Patent ID: 8047452
Filing Date: 2011-11-01
Classification: F01N,F02M,Y02T

Abstract:
1. An atomizing injector for injecting reagent, said atomizing injector comprising: an injector body having a reagent inlet, a reagent outlet, and a whirl chamber, said whirl chamber having an exit orifice; a plurality of whirl slots being disposed in said whirl chamber for imparting a rotational velocity to reagent introduced into said whirl chamber; a metering plug movably disposed within said injector body, said metering plug having a hollow pathway associated therewith in communication with said reagent inlet and said reagent outlet, said metering plug being movable between closed and opened positions; a flow path for reagent through said injector body including said reagent inlet, said whirl chamber, said plurality of whirl slots, said hollow pathway, and said reagent outlet, said flow path permitting continuous cooling of said injector in both said closed and opened positions of said metering plug; and a heat shield surrounding said exit orifice, said heat shield having an aperture therethrough aligned with said exit orifice, thereby allowing reagent released from said whirl chamber to pass through said heat shield.