Patents by Inventor Torbjorn Ringvall

Torbjorn Ringvall 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: 7936091
    Abstract: An energy supply system adapted for supplying energy to equipment on a high voltage platform. The system includes a fuel cell and an effectuating capacitor. The system also includes an intermediate storage and supply unit. This unit stores energy from the fuel cell and supplies energy to the effectuating capacitor via an electric transforming unit. A high voltage platform including the energy supply system. An electrical network including the platform. A method for supplying energy to equipment on a high voltage platform.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: May 3, 2011
    Assignee: ABB Technology Ltd.
    Inventors: Lennart Ängquist, Per Halvarsson, Bengt Stridh, Torbjörn Ringvall
  • Publication number: 20090167090
    Abstract: An energy supply system adapted for supplying energy to equipment on a high voltage platform. The system includes a fuel cell and an effectuating capacitor. The system also includes an intermediate storage and supply unit. This unit stores energy from the fuel cell and supplies energy to the effectuating capacitor via an electric transforming unit. A high voltage platform including the energy supply system. An electrical network including the platform. A method for supplying energy to equipment on a high voltage platform.
    Type: Application
    Filed: March 23, 2006
    Publication date: July 2, 2009
    Applicant: ABB Technology Ltd.
    Inventors: Lennart Angquist, Per Halvarsson, Bengt Stridh, Torbjorn Ringvall