Patents by Inventor Nicolas EVANNO

Nicolas EVANNO 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).

  • Tip clearance control device
    Patent number: 9309777
    Abstract: A tip clearance control device adapted to control the clearance of a rotating aerofoil structure with a surrounding casing portion, and a method of controlling the tip clearance of a rotating aerofoil structure with a surrounding casing portion. The device includes a member operatively connected to the casing portion; the member having at least a first configuration in which the casing portion is at a first radial position and a second configuration in which the casing portion is at a second radial position, wherein the configuration of the member is controlled by magnetic flux in a magnetic circuit which includes at least one ferromagnetic element including ferromagnetic material, where the configuration of the member is responsive to the temperature of the ferromagnetic element.
    Type: Grant
    Filed: July 12, 2012
    Date of Patent: April 12, 2016
    Assignee: ROLLS-ROYCE plc
    Inventors: John R. Webster, Nicolas Evanno, Brian Handley
  • TIP CLEARANCE CONTROL DEVICE
    Publication number: 20130034424
    Abstract: A tip clearance control device adapted to control the clearance of a rotating aerofoil structure with a surrounding casing portion, and a method of controlling the tip clearance of a rotating aerofoil structure with a surrounding casing portion. The device includes a member operatively connected to the casing portion; the member having at least a first configuration in which the casing portion is at a first radial position and a second configuration in which the casing portion is at a second radial position, wherein the configuration of the member is controlled by magnetic flux in a magnetic circuit which includes at least one ferromagnetic element including ferromagnetic material, where the configuration of the member is responsive to the temperature of the ferromagnetic element.
    Type: Application
    Filed: July 12, 2012
    Publication date: February 7, 2013
    Applicant: ROLLS-ROYCE PLC
    Inventors: John R. WEBSTER, Nicolas EVANNO, Brian HANDLEY