EP3829906A1 - Radiant panel - Google Patents
Radiant panelInfo
- Publication number
- EP3829906A1 EP3829906A1 EP19753180.9A EP19753180A EP3829906A1 EP 3829906 A1 EP3829906 A1 EP 3829906A1 EP 19753180 A EP19753180 A EP 19753180A EP 3829906 A1 EP3829906 A1 EP 3829906A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- resistive layer
- radiant panel
- electrodes
- radiant
- wires
- 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.)
- Withdrawn
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 239000004744 fabric Substances 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 238000010292 electrical insulation Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000013528 metallic particle Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2226—Electric heaters using radiation
-
- 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
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/023—Industrial applications
- H05B1/0236—Industrial applications for vehicles
-
- 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
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2268—Constructional features
Definitions
- the present invention relates to a radiant panel in particular intended to be installed inside a passenger compartment of a vehicle.
- HVAC air heating system
- radiant panels that is to say surfaces which heat passengers by infrared radiation while heating the air inside the passenger compartment by convection.
- Patent application WO 17006303 describes a radiant heating device for a vehicle configured so that the base fabric, the heating element, the fixing element and the laminated fabric are stacked on top of each other in a sequence in which the heating element is fixed to the base fabric by the fixing element in a state where the heating element is stacked on the base fabric, the laminated fabric is stacked on the fixing element, and the laminated fabric is combined with the base fabric.
- the present invention aims to provide an improved radiant panel.
- the invention thus relates to a radiant panel in particular intended to be installed inside a passenger compartment of a vehicle, the radiant panel comprising: at least one thermally insulating layer,
- resistive layer arranged to generate heat when this resistive layer is traversed by an electric current, this resistive layer being in particular joined to the thermally insulating layer, these two layers being able in particular to occupy the same surface
- electrodes arranged to generate an electric current which circulates in the resistive layer, these electrodes being in particular arranged along two opposite edges of the resistive layer,
- the woven structure comprises a plurality of retaining threads, in particular electrically conductive or not, in particular electrically or not connected to the electrodes, these retaining threads being arranged at least partially, or even entirely, in the resistive layer to ensure the cohesion of this resistive layer.
- these holding wires are electrically conductive so that an electric current can flow through the electrodes in these conducting wires.
- these holding wires have a lower electrical conductivity than that of the resistive layer which is arranged to heat. In other words, these wires are more resistive than the resistive layer.
- the panel is arranged so that, in heating operation, more than 60%, even 70%, of the heat generated by the radiant panel is generated by the resistive layer itself which is traversed by the electric current thanks to the electrodes.
- the heating by the holding wires is lower than that provided by the resistive layer.
- the conductive holding wires are not connected at the same time to the electrodes.
- the structure of wires comprises a plurality of more weakly electrically conducting holding wires mechanically connected by weaving to the electrodes, these holding wires can be arranged at least partially in the resistive layer to ensure the cohesion of this resistive layer. We speak in this case of filling wires. According to one aspect of the invention, if these filling wires are not in contact with the two electrodes, they can be more conductive and will participate in the distribution of surface currents which pass through the resistive layer.
- the wire structure comprises wires of equivalent diameter smaller than the electrode wires which are organized to complete the weaving weft, these wires being called in particular wires of chains.
- These wires can be conductive or non-conductive.
- these threads contribute to the mechanical maintenance of the weaving and allow the interleaving of the less conductive threads.
- the invention advantageously allows the resistive layer to be relatively flexible due to the presence of the holding wires which are more flexible than an extruded or laminated polymer substrate for example. If desired, these wires are used primarily to impart cohesion to the resistive layer. In addition, the invention makes it possible to reduce the number of layers in the radiant panel, which can be more economical or easier to manufacture.
- the yarn structure is a woven structure.
- the woven structure comprises threads which form the electrodes.
- the woven structure includes holding threads.
- the heat given off by the radiant panel is mainly due to the resistive layer itself, and not to the heat given off by the retaining wires whose contribution of released heat is comparatively lower.
- the retaining wires form with the electrodes the woven structure of wires.
- these retaining wires are completely embedded in the resistive layer.
- the resistive layer with the electrical holding wires is arranged sufficiently robust to be handled without needing to be worn. by a holding substrate during assembly operations with, for example, the thermally insulating layer.
- the radiant panel is devoid of a support substrate distinct from the resistive layer, a substrate which would for example be made of polyester threads, a substrate which would be interposed between the resistive layer and the insulating layer.
- the insulating layer is devoid of embedded retaining wires.
- the invention provides, if necessary, to at least partially drown the electrical holding wires within the resistive layer rather than placing holding wires, in particular polyester, outside this resistive layer.
- the invention thus makes it possible to optimize the role of the wires which, in the invention, play both a role of electrical conduction and mechanical maintenance.
- the electrical holding wires have a disposition and / or are sufficient in number within the resistive layer to ensure the cohesion of this resistive layer.
- the threads of the thread structure in particular the holding threads, whether they are filling threads or warp threads, are made of metal, for example artificial or natural fibers.
- the resistive layer with the embedded retaining wires has flexibility, which makes it possible to conform it to a desired shape, in particular not planar.
- the electrodes are at least partially embedded in the resistive layer.
- the electrodes include eclectically conducting wires.
- the electrodes can be made of metal, copper or aluminum.
- the holding wires, in particular parallel can be electrically conductive, for example made of metal, or be non-conductive, especially made of artificial or natural fiber for example.
- the electrodes and the holding wires, in particular the filling wires intersect with the formation of an electrical contact.
- the electrodes and the holding wires are arranged perpendicular to each other.
- each electrode comprises a plurality of electrical wires, in particular two or three or more wires, in particular parallel.
- the electrode wires are completely embedded in the resistive layer, with the exception of the electrical connections.
- the radiant panel comprises a decorative layer assembled with on one side of the resistive layer.
- the decorative layer comprises a fabric, leather or wood.
- the resistive layer is formed of acrylic paint with carbon particles, in particular graphite. If desired, the resistive layer is doped with metallic particles.
- the panel comprises the following layers, in order: the insulating layer,
- the panel comprises the following layers, in order: the thermal insulating layer,
- the three layers have the same area.
- the invention thus makes it possible to have a smaller number of layers than existing solutions.
- the rigid substrate disappears.
- the resistive layer is arranged with current-induced heat generation properties and can have as property an increase in its resistance when its temperature increases; we are talking about PTC effect or resistance with positive temperature coefficient type.
- the heating power of the resistive layer is greater than 1000W / m 2 .
- the invention also relates to a vehicle interior comprising at least one body element chosen from a door or a roof, and / or at least one interior element chosen from a seat, a dashboard and / or a cellar. on feet, an armrest, the bodywork element and / or the cabin element comprising at least one radiant panel as described above.
- the bodywork element on which the radiant panel is disposed may comprise at least one sheet facing the outside of the passenger compartment and a thermal insulation element interposed between the sheet and the radiant panel.
- the thermal insulation element is an air space or a felt panel.
- the yarn structure is a structure woven in particular with meshes.
- the subject of the invention is also a radiant panel intended to be installed in a vehicle, in particular a motor vehicle, the radiant panel comprising at least one network of electrodes defining at least one pair of electrodes comprising a first electrode and a second electrode forming between they have a dipole having a resistor (R), a panel arranged to allow the heating power of the radiant panel to be adjusted: by modulating the electric voltage applied to the radiant panel,
- R resistor
- the voltage modulation is a modulation of a PWM signal.
- the resistive layer has heterogeneities in composition, in particular with a proportion of conductive particles which vary according to the zones of the resistive layer.
- the resistive layer has thickness heterogeneities, in particular by non-homogeneous application of several layers to form the resistive layer.
- the resistive layer has heterogeneities by arrangement or repetition of the same partially joined pattern.
- the discontinuities thus produced are of a dimension smaller than 0.125 cm2 for a hot spot and 0.6 cm2 for a cold point.
- a hot point being defined by a contact temperature included between 30 and 45 ° C and the cold spot between 10 and 35 ° C.
- the panel has a resistive layer whose positive temperature coefficient is less than 0.07 Ohm / degree below 45 ° C and greater than 0.09 Ohm / degree beyond 45 ° C.
- the invention also relates to a method for manufacturing a radiant ring according to one of the preceding claims, the adaptation of the equivalent resistance of the electrode array between the anode and the cathode is carried out by adaptation of the distance separating the electrodes. According to one aspect of the invention, the adaptation of the equivalent resistance is carried out by modulating the characteristics of the resistive layer of the radiant panel.
- the modulation of the characteristics of the resistive layer takes place: by local modification of its composition, more or less conductive particles for example by modification of its thickness by non-homogeneous application of several layers by arrangement or repetition of the same partially joined pattern
- the invention provides the heating power desired by this type of modulation.
- FIG. 1 is a schematic representation of a passenger compartment a vehicle in which one or more radiant panels is positioned according to the invention
- FIG. 2 is a schematic representation of a vehicle door in which is positioned one or more radiant panels according to the invention
- FIG. 3 schematically represents, a sectional view of a radiant panel according to the invention
- FIG. 4 schematically represents a top view of the radiant panel of FIG. 3,
- FIG. 1 illustrates a passenger compartment 1 of a vehicle equipped with at least one radiant panel 2 according to the invention.
- the passenger compartment 1 is delimited by at least one bodywork element 4 chosen from a door 8, a roof 6 or an underbody 7. Such a door 8 is notably represented in FIG. 2.
- the passenger compartment 1 comprises at least one element cockpit 10 chosen from a seat 16, a dashboard 12 and / or a cellar 14.
- the passenger compartment 1 also comprises at least one radiant panel 2, more particularly described in FIG. 3, arranged on or against at least one body element 4 and / or at least one passenger compartment element 10.
- a radiant panel 2 can be arranged on a door 8, a roof 6, a seat 16, an element of a seat 16, a dashboard 12 and / or a foot cellar 14.
- the passenger compartment 1 comprises a plurality of radiant panels 2, arranged on the same body element 4 or cabin element 10, or on different elements.
- the same bodywork element 4 or cabin element 10 may comprise a plurality of radiant panels 2, arranged adjacent or apart, and / or comprising different or identical orientations.
- the installation of the radiant panel 2 on the body element 4 and / or the passenger compartment element 10 is ensured by at least one fixing element.
- a fixing element is chosen from known fixing elements, such as glue or one or more screws.
- the dashboard 12 on which the radiant panel 2 is arranged can be placed at the front of the vehicle.
- a radiant panel 2 can be placed on a seat 16, and in particular on a backrest 18 of the seat 16, a seat leg 17, a headrest 19 and / or any other element of the seat 16.
- the radiant panel 2 is arranged so to be at a distance from a user, that is to say that it is not located on a part of the seat 16 on which a user would come to settle, like a seat of the seat 16.
- the foot cellar 14 corresponds to a panel of the passenger compartment 1 delimiting an area where a user, and in particular a user seated on one of the front seats 16 of the vehicle can put their feet.
- the radiant panels 2 are arranged inside the passenger compartment 1, that is to say on at least one body element 4 and / or at least one passenger compartment element 10 and directed towards the interior of the passenger compartment 1, with the aim of increasing the feeling of heat perceived by vehicle users within the passenger compartment 1.
- FIG. 2 represents a vehicle door 8, comprising a radiant panel 2 according to the invention.
- the vehicle door 8 comprises an interior panel 80, surmounted by a window 84. These elements are surrounded by a door panel 82 intended to support them.
- a radiant panel 2 disposed in the door 8 can in particular be positioned on the interior panel 80 of the door 8, so as to radiate towards the occupants of the passenger compartment.
- FIG. 3 represents a section of a radiant panel 2 according to the invention, used in the passenger compartment as described above.
- a radiant panel 2 comprises a plurality of layers, that is to say at least three layers, stacked in a direction A.
- the radiant panel 2 comprising: a thermally insulating layer 30,
- resistive layer 31 arranged to generate heat when this resistive layer 31 is crossed by an electric current, this resistive layer 31 being attached to the thermally insulating layer 30, these two layers occupying the same area,
- a wire structure 61 is provided between the electrodes.
- the insulating layer 30 is in contact with the resistive layer 31.
- the electrodes 32 are elongated.
- the insulating layer 30 is characterized by a thermal resistance greater than
- the resistive layer 31 comprises an acrylic paint comprising carbon particles and / or metallic particles. Under the effect of the electrical supply provided by the electrodes, the resistive layer 31 will emit radiation and heat by the Joule effect.
- the heating power of the layer 31 is greater than 100OW / m 2 .
- the resistive layer 31 is formed of acrylic paint with carbon particles, in particular graphite.
- the heating power of layer 31 is a function of the value of the electrical power supplied by the electrodes 32 to layer 31.
- the heat given off by the radiant panel 2 is mainly due to the resistive layer 31 itself, and not to the heat given off by the holding wires 33 whose contribution of released heat is comparatively lower.
- the holding wires 33 form with the electrodes 32 a sort of weaving of wires.
- Each electrode 32 has three parallel electrical wires.
- These electrodes are connected to a power supply for the vehicle.
- These retaining wires 32 are entirely embedded in the resistive layer 31.
- the resistive layer 31 with the electrical holding wires 33 is arranged sufficiently robust to be handled without the need to be carried by a holding substrate during assembly operations with, for example, the thermally insulating layer 30.
- the radiant panel is devoid of a support substrate distinct from the resistive layer 31, a substrate which would for example be made of polyester threads, a substrate which would be interposed between the resistive layer 31 and the insulating layer 30.
- the electrical holding wires 33 have a disposition and / or are sufficient in number within the resistive layer to ensure the cohesion of this resistive layer.
- These electric holding wires 33 are made of metal.
- the resistive layer 31 with the embedded conducting wires 33 has flexibility, which makes it possible to conform it to a desired shape, in particular not planar.
- the electrodes 32 are embedded in the resistive layer 32.
- the electrodes 32 and the holding wires 33 intersect with the formation of an electrical contact.
- the electrodes 32 and the holding wires 33 are arranged perpendicular to each other.
- the electrical holding wires 33 are arranged parallel to one another, equidistant from one another in the example described.
- the wires of the electrodes 32 are completely embedded in the resistive layer 31, with the exception of the electrical connections.
- the radiant panel 2 comprises a decorative layer 35 assembled with a resistive layer 31 on one face 36.
- the decorative layer 35 includes a fabric, leather or wood. This decorative layer 35 makes it possible to impart an aesthetic appearance to the radiant panel 2 and thus to integrate it into the passenger compartment of the vehicle, in particular on a door panel or on a roof. This layer is visible in the passenger compartment when the radiant panel 2 is installed in the passenger compartment.
- the panel 2 thus comprises the following layers, in order: - the insulating layer 30,
- these three layers have the same area. As a variant, these layers could have different surfaces.
- the resistive layer 31 can house an electric heating element arranged to generate heat when an electric current flows through it, being in particular of the positive temperature coefficient type.
- the holding wires 33 are supplied with electricity only via the electrodes 32. In other words, these wires 33 are not directly supplied by an electrical supply to the vehicle.
- the radiant panel comprises the following layers, in order: the thermal insulating layer 30,
- the electrodes could each be formed by a single conducting wire.
- Electrodes are arranged to generate an electric current which circulates in the resistive layer, these electrodes being in particular arranged along two opposite edges 39 of the resistive layer.
- the wires of the wire structure 61 can thus be semi-resistive. These wires could be remote, without contact, with the electrode wires.
- the resistive layer 31 has heterogeneities of thickness 73. This thickness varies from a thickness el to a thickness e2 greater depending on the zones desired, as a function of the zones of contact desired with the skin. of the passenger.
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
- Surface Heating Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1857108A FR3084294B1 (en) | 2018-07-30 | 2018-07-30 | RADIANT PANEL |
PCT/FR2019/051815 WO2020025875A1 (en) | 2018-07-30 | 2019-07-19 | Radiant panel |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3829906A1 true EP3829906A1 (en) | 2021-06-09 |
Family
ID=63896365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19753180.9A Withdrawn EP3829906A1 (en) | 2018-07-30 | 2019-07-19 | Radiant panel |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3829906A1 (en) |
FR (1) | FR3084294B1 (en) |
WO (1) | WO2020025875A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3116408B1 (en) * | 2020-11-19 | 2023-10-27 | Valeo Systemes Thermiques | Heating structure for motor vehicle |
FR3126694B1 (en) * | 2021-09-09 | 2025-02-14 | Safran Seats | Removable heating system for aircraft |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050199610A1 (en) * | 2004-03-10 | 2005-09-15 | Kevin Ptasienski | Variable watt density layered heater |
KR20100119534A (en) * | 2010-10-20 | 2010-11-09 | 박상구 | Flexible weaving heater |
DE102013212831A1 (en) * | 2013-07-02 | 2015-01-08 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle with a surface heating |
US20180213606A1 (en) * | 2017-01-26 | 2018-07-26 | Goodrich Corporation | Carbon allotrope heaters with multiple interdigitated electrodes |
WO2020002790A1 (en) * | 2018-06-27 | 2020-01-02 | Valeo Systemes Thermiques | Radiant panel for installation inside a vehicle passenger compartment |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5201137B2 (en) * | 2007-01-22 | 2013-06-05 | パナソニック株式会社 | Polymer resistor |
JP5842781B2 (en) * | 2012-05-23 | 2016-01-13 | 株式会社デンソー | Radiation heater device |
LU92228B1 (en) * | 2013-06-20 | 2014-12-22 | Iee Sarl | Heatable interior trim element |
JP6384129B2 (en) * | 2013-08-27 | 2018-09-05 | 株式会社デンソー | In-vehicle radiant heater control device |
KR102238056B1 (en) * | 2015-07-03 | 2021-04-09 | 현대자동차주식회사 | Radiant heater for vehicle |
-
2018
- 2018-07-30 FR FR1857108A patent/FR3084294B1/en active Active
-
2019
- 2019-07-19 EP EP19753180.9A patent/EP3829906A1/en not_active Withdrawn
- 2019-07-19 WO PCT/FR2019/051815 patent/WO2020025875A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050199610A1 (en) * | 2004-03-10 | 2005-09-15 | Kevin Ptasienski | Variable watt density layered heater |
KR20100119534A (en) * | 2010-10-20 | 2010-11-09 | 박상구 | Flexible weaving heater |
DE102013212831A1 (en) * | 2013-07-02 | 2015-01-08 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle with a surface heating |
US20180213606A1 (en) * | 2017-01-26 | 2018-07-26 | Goodrich Corporation | Carbon allotrope heaters with multiple interdigitated electrodes |
WO2020002790A1 (en) * | 2018-06-27 | 2020-01-02 | Valeo Systemes Thermiques | Radiant panel for installation inside a vehicle passenger compartment |
Non-Patent Citations (1)
Title |
---|
See also references of WO2020025875A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR3084294B1 (en) | 2021-03-05 |
WO2020025875A1 (en) | 2020-02-06 |
FR3084294A1 (en) | 2020-01-31 |
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