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Exceeding air pollution emission standards in large cities leads to a search of methods of reducing emissions and their neutralization. One of the ways to improve air quality is to increase green infrastructure in urban areas. It leads to an increase in the demand for work machines that process waste from tree care is. Mobile chopping shredders for tree branches are driven by internal combustion engines defined in the standard as drives of non-road mobile machines. In the case of spark-ignition internal combustion engines, these provisions are liberal. This leads to a low level of technical advancement of these drives characterized mainly by the carburettor fuel supply system. The article presents an innovative research method of the fuel injector of the injection unit, enabling mechatronisation of the combustion engine's injection system. The measured values make it possible to evaluate the fuel consumption depending on the developed (patent pending) innovative control systems for the chipper drive. Ultimately, the conducted research will enable the increase of the effectiveness of wood chipping grinding processes and reduction of harmful emissions.

Innovative research method of the fuel injector that allows to evaluate the efficiency of wood chip drive control systems