Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems

Child Classifications

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• F02M 2026/001 2nd only +9 CPC CPC only CPC only
• F02M 26/01 Internal exhaust gas recirculation, i.e. wherein the residual exhaust gases are trapped in the cylinder or pushed back from the intake or the exhaust manifold into the combustion chamber without the use of additional passages since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/02 EGR systems specially adapted for supercharged engines since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/11 Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/12 characterised by means for attaching parts of an EGR system to each other or to engine parts since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/13 Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/45 Sensors specially adapted for EGR systems since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/49 Detecting, diagnosing or indicating an abnormal function of the EGR system since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/50 Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities (arrangement or layout of EGR passages with means for cleaning or treating the recirculated gases F02M26/35; protection of EGR valves from damage F02M26/74) since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/51 EGR valves combined with other devices, e.g. with intake valves or compressors (combined with intake air throttles F02M26/64) since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/52 Systems for actuating EGR valves since 2016 IPC+CPC Available in IPC and CPC
• F02M 26/65 Constructional details of EGR valves since 2016 IPC+CPC Available in IPC and CPC