Method and device for the functional diagnosis of a piezoactuator in the fuel metering system of a combustion engine

A combustion engine fuel measurement system piezo actuator (316) functional diagnosis procedure either applies a preset voltage and compares the resulting charge (318) with the expected value (304) or applies a preset electrical charge and compares the voltage. Independent claims are included for eq...

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Bibliographische Detailangaben
1. Verfasser:	Rueger, Johannes-Joerg
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	A combustion engine fuel measurement system piezo actuator (316) functional diagnosis procedure either applies a preset voltage and compares the resulting charge (318) with the expected value (304) or applies a preset electrical charge and compares the voltage. Independent claims are included for equipment using the procedure.