Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions (choke valves for starting F02M1/00)

Child Classifications

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• F02M 7/02 Carburettors having aerated fuel spray nozzles +1 CPC IPC+CPC Available in IPC and CPC
• F02M 7/04 Means for enriching charge at high combustion-air flow +1 CPC IPC+CPC Available in IPC and CPC
• F02M 7/06 Means for enriching charge on sudden throttle opening, i.e. at acceleration, e.g. storage means in passage way system IPC+CPC Available in IPC and CPC
• F02M 7/10 Other installations, without moving parts, for influencing fuel/air ratio, e.g. electrical means (fuel aerating devices for influencing fuel/air ratio F02M7/23) +2 CPC IPC+CPC Available in IPC and CPC
• F02M 7/12 Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves (F02M7/24 takes precedence) IPC+CPC Available in IPC and CPC
• F02M 7/23 Fuel aerating devices since 1985 IPC+CPC Available in IPC and CPC