Variable size venturi carburetor with an electronic air/fuel ratio control system

摘要

The position of a fuel nozzle of a variable size venturi carburetor is adjustable with respect to the venturi orifice in dependence on climatic conditions such as an ambient temperature and/or atmospheric pressure. An additional air delivery passageway controllable by an electronic air/fuel ratio control system in dependence on an exhaust gas sensor signal is connected with the fuel nozzle.