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

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 26/01 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
• F02M 26/02 EGR systems specially adapted for supercharged engines
• F02M 26/11 Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
• F02M 26/12 characterised by means for attaching parts of an EGR system to each other or to engine parts
• F02M 26/13 Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
• F02M 26/45 Sensors specially adapted for EGR systems
• F02M 26/49 Detecting, diagnosing or indicating an abnormal function of the EGR system
• F02M 26/5 Arrangements or methods for preventing or reducing deposits, corrosion or wear caused by impurities
• F02M 26/51 EGR valves combined with other devices, e.g. with intake valves or compressors
• F02M 26/52 Systems for actuating EGR valves
• F02M 26/65 Constructional details of EGR valves