Patents by Inventor Peter Milligan

Peter Milligan 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).

  • Flexible flange design
    Patent number: 12624837
    Abstract: An annular flexible flange is provided for connecting components of a gas turbine engine having different rates of thermal response to transient thermal events. The annular flexible flange is disposed about an axis and extends radially from an annular body. The annular flexible flange includes a plurality of fastener flanges spaced circumferentially about the flexible flange and a plurality of flexible arms connected to the annular body and connected to the plurality of fastener flanges. The plurality of flexible arms are configured to flex in a radial direction. The plurality of fastener flanges are separated from the annular body by a gap.
    Type: Grant
    Filed: September 26, 2024
    Date of Patent: May 12, 2026
    Assignee: RTX Corporation
    Inventors: Pedro Rivero, William Blickenstaff, III, Peter Milligan, Angela Reisch
  • FLEXIBLE FLANGE DESIGN
    Publication number: 20260085839
    Abstract: An annular flexible flange is provided for connecting components of a gas turbine engine having different rates of thermal response to transient thermal events. The annular flexible flange is disposed about an axis and extends radially from an annular body. The annular flexible flange includes a plurality of fastener flanges spaced circumferentially about the flexible flange and a plurality of flexible arms connected to the annular body and connected to the plurality of fastener flanges. The plurality of flexible arms are configured to flex in a radial direction. The plurality of fastener flanges are separated from the annular body by a gap.
    Type: Application
    Filed: September 26, 2024
    Publication date: March 26, 2026
    Inventors: Pedro Rivero, William Blickenstaff, III, Peter Milligan, Angela Reisch
  • System and method for limiting movement of a retainer ring of a gas turbine engine
    Patent number: 10215099
    Abstract: A method of installing a retaining ring assembly in a turbine case is provided. The method may include installing a blade outer air seal into a case before installation of a retaining ring assembly. The method may further include installing a key system on a retaining ring to create the retaining ring assembly. The method may also include installing the retaining ring assembly in a case. The method may further include rotating the retaining ring assembly in the case until key system is aligned with a case slot. The method may also include tightening the key system to the retaining ring and cause key system to engage the case slot.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: February 26, 2019
    Assignee: United Technologies Corporation
    Inventor: Peter Milligan
  • SYSTEM AND METHOD FOR LIMITING MOVEMENT OF A RETAINING RING
    Publication number: 20160230673
    Abstract: A method of installing a retaining ring assembly in a turbine case is provided. The method may include installing a blade outer air seal into a case before installation of a retaining ring assembly. The method may further include installing a key system on a retaining ring to create the retaining ring assembly. The method may also include installing the retaining ring assembly in a case. The method may further include rotating the retaining ring assembly in the case until key system is aligned with a case slot. The method may also include tightening the key system to the retaining ring and cause key system to engage the case slot.
    Type: Application
    Filed: February 6, 2015
    Publication date: August 11, 2016
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventor: Peter Milligan