NOZZLE Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: nozzle has spherical and cylindrical parts which are secured to the branch pipe and provided with a chip filler separated with porous or fiber material. The housing is provided with flexible perforated shell from outside. The inner space of the housing is filled with a loose filler. The chip and loose fillers are provided with members made up as coatings, deposits, adders which absorb toxicity elements and accelerate neutralizing. The nozzle provides effective silencing owing to the spherical resonator. EFFECT: improved design. 13 cl, 4 dwg