EP1926346B1 - Dispositif de chauffage électrique, en particulier de véhicules - Google Patents

Dispositif de chauffage électrique, en particulier de véhicules Download PDF

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Publication number
EP1926346B1
EP1926346B1 EP06291821.4A EP06291821A EP1926346B1 EP 1926346 B1 EP1926346 B1 EP 1926346B1 EP 06291821 A EP06291821 A EP 06291821A EP 1926346 B1 EP1926346 B1 EP 1926346B1
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EP
European Patent Office
Prior art keywords
heating arrangement
elements
heating
contact
insulating
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
EP06291821.4A
Other languages
German (de)
English (en)
Other versions
EP1926346A1 (fr
Inventor
Michel Brun
Geoffrey Denny
Gerard Eckerlen
Erwan Gogmos
Pascal Miss
Mathieu Mougey
Nicolas Robin
Christophe Schmittheisler
Stéphane Weingaertner
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
Mahle Behr France Rouffach SAS
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 Mahle Behr France Rouffach SAS filed Critical Mahle Behr France Rouffach SAS
Priority to EP06291821.4A priority Critical patent/EP1926346B1/fr
Publication of EP1926346A1 publication Critical patent/EP1926346A1/fr
Application granted granted Critical
Publication of EP1926346B1 publication Critical patent/EP1926346B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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

Definitions

  • the invention relates to an electrical heating device with PTC elements, in particular for a motor vehicle.
  • a known embodiment of PTC heating devices has strip or cuboid PTC elements, the electrical contacting contacting plates and possibly corrugated ribs to increase the heat transfer surface.
  • the PTC elements between contact plates and / or corrugated ribs are arranged.
  • the air to be heated absorbs the heat emitted by the PTC elements substantially from the expansion of the heat transfer surface provided corrugated fins.
  • the PTC elements may be plastic or ceramic elements.
  • FIG EP 1 522 439 A1 An example of such an embodiment is shown in FIG EP 1 522 439 A1 disclosed.
  • the arranged between the contact plates PTC elements and arranged on the outside of the contact plates corrugated fins are held in an electrically insulating plastic frame.
  • the electrical contacting of the contact sheets can be effected in that the contact plates protrude laterally from the frame and a plug connection is provided, wherein the frame can be designed accordingly.
  • the contact sheets can also be connected within the frame with contact rails, which are contacted from the outside, or an electrical conductor is inserted directly into the frame and connected to the contact bars or contact plates.
  • the EP 1 452 357 A1 discloses an electric heater having heating zones, wherein the division into heating zones is provided in rows and columns. Although separately controllable groups of PTC elements are connected via a common contact plate with the positive terminal or the ground (negative pole), the structure is relatively complicated to be able to arrange the electrical connections for supplying power to the separate contact plates respectively on the same side of the heater ,
  • Such a heating device can still be desired in terms of a multi-zonal design.
  • an electric heating device in particular for a motor vehicle, having a heat transfer area for transferring the heat generated to a fluid flowing through the electric heating device, in particular preferably air, wherein Heat transfer region a number of arranged between contact plates, electric heating elements, in particular PTC elements, particularly preferably ceramic PTC elements or plastic PTC elements, provided, and disposed between two contact plates in addition to at least one electrical heating element at least one electrically insulating element.
  • the electric heating elements are used according to the invention for forming a heating zone and the insulating elements for forming a non-heat-generating region with applied voltage between the two contact plates.
  • the function of the contact plates can also be taken directly by the heat-transmitting surface enlarging corrugated fins or areas thereof.
  • At least one between two contact plates, in which no heating element is arranged, and at least one other area between these contact plates are provided with at least one heating elements can be heated and unheated zones produce.
  • By skillful arrangement and electrical contacting the individual areas can be arranged overlapping and yet be designed independently controllable, so that there is a heating device with different, independently heated zones.
  • a plurality of heatable zones can be electrically contacted from one side of the heating device, so that, inter alia, there are also advantages in terms of installation space.
  • the insulating element has at most the same dimension as the electric heating element in the direction of the contact sheets.
  • Particularly preferred heating elements and insulating elements are formed with the same dimensions in all directions.
  • At least one insulating element and at least one heating element is glued in between two contact sheets. It can also be groups with more than one PTC element and / or insulating element, but preferably two and / or three groups.
  • PTC element preferably a PTC element
  • By providing adhesive bonds can be built in a very inexpensive and simple way, such a heating device.
  • Particular preference is given to individual elements, such as the heating elements, insulating elements and contact plates, assemblies which preferably have symmetries.
  • the heating device preferably has at least two, in particular four or more zones.
  • the zones are preferably arranged in individual rows and / or columns, two zones preferably being arranged on one side in the longitudinal direction of a contact sheet.
  • the insulating element preferably has at most the same dimension as the electrical heating element in the direction of the contact sheets, i. it is at most as thick as an adjacent heating element.
  • the insulating element is preferably glued directly between two contact sheets.
  • the insulating element is preferably designed such that the adhesive effect of the adhesive on its surface is at least as good as on the surface of the electrical heating elements, particularly preferably the adhesive effect on the surface of the insulating element is significantly greater than that of the electrical heating elements.
  • this contact surface is preferably formed uneven.
  • the unevenness can be formed by larger and / or smaller structures.
  • the surface may be roughened, provided with regular and / or irregular grooves, channels, wave structures, studded structures, impressions, holes and / or openings.
  • the insulating element may be - alternatively or in addition to Einklebenform- and / or non-positively connected to at least one of the contact plates. Also combinations are possible, i. For example, a contact plate is positively connected to the insulating element, the opposite contact plate is connected by means of an adhesive to the insulating member. A corresponding embodiment is possible in principle for the PTC elements.
  • the insulating element is preferably formed with arms which laterallyorganizr on a contact plate.
  • a contact engagement of the contact plate is particularly preferably also provided; in particular, this applies to insulating elements arranged at the end of the contact plates.
  • a corresponding embodiment with arms can also be provided on both sides, ie the insulating element is approximately H-shaped.
  • the insulating element may also be provided with at least one pin or at least one other, correspondingly acting projection which is inserted into an opening in the contact plate.
  • protrusions may be provided on both contact surface sides of the insulating element, so that they hold together the two contact sheets with appropriate dimension and material choice or at least support the adhesive joints.
  • connection can also be formed like a clip, ie at the insulating element is at least one spring arm with hooks o. formed, which is elastically deformed during assembly short term and in the assembled state, the contact plate engages behind and thereby secures the insulating element.
  • PTC elements both ceramic PTC elements and plastic PTC elements can be used.
  • the provision of at least one insulating element at one end of a contact sheet can ensure that no short circuit due to deformation of the contact sheet in the direction of the adjacent, arranged on the other side of the heating elements contact plate due to the interposition of the insulating element.
  • the insulating element can be inexpensively injection molded. It can also be separated piece by piece with needs-based length of a profile.
  • the insulating element is preferably a plastic element, which in particular also brings advantages in terms of weight, but any other insulating materials are possible, such as, for example, ceramics.
  • the insulating element is preferably made of a softer material than the contact plate. This allows, for example, a pressing in openings in the contact plate.
  • the heating device preferably has corrugated ribs, which are mounted on one side of the contact sheets, in particular glued, and increase the heat-transferring area.
  • the heating device preferably has an insulating housing or a frame which holds the network of heating elements and possibly corrugated ribs.
  • the frame or housing is preferably made of polyamide, more preferably PA66, and is injection molded. He or it may, with appropriate design, but in particular be designed in several parts, the individual parts can be connected to each other in a known manner, for example. By means Verclipsens or screwing.
  • the insulating elements are made of the same material as the frame or the housing, in particular preferably injection-molded.
  • Heating devices according to the invention can be provided both as a heater in conjunction with a conventional air conditioner or a conventional heater as well as in isolation.
  • the heating device can be arranged for example in the air guide housing of the air conditioner or directly in front of a vent.
  • Fig. 1 shows the schematic structure of a heating device 1 according to the invention, which is in principle suitable for a four-zone air conditioning, with appropriate contact or interconnection, however, for example, for two zones or only one zone can be used.
  • a heating device 1 which is in principle suitable for a four-zone air conditioning, with appropriate contact or interconnection, however, for example, for two zones or only one zone can be used.
  • the function of the corrugated fins 2 is the enlargement of the heat-transferring surface, but they serve in the present case, the power transmission.
  • the contact sheets 5 serve for the current input / output from the outside and / or the surface contacting of the PTC elements.
  • the insulating ones Elements 4 serve essentially as non-heat generating and not current-carrying placeholder, so that in a Kontakblechpoint not over the entire length of the same (uniform) heat generation takes place, but a division into individual zones is possible.
  • four PTC elements 3 and four insulating elements 4 are arranged in each case on two of the contact sheets 5, hereinafter also denoted by the reference numeral 5, wherein two PTC elements 3 adjacent to each other on one side are arranged, opposite a pair of insulating elements 4, so that there is a kind of checkered distribution of the groups of two.
  • the contact plates 5 ' which are arranged between the PTC elements 3 and the insulating elements 4, are used for electrical contacting and thus the power supply and thus the heat generation of the PTC elements 3, which are in contact with the same, if a current flow is possible .
  • a further contact plate 5 " On the other side of the PTC elements 3 and of the insulating elements, which are spaced apart from the contact plate 5 ', there is in each case arranged a further contact plate 5 ", which essentially serves to increase the strength and has a heat and current passing function Direct electrical contacting from the outside
  • a wave rib 2 is arranged on each side of the contact sheets 5 "spaced from the PTC elements 3 and the insulating elements 4.
  • the contact plate 5 "could also be omitted, so that the corrugated fins can be attached directly to the elements 3 and 4.
  • a further contact sheet 5 '" serving for electrical contacting is arranged in each case.
  • the contact plates 5 'and 5 "', which serve the current input and - are derivative, longer than the contact plates 5" formed, where they stand on one side over the heating surface to allow electrical contact.
  • the width of the elements 3 and 4 corresponds at most to that of the contact sheets 5, particularly preferably it is slightly smaller, so that in the assembled state, a small edge is provided on the outside.
  • the length of the PTC elements 3 and the insulating elements can be chosen arbitrarily.
  • the thickness of the elements 3 and 4 preferably corresponds to one another, it being possible for the insulating elements 4 to be designed somewhat thinner in order to be able to provide a thicker adhesive layer than in the case of the PTC elements 3.
  • the average thickness, i. the thickness considering the uneven surface of the insulating members 4 is preferably slightly smaller than the thickness of the PTC elements 3.
  • the contact sheets 5, the PTC elements 3, the insulating elements 4 and the corrugated fins 2 are glued together in the present case.
  • the contact surface of at least the insulating elements 4 is roughened, so that the adhesive can adhere better and, at least in certain areas, a sufficient but not excessive film thickness can be ensured.
  • An unevenness of the contact surface of the insulating elements can also by the provision of regular and / or irregular grooves, channels, wave structures, knob structures, indentations, holes, openings, or the like. be generated.
  • the structure is a total of mirror images of a central contact plate 5 is arranged. This also allows a relatively simple electrical contact, so that in the in Fig. 1 contacting the contact sheets 5 in the middle and on the sides with the positive pole, the contacting of the contact plates arranged therebetween with the negative pole (ground) can be effected.
  • a heating device 1 constructed essentially from corresponding subassemblies, as in FIG Fig. 2 shown, serves as a heater in a four-zone automotive air conditioning system, where it is - seen in the air flow direction - presently arranged according to a conventional heater.
  • It has two of the above-described assemblies for more uniform heat generation across the heating surface, the two mirror-image sides of each assembly being equalized as a result of the illustrated electrical contacting so that each assembly has two zones, as in FIG Fig. 2 schematically indicated by a dash-dot line.
  • the modules with two zones are arranged separately from each other and are controlled independently, so that said four heating zones zone 1, zone 2, zone 3 and zone 4 result, the zones 1 and 3 a common ground and the zones 2 and 4 have a common mass.
  • the heating device 1 has a two-part frame 6 made of plastic, in this case made of PA66, which is injection-molded. Integrated in the frame are two sockets for plugs for electrical contacting. In the middle of the frame is a bridge. In the frame 6, a plurality of the heat-transmitting surface enlarging corrugated fins 2, plate-shaped, arranged in groups of two ceramic PTC elements 3, plate-shaped, arranged in groups, insulating elements 4 and contact plates 5 are arranged, wherein two glued assemblies corresponding to those previously described assemblies are provided which are separated from each other in the installed state by the web. According to the present embodiment, the dimension of the insulating members 4 is selected according to the dimension of the PTC elements 3, but also different dimensions are possible.
  • the electrical contacting takes place as in Fig. 2 represented, wherein the contact plate 5 arranged centrally in the assembly shown on the left is connected to the power supply of the zone 1.
  • the two outer contact plates 5 are connected to the power supply of the zone 3.
  • Fig. 3 shows a possibility of a further arrangement of the heat-transmitting surface enlarging corrugated fins 2, plate-shaped, in turn, in turn arranged in groups of ceramic PTC elements 3, plate-shaped, in this case again arranged in groups, insulating elements 4 and contact plates 5, wherein in contrast to the arrangement from Fig. 1 the PTC elements 3 and insulating elements 4 do not rest against a common contact plate 5, but to improve the heat transfer, the common contact plate 5 is replaced by an assembly of two contact plates 5 and a corrugated fin 2.
  • This enables the heat generated by the PTC elements 3 to be dissipated on both sides of corrugated fins 2, so that the heating performance improves.
  • the electrical contacting of the outermost row of PTC elements 3 by a corrugated fin height moved further inside, which brings advantages in terms of accessibility within the framework.
  • Fig. 4 shows two of the assemblies of Fig. 3 in a frame 6 with integrated receptacle for plug arranged as a second embodiment.
  • the electrical contacting of the individual zones takes place essentially as described above, again four zones being provided.
  • the control of such a heating device 1 is carried out by means of relays.
  • Fig. 5 is provided as a third embodiment instead of a controller by means of a relay control by means of a regulator.
  • the structure of the assemblies is not different from that of the embodiment described above.
  • the controllers relevant for the power supply of the individual zones Zone 1, Zone 2, Zone 3 and Zone 4 are in Fig. 5 R1 to R4, where two controllers R3 and R4 are required for zones 3 and 4 respectively.
  • FIGS. 6 to 9 show the principle of a two-stage control with the help of regulators, where in Fig. 6 a 50% heating operation and in Fig. 7 a 100% heating operation of zone 1 is shown.
  • Fig. 8 shows a 50% heating mode of Zone 3 and Fig. 9 a 100% heating operation of zone 3.
  • the other zones are regulated accordingly.
  • the mirror-image structure of the two modules can be relatively simple form a two-stage four-zone heating device 1 with appropriate contacting of the contact plates 5.
  • zones An increase in the number of zones is possible in the width direction as desired. Similarly, by providing, for example, two of the described assemblies for a total of only two instead of four zones, the zones could form a four-stage, two-zone heating device.
  • ceramic PTC elements have been described as PTC elements, but plastic PTC elements may be used in place of ceramic PTC elements.
  • the group size can be chosen arbitrarily, preferably in the range of one to four.
  • the group size and in particular the length of the elements may differ, wherein preferably the group sizes of an element type and the shape of an element type are the same.
  • different heat level divisions can be generated, for example. The two stages 75% and 100%.

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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)
  • Air-Conditioning For Vehicles (AREA)
  • Resistance Heating (AREA)
  • Direct Air Heating By Heater Or Combustion Gas (AREA)

Claims (12)

  1. Dispositif de chauffage électrique (1), en particulier pour un véhicule automobile, comprenant une zone de transmission de chaleur servant à la transmission de la chaleur produite, à un fluide circulant à travers le dispositif de chauffage électrique où, dans la zone de transmission de chaleur, il est prévu un nombre d'éléments chauffants électriques, en particulier des éléments (3) à coefficient de température positif - CTP -, disposés entre des tôles de contact (5), caractérisé en ce que, entre deux tôles de contact (5), en plus d'au moins un élément chauffant électrique, au moins un élément isolant (4) est disposé suivant la direction longitudinale des tôles de contact, où les éléments chauffants électriques servent à la formation d'une zone de chauffage et les éléments isolants (4) servent à la formation d'une zone du dispositif de chauffage (1), qui ne produit pas de chaleur, quand une tension est appliquée entre les deux tôles de contact (5).
  2. Dispositif de chauffage selon la revendication 1, caractérisé en ce que les éléments chauffants disposés entre deux tôles de contact (5) et les éléments isolants (4) sont affectés à des zones différentes.
  3. Dispositif de chauffage selon la revendication 1 ou 2, caractérisé en ce que l'élément isolant a au maximum la même dimension que l'élément chauffant électrique dans la direction des tôles de contact (5).
  4. Dispositif de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un élément isolant (4) et au moins un élément chauffant sont collés entre deux tôles de contact (5).
  5. Dispositif de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de chauffage (1) présente au moins deux, en particulier quatre zones ou plus.
  6. Dispositif de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un élément isolant (4) est disposé au moins au niveau d'une extrémité d'une tôle de contact (5).
  7. Dispositif de chauffage selon l'une quelconque des revendications précédentes, caractérisé en que la surface de contact, en particulier la surface de collage, de l'élément isolant (4), par laquelle ledit élément isolant est disposé sur une tôle de contact (5), est inégale.
  8. Dispositif de chauffage selon la revendication 7, caractérisé en ce que la surface inégale est rendue rugueuse en ayant, disposés de façon régulière et / ou irrégulière, des cannelures, des conduits, des structures ondulées, des structures formant des tétons, des parties matricées en creux, des trous et / ou des ouvertures.
  9. Dispositif de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément isolant (4) est un élément en matière plastique.
  10. Dispositif de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément chauffant électrique est un élément CTP (3), en particulier un élément CTP en céramique.
  11. Dispositif de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de chauffage (1) présente des ailettes ondulées (2) qui sont fixées, en particulier collées, sur un côté des tôles de contact.
  12. Dispositif de chauffage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de chauffage électrique (1) présente un carter isolant ou un cadre.
EP06291821.4A 2006-11-23 2006-11-23 Dispositif de chauffage électrique, en particulier de véhicules Ceased EP1926346B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06291821.4A EP1926346B1 (fr) 2006-11-23 2006-11-23 Dispositif de chauffage électrique, en particulier de véhicules

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Application Number Priority Date Filing Date Title
EP06291821.4A EP1926346B1 (fr) 2006-11-23 2006-11-23 Dispositif de chauffage électrique, en particulier de véhicules

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EP1926346A1 EP1926346A1 (fr) 2008-05-28
EP1926346B1 true EP1926346B1 (fr) 2018-02-21

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2161515B1 (fr) * 2008-09-05 2016-11-09 Mahle Behr France Rouffach S.A.S Échangeur de chaleur
DE102010001819A1 (de) * 2010-02-11 2011-08-11 Behr GmbH & Co. KG, 70469 Elektrische Heizvorrichtung
EP2865962B1 (fr) 2013-10-22 2019-01-09 Mahle Behr France Rouffach S.A.S Chauffage électrique
EP2865963B1 (fr) * 2013-10-22 2021-07-21 Mahle Behr France Rouffach S.A.S. Chauffage électrique
FR3036915A1 (fr) * 2015-05-26 2016-12-02 Valeo Systemes Thermiques Module chauffant et dispositif de chauffage electrique comportant un tel module chauffant
FR3072766B1 (fr) * 2017-10-24 2020-07-24 Valeo Systemes Thermiques Unite chauffante, faisceau d'echange de chaleur, dispositif de chauffage electrique et boitier de climatisation associe
EP3930423B1 (fr) * 2020-06-22 2023-10-11 Mahle International GmbH Module de chauffage pour un dispositif de chauffage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2063683A1 (fr) * 2006-09-13 2009-05-27 Calsonic Kansei Corporation Chauffage électrique et son procédé de fabrication

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100445722B1 (ko) * 2003-11-18 2004-08-26 우리산업 주식회사 히트 로드 조립체 및 이를 포함하는 차량용 프리히터

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2063683A1 (fr) * 2006-09-13 2009-05-27 Calsonic Kansei Corporation Chauffage électrique et son procédé de fabrication

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