Patents by Inventor Benstone Schwartz

Benstone Schwartz 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).

  • RADIAL LIFT SEAL
    Publication number: 20230366323
    Abstract: A bearing compartment seal for a gas turbine engine includes a seal ring that defines an axis and has a radially inward facing sealing surface. A seal runner is configured to rotate relative to the seal ring. The seal runner has a runner surface facing the radially inward facing sealing surface. A plurality of grooves are spaced circumferentially along the runner surface. The plurality of grooves have a length in an axial direction that is at least 50% of an axial length of the runner surface.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 16, 2023
    Inventors: Jonathan Logan Miller, Jonathan F. Zimmitti, Benstone Schwartz, Jeffrey E. Tessier
  • Radial lift seal
    Patent number: 11773738
    Abstract: A bearing compartment seal for a gas turbine engine includes a seal ring that defines an axis and has a radially inward facing sealing surface. A seal runner is configured to rotate relative to the seal ring. The seal runner has a runner surface facing the radially inward facing sealing surface. A plurality of grooves are spaced circumferentially along the runner surface. The plurality of grooves have a length in an axial direction that is at least 50% of an axial length of the runner surface.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: October 3, 2023
    Assignee: RTX Corporation
    Inventors: Jonathan Logan Miller, Jonathan F. Zimmitti, Benstone Schwartz, Jeffrey E. Tessier
  • RADIAL LIFT SEAL
    Publication number: 20230184122
    Abstract: A bearing compartment seal for a gas turbine engine includes a seal ring that defines an axis and has a radially inward facing sealing surface. A seal runner is configured to rotate relative to the seal ring. The seal runner has a runner surface facing the radially inward facing sealing surface. A plurality of grooves are spaced circumferentially along the runner surface. The plurality of grooves have a length in an axial direction that is at least 50% of an axial length of the runner surface.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 15, 2023
    Inventors: Jonathan Logan Miller, Jonathan F. Zimmitti, Benstone Schwartz, Jeffrey E. Tessier