Patents by Inventor Joshua J. Gear

Joshua J. Gear 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).

  • Mechanical iris tip clearance control
    Patent number: 11236631
    Abstract: Systems and methods are provided that use a tip clearance control apparatus comprising a mechanical iris, where the tip clearance control apparatus controls a distance between a tip of a blade and a ring of abradable material positioned in an adjustable opening of the mechanical iris.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: February 1, 2022
    Assignees: ROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES INC., ROLLS-ROYCE CORPORATION
    Inventors: Richard Joseph Skertic, Joshua J. Gear, John Joseph Costello, Geoffrey L. Gatton
  • MECHANICAL IRIS TIP CLEARANCE CONTROL
    Publication number: 20200157965
    Abstract: Systems and methods are provided that use a tip clearance control apparatus comprising a mechanical iris, where the tip clearance control apparatus controls a distance between a tip of a blade and a ring of abradable material positioned in an adjustable opening of the mechanical iris.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 21, 2020
    Applicants: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Richard Joseph Skertic, Joshua J. Gear, John Joseph Costello, Geoffrey L. Gatton