EP1926961B1 - Echangeur thermique, en particulier refroidisseur a gaz - Google Patents

Echangeur thermique, en particulier refroidisseur a gaz Download PDF

Info

Publication number
EP1926961B1
EP1926961B1 EP06791767A EP06791767A EP1926961B1 EP 1926961 B1 EP1926961 B1 EP 1926961B1 EP 06791767 A EP06791767 A EP 06791767A EP 06791767 A EP06791767 A EP 06791767A EP 1926961 B1 EP1926961 B1 EP 1926961B1
Authority
EP
European Patent Office
Prior art keywords
connection
heat exchanger
fluid
exchanger according
molded
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.)
Not-in-force
Application number
EP06791767A
Other languages
German (de)
English (en)
Other versions
EP1926961A1 (fr
Inventor
Uwe FÖRSTER
Thomas Himmer
Kurt Molt
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 EP1926961A1 publication Critical patent/EP1926961A1/fr
Application granted granted Critical
Publication of EP1926961B1 publication Critical patent/EP1926961B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F28F9/0251—Massive connectors, e.g. blocks; Plate-like connectors
    • 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
    • F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • 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
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • 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

Definitions

  • the invention relates to a heat exchanger, in particular a gas cooler, as used for example for the air conditioning of a motor vehicle, according to the preamble of claim 1.
  • a device for the exchange of heat is known, as used for example for air conditioning systems of motor vehicles.
  • This device has at least one collecting and / or distributing device and at least one throughflow device, preferably a plurality of throughflow devices, wherein the collecting and / or distributing device has at least two flow paths and by at least two molded parts and possibly also at least one or two limiting elements, like partitions, has.
  • the shaped parts form the flow paths for a liquid and / or gaseous fluid, for example a refrigerant.
  • the moldings touch each other in at least three sections, in particular in continuous areas, flat.
  • the moldings have recesses for the at least partially receiving the flow devices, in particular formed by flat tubes on.
  • the flow paths formed by the moldings preferably have a shape that in Is substantially circular, drip, polygonal, elliptical or has hybrids thereof.
  • Such a heat exchanger still leaves something to be desired, in particular with regard to the inlet and outlet of the medium flowing therein, in particular of a refrigerant.
  • the EP 1 439 367 A1 shows a heat exchanger with two manifolds, which consist of a bottom and a lid, wherein the cover has a flange is attached.
  • the lid has a U-shaped configuration, the cross-section being constant over substantially the entire header length.
  • the connection flange has a contact surface corresponding to the cover, with which it is soldered to the cover.
  • a collar is provided, which adjoins a paragraph on a projecting into the manifold spigot, and rests on the manifold outside, wherein the two contact surfaces are formed separately.
  • connection surface is simply curved with a constant radius in the longitudinal direction of the heat exchanger.
  • a generic heat exchanger with the features of the preamble of claim 1 is known from DE 199 06 289 A1 known.
  • a heat exchanger in particular a gas cooler, comprising at least one collecting and / or distribution device and at least one flow device, preferably a plurality of flow devices, in particular formed by flat tubes, wherein the collecting and / or distribution device preferably at least two flow paths for a fluid and preferably is formed by at least two mold parts, wherein in at least one of the mold parts at least one inlet or outlet opening provided for the fluid and the mold part with the inlet or outlet opening for the fluid at least one connection is attached, the surface on the outside of the Molded part fits snugly, in particular soldered, wherein the shape of the contact surface of the terminal is adapted to the shape of the outside of the molded part, which is at least partially curved in the region of the contact surface.
  • the two flow paths can be in any way (in regions) in communication with each other and / or formed separately from each other. Due to the special shapes, which are matched to each other, the connection can be positioned exactly - possibly even without positioning aids.
  • a prefixing can also take place by means of one or more riveted joints, for which purpose the connection and the molding must be formed adjacent one another, at least in regions, so that one pressure-tight connection can be realized. If a seal is provided, one or more rivet connections can, in principle, also be sufficient on their own, so that a subsequent soldering process can be dispensed with.
  • the flow devices are preferably arranged in one or two planes, but they may also be arranged in more than two planes. Furthermore, in addition to more than two flow paths, more than two flow paths can be arranged next to one another and / or a plurality of flow paths can be arranged one behind the other.
  • a molded part forms a bottom, in which passage openings for the flow device (s) are provided, and the other molded part a lid, in which the at least one inlet or outlet opening is provided for the fluid.
  • a double curvature of the abutment surface is provided at the terminal, with one axis of curvature in the direction of the longitudinal extent of the mold parts and the other axis of curvature in the width direction of the flow devices, i. in the direction of the width of the flat tubes, runs.
  • the cross section of the molding with the inlet or outlet opening for the fluid is in this case preferably in the longitudinal direction of the molding at least in the region of the contact surface of the terminal, but preferably over a substantial portion of the molding, apart from the recess for the inlet or outlet opening for the fluid and possibly formed in the molding channels for the flow of the devices supplied or coming from the same fluid or the transfer of the fluid from a flow path to an adjacent flow path, constant.
  • At least the molded part which has the inlet or outlet opening for the fluid, but preferably both mold parts, is formed over a substantial part of its longitudinal extension in a w or omega-shaped cross-section.
  • the cross section preferably changes over the length of the molded part in the intermediate region.
  • connection is preferably soldered.
  • elements such as, in particular, projections, tabs or the like, may be provided on at least one of the molded parts for prefixing the components to each other before soldering.
  • connection can engage behind at least one of the molded parts, but in particular both molded parts, in particular laterally, so that the connection can additionally serve for prefixing before soldering.
  • a web is preferably provided, formed by the bottom and the cover, in which the shaped parts abut one another over a wide area.
  • At least one limiting element which deflects the fluid is preferably soldered in one operation with the entire heat exchanger.
  • connection can be designed such that the same component can be provided for the inlet and the discharge of the fluid, so that the number of parts can be reduced and construction errors can be avoided.
  • the heat exchanger is preferably made of aluminum, an aluminum alloy, iron, an iron alloy, copper or a copper alloy, wherein the heat exchanger is preferably soldered.
  • connection to an outer surface of the collecting and / or distribution device is adapted or designed accordingly, the connection is positioned on the outer surface, prefixed and then soldered.
  • the connection is adapted in the region of the contact surface to the outer surface of the collecting and / or distribution device , It is also possible, in particular to manufacture the connection by means of an extrusion process with subsequent post-processing steps.
  • connection on the molded part takes place by means of at least one projection, which is provided on one of the molded parts.
  • connection to an outer surface of the collecting and / or distribution device is adapted or designed accordingly, the connection is positioned on the outer surface and prefixed and then soldered.
  • a single-row heat exchanger in this case a gas cooler 1, in which a refrigerant flows, in the present case R744, has a plurality of flat tubes 2 arranged side by side in a row with corrugated fins 3 arranged therebetween.
  • the flat tubes 2, in this case formed by Mehrschflachrohre are introduced with their ends in receptacles which are provided in each one end of the flat tubes 2 arranged collecting and / or distribution device 4 and adapted in shape to the outer contour of the flat tubes 2.
  • the collecting and / or distributing device 4 is formed by two molded parts 5 produced by punching and forming from a metal sheet, wherein the first molded part has a base 6 in which the receptacles for the flat tubes 2 are provided, and the second molded part has a cover 7 forms, in each of which an opening 8 is provided for the inlet and the outlet of the refrigerant.
  • the bottom 6 in this case surrounds the lid 7 side. Due to the design of the lid 7 with crossing areas 15 or channels, formed by corresponding transformations of the lid 7 (see Fig. 5 ), in the region of the flat tube ends an undisturbed inflow and outflow of the refrigerant in both by the collecting and / or distribution device 4 formed flow paths and possibly also a flow compensation between the two flow paths is possible.
  • At least one partition wall (not shown) is additionally provided, so that the refrigerant is conducted through the gas cooler 1 in a known manner. If only one partition wall is provided, then only a diversion of the refrigerant flow, i. Flat tubes 2 of the one part of the gas cooler 1 are flowed through in one direction and the flat tubes 2 of the other part of the gas cooler 1 are flowed through in the opposite direction. However, any other flow paths are possible. Likewise, the gas cooler can be formed in several rows in depth.
  • the bottom 6 and the cover 7 are in three areas in a flat, namely in the middle and along the edges, so that two flow paths are formed for the refrigerant, which extend in the longitudinal direction of the moldings 5. In the area of the crossing areas 15, of course, there is no contact between the floor 6 and the cover 7.
  • a plurality of projections 9 or tabs are each formed in pairs at the same height, which is a prefixing allow the bottom 6 relative to the lid 7 during pre-assembly before soldering. It is also conceivable that the projections 9 protrude through slots which are provided in the lid 7, and engage around the edge region of the lid 7 in extension of the slots.
  • connection 10 with a passage opening 11 is provided on the outside of the lid 7, which is aligned with the corresponding opening 8 of the lid 7.
  • the terminal 10 is provided as a kind of flange for reinforcement and / or receiving a connection pipe.
  • connection pipe 12 preferably has an outer diameter which essentially corresponds to the larger inner diameter of the connection 10, and an inner diameter which substantially corresponds to the smaller inner diameter of the connection 10.
  • the terminal 10 is formed laterally in the direction of the longitudinal extent of the mold parts 5 perpendicular and bevelled on the other sides (see. Figures 5 and 7 ).
  • On the outside that is, the side spaced from the gas cooler 1 side, it ends in a plane - apart from the passage opening 11.
  • On the inside ie the voltage applied to the gas cooler 1 side, he has transversely to the longitudinal extension of the mold parts 5 one of the contour of the lid. 7 corresponding course (see Fig. 7 ), for which he has two curved and an interposed flat surface.
  • the terminal 10 is arranged centrally above the end of a first flat tube 2 according to the first embodiment (see Fig. 5 ), wherein it ends in the direction of the longitudinal extent of the mold parts 5 in each case in front of the ribs of the lid 7, which are provided on the basis of the channels for the two adjacent to the first flat tube 2 arranged flat tubes 2 in or out flowing refrigerant.
  • the pressure loss can be kept low.
  • the cover 7 is placed on the bottom 6 and the terminals 10 on the lid 7 after positioning the partition wall in the bottom 6 and then bent over the projections 6 formed on the bottom 6, so that the individual components are prefixed. Thereafter, the flat tubes 2 together with corrugated fins 3 are positioned between the two collection and / or distribution devices 4. Furthermore, the connection tubes 12 are still positioned in the terminals 10. With the provision of a slight interference fit, which prevents falling out, but does not hinder the assembly, no further pre-fixing is required. All parts are solder-plated at least in the connection areas, so that after the pre-assembly and the pre-fixing in one operation, the gas cooler 1 can be soldered.
  • connection 10 is produced according to the present exemplary embodiment by means of machining, but production as an extrusion part is also possible.
  • a sealing element or a sealing geometry can also be integrated into the connection.
  • a device for fixing the connecting pipe can be provided at the connection, for example with a thread and / or threaded bores.
  • one or more holes may be provided for receiving centering pins in the connection.
  • connection extends over a plurality of flat tube widths, so that - in particular with a small tube width and fin height - a sufficient contact and soldering surface is available in order to ensure a secure soldered connection.
  • several passages may be provided in this case.
  • any desired geometries of the passage opening (s) in the connection as well as corresponding openings in the cover of the collection and / or distribution device are possible.
  • FIGS. 9 to 11 is a variant not according to the invention shown, according to which no projections are provided. Accordingly missing at the connection, the recesses for the projections. In this case, the prefixing of the individual elements vor.dem soldering done in any other way, eg. By means of steel bands or fixtures.
  • FIGS. 12 to 15 show a further variant of a single-row gas cooler 1, wherein in the following due to the similarity to the first embodiment, the same components are provided with the same reference numerals.
  • two mold parts 5 are formed from the bottom 6 and as a lid 7, wherein a prefixing takes place after mounting by means of projections 9 formed laterally on the bottom 6.
  • the terminal 10 ' is significantly wider and engages behind the bottom 6, as in particular Fig. 15 is apparent.
  • the configuration of the terminal 10 'in the direction of the longitudinal extent of the moldings 5 corresponds to that of the terminal 10 according to the first embodiment, ie, the side walls arranged perpendicular to the direction of the longitudinal extent of the moldings 5 are parallel to each other.
  • the geometries of the contact surfaces correspond to each other, wherein according to the second embodiment, the engaging ends 13 of the terminal 10 'after placing and positioning of the terminal 10' on the lid 7, which is pre-fixed to the bottom 6, were bent.
  • Fig. 16 shows an embodiment, according to which again in the following due to the similarity to the first embodiment, the same components are provided with the same reference numerals.
  • connection 10 at diagonally opposite corners holes are provided through which rivets 14 protrude, so that the terminal 10" with the lid 7, in which corresponding holes are provided, which with the holes in the connection
  • the bottom 6 and the lid 7 are in turn pre-fixed by means of the projections 9.
  • the bores for the rivets are located on the Symmetry axis or in the region of the central Verlöturigs simulation of bottom 6 and cover. 7
  • a single-row gas cooler is provided in each case, in which the flat tubes are arranged transversely to the longitudinal extent of the collecting and / or distribution devices in the direction of their width, wherein an exchange of refrigerant between the two parallel flow paths of a collection and / or or distribution facility.
  • the number of parallel flow paths formed in the collection and / or distribution device may also be greater than two.
  • the connection can also extend only over a part of the width of the lid, in particular in the central area.
  • connection may be formed such that the refrigerant is distributed to a plurality of openings, in particular arranged at a height with respect to the direction of the longitudinal extension of the molded parts, in the lid or is brought together by a plurality of openings.
  • a groove on the side of the cover may be provided in the connection, which merges into a bore on the other side, in turn, a stepped bore may be provided to a defined stop to form for the connection pipe.
  • the flow paths can also be formed completely separate from each other, as will be explained in more detail below with reference to further embodiments.
  • no channels are usually provided between the adjacent flow paths, so that the cover may have a longitudinal cross-section which is substantially continuous in the longitudinal direction, as a result of which the shape of the connection socket is generally simplified.
  • a double-row gas cooler 101 has two collection and / or distribution devices 104, essentially formed by two mold parts 105, namely a bottom 106 and a cover 107, which form between them two separately formed flow paths, with two rows of between each two of the flow paths extending flat tubes 102 and arranged between the flat tubes 102 corrugated fins 103.
  • the flat tubes 102 are rotated in their end regions by 90 °, so that the ends in the direction of the longitudinal extension of the collection and / or distribution devices 104 are received in corresponding openings in the bottoms 106 of the collection and / or distribution devices 104 (see Figures 21 and 23 ), while in the heat transfer region between the corrugated fins 103 shows the narrow side of the flat tubes 102 in the direction of air flow.
  • the opening for the introduction is arranged in a different flow path than the opening for the discharge.
  • the opening for the introduction in the air flow direction seen rear flow path, and the opening for the discharge in the air flow direction seen front flow path is arranged, wherein the two openings are offset (see Fig. 17 ).
  • a connection is in surface contact with the outside of the lid 107 110, which extends from one side of the lid 107 to slightly beyond the center of the lid 107 and has a corresponding opening with the corresponding opening 111, which is formed according to the first embodiment described above as a stepped bore to a stop for a connection pipe to build. Due to the staggered arrangement of the terminal 110, the passage opening 111 is not aligned directly with the opening in the lid 107, but is slightly offset towards the center, wherein the passage opening 111 is formed like a blind hole with a laterally offset opening to the opening in the lid 107 out (see Fig. 23 ).
  • the middle region of the molded parts 105 is web-like with a relatively wide contact surface, wherein a plurality of elongated holes 120 are aligned with each other in both mold parts 105 and extending in the direction of the longitudinal extension of the molded parts 105 (see Fig. 20 ).
  • both terminals 110 are formed such that a projection 121 projects through each of the slots 120 (see Fig. 23 ), so that the terminal 110 is soldered to both mold parts 105.
  • the slots 120 may be slightly wider than the thickness of the projection 121, so that a bracing example. Can be done by caulking, crimping, etc. It is also conceivable that the elongated holes 120 are made slightly narrower than the thickness of the projection 121, so that when inserting the projection into the elongated holes 120 forcibly a bracing takes place.
  • the contact surface of the terminal and lid has - in accordance with the contact surfaces of the first embodiments - a partially curved and partially planar course, however, due to the constant in the direction of the longitudinal extent of the mold parts 105 cross-section only a simple curvature and no double curvature, as in the first embodiments, the contact surfaces provided so that the production of the terminal forming member somewhat simplified becomes. Especially in this context, the use of extrusion process is to think.
  • projections 109 are provided on the bottom 106, which surround the cover 107 and partially also the connection 110 on the outside (see Fig. 23 ) so that they form a prefix. In this case, only one projection 109 is provided for a connection 110.
  • the same component can be used on both sides, but also different embodiments of the two ports are possible, especially if the refrigerant supply and discharge lines have different diameters.
  • connection 110 ' which extends over the entire width of the lid 107, but has a laterally staggered passage opening in extension of the connecting pipe 112.
  • no projection on the connection 110 ' is provided, which projects through the central region of the base and lid provided with elongated holes 120, but a projection corresponding to the previous variant can additionally be provided.
  • FIGS. 25 and 26 a projecting through a slot 120 Projection 121 provided, but again no projections for the prefixing of the bottom, lid and possibly connections are provided.
  • rivet connections are provided for the prefixing.
  • a rivet 114 projects through a bore aligned in the middle region of the molded parts 105 and in the region of the connection 110 "aligned therewith.
  • the two mold parts engages behind, wherein additionally centrally projecting through the slots projection can be provided.
  • connection is designed to extend over substantially the entire width of the cover, wherein one or more rivets are provided in the middle web-like region, which connect the bottom, the cover and the connection to one another.
  • FIGS. 28 and 29 another variant is shown.
  • cover 207 molding
  • a passage 222 the opening of which forms the inlet or outlet channel for the refrigerant, is provided, whose outwardly projecting edges are pulled into the terminal 210, whereby the two parts, so the lid and the terminal with each other get connected.
  • the wall thickness in the region of the passage 222 is less than in the remaining region of the cover 207, so that a lower obstruction of the inlet and outlet channel is effected and thereby the refrigerant side pressure loss is reduced in the heat exchanger.
  • the terminal 210 is flat on the outside of the lid 207th at, wherein the shape of the contact surface of the terminal 210 is adapted to the shape of the outside of the lid 207, which is at least partially curved in the region of the contact surface to the terminal 210.
  • the terminal 210 can be held by means of tabs (not shown). Also, solder or adhesive can assist the connection or form the actual fixation of the two parts together.
  • the passage 222 is not formed circumferentially but segmented, ie individual strips, in the present four, are drawn into the interior of the terminal 210, as in particular from Fig. 32 seen.
  • positioning increases 223 are additionally formed on the cover 207, which position the connection 210 in the presently four regions.
  • the elevations are formed by rib-like, outwardly projecting areas in extension of the transverse channels of the collecting and / or distribution device, on which the terminal 210 rests flat above or below.
  • a sleeve 222 ' is provided, which essentially fulfills the same function as the passage 222 and projects into the cover 207 to the bottom, but does not affect the transverse flow.
  • the sleeve 222 ' projects only approximately half the height of the connection 210, comparable to the continuous or segmented passage of the previously described variants.
  • the pre-fixing sleeve 222 ' is soldered together with the cover 207 and the terminal 210, for which it is prepared accordingly so that they are in finished soldered state of the heat exchanger additionally stiffens the junction lid connection.
  • the pre-fixation of the terminal 210 on the lid 207 by gluing ie, a suitable adhesive is between the terminal 210 and the cover 207, possibly also only in one or more small sub-areas, introduced, which provides sufficient pre-fixing.
  • the adhesive evaporates or hardens on - depending on the adhesive used - and the connection is securely fixed to the lid.
  • relatively large contact surfaces between the terminal and cover are provided, since the shape of the contact surface of the terminal 210 is adapted to the shape of the outside of the lid 207, which is formed at least partially curved in the region of the contact surface to the terminal 210.
  • connection and cover positively lock together, so that in the context of (further) assembly and in the soldering oven slipping of the components to each other.
  • the contact surfaces of the terminals are formed according to the outer contours of the lid and possibly the bottom, so that no further processing of the moldings takes place. Due to the shape of the mold parts, the contact surfaces in the case of the variants described with reference to single-row gas cooler double-curved, in this case by two different, skewed axes, the curvature does not necessarily have to be cylindrical, while the contact surfaces in the case of the reference on the double row Gas cooler described variants are simply curved. In addition to the curvatures are also flat surfaces, possibly also edges, in particular between curved and flat surfaces, provided.

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)

Claims (11)

  1. Echangeur de chaleur, en particulier refroidisseur de gaz, présentant au moins un dispositif collecteur et/ou répartiteur (4; 104) et au moins un dispositif d'écoulement, où le dispositif collecteur et/ou répartiteur (4; 104) présente de préférence au moins deux trajets d'écoulement pour un fluide et est formé, de préférence, par au moins deux pièces de forme (5; 105) où, dans au moins l'une des pièces de forme (5; 105), il est prévu au moins une ouverture d'entrée ou de sortie (8; 108) pour le fluide, et un raccordement (10; 110) est fixé sur la pièce de forme (5; 105), raccordement qui est en appui à plat, de façon étanche, sur le côté extérieur de la pièce de forme (5; 105), où la forme de la surface d'appui du raccordement (10; 110) est adaptée à la forme du côté extérieur de la pièce de forme (5; 105), lequel côté extérieur, dans la zone de la surface d'appui sur le raccordement (10; 110), présente au moins partiellement une double courbure, où une pièce de forme (5; 105) forme un fond (6; 106) dans lequel il est prévu des ouvertures de passage pour le ou les dispositif(s) d'écoulement, l'autre pièce de forme (5; 105) formant un couvercle (7; 107) dans lequel il est prévu l'ouverture d'entrée ou de sortie (8; 108), au moins au nombre de un, pour le fluide,
    caractérisé en ce qu'il est prévu, sur l'une des pièces de forme (5; 105), au moins une partie saillante (9; 109) qui entoure l'autre pièce de forme (5; 105) au niveau de sa zone de bordure, et les deux pièces de forme (5; 105) sont préfixées l'une contre l'autre, et la partie saillante (9; 109) entoure également une zone du raccordement (10; 110) et préfixe le raccordement (10; 110) sur au moins l'une des pièces de forme (5; 105).
  2. Echangeur de chaleur selon la revendication 1, caractérisé en ce que la section de la pièce de forme (105) comprenant l'ouverture d'entrée ou de sortie (108) pour le fluide est, dans le sens longitudinal de la pièce de forme (105), constante au moins dans la zone de la surface d'appui du raccordement (110), indépendamment de l'évidement pour l'ouverture d'entrée ou de sortie (108) pour le fluide et, le cas échéant, indépendamment de canaux configurés dans la pièce de forme (105) pour le fluide fourni aux dispositifs d'écoulement ou provenant de ces mêmes dispositifs d'écoulement.
  3. Echangeur de chaleur selon la revendication 2, caractérisé en ce qu'au moins la pièce de forme (105) présentant l'ouverture d'entrée ou de sortie (108) pour le fluide présente, sur une partie importante de son étendue longitudinale, une section en forme de w ou de ω.
  4. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le raccordement (10; 110) est fixé par brasage.
  5. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le raccordement (10') d'au moins l'une des pièces de forme (5) s'engage en particulier latéralement, par l'arrière, ou bien au moins l'une des pièces de forme pénètre dans le raccordement (10, 110).
  6. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu, entre deux trajets d'écoulement adjacents du dispositif collecteur et/ou répartiteur (104) pour un fluide, une partie pleine formée par le fond (106) et par le couvercle (107), partie pleine dans laquelle les pièces de forme (105) sont en appui l'une contre l'autre sur une large surface, où il est prévu, dans la partie pleine, au moins une ouverture (120) dans laquelle ou à travers laquelle s'engage au moins une partie saillante (121) du raccordement (110).
  7. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le raccordement (10"; 110") est fixé par rivetage.
  8. Echangeur de chaleur selon la revendication 7, caractérisé en ce qu'il est prévu, dans le raccordement (10"; 110"), au moins un perçage pour un rivet (14; 114), perçage qui est aligné avec au moins un perçage réalisé dans le dispositif collecteur et/ou répartiteur (104).
  9. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le raccordement (110"), dans la zone d'une partie pleine qui est configurée entre deux trajets d'écoulement adjacents du dispositif collecteur et/ou répartiteur (104), est fixé par rivetage au moyen au moins d'un rivet (114).
  10. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un élément de limitation est disposé dans le dispositif collecteur et/ou répartiteur (4; 104).
  11. Echangeur de chaleur selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif d'écoulement est formé par un tube, en particulier par un tube plat (2; 102).
EP06791767A 2005-09-08 2006-08-31 Echangeur thermique, en particulier refroidisseur a gaz Not-in-force EP1926961B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005042874 2005-09-08
PCT/EP2006/008529 WO2007028542A1 (fr) 2005-09-08 2006-08-31 Echangeur thermique, en particulier refroidisseur a gaz

Publications (2)

Publication Number Publication Date
EP1926961A1 EP1926961A1 (fr) 2008-06-04
EP1926961B1 true EP1926961B1 (fr) 2013-01-02

Family

ID=37488447

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06791767A Not-in-force EP1926961B1 (fr) 2005-09-08 2006-08-31 Echangeur thermique, en particulier refroidisseur a gaz

Country Status (2)

Country Link
EP (1) EP1926961B1 (fr)
WO (1) WO2007028542A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10674630B2 (en) 2013-10-04 2020-06-02 Abb Technology Ag Heat exchange device based on a pulsating heat pipe

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009038297A1 (de) * 2009-08-21 2011-03-03 Behr Gmbh & Co. Kg Wärmeübertrager
FR2962206B1 (fr) * 2010-06-30 2014-12-19 Valeo Systemes Thermiques Collecteur pour echangeur de chaleur et echangeur de chaleur equipe d'un tel collecteur
US9816766B2 (en) * 2015-05-06 2017-11-14 Hamilton Sundstrand Corporation Two piece manifold

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2791766A1 (fr) * 1999-03-29 2000-10-06 Valeo Thermique Moteur Sa Equipement encliquetable pour un echangeur de chaleur brase, notamment de vehicule automobile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639899A (en) * 1948-06-18 1953-05-26 Young Radiator Co Automobile radiator
FR2673275B1 (fr) * 1991-02-26 1994-01-07 Valeo Thermique Moteur Dispositif de raccordement d'un echangeur de chaleur, du type a serpentin, a une tubulure de circulation de fluide.
US6216776B1 (en) * 1998-02-16 2001-04-17 Denso Corporation Heat exchanger
KR20010043366A (ko) * 1998-05-05 2001-05-25 앨린 앤더슨 납땜 성능이 개선된 열교환기 매니폴드 블록
FR2807153B1 (fr) * 2000-04-03 2003-09-19 Ebea S A Procedure de fabrication des moyens de connexion d'un echangeur thermique, bloc de raccordement et tube collecteur associes
DE102004037688A1 (de) * 2003-08-05 2005-05-25 Behr Gmbh & Co. Kg Vorrichtung zum Austausch von Wärme
JP4533040B2 (ja) * 2004-08-24 2010-08-25 カルソニックカンセイ株式会社 熱交換器のヘッダタンクと冷媒流通配管との接続構造

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2791766A1 (fr) * 1999-03-29 2000-10-06 Valeo Thermique Moteur Sa Equipement encliquetable pour un echangeur de chaleur brase, notamment de vehicule automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10674630B2 (en) 2013-10-04 2020-06-02 Abb Technology Ag Heat exchange device based on a pulsating heat pipe

Also Published As

Publication number Publication date
EP1926961A1 (fr) 2008-06-04
WO2007028542A1 (fr) 2007-03-15

Similar Documents

Publication Publication Date Title
EP2150757B1 (fr) Échangeur de chaleur
DE10056074B4 (de) Wärmeübertrager
EP0666461B2 (fr) Raccord de tuyaux pour une boíte à eau d'un échangeur de chaleur pour véhicule automobile
EP1333219A1 (fr) Raccord à action rapide
WO2004088234A2 (fr) Echangeur de chaleur
EP0566899B1 (fr) Echangeur de chaleur, notamment évaporateur
EP1846718A1 (fr) Echangeur thermique
DE19722098B4 (de) Wärmeübertrager für ein Kraftfahrzeug
DE102015104180B4 (de) Vorrichtung für einen Wärmeübertrager zum Sammeln und Verteilen eines Wärmeträgerfluids
DE102006040848A1 (de) Wärmeübertrager, insbesondere Gaskühler
EP1376043B1 (fr) Echangeur de chaleur avec diffuseur
DE60208469T2 (de) Endkammer für Wärmetauscher und deren Herstellung
WO2000022365A2 (fr) Unite tuyau collecteur pour un echangeur de chaleur
EP1926961B1 (fr) Echangeur thermique, en particulier refroidisseur a gaz
DE19719256A1 (de) Mehrflutiger Flachrohrwärmetauscher für Kraftfahrzeuge mit Umlenkboden sowie Herstellungsverfahren
WO2004065883A1 (fr) Echangeur thermique pourvu d'une bride de raccordement reliee au tuyau collecteur
EP1771697B1 (fr) Echangeur thermique, boite destinee a recevoir un fluide pour un echangeur thermique, et procede de production de cette boite
DE4330214A1 (de) Wärmetauscher
EP2167895B1 (fr) Échangeur de chaleur
EP2994712B1 (fr) Échangeur de chaleur
EP1668304B1 (fr) Unite d'echange thermique pour vehicules automobiles
EP1835253B1 (fr) Échangeur de chaleur, en particulier condenseur pour systèmes de climatisation des automobiles
EP1229295B1 (fr) Bloc d'échangeur de chaleur avec plusieurs chambres collectrices munies de fentes
DE10132485A1 (de) Sammelkasten für einen Wärmetauscher und Verfahren zu dessen Herstellung
EP1682831B1 (fr) Echangeur thermique

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20080408

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20080617

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

DAX Request for extension of the european patent (deleted)
GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 591843

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130115

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502006012389

Country of ref document: DE

Effective date: 20130228

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20130102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130502

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130402

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130413

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130403

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130502

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20131003

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502006012389

Country of ref document: DE

Effective date: 20131003

BERE Be: lapsed

Owner name: BEHR G.M.B.H. & CO. KG

Effective date: 20130831

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130831

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130831

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130831

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130831

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 591843

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130831

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502006012389

Country of ref document: DE

Representative=s name: GRAUEL, ANDREAS, DIPL.-PHYS. DR. RER. NAT., DE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 502006012389

Country of ref document: DE

Owner name: MAHLE INTERNATIONAL GMBH, DE

Free format text: FORMER OWNER: BEHR GMBH & CO. KG, 70469 STUTTGART, DE

Effective date: 20150319

Ref country code: DE

Ref legal event code: R082

Ref document number: 502006012389

Country of ref document: DE

Representative=s name: GRAUEL, ANDREAS, DIPL.-PHYS. DR. RER. NAT., DE

Effective date: 20150319

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20130102

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130831

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20060831

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20180823

Year of fee payment: 13

Ref country code: DE

Payment date: 20180831

Year of fee payment: 13

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502006012389

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190831

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200303