FIELD: acoustics.
SUBSTANCE: invention relates to noise suppression. Silencer contains cylindrical casing, rigidly connected with end inlet and outlet nozzles, with central partition, from inside housing is lined with sound absorbing material, and central partition is made in form of perforated pipe rigidly connected on one side with inlet branch pipe, and on other with ring of L-shaped profile, forming annular gap with casing inner surface with circular slot, wherein gap is filled with sound absorbing material.
EFFECT: higher efficiency of noise suppression.
1 cl, 2 dwg
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