Patents by Inventor Robert T. Knowlton

Robert T. Knowlton 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).

  • Linkage assembly preventing axial rotation of the link rod for a gas turbine engine
    Patent number: 11248560
    Abstract: Disclosed is a linkage assembly for a gas turbine engine having a link having a first end, a second end, and a rod extending therebetween, the first end having a first sliding bearing disposed within a first sliding bearing housing, a fastener comprising a first flange and a second flange, a pin extending between the first flange and the second flange, wherein the first sliding bearing is pivotally connected to the pin; and a biasing member secured between the first flange and the sliding bearing housing, the biasing member contacting the sliding bearing housing and biasing the link against rotation about a center axis for the rod of the link.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: February 15, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Alex J. Simpson, Robert T. Knowlton
  • LINKAGE ASSEMBLY PREVENTING AXIAL ROTATION OF THE LINK ROD
    Publication number: 20200217271
    Abstract: Disclosed is a linkage assembly for a gas turbine engine having a link having a first end, a second end, and a rod extending therebetween, the first end having a first sliding bearing disposed within a first sliding bearing housing, a fastener comprising a first flange and a second flange, a pin extending between the first flange and the second flange, wherein the first sliding bearing is pivotally connected to the pin; and a biasing member secured between the first flange and the sliding bearing housing, the biasing member contacting the sliding bearing housing and biasing the link against rotation about a center axis for the rod of the link.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Inventors: Alex J. Simpson, Robert T. Knowlton
  • Linkage assembly preventing axial rotation of the link rod
    Patent number: 10634092
    Abstract: Disclosed is a linkage assembly for a gas turbine engine having a link having a first end, a second end, and a rod extending therebetween, the first end having a first sliding bearing disposed within a first sliding bearing housing, a fastener comprising a first flange and a second flange, a pin extending between the first flange and the second flange, wherein the first sliding bearing is pivotally connected to the pin; and a biasing member secured between the first flange and the sliding bearing housing, the biasing member contacting the sliding bearing housing and biasing the link against rotation about a center axis for the rod of the link.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: April 28, 2020
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Alex J. Simpson, Robert T. Knowlton
  • LINKAGE ASSEMBLY
    Publication number: 20190078533
    Abstract: Disclosed is a linkage assembly for a gas turbine engine having a link having a first end, a second end, and a rod extending therebetween, the first end having a first sliding bearing disposed within a first sliding bearing housing, a fastener comprising a first flange and a second flange, a pin extending between the first flange and the second flange, wherein the first sliding bearing is pivotally connected to the pin; and a biasing member secured between the first flange and the sliding bearing housing, the biasing member contacting the sliding bearing housing and biasing the link against rotation about a center axis for the rod of the link.
    Type: Application
    Filed: September 8, 2017
    Publication date: March 14, 2019
    Inventors: Alex J. Simpson, Robert T. Knowlton