F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
F02M15/00—Carburettors with heating, cooling or thermal insulating means for combustion-air, fuel, or fuel-air mixture
F02M15/02—Carburettors with heating, cooling or thermal insulating means for combustion-air, fuel, or fuel-air mixture with heating means, e.g. to combat ice-formation