Patents by Inventor Toby Chris Whitehead

Toby Chris Whitehead 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).

  • Bearing with an eccentric seal groove
    Patent number: 10962059
    Abstract: A pump bearing for use in a gear pump including a top face, a side face perimetrically surrounding the top face, a bottom face opposed to the top face, a first bearing bore projecting from the top face to the bottom face defining an axis and configured to contain a drive-side shaft, and a groove within the side face located between the top face and the bottom face a variable depth in a direction perpendicular to the axis configured to a receive seal.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: March 30, 2021
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Zachary Allen Ray Le Duc, David Wakefield, Toby Chris Whitehead
  • BEARING WITH AN ASYMMETRIC PRESSURE BALANCE GROOVE
    Publication number: 20200392846
    Abstract: A pump bearing including a top face, a side face peripherally surrounding the top face, a bottom face opposed to the top face, a first bearing bore projecting from the top face to the bottom face, an edge defined where the top face meets the side face, and an asymmetric pressure balance groove defined within a portion of the edge of the top face and the side face defining first depth from the top face.
    Type: Application
    Filed: June 17, 2019
    Publication date: December 17, 2020
    Inventors: Zachary Allen Ray Le Duc, David Wakefield, Toby Chris Whitehead
  • BEARING WITH AN ECCENTRIC SEAL GROOVE
    Publication number: 20200392997
    Abstract: A pump bearing for use in a gear pump including a top face, a side face perimetrically surrounding the top face, a bottom face opposed to the top face, a first bearing bore projecting from the top face to the bottom face defining an axis and configured to contain a drive-side shaft, and a groove within the side face located between the top face and the bottom face a variable depth in a direction perpendicular to the axis configured to a receive seal.
    Type: Application
    Filed: June 17, 2019
    Publication date: December 17, 2020
    Inventors: Zachary Allen Ray Le Duc, David Wakefield, Toby Chris Whitehead
  • Bearing with an asymmetric pressure balance groove
    Patent number: 10858940
    Abstract: A pump bearing including a top face, a side face peripherally surrounding the top face, a bottom face opposed to the top face, a first bearing bore projecting from the top face to the bottom face, an edge defined where the top face meets the side face, and an asymmetric pressure balance groove defined within a portion of the edge of the top face and the side face defining first depth from the top face.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: December 8, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Zachary Allen Ray Le Duc, David Wakefield, Toby Chris Whitehead