CPC Subgroup
F02M 26/13 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
12 direct subcodes
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 (internal exhaust gas recirculation F02M26/01)
- 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 26/40 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
Top Applicants
Top 10 applicants by patent filingsfor class F02, 2013–2023, worldwide · Source: EPO PATSTAT
- ROBERT BOSCH DE 8,801
- FORD GLOBAL TECHNOLOGIES US 8,171
- GE (GENERAL ELECTRIC COMPANY) US 6,957
- HYUNDAI MOTOR COMPANY KR 5,390
- UNITED TECHNOLOGIES CORPORATION (UTC) US 5,250
- TOYOTA MOTOR CORPORATION JP 5,214
- TOYOTA MOTOR CORPORATION 4,149
- DENSO CORPORATION JP 3,400
- KIA MOTORS CORPORATION KR 3,388
- SAFRAN AIRCRAFT ENGINES FR 3,332