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Thermal protection of controller for on-vehicle alternators

  • US 20080067983A1
  • Filed: 09/04/2007
  • Published: 03/20/2008
  • Est. Priority Date: 09/01/2006
  • Status: Active Grant
First Claim
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1. A thermal protecting circuit for an alternator controller comprising:

  • a switching member switching on/off the alternator;

    a sensor sensing a temperature of the switching member; and

    a switching control circuit switching off the switching member when the temperature of the switching member exceeds a first predetermined temperature, while switching on the switching member when the temperature of the switching member is lower than a second predetermined temperature, the second predetermined temperature being set to be higher than the first predetermined temperature.

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