Patent ID: 8641015

Claim:
A carburettor further including a primary air passage, an adjustable throttle valve situated within the primary air passage, a fuel supply nozzle communicating with the primary air passage and connected to a valve member of a fuel metering valve for varying the amount of fuel discharged through the nozzle, and a rotary input shaft adapted to be connected to an engine speed control member and which is connected to the throttle valve to move the throttle valve between open and closed positions, the rotary input shaft being also connected to a carriage to move said carriage, the carriage carrying at least one inclined ramp surface means which extends in the direction of movement of the carriage and which is engaged by a follower connected to the valve member, wherein rotation of the input shaft results in movement of the throttle valve and in movement of the carriage and thus of the ramp surface means, so that the follower is movable transverse to the length of the ramp surface means and the valve member of the fuel metering valve is thus also moved.