FIELD: engine engineering. SUBSTANCE: carburetor has float chamber 1 and fuel nozzle 2. Cylindrical internal 3 and outer 5 grooves are provided on outer and inner side surfaces of fuel nozzle 2 from the side of the base. Evaporating wick member 4 having triboelectrical effect is received in groove 3. Outer cylindrical groove 5 is coupled with by-pass passages 13 through additional passage 12 and with receiving manifold through additional passage 14. The area of cross-section of additional passages 12,14 and the area of evaporating member 4 are defined by fuel rate and required vacuum. Material of the evaporating wick member is defined by a condition available in the invention description. EFFECT: enhanced efficiency. 1 dwg
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