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Fault detector for an alternator

  • US 4,613,808 A
  • Filed: 02/11/1985
  • Issued: 09/23/1986
  • Est. Priority Date: 02/11/1985
  • Status: Expired due to Fees
First Claim
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1. In a system for charging a battery from an alternator capable of developing a static voltage due to leakage current in the alternator, a circuit for sensing a non-operating alternator, comprising:

  • first means for establishing a threshold selected to be outside the range of the alternator'"'"'s static voltage, and being coupled to the alternator for sensing the unrectified output thereof and for generating a control signal whenever the alternator'"'"'s sensed output does not exceed said threshold; and

    second means responsive to the control signal for generating an indication of a non-operating condition in the alternator.

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