Ohmic-resistance heating

HELECTRICITY H05Electric techniques H05BELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR

H05B3/00Ohmic-resistance heating

H05B3/0004Devices wherein the heating current flows through the material to be heated H05B3/0009the material to be heated being in motion H05B3/0014Devices wherein the heating current flows through particular resistances H05B3/0019Electrical diagrams H05B3/0023Electrical diagrams for heating by passing the current directly across the material to be heated H05B3/0028electrical diagrams for heating by particular resistances H05B3/0033Heating devices using lamps H05B3/0038for industrial applications H05B3/0042used in motor vehicles H05B3/0047for semi-conductors manufacture H05B3/0052for fluid treatments H05B3/0057for plastic handling and treatment H05B3/0061for metal treatment H05B3/0066for photocopying H05B3/0071for domestic applications H05B3/0076for cooking H05B3/008for heating of inner spaces H05B3/0085for medical applications H05B3/009related to general description of heaters without specification of field of application H05B3/0095Heating devices in the form of rollers H05B3/02Details H05B3/023the current passing through the material to be heated H05B3/026the current passing through particular resistances H05B3/03Electrodes H05B3/04Waterproof or air-tight seals for heaters H05B3/06Heater elements structurally combined with coupling elements or holders H05B3/08having electric connections specially adapted for high temperatures H05B3/10Heater elements characterised by the composition or nature of the materials or by the arrangement of the conductor H05B3/12characterised by the composition or nature of the conductive material H05B3/14the material being non-metallic H05B3/141Conductive ceramics H05B3/143applied to semi conductors H05B3/145Carbon only H05B3/146Conductive polymers H05B3/148Silicon H05B3/16the conductor being mounted on an insulating base H05B3/18the conductor being embedded in an insulating material H05B3/20Heating elements having extended surface area substantially in a two-dimensional plane H05B3/22non-flexible H05B3/24heating conductor being self-supporting H05B3/26heating conductor mounted on insulating base H05B3/262the insulating base being an insulated metal plate H05B3/265the insulating base being an inorganic material H05B3/267the insulating base being an organic material H05B3/28heating conductor embedded in insulating material H05B3/283the insulating material being an inorganic material H05B3/286the insulating material being an organic material H05B3/30on or between metallic plates H05B3/32heating conductor mounted on insulators on a metallic frame H05B3/34flexible H05B3/342heaters used in textiles H05B3/345knitted fabrics H05B3/347woven fabrics H05B3/36heating conductor embedded in insulating material H05B3/38powder conductors H05B3/40Heating elements having the shape of rods or tubes H05B3/42non-flexible H05B3/44heating conductor arranged within rods or tubes of insulating material H05B3/46heating conductor mounted on insulating base H05B3/48heating conductor embedded in insulating material H05B3/50heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins H05B3/52Apparatus or processes for filling or compressing insulating material in tubes H05B3/54flexible H05B3/56Heating cables H05B3/565flat cables H05B3/58Heating hoses Heating collars H05B3/60Heating arrangements wherein the heating current flows through granular powdered or fluid material H05B3/62Heating elements specially adapted for furnaces H05B3/64using ribbon, rod, or wire heater H05B3/66Supports or mountings for heaters on or in the wall or roof H05B3/68Heating arrangements specially adapted for cooking plates or analogous hot-plates H05B3/681Plates having mobile parts coming into contact with the bottom of the kettles, pans, or the like H05B3/683Plates having their feeding circuit closed as the kettles, pans or the like are put on H05B3/685Plates having magnetic means attracting the kettles, pans, or the like H05B3/686Heat-storage plates H05B3/688Fabrication of the plates H05B3/70Plates of cast metal H05B3/72Plates of sheet metal H05B3/74Non-metallic plates H05B3/742Plates having both lamps and resistive heating elements H05B3/744Lamps as heat source, i.e. heating elements with protective gas envelope H05B3/746Protection H05B3/748Resistive heating elements, i.e. heating elements exposed to the air H05B3/76Plates with spirally-wound heating tubes H05B3/78Heating arrangements specially adapted for immersion heating H05B3/80Portable immersion heaters H05B3/82Fixedly-mounted immersion heaters H05B3/84Heating arrangements specially adapted for transparent or reflecting areas H05B3/845specially adapted for reflecting surfaces H05B3/86the heating conductors being embedded in the transparent or reflecting material