Network-controlled charging system for electric vehicles

CAFC
  • US 7,956,570 B2
  • Filed: 01/11/2008
  • Issued: 06/07/2011
  • Est. Priority Date: 01/07/2008
  • Status: Active Grant
First Claim
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1. A network-controlled charge transfer device for transferring charge between a local power grid and an electric vehicle comprising:

  • an electrical receptacle configured to receive an electrical connector for connection to said electric vehicle;

    an electric power line connecting said local power grid to said receptacle;

    a control device on said electric power line, for switching said receptacle on and off;

    a current measuring device on said electric power line, for measuring current flowing through said receptacle;

    a controller configured to operate said control device and to monitor the output from said current measuring device;

    a transceiver connected to said controller, said transceiver being configured to connect said controller to a local area network for access to a remote server via a wide area network; and

    a communication device connected to said controller, said communication device being configured to connect said controller to a mobile wireless communication device, for communication between the operator of said vehicle and said controller;

    wherein said controller is configured to manage charge transfer based on power grid load data, said power grid load data being available from said remote server, and wherein charge transfer may be in either direction between said local power grid and said electric vehicle.

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