Patents by Inventor Kevin G. VanDuyn

Kevin G. VanDuyn 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).

  • Fan shaft retention
    Patent number: 9605560
    Abstract: A retention system for a fan in a gas turbine engine includes a shaft that is rotatable relative to a bearing support structure about an axis. The retention system includes fore and aft bearings that rotatably support the shaft, with the fore and aft bearings being spaced apart from each other in a direction along the axis. A machined spring reacts between the bearing support structure and the fore bearing to provide a desired axial preload.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: March 28, 2017
    Assignee: United Technolgies Corporation
    Inventors: James B. Coffin, Kevin G. VanDuyn
  • FAN SHAFT RETENTION
    Publication number: 20090123271
    Abstract: A retention system for a fan in a gas turbine engine includes a shaft that is rotatable relative to a bearing support structure about an axis. The retention system includes fore and aft bearings that rotatably support the shaft, with the fore and aft bearings being spaced apart from each other in a direction along the axis. A machined spring reacts between the bearing support structure and the fore bearing to provide a desired axial preload.
    Type: Application
    Filed: November 13, 2007
    Publication date: May 14, 2009
    Inventors: James B. Coffin, Kevin G. VanDuyn