SILENCER Russian patent published in 1995 - IPC

FIELD: engine engineering. SUBSTANCE: silencer has supplying branch pipe and inlet diverging branch pipe 2 connected with branch pipe 1. The branch pipe 2 has straight part 3. Outlet converging branch pipe 4 is connected with the outlet of straight part 3 and discharging branch pipe 5. The housing of the silencer is defined by sides 6 and cover with the bottom. Perforated plates 9 and 10 are interposed between the cover and bottom of inlet diverging branch pipe 2 and outlet converging branch pipes. The plates are diverging in the direction of the flow inside inlet branch pipe 2 and are converging in the direction of the flow inside outlet branch pipe 4. Perforated plates 9 and 10 define a set of passageways inside outlet branch pipe 2 and inlet branch pipe 4. EFFECT: enhanced silencing. 2 dwg