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
F01N13/00—Exhaust or silencing apparatus characterised by constructional features
F01N13/06—Exhaust or silencing apparatus characterised by constructional features specially adapted for star-arrangement of cylinders, e.g. exhaust manifolds
Systeme de fermeture et d'ouverture rapides de la section d'ecoulement de fluide d'un conduit, et moteur thermique a deux temps incorporant ledit systeme.