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

Full Title

Low-pressure fuel-injection apparatus > 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

Child Classifications

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• F02M 69/32 with an air by-pass around the air throttle valve or with an auxiliary air passage, e.g. with a variably controlled valve therein
• F02M 69/34 with an auxiliary fuel circuit supplying fuel to the engine, e.g. with the fuel pump outlet being directly connected to injection nozzles
• F02M 69/36 having an enrichment mechanism modifying fuel flow to injectors, e.g. by acting on the fuel metering device or on the valves throttling fuel passages to injection nozzles or overflow passages