PNEUMATIC VALVE EXHAUST SILENCER Russian patent published in 1996 - IPC

FIELD: mechanical engineering; exhaust noise suppression. SUBSTANCE: pneumatic valve exhaust silencer has outlet branch pipe 1 with central hole 2, diameter D. Exhaust branch pipe is formed by at least two cross partitions 3 and 4, one of which is rigidly secured on open end of intake valve, flush with its end face surface, and other is made blind and is secured on first one by means of at least three screws 5 through calibrated washers 6. EFFECT: enhanced suppression of exhaust noises. 2 cl, 2 dwg