Low-pressure fuel-injection apparatus

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Subclass:

SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF

Child Classifications

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• F02M 69/02 Pumps peculiar thereto
• F02M 69/04 Injectors peculiar thereto
• F02M 69/06 characterised by the pressurisation of the fuel being caused by centrifugal force acting on the fuel
• F02M 69/08 characterised by the fuel being carried by compressed air into main stream of combustion-air
• F02M 69/1 peculiar to scavenged two-stroke engines, e.g. injecting into crankcase-pump chamber
• F02M 69/12 comprising a fuel-displaced free piston for intermittently metering and supplying fuel to injection nozzles
• F02M 69/14 having cyclically-operated valves connecting injection nozzles to a source of fuel under pressure during the injection period
• F02M 69/16 characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of injectors
• F02M 69/28 characterised by means for cutting-out the fuel supply to the engine or to main injectors during certain operating periods, e.g. deceleration
• F02M 69/3 characterised by means for facilitating the starting-up or idling of engines or by means for enriching fuel charge, e.g. below operational temperatures or upon high power demand of engines
• F02M 69/44 characterised by means for supplying extra fuel to the engine on sudden air throttle opening, e.g at acceleration
• F02M 69/46 Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups