Orifice plate flow path stabilizer

An orifice plate for an injector is provided, which includes a base portion disposed along a base plane. An offset portion is unitarily formed with the base portion. The offset portion is at least partially disposed outside of the base plane. The offset portion defines a flow entry side and a flow e...

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Hauptverfasser: Shank Justin A, Spiers Dean L
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An orifice plate for an injector is provided, which includes a base portion disposed along a base plane. An offset portion is unitarily formed with the base portion. The offset portion is at least partially disposed outside of the base plane. The offset portion defines a flow entry side and a flow exit side, and the offset portion defines a plurality of exit apertures therethrough. A plurality of projections extends from the flow entry side of the offset portion. The plurality of projections is configured to contact an injector surface. An injector and a reductant delivery unit incorporating such an orifice plate are also provided.