Patents by Inventor Brent J. Merrritt

Brent J. Merrritt 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 rotor for air cycle machine
    Patent number: 8932021
    Abstract: A fan rotor includes a rotor body that has plurality of fan blades for rotation about a central axis. An annular wall extends radially inward from the rotor body. A hub body extends axially from the annular wall and defines a central hub bore with a hub bore diameter Db. The hub body further defines a first cylindrical hub portion on one axial side of the annular wall and a second cylindrical hub portion on an opposite side of the annular wall. A ratio of the outer diameter of the first cylindrical hub portion to a diameter of the central hub bore is 1.996-2.007, and a ratio of the second cylindrical hub portion outer diameter to the hub bore diameter is 2.051-2.063.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: January 13, 2015
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Darryl A. Colson, Brent J. Merrritt
  • FAN ROTOR FOR AIR CYCLE MACHINE
    Publication number: 20120156043
    Abstract: A fan rotor includes a rotor body that has plurality of fan blades for rotation about a central axis. An annular wall extends radially inward from the rotor body. A hub body extends axially from the annular wall and defines a central hub bore with a hub bore diameter Db. The hub body further defines a first cylindrical hub portion on one axial side of the annular wall and a second cylindrical hub portion on an opposite side of the annular wall. A ratio of the outer diameter of the first cylindrical hub portion to a diameter of the central hub bore is 1.996-2.007, and a ratio of the second cylindrical hub portion outer diameter to the hub bore diameter is 2.051-2.063.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 21, 2012
    Inventors: Darryl A. Colson, Brent J. Merrritt