EP0677980A2 - Surface de cuisson à chauffage par induction - Google Patents

Surface de cuisson à chauffage par induction Download PDF

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Publication number
EP0677980A2
EP0677980A2 EP95105531A EP95105531A EP0677980A2 EP 0677980 A2 EP0677980 A2 EP 0677980A2 EP 95105531 A EP95105531 A EP 95105531A EP 95105531 A EP95105531 A EP 95105531A EP 0677980 A2 EP0677980 A2 EP 0677980A2
Authority
EP
European Patent Office
Prior art keywords
plate
induction
heated
hob according
heated hob
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Withdrawn
Application number
EP95105531A
Other languages
German (de)
English (en)
Other versions
EP0677980A3 (fr
Inventor
Udo Baumann-Schauer
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.)
Electrolux Therma GmbH
Original Assignee
Electrolux Therma GmbH
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 Electrolux Therma GmbH filed Critical Electrolux Therma GmbH
Publication of EP0677980A2 publication Critical patent/EP0677980A2/fr
Publication of EP0677980A3 publication Critical patent/EP0677980A3/fr
Withdrawn legal-status Critical Current

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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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/12—Cooking devices
    • H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them

Definitions

  • the invention relates to an induction-heated hob, consisting of an induction coil and a plate arranged above it.
  • Cooking areas are usually heated by electrical resistance rods with which a hotplate is heated, by open gas flames which directly affect the bottom of a cooking vessel, or by infrared heating elements with which radiant heat is transferred to the cooking vessels.
  • the infrared heaters can be operated with electric current or gas and are usually arranged below a glass ceramic hotplate that allows the heat radiation to pass through unhindered.
  • induction heating is increasingly being used.
  • an induction coil With the help of an induction coil, a magnetic field is generated that generates heat in the bottom of a cooking vessel located above it by induction.
  • the bottom of the cooking vessel consists of a magnetizable material, in particular iron-containing material, while the plate receiving the cooking vessel cannot be magnetized is.
  • a glass ceramic plate is therefore well suited as a hotplate, as with infrared heating.
  • the invention has for its object to design an induction-heated hob so that it can be used as a roasting, griddle or crepe plate without a cooking vessel.
  • the plate arranged above the induction coil consists of iron-containing material and is designed to prepare roast, griddle or crepes items placed directly on it.
  • the food is therefore prepared directly on the plate without a separate cooking vessel.
  • the plate is heated evenly by the induction field, whereby the temperature can be regulated in a sensitive manner according to the material.
  • the plate can be designed as a tilting frying pan with an all-round spray or crucible rim.
  • the plate in another embodiment, it is possible to arrange the plate as an additional part over a glass ceramic plate. Since the induction field passes through the glass ceramic plate unhindered, all the energy is transferred to the plate made of ferrous material above and converted there into heat. Alternatively, the glass ceramic plate can still be used to place cooking vessels on top.
  • Fig. 3 shows in cross section a frying plate of conventional design. It consists of an electric heating element 1 and a roasting or griddle plate 2 located above it, which is provided with a spray rim 3. The electrical resistance heater 1 is controlled by a thermostat 4. There is thermal insulation 5 under the radiator.
  • the fried food is placed on the plate 2 and prepared on it.
  • the plate 6 consists of an iron-containing material and is arranged above an induction coil 7.
  • the induction coil is supplied with current in a controlled manner by a generator 8.
  • the plate 6 can consist of a distortion-free material, in particular metal, suitable for hot plates or frying plates, which material does not necessarily have to be magnetizable. It is sufficient if the upper side and possibly also the lower side is or are coated with a ferritic material. Alternatively, the plate 6 can also consist of hard chrome-plated steel or stainless steel.
  • the heating energy can be switched on and off via the generator 8 and can be regulated sensitively so that the material placed on it can be cooked according to requirements.
  • the plate 6 according to FIG. 1 is designed as a tilting frying pan and for this purpose is provided with an all-round spray or crucible rim 9.
  • the plate 10 consisting of iron-containing material is designed as an additional part for an induction-heated hotplate with a glass ceramic plate 11, an induction coil 12 and a generator 13.
  • 11 cooking vessels with a ferritic base can be placed on the glass ceramic plate and are heated by the magnetic field. If dishes are to be prepared on a frying plate, the plate 10 is placed over the plate 11, insulating spacers 13 being provided. Since the magnetic field passes through the glass ceramic plate 11 unhindered, it becomes transfer all of the energy to the plate 10 made of ferrous material and use it there for frying.
  • the plate 10 is provided with a spray edge 14 which can be provided on the rear long side and, if appropriate, on the two narrow sides.
  • the spray rim 14 can also be configured as a removable additional part, or can be arranged in a fixed manner.
  • the plate 10 also has on its top parallel to its edges an all-round groove 15, which serves as a juice channel for receiving liquid food.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Baking, Grill, Roasting (AREA)
  • General Induction Heating (AREA)
EP95105531A 1994-04-13 1995-04-12 Surface de cuisson à chauffage par induction. Withdrawn EP0677980A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9406148U DE9406148U1 (de) 1994-04-13 1994-04-13 Induktionsbeheizte Kochstelle
DE9406148U 1994-04-13

Publications (2)

Publication Number Publication Date
EP0677980A2 true EP0677980A2 (fr) 1995-10-18
EP0677980A3 EP0677980A3 (fr) 1996-02-21

Family

ID=6907278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95105531A Withdrawn EP0677980A3 (fr) 1994-04-13 1995-04-12 Surface de cuisson à chauffage par induction.

Country Status (2)

Country Link
EP (1) EP0677980A3 (fr)
DE (1) DE9406148U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013090160A3 (fr) * 2011-12-14 2013-10-10 Premark Feg L.L.C. Appareil de cuisson à induction

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10127051C2 (de) * 2001-06-02 2003-06-26 Schott Glas Kochfeld

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307009A (en) * 1962-11-30 1967-02-28 Charles F Schroeder Electromagnetic heating unit
DE2806794C2 (de) * 1978-02-17 1984-10-25 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Kochherd
FR2419705A1 (fr) * 1978-03-17 1979-10-12 Tran Dinh Can Jean Dispositif permettant de chauffer les recipients non magnetiques sur les cuisinieres a induction
DE3602666A1 (de) * 1986-01-29 1987-07-30 Wmf Wuerttemberg Metallwaren Einrichtung zum kochen von speisen
US5227597A (en) * 1990-02-16 1993-07-13 Electric Power Research Institute Rapid heating, uniform, highly efficient griddle
US5134265A (en) * 1990-02-16 1992-07-28 Metcal, Inc. Rapid heating, uniform, highly efficient griddle
JPH05217665A (ja) * 1992-02-05 1993-08-27 Matsushita Electric Ind Co Ltd 誘導加熱調理器
EP0585629B1 (fr) * 1992-09-03 1997-12-17 Hidec Corporation Ltd. Elément de chauffage par induction électromagnétique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013090160A3 (fr) * 2011-12-14 2013-10-10 Premark Feg L.L.C. Appareil de cuisson à induction
CN103988577A (zh) * 2011-12-14 2014-08-13 浦瑞玛柯Feg有限责任公司 感应烹饪装置

Also Published As

Publication number Publication date
DE9406148U1 (de) 1994-06-09
EP0677980A3 (fr) 1996-02-21

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