FURNACE Russian patent published in 2010 - IPC F24B1/02 

FIELD: heating.

SUBSTANCE: furnace includes housing 1, firebox 2, flue gas removal pipe 3 with damper 4, at least one chamber 5 with heat storage charge 6 or at least one tank - heat receiver, flue gas duct 7 made around the chamber(s) with heat storage charge or tank(s) of heat receivers, as well as firebox and connected to the cavity located below the firebox. Furnace includes an additional pipe installed in fire box and in the hole of chamber(s) 5 with heat storage charge and connecting cavity 8 below firebox 2 to flue gas removal pipe 3. Upper edge of additional pipe 9 is located below the level of damper 4 of flue gas removal pipe 3. Damper 4 of flue gas removal pipe 3 is made with possibility of overlapping the hole between flue gas removal pipe 3 and additional pipe 9 so that flue gases can flow, when damper 4 is closed, via flue gas duct 7, cavity 8, additional pipe 9 and flue gas removal pipe 3 above damper 4.

EFFECT: increasing heat release of furnace, decreasing fuel consumption.

4 cl, 4 dwg