FIELD: energy.
SUBSTANCE: invention relates to power engineering. Bottom unit for combustion chamber unit vaporising oil burner, in particular, to device for heating of vehicle body, containing bottom (32) with first bottom wall (34) and first surrounding wall (38) spreading mainly along lengthwise axis (L) of bottom unit (30), from outer edge zone (36) of first wall of bottom (34) and on front side (40) of first wall of bottom (34), adjustable facing combustion chamber (14), porous evaporator element (42) covering first wall of bottom (34), at least in some places, according to invention comprises first ring-shaped support part (52) with second surrounding wall (54) and with installation (56), fixed on a porous element of evaporator (42), wherein first enclosing wall (38), moving away from first wall of bottom (34), distributed on rear side of first wall bottom, adjustable on back side (44) from combustion chamber (14) in direction of evaporator (42), and second surrounding wall (54) covers first surrounding wall (38) on its outer side along axis, at least partially, and is fixed on it.
EFFECT: invention provides a burner which is easy to manufacture.
20 cl, 8 dwg
