Heating by electric, magnetic, or electromagnetic fields

HELECTRICITY H05Electric techniques H05BELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR

H05B6/00Heating by electric, magnetic, or electromagnetic fields

H05B6/02Induction heating H05B6/04Sources of current H05B6/06Control H05B6/062for cooking plates or the like H05B6/065using coordinated control of multiple induction coils H05B6/067for melting furnaces H05B6/08using compensating or balancing arrangements H05B6/10Induction heating apparatus, other than furnaces, for specific applications H05B6/101for local heating of metal pieces H05B6/102the metal pieces being rotated while induction heated H05B6/103multiple metal pieces successively being moved close to the inductor H05B6/104metal pieces being elongated like wires or bands H05B6/105using a susceptor H05B6/106in the form of fillings H05B6/107for continuous movement of material H05B6/108for heating a fluid H05B6/109using magnets rotating with respect to a susceptor H05B6/12Cooking devices H05B6/1209induction cooking plates or the like and devices to be used in combination with them H05B6/1218with arrangements using lights for heating zone state indication H05B6/1227for wok pans and wok pans supports for induction cooking plates H05B6/1236adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way H05B6/1245with special coil arrangements H05B6/1254using conductive pieces to direct the induced magnetic field H05B6/1263using coil cooling arrangements H05B6/1272with more than one coil or coil segment per heating zone H05B6/1281with flat coils H05B6/129induction ovens H05B6/14Tools H05B6/145Heated rollers H05B6/16Furnaces having endless cores H05B6/18having melting basin H05B6/20having melting channel only H05B6/22Furnaces without an endless core H05B6/24Crucible furnaces H05B6/26using vacuum or particular gas atmosphere H05B6/28Protective systems H05B6/30Arrangements for remelting or zone melting H05B6/32Arrangements for simultaneous levitation and heating H05B6/34Arrangements for circulation of melts H05B6/36Coil arrangements H05B6/362with flat coil conductors H05B6/365using supplementary conductive or ferromagnetic pieces H05B6/367for melting furnaces H05B6/38specially adapted for fitting into hollow spaces of workpieces H05B6/40Establishing desired heat distribution H05B6/405for heating gear-wheels H05B6/42Cooling of coils H05B6/44having more than one coil or coil segment H05B6/46Dielectric heating H05B6/48Circuits H05B6/50for monitoring or control H05B6/52Feed lines H05B6/54Electrodes H05B6/56Rolling electrodes H05B6/58"sewing machine" type H05B6/60Arrangements for continuous movement of material H05B6/62Apparatus for specific applications H05B6/64Heating using microwaves H05B6/6402Aspects relating to the microwave cavity H05B6/6405Self-cleaning cavity H05B6/6408Supports or covers specially adapted for use in microwave heating apparatus H05B6/6411the supports being rotated H05B6/6414Aspects relating to the door of the microwave heating apparatus H05B6/6417Door interlocks of the microwave heating apparatus and related circuits H05B6/642Cooling of the microwave components and related air circulation systems H05B6/6423wherein the microwave oven air circulation system is also used as air extracting hood H05B6/6426Aspects relating to the exterior of the microwave heating apparatus H05B6/6429Aspects relating to mounting assemblies of wall-mounted microwave ovens H05B6/6432Aspects relating to testing or detecting leakage in a microwave heating apparatus H05B6/6435Aspects relating to the user interface of the microwave heating apparatus H05B6/6438allowing the recording of a program of operation of the microwave heating apparatus H05B6/6441allowing the input of coded operation instructions H05B6/6444Aspects relating to lighting devices in the microwave cavity H05B6/6447Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors H05B6/645using temperature sensors H05B6/6452the sensors being in contact with the heated product H05B6/6455the sensors being infra-red detectors H05B6/6458using humidity or vapor sensors H05B6/6461using fire or fume sensors H05B6/6464using weight sensors H05B6/6467using detectors with R.F. transmitters H05B6/647Aspects related to microwave heating combined with other heating techniques H05B6/6473combined with convection heating H05B6/6476the refrigerating air being used for convection H05B6/6479using steam H05B6/6482combined with radiant heating H05B6/6485further combined with convection heating H05B6/6488combined with induction heating H05B6/6491combined with the use of susceptors H05B6/6494for cooking H05B6/6497the susceptors being liquids H05B6/66Circuits H05B6/662Aspects related to the boost transformer of the microwave heating apparatus H05B6/664Aspects related to the power supply of the microwave heating apparatus H05B6/666Safety circuits H05B6/668Microwave heating devices connected to a telecommunication network H05B6/68for monitoring or control H05B6/681Circuits comprising an inverter, a boost transformer and a magnetron H05B6/682wherein the switching control is based on measurements of electrical values of the circuit H05B6/683the measurements being made at the high voltage side of the circuit H05B6/685the measurements being made at the low voltage side of the circuit H05B6/686Circuits comprising a signal generator and power amplifier H05B6/687for cooking H05B6/688for thawing H05B6/70Feed lines H05B6/701using microwave applicators H05B6/702using coaxial cables H05B6/704using microwave polarisers H05B6/705using microwave tuning H05B6/707using waveguides H05B6/708in particular slotted waveguides H05B6/72Radiators or aerials H05B6/725Rotatable antennas H05B6/74Mode transformers or mode stirrers H05B6/745Rotatable stirrers H05B6/76Prevention of microwave leakage H05B6/763Microwave radiation seals for doors H05B6/766Microwave radiation screens for windows H05B6/78Arrangements for continuous movement of material H05B6/782wherein the material moved is food H05B6/784wherein the material is moved using a tubular transport line H05B6/786wherein the material is moved using mechanical vibrations of plates H05B6/788wherein an elongated material is moved by applying a mechanical tension to it H05B6/80Apparatus for specific applications H05B6/802for heating fluids H05B6/804Water heaters, water boilers H05B6/806for laboratory use H05B6/808Microwave heating adapted for vending machines