F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
F01N1/00—Silencing apparatus characterised by method of silencing
F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
F01N1/12—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using spirally or helically shaped channels
Moteur a combustion interne a plusieurs cylindres, equipe de la combinaison d'un turbo-compresseur et d'un compresseur de suralimentation a inertie
Systeme pour attenuer les ondes sonores contenues dans les gaz ou l'air d'evacuation des moteurs thermiques ou turbines ou materiels fonctionnant a l'air comprime