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Alternator regulator having output monitoring and limiting controls

  • US 4,839,575 A
  • Filed: 08/15/1986
  • Issued: 06/13/1989
  • Est. Priority Date: 08/15/1986
  • Status: Expired due to Term
First Claim
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1. A voltage regulator for controlling an alternator establishing an electrical output including an output voltage and an output current to a connected load, comprisinga control circuit means having output means controlling the electrical output of such alternator,a current sensing means having connection means adapted to be connected to the output of the alternator and establishing a current-related signal proportional to the level of the output current from the alternator, a voltage sensing means having an input means and connection means adapted to connect said input means to the output of the alternator and establishing a voltage-related signal proportional to the level of the voltage output of the alternator, a voltage/current selection means having a first input connected to said current sensing means and a second input connected to said voltage sensing means and having an output means for controlling transmission of signals from said sensing means for controlling said alternator, said selection means transmitting a single one of said signals from said sensing means,a sensor continuity detector connected to the connection of said voltage sensing means to said alternator and operable to separately detect the lack of continuity in the connection means of the voltage sensor means to said alternator and to thereby detect an essentially open circuit condition in said connection means, andmeans connecting said sensor continuity detector to said control circuit means to control said alternator and override the signal from said selection means.

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