Muffler

Details Muffler Muffler

A - Human Necessities

47

L

A47L 9/00 (2006.01) F01N 1/24 (2006.01)

Patent

CA 2187659

An improved muffler for vacuum cleaners and other product applications is disclosed. The muffler includes a muffler body or enlarged head with a smaller hollow shaft extending from an open end of the muffler body or enlarged head for attachment to an exhaust of a vacuum cleaner or other application. The smaller hollow shaft terminates short of a transverse end wall of the muffler body. The transverse end wall may be constructed as a separate cover element. A noise dampening element is positioned adjacent the transverse end wall and also along an inner circumferential wall of the muffler body in order to dampen noise transmitted from the vacuum cleaner exhaust that passes through the smaller hollow shaft into the muffler body for absorption by the noise dampening element prior to being diverted by the transverse end wall in an opposite direction through the open end of the muffler body.

Cette invention concerne un silencieux amélioré pour aspirateurs et autres appareils analogues. Le silencieux comprend un corps ou une tête dont fait saillie un tube creux de diamètre plus petit qui se raccorde à l'échappement d'un aspirateur ou appareil analogue. Le tube creux s'arrête avant une cloison transversale du corps de silencieux, cloison qui peut être du type rapporté. Un atténuateur de bruit disposé à proximité de la cloison transversale recouvre la paroi intérieure du corps de silencieux pour affaiblir le bruit provenant de l'échappement de l'aspirateur via le tube creux, avant qu'il ne soit rétroréfléchi par la cloison transversale vers l'extrémité ouverte du corps de silencieux.

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