EP1192402A2 - Multichannel tube heat exchanger, in particular for motor vehicle - Google Patents
Multichannel tube heat exchanger, in particular for motor vehicleInfo
- Publication number
- EP1192402A2 EP1192402A2 EP00993738A EP00993738A EP1192402A2 EP 1192402 A2 EP1192402 A2 EP 1192402A2 EP 00993738 A EP00993738 A EP 00993738A EP 00993738 A EP00993738 A EP 00993738A EP 1192402 A2 EP1192402 A2 EP 1192402A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- fluid
- exchanger according
- tubes
- tube
- 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
Links
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
- F28F9/0202—Header boxes having their inner space divided by partitions
- F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
-
- 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
- F28D1/03—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 plate-like or laminated conduits
- F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
- F28D1/035—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other with U-flow or serpentine-flow inside the conduits
-
- 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
- F28D1/03—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 plate-like or laminated conduits
- F28D1/0391—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 plate-like or laminated conduits a single plate being bent to form one or more conduits
-
- 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
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2225/00—Reinforcing means
- F28F2225/08—Reinforcing means for header boxes
Definitions
- Multi-channel tube heat exchanger in particular for motor vehicles
- the invention relates to heat exchangers, in particular for motor vehicles.
- It relates more particularly to a heat exchanger capable of constituting either an engine cooling radiator, or a radiator for heating the passenger compartment, or even an evaporator or a condenser of an air conditioning circuit.
- a heat exchanger of this type comprises a bundle of tubes mounted between two fluid boxes via respective collectors, and is capable of being traversed by a fluid.
- this fluid is the liquid used for cooling the engine.
- this fluid is a refrigerant.
- the fluid is distributed between the tubes of the bundle by successive passes in different groups of tubes and in given respective directions of circulation.
- the bundle comprises either flat tubes associated with corrugated spacers, or tubes of circular or oval section passing through a series of fins.
- the change of pass is obtained by means of transverse and longitudinal partitions located inside the fluid boxes provided at the two ends of the tube bundle.
- partitions are either attached and brazed between the fluid box and the corresponding collector, or obtained by stamping the fluid box to define compartments. ents which communicate respectively with groups of tubes of the bundle.
- the manifold has openings, also called slots, provided with lifting collars into which the ends of the tubes are introduced and brazed.
- the object of the invention is in particular to overcome the aforementioned drawbacks.
- the tubes each comprise several channels separated by at least one longitudinal partition and are arranged in a single row, parallel to two large faces of the exchanger.
- the circulation of the fluid takes place in at least two plies parallel to the large faces of the exchanger and each formed from part of the channels of the tubes, and at least one of the fluid boxes comprises a internal longitudinal partition suitable for dividing the fluid box into at least two longitudinal compartments communicating respectively with the two layers.
- the heat exchanger of the invention comprises tubes each having several channels, the respective channels of each tube being each time divided into at least two groups corresponding to circulation layers.
- each tube is divided into two groups, a first group which corresponds to a first layer and a second group which corresponds to a second layer.
- a tube according to the invention comprises at least two channels which then correspond respectively with the two aforementioned longitudinal compartments.
- the number of channels in the first group and in the second group can be equal or different.
- At least one of the fluid boxes comprises at least one transverse partition suitable for dividing the fluid box into at least two transverse compartments, at least one of which establishes communication between two layers.
- each sheet is divided into at least two sub-sheets connected in series and in which the circulation of the fluid takes place against the current from one sub-sheet to the next.
- the heat exchanger comprises two layers, each divided into two sub-layers, which makes it possible to define a circulation with four passes: two successive passes in the two sub-layers of a first layer, and then two successive passes in the two sub-layers of a second layer.
- each manifold has openings, also called slots, surrounded by collars for the introduction of the ends of the bundle tubes and it is expected that each manifold is provided with a flat surface for brazing a fluid box.
- This characteristic is particularly advantageous because it makes it possible to oppose a perfectly flat surface for positioning the longitudinal partition and / or the transverse partition of the fluid box.
- each fluid box to include a flat periphery and at least one coplanar partition (longitudinal partition and / or transverse partition) suitable for being brazed against the surface of the manifold.
- each collector is part of a collector plate attached by brazing to the collector and having openings aligned with the openings of the collector.
- 'heat exchanger of the invention may include at least one tab from an edge of the manifold or the collector plate, or the fluid box, said tab being folded respectively on an edge of the fluid box, or on an edge of the collector or the collector plate.
- the end of at least one longitudinal partition of the tube is positioned substantially at the level of the flat surface of the manifold, so that this longitudinal partition of the tube can be brazed to an internal longitudinal partition of the fluid box.
- the fluid boxes are advantageously each formed by stamping a metal plate to define the flat periphery and the coplanar partition.
- At least one of the fluid boxes comprises at least one fluid inlet or outlet manifold.
- each tube is an extruded tube, or that each tube is formed from a folded sheet and closed by longitudinal brazed joints, or that each tube is formed from two stamped sheet plates which are mutually tightly soldered.
- the channels of the tubes are separated by partitions whose respective thicknesses decrease from a central region of the tube towards the periphery.
- the heat exchanger constitutes an evaporator for an air conditioning unit.
- - Figure 1 is a partial perspective view in section of part of a heat exchanger according to the invention, the view showing the manifold, the collector plate and one of the bundle tubes;
- - Figure 2 is a partial perspective view of a fluid box suitable for being brazed on the header plate of the heat exchanger of Figure 1;
- FIG. 3 is a partial sectional view of a fluid box brazed to a header plate of a heat exchanger according to the invention
- FIG. 4 is a partial exploded perspective view of a heat exchanger according to the invention.
- FIG. 5 is a diagram showing the circulation of the fluid in the heat exchanger of Figure 4.
- FIG. 6 is a cross-sectional view of a tube according to the invention formed by extrusion
- FIG. 7 is a cross-sectional view of a tube according to the invention formed from a sheet
- FIG. 8 is a cross-sectional view of a tube according to the invention formed from two sheets;
- FIG. 9 is a partial perspective view of a heat exchanger according to another embodiment of the invention.
- FIG. 10 is a perspective view of one of the fluid boxes of the heat exchanger of FIG. 9.
- FIG. 1 shows a part of a heat exchanger comprising a bundle having a multiplicity of tubes 10, only one of which is shown in FIG. 1.
- These are flat tubes, arranged according to a single row, and produced by the extrusion of a metallic material, preferably based on aluminum.
- These tubes have a plurality of parallel internal channels 12 which are seven in number, in the example, and are separated by longitudinal partitions 78.
- the row of tubes is parallel to two large opposite faces F1 and F2 of the heat exchanger.
- the tubes 10 are spaced apart to delimit, between two adjacent tubes, an interval which can be free or occupied by a corrugated interlayer (not shown) forming a heat exchange surface.
- the tubes 10 have respective ends 14 received in a collector 16 consisting of a stamped metal plate of generally rectangular shape having two longitudinal sides corresponding respectively to the large faces F1 and F2 of the heat exchanger.
- the end 14 of each tube 10 defines a flat face which extends perpendicular to the longitudinal direction of the tube and which also constitutes the end of each longitudinal partition 78
- the manifold 16 has a plurality of openings 18, also called slots, having an internal section adapted to the external section of a tube.
- Each of the openings 18 is bordered by a collar 20 so that the openings 18 can respectively receive the ends 14 of the tubes 10 of the bundle.
- the ends 14 of the tubes are intended to be brazed with the respective collars 20 to ensure a tight connection.
- the collector 16 receives a collecting plate 22 of rectangular shape advantageously made of an aluminum-based material.
- This collector plate 22 is intended to be brazed on the collector 16 and to provide a flat surface 24, forming a reference surface, and it comprises a multiplicity of openings 26, also called slots, arranged opposite the respective openings 18 of collector 16.
- openings 26 have a shape adapted to that of the ends 14 of the tubes so that the latter engage, at least in part, in the openings 26, without however exceeding the plane defined by the planar surface 24.
- the end 14 g of each tube is positioned so as to be situated substantially at the level of the flat surface 24.
- the flat surface 24 is designed to receive a fluid box 28, as shown in FIG. 2, which is produced by stamping a metal sheet, advantageously based on aluminum.
- the fluid box 28 of FIG. 2 comprises a peripheral periphery 30 of generally rectangular shape which is planar and capable of coming into abutment against the periphery of the planar surface 24.
- the periphery 30 has a generally rectangular shape adapted to the rectangular shape of the planar surface 24.
- this periphery notably comprises two longitudinal edges 32.
- the fluid box 28 comprises a longitudinal partition 34 which extends parallel to the edges 32 and a transverse partition 36 which extends perpendicular to the partition 34 and to the edges 32.
- the periphery 30 and the partitions 34 and 36 are coplanar.
- the fluid box 28 is stamped to delimit compartments between the plane periphery 30 and the partitions 34 and 36.
- compartments there are four compartments: two compartments 38 and 40 near one of the edges 32 and two other compartments 42 and 44 near on the other side 32.
- FIG. 3 shows the periphery 30 of the fluid box 28 applied against the periphery of the bearing surface 24 formed by the collecting plate 22, the latter being brazed on the collector 16.
- it is provided at at least one lug 45 from an edge of the manifold 16 and folded over an edge of the fluid box 28 to ensure provisional maintenance of the assembly for brazing.
- the tab 45 could come from an edge of the collecting plate 22 or the fluid box 28 and be folded respectively over an edge of the manifold 16 or of the collecting plate 22.
- the longitudinal partition 34 of the fluid box ( Figure 1) is placed, for each tube, against the end of a longitudinal partition 78 of the tube. This makes it possible later to braze the partition 34 of the fluid box against a partition 78 of each tube and, thus, to separate each tube into two groups: a first group Gl formed here of three channels and a second group G2 formed here of four canals.
- FIG. 4 describes an example of a heat exchanger produced as defined above.
- the heat exchanger comprises a bundle formed by a plurality of tubes 10 as defined above, these tubes 10 being received, at their upper end, in a collector 16 on which a collector plate 22 is brazed , as defined above.
- the tubes 10 are received in a similar collector (not shown) on which another identical collecting plate 22 is brazed.
- the fluid box 28 is produced in accordance with the teachings of FIG. 2.
- this fluid box comprises a flat periphery 30 of generally rectangular shape, a longitudinal partition 48 which extends only over part of the length and which connects a transverse edge 50 of the periphery to a transverse partition 52.
- the periphery 30 and the partitions 48 and 52 are coplanar.
- the fluid box 28 is produced by stamping to further define an inlet pipe 54 and an outlet pipe 56 which communicate respectively with two compartments 58 and 60, which are separated by the longitudinal partition 48.
- the box fluid 28 forms a domed portion 62 delimiting a single compartment 64.
- the fluid box 46 has a planar periphery 66 of generally rectangular shape " and a longitudinal partition 68 which extends over the entire length and which is coplanar with the periphery 66.
- the fluid box 46 comprises two longitudinal bosses 70 and 72 defining two corresponding elongated compartments which communicate with the beam.
- a heat exchanger comprising a plurality of tubes 10, optional spacers (not shown), two collectors 16 (only one of which is shown), two manifold plates 22, as well as a fluid box 28 in part. upper and a fluid box 46 in the lower part.
- the partition 68 of the fluid box 46 is provided for dividing each tube in such a way that the compartment 70 communicates with the channels of group G1 and the compartment 72 with the channels of group G2.
- the circulation of the fluid in the heat exchanger takes place in several passes as shown in FIG. 5.
- the fluid enters the compartment 58 through the inlet pipe 54 and circulates in a first sub-layer SN1 formed by the channels of the group G1 belonging to a part of the tubes to gain the compartment 70 by a vertical circulation from top to bottom.
- the fluid flows from bottom to top from the same compartment 70 to reach the compartment 64, the circulation taking place in a second sub-layer SN2.
- the fluid circulates in the group G 1 of the channels of the other tubes of the bundle.
- the fluid reaches the compartment 72 by a vertical circulation from top to bottom in a third sub-layer SN3, the circulation taking place in the channels of group G2 of a part of the tubes.
- the fluid reaches the compartment 60 by a vertical circulation from bottom to top in a third sub-layer SN4, the circulation of the fluid taking place in the group G2 of the channels of the other tubes.
- the fluid leaves the heat exchanger through the outlet pipe 56.
- the circulation of the fluid takes place in four passes and in alternating directions.
- the first two passes correspond respectively to the sub-layers SN1 and SN2. These two sub-layers belong to the same layer which extends near the large face F1 of the heat exchanger.
- the circulation is then carried out in two other passes which correspond to the sub-layers SN3 and SN4.
- These two sub-layers are part of a second layer which is connected in series to the first layer and which extends parallel to the large face F2 of the heat exchanger.
- the first layer is formed by the groups Gl of the channels (here three in number) and the second layer by the group G2 of the channels (here four in number).
- FIG. 6 shows an extruded tube 10 according to the invention which comprises a multiplicity of channels 12, in the example eleven in number.
- the tube comprises two flat faces 74 joined by two semi-circular faces 76.
- the tubes are separated by partitions 78 which have variable thicknesses.
- the two partitions 78 located in the central region have a thickness A and they are each followed by partitions having respective thicknesses B, C, D and E such that A> B> C> D> E. The thicknesses of the partitions thus decrease from the central region to the periphery.
- the tube 10 is formed from a sheet 80 folded so as to have two opposite flat faces 82 joined by two end faces 84 of semi-circular profile.
- the sheet 80 has two longitudinal edges 86 assembled respectively against an intermediate part 88 of the sheet of stepped structure forming a partition.
- the two edges 86 are assembled by longitudinal brazed joints 88 so as to close the tube and delimit two channels 12.
- the tube 10 is formed from two stamped sheet metal plates 90 which are mutually tightly brazed. These two plates 90 have symmetrical profiles and each comprise two longitudinal end edges 92 and a central longitudinal edge 94, parallel to one another, which separate two bosses 96. The plates 90 are mutually tightly brazed by their respective edges of so as to define two channels 12.
- the heat exchanger of Figure 9 is similar to that of Figure 4 but differs however by the structure of the fluid box 28 in the upper part and by the structure of the fluid box 46 in the lower part ( Figure 10) .
- the fluid box 28 comprises, as in the case of FIG. 4, an inlet pipe 54 and an outlet pipe 56 which communicate respectively with two compartments 58 and 60 separated by a longitudinal partition 48.
- the partition 48 continues beyond the transverse partition 52 to define two other compartments 98 and 100.
- the fluid box 46 comprises a longitudinal partition 68 which extends over part of its length and which joins a transverse partition 102. Another transverse partition 104 is provided at a distance from the partition 102. As a result, the fluid box 46 delimits two adjacent longitudinal compartments 70 and 72 on either side of the partition 68 and two transverse compartments 106 and 108 on either side of the partition 104.
- the circulation of the fluid in the heat exchanger of FIGS. 9 and 10 takes place in six passes distributed in two layers.
- the fluid circulates successively in the first group of channels passing successively through the compartments 54, 70, 98 and 106, 98 and 108.
- the fluid successively circulates in the second group of channels passing successively through compartments 108 and 100, 106 and 100, 72 and 56.
- the invention thus makes it possible to produce a heat exchanger obtained by brazing metal parts advantageously based on aluminum.
- the use of tubes with several channels makes it possible to define, in each tube, at least two groups of channels corresponding respectively to at least two traffic layers. Because each manifold offers a flat surface for attaching the collector plate, this makes it possible to obtain a perfect seal between this flat surface and the fluid box and to define compartments for the circulation of the fluid in several passes.
- the invention makes it possible to produce a heat exchanger with circulation in two layers, which leads to better temperature equilibration of the exchanger. This is particularly advantageous in the case where the heat exchanger is produced in the form of an evaporator.
- each layer there can be at least two passes, generally two, three or four passes.
- the invention makes it possible to simplify the method of assembling the heat exchanger while providing a seal.
- the heat exchanger thus produced has a reinforced burst strength and makes it possible to reduce the pressure stresses on the fluid boxes and the collectors, since each of the fluid boxes can have a lower height.
- the invention finds particular application in the field of heating and / or air conditioning devices for motor vehicles.
Landscapes
- 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)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9916666A FR2803378B1 (en) | 1999-12-29 | 1999-12-29 | MULTI-CHANNEL TUBE HEAT EXCHANGER, PARTICULARLY FOR MOTOR VEHICLES |
FR9916666 | 1999-12-29 | ||
PCT/FR2000/003629 WO2001050080A2 (en) | 1999-12-29 | 2000-12-21 | Multichannel tube heat exchanger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1192402A2 true EP1192402A2 (en) | 2002-04-03 |
EP1192402B1 EP1192402B1 (en) | 2004-06-16 |
Family
ID=9553978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00993738A Expired - Lifetime EP1192402B1 (en) | 1999-12-29 | 2000-12-21 | Multichannel tube heat exchanger, in particular for motor vehicle |
Country Status (7)
Country | Link |
---|---|
US (1) | US6749015B2 (en) |
EP (1) | EP1192402B1 (en) |
JP (1) | JP4869530B2 (en) |
DE (1) | DE60011616T2 (en) |
ES (1) | ES2223649T3 (en) |
FR (1) | FR2803378B1 (en) |
WO (1) | WO2001050080A2 (en) |
Cited By (1)
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EP1843115A2 (en) * | 2006-04-05 | 2007-10-10 | Behr GmbH & Co. KG | Core type radiator with change of flow direction |
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ES2165768B1 (en) | 1999-07-14 | 2003-04-01 | Almirall Prodesfarma Sa | NEW DERIVATIVES OF QUINUCLIDINE AND PHARMACEUTICAL COMPOSITIONS THAT CONTAIN THEM. |
US7214687B2 (en) | 1999-07-14 | 2007-05-08 | Almirall Ag | Quinuclidine derivatives and medicinal compositions containing the same |
US7650935B2 (en) * | 2001-12-21 | 2010-01-26 | Behr Gmbh & Co. Kg | Heat exchanger, particularly for a motor vehicle |
JP4107051B2 (en) * | 2002-02-19 | 2008-06-25 | 株式会社デンソー | Heat exchanger |
US20040040698A1 (en) * | 2002-08-30 | 2004-03-04 | Jay Korth | Flat-round joint in a "CT" or "Serpentine" fin core |
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JP2007147172A (en) * | 2005-11-29 | 2007-06-14 | Showa Denko Kk | Heat exchanger |
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- 2000-12-21 JP JP2001549981A patent/JP4869530B2/en not_active Expired - Lifetime
- 2000-12-21 EP EP00993738A patent/EP1192402B1/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
WO2001050080A2 (en) | 2001-07-12 |
US20020134538A1 (en) | 2002-09-26 |
ES2223649T3 (en) | 2005-03-01 |
FR2803378B1 (en) | 2004-03-19 |
US6749015B2 (en) | 2004-06-15 |
FR2803378A1 (en) | 2001-07-06 |
EP1192402B1 (en) | 2004-06-16 |
DE60011616T2 (en) | 2005-07-14 |
WO2001050080A3 (en) | 2002-01-31 |
JP2003519356A (en) | 2003-06-17 |
JP4869530B2 (en) | 2012-02-08 |
DE60011616D1 (en) | 2004-07-22 |
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