INTERNAL COMBUSTION ENGINE FUEL SYSTEM AND UNIT OF REGULATE CONTENT OF GASEOUS FUEL USED IN THIS SYSTEM Russian patent published in 1998 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: fuel system of internal combustion engine has gaseous fuel supply device and air cleaner communicating with at least one mixing chamber of carburetor which has at least one venturi and two nozzle installed in spacer. System includes gaseous fuel content regulating unit for fuel delivered into carburetor mixing chamber. This unit is located in spacer and is in communication with gaseous fuel supply device. Spacer is arranged above carburetor mixing chamber. Unit provides delivery of gaseous fuel along at least two directions, first and second ones, into one mixing chamber through two nozzles. EFFECT: enhanced quality of mixing gas and air and accuracy of regulation. 14 cl, 6 dwg