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Circuit assembly for charging an accumulation battery with pulsating direct current

  • US 4,494,062 A
  • Filed: 06/04/1982
  • Issued: 01/15/1985
  • Est. Priority Date: 06/17/1981
  • Status: Expired due to Fees
First Claim
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1. A device for charging an accumulator type battery comprising:

  • a current source for providing a charging current;

    terminal means for connecting said device to said battery;

    a controllable current valve means connected between said current source and said battery for controlling said charging current to said battery;

    a series resistor connected to said current source for providing a reference voltage proportional to said charging current;

    a control pulse generating means connected to said terminal means and said controllable current valve means for generating control pulses to said controllable valve means in relationship to the voltage of said battery;

    electrically actuated switch means connected to said control pulse generating means for electrically connecting and disconnecting said control pulse generating means and said controllable current valve means; and

    energizing means connected to said electrically actuated switch means including presettable timer means for supplying a deenergizing signal to said electrically actuated switch at a preset time after a predetermined delay, said delay resets upon said charging current generating a predetermined reference voltage in said series resistor.

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