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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