GAS/LIQUID MIXING DEVICE FOR EXHAUST AFTERTREATMENT
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United States of America Patent
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Mar 16, 2017
app pub date -
Sep 14, 2015
filing date -
Sep 14, 2015
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Abstract
A mixing device for an exhaust gas conduit comprises a first, inner sleeve having an upstream end, a downstream end and an inner passage extending therethrough having a diameter “D”. A deflector fin is formed in the first, inner sleeve and extends into the inner passage. A second, outer air-gap shell has an upstream end, a downstream end and a central portion having a diameter “D1” that is larger than the diameter D of the first, inner sleeve. The inner sleeve is disposed in the second, outer air-gap shell and the upstream and downstream ends are sealingly fixed to the first, inner sleeve to define an air-gap about the portion of the first, inner sleeve in which the deflector fin is formed.
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