DISPOSITIF POUR INTRODUIRE UN MELANGE CARBURE DANS UNE CHAMBRE DE COMBUSTION D'UN MOTEUR A COMBUSTION INTERNE, NOTAMMENT D'UN MOTEUR A DEUX TEMPS

摘要

The device for introducing pressurized fuel mixture into combustion chamber comprises a valve (38) for sealing a carbureted mixture pipe (40). An assistance part connected to the valve comprises a movable separation element (50) delimiting upper (54) and lower (56) chambers. There is a pressurized air supply channel (62) to one of the chambers and fluidic communication means (64) between the chambers. Thee communication means comprise a passage section reduction (70,72) for braking the pressurized air leaving one of the chambers.