BURNER UNIT Russian patent published in 2003 - IPC

FIELD: power engineering; motor-car industry; burners used as parts of heating appliances. SUBSTANCE: diameter of central bore in butt-end confining wall of combustion chamber is greater than that of air feed nozzle; additional combustion chamber is disposed between butt-end confining wall and vortex generator; mounted on combustion-chamber bottom are additional evaporating member, additional pipe union, spark plug, and fuel feed pipe connection; additional combustion chamber is formed by two cylindrical surfaces coaxial to air feed nozzle, these surfaces being joined together with aid of flat annular bottom; clearance is provided between cylindrical surface of smaller diameter and air feed nozzle; upper edge of greater-diameter cylinder is joined with butt-end surface of combustion chamber and that of smaller-diameter cylinder is connected through gas-tight joint over outer-diameter line with flat ring which is connected through gas-tight joint over inner diameter to outer surface of air feed nozzle, its height being smaller than that of smaller- diameter cylinder; symmetrical holes are made in both cylindrical surfaces of additional combustion chamber. EFFECT: enhanced reliability of starting at sub-zero temperatures; enlarged dynamic range with respect to heat productivity. 1 cl, 1 dwg