FIELD: engines and pumps.
SUBSTANCE: invention can be used in internal combustion engines. Proposed device 6 is located between used gas circulation pipeline 1 and discharge pipeline 2. Said device 6 has at least partially permeable hollow element 3 that confines used gas circulation pipeline 1 and defines, by its wall 27, the primary shape 7 with inner space 5 having at least one exposed side 28. Gas-permeable wall 26 has second the secondary shaped structure composed by bulges and recesses there between. This invention covers the versions of vehicles with abode described devices.
EFFECT: simplified design.
11 cl, 5 dwg
