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Battery isolator

  • US 20050151508A1
  • Filed: 01/14/2005
  • Published: 07/14/2005
  • Est. Priority Date: 01/14/2004
  • Status: Abandoned Application
First Claim
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1. In an electrical system that includes at least a first battery and a second battery, wherein a negative terminal of each of the first and second batteries are connected together at a ground point and a charge source is connected in parallel with one of the first and second batteries, a battery isolator comprising:

  • an inductor having a first terminal and a second terminal;

    a first switch connected between a positive terminal of the first battery and the first terminal of the inductor; and

    a second switch connected between a second terminal of the inductor and a positive terminal of the second battery, wherein the first and second switches are selectively actuated to charge at least one of the first battery and the second battery.

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