FIELD: mechanical engineering; noise silencers.
SUBSTANCE: proposed muffler contain cylindrical housing rigidly connected with end face intake and exhaust branch pipes rigidly connected with central pipe provided with perforation. Exhaust branch pipe made in form of disk with at least through three holes in peripheral part, and perforated central part with perforations in form of rectangular slots of number not less than three is connected with central solid part of disk, and noise-absorbing member is placed between housing and central pipe so that holes of disk communicate with space of noise-absorbing member.
EFFECT: improved efficiency of noise damping.
1 dwg
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|---|---|---|---|
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