Patents by Inventor Joshua A. Lehs

Joshua A. Lehs 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: 12146534
    Abstract: A vibration damping assembly for use with a second shaft nested within an interior of a first shaft is provided including a collar rotatable with the first shaft, and a cage rotatable with the second shaft and having at least one window formed therein. The collar and the cage are mounted concentrically. At least one damping mechanism is positioned within the at least one window. The at least one damping mechanism includes at least one flyweight and at least one support wedge. The at least one flyweight movable relative to the cage to frictionally engage an adjacent surface of the collar.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: November 19, 2024
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Aaron Cooling, Glenn C. Lemmers, Jr., Joshua A. Lehs
  • Publication number: 20220341469
    Abstract: A vibration damping assembly for use with a second shaft nested within an interior of a first shaft is provided including a collar rotatable with the first shaft, and a cage rotatable with the second shaft and having at least one window formed therein. The collar and the cage are mounted concentrically. At least one damping mechanism is positioned within the at least one window. The at least one damping mechanism includes at least one flyweight and at least one support wedge. The at least one flyweight movable relative to the cage to frictionally engage an adjacent surface of the collar.
    Type: Application
    Filed: August 16, 2021
    Publication date: October 27, 2022
    Inventors: Aaron Cooling, Glenn C. Lemmers, JR., Joshua A. Lehs