140572 ⎘
Carburettors having air or fuel-air mixture passage throttling valves other than of butterfly type ; Carburettors having fuel-air mixing chambers of variable shape or position having venturi and nozzle relatively displaceable essentially along the venture axis
Movable venturi carburetor of less fuel consumption, pollutant emission, and cost
#2General-purpose engine
#3Multiple circuit—single valve metering system for carburetor
#4Carburetors having filter arrangements