CentralNotice From Wikipedia, the free encyclopedia Jump to: navigation , search "Carburation" redirects here. You may be looking for carburizing or carbonation . Bendix-Technico (Stromberg) 1-barrel downdraft carburetor model BXUV-3, with nomenclature A carburetor ( American and Canadian spelling), carburator , carburettor , or carburetter ( Commonwealth spelling ) is a device that blends air and fuel for an internal combustion engine . It is sometimes colloquially shortened to carb in North America or carby in Australia. [ 1 ] To carburate or carburet (and thus carburation or carburetion , respectively) is to blend the air and fuel or to equip (an engine) with a carburetor for that purpose. Carburetors have largely been supplanted in the automotive industry by fuel injection . They are still common on small engines for lawn mowers , rototillers , and other eq...