IPC Subgroup
F02B 25/2 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, groups
Introduced: September 1968
Last revised: January 2006
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, groups
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
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