DISPOSIZIONE CIRCUITALE PER MISURARE ELETTROTERMICAMENTE IL LIVELLO DI RIEMPIMENTO NEL SERBATOIO DI UN AUTOVEICOLO

A circuit arrangement for the electro-thermal measurement of the filling level in the tank of a motor vehicle which includes a resistance sensor adapted to be heated during a heating time of a sampling period. In order to assure that the resistance sensor can cool off again within the sampling perio...

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Bibliographische Detailangaben
Hauptverfasser:	HEINZ GEORG BURGHOFF, WERNER DAUB
Format:	Patent
Sprache:	ita
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A circuit arrangement for the electro-thermal measurement of the filling level in the tank of a motor vehicle which includes a resistance sensor adapted to be heated during a heating time of a sampling period. In order to assure that the resistance sensor can cool off again within the sampling period even after several starting attempts of the engine, the sequence control of the circuit arrangement connected with the voltage supply is connected with a further voltage source from which, after turning off the voltage supply, the sequence control is continued to be supplied with voltage by a switching circuit over a time interval which corresponds to the termination of the sampling period.