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
F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
F01N1/18—Silencing apparatus characterised by method of silencing by using movable parts having rotary movement
Dispositif pour corriger automatiquement, par l'introduction d'air supplémentaire, la proportion du mélange explosif dans les moteurs à explosion.