EP2840329B1 - Dispositif de chauffage et procédé de montage associé - Google Patents

Dispositif de chauffage et procédé de montage associé Download PDF

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Publication number
EP2840329B1
EP2840329B1 EP14425092.5A EP14425092A EP2840329B1 EP 2840329 B1 EP2840329 B1 EP 2840329B1 EP 14425092 A EP14425092 A EP 14425092A EP 2840329 B1 EP2840329 B1 EP 2840329B1
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EP
European Patent Office
Prior art keywords
longitudinal
containment tube
plate
springs
heating device
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Application number
EP14425092.5A
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German (de)
English (en)
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EP2840329A1 (fr
Inventor
Emiliano COCCIA
Fabrizio Promutico
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Bitron SpA
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Bitron SpA
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Publication of EP2840329A1 publication Critical patent/EP2840329A1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F24H3/0435—Structures comprising heat spreading elements in the form of fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0429—For vehicles
    • F24H3/0452—Frame constructions
    • F24H3/0476—Means for putting the electric heaters in the frame under strain, e.g. with springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • F24H9/1872—PTC resistor
    • 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
    • H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
    • H05B2203/016—Heaters using particular connecting means
    • 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
    • H05B2203/017—Manufacturing methods or apparatus for heaters
    • 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
    • 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
    • H05B2203/022—Heaters specially adapted for heating gaseous material
    • H05B2203/023—Heaters of the type used for electrically heating the air blown in a vehicle compartment by the vehicle heating system

Definitions

  • the present invention relates to a heating device, in particular for heating the passenger compartment of an automobile, and mounting method of said device.
  • the invention concerns a heating device, or heater, for the passenger compartment of an automobile, studied and realized in particular to allow a high operating efficiency and an optimized construction.
  • heating devices are installed in the passenger compartments of the cars, suitable to allow an immediate early heating of the passenger compartment.
  • the electric energy absorbed by the heater is converted into heat in its turn used to ensure greater comfort to the users of vehicle.
  • the air flow through the heater cooling the radiant mass, heated, typically, by PTC (Positive Temperature Coefficient) pads, reaches the air vents on the car dashboard with a temperature of 10-15 °C higher than that of the environment.
  • heating devices according to the prior art are given by the patent applications DE 102007032 896 A and FR2826829 .
  • the described heating devices have construction problems for industrial production, as they have complications in the arrangement of the electrode-PTC pads assembly.
  • a heating device connectable to a power supply, comprising a support frame, one or more radiating elements, each comprising a containment tube, having an inner surface, said containment tube being capable to operate as an electrode and being connectable to said power supply, a longitudinal housing, made of insulating material, arranged within said containment tube, open at the top and having a lower base, a longitudinal electrode, connectable to said power supply and arranged within said longitudinal housing, so as to be isolated from said containment tube, heat generating means, as one or more PTC (Positive Temperature Coefficient) elements, each one inserted in said containment tube and arranged between, and in contact with, said longitudinal electrode and said containment tube, so that, by applying an electric current between said containment tube and said longitudinal electrode, said heat generating means generate heat, compression means, located in said longitudinal housing, interposed between said longitudinal housing and said longitudinal electrode, and one or more dissipation fins arranged in said support frame, suitable to dissipate the heat
  • said seats of said longitudinal housing could have the side wall intended to interfere with said tabs or springs when said plate passes from said rest position to said operative position.
  • said seats could be defined by a lateral wall, which is inclined with respect to said base and intended to interfere with said tabs or springs when said plate passes from said rest position to said operative position, by a bottom wall, and a horizontal wall, facing said lower wall, so that its tab or spring inserted in the respective is at least partially inserted between said lower wall and said horizontal wall, when said plate is in said rest position.
  • said radiating element could comprise a plurality of separating elements, made of plastic material, which are co-molded together with said longitudinal electrode and said plate, and spaced each other so as to allow the arrangement between each pair of them of said heat generating means.
  • said support frame could comprise a first support and a second support coupled with said first support, said fins being arranged between the first support and said second support, and an electrical connector, connectable to a power supply of the automobile, in which said heating device is installed, said longitudinal electrodes and said containment tube being electrically connected to said electrical connector.
  • said longitudinal electrodes could be connected to a first polarity, preferably the positive polarity of said power supply, and said containment tubes could be connected to a second polarity, opposite to said first polarity, preferably the negative polarity of said power supply.
  • said step (C) comprises the substeps of: (C1) placing said plate and said longitudinal electrode in said longitudinal housing, so that said springs or tabs are each placed in a respective seat of said base of said longitudinal housing and maintained in the mounting position by said horizontal wall and said lower wall; (C2) arranging said heat generating means in contact with said longitudinal electrode; (C3) inserting said longitudinal housing in said containment tube, and (C4) applying a longitudinal movement along a first direction (A) to said plate, so as to cause the passage of said plate from said rest position to said operative position, wherein said tabs or springs are extracted from said seats and are compressed along said inclined lateral wall, such that said heat generating means, only by vertical movement, are kept in thermal and electrical contact with said inner surface of said containment tube, in which they are inserted, by means of the force exerted by said tabs or springs, thus avoiding the sliding with said containment tube and said electrode.
  • said step (C1) includes the following substep: co-molding said separating elements with said longitudinal electrode and said plate, said separating elements being spaced each other so as to allow the arrangement between each pair of them, of said heat generating means.
  • a heating device 1 according to an embodiment of the present invention can be seen.
  • Said heating device 1 comprises a support frame 2, one or more radiating elements or bars 3, installed on said support frame 2, and a plurality of dissipation fins 4 in thermal contact with said radiating bars 3, as will be better described in the following.
  • Said support frame 2 comprises a first support 21 and a second support 22 coupled together, and an electrical connector 23, connectable to a plug of the car, in which said heating device 1 is installed.
  • Said radiating bars 3, which in this embodiment are three, are arranged to generate heat, which is radiated from the dissipation fins 4, contained between said first support 21 and said second support 22 of the frame 2.
  • Said radiating bars 3 also comprise a containment tube 31, hollow inside and made of a material capable of conducting heat and electric current, so that said containment tube 31 can also operate as electric terminal, and a longitudinal housing 32, arranged within said containment tube 31.
  • Said longitudinal housing 32 is upwardly open and has a plurality of seats 32' obtained on the surface of said base 32", the function of which will be better clarified in the following.
  • Said radiating bars comprise 3 inside a longitudinal electrode 33 having a terminal 33', which protrudes from said containment tube 31 when it is inserted into it.
  • Said longitudinal electrode 33 is arranged so as not to come into contact with said containment tube 31, and it is connected with said connector 23.
  • said radiating bars 3 comprise a plurality of PTC (Positive Temperature Coefficient) elements 34, which pads are made of ceramic, arranged in series to one another, and a plate 35, on which a plurality of compression means or springs 35' are obtained by carving, each made in the form of resilient tongues, said plate 35 being arranged between said longitudinal electrode 33 and the base of said longitudinal housing 32.
  • PTC Physical Temperature Coefficient
  • the radiating tubes 31, which, as said, also operate as electrical terminals, are connected to a power supply polarity of said car, while the terminals 33' of each electrode 33 of the longitudinal radiating bars 3, which, as said, is isolated from the containment tube 31 due to the longitudinal housing 32, in which it is placed, are connected to the other power supply polarity.
  • PTC elements 34 each act as electrical resistance to the passage of the current, so as to generate heat that is transmitted to said containment tubes 31, which are also thermally conductive, and from the latter to said dissipation fins 4 which dissipate it.
  • the electrical circuit is just closed with said PTC elements 34 in contact with the containment tube 31, which as said are connected to a power supply polarity of said car.
  • the heat produced by said PTC elements 34 is dissipated by the dissipation fins 4 and is conveyed inside the passenger car possibly by means of a fan, so that the air flow passes through said dissipation fins 4, thus warming.
  • a first assembly step (not shown in the figures) is to place and to fix the radiating tubes 31 through the fins 4.
  • fins 4 are mutually stacked and have holes through which passes a containment tube 31.
  • Each containment tube 31 is expanded mechanically, by means of an ogive or similar means, so as to adhere the dissipation fins 4 to the containment tube 31. In this way, a mechanical interference between the containment tube 31 and the dissipation fins 4, which ensures mechanical connection, is obtained.
  • each radiating element 3 the respective longitudinal terminal 33 and the respective plate 35 are moved or shifted in the direction indicated by arrow A.
  • This causes the longitudinal translation of the plate 35 relative to the longitudinal housing 32, which then passes from a rest position (springs not compressed) to an operative position and then the simultaneous extraction of each spring 35' from the respective seat 32', which follows the path marked by the arrow C, with its consequent compression and the lifting, in the direction of arrow B, of the plate 35, the electrode 33 and, therefore, the PTC elements 34, thus guaranteeing a correct pressure between each PTC element 34 and the inner surface of said containment tube 31.
  • Said seats 32' are identified by a lateral wall 32''', inclined with respect to said base 32" and intended to interfere with said tongues or springs 35', when the plate 35 moves from said rest position to said operative position, so as to facilitate said passage, by a lower wall 32 V and by a horizontal wall 32 IV , facing said lower wall 32 V , so that the tongue or spring 35' inserted in the respective 32' is at least partially inserted between said lower wall 32 V and said horizontal wall 32 IV , when said plate 35 is in said rest position.
  • Figures 13-15 show the structure, operation, and the assembly steps of a second embodiment of the heating device 1 according to the present invention.
  • said radiating element 3 comprises separator elements 36, made of plastic material, which are co-molded together with said longitudinal electrode 33 and said plate 35 and spaced so as to allow the arrangement between each pair of them, of a PTC element 34.
  • the assembly comolded between said longitudinal electrode 33, said plate 35 and said separator elements 36 is coupled with the longitudinal support 32 and then the PTC elements 34 are inserted, each one between a pair of separator elements 36, so as to remain spaced one from the other.
  • An advantage of the present invention is, from one side, the fact that in the assembly steps, there are no elements or springs that are preloaded, thus avoiding any construction and execution problems, and on the other side, the fact that the parts that compose it are less complex.

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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)
  • Resistance Heating (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Claims (8)

  1. Dispositif de chauffage (1) qui peut être connecté à une alimentation électrique, comprenant :
    un châssis de support (2), un ou plusieurs éléments radiants (3), chacun comprenant un tube de confinement (31) ayant une surface interne, ledit tube de confinement (31) étant capable de fonctionner comme électrode et pouvant être connecté à ladite alimentation électrique ;
    un boîtier longitudinal (32) constitué d'un matériau isolant et aménagé dans ledit tube de confinement (31), ouvert dans la partie supérieure et présentant une base inférieure (32"),
    une électrode longitudinale (33) qui peut être connectée à ladite alimentation électrique et est aménagée dans ledit boîtier longitudinal (32) de manière à être isolée dudit tube de confinement (31),
    des moyens générateurs de chaleur (34), tels qu'un ou plusieurs éléments PTC (à coefficient de température positif), chacun inséré dans ledit tube de confinement (31) et aménagé entre ladite électrode longitudinale (33) et ledit tube de confinement (31) et en contact avec eux de sorte que, en appliquant un courant électrique entre ledit tube de confinement (31) et ladite électrode longitudinale (33), lesdits moyens générateurs de chaleur (34) génèrent de la chaleur,
    des moyens de compression (35) situés dans ledit boîtier longitudinal (32) et
    intercalés entre ledit boîtier longitudinal (32) et ladite électrode longitudinale (33), et
    une ou plusieurs ailettes de dissipation (4) aménagées dans ledit châssis de support (2), convenant pour dissiper la chaleur générée par lesdits éléments radiants (3),
    caractérisé en ce que :
    ledit boîtier longitudinal (32) comprend une pluralité de sièges (32') sur ladite base (32") et
    lesdits moyens de compression comprennent une plaque (35) sur laquelle sont obtenus une pluralité de languettes ou de ressorts (35'), chacun(e) pouvant être inséré(e) dans un siège respectif (32') dudit boîtier longitudinal (32), ladite plaque (35) étant capable d'assumer une position de repos, dans laquelle lesdites languettes ou lesdits ressorts (35') sont insérés dans lesdits sièges (32'), et une position de fonctionnement, dans laquelle ladite plaque (35) est déplacée longitudinalement par rapport audit boîtier longitudinal (32) de sorte que lesdites languettes ou lesdits ressorts (35') soient sous compression, en sorte que lesdits moyens générateurs de chaleur (34) soient maintenus en contact thermique et électrique avec ladite surface interne dudit tube de confinement (31) dans lequel ils sont insérés, au moyen de la force exercée par lesdites languettes ou lesdits ressorts (35').
  2. Dispositif de chauffage (1) selon la revendication 1, caractérisé en ce que lesdits sièges (32') dudit boîtier longitudinal (32) ont la paroi latérale qui est destinée à interférer avec lesdites languettes ou lesdits ressorts (35') lorsque ladite plaque (35) passe de ladite position de repos à ladite position de fonctionnement.
  3. Dispositif de chauffage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdits sièges (32') sont définis par une paroi latérale (32'''), qui est inclinée par rapport à ladite base (32") et destinée à interférer avec lesdites languettes ou lesdits ressorts (35') lorsque ladite plaque (35) passe de ladite position de repos à ladite position de fonctionnement, par une paroi inférieure (32 V) et une paroi horizontale (32 IV), en regard de ladite paroi inférieure (32 V) de sorte que sa languette ou son ressort (35') inséré(e) dans le respectif (32') soit au moins en partie inséré(e) entre ladite paroi inférieure (32 V) et ladite paroi horizontale (32 IV) lorsque ladite plaque (35) se trouve dans ladite position de repos.
  4. Dispositif de chauffage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdits éléments radiants (3) comprennent une pluralité d'éléments de séparation (36) constitués d'une matière plastique, qui sont conjointement moulés avec ladite électrode longitudinale (33) et ladite plaque (35), et espacés l'un de l'autre de manière à permettre l'aménagement desdits moyens générateurs de chaleur (34) entre chaque paire d'entre eux.
  5. Dispositif de chauffage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit châssis de support (2) comprend un premier support (21) et un second support (22) couplé audit premier support (21), lesdites ailettes (4) étant aménagées entre le premier support (21) et ledit second support (22) et un connecteur électrique (23) qui peut être connecté à une alimentation électrique de l'automobile, lesdites électrodes longitudinales (33) et ledit tube de confinement (31) étant connectés électriquement audit connecteur électrique (23).
  6. Dispositif de chauffage (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdites électrodes longitudinales (33) sont connectées à une première polarité, de préférence la polarité positive de ladite alimentation électrique, et
    lesdits tubes de confinement (31) sont connectés à une seconde polarité opposée à ladite première polarité, de préférence à la polarité négative de ladite alimentation électrique.
  7. Procédé de montage d'un dispositif de chauffage (1) selon l'une quelconque des revendications 1 à 6, comprenant les étapes suivantes consistant à :
    (A) insérer ledit tube de confinement (31) à travers lesdites ailettes de dissipation (4) ;
    (B) fixer lesdites ailettes de dissipation (4) audit tube de confinement (31) ; et
    (C) assembler lesdits éléments radiants (3, 3A) ;
    caractérisé en ce que ladite étape (C) comprend les sous-étapes consistant à :
    (C1) placer ladite plaque (35) et ladite électrode longitudinale (33) dans ledit boîtier longitudinal (32) de sorte que lesdits ressorts ou lesdites languettes (35') soient chacun(e) placé(e)s dans un siège respectif (32') de ladite base (32''') dudit boîtier longitudinal (32) et maintenu(e)s dans la position de montage par ladite paroi horizontale (32 IV) et ladite paroi inférieure (32 V) ;
    (C2) aménager lesdits moyens générateurs de chaleur (34) en contact avec ladite électrode longitudinale (33) ;
    (C3) insérer ledit boîtier longitudinal (32) dans ledit tube de confinement (31) et
    (C4) appliquer un mouvement longitudinal dans une première direction (A) à ladite plaque (34) de manière à amener le passage de ladite plaque (35) de ladite position de repos à ladite position de fonctionnement, dans lequel lesdites languettes ou lesdits ressorts (35') sont extrait(e)s desdits sièges (32") et sont comprimé(e)s le long de ladite paroi latérale inclinée (32"') de sorte que lesdits moyens générateurs de chaleur (34) soient maintenus, uniquement par un mouvement vertical, en contact thermique et électrique avec ladite surface interne dudit tube de confinement (31), dans lequel ils sont insérés, au moyen de la force exercée par lesdites languettes ou lesdits ressorts (35'), évitant de la sorte le coulissement avec le tube de confinement (31) et ladite électrode (33).
  8. Procédé selon la revendication 7, caractérisé en ce que ladite étape (C1) comprend la sous-étape suivante consistant à :
    - mouler conjointement lesdits éléments de séparation (36) avec ladite électrode longitudinale (33) et ladite plaque (35), lesdits éléments de séparation (36) étant espacés l'un de l'autre de manière à permettre l'aménagement desdits moyens générateurs de chaleur (34) entre chaque paire de ceux-ci.
EP14425092.5A 2013-07-26 2014-07-07 Dispositif de chauffage et procédé de montage associé Active EP2840329B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000440A ITRM20130440A1 (it) 2013-07-26 2013-07-26 Dispositivo di riscaldamento, in particolare per il riscaldamento dello abitacolo di una automobile, e metodo di montaggio di detto dispositivo.

Publications (2)

Publication Number Publication Date
EP2840329A1 EP2840329A1 (fr) 2015-02-25
EP2840329B1 true EP2840329B1 (fr) 2016-09-07

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IT (1) ITRM20130440A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6982390B2 (ja) * 2016-12-13 2021-12-17 株式会社日本クライメイトシステムズ 車両用空調装置の電気式ヒータの製造方法
FR3073039B1 (fr) * 2017-10-30 2020-07-24 Valeo Systemes Thermiques Plaque d'isolant electrique a reliefs de reception d'une electrode et de corps de chauffe pour module de chauffage de dispositif de chauffage pour vehicule automobile
DE102021112603A1 (de) * 2021-05-14 2022-11-17 Stego-Holding Gmbh Heizeinrichtung und Verfahren zur Herstellung einer Heizeinrichtung
USD1040977S1 (en) 2021-11-04 2024-09-03 Stego-Holding Gmbh Convector

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2793546B1 (fr) * 1999-05-14 2001-08-03 Valeo Climatisation Echangeur de chaleur mixte eau/air et electrique
FR2826829B1 (fr) * 2001-06-27 2004-04-02 Valeo Climatisation Echangeur de chaleur a barreaux chauffants contenant des elements resistifs
DE10216157A1 (de) * 2002-04-12 2003-10-23 Behr Gmbh & Co Zu Heizzwecken dienender Wärmeübertrager mit elektrischer Heizeinrichtung
JP2007118779A (ja) * 2005-10-28 2007-05-17 Calsonic Kansei Corp ヒータ構造
DE102007032896A1 (de) 2006-08-22 2008-03-13 Modine Korea Llc., Asan Stabanordnung mit PTC-Vorrichtungen und diese enthaltender Vorwärmer

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ITRM20130440A1 (it) 2015-01-27
EP2840329A1 (fr) 2015-02-25

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