HEATING DEVICE Russian patent published in 2023 - IPC H05B3/40 H05K3/44 

FIELD: electrical engineering.

SUBSTANCE: invention relates to heating devices, and is intended for heating any environment both in industry and in everyday life. The technical result is an increase in work efficiency and coefficient of performance, expansion of the scope and temperature equalization on the outer surfaces of both cylinders. The technical result is achieved by the fact that the heating device comprises a cylinder with a spiral groove, in which the tensioned wire of the heating element is laid, and an additional cylinder coaxially located around the cylinder with a spiral groove. The cylinder with a spiral groove is made of metal with high thermal conductivity, the stretched wire of the heating element is placed in a tube of heat-resistant material, the additional cylinder is made in the form of a bimetallic steel tube with an inner layer of copper, while the length of both cylinders is greater than the length of the wire winding section.

EFFECT: increase in work efficiency and coefficient of performance, expansion of the scope and temperature equalization on the outer surfaces of both cylinders.

2 cl, 1 dwg