WO2002103246A2 - Dispositif d'echange thermique, notamment plinthes chauffantes - Google Patents

Dispositif d'echange thermique, notamment plinthes chauffantes Download PDF

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Publication number
WO2002103246A2
WO2002103246A2 PCT/EP2002/006726 EP0206726W WO02103246A2 WO 2002103246 A2 WO2002103246 A2 WO 2002103246A2 EP 0206726 W EP0206726 W EP 0206726W WO 02103246 A2 WO02103246 A2 WO 02103246A2
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WO
WIPO (PCT)
Prior art keywords
heat exchange
exchange device
lamella
tubes
section
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.)
Ceased
Application number
PCT/EP2002/006726
Other languages
German (de)
English (en)
Other versions
WO2002103246A3 (fr
Inventor
Bruno Della Gaspera
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2002103246A2 publication Critical patent/WO2002103246A2/fr
Publication of WO2002103246A3 publication Critical patent/WO2002103246A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/02—Arrangement of mountings or supports for radiators
    • F24D19/04—Arrangement of mountings or supports for radiators in skirtings

Definitions

  • Heat exchange device in particular baseboard heating
  • the invention relates to a heat exchange device according to the preamble of claim 1, a method for producing a heat exchange register and a method for attaching a heat exchange device in a room.
  • the heat exchange device according to the invention is preferably provided as a heating device, and even more preferably as a so-called baseboard heater.
  • the heat exchange device forms the baseboard (also referred to as the skirting board or skirting board) of a room and is arranged on a wall of the room, close to the floor thereof.
  • the room can be, for example, a living room or an office, but also a moving space such as the passenger compartment of a bus or an airplane.
  • the heat exchange device is provided as a cooling device and is then preferably arranged on or near a ceiling of the room which is to be cooled.
  • a generic heat exchange device is known from EP 0 176 478 A1.
  • two parallel tubes are provided, onto which several lamella elements are pushed.
  • Each lamella element has a lamella section which extends normal to the tubes and through which both tubes run.
  • a cross-section 'of the laminar element is bent at right angles, depending on the longitudinal sides of the disk portion. The cross sections thus extend normal to the lamella sections and approximately parallel to the tubes.
  • One of the two pipes serves as a supply pipe for the heating medium, the other as a return pipe.
  • the feed pipe first heats up, while the return pipe remains relatively cool.
  • the pipes therefore expand to different extents, causing considerable mechanical tension in the lamella elements.
  • the cross sections of the lamella elements, which run parallel to the tube axes, can be in the direction of the relative movement of the tubes hardly deform.
  • the stresses that occur cause disturbing noises and reduce the service life of the heat exchange device because strong forces act on the press fit connections between the lamella elements and the tubes. These forces lead relatively quickly to a loosening of the interference fit between the tubes and the lamellar elements and thus to an increased thermal resistance and a reduced heating output.
  • this object is achieved in that, in the case of a heat exchange device of the type mentioned at the outset, the at least one transverse section is interrupted by an opening at a height between the tubes in order to reduce tension in the lamella elements.
  • the manufacturing method according to the invention is used to manufacture a heat exchange register with corresponding lamella elements.
  • the assembly method according to the invention is used to attach the heat exchange device in a room.
  • the invention is based on the knowledge that an important cause for the above-mentioned problems of the prior art are the continuous transverse sections on the lamella elements. These cross sections extend approximately parallel to the tubes and thus run in the same direction as the relative movement of the tubes due to the thermal expansion or contraction. The cross sections therefore replace this relative movement of the pipes. considerable resistance, and considerable forces act on the cross sections, the lamella sections and the connection points to the pipes.
  • the forces occurring are considerably reduced, although the extent of the relative movement of the tubes does not change.
  • the slat sections are still deformed according to the relative movement; however, this is not a problem because the lamella sections, which consist of thin sheet metal, extend transversely to the pipes and thus only offer slight resistance to deformation in the direction of the pipe axes. In the regions of the lamella sections adjoining the cross sections, the deformation concentrates on an area near the openings of the cross sections.
  • the cross sections themselves are not or only slightly deformed.
  • the lamella elements according to the invention only provide slight resistance to deformation, as occurs when the heating or cooling is switched on and off, the forces which occur are considerably reduced.
  • the connection of the lamellar elements to the pipes is correspondingly significantly less stressed, whereby a good thermal conductivity of this connection can be achieved over a long service life. This applies regardless of whether the connection is formed by a mere press fit or by soldering or welding or gluing.
  • the disturbing noise development of heat exchange devices according to the prior art is also avoided by the invention, because the lamella elements according to the invention allow constant deformation with low forces and thus do not generate crackling or clicking noises.
  • the opening of each cross section is at a height between the tubes.
  • the term "height” here means the vertical projection of the center point of the opening onto the connecting line of the center points of the pipe cross sections.
  • the base of this projection lies between the two mutually facing outer walls of the tubes;
  • the projection base point is only between the center points of the Pipe cross sections.
  • this meaning of the term “height” corresponds to the distance from the floor of the room.
  • the lamella sections extend transversely to the tubes, and the cross sections in turn run transversely to the lamella sections.
  • the term “transverse” is to be understood in both cases as an approximately normal or vertical arrangement, so that the direction of the transverse sections is approximately parallel to the direction of the pipes.
  • the term “transversely” should not be limited to an angle of 90 °, but should also include arrangements in which the lamella sections are oriented obliquely to the pipes and / or the transverse sections are oriented obliquely to the lamella sections.
  • each lamella element has two lamella sections and a transverse section which laterally connects the two lamella sections to one another.
  • Such a lamella element has a U-shaped cross section. This arrangement is particularly advantageous in production and maximizes the effective radiation area of the lamella elements with low material expenditure.
  • the tubes and the plurality of lamella elements preferably form a heat exchange register with one another, which can be fastened to a wall profile by means of supports.
  • the carriers are preferably made of a flexible material (e.g. a plastic). This configuration creates a further possibility of compensation for the thermal expansion or contraction of the heat exchange register. Compared to a rigid mechanical attachment of the heat exchange register to the wall profile, this significantly reduces the material load.
  • the wall profile or an air guide profile attached thereon preferably has a NEN upper air guide section, which reduces the flow rate of rising heated air. This measure firstly prevents electrostatic charging (and thus contamination) of the wall to which the heat exchange device is attached, and secondly results in a better swirling of the heated air with the room air and thus an improved heating effect.
  • the wall profile preferably has a lower lip which prevents cleaning water from running into inaccessible areas under the heat exchange device when cleaning and possibly leading to mold formation there ,
  • the heat exchange device has a cover profile directed towards the room, which is attached to one of the previously mentioned components of the heat exchange device.
  • the transverse sections of the lamella elements are preferably arranged towards the cover profile and are in flat contact with the latter. This measure ensures good heat transfer from the lamella elements to the highly heat-conducting cover profile and thus significantly increases the overall radiation surface of the heat exchange device.
  • the cover profile is preferably relatively flat, so that it can be bent at least 90 ° transversely to its running direction. No special corner pieces are required for the cover profile, but several heat exchange registers, e.g. are arranged on both sides of a corner of the room, can be completed with a continuous, appropriately curved cover profile to the room.
  • the lower lip already mentioned can also be provided, in order to conduct condensation water dripping down from the heat exchange register into a collecting channel.
  • the cover profile is preferably formed from heat-insulating material in order to avoid condensation forming on the side of the cover profile facing the interior.
  • the heat exchange registers produced therewith have features which correspond to the features described above and / or to the features defined in the device claims. Furthermore, in a preferred continuation of the method according to the invention, the heat exchange register produced therewith is fastened to supports and these in turn are fastened to a wall profile in order to obtain, together with a cover profile, a heat exchange device according to the device claims.
  • FIG. 2 shows a cross section of the assembled heat exchange device from FIG. 1,
  • FIG. 3 is a view of the side of the heat exchange register facing the interior of the embodiment of FIGS. 1 and 2,
  • 4 shows a side view of a pair of lamellae in the direction of arrow IV in FIG. 3
  • 5 is a view of a lamella sheet which is used in the exemplary embodiment described here for producing a lamella unit
  • Fig. 6 is a view as in Fig. 2 in an alternative embodiment of the invention.
  • the heat exchange device shown in cross section in FIGS. 1 and 2 is designed as a heating device, more precisely as a baseboard heater. It has a wall profile 10 which is fastened to the wall of a room to be heated with screws in the fully assembled state of the heat exchange device.
  • the wall profile 10 consists of a heat-insulating plastic material. It extends over the entire length (and, as shown in FIGS. 1 and 2, also over almost the entire height) of the heat exchange device and thus isolates the heat exchange device from undesired heat loss to the wall. Since the wall profile 10 extends over the entire length of the heat exchange device, no strictly specified fastening points need to be observed when the wall profile 10 is screwed to the wall, but structural conditions can be taken into account.
  • the wall profile 10 has an obliquely downwardly extending lip 12, which is designed as an elastic sealing lip and rests with pressure on the floor of the room to be heated when the heat exchange device is fully assembled. Because of the elasticity of the plastic material from which the wall profile 10 is made, the lip 12 reliably prevents e.g. when wiping or when cleaning the heat exchange device with damp water, it gets into the hard-to-reach area under the heat exchange device. In addition, the lip 12 covers a possibly existing space between the wall and a floor covering that does not quite reach it.
  • an air guide profile 14 made of aluminum is placed thereon.
  • the air guide profile 14 protrudes somewhat further than the other heat exchange device into the room and thereby offers a uniform optical termination of the heat exchange device.
  • the one in normal eyes Elevated viewers see only the high-quality air guide profile 14 and not the possibly dusty or dirty components of the heat exchange device.
  • the arm of the air guide profile 14 projecting into the interior of the room is designed as a downwardly bent air guide section 16.
  • the air guide section 16 reduces the flow rate of the air heated during the operation of the heat exchange device. This prevents the wall from becoming electrostatically charged and thus dust or dirt particles that are entrained by the air flow from sticking to the wall.
  • the pollution of the walls above the heat exchange device is thus reduced.
  • the wall profile 10 On its side facing the interior of the room, the wall profile 10 has two grooves 18, 20 into which two corresponding lugs 22, 24 of a support 26 engage.
  • the carrier 26 is a molded part made of a flexible plastic material. It has two receptacles 28, 30 and two further lugs 32, 34 arranged on the room side.
  • a heat exchange register 36 is formed from two parallel tubes 38, 40 and a plurality of lamella elements 42.
  • the tubes 38, 40 are designed as heating tubes in the exemplary embodiment described here. They are made of copper and the lamella elements 42 are formed from thin aluminum sheet.
  • the heat exchange device is designed as a hot water heater. Instead of water, however, another heating medium can also be used in alternative embodiments, or the pipes 38, 40 can be designed as electric heating elements.
  • the tubes 38, 40 are arranged one above the other at an approximately uniform distance from the wall. This configuration has the advantage that the heat exchange device has only a small thickness.
  • an opening 44 is shown in FIG. 1, which will be discussed in more detail below. The opening 44 provides one essential aspect of the present invention, because it reduces the mechanical load on the heat exchange register 36.
  • a cover profile 46 is formed as a flat, symmetrical extruded profile made of aluminum.
  • the cover profile 46 represents the lateral termination of the heat exchange device towards the room. It has two grooves 48, 50, into which the lugs 32, 34 of the carrier 26 engage in the assembled heat exchange device (FIG. 2).
  • the side of the cover profile 46 facing the wall is in surface contact with the heat exchange register 36, and the side facing the heating space forms a further radiating surface for the heating. Because the cover profile 46 has only a small thickness, it can be bent easily.
  • the webs facing the wall at the grooves 48, 50 may have to be severed (in the case of a bend around a recessed space edge) or removed in places (in the case of a bend around a projecting space edge).
  • the cover profile 46 can thus be laid as a continuous band in long sections over several heat exchange registers 36. Special corner pieces are not required.
  • a multiplicity of lamella elements 42 (eight of which are shown in FIG. 3) are attached to the tubes 38, 40.
  • Each slat element 42 is designed as a pair of slats with two parallel slat sections 52, 54, which in FIG. 3 run perpendicular to the plane of the drawing.
  • a transverse section 56 arranged in the plane of the drawing in FIG. 3 connects the two lamella sections 52, 54 on their longitudinal sides.
  • the transverse section 56 is interrupted by the centrally arranged opening 44 and thus divided into two subsections 56 ', 56 ". In the exemplary embodiment described here, the opening 44 completely interrupts the transverse section 56 (and even protrudes somewhat into the lamella sections 52, 54).
  • the heat exchange register 36 is held on the wall profile 10 by a plurality of the supports 26 already mentioned (only one of them is shown in FIG. 1).
  • the carriers 26 have a relatively small thickness, which in the exemplary embodiment described here is smaller than the width of the transverse section 56 of a lamella element 42.
  • the carriers 26 protrude between the two lamella sections 52, 54 of a lamella element 42 up to the tubes 38, 40 into the heat exchange register 36.
  • each heat exchange register 36 can be easily placed on the carrier 26 and removed from it and is still held securely.
  • a carrier 26 is arranged, for example, every ten to twenty lamella elements 42 along the longitudinal extent of the heat exchange device.
  • FIG. 4 The side view of a lamella element 42 shown in FIG. 4 again shows the U-shaped arrangement of the two lamella sections 52, 54 with the transverse section 56 connecting these sections laterally.
  • burrs 58, 60 are formed which improve the thermal contact between the fin element 42 and the tubes 38, 40.
  • the outer diameter of the tubes 38, 40 is approximately 17 mm and their distance is approximately 42 mm.
  • the lamella sections 52, 54 have a length of approximately 70 mm and a width of approximately 22 mm.
  • the cross section 56 is approximately 11 mm wide.
  • the overall dimensions of the heat exchange device are approximately 140 mm in height and approximately 30 mm in width. With such a system, a heating power of 230 watts per linear meter can be achieved at a temperature difference of 60 °. Depending on the required heating output and the spatial conditions, other dimensions of the system are provided in alternative versions. If the heat exchange device described here is put into operation, the feed pipe (for example pipe 40) first heats up, while the return pipe (for example pipe 38) remains relatively cool.
  • the heating of the feed pipe can cause an expansion in the longitudinal direction of, for example, just under 2 mm per running meter of the heat exchange device.
  • the relative movement of the two tubes 38, 40 caused by this change in length is compensated for in that the lamella sections 52, 54 bend elastically at the level of their openings 44. In this case, only relatively small forces arise because the thin aluminum sheet of the lamella sections 52, 54 is easily deformable in this direction.
  • the areas of the lamella elements 42 at the level of the subsections 56 ′ and 56 ′′ shift relative to one another, but there is hardly any deformation within these areas.
  • the heat exchange device is designed as a cooling device and is intended to be attached to a wall near the ceiling or to the ceiling near the wall.
  • the lip 12 serves as a drain lip in order to guide condensate dripping from the heat exchange register 36 into a collecting trough (not shown in the figures).
  • no air guide profile 14 is provided.
  • the heat exchange register 36 is preferably designed as described above; However, alternative designs are also provided in which the lamella elements 42 have no transverse sections 56 or uninterrupted transverse sections 56. sen.
  • the cover profile 46 is made of a heat-insulating plastic in order to avoid condensation on the side facing the interior of the room. The mode of operation of the cooling device is thus largely based on convection, while in the exemplary embodiment of the heating device described above, the heat radiation via the cover profile 46 makes up a significant proportion (for example at least 20% or at least 40%) of the total heating power.
  • FIG. 5 shows a lamellar plate 62 which is used to produce the heat exchange register 36 and the entire heat exchange device.
  • the lamella sheet 62 is made of thin aluminum sheet by stamping. It has two openings 64, 66 for the first tube 38 and two further openings 68, 70 for the second tube 40.
  • the openings 64 to 70 correspond in size and shape to the outer dimensions of the tubes 38, 40.
  • the ridges 58, 60 shown in FIG. 4 have been produced on the tube openings 64 to 70 by the stamping process.
  • the openings 64 and 68 are located in the first lamella section 52, while the openings 66 and 70 are arranged in the second lamella section 54.
  • the two lamella sections 52, 54 are connected to one another by the transverse section 56.
  • the rectangular opening 44 is arranged centrally in the lamella plate 62. It cuts through the transverse section 56 and projects somewhat into the lamella sections 52, 54 on both sides.
  • the lamella sheets 62 are bent in order to obtain the U-shaped arrangement of the lamella element 42 according to FIG. 4.
  • Several such lamella elements 42 are then pushed onto prepared sections of the tubes 38, 40 (FIG. 3) and fixed there in a press fit.
  • the tubes 38, 40 can be strongly cooled while the lamella elements 42 are heated.
  • other methods for producing a secure press fit are also provided, and furthermore the lamella elements 42 can be soldered or welded or glued to the tubes 38, 40 (FIG. 3) at their ridges 58, 60 (FIG. 4).
  • the wall profile 10 with the air guide profile 14 attached to it is first mounted on the room walls near the floor, so that the lip 12 is flush with the floor.
  • the carriers 26 are then inserted into the grooves 18, 20 of the wall profile 10 at regular intervals.
  • a plurality of heat exchange registers 36, depending on the intended length of the heat exchange device, are placed on the carrier 26, so that the tubes 38, 40 snap securely into the receptacles 28, 30.
  • the cross sections 56 of the heat exchange register 36 point toward the interior of the room.
  • the cover profile 46 is placed on the lugs 32, 34 of the carrier 26.
  • the cover profile 46 follows the course of the heat exchange device along the room wall without interruption (or with barely visible butt joints).
  • a radial fan 80 is provided, which is indicated schematically in FIG. 6 by a circle.
  • the radial fan 80 is located just below the curved air guide section 16.
  • Air baffles 82 and 84 or correspondingly shaped plastic parts are arranged such that when the radial fan 80 is operating, the heated air flows in in the direction of arrow A and is expelled in the direction of arrow B.
  • the radial fan 80 is preferably relatively small and arranged in such a way that it only slightly impairs this normal air flow in the direction of arrow C. When the radial fan 80 is running, it causes additional air flow through the heater.
  • the radial fan 80 is preferably controlled by a thermostat. For example, it can be provided that the radial fan 80 only operates when the measured room temperature deviates from the set room temperature by at least a predetermined amount (e.g. 3 ° C).

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Central Heating Systems (AREA)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un dispositif d'échange thermique, notamment des plinthes chauffantes, qui comprend deux tuyaux (38, 40) pratiquement parallèles et plusieurs éléments ailettes (42) placés le long des tuyaux (38, 40) sur ces derniers et servant à accroître la surface de chauffage. Chaque élément ailette (42) comprend au moins un segment d'ailette (52, 54) qui s'étend perpendiculairement aux tuyaux (38, 40) et à travers lequel passent les tuyaux (38, 40). En outre, chaque élément ailette (42) présente au moins un segment transversal (56) qui s'étend perpendiculairement au segment d'ailette (52, 54). Ce segment transversal (56) est interrompu par une ouverture (44) située à une hauteur entre les tuyaux (38, 40) et servant à réduire les déformations des éléments ailettes (42) dues à l'expansion ou à la contraction thermiques des tuyaux (38, 40). L'invention concerne également un procédé pour la production d'un registre d'échange thermique destiné à un tel dispositif d'échange thermique. L'invention crée un dispositif d'échange thermique à durée de vie élevée, qui génère peu de bruit pour des variations rapides de température.
PCT/EP2002/006726 2001-06-18 2002-06-18 Dispositif d'echange thermique, notamment plinthes chauffantes Ceased WO2002103246A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01114569.5 2001-06-18
EP01114569A EP1271063B1 (fr) 2001-06-18 2001-06-18 Echangeur de chaleur, notamment plinthe chauffante

Publications (2)

Publication Number Publication Date
WO2002103246A2 true WO2002103246A2 (fr) 2002-12-27
WO2002103246A3 WO2002103246A3 (fr) 2003-03-20

Family

ID=8177739

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2002/006728 Ceased WO2002103247A2 (fr) 2001-06-18 2002-06-18 Dispositif d'echange thermique, notamment plinthes chauffantes
PCT/EP2002/006726 Ceased WO2002103246A2 (fr) 2001-06-18 2002-06-18 Dispositif d'echange thermique, notamment plinthes chauffantes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/006728 Ceased WO2002103247A2 (fr) 2001-06-18 2002-06-18 Dispositif d'echange thermique, notamment plinthes chauffantes

Country Status (4)

Country Link
EP (1) EP1271063B1 (fr)
AT (1) ATE261568T1 (fr)
DE (1) DE50101657D1 (fr)
WO (2) WO2002103247A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080029613A1 (en) * 2002-09-26 2008-02-07 William Friedlich Adjustable baseboard and molding system
EP1739365A1 (fr) * 2005-06-27 2007-01-03 Frog S.r.l./GmbH Chauffage et/ou refroidissement d'une pièce
CN102278787B (zh) * 2010-06-10 2013-09-11 杨中竣 板材固定加热单元装置
EP2796798B1 (fr) 2013-04-26 2017-10-04 ECO-MATIC (Société à responsabilité limitée) Plinthe chauffante hydraulique et/ou électrique
DE212015000055U1 (de) * 2014-01-29 2016-09-19 Tomton S.R.O. Klimatisierungskörper, insbesondere für eine Warmwasser-Zentralheizung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1104191A (fr) * 1954-05-04 1955-11-17 Perfectionnements aux éléments chauffants pour habitations
DE1142437B (de) * 1961-07-13 1963-01-17 Gen Automatic Products Corp Sockelkonvektor fuer Sammelheizungsanlagen
FR1491760A (fr) * 1966-09-02 1967-08-11 Weil Mclain Co Inc Procédé de chauffage ou de refroidissement de locaux à l'aide d'éléments disposés à leur partie supérieure
US3395753A (en) * 1967-03-17 1968-08-06 Thor Metal Products Co Inc Finned heating unit with side guide rails
CH565985A5 (fr) * 1974-01-28 1975-08-29 Von Roll Ag
JPS57198993A (en) * 1981-05-29 1982-12-06 Hitachi Ltd Crossed fin type heat exchanger
CH664620A5 (de) 1984-09-07 1988-03-15 Thermco Ag Sockelleiste zur aufnahme eines heizkerns und heizvorrichtung.
ES2153829T3 (es) * 1991-08-23 2001-03-16 Technolizenz Ets Zocalo de calefaccion con una cubierta de madera.
DE19626321A1 (de) * 1996-07-01 1998-01-08 Bosch Gmbh Robert Gasbeheizter Umlauf-Wasserheizer
JPH10160283A (ja) * 1996-11-29 1998-06-19 Sanyo Electric Co Ltd 吸収式ヒートポンプ装置
SE9702293L (sv) 1997-06-16 1998-12-17 Uwe Verken Ab Anordning vid ett värmeelement

Also Published As

Publication number Publication date
EP1271063A1 (fr) 2003-01-02
WO2002103246A3 (fr) 2003-03-20
EP1271063B1 (fr) 2004-03-10
WO2002103247A3 (fr) 2003-03-20
WO2002103247A2 (fr) 2002-12-27
ATE261568T1 (de) 2004-03-15
DE50101657D1 (de) 2004-04-15

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