EP1382470B1 - Echangeur de chaleur - Google Patents

Echangeur de chaleur Download PDF

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Publication number
EP1382470B1
EP1382470B1 EP02291813A EP02291813A EP1382470B1 EP 1382470 B1 EP1382470 B1 EP 1382470B1 EP 02291813 A EP02291813 A EP 02291813A EP 02291813 A EP02291813 A EP 02291813A EP 1382470 B1 EP1382470 B1 EP 1382470B1
Authority
EP
European Patent Office
Prior art keywords
exchange
component
heat
heat exchanger
exchanger assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02291813A
Other languages
German (de)
English (en)
Other versions
EP1382470A1 (fr
Inventor
Michel Brun
Christophe Schmittheisler
Pascal Miss
Gregory Lucas
Yannick Laumonnerie
Mathieu Mougey
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 France Rouffach SAS
Original Assignee
Behr France Hambach SARL
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 France Hambach SARL filed Critical Behr France Hambach SARL
Priority to EP02291813A priority Critical patent/EP1382470B1/fr
Priority to AT02291813T priority patent/ATE302125T1/de
Priority to DE50203958T priority patent/DE50203958D1/de
Priority to ES02291813T priority patent/ES2250602T3/es
Publication of EP1382470A1 publication Critical patent/EP1382470A1/fr
Application granted granted Critical
Publication of EP1382470B1 publication Critical patent/EP1382470B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
    • H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/02—Heaters using heating elements having a positive temperature coefficient

Definitions

  • the present invention relates to a device for exchanging heat and in particular an electric heater.
  • Such devices for the exchange of heat for example, to heat Used air in motor vehicles.
  • Such an electric heater for heating in the interior a motor vehicle guided air consists of electrical heating elements and heat conductors, where the air to be heated flows past.
  • electric heating elements for example, ceramic heating elements used with positive temperature coefficients (PTC heating elements).
  • the heat emitted by the heating elements is transmitted by heat conductors, which executed for example in the form of corrugated ribs or fins are discharged to the air to be heated.
  • the heating elements are usually held in a receiving device, on which also control devices, such as power transistors or similar electrical switching or control elements attached could be.
  • EP 0616 486 A1 discloses a heating apparatus for heating a fluid, wherein wavy heat transfer elements and intermediate plates and resistance heating elements are provided.
  • the object of the present invention is to provide a device to exchange heat that is designed to both the connection the electric heating elements with the voltage source as well Heat conduction between the PTC element and the air in a simple manner can be provided.
  • the object is achieved by a device according to claim 1.
  • An inventive device for exchanging heat in particular for a motor vehicle, has at least one heat exchanger assembly on, which is designed to allow the device to exchange heat with regard to the heating surface, the heating capacity and the heating grading and the Heating power distribution simply a predetermined purpose can be adjusted.
  • a device for the exchange of heat has according to a preferred embodiment, a heat exchanger assembly on, which has at least a first component whose temperature in dependence of a flowing through the component electrical Current changes.
  • the first component is at least one electric heating element connected to an electrical power source is.
  • the heat exchanger assembly has a second component to Exchange of heat with the heat exchanger assembly flowing around Medium up.
  • heating element in the sense of the present invention is a To understand element or a group of elements by which electrical Energy is converted into heat energy.
  • Such heating elements For example, ceramic heating elements with positive temperature coefficients (PTC heating elements).
  • PTC heating elements positive temperature coefficients
  • other heating elements such as resistance heating elements, Plasma heating elements and / or the like find use.
  • the heat exchanger assembly, the at least one electric heating element and in particular two second components for exchanging heat has, according to a preferred embodiment in a receiving device arranged.
  • the second or second components are defined from a material electrical and thermal conductivity produced.
  • the arrangement of the first and second components of the heat exchanger assembly takes place in the Way, that at least a first and a second component of Heat exchanger assembly in the way that the replacement of thermal and / or electrical energy is favored.
  • the second component the heat exchanger assembly a grid consisting of metallic and / or made of synthetic materials.
  • grid in the context of the present invention is a braid metallic and / or synthetic material understood, which openings that regularly or irregularly over the Hauptausdehnungscardien of the grid are distributed and which essentially by the distance of the individual thread-like basic elements.
  • basic elements For example, wires with a given cross-sectional diameter be provided.
  • the number of wires used, their diameter and the grid structure a predetermined closed area.
  • This closed surface also faces a so-called open area. It results from the difference of the flow-side surface of the Heat exchanger and the open surface of the heat exchanger grille.
  • the grid can also be understood in terms of a fabric or braid are also laid structures within the meaning of the present Invention be understood as a woven or braided.
  • the grid is at least one part the frame element electrically conductively connected. This connection will either by contact of the surface structures of the grid with the receiving device or by the use of a conductive bonding agent reached.
  • Invention will be the connection between the receiving device and the Grids with a welded joint, an adhesive bond, a solder joint and / or screw / rivet connection achieved.
  • the medium flowing around the heat exchanger assembly is preferably a gaseous or liquid medium. It is particularly preferred that the the heat exchanger assembly is circulating medium air, which in one Car is promoted in the vehicle interior to this to temper.
  • a third component which the two Components of the heat exchanger assembly in a predetermined position interconnects and also the transmission of electrical and / or thermal energy to a predetermined extent.
  • the transmission of electrical and / or thermal energy in the sense of present invention may be either by a direct contact of the first and second component, where relevant their surface structure and points of contact to exchange the energy. Furthermore, the contact of the two components indirectly via the fixing third component. Also a combination of the two transmission paths is within the meaning of the present invention.
  • Such a third component may according to the present invention Connecting element such as an adhesive, a weld or a solder joint. Furthermore, in the context of the present invention also a third component serving as a mechanical fastener is executed and the components frictionally and / or positively with each other combines. This can in particular a clamping device, a screw and / or a riveted joint, etc.
  • the first component the heat exchanger assembly with respect to the main flow direction arranged the circulating medium at a predetermined angle.
  • the Flow direction of a medium understood which is substantially determined by the inner boundary of a flow path or channel becomes.
  • the orientation of the first component with respect to the circulating medium through the predetermined Heat transfer between the electric heating element and the flowing medium and / or the pressure drop of the flowing through Medium set.
  • the electrical Heating elements which essentially have a planar basic shape, to achieve maximum heat transfer, with the main expansion direction be arranged perpendicular to the flow direction.
  • the PTC elements with a to arrange predetermined angle between 0 degrees and 90 degrees in the air flow.
  • the second component is used to provide an electrical connection between the first component, in particular the electric heating element and a voltage source, provide.
  • the heat exchanger assembly a frame-shaped receiving device, the at least from two lateral frame legs and at least one upper one and lower frame legs. These frame legs, in one predetermined angle to each other, stretch a surface on, within which the heat exchanger assembly or the heat exchanger assemblies being held.
  • the individual heat exchanger assemblies to combine with each other in a way that a given Amount of heat to be delivered to the passing air flow can.
  • the invention provides a heat exchanger assembly Among other things, due to the small depth, also several times can be arranged in one or more flow paths.
  • At least one Frame legs designed so that between an in contact with it second component provided an electrically conductive contact becomes.
  • another frame leg designed so that a separate contacting of the electric heating elements and the second components can be made.
  • the upper frame legs a non-conductive, that is insulating, produced or by means of material of such a material is coated.
  • the connection to the power source or control unit is via individual contact points.
  • the device is for replacement from heat used in an air conditioning system of a motor vehicle to a To allow heating of the interior air of the motor vehicle.
  • air in the interior of the Vehicle is heated.
  • the air conditioner also has preferably a compressor, condenser, dryer, collector, an expansion valve and an evaporator on.
  • the device may preferably in the flow channel of the ventilation system of an air conditioner be introduced, in addition to a single-flow channel in particular also multi-flow flow channels can be used.
  • multi-flow flow channels can be used.
  • An inventive device for exchanging heat can for Heating used in the interior of a motor vehicle air used become.
  • the device may in addition to a conventional used heat exchangers are used in a motor vehicle and is preferably so long in operation until the heating and Cooling circuit of a motor vehicle available heat of the Internal combustion engine is sufficient to ensure adequate heating of the To reach the vehicle interior guided air.
  • Another application finds the device according to the invention in motor vehicles with low fuel consumption their engine so little heat of combustion that does not produce sufficient heat energy to sufficient Heating the interior is present.
  • the embodiments illustrated below relate to preferred Embodiments of the device for exchanging heat, in particular for a motor vehicle, according to the present invention.
  • Fig. 1 shows a schematic representation of a heat exchanger according to the prior art, the heating elements 1 between contact plates. 2 and adjoining cooling fins 3 are arranged. Furthermore, the shows Figure the arrangement of several heating elements in a mounting frame 4, in which the cooling fins 3, contact plates 2 and heating elements by means of a Spring 5 are clamped within the frame.
  • Fig. 2a shows a schematic representation of a heat exchanger assembly 21, which is arranged in a receiving device 22, 25 and a special preferred embodiment of the present invention.
  • the side view of the heat exchanger assembly is according to the present invention Invention in the flow channel of a ventilation system for motor vehicles so arranged that the plane spanned by the heat exchanger assembly level substantially perpendicular to the flow direction of the to be heated Medium is arranged.
  • the heat exchanger assembly itself is made of four according to the present invention Embodiment vertically arranged rows of electric heating elements 23, which at least at one contact point 24, 24 ', 24 ", 24 “'with the horizontally extending clamping strips 25 of the receiving device are connected.
  • the individual rows of heating elements are according to in the present embodiment, in each case on a grid 26, 26 ', 26 ", 26 “'and another grid 27.
  • the grids 26, 26', 26", 26 "' connects the heating elements on one side like a ribbon. That up the grating 27 arranged on the opposite side of the heating element electrically connected to the frame 28 of the receiving device and closes via the contact point 31, the circuit between a voltage source (not shown) and the heating elements 23rd
  • the outer receptacle is essentially divided into two frame members 25, 28, wherein the first frame member 28 is designed substantially U-shaped and made of a conductive material is made.
  • the receiving device is at least delimited in one direction by the frame member 25 at which For example, the contact strip and the contact points 24, 24 ', 24 ", 24 '"for the individual Schuelement Horn 26, 26', 26", 26 "'are arranged.
  • Fig. 2b shows the side view of the heat exchanger assembly with a receiving device from Fig. 2a, wherein in addition to the contact points 31 and the Lead 29 is substantially the frame member 28 can be seen, which due to the chosen embodiment and the use of a grid has a small depth.
  • the depth b 1 to 15 mm, preferably 2 to 10 mm and especially between 3 to 8 mm.
  • the heat exchanger assembly is in one Flow channel arranged such that, as symbolized by the arrow 30, the main flow direction of the medium flowing through vertically passes through the plane of the heat exchanger.
  • Fig. 2c shows a perspective view of the heat exchanger assembly as shown in FIG. 2a.
  • the heating elements 23, the grille 26, 26 ', 26 ", 26'" and 27 and the receiving device 22 substantially arranged in a plane that is substantially in depth is determined by the depth of the receiving device 22.
  • the connection the Schuelement Horn, the contact strip 25 and the receiving device takes place according to the present embodiment by means of a Screw connection or other suitable fastening means.
  • the conductive connection of the heating elements with the grids 26, 26 ', 26 ", 26"' and 27 takes place according to the present embodiment by gluing of the components together.
  • a silicone adhesive is preferred used, which allows, on the one hand, through the surfaces of the components fixed contact and on the other hand the line of thermal and electrical energy.
  • Fig. 3a shows a further embodiment of a heat exchanger assembly with a receiving device, which also consists of the basic elements a first receiving frame 48, consisting of three individual elements 45 ', 48, 48 ', which is designed substantially U-shaped, and another Frame unit 45, which as a contact strip for the contact points of the heating element rows 44, 44 ', 44 ", 44"' is executed.
  • a receiving device which also consists of the basic elements a first receiving frame 48, consisting of three individual elements 45 ', 48, 48 ', which is designed substantially U-shaped, and another Frame unit 45, which as a contact strip for the contact points of the heating element rows 44, 44 ', 44 ", 44"' is executed.
  • Fig. 3a heating elements divided into individual rows, which are between two bars 46, 46 ', 46 ", 46"' and 47 are arranged.
  • the gratings 46, 46 ', 46 ", 46"' connects the heating elements with the contact point, which at the contact strip is arranged and substantially band-shaped from the lower region the heat exchanger assembly extends to the contact strip. This opposite a flat-extending grid 47 is arranged, which, like previously described, the heating elements with the U-shaped frame member the recording device connects. On the grid 47 are the individual rows of heating elements, which in groups separated at the Contact strip 45 are attached, via which the contact point 51 with a Power source (not shown) connected.
  • the heating elements are not vertical arranged to the main flow direction of the air, but in one predetermined angle with respect to the same.
  • this angle ⁇ results from the main flow direction of the medium 50 and spanned by the heating element Level.
  • the angle is according to the present embodiment between 15 and 90 degrees, preferably between 25 and 75 degrees and especially preferably between 35 and 50 degrees.
  • the representation 3 c further shows the contact points for the heating elements 44, 44 ', 44 ", 44'” with the frame of the receiving device, wherein according to the present embodiment, in particular an electrically conductive connection between the frame members and the power source by a screw connection is reached.
  • the contact strip 45 is designed in the manner that the individual heating rows together via the terminal 49 and 52 are connected to the power source.
  • the electrical separation of Contact strip 45 with the frame legs 48 and 48 ' is effected by an electrical insulating medium, which for example between the surfaces the frame leg is arranged.
  • FIG. 3b shows the side view of the heat exchanger assembly of the Fig. 3a, wherein in addition to the electrical lines 49 and the contact point 44, the frame member 48 and parts of the heat exchanger grille 46 to recognize.
  • FIG. 3d shows the perspective view of a heat exchanger assembly, FIG. whose heating elements at the predetermined angle in With respect to the flow direction of the air are arranged.
  • the two Frame members 45, 45 'of the receiving device are each predetermined Angle of the heating elements adapted and show an approximate Wavy basic structure, the section perpendicular to the Main flow direction is arranged.
  • the connection of the frame elements takes place according to the present embodiment by means of Screw, wherein the contact strip 45 is designed so that no electric current between the frame member 45 and the frame members 41, 44 is conducted.
  • the heating elements are arranged between the band-like grid 46 and the grid 47, through the use of a silicone adhesive connected so that the line of electrical and thermal energy between the adjacent surfaces the heating element and the cooling grid in a predetermined extent he follows.

Landscapes

  • Air-Conditioning For Vehicles (AREA)
  • Hybrid Cells (AREA)
  • Secondary Cells (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Claims (17)

  1. Dispositif pour l'échange de chaleur, en particulier pour un véhicule automobile, comprenant au moins un ensemble (21) formant l'échangeur de chaleur, où cet ensemble formant l'échangeur de chaleur présente au moins un premier composant (23) qui est relié à une source de courant électrique et dont la température se modifie en fonction d'un courant électrique traversant le composant, et au moins un deuxième composant (26 ; 27) pour l'échange de chaleur avec le milieu entourant l'ensemble formant l'échangeur de chaleur et où l'ensemble formant l'échangeur de chaleur est disposé dans un dispositif de logement où au moins le premier composant et un deuxième composant de l'ensemble formant l'échangeur de chaleur sont au contact l'un de l'autre, et le contact entre les composants favorise l'échange d'énergie thermique et/ou électrique,
    caractérisé en ce que le deuxième composant (26, 27) de l'ensemble formant l'échangeur de chaleur est une grille.
  2. Dispositif selon la revendication 1, caractérisé en ce que la grille est fabriquée dans des matériaux métalliques et/ou synthétiques.
  3. Dispositif pour l'échange de chaleur selon au moins l'une des deux revendications précédentes, caractérisé en ce qu'il est prévu un troisième composant qui relie, l'un à l'autre, au moins deux composants de l'ensemble formant l'échangeur de chaleur, de manière telle que l'on puisse à la fois définir une position prédéterminée des composants, les uns par rapport aux autres, et obtenir, suivant une importance prédéterminée, un transfert d'énergie électrique et/ou thermique.
  4. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le troisième composant est un élément d'assemblage, en particulier une colle, un cordon de soudure ou un point de brasage.
  5. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le troisième composant est un élément de fixation mécanique, en particulier un élément d'assemblage par frottement et/ou par sûreté de forme.
  6. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le premier composant de l'ensemble (23) formant l'échangeur de chaleur est disposé en formant un angle prédéterminé (α) par rapport à la direction principale d'écoulement du milieu environnant.
  7. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que l'orientation du premier composant (23), par rapport au milieu environnant, est déterminée en particulier en fonction du transfert de chaleur prédéterminé et/ou de la chute de pression du milieu environnant.
  8. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le premier composant de l'ensemble (23) formant l'échangeur de chaleur est un élément chauffant ayant un coefficient de température positif (élément chauffant CTP).
  9. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le deuxième composant (26, 27) sert à réaliser une connexion électrique entre le premier composant et une source de tension.
  10. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le premier composant de l'ensemble (23) formant l'échangeur de chaleur est disposé entre des deuxièmes composants (26, 26', 26", 26"', 27) placés les uns en face des autres par groupes de deux.
  11. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que l'agencement des composants, les uns par rapport autres, est choisi de manière telle, que la connexion électrique est réalisée entre le premier composant et la source de tension en ayant un nombre de points de contact (24, 31) le plus faible possible.
  12. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que l'ensemble formant l'échangeur de chaleur présente un dispositif de logement en forme de cadre qui présente au moins deux côtés latéraux (48, 48') et au moins un côté de cadre supérieur et inférieur (45, 45') qui sont disposés en formant, l'un par rapport à l'autre, un angle prédéterminé, les ensembles formant l'échangeur de chaleur étant maintenus par la surface développée par les côtés du cadre.
  13. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce qu'un contact électriquement conducteur est créé au moins entre un côté du cadre (45, 45', 48, 48') et un deuxième composant (43, 46).
  14. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un côté du cadre n'est conducteur d'aucune énergie électrique.
  15. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, où le deuxième composant peut être divisé en une multiplicité de zones de chauffage indépendantes, de façon avantageuse en deux, trois, quatre, cinq, six zones ou plus.
  16. Dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes, où le deuxième composant peut être divisé en sections contrôlables de façon indépendante, sections qui sont à chaque fois réglables ou contrôlables selon un processus à action progressive ou à plusieurs étages.
  17. Dispositif pour le chauffage de l'air, en particulier pour des véhicules automobiles, comprenant des trajectoires d'écoulement d'air, des éléments de commande de l'écoulement d'air et au moins un dispositif d'alimentation en air, et un carter qui est conçu pour le logement d'au moins un dispositif pour l'échange de chaleur selon au moins l'une quelconque des revendications précédentes ou à l'intérieur duquel est disposé un tel dispositif pour l'échange de chaleur.
EP02291813A 2002-07-18 2002-07-18 Echangeur de chaleur Expired - Lifetime EP1382470B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP02291813A EP1382470B1 (fr) 2002-07-18 2002-07-18 Echangeur de chaleur
AT02291813T ATE302125T1 (de) 2002-07-18 2002-07-18 Vorrichtung zum austausch von wärme
DE50203958T DE50203958D1 (de) 2002-07-18 2002-07-18 Vorrichtung zum Austausch von Wärme
ES02291813T ES2250602T3 (es) 2002-07-18 2002-07-18 Dispositivo para el intercambio de calor.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02291813A EP1382470B1 (fr) 2002-07-18 2002-07-18 Echangeur de chaleur

Publications (2)

Publication Number Publication Date
EP1382470A1 EP1382470A1 (fr) 2004-01-21
EP1382470B1 true EP1382470B1 (fr) 2005-08-17

Family

ID=29762724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02291813A Expired - Lifetime EP1382470B1 (fr) 2002-07-18 2002-07-18 Echangeur de chaleur

Country Status (4)

Country Link
EP (1) EP1382470B1 (fr)
AT (1) ATE302125T1 (fr)
DE (1) DE50203958D1 (fr)
ES (1) ES2250602T3 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471034A (en) * 1993-03-17 1995-11-28 Texas Instruments Incorporated Heater apparatus and process for heating a fluid stream with PTC heating elements electrically connected in series
DE4321474C2 (de) * 1993-06-28 1996-05-23 Ruthenberg Gmbh Waermetechnik Flächenheizelement
DE4434613A1 (de) * 1994-09-28 1996-04-04 Behr Gmbh & Co Elektrische Heizeinrichtung, insbesondere für ein Kraftfahrzeug
DE19911547C5 (de) * 1999-03-16 2005-12-01 Behr Gmbh & Co. Kg Elektrische Heizeinrichtung für ein Kraftfahrzeug

Also Published As

Publication number Publication date
ATE302125T1 (de) 2005-09-15
ES2250602T3 (es) 2006-04-16
EP1382470A1 (fr) 2004-01-21
DE50203958D1 (de) 2005-09-22

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