INTERNAL COMBUSTION ENGINE CARBURETTOR WITH PETROL HEATER Russian patent published in 2008 - IPC F02M21/00 F02M15/00 

FIELD: engines and pumps.

SUBSTANCE: internal combustion engine carburettor with a petrol heater incorporates an ellipse-shaped air branch pipe arranged in the upper, medium and lower parts coupled by pressure seal gaskets. The said air branch pipe incorporates also a prechamber air branch pipe with air channels, balancing channels, a float chamber cover made integral with the aforesaid ellipse-shaped air branch pipe and having a press-fitted fuel line union, a float and float mechanism valve. The aforesaid carburettor incorporates also a rotary air valve with a membrane and manual control mechanisms, a part of the econostat, the econostat fuel jet, a float chamber, primary and secondary chambers, each with small and greater diffusers, an idling system, primary and secondary chambers main metering systems, an econostat emulsion channel with a jet extended to the secondary chamber, a flange-connected diaphragm accelerating pump, throttles with control mechanisms arranged in mixing chambers. A petrol-gas channel is arranged in the medium and upper parts extended to the primary chamber part, for example, to the small diffuser central channel, from the float chamber above-petrol space isolated from the econostat air part.

EFFECT: lower petrol consumption.

2 cl, 3 dwg