Patents Examined by Adtya Krishnan
  • Battery powered electric vehicle and electrical supply system
    Patent number: 5642270
    Abstract: A charging system for a battery powered electric vehicle operates bidirectionally for charging the battery or for supplying power back to the utility grid at any selected power factor so that load leveling may be effected. A communications link between the utility and the charging system carries control signals and a control system associated with the charging system is responsive to the signals for controlling the charging rate and direction.
    Type: Grant
    Filed: January 28, 1994
    Date of Patent: June 24, 1997
    Assignee: Wavedriver Limited
    Inventors: Ross Martin Green, Michael John Kellaway