OIL-FILLED ELECTRIC HEATER Russian patent published in 2008 - IPC F28F3/12 

FIELD: heating.

SUBSTANCE: invention is used for air heating in industrial and living rooms. Electric heater contains series-connected plate-type sections, control unit and heating element located in low part of electric heater. Control unit includes switch, temperature regulator, safety device and electric wires. Each plate-type section is tubular and includes at least two oil-guiding channels. Top and bottom sections of each plate-type section are installed horizontally in coupling casing, where openings are made for oil flowing. Openings are contacting those situated in plate-type sections. Top and bottom parts of each section may be distanced from each other in vertical plane and interconnected by bent section. Top and bottom parts of each section may be located in vertical plane in coaxial alignment to each other and interconnected by bent section.

EFFECT: high level of heat transfer, reduction of industrial costs during production and operation.

9 cl, 7 dwg