HEATING FURNACE Russian patent published in 2004 - IPC

FIELD: heating apparatuses, namely furnaces for heating, mainly small rooms and greenhouses.

SUBSTANCE: heating furnace includes vertical housing with parting zone for charging fuel, fuel container placed with gap inside housing, preliminary chamber with air intake, burner coaxial relative to preliminary chamber, U-shaped flue. Preliminary chamber with air intake is in the form of cone hopper adjoined without gap to housing; it has mouth open to tray and burner directed to mouth. Flue protrudes out of housing under level of parting zone; housing is embraced by screen.

EFFECT: enhanced operational efficiency of furnace due to lowered quantity of tar on flue walls, increased degree of fuel combustion, easy ash removal, improved reliability of igniting, continuous burning process, enlarged functional possibilities.

15 cl, 5 dwg