Fuel-controlling device

Claim 1

A carburetor for an internal combustion engine comprising a. a housing having an air intake opening and an output opening, b. a chamber in said housing for mixing said air with fuel thereby to produce a suspension of fuel particles in air, c. fuel valve means communicating with fuel in a chamber for controlling the flow of fuel to said mixing chamber, d. a float chamber for supplying fuel to said fuel chamber, e. a fluid coupling for flow of fuel having an inlet in said float chamber and an outlet in said fuel chamber, said inlet being disposed in said float chamber to provide a constant static fluid pressure in said fuel chamber, f. air valve means moveable in accordance with the airflow from the said intake to said output opening, said air valve means having an inner opening for said air flow, and g. adjustable means for selectively varying the effective area of said inner opening of said air valve means, said adjustable means comprising substantially horizontal travel control plates adjustably secured to said air valve means for movement radially to the axis of said air valve means for selectively varying said effective area of said inner opening.