FIELD: internal combustion engines.
SUBSTANCE: invention can be used in the internal combustion engines. Gas mixing system comprises first and second surfaces (206), (208) and Venturi tubes. First surface (206) is located upstream of engine intake air flow. First surface (206) comprises inlets (212) of Venturi tubes configured to receive inlet air. Second surface (208) comprises Venturi tubes (214) arranged to discharge inlet air and exhaust gas recirculation gases. In Venturi nozzles (216), perforated holes (218) are made downstream relative to the flow of EGR gases, from the bent pipe passing in circumferential direction relative to the inlet pipe. Venturi tubes extend between the first and second surfaces perpendicular to the circumferential direction of the bent pipe.
EFFECT: technical result consists in improvement of mixing of inlet air and EGR gas flow.
7 cl, 7 dwg
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