Patents Examined by Behmoush Haghighian
  • Segregated impeller shroud for clearance control in a centrifugal compressor
    Patent number: 10935044
    Abstract: A system for controlling the clearance distance between an impeller blade tip of a centrifugal compressor and a radially inner surface of a segregated impeller shroud in a turbine engine. The system comprises a driving mechanism coupled to a portion of a segregated impeller shroud. The driving mechanism comprises a driving arm and threaded axial member configured to translate motion of an actuator ring into axially forward and aft motion of the portion of the segregated impeller shroud.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: March 2, 2021
    Assignee: Rolls-Royce Corporation
    Inventors: Nathan Ottow, Johnathan Acker, Nate Cooper, Mark Whitlock, Michael Nesteroff