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System for Supplying Voltage to Electrical Loads of a Motor Vehicle

  • US 20100001581A1
  • Filed: 02/03/2009
  • Published: 01/07/2010
  • Est. Priority Date: 08/04/2006
  • Status: Active Grant
First Claim
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1. A system for supplying voltage to electrical loads in an onboard vehicle electrical system, the system comprising:

  • a first onboard electrical system region of the onboard vehicle electrical system, the first region having an electric generator, a vehicle battery, and one or more first electrical loads;

    a second onboard electrical system region of the onboard vehicle electrical system, the second region having an energy accumulator and one or more second electrical loads;

    a current blocking apparatus operatively configured between the first and second regions for permitting current to flow from the first region into the second region and largely preventing current from flowing in reverse from the second region into the first region; and

    wherein an output voltage of the electric generator is raised and the energy accumulator is charged when a first threshold value of the electric voltage is undershot in the second region.

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