Abstract: An oil burner of the type comprising a burner housing having several nozzles (16, 17) adapted to introduce pressurized oil (18, 20) and through which housing combustion air (39) is blown for being mixed with the finely distributed oil drops ejected from the nozzles, and in which the burner nozzles (16, 17) are mounted substantially symmetrically with respect to the longitudinal axis (26) of the burner and are mounted angularly to each other, preferably at an angle of 6.degree.-10.degree. and so that the center axis (27, 28) of the oil jets cross each other at or in-front of the outlet (23) of a flame cup (13) of the burner.