DUAL-FUEL TURBOCHARGED INTERNAL COMBUSTION ENGINE Russian patent published in 1999 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: dual-fuel turbocharged internal combustion engine has carburetor, mixer with air and gas intake channels and gas-air mixture outlet channels. High pressure regulator, electromagnetic valve with gas filter and two-stage low pressure regulator with higher pressure first stage and lower pressure second stage, main line to deliver gasoline into carburetor and turbocompressor with turbine connected to exhaust pipe line of engine are arranged in tandem in gas supply main line. Mixer is made in guide-vane assembly of compressor. Above-diaphragm space of low pressure regulator first stage communicates with each venturi of carburetor through of pipelines, each furnished with pneumatic valve-accelerator and controlled meter. Shutoff member is installed in place of pipeline branching. Above-diaphragm space of second stage of low pressure regulator communicates with compressor guide - vane assembly. EFFECT: increased efficiency of engine, provision of high performance characteristics at operation on gasoline and gas over entire speed and load ranges. 3 dwg