ELECTRICAL CIRCUIT AND MOTOR VEHICLE COMPRISING SUCH A CIRCUIT

The invention relates to an electrical circuit (2) for a motor vehicle including electrical devices (4, 5, 6) and an internal combustion engine. The electrical circuit comprises a first electrical battery (B1) and a second electrical battery (B2) and is configured such that: - the second battery sup...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DUDEZERT, Christophe, HIRON, Christian
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	The invention relates to an electrical circuit (2) for a motor vehicle including electrical devices (4, 5, 6) and an internal combustion engine. The electrical circuit comprises a first electrical battery (B1) and a second electrical battery (B2) and is configured such that: - the second battery supplies some of said devices with power while the first battery is disconnected from said devices when the vehicle is stationary for an extended period, and such that - the first battery supplies at least some of said devices with power during the engine startup phase. Additionally, at equal level of charge, and over at least one given range of levels of charge, a voltage of the second battery is higher than a voltage of the first battery. The invention also relates to a motor vehicle provided with such an electrical circuit.