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Abnormality detection apparatus of vehicle AC generator

  • US 20020193922A1
  • Filed: 05/20/2002
  • Published: 12/19/2002
  • Est. Priority Date: 06/07/2001
  • Status: Active Grant
First Claim
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1. An abnormality detection apparatus of a vehicle AC generator including a rectifier, said abnormality detection apparatus comprising:

  • abnormality judging means for judging abnormality of said vehicle AC generator if the number of ripples that is detected is included in the output voltage of said rectifier for a predetermined period is not equal to or more than a predetermined number and alarming means, connected to said abnormality judging means, for displaying an alarm when said abnormality detecting means judges said abnormality.

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