DRYING MACHINE Russian patent published in 2011 - IPC D06F58/24 

FIELD: textile, paper.

SUBSTANCE: drying machine comprises drying air circuit for provide for its circulation in perforated rotary drum, fan (2), suction ambient air, inlet air duct (3) communicating with fan and ventilation grid (4), which protects air intake hole (5) of inlet air duct (3). Specified grid (4) comprises "nose-like" vessel (6), which is located inside inlet air duct (3) and serves to absorb sound waves that spread along inlet air duct (3) from fan (2).

EFFECT: reduced level of noise.

12 cl, 5 dwg