Patents by Inventor Joshua G. LaPera

Joshua G. LaPera 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).

  • Patent number: 11371375
    Abstract: A gas turbine engine includes a shaft and a heatshield that circumscribes the shaft. The heatshield defines a cylindrical body that has radially inner and outer sides and extends between first and second axial ends. The heatshield is exclusively supported on the shaft at the first and second axial ends. The heatshield includes at least one seal member on the radially outer side. A damper member is disposed at the radially inner side of the heatshield for attenuating vibration of the heatshield.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: June 28, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Joshua G. LaPera, Julian Partyka, Timothy J. Harding
  • Patent number: 11143194
    Abstract: A seal assembly for a gas turbine engine includes a seal carrier and a seal press fit within an inner diameter of the seal carrier. The seal includes an outer ring supporting a radially moveable shoe supported by at least one beam. The outer ring includes an inner radial surface having at least one tab extending radially inward toward the shoe for aiding removal of the seal from the carrier.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: October 12, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Joshua G. LaPera, Robert L. Hazzard
  • Publication number: 20210054756
    Abstract: A gas turbine engine includes a shaft and a heatshield that circumscribes the shaft. The heatshield defines a cylindrical body that has radially inner and outer sides and extends between first and second axial ends. The heatshield is exclusively supported on the shaft at the first and second axial ends. The heatshield includes at least one seal member on the radially outer side. A damper member is disposed at the radially inner side of the heatshield for attenuating vibration of the heatshield.
    Type: Application
    Filed: August 19, 2019
    Publication date: February 25, 2021
    Inventors: Joshua G. LaPera, Julian Partyka, Timothy J. Harding
  • Publication number: 20200149543
    Abstract: A seal assembly for a gas turbine engine includes a seal carrier and a seal press fit within an inner diameter of the seal carrier. The seal includes an outer ring supporting a radially moveable shoe supported by at least one beam. The outer ring includes an inner radial surface having at least one tab extending radially inward toward the shoe for aiding removal of the seal from the carrier.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 14, 2020
    Inventors: Joshua G. LaPera, Robert L. Hazzard