Patents by Inventor Chris Sheehan

Chris Sheehan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8169104
    Abstract: A control system for a battery powered vehicle of the kind which is provided with an electric power source and at least one switch means, such as a contactor, which is operable to connect the output of the power source to a high power electrical item fitted to the vehicle, such as an electric drive motor, in which the control system is operable to set the vehicle in one of at least 3 different operating modes comprising a first mode in which the vehicle is immobilized and the contactor is held in an open position to isolate the battery from the electrical item, a second mode in which the vehicle is not immobilized and the contactor is held in a closed position to connect the battery to the electrical item, and a third mode in which the vehicle is immobilized but the contactor remains in an closed position to connect the battery to the electrical item.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: May 1, 2012
    Assignee: International Truck Intellectual Property Company, LLC
    Inventors: Iain Douglas Cunningham, Chris Sheehan
  • Publication number: 20100181827
    Abstract: A control system for a battery powered vehicle of the kind which is provided with an electric power source and at least one switch means, such as a contactor, which is operable to connect the output of the power source to a high power electrical item fitted to the vehicle, such as an electric drive motor, in which the control system is operable to set the vehicle in one of at least 3 different operating modes comprising a first mode in which the vehicle is immobilised and the contactor is held in an open position to isolate the battery from the electrical item, a second mode in which the vehicle is not immobilised and the contactor is held in a closed position to connect the battery to the electrical item, and a third mode in which the vehicle is immobilised but the contactor remains in an closed position to connect the battery to the electrical item.
    Type: Application
    Filed: June 26, 2008
    Publication date: July 22, 2010
    Applicant: International Truck Intellectual Property Company
    Inventors: Iain Cunningham, Chris Sheehan