Patents by Inventor William N. Green

William N. Green 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).

  • Low leakage seal for tower shaft
    Patent number: 11053858
    Abstract: A gas turbine engine includes a shaft compartment containing at least one main shaft which rotates about a main axis of rotation; and a tower shaft engaged with the at least one main shaft for rotation about a tower shaft axis of rotation, the tower shaft being mounted in a bearing compartment extending away from the shaft compartment, wherein the bearing compartment is sealed against leakage from inside the bearing compartment to ambient. The seal can be produced using a tower shaft seal held in a seal housing and sealing against one or more faces of the tower shaft assembly or components.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: July 6, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Rachel A. McGrath, William N. Green
  • LOW LEAKAGE SEAL FOR TOWER SHAFT
    Publication number: 20200256257
    Abstract: A gas turbine engine includes a shaft compartment containing at least one main shaft which rotates about a main axis of rotation; and a tower shaft engaged with the at least one main shaft for rotation about a tower shaft axis of rotation, the tower shaft being mounted in a bearing compartment extending away from the shaft compartment, wherein the bearing compartment is sealed against leakage from inside the bearing compartment to ambient. The seal can be produced using a tower shaft seal held in a seal housing and sealing against one or more faces of the tower shaft assembly or components.
    Type: Application
    Filed: February 7, 2019
    Publication date: August 13, 2020
    Applicant: United Technologies Corporation
    Inventors: Rachel A. McGrath, William N. Green