| 摘要 |
A system for treating exhaust gasses from an engine is described. The system includes, the exhaust gasses routed from the engine to atmosphere through a helical exhaust passage, the system comprises an exhaust passage that receives an exhaust flow injected with a liquid reductant, the helical exhaust passage including a plurality of exhaust passages that separates the exhaust flow into separated smaller flows, wherein the smaller flows are re-introduced into a common passage and combine to form a single exhaust flow, and wherein the orientation of the plurality of exhaust passages impels the single exhaust flow to exhibit a helical flow pattern.
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