CPC Subgroup
F02B 25/20 Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
Full Title
Engines characterised by using fresh charge for scavenging cylinders > Means for reducing the mixing of charge and combustion residues or for preventing escape of fresh charge through outlet ports not provided for in, or of interest apart from, subgroups F02B25/02 - F02B25/18
2 direct subcodes
Child Classifications
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- F02B 25/22 by forming air cushion between charge and combustion residues
- F02B 25/24 Inlet or outlet openings being timed asymmetrically relative to bottom dead-centre