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Brake control apparatus for electric motor vehicle

  • US 5,557,181 A
  • Filed: 09/20/1993
  • Issued: 09/17/1996
  • Est. Priority Date: 09/18/1992
  • Status: Expired due to Fees
First Claim
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1. Apparatus for operating an electric motor system having a motor, a power supply unit coupled to provide electric power to said motor, a control unit which controls said power supply unit and a rechargeable power source coupled to provide electric power to said power supply unit, said power supply unit being operable to output an electric charging current to said rechargeable power source when said power supply unit is driven by said motor, said apparatus comprising:

  • a charge state detector for detecting a charge state of said rechargeable power source and for providing a charge state signal indicative of said charge state at a particular charging current;

    a current detector for detecting said particular charging current and providing a current signal indicative thereof; and

    at least one electric load element coupled to divert said charging current from said rechargeable power source;

    said control unit being coupled to receive said charge state signal and said current signal, and controlling said charging current by adjusting diversion of said charging current from said rechargeable power source through said at least one electric load element, in response to said charge state signal at said particular charging current.

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