Monitoring functional defects in turbocharger apparatus

Air is supplied via ducts 3 to the cylinder banks 1,2 of an i.c. engine by two turbochargers 5,6 having mechanical regulating devices 8,9, for controlling the angle of incidence of vanes directing engine exhaust gas onto turbine blades of the turbochargers, angle of incidence control units 10,11 als...

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Bibliographische Detailangaben
Hauptverfasser:	JOACHIM WILTSCHKA, ULRICH SPRINGER
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CONTROLLING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING WEAPONS
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Beschreibung
Zusammenfassung:	Air is supplied via ducts 3 to the cylinder banks 1,2 of an i.c. engine by two turbochargers 5,6 having mechanical regulating devices 8,9, for controlling the angle of incidence of vanes directing engine exhaust gas onto turbine blades of the turbochargers, angle of incidence control units 10,11 also being provided. A charge pressure sensor 13 provides feedback to a charge pressure controller 12. In order to provide control information indicative of a functional defect in a turbocharger, means is provided for determining whether or not the angle of incidence of the vanes is adjustable within a predetermined time, and emitting functional defect information accordingly. Alternatively, the defect information may be generated in response to the detection of the difference between the charge pressures, produced by the two tubochargers, exceeding a predetermined value.