Method for testing operability of tank shutoff valve of fuel tank system

The invention relates to methods for testing operability of tank shutoff valve of fuel tank system and in particular to a method for testing operability of tank shutoff valve of fuel tank system which is controlled by valves, so disposed that the method includes performing defined triggering of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	UWE NUSSER, CARSTEN KLUTH, SILKE HAAG, ANDREAS PAPE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MEASURING MECHANICAL ENGINEERING PHYSICS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to methods for testing operability of tank shutoff valve of fuel tank system and in particular to a method for testing operability of tank shutoff valve of fuel tank system which is controlled by valves, so disposed that the method includes performing defined triggering of the tank shutoff valve and simultaneous introduction of an overpressure or partial vacuum into the fuel tank system via a pressure source, and the operability of the tank shutoff valve is determined on the basis of a variable which characterizes the introduction of the overpressure or partial vacuum.