INTERNAL COMBUSTION ENGINE Russian patent published in 1994 - IPC

FIELD: manufacture of engines. SUBSTANCE: internal combustion engine 1 has device for enrichment of air charge with oxygen which consists of super-charging unit 2 with gas or mechanical linkage, exhaust manifold 3, intake manifold 4 with or without supercharging air cooler 5, intake pipe line 6 which is jointed with supercharging unit 2 with enriching additive 7 inside it which is just chamber formed by inner pipe 8 made of oxygen permeable material and located inside intake pipe line 6 or by part of intake pipe line 6 separated from it by diaphragm which is made of oxygen permeable material, mounted along its axis and jointed with jet 9 fitted in exhaust pipe line 10, connecting pipe line 11 in which throttle valve 12 is mounted for raising the pressure as compared with intake pipe line 6. EFFECT: enhanced economical efficiency of engine through reduction of consumption of energy required for enrichment of air charge with oxygen, reduction of concentration of toxic components in exhaust gases by mixing air in exhaust gases flowing from enriching additive, as well as simplified construction. 2 cl, 4 dwg