Exhaust muffler

   
   

An exhaust muffler for an internal combustion engine included in a motorcycle includes a perforated inner pipe (32), an outer pipe (31) coaxially surrounding the inner pipe (32), and a glass wool mat (33) packed in a space between the inner pipe (32) and the outer pipe (31). A three-layer protective structure is formed by winding an inner stainless steel wire mesh (34) wound around the inner pipe (32), winding a stainless steel wool mat (35) around the inner stainless steel wire mesh (934), and winding an outer stainless steel wire mesh (36) around the stainless steel wool mat (35). The glass wool mat (33) is wound around the three-layer structure. The three-layer structure extends the life of the glass wool mat (33) even if the temperature and pressure of the exhaust gas discharged by the internal combustion engine increase.

Un silenciador del extractor para un motor de combustión interna incluido en una motocicleta incluye una pipa interna perforada (32), una pipa externa (31) que rodea coaxial la pipa interna (32), y una lana de cristal mat (33) embalado en un espacio entre la pipa interna (32) y la pipa externa (31). Una estructura protectora de la tres-capa es formada enrollando un acoplamiento de alambre interno de acero inoxidable (34) herido alrededor de la pipa interna (32), enrollando una estera inoxidable de las lanas de acero (35) alrededor del acoplamiento de alambre interno de acero inoxidable (934), y enrollando un acoplamiento de alambre externo de acero inoxidable (36) alrededor de la estera inoxidable de las lanas de acero (35). La estera de las lanas de cristal (33) se hiere alrededor de la estructura de la tres-capa. La estructura de la tres-capa amplía la vida de la estera de las lanas de cristal (33) incluso si la temperatura y la presión del gas de escape descargado por el motor de combustión interna aumentan.

 
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