EP2557895A2 - Mikrowellenbackherd, der eine kuppelförmige Wand umfasst - Google Patents

Mikrowellenbackherd, der eine kuppelförmige Wand umfasst Download PDF

Info

Publication number
EP2557895A2
EP2557895A2 EP12191901A EP12191901A EP2557895A2 EP 2557895 A2 EP2557895 A2 EP 2557895A2 EP 12191901 A EP12191901 A EP 12191901A EP 12191901 A EP12191901 A EP 12191901A EP 2557895 A2 EP2557895 A2 EP 2557895A2
Authority
EP
European Patent Office
Prior art keywords
dome
cooking chamber
shaped wall
microwave oven
cooking
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.)
Pending
Application number
EP12191901A
Other languages
English (en)
French (fr)
Other versions
EP2557895A3 (de
Inventor
Tom Snow
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.)
FagorBrandt SAS
Original Assignee
FagorBrandt 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 FagorBrandt SAS filed Critical FagorBrandt SAS
Publication of EP2557895A2 publication Critical patent/EP2557895A2/de
Publication of EP2557895A3 publication Critical patent/EP2557895A3/de
Pending legal-status Critical Current

Links

Images

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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6402—Aspects relating to the microwave cavity
    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6414—Aspects relating to the door of the microwave heating apparatus
    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6444—Aspects relating to lighting devices in the microwave cavity
    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
    • H05B6/645—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using temperature sensors
    • 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
    • H05B6/6458—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors using humidity or vapor sensors

Definitions

  • the present invention relates to a microwave oven equipped with a dome-shaped wall constituting a cooking chamber.
  • microwave ovens comprise a substantially parallelepiped shaped cooking chamber housed inside a body.
  • the cooking chamber comprises a bottom wall, an upper wall, a bottom wall and two side walls. An opening in front of the cooking chamber is closed by a door.
  • microwaves are generally equipped with a lighting device mounted on a side wall of the cooking chamber.
  • microwave ovens also comprise a ventilation device of the cooking chamber provided with air outlet openings located in the rear part of the upper wall of the cooking chamber and inlet openings. of air located in front of the upper wall of the cooking chamber through which a flow of air is circulated by a fan.
  • This circulation of air removes moisture inside the cooking chamber, and in particular to avoid condensation on the door closing the opening on the front face of the cooking chamber.
  • These cooking ovens may also include one or more sensors positioned along a side wall or an upper wall of the cooking chamber and adapted to cooperate with a control microcontroller of the microwave oven.
  • microwave ovens have the disadvantage of having operating elements located at different locations of the cooking chamber.
  • electrical power cables are routed to different operating elements of the microwave oven generating additional cost by reducing the number of power supply cables and the complexity of the passage of power supply cables. at different points between the cooking chamber and the body of the microwave oven.
  • the document is also known US 2,993,973 A which describes a baking oven to microwaves on which a support plate, made of material transparent to microwave energy, is arranged horizontally in an opening in a work plane.
  • a dome-shaped wall is adapted to cover the plate and define therewith a cooking chamber above the plate.
  • the baking oven includes a partition disposed horizontally in the upper portion of the dome, separating the interior thereof from the interior of the baking cavity and a lamp compartment.
  • the lamp is used inside the compartment and illuminated by the presence of microwave energy in small quantities.
  • the separation includes a plurality of apertures for passage therethrough of a limited amount of microwave energy from the cooking chamber to the lamp compartment to allow illumination of the lamp.
  • the openings also allow the passage of light from the illuminated lamp to the interior of the cooking chamber.
  • the wall defining the lamp compartment may also include a plurality of openings allowing the lamp to be viewed from outside the lamp compartment.
  • the dome is provided with a pattern of perforations, being wide enough to allow viewing of the interior of the cooking chamber and small enough to prevent microwave leakage through them.
  • the present invention aims to solve the aforementioned drawbacks and to provide a microwave cooking oven to reduce the cost of obtaining the latter while having operating performance at least equal to that of a furnace of conventional microwave cooking.
  • the present invention relates to a microwave oven comprising a cooking chamber, said cooking chamber comprising a bottom wall and a dome-shaped wall, said dome-shaped wall being positioned above the cooking chamber. said bottom wall so as to define a cooking space.
  • an air flow is generated by a fan sucking air outside of said microwave oven through an opening in a wall constituting the structure of said cooking oven. microwaves, and blowing air inside said cooking chamber through openings in said lower wall and the periphery of a tray.
  • said dome-shaped wall comprises a technical zone located at the top of said dome-shaped wall.
  • the microwave oven comprises a technical zone located at the top of a dome-shaped wall constituting the cooking chamber. This technical area is adapted to receive several operating elements of a microwave oven so as to simplify the manufacture of the latter.
  • Said technical zone can thus be modular so as to receive different operating elements of the microwave oven or not depending on the model of microwave oven.
  • the positioning of the operating elements at the top of the dome-shaped wall makes it possible to optimize the operation of the latter.
  • said technical area located at the top of said dome-shaped wall comprises at least one sensor cooperating with a controller of said microwave oven during the implementation of a heating cycle by said microwave cooking oven.
  • said at least one sensor in the technical zone situated at the top of the dome-shaped wall makes it possible to control the operation of the microwave cooking oven by the communication between said at least one sensor and a controller of said microwave oven. microwave cooking.
  • the positioning of the at least one sensor in the technical zone at the top of the dome-shaped wall makes it easy to collect reliable data concerning the food or foods placed inside the cooking chamber and then to optimize the operation. of the microwave oven from these data.
  • said technical area located at the top of said dome-shaped wall comprises at least one air discharge opening discharging at least a portion of the moist and hot air of said enclosure. cooking during the implementation of a heating cycle by said microwave cooking oven.
  • said at least one air outlet opening of the technical zone located at the top of the dome-shaped wall makes it possible to evacuate hot moist air during a heating cycle implemented by the microwave oven such as a fireplace.
  • a humid and hot air flow from the cooking chamber can thus be evacuated outside the microwave oven through said at least one air evacuation opening of the technical zone located at the top of the dome-shaped wall so as to prevent condensation from forming on said dome-shaped wall constituting the cooking chamber.
  • the moist and hot air flow from the cooking chamber is circulated by forced convection by means of a fan blowing air inside the cooking chamber.
  • said technical zone located at the top of said dome-shaped wall comprises at least one lighting device diffusing light up and down in said cooking chamber.
  • the cooking chamber is illuminated uniformly by said at least one lighting device and without creating shadows in a portion of the cooking chamber related to the space occupied by an article to be heated placed in the cooking chamber.
  • a microwave oven 1 comprises a cooking chamber 2.
  • the cooking chamber 2 comprises a bottom wall 3 and a dome-shaped wall 4.
  • the dome-shaped wall 4 is positioned above the bottom wall 3 so as to define a cooking space.
  • a magnetron In order to supply high frequency energy to the cooking chamber 2 of a microwave cooking oven 1, a magnetron is conventionally provided, of which an antenna opens into a waveguide formed against a wall of the cooking chamber 2.
  • the microwave oven 1 may also include one or more heating elements, including radiant heating elements of the electric heater type. The presence of this or these heating elements in the microwave oven 1 thus allows to add a traditional cooking function.
  • the cooking chamber 2 comprises a plate 5 housed in at least one depression 6 of the bottom wall 3.
  • the plate 5 may be a rotating plate rotatably mounted on an axis 7 driven by a motor (not shown) or a still plate installed in said at least one recess 6 of the bottom wall 3.
  • the useful volume of the cooking chamber 2 defined by the bottom wall 3 and the wall in the form of a dome 4 is reduced so as to limit the areas of said cooking chamber 2 unnecessary during heating of a food to be heated on a tray 5.
  • the dome-shaped wall 4 comprises a technical zone 8 situated at the top of the dome-shaped wall 4.
  • the microwave oven 1 comprises a technical zone 8 located at the top of a dome-shaped wall 4 constituting the cooking chamber 2.
  • This technical zone 8 is adapted to receive a plurality of operating elements 9, 10, 12 of a microwave oven 1 so as to simplify the manufacture of the latter.
  • Said technical zone 8 can thus be modular so as to receive different operating elements 9, 10, 12 of the microwave oven 1 or not depending on the microwave oven model.
  • the technical zone 8 located at the top of the dome-shaped wall 4 comprises at least one sensor 9 cooperating with a controller (not shown) of the microwave oven 1 during the implementation of a heating cycle by said microwave cooking oven 1.
  • said at least one sensor 9 of the technical zone 8 located at the top of the dome-shaped wall 4 makes it possible to control the operation of the microwave cooking oven 1 by the communication between said at least one sensor 9 and a controller of the microwave oven 1.
  • Said at least one sensor 9 may be, in particular, a humidity sensor for regulating the microwave energy supply according to the data collected by it and transmitted to a controller of the microwave oven 1.
  • the humidity sensor 9 collects data related to the water vapor released by the food placed inside the cooking chamber 2 during a heating cycle so as to slave the operating periods. magnetron using the controller controlling the microwave oven 1.
  • Said at least one sensor 9 can also be a temperature sensor for regulating the microwave energy supply according to the data collected by it and transmitted to a controller of the microwave oven 1, or an ultrasonic type distance measuring sensor for determining the size and number of containers containing the food placed in the cooking chamber 2.
  • the technical zone 8 can also comprise several sensors 9, and for example the combination of a humidity sensor and a temperature sensor.
  • the technical zone 8 located at the top of the wall in the form of dome 4 comprises at least one air evacuation opening evacuating at least a portion of the moist and hot air from the cooking chamber 2 during the implementation of a heating cycle by the furnace of microwave cooking 1.
  • said at least one air evacuation opening 10 of the technical zone 8 located at the top of the dome-shaped wall 4 makes it possible to evacuate hot moist air during a heating cycle.
  • the microwave oven 1 such as a fireplace.
  • a moist and hot air flow F from the cooking chamber 2 can thus be evacuated outside the microwave oven 1 through said at least one air outlet opening 10.
  • the technical zone 8 situated at the top of the dome-shaped wall 4 so as to prevent condensation from forming on said dome-shaped wall 4 constituting the cooking chamber 2.
  • the flow of moist and hot air F from the cooking chamber 2 is circulated by forced convection by means of a fan (not shown) blowing air inside the cooking chamber 2 .
  • Said at least one air discharge opening 10 of the technical zone 8 located at the top of the dome-shaped wall 4 comprises a plurality of holes 11.
  • the holes 11 of said at least one air discharge opening 10 formed in the technical area 8 located at the top of the dome-shaped wall 4 of the cooking chamber 2 allow the flow of air F wet and hot to be discharged outside the cooking chamber 2 and are dimensioned so as to prevent microwaves from coming out through said holes 11.
  • the microwave oven 1 thus has the minimum of micro leaks outside the cooking chamber 2.
  • the sizing of the holes 11 of the at least one air evacuation opening 10 is well known to those skilled in the art so as to prevent microwaves from coming out through said holes 11 and need not be described in more detail here.
  • the air flow F is generated by a fan (not shown) sucking air outside the microwave oven 1 through an opening 25 in a wall 26 constituting the structure of said microwave oven 1, and blowing air inside the cooking chamber 2 through openings (not shown) formed in the bottom wall 3 and the periphery of the turntable 5.
  • the opening 25 located in the wall 26 constituting the structure of the microwave oven 1 can be made in the form of a perforated grid so as to allow the passage of an incoming air flow D.
  • This incoming air flow D is heated by passing close to the magnetron (not shown) generating the microwave energy necessary for heating food placed in the cooking chamber 2.
  • the incoming air flow D sucked outside the microwave oven 1 is cool and it captures the heat released by the magnetron during operation. This heat exchange makes it possible on the one hand to cool the magnetron and then to introduce hot air into the cooking chamber 2.
  • the openings in the bottom wall 3 of the cooking chamber 2 and at the periphery of the turntable 5 allow the passage of an air flow E.
  • This air flow E is generated by the passage of the air flow incoming D passing through the magnetron and the fan.
  • the flow of air E introduced into the cooking chamber 2 is hot and makes it possible to prevent condensation occurring on the domed wall 4 and on the bottom wall 3 of the cooking chamber 2.
  • air flow E introduced into the cooking chamber 2 mixes with the release of steam due to the heating of the food placed in the cooking chamber 2, during the implementation of a heating cycle by the cooking oven microwaves 1, so as to form the air flow F.
  • said at least one sensor 9 is placed above said at least one air discharge opening 10 so that the moist and hot air flow F flows along said at least one sensor 9 so that recovering the data relating to the heating of the food placed in the cooking chamber 2 during the implementation of a heating cycle by the microwave oven 1.
  • Said at least one sensor 9 is disposed inside a housing 17 of the technical zone 8 and outside the cooking chamber 2.
  • the technical zone 8 located at the top of the dome-shaped wall 4 comprises at least one lighting device 12 diffusing light up and down in the cooking chamber 2.
  • the cooking chamber 2 is illuminated uniformly by said at least one lighting device 12 and without creating shadows in a portion of the cooking chamber 2 related to the space occupied by an article. to be heated placed in the cooking chamber 2.
  • Fixing said at least one lighting device 12 in the technical area 8 located at the top of the dome-shaped wall 4 implements conventional fastening means, for example of the type by gluing, screwing, snap elastic. These fastening means are well known to those skilled in the art and do not need to be described in more detail here.
  • the dome-shaped wall 4 of the cooking chamber 2 is made of a material adapted to diffuse the light towards the outside of the microwave oven 1.
  • the dome-shaped wall 4 of the cooking chamber 2 is made in a material that does not absorb microwaves to avoid heating thereof and transparent to allow the user to view inside the cooking chamber 2.
  • the dome-shaped wall 4 of the cooking chamber 2 may be made for example of glass, or plastic such as polycarbonate or poly-methacrylate.
  • the light emitted by at least one lighting device 12 is diffused inside the cooking chamber 2 from the technical zone 8 situated at the top of the dome-shaped wall 4 and possibly also outside. of the cooking chamber 2 through the domed wall 4.
  • the user can view the light emitted inside the cooking chamber 2 while being away from the microwave oven 1 and without remaining in front of it during its operation.
  • Such a microwave oven 1 overcomes the disadvantage of current microwave cooking ovens where the user does not know the operating state of these interactively through audit at least one lighting device 12 diffusing light outside said microwave cooking oven 1 through the domed wall 4.
  • the dome-shaped wall 4 of the cooking chamber 2 encloses a wave trap.
  • the wave trap makes it possible to avoid microwave leakage outside the cooking chamber 2 and is protected by the dome-shaped wall 4 against projections when heating food placed in the enclosure. cooking 2.
  • the microwaves circulating inside the cooking chamber 2 can not leak outside the microwave oven 1.
  • the domed wall 4 of the cooking chamber 2 shown in FIGS. figures 1 and 2 represents the wave trap and the transparent material positioned around said wave trap. This transparent material makes it possible to diffuse the light outside the cooking chamber 2 as well as to protect the wave trap from projections related to the heating of food.
  • the microwave oven 1 may also include an additional lighting device.
  • said at least one lighting device 12 makes it possible to combine the light emitted by the latter with that of an additional lighting device so as to increase the brightness in the cooking chamber 2.
  • said at least one lighting device 12 comprises a printed circuit board 13, said printed circuit board 13 comprising at least one electroluminescent diode 14, as shown in FIG. figure 3 .
  • said at least one lighting device 12 makes it possible to modify the color shade and / or the light intensity simply, inexpensively and in a wide range of colors and / or intensities.
  • the number of light-emitting diodes 14 may be between one and more. Each light-emitting diode 14 may be of the same or different color.
  • the number of light-emitting diodes 14 is in no way limiting.
  • said at least one lighting device 12 comprises at least one lens 15 between said at least one light-emitting diode 14 and a lower wall 16 of the technical zone 8 located at the top of the dome-shaped wall 4 constituting the enclosure cooking 2.
  • the light emitted by said at least one light-emitting diode 14 from at least one lighting device 12 is directed by said at least one lens 15 towards the inside of the cooking chamber 2.
  • Said at least one lighting device 12 is disposed inside a housing 17 of the technical zone 8 and outside the cooking chamber 2.
  • the lower wall 16 of the technical zone 8 located at the top of the dome-shaped wall 4 constituting the cooking chamber 2 comprises at least one opening 18 allowing the passage of the light emitted by the at least one lighting device 12 inwardly of said cooking chamber 2.
  • Said at least one opening 18 of the lower wall 16 of the technical zone 8 situated at the top of the dome-shaped wall 4 constituting the cooking chamber 2 comprises a plurality of holes 19.
  • the holes 19 of said at least one opening 18 formed in the bottom wall 16 of the technical zone 8 located at the top of the dome-shaped wall 4 allow the light emitted by said at least one lighting device 12 of the to be diffused towards the inside of the cooking chamber 2 and are dimensioned so as to prevent the microwaves from coming out through said holes 19.
  • the microwave oven 1 thus has the minimum of leakages of microwave outside the cooking chamber 2.
  • Sizing the holes 19 of said at least one opening 18 is well known to those skilled in the art so as to prevent microwaves from coming out through said holes 19 and need not be described in more detail here.
  • the holes 19 of said at least one opening 18 of the bottom wall 16 of the technical zone 8 located at the top of the dome-shaped wall 4 may be of hexagonal shape, circular, etc.
  • the shape of the holes 19 is in no way limiting and can be performed differently.
  • the hexagonal shape of the holes 19 of said at least one opening 18 formed in the lower wall 16 of the technical zone 8 situated at the top of the dome-shaped wall 4 can make it possible to improve the light diffusion in the direction of the interior. of the cooking chamber 2 while being dimensioned so as not to cause microwave leakage.
  • Fixing said at least one lighting device 12 in the housing 17 of the technical area 8 implements conventional fastening means, for example of the type by gluing, screwing, snap elastic. These fastening means are well known to those skilled in the art and do not need to be described in more detail here.
  • Said at least one lighting device 12, as illustrated in FIG. figure 3 may comprise a housing (not shown) in which the printed circuit board 13 and said at least one light emitting diode 14 may be housed.
  • the printed circuit board 13 of said at least one lighting device 12 is connected to the control unit of the microwave cooking oven 1 by means of a flat cable (not shown), also called dab, so supplying said at least one electroluminescent diode 14 of said at least one lighting device 12 with electrical energy.
  • the printed circuit board 13 of said at least one lighting device 12 is connected to a control unit (not shown) of the microwave oven 1, which can be for example an electronic control board, directly or not.
  • Said at least one sensor 9 and / or said at least one lighting device 12 are supplied with electrical energy by means of at least one electrical connection passing through a hinge 20 connecting the lower wall 3 of the enclosure of cooking 2 to the dome-shaped wall 4 of said cooking chamber 2.
  • the cooking chamber 2 comprises a hinge arm 21 connecting the dome-shaped wall 4 to the bottom wall 3, and said hinge arm 21 comprising a passage housing 22 of a wired power supply connection opening in the technical area 8 at the top of the dome-shaped wall 4.
  • said at least one sensor 9 and said at least one lighting device 12 located in the housing 17 of the technical zone 8 can be supplied with electrical energy by a wire link extending inside a housing of passage 22 of the hinge arm 21 connecting the dome-shaped wall 4 to the bottom wall 3 of the cooking chamber 2.
  • the printed circuit board 13 of each lighting device 12 and said at least one sensor 9 may be connected to the control unit through a control card of a control keyboard, or else the printed circuit board 13 of each device illumination 12 and said at least one sensor 9 can be connected to the control unit directly as well as the control card of the control keyboard to the control unit.
  • the control unit of the microwave cooking oven 1 is adapted to adjust the power level of the wavechain.
  • the control unit comprises, in known manner, a microcontroller adapted to process the information from the control card, and thus to put into operation, extinguish or adjust the power level of the waveband, and therefore to controlling the illumination of said at least one light-emitting diode 14 of the printed circuit board 13 of said at least one lighting device 12 according to the control carried out by the user of the microwave oven 1.
  • said at least one lighting device 12 illuminates the inside of the cooking chamber 2 so as to indicate this command and said at least one sensor 9 regulates the power of the wave chain so as to evenly heat the food placed in the cooking chamber 2.
  • said at least one lighting device 12 can illuminate the interior of the cooking chamber 2 so that to indicate this operating state.
  • the color shade and / or light intensity of said at least one light emitting diode 14 may vary depending on the power level required by the user.
  • a cover 23 is positioned above the dome-shaped wall 4 of the cooking chamber 2, and said cover 23 is connected to the technical zone 8 situated at the top of said dome-shaped wall 4.
  • the lid 23 is made of a material adapted to diffuse the light towards the outside of the microwave oven 1.
  • the lid 23 is made of a material that does not absorb microwaves to prevent heating thereof and is transparent to allow the user to visualize inside the cooking chamber 2.
  • the cover 23 may be made for example of glass, or plastic such as polycarbonate or poly-methacrylate.
  • the light emitted by at least one lighting device 12 is diffused inside the cooking chamber 2 and outside the cooking chamber 2 through of the dome-shaped wall 4 and the cover 23.
  • the user can view the light emitted inside the cooking chamber 2 while being away from the microwave oven 1 and without remaining in front of it during its operation.
  • Such a microwave oven 1 overcomes the disadvantage of current microwave cooking ovens where the user does not know the operating state of these interactively through audit at least one lighting device 12 diffusing light outside said microwave cooking oven 1 through the domed wall 4 and then the lid 23.
  • a space 24 is provided between the cover 23 and the dome-shaped wall 4 so that the intensity of the microwaves passing through said dome-shaped wall 4 is attenuated to prevent microwave leakage outside the microwave oven 1.
  • the technical zone 8 is connected to the dome-shaped wall 4 and the cover 23 so as to avoid microwave leakage at the junctions between them.
  • the technical zone 8 comprises an upper wall 27 for closing the housing 17 inside which various operating elements 9, 10, 12 of the microwave cooking oven are placed.
  • This upper wall 27 of the technical zone 8 may comprise an opening 28 so as to allow the discharge of the moist and hot air flow F outside the microwave oven 1 after this air flow. F passes through said technical zone 8.
  • This opening 28 of the upper wall 27 of the technical zone 8 can be made by a plurality of holes 29.
  • the upper wall 27 of the technical zone 8 can also be an integral part of the hinge arm 21 so as to simplify the production of the microwave oven 1 and improve the aesthetics of the latter.
  • the bottom wall 16 of the technical zone 8 is preferably made of a metallic material. This lower wall 16 of the technical zone 8 is fixed, for example, by welding on the dome-shaped wall 4 comprising a wave trap.
  • the wave trap of the domed wall 4 is also made of a metallic material.
  • the assembly of the lower wall 16 of the technical zone 8 with the dome-shaped wall 4 makes it possible to avoid microwave leakage outside the cooking chamber 2.
  • the lower wall 16 of the technical zone 8 comprises said at least one air discharge opening 10 and said at least one opening 18 allowing the passage of the light emitted by said at least one lighting device 12.
  • the upper part of the technical zone 8 can be made of plastic so as to be assembled with the lid 23 or be integrated into the hinge arm 21.
  • the microwave oven 1 comprises a technical zone 8 located at the top of the dome-shaped wall 4 constituting the cooking chamber 2.
  • This technical zone 8 is adapted to receive a plurality of operating elements 9, 10 , 12 of a microwave oven 1 so as to simplify the manufacture of the latter.
  • said at least one lighting device in the technical zone may comprise one or more light sources that may be of the incandescent, halogen type.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Ovens (AREA)
  • Constitution Of High-Frequency Heating (AREA)
EP12191901.3A 2009-04-14 2010-04-09 Mikrowellenbackherd, der eine kuppelförmige Wand umfasst Pending EP2557895A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0901817A FR2944407B1 (fr) 2009-04-14 2009-04-14 Four de cuisson a micro-ondes comprenant une zone technique situee au sommet d'une paroi en forme de dome
EP20100159571 EP2242332B1 (de) 2009-04-14 2010-04-09 Mikrowellen Kochofen mit einer technischer Austüstung auf einer konischen Wandung.

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP10159571.8 Division 2010-04-09

Publications (2)

Publication Number Publication Date
EP2557895A2 true EP2557895A2 (de) 2013-02-13
EP2557895A3 EP2557895A3 (de) 2013-11-27

Family

ID=41800775

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20100159571 Active EP2242332B1 (de) 2009-04-14 2010-04-09 Mikrowellen Kochofen mit einer technischer Austüstung auf einer konischen Wandung.
EP12191901.3A Pending EP2557895A3 (de) 2009-04-14 2010-04-09 Mikrowellenbackherd, der eine kuppelförmige Wand umfasst

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20100159571 Active EP2242332B1 (de) 2009-04-14 2010-04-09 Mikrowellen Kochofen mit einer technischer Austüstung auf einer konischen Wandung.

Country Status (3)

Country Link
EP (2) EP2242332B1 (de)
ES (1) ES2421358T3 (de)
FR (1) FR2944407B1 (de)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993973A (en) 1959-04-06 1961-07-25 Westinghouse Electric Corp Microwave oven apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956144A (en) * 1958-12-22 1960-10-11 Westinghouse Electric Corp Electronic ovens
CH458574A (de) * 1965-12-28 1968-06-30 Husqvarna Vapenfabriks Ab Vorrichtung zur dielektrischen Wärmebehandlung
US4587393A (en) * 1984-01-05 1986-05-06 Matsushita Electric Industrial Co., Ltd. Heating apparatus having a sensor for terminating operation
JPS61184332A (ja) * 1985-02-12 1986-08-18 Enami Seiki:Kk 電子レンジ
JPH0654174B2 (ja) * 1989-12-20 1994-07-20 株式会社バンダイ 電子レンジ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2993973A (en) 1959-04-06 1961-07-25 Westinghouse Electric Corp Microwave oven apparatus

Also Published As

Publication number Publication date
FR2944407A1 (fr) 2010-10-15
EP2557895A3 (de) 2013-11-27
ES2421358T3 (es) 2013-08-30
FR2944407B1 (fr) 2012-02-10
EP2242332B1 (de) 2013-06-05
EP2242332A1 (de) 2010-10-20

Similar Documents

Publication Publication Date Title
EP1746351B1 (de) Backofen mit belüftetem Raum
US20090080178A1 (en) Kitchen Appliance
FR2647188A1 (fr) Four a halogene
KR100301904B1 (ko) 할로겐램프를구비한전자레인지의냉각장치
EP0922910A1 (de) Mehrpegel beleuchtungs vorrictung für haushaltofenmuffel
JP2007327676A (ja) 加熱調理器
KR101323325B1 (ko) 조리기기
EP2242332B1 (de) Mikrowellen Kochofen mit einer technischer Austüstung auf einer konischen Wandung.
JP6488177B2 (ja) 加熱調理器
FR2930815A1 (fr) Four de cuisson comprenant un dispositif de ventilation
FR2935780A1 (fr) Four de cuisson a gaz encastrable
FR2618529A1 (fr) Circuit de ventilation supplementaire pour four electro-domestique combine
FR2906875A1 (fr) Four de cuisson comprenant un canal de refroidissement d'une poignee de porte.
FR2906873A1 (fr) Four de cuisson ayant une hauteur de section de passage d'un flux d'air constante.
FR2714961A1 (fr) Système de ventilation pour table de cuisson ou analogue.
FR2731065A1 (fr) Dispositif de cuisson
FR2748796A1 (fr) Dispositif de refroidissement d'un ensemble de cuisson domestique
EP2242331B1 (de) Mikrowellenbackherd, der über mindestens eine Beleuchtungsvorrichtung verfügt
FR2944093A1 (fr) Four de cuisson comprenant au moins un dispositif d'eclairage
JP7285150B2 (ja) 加熱調理器
JP2005098601A (ja) 加熱調理器
CN215914206U (zh) 一种具有可视功能的空气炸锅
JP6368652B2 (ja) 加熱調理器
FR2923975A1 (fr) Dispositif de ventilation d'une table de cuisson a induction
FR2794219A1 (fr) Dispositif d'eclairage d'une enceinte de cuisson d'un four

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AC Divisional application: reference to earlier application

Ref document number: 2242332

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 6/64 20060101ALI20131021BHEP

Ipc: H05B 6/80 20060101AFI20131021BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20140528

19U Interruption of proceedings before grant

Effective date: 20140411

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

19W Proceedings resumed before grant after interruption of proceedings

Effective date: 20210901

D18D Application deemed to be withdrawn (deleted)