Boosted internal combustion engine with low-pressure exhaust-gas recirculation arrangement and pivotable flap

An engine system is provided that includes a compressor including an inlet upstream of an impeller and a compressor housing, a flow-guiding device including a first partition extending across a valve housing, where the valve housing defines a boundary of an airflow duct, and a valve unit including a...

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Bibliographische Detailangaben
Hauptverfasser: Kuske, Andreas, Roettger, Daniel, Vigild, Christian
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:An engine system is provided that includes a compressor including an inlet upstream of an impeller and a compressor housing, a flow-guiding device including a first partition extending across a valve housing, where the valve housing defines a boundary of an airflow duct, and a valve unit including an exhaust gas recirculation (EGR) valve coupled to a junction point between an EGR conduit and a compressor inlet and including and a flap having a recess mating with the first partition and pivoting about a mounting interface adjacent to a leading edge of the flap, a valve housing coupled to the compressor housing, where during actuation of the EGR valve a relative position between the recess in the flap and the first partition is varied.