EP1417863A1 - Electric heating unit housed in a calorie accumulator block - Google Patents

Electric heating unit housed in a calorie accumulator block

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Publication number
EP1417863A1
EP1417863A1 EP02794815A EP02794815A EP1417863A1 EP 1417863 A1 EP1417863 A1 EP 1417863A1 EP 02794815 A EP02794815 A EP 02794815A EP 02794815 A EP02794815 A EP 02794815A EP 1417863 A1 EP1417863 A1 EP 1417863A1
Authority
EP
European Patent Office
Prior art keywords
heating body
body according
accumulator block
flat
resistor
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
Application number
EP02794815A
Other languages
German (de)
French (fr)
Other versions
EP1417863B1 (en
Inventor
Bernard Peyronny
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Individual
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Individual
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Filing date
Publication date
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Publication of EP1417863A1 publication Critical patent/EP1417863A1/en
Application granted granted Critical
Publication of EP1417863B1 publication Critical patent/EP1417863B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
    • F24H7/002—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using electrical energy supply
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/26—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor mounted on insulating base
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • H05B3/283—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material the insulating material being an inorganic material, e.g. ceramic
    • 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
    • H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
    • H05B3/22—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
    • H05B3/28—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material
    • H05B3/30—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor embedded in insulating material on or between metallic plates
    • 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
    • H05B2203/002—Heaters using a particular layout for the resistive material or resistive elements
    • H05B2203/003—Heaters using a particular layout for the resistive material or resistive elements using serpentine layout

Definitions

  • the present invention relates to an electric heating body embedded in a calorie accumulator block.
  • Electric heaters are generally radiators made of a sheet steel casing, provided with an air inlet and outlet and containing a simple resistance.
  • the regulation is ensured in most cases by a thermostat integrated in the device, more rarely by a more advanced system which can include zone thermostats, an external thermostat and possibly a programmer or a load shedding system.
  • Patent No. 2,721,472 filed on 15/06/1994 by the same inventor, describes an electric heating device consisting of an envelope metallic or not containing at its lower part a heating body consisting of an armored resistor (resistive wire trapped in an insulator and in a metal tube) embedded in a metallic mass of light alloy, this heating body being kept away from the enclosure by spacers so that the metal block is entirely surrounded by an air mattress, the regulation of the system being effected by an electronic assembly acting by cutting the supply for a variable period of time during a cycle of the order of a few seconds.
  • an electric heating device consisting of an envelope metallic or not containing at its lower part a heating body consisting of an armored resistor (resistive wire trapped in an insulator and in a metal tube) embedded in a metallic mass of light alloy, this heating body being kept away from the enclosure by spacers so that the metal block is entirely surrounded by an air mattress, the regulation of the system being effected by an electronic assembly acting by cutting the supply for
  • This device makes it possible to produce electric radiators in which the temperature of the heat source varies very slightly. These devices also have the advantage of accumulating thermal energy without having the bulk of the usual storage systems, which makes it possible, for example, to house them in communication doors.
  • the device according to the present invention consists in an improvement of the heating body described in the cited patent, and has for main object to allow a reduction of the manufacturing costs by the implementation of proven techniques derived from those already used in various application 'such as small appliances (iron, hair dryer, etc.).
  • It consists of an accumulator block of light alloy, cast iron, ceramic or other trapping a flat resistor placed between two sheets of high temperature insulation and formed of a stamped resistive plate or a ribbon wound on an insulating support .
  • Figures 1 and 2 are partial views showing two planar resistance variants
  • Figure 3 is a cross section of an accumulator block consisting of a metal profile
  • Figure 4 is a cross section of a heating body formed by the assembly of two plates trapping a planar resistance
  • FIG. 5 is an enlargement of detail D of FIG. 4
  • FIG. 6 schematically represents a radiator seen in section equipped with a heating body
  • Figures 7 and 8 are cross sections of an accumulator block consisting of a metal profile having fins for heat diffusion.
  • the device consists of an insulated flat resistor 1 inserted in an accumulator block 2 capable of storing calories.
  • Resistor 1 consists of an elongated element of resistive material in the form of a resistive tape 3 wound on a flat insulating support 4 ( Figure 1) or a stamped plate 5 cut to form a series of meanders ( Figure 2 ).
  • This resistance is sandwiched between two insulating sheets 6, 7 resistant to high temperatures made of mica composite or any other material having good heat resistance.
  • additional high temperature insulation 8 will be placed on each side of the flat resistance 1 which is already insulated per se.
  • the latter will advantageously consist of two sheets projecting from the assembly formed by the main insulation and the resistive element, the edges of these sheets being pressed against each other by so as to form a closed envelope ( Figure 5).
  • connection wires 9, 10 could have double insulation.
  • the accumulator block 2 is preferably made of a light alloy based on aluminum, but it can be made of cast iron, ceramic or another material capable of storing heat. It can be extruded (case of aluminum) and machined to form a hollow metal profile 2 '( Figure 3). In order to improve the diffusion of heat, the external walls of the profile will advantageously be structured in fins 15 ( Figures 7 and 8). .
  • the accumulator block 2 can also consist of two metal plates 11, 12 assembled by clips, by screwing or by riveting, the flat resistance 1 being sandwiched between these two plates.
  • planar resistor 1 can be molded from a mass of aluminum or cast iron (mass molding by gravity), but this is a more delicate technique to implement.
  • the heating body 2 assembly is impervious to water splashes. Sealing can be achieved by one or two seals 13 placed at the interface of the two metal plates 11, 12.

Abstract

The invention relates to an electric heating unit which is housed in a calorie accumulator block. The invention comprises an accumulator block (2) which is made from light alloy, cast iron, ceramic or another material. Said block houses a flat resistor (1) which is disposed between two high-temperature insulating sheets (6, 7) and which comprises a dished resistive plate or a tape wound on a flat insulating support. In general terms, the invention relates to the industrial and commercial field for the production and distribution of basic and auxiliary heating devices that are intended for all types of locations, such as dwellings, houses, offices, shops and other private or professional locations.

Description

CORPS DE CHAUFFE ÉLECTRIQUE NOYÉ DANS UN BLOC ACCUMULATEUR DE CALORIES ELECTRIC HEATER BODY WALLED INTO A CALORIES ACCUMULATOR BLOCK
La présente invention a pour objet un corps de chauffe électrique noyé dans un bloc accumulateur de calories.The present invention relates to an electric heating body embedded in a calorie accumulator block.
Il concerne d'une manière générale le domaine industriel et commercial de la fabrication et de la diffusion d'appareils de chauffage de base ou d'appoint destinés aux locaux de tous types, tels que logements, villas, bureaux, magasins ou autres locaux particuliers ou professionnels.It generally concerns the industrial and commercial field of manufacturing and distribution of basic or auxiliary heating devices intended for premises of all types, such as housing, villas, offices, shops or other specific premises or professionals.
Aujourd'hui, en particulier pour les locaux d'habitation et les bureaux, les installations de chauffage central sont de plus en plus abandonnées au profit d'appareils individuels autonomes, en raison des difficultés rencontrées pour contrôler et optimiser la consommation d'énergie dans les installations importantes.Today, especially for living quarters and offices, central heating systems are increasingly abandoned in favor of individual autonomous devices, due to the difficulties encountered in controlling and optimizing energy consumption in important facilities.
Les appareils de chauffage électriques sont en général des radiateurs constitués d'une enveloppe en tôle d'acier, pourvue d'une entrée et d'une sortie d'air et contenant une simple résistance. La régulation est assurée dans la plupart des cas par un thermostat intégré à l'appareil, plus rarement par un système plus évolué pouvant comporter des thermostats de zone, un thermostat extérieur et éventuellement un programmateur ou un système de délestage.Electric heaters are generally radiators made of a sheet steel casing, provided with an air inlet and outlet and containing a simple resistance. The regulation is ensured in most cases by a thermostat integrated in the device, more rarely by a more advanced system which can include zone thermostats, an external thermostat and possibly a programmer or a load shedding system.
La régulation des radiateurs électriques courants s'effectue le plus souvent par tout ou rien entre deux températures voisines ("fourchette"). La source de chaleur est alternativement coupée et froide puis branchée et à sa température maximale. Des études récentes ont montré que l'impression ressentie ne correspond pas à la température moyenne, mais en fait à la température réelle la plus basse. De ce fait, la recherche de confort incite très fréquemment les utilisateurs à régler le thermostat quelques degrés au-dessus de la température souhaitée, ce qui conduit en pratique à un gaspillage d'énergie non négligeable.The regulation of current electric heaters is most often done by all or nothing between two neighboring temperatures ("range"). The heat source is alternately switched off and cold and then connected and at its maximum temperature. Recent studies have shown that the impression felt does not correspond to the average temperature, but in fact to the lowest actual temperature. Therefore, the search for comfort very often encourages users to adjust the thermostat a few degrees above the desired temperature, which in practice leads to a significant waste of energy.
Le brevet N° 2 721 472, déposé le 15/06/1994 par le même inventeur, décrit un appareil de chauffage électrique constitué d'une enveloppe métallique ou non contenant à sa partie inférieure un corps de chauffe constitué d'une résistance blindée (fil .résistif emprisonné dans un isolant et dans un tube métallique) noyée dans une masse métallique d'alliage léger, ce corps de chauffe étant maintenu écarté de l'enceinte par des entretoises de manière à ce que le bloc métallique soit entièrement entouré d'un matelas d'air, la régulation du système s'effectuant par un montage électronique agissant en coupant l'alimentation durant un laps de temps variable au cours d'un cycle de l'ordre de quelques secondes.Patent No. 2,721,472, filed on 15/06/1994 by the same inventor, describes an electric heating device consisting of an envelope metallic or not containing at its lower part a heating body consisting of an armored resistor (resistive wire trapped in an insulator and in a metal tube) embedded in a metallic mass of light alloy, this heating body being kept away from the enclosure by spacers so that the metal block is entirely surrounded by an air mattress, the regulation of the system being effected by an electronic assembly acting by cutting the supply for a variable period of time during a cycle of the order of a few seconds.
Ce dispositif permet de réaliser des radiateurs électriques dans lesquels la température de la source de chaleur varie de façon très peu sensible. Ces appareils présentent en outre l'avantage d'accumuler de l'énergie thermique sans avoir l'encombrement des systèmes à accumulation habituels, ce qui permet par exemple de les loger dans des portes de communication.This device makes it possible to produce electric radiators in which the temperature of the heat source varies very slightly. These devices also have the advantage of accumulating thermal energy without having the bulk of the usual storage systems, which makes it possible, for example, to house them in communication doors.
Le dispositif selon la présente invention consiste en un perfectionne- ment du corps de chauffe décrit dans le brevet cité, et a pour principal objet de permettre une diminution des coûts de fabrication par la mise en oeuvre de techniques éprouvées dérivées de celles déjà employées dans diverses application' telles que le petit électroménager (fer à repasser, sèche cheveux, etc.).The device according to the present invention consists in an improvement of the heating body described in the cited patent, and has for main object to allow a reduction of the manufacturing costs by the implementation of proven techniques derived from those already used in various application 'such as small appliances (iron, hair dryer, etc.).
II est constitué d'un bloc accumulateur en alliage léger, fonte de fer, céramique ou autre emprisonnant une résistance plane disposée entre deux feuilles d'isolant haute température et formée d'une plaque résistive emboutie ou d'un ruban bobiné sur un support isolant.It consists of an accumulator block of light alloy, cast iron, ceramic or other trapping a flat resistor placed between two sheets of high temperature insulation and formed of a stamped resistive plate or a ribbon wound on an insulating support .
Sur les dessins annexés, donnés à titre d'exemples non limitatifs de formes de réalisation de l'objet de l'invention ; les figures 1 et 2 sont des vues partielles représentant deux variantes de résistance planes, la figure 3 est une coupe transversale d'un bloc accumulateur constitué d'un profilé métallique, la figure 4 est une coupe transversale d'un corps de chauffe formé par l'assemblage de deux plaques emprisonnant une résistance plane, la figure 5 est un agrandissement du détail D de la figure 4, la figure 6 représente schématiquement un radiateur vu en coupe équipé d'un corps de chauffe. conforme à l'invention et les figures 7 et 8 sont des coupes transversales d'un bloc accumulateur constitué d'un profilé métallique comportant des ailettes de diffusion de la chaleur.In the accompanying drawings, given by way of nonlimiting examples of embodiments of the subject of the invention; Figures 1 and 2 are partial views showing two planar resistance variants, Figure 3 is a cross section of an accumulator block consisting of a metal profile, Figure 4 is a cross section of a heating body formed by the assembly of two plates trapping a planar resistance, FIG. 5 is an enlargement of detail D of FIG. 4, FIG. 6 schematically represents a radiator seen in section equipped with a heating body . according to the invention and Figures 7 and 8 are cross sections of an accumulator block consisting of a metal profile having fins for heat diffusion.
Le dispositif, figures 1 à 6, est constitué d'une résistance 1 plane isolée insérée dans un bloc accumulateur 2 apte à stocker les calories.The device, Figures 1 to 6, consists of an insulated flat resistor 1 inserted in an accumulator block 2 capable of storing calories.
La résistance 1 consiste en un élément allongé en matériau résistif se présentant sous la forme d'un ruban résistif 3 bobiné sur un support isolant 4 plat (figure 1) ou d'une plaque emboutie 5 découpée pour constituer une série de méandres (figure 2).Resistor 1 consists of an elongated element of resistive material in the form of a resistive tape 3 wound on a flat insulating support 4 (Figure 1) or a stamped plate 5 cut to form a series of meanders (Figure 2 ).
Cette résistance est enserrée entre deux feuilles isolantes 6, 7 résistant aux hautes températures réalisées en composite mica ou tout autre matériau ayant une bonne tenue à la chaleur.This resistance is sandwiched between two insulating sheets 6, 7 resistant to high temperatures made of mica composite or any other material having good heat resistance.
Dans la cas ou une double isolation est nécessaire (radiateurs' classe II), une isolation supplémentaire 8 haute température sera placée de chaque coté de la résistance 1 plane qui est déjà en soi isolée. De façon à obtenir une continuité de l'isolation supplémentaire, cette dernière sera avantageusement constituée de deux feuilles débordant de l'ensemble formé par l'isolation principale et l'élément résistif, les bords de ces feuilles étant plaqués les uns contre les autres de façon à former une enveloppe fermée (figure 5).In the case where double insulation is necessary (radiators ' class II), additional high temperature insulation 8 will be placed on each side of the flat resistance 1 which is already insulated per se. In order to obtain continuity of the additional insulation, the latter will advantageously consist of two sheets projecting from the assembly formed by the main insulation and the resistive element, the edges of these sheets being pressed against each other by so as to form a closed envelope (Figure 5).
De la même façon, les deux fils de connexion 9, 10 pourront avoir une double isolation.In the same way, the two connection wires 9, 10 could have double insulation.
Le bloc accumulateur 2 est de préférence réalisé en alliage léger à base d'aluminium, mais il peut être fabriqué en fonte de fer, en céramique ou dans un autre matériau apte à stocker la chaleur. II peut être extrudé (cas de l'aluminium) et usiné pour former un profilé métallique creux 2' (figure 3). Afin d'améliorer la diffusion de la chaleur, les parois externes du profilé seront avantageusement structurées en ailettes 15 (figures 7 et 8). . Le bloc accumulateur 2 peut également être constitué de deux plaques métalliques 11 , 12 assemblées par clips, par vissage ou par rivetage, la résistance plate 1 étant prise en "sandwich" entre ces deux plaques.The accumulator block 2 is preferably made of a light alloy based on aluminum, but it can be made of cast iron, ceramic or another material capable of storing heat. It can be extruded (case of aluminum) and machined to form a hollow metal profile 2 '(Figure 3). In order to improve the diffusion of heat, the external walls of the profile will advantageously be structured in fins 15 (Figures 7 and 8). . The accumulator block 2 can also consist of two metal plates 11, 12 assembled by clips, by screwing or by riveting, the flat resistance 1 being sandwiched between these two plates.
En variante, la résistance plane 1 peut être moulée dans une masse d'aluminium ou de fonte de fer (moulage de la masse par gravité), mais il s'agit d'une technique plus délicate à mettre en oeuvre.As a variant, the planar resistor 1 can be molded from a mass of aluminum or cast iron (mass molding by gravity), but this is a more delicate technique to implement.
Pour les appareils de classe II il est nécessaire que l'ensemble corps de chauffe 2 soit étanche aux projections d'eau. L'étanchéité pourra être réalisé par un ou deux joints 13 placés à l'interface des deux plaques métalliques 11 , 12.For class II appliances it is necessary that the heating body 2 assembly is impervious to water splashes. Sealing can be achieved by one or two seals 13 placed at the interface of the two metal plates 11, 12.
Le positionnement des divers éléments constitutifs donne à l'objet de l'invention un maximum d'effets utiles qui n'avaient pas été, à ce jour, obtenus par des dispositifs similaires. The positioning of the various constituent elements gives the object of the invention a maximum of useful effects which had not, to date, been obtained by similar devices.

Claims

REVENDICATIONS
1 °. Corps de chauffe électrique noyé dans un bloc accumulateur de calories, destiné à la réalisation d'appareils de chauffage de base ou d'appoint pour locaux de tous types, tels que logements, villas, bureaux, magasins ou autres locaux particuliers ou professionnels, caractérisé en ce qu'il est constitué d'une résistance plane (1) isolée insérée à l'intérieur d'un bloc accumulateur (2, 2') apte à stocker les calories.1 °. Electric heating body embedded in a heat accumulator block, intended for the production of basic or auxiliary heating devices for premises of all types, such as dwellings, villas, offices, shops or other particular or professional premises, characterized in that it consists of an insulated flat resistor (1) inserted inside an accumulator block (2, 2 ') capable of storing calories.
2°. Corps de chauffe selon la revendication 1 , se caractérisant par le fait que le bloc accumulateur est constitué d'un profilé métallique (2') extrudé.2 °. Heating body according to Claim 1, characterized in that the accumulator block consists of an extruded metal profile (2 ').
3°. Corps de chauffe selon la revendication 1 , se caractérisant par le fait que le profilé métallique (2') comporte des parois externes structurées en ailettes (15) de diffusion de la chaleur.3 °. Heating body according to claim 1, characterized in that the metal profile (2 ') has external walls structured as fins (15) for heat diffusion.
4°. Corps de chauffe selon la revendication 1 , se caractérisant par le fait que le bloc accumulateur (2) est constitué de l'assemblage deux plaques métalliques (11 , 12) en alliage léger à base d'aluminium ou en fonte de fer.4 °. Heating body according to claim 1, characterized in that the accumulator block (2) consists of the assembly of two metal plates (11, 12) in light alloy based on aluminum or in cast iron.
5°. Corps de chauffe selon la revendication 1 , se caractérisant par le fait que le bloc accumulateur (2) est constitué de l'assemblage deux plaques (11 , 12) en céramique.5 °. Heating body according to claim 1, characterized in that the accumulator block (2) consists of the assembly of two ceramic plates (11, 12).
6°. Corps de chauffe selon la revendication 1 , se caractérisant par le fait que la résistance plane (1) est moulée dans une masse d'aluminium.6 °. Heating body according to claim 1, characterized in that the planar resistor (1) is molded in a mass of aluminum.
7°. Corps de chauffe selon l'une quelconque des revendications précédentes, se caractérisant par le fait que la résistance plane (1) est constituée d'un élément allongé se présentant sous la forme d'un ruban résistif (3) bobiné sur un support isolant (4) plat. 8°. Corps de chauffe selon l'une quelconque des revendications.1 à 6, se caractérisant par le. fait que la résistance plane (1) est constituée d'un élément allongé en matériau résistif d'une plaque emboutie (5) découpée pour constituer une série de méandres.7 °. Heating body according to any one of the preceding claims, characterized in that the planar resistor (1) consists of an elongated element in the form of a resistive strip (3) wound on an insulating support ( 4) flat. 8 °. Heating body according to any one of Claims 1 to 6, characterized by the. fact that the planar resistor (1) consists of an elongated element of resistive material of a stamped plate (5) cut to form a series of meanders.
9°. Corps de chauffe selon l'une quelconque des revendications précédentes, se caractérisant par le fait que résistance plane (1) disposée entre deux feuilles isolantes (6, 7) résistant aux hautes températures, réalisées en composite mica ou tout autre matériau ayant une bonne tenue à la chaleur.9 °. Heating body according to any one of the preceding claims, characterized in that the flat resistance (1) disposed between two insulating sheets (6, 7) resistant to high temperatures, made of mica composite or any other material having good resistance in the heat.
10°. Corps de chauffe selon l'une quelconque des revendications précédentes, se caractérisant par le fait qu'une isolation supplémentaire (8) haute température est placée de chaque coté de la résistance plane (1) de façon à rendre le dispositif conforme aux dispositions de la classe 11 pour les appareils électriques.10 °. Heating body according to any one of the preceding claims, characterized in that an additional high temperature insulation (8) is placed on each side of the planar resistor (1) so as to make the device conform to the provisions of the class 11 for electrical appliances.
11 °. Corps de chauffe selon la revendication 10, se caractérisant par le fait que l'isolation supplémentaire (8) est constituée de deux feuilles débordant de l'ensemble formé par l'isolation principale et la résistance plane (1), les bords de ces feuilles étant plaqués les uns contre les autres de façon à former une enveloppe fermée. 11 °. Heating body according to claim 10, characterized in that the additional insulation (8) consists of two sheets projecting from the assembly formed by the main insulation and the planar resistor (1), the edges of these sheets being pressed against each other so as to form a closed envelope.
EP02794815A 2001-08-14 2002-08-14 Electric heating unit housed in a calorie accumulator block Expired - Lifetime EP1417863B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0110794A FR2828785B1 (en) 2001-08-14 2001-08-14 BODY OF ELECTRIC HEATER WET IN A CALORIES ACCUMULATOR BLOCK
FR0110794 2001-08-14
PCT/FR2002/002880 WO2003017725A1 (en) 2001-08-14 2002-08-14 Electric heating unit housed in a calorie accumulator block

Publications (2)

Publication Number Publication Date
EP1417863A1 true EP1417863A1 (en) 2004-05-12
EP1417863B1 EP1417863B1 (en) 2008-07-02

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EP02794815A Expired - Lifetime EP1417863B1 (en) 2001-08-14 2002-08-14 Electric heating unit housed in a calorie accumulator block

Country Status (7)

Country Link
US (1) US7132627B2 (en)
EP (1) EP1417863B1 (en)
AT (1) ATE400161T1 (en)
CA (1) CA2457770A1 (en)
DE (1) DE60227377D1 (en)
FR (1) FR2828785B1 (en)
WO (1) WO2003017725A1 (en)

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FR2912277B1 (en) * 2007-02-01 2009-04-17 Muller & Cie Sa Soc ELECTRIC HEATING APPARATUS
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DE60227377D1 (en) 2008-08-14
ATE400161T1 (en) 2008-07-15
FR2828785B1 (en) 2004-01-23
US7132627B2 (en) 2006-11-07
CA2457770A1 (en) 2003-02-27
FR2828785A1 (en) 2003-02-21
EP1417863B1 (en) 2008-07-02
US20040178189A1 (en) 2004-09-16

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