the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air

Full Title

Low-pressure fuel-injection apparatus > characterised by means for metering continuous fuel flow to injectors or means for varying fuel pressure upstream of injectors > the means being metering valves throttling fuel passages to injectors or by-pass valves throttling overflow passages, the metering valves being actuated by a device responsive to the engine working parameters, e.g. engine load, speed, temperature or quantity of air

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 69/2 the device being a servo-motor, e.g. using engine intake air pressure or vacuum
• F02M 69/22 the device comprising a member movably mounted in the air intake conduit and displaced according to the quantity of air admitted to the engine
• F02M 69/24 the device comprising a member for transmitting the movement of the air throttle valve actuated by the operator to the valves controlling fuel passages