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Method and system for controlling the charging of a vehicle battery

  • US 6,946,816 B2
  • Filed: 01/21/2004
  • Issued: 09/20/2005
  • Est. Priority Date: 07/21/2001
  • Status: Active Grant
First Claim
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1. Method of controlling the charging of a vehicle battery, whereinthe vehicle battery is connected with a generator, the generator supplies a consuming device of the vehicle and an additional consuming device with electric power, and the generator supplying the additional consuming device with electric power only when the power requirement of the consuming device has been met, wherein the supplying of the additional consuming device and the charging of the vehicle battery are controlled in thatwhen the power demand of the additional consuming device is not fully met, when it is determined that a charging current, which flows from the generator into the vehicle battery, is higher than a limit value, and when the generator power additionally permits the supplying of the additional consuming device, the additional consuming device is supplied with power by the generator and the charging current is adjusted such that it is lower than the maximally possible charging current while the generator is able to supply an electric power demanded by the consuming device.

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