FIREPLACE Russian patent published in 2008 - IPC F24B1/185 

FIELD: heating.

SUBSTANCE: fireplace includes vessel in the bottom of which is located ashpit with slope and box-type receptacle of ash, fire bars, furnace and chimney with smoke-pass round screen. At the top of fireplace vessel above the furnace it is located domelike partition of draught stabilisation, at the top of which under chimney is fastened bevelled tubular jet. On jet bevel is located plate-holder with bimetallic thermostat, executed thus that being heated it unbends and blocks jet output cross-section, reduces fuel gas flow and outfitted by rod adjusting screw. Draught stabilisation partition creates at the top of fireplace vessel heat exchange chamber. Under the draught stabilization partition is lean mounted gas-moving partition. Lengthways of gas-moving partition root line to the front side part of vessel slots of auxiliary air feeding forms. In draught stabilisation partition over the gas-moving partition lengthways contiguity line to vessel sidewall are located holes for gas direction control. To the front lower edge of draught stabilisation partition is vertically fastened burn up chamber partition with arched top edge which forms burn up chamber. Inside the burn up chamber on the vessel is hinged secondary air valve with two set pin outfitted by screws in boards, which blocks chain of openings for secondary air feeding made in vessels. In heat-exchange chamber are located two thermo draughts, fixed by one end to the top part of vessel, and by other end - to the set pins of valve which open holes of secondary air feeding being heated.

EFFECT: improving of thermal effectiveness and fuel efficiency of fireplace with simultaneous reducing of fire hazard.

5 cl, 1 dwg