Carburettors with means for influencing

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

F02M7/00Carburettors with means for influencing

F02M7/02Carburettors having aerated fuel spray nozzles F02M7/025Fuel cut-off by introducing brake air in the conduit system leading to the main jet F02M7/04Means for enriching charge at high combustion-air flow F02M7/045Mechanical adjustment of the spray nozzle cross-section in connection with the choke F02M7/06Means for enriching charge on sudden air throttle opening, i.e. at acceleration F02M7/08using pumps F02M7/083a pump sucking fuel from the conduit system leading to the spray nozzle downstream of the metering cross-section during deceleration F02M7/087changing output according to temperature in engine F02M7/093changing output according to intake vacuum F02M7/10Other installations, without moving parts, for influencing fuel/air ratio F02M7/103with self-acting equaliser jets F02M7/106Fluid amplifier as a device for influencing the fuel-air mixture F02M7/11Altering float-chamber pressure F02M7/12Other installations, with moving parts, for influencing fuel/air ratio F02M7/127Altering the float-chamber pressure F02M7/133Auxiliary jets, i.e. operating only under certain conditions F02M7/14with means for controlling cross-sectional area of fuel spray nozzle F02M7/16operated automatically F02M7/17by a pneumatically adjustable piston-like element F02M7/18with means for controlling cross-sectional area of fuel-metering orifice F02M7/20operated automatically F02M7/22fuel flow cross-sectional area being controlled dependent on air-throttle-valve position F02M7/225The fuel orifice opening is controlled by a manually actuatable throttle valve so as to vary the cross-sectional area of the orifice F02M7/24with means for controlling amount of air for aerating fuel F02M7/245Accessories F02M7/26dependent on position of optionally operable throttle means F02M7/28dependent on temperature or pressure