FIELD: mechanical engineering.
SUBSTANCE: silencer comprises housing, axially aligned inlet and outlet branch pipes, and resonance insert mounted coaxially to the housing. The cross-section of the housing and resonance insert is shaped into a rectangular. The ends of the resonance insert are provided with the diffuser and the converging tube secured to the perforated disks. The stiffening rib made of a solid baffle that separates the resonance insert into two chambers is mounted at the middle of the resonance insert. The resonance insert is mounted inside the housing by means of fastening members made of at least one baffle provided with openings. The inner side of the housing and outer side of the insert are coated with sound-absorbing material.
EFFECT: enhanced silencing.
6 cl, 1 dwg
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