HEATING APPLIANCE Russian patent published in 2000 - IPC

FIELD: water and steam heating systems of dwellings and industrial buildings. SUBSTANCE: heating agent steel pipe is connected with fins made from casting alloy, aluminum alloy for example. Heating agent pipe is made in form of solid coil with more than two starts; it is provided with parallel tubular elements. Fins are made in form of plates having prismatic form in cross section; they are located at spaced relation to each other. Width of contact surface of fins ranges from 0.24 to 0.32 of height of section of fin directed towards object to be heated. Height of this section of fin ranges from 1.6 to 2.0 of outer diameter of heating agent pipe. Fins are made in sections and are provided with strips for locking them in required position and rounding- off their vertices. EFFECT: improved quality; increased service life and power of heating appliances; reduced consumption of labor; low cost; ease of maintenance. 4 cl, 5 dwg