Vehicular power management system and method

  • US 5,929,609 A
  • Filed: 04/24/1998
  • Issued: 07/27/1999
  • Est. Priority Date: 11/08/1996
  • Status: Expired due to Term
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First Claim
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1. A system for controlling an alternator for selectively charging a battery in a vehicle driven by an engine, comprising:

  • a controller having a processor and an associated stored program for monitoring battery status;

    means for detecting signals representing surplus energy conditions;

    means for determining an engine operating condition including a plurality of surplus energy modes from said signals representing surplus energy conditions; and

    alternator control means for selectively turning on said alternator for charging said battery when one of said plurality of surplus energy modes is determined to be present.

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