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

Child Classifications

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• F02M 26/14 in relation to the exhaust system since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/17 in relation to the intake system since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/22 with coolers in the recirculation passage since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/34 with compressors, turbines or the like in the recirculation passage since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/35 with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/36 with means for adding fluids other than exhaust gas to the recirculation passage; with reformers since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/37 with temporary storage of recirculated exhaust gas (internal exhaust gas recirculation F02M26/01) since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/38 with two or more EGR valves disposed in parallel since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/39 with two or more EGR valves disposed in series since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/40 with timing means in the recirculation passage, e.g. cyclically operating valves or regenerators; with arrangements involving pressure pulsations since 2016 IPC+CPC Available in IPC and CPC
• 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 since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/42 having two or more EGR passages; EGR systems specially adapted for engines having two or more cylinders since 2016 IPC+CPC Available in IPC and CPC