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Electric car charging systems

  • US 7,768,229 B2
  • Filed: 09/18/2007
  • Issued: 08/03/2010
  • Est. Priority Date: 09/18/2006
  • Status: Active Grant
First Claim
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1. A charging system, comprising:

  • an AC electric grid power supply system;

    an electric car charging equipment;

    a battery power system; and

    an electrical energy control module;

    wherein the input to the battery power system is connected to the AC electric grid power supply system and the output is controlled by the electrical energy control module and coupled to the electric car charging equipment; and

    wherein when the AC electric grid power supply system is not supplying power, the electrical energy control module is configured to connect the battery power system electrically to the electric car charging equipment such that the battery power system provides power to the electric car charging equipment to charge an electric car.

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