Patent ID: 7410152

Claim:
A venturi insert device for a gaseous fuel carburetor, comprising: a venturi body with a passage for air flow through the venturi body, the passage having an air inlet end, a fuel-air mixture outlet end, and a venturi throat of reduced cross-sectional area; the venturi body being of predetermined shape and dimensions adapted for seating engagement with a carburetor such that the air inlet end communicates with an air inlet of the carburetor and the fuel-air mixture outlet communicates with the outlet of the carburetor; the venturi body having an outer flange of predetermined dimensions adapted for engagement with a fuel-air mixer seating rim of a carburetor housing; the venturi body having a fuel inlet port adapted for communication with a fuel supply port of the carburetor; a cover member extending over part of the venturi body to define a fuel supply chamber between the cover member and venturi body, the fuel supply chamber communicating with the fuel inlet port; a plurality of fuel supply openings in the venturi body connecting the fuel supply chamber with the venturi throat; and fastener devices adapted to secure the venturi body to the carburetor housing.