Patents by Inventor Julien N. E. CALVIGNAC

Julien N. E. CALVIGNAC 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: 8447441
    Abstract: A method and associated system for managing power within an aircraft electrical system, the aircraft having a generator driven by a gas turbine engine for the supply of electrical power to the system, wherein the generator and electrical system are connected to a common energy store. The method includes determining predicted electrical energy demands of the system and predicted thrust demands for the gas turbine engine over at least a portion of a flight. A plurality of time periods within at least a portion of the flight are defined and a desired rate of charge of the energy store for each time period is determined based upon the predicted thrust and electrical energy demands over the time period. The rate of charge of the energy store is controlled during the flight in accordance with the determined desired rate of charge for each time period.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: May 21, 2013
    Assignee: Rolls-Royce PLC
    Inventors: Julien N E Calvignac, Marc Pons Perez
  • Publication number: 20110178648
    Abstract: A method and associated system for managing power within an aircraft electrical system, the aircraft comprising a generator driven by a gas turbine engine for the supply of electrical power to the system, wherein the generator and electrical system are connected to a common energy store. The method comprises determining predicted electrical energy demands of the system and predicted thrust demands for the gas turbine engine over at least a portion of a flight. A plurality of time periods within at least said portion of the flight are defined and a desired rate of charge of the energy store for each time period is determined based upon the predicted thrust and electrical energy demands over said time period. The rate of charge of the energy store is controlled during the flight in accordance with the determined desired rate of charge for each time period.
    Type: Application
    Filed: July 2, 2010
    Publication date: July 21, 2011
    Applicant: ROLLS-ROYCE PLC
    Inventors: Julien N. E. CALVIGNAC, Marc PONS PEREZ