Sydorenko R. Improvement of fuel profitability and reduction toxicity of automobiles with engines transferred from petrol on gas

The dissertation is devoted to a choice and substantiation of expedient meanings of an adjusting corner of an advancing of ignition and adjustments of the gas supply system with the purpose of improvement of fuel profitability and reduction toxicity of rolling-stock of road transport with internal combustion engines with spark ignition after transferring from petrol on natural gas under exploitation conditions. In the dissertation is developed a methods of a choice of expedient meanings of an adjusting corner of an advancing of ignition and of an air-fuel ratio of the engine at change of a kind of fuel. The expedient meanings of these adjusting parameters are determined. The mathematical model of movement of a vehicle is elaborated. On mathematical model the influence of an adjusting corner of an advancing of ignition on the fuel consumption and harmful emissions on gas fuel is estimated. The electronic device of automatic change of an adjusting corner of an advancing of ignition at change of a kind offuel is made.