HEATING SYSTEM Russian patent published in 2009 - IPC F24D1/00 

FIELD: heating.

SUBSTANCE: heating system consists of closed heat transfer circuit filled with working agent in form of liquid and its steam, of evaporator conjugated with source of heat energy within heat flow, of heat supplying piping; of condensation-heating appliances and of reverse pipeline. The reverse pipeline has branches, wherein each branch passes through a collecting-displacing vessel limited with valves preventing displacement of working agent via the branch in the direction from the evaporator to the heating appliances. The collecting-displacing vessels are connected to a compressor by means of a system of valves and pipelines; the system facilitates connection of one of the collecting-displacing vessels to a suction branch of the compressor and connection of another collecting-displacing vessel to a pressure branch of the compressor. The system of valves and pipelines provides switching of the first collecting-displacing vessel from the suction branch to the pressure branch of the compressor, and switching of the second collecting-displacing vessel from the pressure branch to the suction branch of the compressor.

EFFECT: reduced amount of working agent in system due to low density of steam of working agent in system and due to efficient return of condensed drops of working agent from heating appliances to evaporator by means of circulating steam-gas flow.

8 cl, 2 dwg