Method and apparatus for injecting atomized fluids

Details Method and apparatus for injecting atomized fluids Method and apparatus for injecting atomized fluids

2008-11-21

2011-11-01

Nguyen, Dinh Q (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Processes

Of fuel injection

C239S132000, C239S132300, C239S585100, C239S533200, C060S286000

Reexamination Certificate

active

08047452

ABSTRACT:
Methods and apparatus for injecting reagent, such as an aqueous urea solution, into an exhaust stream in order to reduce emissions from an engine exhaust. The present teachings can use a whirl plate having a plurality of whirl slots surrounding an exit orifice of an injector, which produce a high velocity rotating flow in the whirl chamber. When the rotating flow of reagent is passed through the exit orifice into an exhaust stream, atomization occurs from a combination of centrifugal force and shearing of the reagent by air as it jets into the exhaust stream.

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