Patent ID: 7258327

Claim:
A carburetor comprising: a housing; an intake channel guided in said housing; said intake channel having a flow cross section and defining a longitudinal direction; a partition wall for partitioning said intake channel into an air channel and a mixture channel; said partition wall extending in said longitudinal direction; a throttle shaft pivotally journalled in said housing; a throttle flap mounted on said throttle shaft so as to pivot with said throttle shaft in said intake channel between a completely open position whereat said throttle flap only insignificantly influences said flow cross section and a closed position whereat said throttle flap substantially closes said flow cross section; a venturi formed in said mixture channel upstream of said throttle shaft; a fuel opening formed on said venturi and opening into said mixture channel; said flow cross section of said intake channel being less than 3 cm 2 ; and, means for dethrottling said mixture channel and/or for throttling said air channel when said throttle flap pivots out of said completely open position in a direction toward said closed position.