Patents by Inventor Phillip E. Alexander

Phillip E. Alexander 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).

  • Dual retention vane arm
    Patent number: 7011494
    Abstract: A variable vane arm is disclosed having dual retention capability to ensure vanes of a gas turbine engine remain connected to the vane arm even under surge loads or when fastener preload, or the entire fastener, is lost. The variable vane arm further provides a surge slot to facilitate rotation of the vane even when the vane is operating under surge or otherwise excessively high pressure conditions.
    Type: Grant
    Filed: February 4, 2004
    Date of Patent: March 14, 2006
    Assignee: United Technologies Corporation
    Inventors: David O. Kies, Phillip E. Alexander, Joshua D. Brumbaugh