Vane control

A control system for a variable geometry turbine comprises a control valve (520) that includes an electric actuator (610) operatively coupled to a valve stem (620) and a piston operatively coupled to one or more hydraulic fluid paths controlled by the control valve (520) and including a piston shaft...

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Bibliographische Detailangaben
1. Verfasser:	GREENTREE, CHRISTOPHER C
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL 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 MACHINES OR ENGINES IN GENERAL MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PHYSICS STEAM ENGINES TARIFF METERING APPARATUS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TESTING WEAPONS
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Beschreibung
Zusammenfassung:	A control system for a variable geometry turbine comprises a control valve (520) that includes an electric actuator (610) operatively coupled to a valve stem (620) and a piston operatively coupled to one or more hydraulic fluid paths controlled by the control valve (520) and including a piston shaft. Further, a rotatable shaft (540) is operatively coupled to the piston shaft (530) and mechanically isolated from the valve stem (620) and capable of adjusting geometry of the variable geometry turbine. An electric sensor (560) is provided for sensing an angular position of the rotatable shaft (540).