Patent ID: 7467749
Filing Date: 2008-12-23
Classification: F01N,F02M,Y02T

Abstract:
1. A low pressure atomizing injector for injecting reagent, comprising: an injector body having an upper section and a lower section; a reagent inlet extending into said lower section of said injector body; a reagent outlet extending out of said upper section of said injector body; a conical whirl chamber having an exit orifice, said whirl chamber arranged on said lower section of said injector body; a plurality of whirl slots in said whirl chamber for imparting a rotational velocity to reagent introduced into said whirl chamber; a valve seat positioned within said whirl chamber surrounding said exit orifice; a metering plug arranged within said injector body, a hollow portion of said metering plug extending within said lower section of said injector body; and an actuator mounted on said injector body and connected to said metering plug for moving said metering plug between closed and open positions; wherein: