INTERNAL COMBUSTION ENGINE FUEL SYSTEM Russian patent published in 2008 - IPC F02M9/02 

FIELD: engines and pumps.

SUBSTANCE: internal combustion engine fuel system contains a common housing, a casing of jets and solenoid valves with feed channels, a casing of an air piston assembly, a needle-jet casing, a fuel casing. The engine fuel system common housing attached to the engine manifold incorporates the jets casings and those of solenoid valves. The air piston assembly casing incorporating a cylinder with an orifice is linked to the driver's pedal is fitted above the common housing, the cylinder closing the orifices. The needle jet, thanks to rarefaction in starting the engine, suck in fuel from the fuel chamber and pulverises it, while the air piston assembly feeds air-fuel mix at whatever speeds and loads.

EFFECT: lower fuel consumption and higher engine output.

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