an exhaust muffler
An exhaust muffler and airflow technology, which is applied in the field of auto parts, can solve the problems of large exhaust backpressure, regeneration noise, and high inlet flow velocity, and achieve the effects of reducing airflow velocity, reducing exhaust backpressure, and improving noise reduction effect
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[0026] like figure 1 and figure 2 As shown, an exhaust muffler includes a muffler main body 1. The muffler main body 1 includes a cylinder body 10 and a cylinder cover 11 closing the axial ends of the cylinder body. The cylinder body 10 is connected to the intake pipe on the first axial side. 2. The air outlet pipe 3 is connected to the second side in the axial direction, and the air inlet pipe 2 and the air outlet pipe 3 are provided with perforations inside the cylinder body 10 . At least one airflow blocking unit is sequentially provided in the inner cavity of the barrel from the first side to the second side in the axial direction.
[0027] Wherein, the air flow blocking unit includes a first support partition, a second support partition and an intermediate chamber formed between them, a perforated tube connected at both ends passes through the first support partition and the second support partition Passing through the center, the first supporting partition passes thro...
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