140560 ⎘
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 valves, or like controls, of elastic-wall type for controlling the passage, or for varying cross-sectional area, of fuel-air mixing chambers or of the entry passage
Sub-classes:FUEL REGULATOR
#2Charge forming device with electrically actuated vapor separator vent valve
#3Charge forming device with electrically actuated vapor separator vent valve
#4Carburetor including a manual fuel control device
#5Carburetor fuel control
#6Carburetor with rotary valve
#7Method, system and apparatus for supplying air and fuel mixture to a combustion chamber
#8Throttle valve device
#9Throttle valve device
#10Induction system for an internal combustion engine
#11Movable venturi carburetor of less fuel consumption, pollutant emission, and cost