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Method and system for limiting generator field voltage in the event of regulator failure in an automotive vehicle

  • US 5,617,011 A
  • Filed: 06/06/1995
  • Issued: 04/01/1997
  • Est. Priority Date: 06/06/1995
  • Status: Expired due to Fees
First Claim
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1. For use with a power supply system of an automotive vehicle including a battery, a generator, and a regulator, the generator for providing a nominal voltage for electronic components of the vehicle, and the regulator for controlling the voltage provided by the generator a method for limiting the voltage provided by the generator in the event of a failure of the regulator, the method comprising:

  • sensing the voltage provided by the generator and generating a corresponding voltage signal;

    determining whether the voltage signal exceeds a predetermined voltage threshold; and

    if the voltage signal exceeds the predetermined voltage threshold, generating an alternative nominal voltage provided by the generator so as to protect the electronic components of the vehicle from over-voltage damage.

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