Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories

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

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Subclass:

SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF

Child Classifications

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• F02M 26/14 in relation to the exhaust system
• F02M 26/17 in relation to the intake system
• F02M 26/22 with coolers in the recirculation passage
• F02M 26/34 with compressors, turbines or the like in the recirculation passage
• F02M 26/35 with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
• F02M 26/36 with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
• F02M 26/37 with temporary storage of recirculated exhaust gas
• F02M 26/38 with two or more EGR valves disposed in parallel
• F02M 26/39 with two or more EGR valves disposed in series
• F02M 26/4 with timing means in the recirculation passage, e.g. cyclically operating valves or regenerators; with arrangements involving pressure pulsations
• F02M 26/41 characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds; characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
• F02M 26/42 having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders