Energy supply device for an occupant protection system

An energy supply device for an occupant protection system is described, including an ignition energy supply device and a back-up supply device, the ignition energy supply device including an ignition energy store, which is chargeable via a first charge circuit from a first system voltage to a reserv...

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Bibliographische Detailangaben
1. Verfasser:	Schumacher, Hartmut
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONTROLLING CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	An energy supply device for an occupant protection system is described, including an ignition energy supply device and a back-up supply device, the ignition energy supply device including an ignition energy store, which is chargeable via a first charge circuit from a first system voltage to a reserve voltage, the ignition energy store being suitable for providing a high ignition energy in the range of 0.1 kW to 2.5 kW for at least one restraint means for a short time period of 0.5 ms to 2 ms. The back-up supply device includes a back-up energy store, which is chargeable via a second charge circuit from a system voltage to a back-up voltage, the back-up energy store having an energy density value higher than the ignition energy store by a factor of 10 to 50 and being suitable for providing the supply energy in the range of 1 W to 10 W for the passenger protection system in the event of a supply interruption for a predefined time period of at least 5 s.