Adaptive multifrequency reactive muffler

Details Adaptive multifrequency reactive muffler Adaptive multifrequency reactive muffler

G - Physics

10

K

G10K 11/16 (2006.01) F01N 13/18 (2010.01) F01N 1/00 (2006.01) F01N 1/06 (2006.01) F01N 1/08 (2006.01) F01N 1/16 (2006.01) F01N 9/00 (2006.01) F01N 7/18 (2006.01)

Patent

CA 2118211

An active noise cancellation muffler for automotive and industrial use as shown in the figure comprises a muffler chamber, an internal plate with an attached pipe mounted inside the muffler chamber dividing the muffler chamber into first and second chambers, a controller system including a linear motor/actuate, a motor/actuator controller and an error microphone for moving the partition plate in both directions (~.DELTA.~) to change the relative sizes of the first and second chambers.

Silencieux pour véhicules automobiles ou usage industriel comportant une chambre de détente des gaz, une plaque à laquelle est fixé un tuyau et qui divise la chambre en deux compartiments, et un circuit de commande constitué par un actionneur à moteur linéaire, un dispositif de commande de l'actionneur et un microphone de détection-correction d'erreurs, et commandant le mouvement de la plaque de séparation dans les deux sens (delta) pour modifier le volume relatif de chacun des deux compartiments.

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