Mixing system for an exhaust gases after-treatment arrangement
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United States of America Patent
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Mar 6, 2018
Issued Date -
N/A
app pub date -
Dec 18, 2009
filing date -
Dec 18, 2009
priority date (Note) -
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Abstract
A mixing system includes a pipe having a longitudinal axis, in which exhaust gases can flow in a flow direction, a nozzle designed to inject a fluid inside the pipe from an injection inlet arranged in the pipe wall, according to an injection direction, a first mixing device positioned inside the pipe upstream from the injection inlet, the first mixing device including a peripheral portion including blades capable of creating a peripheral swirl along the pipe wall, and a central portion designed to create substantially no turbulence, and a second mixing device positioned inside the pipe downstream from the injection inlet, the second mixing device including a central portion including blades capable of creating a swirl inside the pipe.
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