having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders

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 > having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders

Child Classifications

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• F02M 26/43 in which exhaust from only one cylinder or only a group of cylinders is directed to the intake of the engine
• F02M 26/44 in which a main EGR passage is branched into multiple passages