THROTTLE VALVE DEVICE FOR AN EXHAUST SYSTEM OR A SUPPLY AIR SYSTEM OF AN INTERNAL COMBUSTION ENGINE

The invention relates to a throttle valve device for an exhaust system or a supply air system of an internal combustion engine, having: a throttle valve housing (30) which has an inner housing element (34), which delimits a flow duct (36), and an outer housing element (32), which radially surrounds...

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Bibliographische Detailangaben
Hauptverfasser:	GRAUTEN, Andreas, MICHELS, Jürgen, KAMARYS, Dirk
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a throttle valve device for an exhaust system or a supply air system of an internal combustion engine, having: a throttle valve housing (30) which has an inner housing element (34), which delimits a flow duct (36), and an outer housing element (32), which radially surrounds the inner housing element (34), an air gap (80) being provided between the outer housing element (32) and the inner housing element (34); and a throttle valve (40), which is situated in the flow duct (36) and is mounted pivotably on the throttle valve housing (30) via a valve shaft (42) projecting into the flow duct (36), wherein a sealing ring (82, 84), which is arranged coaxially to the valve shaft (42), is provided between the inner housing element (34) and the outer housing element (32).