Actuating means for a valve, in particular a wastegate, of an exhaust gas turbocharger

In an actuating structure for a valve, in particular for a waste gate of an exhaust gas turbocharger, comprising a lever element and a valve closure element which is movably supported by the lever element and has a sealing surface for sealing a valve opening wherein the lever element and the valve e...

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Bibliographische Detailangaben
Hauptverfasser:	BURMESTER HERMANN, KIERAT JAROSLAW, WINTER CHRISTIAN
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COCKS COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING TAPS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	In an actuating structure for a valve, in particular for a waste gate of an exhaust gas turbocharger, comprising a lever element and a valve closure element which is movably supported by the lever element and has a sealing surface for sealing a valve opening wherein the lever element and the valve element cooperate via respective contact areas, which are curved at least with respect to a plane perpendicular to the axial direction of the valve, the curved contact areas are arranged concentrically with each other and have a common center of curvature which is arranged at least essentially at the level of the sealing surface of the valve closure element.