defined inter alia by the ratio of the peripheries of the bulge A on the one hand and the associated flat tube F on the other hand.
- the scope of the bulge A is dimensioned according to preferred embodiments so that it corresponds to the circumference of the associated flat tube F plus or minus 30%.
- the corners of the rectangular bulges A of the flat tubes preferably have an outer radius R a and an inner radius R i , which are between 0 and 2 mm.
- the outer radius R a is so dimensioned that remain only very narrow joints between the adjacent pipe ends and the side walls of the flow boxes, which are completely and tightly filled in the soldering oven by the flowing solder.
- the tube ends of the flat tubes F of the ribs / tube block are expanded asymmetrically, resulting in a central longitudinal plane of each flat tube F staggered bulges A s .
- the adjacent bulges A s are juxtaposed as shown in FIG. 13 to achieve the mutual tight connection.
- the flat tubes form either according to the flat tube F 1 of FIG. 17 a single, continuous flow channel, or are provided according to the embodiment of FIGS. 14 to 16 with two separate flow channels (F S1 , F S2 ), wherein the flat tube F is designed by corresponding longitudinal corrugations N on opposite sides.
- the two flow channels can also be created by a correspondingly extruded aluminum profile.
- more than two flow channels are provided in a flat tube.
- FIGS 21 show various exemplary embodiments which further improve the bottomless "heat exchangers, in which flow boxes are placed directly on the widened tube ends of the rib / tube block .
- a form-fitting fixation of the widened tube ends to one another transversely to the longitudinal direction of the flow boxes, not shown, is achieved by a corresponding shaping of the transverse wall sections of the widened tube ends A 1 , A 2 , A 3 and A 6 19 arcuately curved in the embodiment according to Fig. 19.
- the wall sections of the embodiment according to Fig. 20 have arcuate curvatures which run between rectilinear webs of the wall sections As shown in FIG. 21, the wall sections are also wavy, with the waveform extending to the transverse wall sections and not transitioning to linear webs, as in the embodiment of FIG. 19.
Description
- Fig. 1
- zeigt eine Frontansicht einer Ausführungsform einer erfindungsgemäßen Wärmeübertrageranordnung, die aus drei unterschiedlichen Wärmeübertragern zusammengesetzt ist,
- Fig. 2
- eine Seitenansicht der Wärmeübertrageranordnung nach Fig. 1,
- Fig. 3
- ein gemeinsames Seitenteil für die Wärmeübertrageranordnung nach den Fig. 1 und 2,
- Fig. 4
- eine Ansicht des Seitenteiles nach Fig. 3 in Richtung des Pfeiles IV in Fig. 3,
- Fig. 5
- einen Schnitt durch die Wärmeübertrageranordnung nach den Fig. 1 und 2 entlang der Schnittlinie V-V in Fig. 2,
- Fig. 6
- einen Schnitt durch eine weitere Wärmeübertrageranordnung nach Fig. 7 entlang der Schnittlinie VI-VI in Fig. 7,
- Fig. 7
- eine Seitenansicht der weiteren Wärmeübertrageranordnung, die zwei unterschiedliche Wärmeübertrager mit einem gemeinsamen Seitenteil aufweist,
- Fig. 8
- einen Längsschnitt durch die Wärmeübertrageranordnung nach Fig. 7,
- Fig. 9
- schematisch einen Querschnitt auf Höhe eine Rippen/Rohrblockes durch eine Wärmeübertrageranordnung ähnlich den Fig. 7 und 8,
- Fig. 10
- einen weiteren schematischen Querschnitt durch eine Wärmeübertrageranordnung ähnlich den Fig. 1, 2 und 5 im Bereich eines gemeinsamen Rippen/Rohrblockes,
- Fig. 11
- einen Längsschnitt durch eine weitere Ausführungsform einer erfindungsgemäßen Wärmeübertrageranordnung mit drei unterschiedlichen Wärmeübertragern, die strömungsgünstig und symmetrisch angeordnete Anschlußstutzen aufweisen,
- Fig. 12
- schematisch einen Ausschnitt eines Rippen/Rohrblockes im Bereich aufgeweiteter Rohrenden,
- Fig. 13
- einen weiteren Ausschnitt eines Rippen/Rohrblockes ähnlich Fig. 12 mit asymmetrisch aufgeweiteten Rohrenden,
- Fig. 14
- einen Ausschnitt eines Flachrohres gemäß Fig. 12 im Bereich seines aufgeweiteten Rohrendes,
- Fig. 15
- schematisch einen Schnitt durch einen als Strömungskasten dienenden Wasserkasten, der auf aufgeweitete Rohrenden von Flachrohren aufgesetzt ist,
- Fig. 16
- einen Schnitt durch das Flachrohr gemäß Fig. 14 entlang der Schnittlinie XVIII in Fig. 14,
- Fig. 17
- einen Schnitt durch ein weiteres Flachrohr ähnlich Fig. 18,
- Fig. 18
- schematisch eine Draufsicht auf aufgeweitete Rohrenden eines Rippen/Rohrblockes,
- Fig. 19
- schematisch aufgeweitete Rohrenden eines weiteren Rippen/Rohrblockes ähnlich Fig. 21,
- Fig. 20
- schematisch eine Draufsicht auf aufgeweitete Rohrenden eines weiteren Rippen/Rohrblockes ähnlich Fig. 21,
- Fig. 21
- schematisch aufgeweitete Rohrenden eines weiteren Rippen/Rohrblockes ähnlich den Fig. 21 bis 23, und
Claims (19)
- Wärmeübertrager für ein Kraftfahrzeug mit einem Rippen/Rohrblock, dessen Flachrohre auf gegenüberliegenden Seiten mit derart aufgeweiteten Rohrenden versehen sind, daß querverlaufende, einander benachbarte Wandungsabschnitte der Rohrenden flächig aneinanderliegen und die Rohrenden in einer Reihe miteinander fluchten, wobei auf die Rohrenden auf beiden Seiten jeweils ein Strömungskasten bündig abschließend mit entsprechenden längsverlaufenden Wandungsabschnitten der Rohrenden aufgesetzt ist,
dadurch gekennzeichnet, daß die einander benachbarten, querverlaufenden Wandungsabschnitte der Rohrenden (A1, A2, A3, A6) formschlüssig aneinanderliegend fixiert sind. - Wärmeübertrager nach Anspruch 1, dadurch gekennzeichnet, daß die den Strömungskästen (S1, S2) zugewandten, längsverlaufenden Wandungsabschnitte der Rohrenden (A4, A5) formschlüssig an korrespondierenden Wandungsbereichen der Strömungskästen (S1, S2) anliegen.
- Wärmeübertrager nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die einander zugewandten, querverlaufenden Wandungsabschnitte benachbarter Rohrenden (A2) mit zueinander korrespondierenden, wellen- oder bogenförmigen Krümmungen versehen sind.
- Wärmeübertrager nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die längsverlaufenden Wandungsabschnitte der Rohrenden (A4, A5) mit jeweils wenigstens einer aus der Flucht der Wandungsabschnitte abragenden Krümmung oder Ecke versehen sind, und daß die zugeordneten Wandungsbereiche der Strömungskästen (S1, S2) entsprechend gegensinnig gekrümmt oder gezackt verlaufen.
- Wärmeübertrager nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Ecken der aufgeweiteten Rohrenden (A) mit Radien (Ri, Ra) zwischen 0 und 2 mm versehen sind.
- Wärmeübertrager nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Rohrenden (AS) jeweils asymmetrisch zu einer Mittelebene des zugeordneten Flachrohres (7) aufgeweitet sind.
- Wärmeübertrager nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Umfang der Aufweitung (A) jedes Rohrendes dem Umfang des zugeordneten Flachrohres (F, F1) zuzüglich oder abzüglich 30% entspricht.
- Wärmeübertrager nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein Übergangsbereich zwischen der Aufweitung des Rohrendes und einem Flachrohrmantel in einem Winkel (W) zwischen 5° und 90°, vorzugsweise zwischen 25° und 65°, zu dem querseitigen Wandungsabschnitt der Aufweitung geneigt ist.
- Wärmeübertrager nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Erstreckung (L) der querverlaufenden Wandungsabschnitte geringer ist als die Breite (B2) der Flachrohre.
- Wärmeübertrager nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die den benachbarten Rohrenden zugewandten querverlaufenden Wandungsabschnitte eine Höhe (H1) zwischen 0,3 und 2 mal einem Teilungsabstand (T) der Flachrohre, nämlich 0,3T ≤ H1 ≤ 2T aufweisen.
- Wärmeübertrager nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Höhe (H2) der Lötfläche der dem Sammelkasten (S) zugewandten längsverlaufenden Wandungsabschnitte geringer ist als die Höhe (H1) der querverlaufenden Wandungsabschnitte.
- Wärmeübertrager nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Flachrohre (F2) relativ zu Symmetrieachsen der Aufweitungen (A) der Rohrenden schräg verlaufend ausgerichtet sind.
- Wärmeübertrageranordnung für ein Kraftfahrzeug mit wenigstens zwei in Durchströmungsrichtung hintereinander angeordneten Wärmeübertragern nach Anspruch 1, dadurch gekennzeichnet, daß den wenigstens zwei Wärmeübertragern auf gegenüberliegenden Seiten jeweils ein gemeinsames Seitenteil (11, 12, 12a) zugeordnet ist.
- Wärmeübertrageranordnung nach Anspruch 13, dadurch gekennzeichnet, daß die Strömungskästen (2, 3, 5, 6, 2a) von wenigstens einem Wärmeübertrager in ihren Seitenbereichen offen gestaltet sind, und daß die gegenüberliegenden Seitenteile (11, 12, 12a) jeweils mit wenigstens einem korrespondierenden Abschlußabschnitt versehen sind, die in die jeweiligen Seitenbereiche der Strömungskästen (2, 3, 5, 6, 2a) hineinragen und diese dicht abschließen.
- Wärmeübertrageranordnung nach Anspruch 14, dadurch gekennzeichnet, daß die Außenkonturen der Abschlußabschnitte an die korrespondierenden Innenkonturen der Seitenbereiche der Strömungskästen (2, 3, 5, 6, 2a) angepaßt sind.
- Wärmeübertrageranordnung nach einem der Ansprüche 13 bis 15, dadurch gekennzeichnet, daß die wenigstens zwei Wärmeübertrager gemeinsame, sich über die Gesamttiefe des Rippen/Rohrblockes erstreckende Rippen (27, 28) aufweisen.
- Wärmeübertrageranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Flachrohre (F) wenigstens eines Rippen/Rohrblockes jeweils wenigstens zwei zueinander parallele Strömungskanäle (FS1, FS2) bilden.
- Wärmeübertrageranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Strömungskästen (34, 35) der wenigstens zwei Wärmeübertrager mit Anschlußstutzen (36, 37) versehen sind, die parallel zueinander und gleichsinnig gekrümmt sind.
- Wärmeübertrageranordnung nach einem der Ansprüche 13 bis 18, dadurch gekennzeichnet, daß zwischen den Rohren (21b, 24b; 21c, 22c, 24c; 30, 31, 32) und/oder den Strömungskästen (2a, 13a; 33, 34, 35) Isolationsspalte (SP1, SP2, SP3, SP4) angeordnet sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04008664A EP1435503B1 (de) | 1997-05-27 | 1998-04-23 | Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722097A DE19722097A1 (de) | 1997-05-27 | 1997-05-27 | Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug |
DE19722097 | 1997-05-27 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04008664A Division EP1435503B1 (de) | 1997-05-27 | 1998-04-23 | Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0881447A2 EP0881447A2 (de) | 1998-12-02 |
EP0881447A3 EP0881447A3 (de) | 1999-06-23 |
EP0881447B1 true EP0881447B1 (de) | 2004-08-18 |
Family
ID=7830602
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04008664A Expired - Lifetime EP1435503B1 (de) | 1997-05-27 | 1998-04-23 | Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug |
EP98107377A Expired - Lifetime EP0881447B1 (de) | 1997-05-27 | 1998-04-23 | Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04008664A Expired - Lifetime EP1435503B1 (de) | 1997-05-27 | 1998-04-23 | Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug |
Country Status (5)
Country | Link |
---|---|
US (1) | US6012512A (de) |
EP (2) | EP1435503B1 (de) |
JP (1) | JPH1114271A (de) |
DE (3) | DE19722097A1 (de) |
ES (1) | ES2226025T3 (de) |
Cited By (1)
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EP1748271A1 (de) | 2005-07-30 | 2007-01-31 | Dr.Ing. h.c.F. Porsche Aktiengesellschaft | Rippen/Rohrblock für einen Wärmeübertrager |
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FR2805121B1 (fr) * | 2000-02-11 | 2002-04-26 | Leroy Somer | Convertisseur modulaire |
DE10016113A1 (de) * | 2000-03-31 | 2001-10-04 | Modine Mfg Co | Kühler für Kraftfahrzeuge und Herstellungsverfahren |
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DE10227929A1 (de) | 2002-06-21 | 2004-01-08 | Behr Gmbh & Co. | Wärmeübertrageranordnung |
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DE10229083A1 (de) | 2002-06-28 | 2004-01-15 | Modine Manufacturing Co., Racine | Wärmetauscher mit einem Diffusor |
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DE10321458A1 (de) * | 2003-05-13 | 2004-12-02 | Behr Gmbh & Co. Kg | Wärmetauschereinheit für Kraftfahrzeuge |
DE10344219A1 (de) | 2003-09-22 | 2005-04-14 | Behr Gmbh & Co. Kg | Wärmeübertragermodul für ein Kraftfahrzeug |
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-
1997
- 1997-05-27 DE DE19722097A patent/DE19722097A1/de not_active Withdrawn
-
1998
- 1998-04-23 ES ES98107377T patent/ES2226025T3/es not_active Expired - Lifetime
- 1998-04-23 DE DE59814344T patent/DE59814344D1/de not_active Expired - Lifetime
- 1998-04-23 DE DE59811818T patent/DE59811818D1/de not_active Expired - Fee Related
- 1998-04-23 EP EP04008664A patent/EP1435503B1/de not_active Expired - Lifetime
- 1998-04-23 EP EP98107377A patent/EP0881447B1/de not_active Expired - Lifetime
- 1998-05-18 JP JP10135577A patent/JPH1114271A/ja active Pending
- 1998-05-27 US US09/085,757 patent/US6012512A/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1748271A1 (de) | 2005-07-30 | 2007-01-31 | Dr.Ing. h.c.F. Porsche Aktiengesellschaft | Rippen/Rohrblock für einen Wärmeübertrager |
Also Published As
Publication number | Publication date |
---|---|
ES2226025T3 (es) | 2005-03-16 |
US6012512A (en) | 2000-01-11 |
DE59811818D1 (de) | 2004-09-23 |
DE19722097A1 (de) | 1998-12-03 |
DE59814344D1 (de) | 2009-03-26 |
EP1435503A3 (de) | 2005-10-26 |
JPH1114271A (ja) | 1999-01-22 |
EP1435503A2 (de) | 2004-07-07 |
EP0881447A3 (de) | 1999-06-23 |
EP0881447A2 (de) | 1998-12-02 |
EP1435503B1 (de) | 2009-02-11 |
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