Patents by Inventor Clive Peter Gravett

Clive Peter Gravett 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).

  • Turbine apparatus
    Patent number: 8186938
    Abstract: A gas turbine engine comprising a rotor and a stator which define first, second and third cavities; the rotor and stator define a seal therebetween and which is located for sealing between the second and third cavities, the rotor comprises an aperture through which a gas flow passes from the first cavity to the second cavity characterized in that the seal comprises a deflector that extends axially over at least a portion of the aperture to deflect at least a part of the gas towards the rotor.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: May 29, 2012
    Assignee: Rolls-Royce PLC
    Inventors: Colin Young, Guy David Snowsill, Paul William Ferra, Clive Peter Gravett
  • TURBINE APPARATUS
    Publication number: 20090129916
    Abstract: A gas turbine engine comprising a rotor and a stator which define first, second and third cavities; the rotor and stator define a seal therebetween and which is located for sealing between the second and third cavities, the rotor comprises an aperture through which a gas flow passes from the first cavity to the second cavity characterized in that the seal comprises a deflector that extends axially over at least a portion of the aperture to deflect at least a part of the gas towards the rotor.
    Type: Application
    Filed: November 4, 2008
    Publication date: May 21, 2009
    Applicant: ROLLS-ROYCE PLC
    Inventors: COLIN YOUNG, Guy David Snowsill, Paul William Ferra, Clive Peter Gravett