Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F02Combustion engines F02MSUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF

F02M19/00Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00

F02M19/01Apparatus for testing, tuning, or synchronising carburettors F02M19/02Metering-orifices F02M19/0203the cross-sectional area being changed pneumatically F02M19/0207the cross-sectional area being changed electrically F02M19/021the cross-sectional area being changed mechanically F02M19/0214Changing the nozzle cross-sectional area as a function of temperature F02M19/0217Movable mushroom-shaped spray nozzles F02M19/0221with a roughened spray stimulating surface or the like F02M19/0225Arrangement of nozzle in the suction passage F02M19/0228Ring nozzles F02M19/0232Fuel nozzle with device for return flow of leaked fuel F02M19/0235Arrangements of several spray nozzles not provided for in F02M3/00 or F02M11/00 F02M19/0239in a fixed aerofoil profile F02M19/0242with inserts of porous material F02M19/0246Nozzle cleaning F02M19/025Metering orifices not variable in diameter F02M19/03Fuel atomising nozzles Arrangement of emulsifying air conduits F02M19/035Mushroom-shaped atomising nozzles F02M19/04Fuel-metering pins or needles F02M19/06Other details of fuel conduits F02M19/063Built-in electric heaters F02M19/066Built-in cleaning elements F02M19/08Venturis F02M19/081Shape of venturis or cross-section of mixture passages being adjustable F02M19/082Venturi section being axially slidable in the mixture passages F02M19/083Venturi section consisting of a lamellae spring-like structure F02M19/085venturi section being made from elastic material F02M19/086Venturi suction bypass systems F02M19/087Venturi throat consisting of automatically adjusting balls F02M19/088Whirl devices and other atomising means in or on the venturi walls F02M19/10in multiple arrangement F02M19/105movable axially relative to each other F02M19/12External control gear F02M19/122Damping elements F02M19/124Connecting rods between at least two throttle valves F02M19/126Connecting rods between at least a throttle valve and an accelerating pump F02M19/128Reserve throttle idle return spring