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Vehicle battery charging system

  • US 20030042872A1
  • Filed: 08/30/2001
  • Published: 03/06/2003
  • Est. Priority Date: 08/30/2001
  • Status: Active Grant
First Claim
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1. A vehicle electrical system, comprising:

  • an alternator;

    a controllable voltage regulator coupled to the alternator for energization;

    a battery connected to the controllable voltage regulator for charging;

    a battery temperature sensor providing measurement signals of battery temperature;

    a current sensor coupled to a terminal of the battery for providing signals relating to current drawn and supplied to the battery; and

    data processing means connected to receive the measurement signals of battery temperature and the signals relating to current drawn and supplied to the battery and responsive thereto for generating a control signal for the controllable voltage regulator.

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