Muffler for motor vehicle

• Main Authors: YAN JIE, ZHENG ZHONGXIA
• Format: Patent
• Language: English
• Published: 16.12.2015
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; STEAM ENGINES; WEAPONS

The utility model discloses a muffler for motor vehicle relates to car silencer manufacturing technical field, including the casing that is equipped with intake pipe and outlet duct, the inner space of casing is separated for first cavity, second cavity and third cavity along the orientation of admitting air by foraminiferous first baffle and second baffle, two are just passed in proper order to the terminal shutoff of intake pipe the baffle stretches into in the third cavity, the intake pipe in the second cavity with the third cavity is equipped with respectively to distribute on it has the foraminiferous pipeline section of a plurality of through -holes, the outlet duct in first cavity the second cavity with the third cavity is equipped with respectively to distribute on it has the foraminiferous pipeline section of a plurality of through -holes, the outlet duct in foraminiferous pipeline section in the third cavity is equipped with the high frequency sleeve pipe outward the high frequency sleeve pipe with be equipped with sound absorbing material between the outlet duct pipe wall. Compare prior art, the utility model discloses can solve the short and high problem of manufacturing cost of current silencer life.