Diesel exhaust fluid injector assembly
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United States of America Patent
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May 10, 2016
Grant Date -
Jun 5, 2014
app pub date -
Dec 5, 2012
filing date -
Dec 5, 2012
priority date (Note) -
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Abstract
A diesel exhaust fluid (DEF) injector assembly is provided for use in an engine exhaust after-treatment system. The DEF injector assembly includes an injector body having a fluid inlet and a fluid outlet that delivers the DEF to an engine exhaust stream. The DEF injector assembly may also include a valve that opens and closes the fluid outlet of the injector body. An exemplary DEF injector assembly further includes an impact structure with an inclined impact surface that disperses and distributes the injected DEF into the engine exhaust stream. Another exemplary DEF injector assembly further includes a shroud that insulates the injector body.
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