Patents by Inventor Graeme M. BURT

Graeme M. BURT 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).

  • DC electrical power system
    Patent number: 8837095
    Abstract: A DC electrical power system has a power generator converter system, a positive supply rail extending from the converter system, a negative supply rail extending from the converter system, and a midpoint earthing arrangement operatively connecting to the supply rails. The earthing arrangement is connected to earth by a solid earth connection. The network further has a first protective device on one of the supply rails which in case of a fault is operable to interrupt current flowing on that rail, and a second protective device on the earthing arrangement which in case of a fault is operable to interrupt current flowing to earth through the solid earth connection.
    Type: Grant
    Filed: February 10, 2012
    Date of Patent: September 16, 2014
    Assignee: Rolls-Royce PLC
    Inventors: Patrick J. Norman, Stuart J. Galloway, Graeme M. Burt
  • DC ELECTRICAL POWER SYSTEM
    Publication number: 20120228949
    Abstract: A DC electrical power system has a power generator converter system, a positive supply rail extending from the converter system, a negative supply rail extending from the converter system, and a midpoint earthing arrangement operatively connecting to the supply rails. The earthing arrangement is connected to earth by a solid earth connection. The network further has a first protective device on one of the supply rails which in case of a fault is operable to interrupt current flowing on that rail, and a second protective device on the earthing arrangement which in case of a fault is operable to interrupt current flowing to earth through the solid earth connection.
    Type: Application
    Filed: February 10, 2012
    Publication date: September 13, 2012
    Applicant: ROLLS-ROYCE PLC
    Inventors: Patrick J. NORMAN, Stuart J. GALLOWAY, Graeme M. BURT