EP0881447A2 - Echangeur de chaleur et dispositif d'échange de chaleur pour véhicule automobile - Google Patents

Echangeur de chaleur et dispositif d'échange de chaleur pour véhicule automobile Download PDF

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Publication number
EP0881447A2
EP0881447A2 EP98107377A EP98107377A EP0881447A2 EP 0881447 A2 EP0881447 A2 EP 0881447A2 EP 98107377 A EP98107377 A EP 98107377A EP 98107377 A EP98107377 A EP 98107377A EP 0881447 A2 EP0881447 A2 EP 0881447A2
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
tube
wall sections
preamble
flow
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
EP98107377A
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German (de)
English (en)
Other versions
EP0881447B1 (fr
EP0881447A3 (fr
Inventor
Franco Ghiani
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
Priority to EP04008664A priority Critical patent/EP1435503B1/fr
Publication of EP0881447A2 publication Critical patent/EP0881447A2/fr
Publication of EP0881447A3 publication Critical patent/EP0881447A3/fr
Application granted granted Critical
Publication of EP0881447B1 publication Critical patent/EP0881447B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • 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 fins / tube block, the flat tubes on opposite sides with such widened tube ends are provided that transverse, adjacent to each other Wall sections of the pipe ends lie flat against one another and the pipe ends are aligned in a row, with on the pipe ends have a flow box on each side flush with the corresponding longitudinal wall sections the pipe ends is attached, and one Heat exchanger arrangement for a motor vehicle with at least two arranged one behind the other in the flow direction Heat exchangers.
  • the object of the invention is a heat exchanger and a Heat exchanger arrangement of the type mentioned create a reliable production as well as a enable simple and space-saving construction.
  • this task is solved by that the mutually adjacent, transverse wall sections the pipe ends are in a form-fitting manner.
  • pre-assemble the heat exchanger i.e. before soldering the individual components, exact alignment and fixation of the pipe ends to each other to achieve. Tolerances due to a lateral offset individual pipe ends can be avoided.
  • Through the form-fitting Contact of the wall sections results there is also an enlarged contact area, which increases Safety of the soldered connection.
  • the flow boxes are located facing, longitudinal wall sections of the pipe ends form-fitting on corresponding wall areas of the Flow boxes. This will pre-assemble the heat exchanger further improved since the flow boxes - related to their longitudinal direction - exactly positioned on the Pipe ends are placed and in the longitudinal direction through the Form fit can be kept fixed. Also guaranteed the form-fitting system has an enlarged contact surface area, of the tightness and security of the later Solder connection between the flow boxes and the pipe ends further improved.
  • the corners of the Provide flared pipe ends with radii between 0 and 2 mm.
  • the widened pipe ends preferably have a rectangular shape according to those previously described Embodiments additionally with correspondingly deformed wall sections can be provided.
  • the preferred radii ensure that between the adjacent pipe ends too only extremely narrow gaps in the area of the outer sides remain completely through the solder during the soldering process can be filled so that the tight solder connection to each other and especially to the side wall areas the flow boxes is guaranteed.
  • 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 assigned, expanded pipe end results in particular due to the double-walled folding of the Wall of the pipe ends.
  • the transverse wall 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 H 1 2 2T. This preferred dimensioning range enables a secure, tight connection between the tube ends and sufficient stability of the entire fins / tube block.
  • the flat tubes are obliquely relative to the axis of symmetry of the widened pipe ends aligned.
  • This configuration is also a special arrangement of the heat exchanger in a motor vehicle possible, in particular an oblique arrangement of the heat exchanger within an engine compartment of the motor vehicle - on the normal direction of travel of the motor vehicle related - is advantageous.
  • the invention Object achieved in that the at least two heat exchangers a common one on opposite sides Side part is assigned. Through the common side panels becomes a simple and secure connection of the heat exchangers relative to each other and an exact one Positioning achieved relative to each other. Furthermore this results in a simplified assembly and manufacture for the Heat exchanger arrangement with a reduced number of Components.
  • the flow boxes of open at least one heat exchanger in its side areas designed, and the opposite side panels are each with at least one corresponding end section provided in the respective side areas of the Project flow boxes and seal them tightly.
  • the at least two heat exchangers common, covering the entire depth of the fins / tube block extending fins. This will a simplified structure of the heat exchanger arrangement is achieved, because the number of components is reduced and the ribs directly connecting the heat exchangers to each other produce.
  • the flow boxes the at least two heat exchangers with connecting pieces provided that are curved parallel to each other and in the same direction are aligned. This is a streamlined Arrangement of the connecting piece given, which also saves space works.
  • isolation gaps are used for thermal insulation of the adjacent heat exchangers against each other, the Isolation column, the pipes each preferably over their entire Length up to the respective flow boxes from each other separate.
  • this configuration also covers isolation gaps, which are only in sections between the neighboring ones Pipes and / or flow boxes are provided.
  • the isolation column have preferred widths between 1 and 10 mm on.
  • a heat exchanger arrangement 1 for a motor vehicle according to 1 to 5 has a first heat exchanger in the form a water / air cooler, a second heat exchanger Form of an intercooler and a third heat exchanger in the form of a capacitor.
  • the three heat exchangers are parallel to each other across the vehicle longitudinal direction in an engine compartment of the motor vehicle arranged so that they in Direction of flow of the wind at normal driving direction of the motor vehicle are arranged one behind the other.
  • the water / air cooler has an upper one in FIG Flow box serving water box 2 and a lower one Water box 5, with 5 connecting pieces on the lower water box 5 9 and 10 for the connection of the water / air cooler arranged on the corresponding cooling water circuit are.
  • the charge air cooler is behind the water / air cooler arranged, which serves as a flow box upper air box 3 and a corresponding lower Air box 6 has between the two air boxes 3 and 6 analog to the water / air cooler is a not shown Ribs / tube block provided, its structure and its Connection with air boxes 3 and 6 the corresponding structure of the water / air cooler. Behind the charge air cooler 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 and not shown ribs / tube block.
  • Flow box 13, 14 becomes a round hollow chamber profile by two composite half-shells formed, each a half-shell a bottom of the respective flow box 13, 14 represents and with indents for tight connection is provided at the tube ends of the flat tubes. They are on the side Flow boxes 13, 14 each through a cover insert tightly closed.
  • Both the fins / tube block of the charge air cooler and the fins / tube block of the water / air cooler are composed of a large number of parallel flat tubes and corrugated fins arranged between them.
  • the opposite tube ends of the flat tubes are each rectangularly widened, so that the tube ends according to FIG. 1 each lie flat and close to one another with their wall sections running transversely in the longitudinal direction of the flow boxes.
  • the longitudinal wall sections of the widened pipe ends each run in alignment with one another.
  • longitudinal wall areas of the flow boxes are flush and flush against these longitudinal wall sections of the pipe ends, which each form the outer sides of the fins / pipe block.
  • the widened pipe ends thus directly form the Bottoms "of the flow boxes, so that the additional provision of floors in the area of the flow boxes is avoided.
  • the structure of the heat exchangers described corresponds to the design of the pipe ends and the placement of the flow boxes, as described in the unpublished DE 195 43 986.4.
  • the flow boxes of both the intercooler and the Water / air coolers are on their opposite side areas each designed open.
  • the side closure each of these side areas of the flow boxes takes over a closing section 15, 16, 18, 19 of a side part 11, 12, which is integral over the entire depth of the heat exchanger assembly and thus extends over all three heat exchangers.
  • the two side parts 11, 12 delimit the ribs / tube blocks the water / air cooler, the intercooler and the capacitor on opposite sides.
  • the two side parts 11, 12 are used for assembly the heat exchanger arrangement from opposite sides attached to the ribs / pipe blocks and at the same time with their end sections 15, 16, 18, 19 axially - on the Longitudinal direction of the flow boxes - in the flow boxes used by a tensioning device such as tensioning straps or the like becomes the entire heat exchanger arrangement including the side parts 11, 12 in the transverse direction of the Ribs / tube blocks are subjected to pressure and then in one joint soldering process soldered tight.
  • all components of the heat exchanger arrangement 1 made of sheet metal, preferably an aluminum alloy, are manufactured. At least the tight sections to be joined of the individual components of the heat exchanger arrangement are solder-plated accordingly.
  • FIGS. 6 to 8 Another heat exchanger arrangement according to FIGS. 6 to 8 only has two heat exchangers arranged one behind the other on, one of which is a water / air cooler and the other others are designed as a capacitor.
  • the water / air cooler corresponds in structure to that previously shown in FIG. 1 to 5 water / air cooler of the heat exchanger arrangement described in detail 1, so that no further explanation necessary is.
  • the water / air cooler and Capacitors are also two on opposite sides assigned common side parts 12a, which are basically corresponding the side parts 11 and 12, however for only two heat exchangers are designed, designed.
  • Every side part 12a each has only one end section 16a for the respective side area of the water box of the water / air cooler on, which is analogous to the design according to the Fig. 1 to 5 with the help of holding claws 26 in the side areas fixed and then tight with the water boxes are soldered.
  • the compact design of the heat exchanger arrangement as well as the analog design to the heat exchanger arrangement 1 to 5 is otherwise the drawings Fig. 6 to 8 removable, the same for the same components Reference numerals, only with the addition of the letter a were used.
  • FIGS. 6 to 8 are a heat exchanger arrangement 6 to 8 shown in sections, which preferably also consists of a water / air cooler and a capacitor. More essential Difference from the exemplary embodiment according to FIGS. 6 to 8 is that this heat exchanger arrangement has a common Ribs / tube block, in which the flat tubes 21b of the Condenser on the one hand and the flat tubes 24b of the Water / air cooler, on the other hand, are separate from each other common and across the entire depth of the heat exchanger assembly has continuous corrugated ribs 27. The corrugated fins 27 thus have the same width as that also Side parts extending over the entire heat exchanger arrangement 12b.
  • FIG. 10 is analogous to that 9 also with a common heat exchanger arrangement Provide fins / tube block, with corrugated fins 28 extend over the entire depth of the heat exchanger arrangement.
  • there are three again Heat exchanger preferably in the form of a water / air cooler, a charge air cooler and a condenser in which Combined heat exchanger arrangement and through each the entire depth of the heat exchanger arrangement, one-piece side parts 12c analogous to the embodiment 1 to 5 held together.
  • This heat exchanger arrangement are thus the flat tubes 24c of the first heat exchanger, the flat tubes 22c of the second heat exchanger and the flat tubes 21c of the third heat exchanger, respectively arranged at short distances from each other.
  • This Flat tubes 21c, 22c, 24c are, however, by between each this parallel and over the entire width of all flat tubes 21c, 22c, 24c extending corrugated fins 28 connected with each other.
  • the heat exchanger arrangement 29 according to FIG. 11 corresponds to FIG their structure basically the embodiment according to the Fig. 1 to 5 or Fig. 10.
  • a water / air cooler has Flat tubes 30 of a fin / tube block, not shown water boxes directly on the widened pipe ends 35 are attached.
  • the water boxes 35 are identical and symmetrical to each other and each have one Connection piece 37 on, according to the illustration Fig. 11 extend parallel to each other in the same direction.
  • the charge air cooler points in the same way as the water / air cooler designed flat tubes 31 of an associated fins / tube block on the widened pipe ends on opposite An air box 34 is placed on each side.
  • the air boxes 34 on the opposite sides of the Intercooler are identical and symmetrical to each other, where both air boxes each have a manifold have, each above or below the respective Water box 35 so symmetrical to the water / air cooler is curved that the connecting piece 36 used in parallel aligned to the connecting piece 37 of the water / air cooler are.
  • the condenser consisting of flow boxes 33 and a flat tubes 32 having fins / tube block assembled is also symmetrical to a central transverse plane (shown in broken lines) of the heat exchanger arrangement built up.
  • the individual heat exchangers according to FIG. 11 are through common side parts and / or over the entire depth the heat exchanger arrangement 29 extending corrugated fins into one Entire block analogous to the previously described exemplary embodiments firmly connected.
  • all components of the heat exchanger and Heat exchanger arrangement for soldering in a joint Soldering process are made of metal.
  • the heat exchanger arrangements according to FIGS. 8 to 11 have flow boxes (water box 2a and flow box 13a according to FIG. 8 as well as water box 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. Only a narrow insulation gap SP 1 of approximately 1 mm is provided between the water box 2a and the flow box 13a according to FIG. 8, the insulation gap between the water box 35 and the air box 34 is made significantly larger.
  • the insulation gaps are intended to avoid heat transfer between the flow boxes that are differently hot or warm during operation.
  • each isolation column SP 2 and SP 3 provided for the thermal insulation of the adjacent tube blocks are used (Fig. 9, 10).
  • insulation gaps SP 2 , SP 3 are provided between the tubes 31, 32 and 30, 31 in the heat exchanger arrangement according to FIG. 11.
  • All isolation gaps have a width between 1 mm and 10 mm on.
  • a heat exchanger like the one on the water / air cooler as well based on the charge air cooler of the previously described embodiments may have various details, which makes for a heat exchanger with a basically already described the structure below result from the embodiments shown in FIGS. 12 to 27. These details can be either by themselves or in optional Combination of the respective designs of heat exchangers surrender.
  • the widened tube ends of the fins / tube block of a heat exchanger are provided with a rectangular tulip A, as shown in FIG. 20.
  • the width L (FIG. 14) of the longitudinal wall sections of each tulip A is less than the width B 2 (FIG. 14) of the associated flat tubes.
  • the longitudinal wall sections running in the longitudinal direction of the flow boxes have a width B 1 which corresponds to the pitch T of the fins / tube block.
  • the height H 1 of the transverse wall sections of the tulips A which corresponds to the height of the contact surface of these wall sections against one another, is between 0.3 and 2 times the pitch T of the fins / tube block, the selection from this area depending on the respective requirements of the heat exchanger is chosen.
  • each tulip A between the normal flat tube cross section and the respective end of the expanded tube end has an angle of inclination W - based on the area of the transverse wall section of the tulip A - that is between 5 ° and 90 °, but preferably between 25 ° and 65 ° lies.
  • the transition area can be provided 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 tulping on the other.
  • the angle of inclination 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 tulip A which is used for flat soldering of the corresponding wall areas 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 results from the degree of the tulip A relative to the flat tube F.
  • the degree of the tulip is defined, among other things, from the ratio of the circumferences of the tulip A on the one hand and the associated flat tube F on the other.
  • the extent of the tulip A is dimensioned such that it corresponds to the extent 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 (FIG. 16), which are between 0 and 2 mm.
  • the outer radius R a is dimensioned so that only very narrow joints remain between the adjacent tube ends and the side walls of the flow boxes, which are completely and tightly filled in the soldering furnace by the flowing solder.
  • the tube ends of the flat tubes F of the fins / tube block are widened asymmetrically, which results in offset tulips A S to a central longitudinal plane of each flat tube F.
  • the adjacent tulips A S are put together according to FIG. 13 in order to achieve the mutual tight connection.
  • the flat tubes either form a single, continuous flow channel according to the flat tube F 1 according to FIG. 19, or are provided with two separate flow channels (F S1 , F S2 ) according to the embodiment according to FIGS. 14 to 18, the flat tube shown F is designed by corresponding longitudinal beads 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 to 27 various exemplary embodiments are shown, which the further improve bottomless heat exchangers in which flow boxes are placed directly on the widened pipe ends of the fins / pipe block.
  • a corresponding shaping of the transverse wall sections of the widened pipe ends A 1 , A 2 , A 3 and A 6. is achieved.
  • the wall sections are each curved in a corresponding arc.
  • the wall sections are also undulating, the waveform extending up to the transverse wall tion sections extends and does not merge into straight-line webs, as is the case with the embodiment according to FIG. 22.
  • the transverse wall sections of the widened pipe ends A 4 and A 5 are unchanged in a straight and flat design compared to the exemplary embodiment according to FIG. 20.
  • the longitudinal wall sections are widened outward in a V-shape.
  • the corresponding wall areas S 1 of the attached flow box are designed zigzag, so that there is a positive connection in the longitudinal direction of the flow box between the widened pipe ends A 4 and the wall areas of the respective flow box 1.
  • a wave-shaped widening of the longitudinal wall sections of the widened pipe ends A 5 is provided.
  • the corresponding wall areas of the flow box S 2 are similarly curved in a wave shape, which in the same way results in a positive connection between the flow box S 2 and the pipe ends A 5 , as in the embodiment according to FIG. 24.
  • the tulips A of the flat tubes F 2 are oblique, preferably approximately diagonally, offset from the central longitudinal planes of the flat tubes F 2 , which results in the parallel and oblique alignment of the flat tubes F 2 shown in the flush arrangement of the tube ends.

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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)
  • Sorption Type Refrigeration Machines (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP98107377A 1997-05-27 1998-04-23 Echangeur de chaleur et dispositif d'échange de chaleur pour véhicule automobile Expired - Lifetime EP0881447B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04008664A EP1435503B1 (fr) 1997-05-27 1998-04-23 Echangeur de chaleur et ensemble échangeur de chaleur pour véhicules automobiles

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 (fr) 1997-05-27 1998-04-23 Echangeur de chaleur et ensemble échangeur de chaleur pour véhicules automobiles

Publications (3)

Publication Number Publication Date
EP0881447A2 true EP0881447A2 (fr) 1998-12-02
EP0881447A3 EP0881447A3 (fr) 1999-06-23
EP0881447B1 EP0881447B1 (fr) 2004-08-18

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EP98107377A Expired - Lifetime EP0881447B1 (fr) 1997-05-27 1998-04-23 Echangeur de chaleur et dispositif d'échange de chaleur pour véhicule automobile
EP04008664A Expired - Lifetime EP1435503B1 (fr) 1997-05-27 1998-04-23 Echangeur de chaleur et ensemble échangeur de chaleur pour véhicules automobiles

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04008664A Expired - Lifetime EP1435503B1 (fr) 1997-05-27 1998-04-23 Echangeur de chaleur et ensemble échangeur de chaleur pour véhicules automobiles

Country Status (5)

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US (1) US6012512A (fr)
EP (2) EP0881447B1 (fr)
JP (1) JPH1114271A (fr)
DE (3) DE19722097A1 (fr)
ES (1) ES2226025T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1050732A1 (fr) * 1999-05-07 2000-11-08 Behr Industrietechnik GmbH & Co. Echangeur de chaleur, notamment pour véhicule ferroviaire
FR2800451A1 (fr) * 1999-10-27 2001-05-04 Valeo Thermique Moteur Sa Echangeur de chaleur a encombrement reduit et equipement d'un vehicule automobile comportant un tel echangeur de chaleur
EP1748271A1 (fr) * 2005-07-30 2007-01-31 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Tubes et ailettes pour bloc d'échange de chaleur
DE19961199B4 (de) * 1999-12-18 2007-10-04 Modine Manufacturing Co., Racine Wärmeübertrageranordnung

Families Citing this family (35)

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Publication number Priority date Publication date Assignee Title
US6390192B2 (en) * 1998-03-31 2002-05-21 Well, Well, Well, Inc. Integral well filter and screen and method for making and using same
DE19846267A1 (de) * 1998-10-08 2000-04-13 Behr Gmbh & Co Sammelrohreinheit für einen Wärmeübertrager
DE19858325B4 (de) * 1998-12-17 2009-01-15 Behr Gmbh & Co. Kg Wärmeübertrageranordnung für ein Kraftfahrzeug
JP4379967B2 (ja) * 1999-03-30 2009-12-09 株式会社デンソー 複式熱交換器
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JPH1114271A (ja) 1999-01-22
EP0881447B1 (fr) 2004-08-18
DE19722097A1 (de) 1998-12-03
EP0881447A3 (fr) 1999-06-23
US6012512A (en) 2000-01-11
EP1435503A2 (fr) 2004-07-07
DE59814344D1 (de) 2009-03-26
ES2226025T3 (es) 2005-03-16
EP1435503B1 (fr) 2009-02-11
EP1435503A3 (fr) 2005-10-26
DE59811818D1 (de) 2004-09-23

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