Patents by Inventor Johnathan Acker

Johnathan Acker 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).

  • 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
  • SEGREGATED IMPELLER SHROUD FOR CLEARANCE CONTROL IN A CENTRIFUGAL COMPRESSOR
    Publication number: 20190353180
    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: Application
    Filed: August 1, 2019
    Publication date: November 21, 2019
    Applicant: Rolls-Royce Corporation
    Inventors: Nathan Ottow, Johnathan Acker, Nate Cooper, Mark Whitlock, Michael Nesteroff