Carburetor for internal combustion engines

摘要

A carburetor for internal combustion engines with a fuel-carrying main injection system discharging upstream from an arbitrarily actuated main throttle into the intake duct. An idling mixture duct discharges downstream of this main throttle via an arbitrarily adjustable throttle cross section. From the idling mixture duct, a transition opening leads to the intake duct whose exit cross section upon opening the main throttle away from the idling position shifts from the intake duct section upstream of the main throttle to the downstream section. An auxiliary duct for adding further mixture connects the idling duct with the exit opening. The cross section of the auxiliary duct is regulated by a screw and the auxiliary duct has a ball retaining valve.