FIELD: engine engineering. SUBSTANCE: apparatus has a case provided with a filtering member which is regenerated periodically by burning out black, blower, and evaporating burner. The filtering member is positioned within the case to form a ring space made of a resonance chamber. The evaporating burner is coupled with the resonance chamber provided with gas- permeable damping material. EFFECT: enhanced quality of purification. 5 cl, 1 dwg
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