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On-vehicle power supplying apparatus with two power supplies

  • US 20060058897A1
  • Filed: 08/24/2005
  • Published: 03/16/2006
  • Est. Priority Date: 08/24/2004
  • Status: Abandoned Application
First Claim
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1. An on-vehicle power supplying apparatus comprising:

  • a first power-supply system having a generator driven by an on-vehicle engine and a first battery charged by the generator, a second power-supply system having a second battery connected to an on-vehicle electric load;

    a power transmission unit transmitting power from the first power-supply system to the second power-supply system; and

    a controller controlling an operation of the power transmission unit to adjust, when the engine is stopped, the power transmitted from the first power-supply system to the second power-supply system in a predetermined order in which the first battery is firstly made to transit the power to the electric load, provided that a residual capacity of the first battery is higher than a predetermined threshold.

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