Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system

Full Title

Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems > Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories > in relation to the intake system > Means for improving the mixing of air and recirculated exhaust gases, e.g. venturis or multiple openings to the intake system