Patents by Inventor John Slinger

John Slinger 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).

  • Cooled turbine blade
    Patent number: 6874987
    Abstract: A gas turbine engine turbine blade (20) has cooling air holes (38) arranged in groups, the holes (38) in one group and which span that part of the leading edge (34) that spans the hottest part of the blade (20), are more closely spaced than the remainder of the holes (38), thereby ensuring the provision of the most cooling air, where it is most needed.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: April 5, 2005
    Assignee: Rolls-Royce plc
    Inventors: John Slinger, David W Barrett, Christopher M Robson
  • Cooled turbine blade
    Publication number: 20030147750
    Abstract: A gas turbine engine turbine blade (20) has cooling air holes (38) arranged in groups, the holes (38) in one group and which span that part of the leading edge (34) that spans the hottest part of the blade (20), are more closely spaced than the remainder of the holes (38), thereby ensuring the provision of the most cooling air, where it is most needed.
    Type: Application
    Filed: January 30, 2003
    Publication date: August 7, 2003
    Inventors: John Slinger, David W. Barrett, Christopher M. Robson
  • Method of making an aerofoil member for a gas turbine engine
    Patent number: 4421153
    Abstract: A blade or vane structure for a gas turbine engine comprises a hollow aerofoil member and a cooling air entry tube within the hollow aerofoil member, the aerofoil and the tube comprising a unitary cast structure. To make this structure it is proposed that a lost wax casting process should be utilized, with the internal cavities formed using ceramic cores formed with the aid of temporary, disposable pieces which define the space eventually occupied by the tube.
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: December 20, 1983
    Assignee: Rolls-Royce Limited
    Inventors: Wilfred H. Wilkinson, Edwin Pateman, Anthony G. Gale, John Slinger
  • Aerofoil member for a gas turbine engine
    Patent number: 4321010
    Abstract: A blade or vane structure for a gas turbine engine comprises a hollow aerofoil member and a cooling air entry tube within the hollow aerofoil member, the aerofoil member and the tube comprising a unitary cast structure. To make this structure it is proposed that a lost wax casting process should be utilized, with the internal cavities formed using ceramic cores formed with the aid of temporary, disposable pieces which define the space eventually occupied by the tube.
    Type: Grant
    Filed: July 31, 1979
    Date of Patent: March 23, 1982
    Assignee: Rolls-Royce Limited
    Inventors: Wilfred H. Wilkinson, Edwin Pateman, Anthony G. Gale, John Slinger