Patents by Inventor Joseph Kondratek

Joseph Kondratek 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).

  • Rotor structure for rotating machinery and method of assembly thereof
    Patent number: 10267328
    Abstract: According to one aspect, a rotor structure and method of assembling a rotor structure for rotating machinery include a first rotor portion assembled on a tie bolt in abutment with a stop surface and a fastener assembled on the tie bolt at a second axial location spaced from the first axial location to capture the first rotor portion on the tie bolt between the first and second axial locations. A second rotor portion is secured on the tie bolt in abutment with a second stop surface spaced from the first stop surface.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: April 23, 2019
    Assignee: Rolls-Royce Corporation
    Inventors: Joseph Kondratek, Guy Gualtieri, Jonathan P. Acker
  • Rotor Structure for Rotating Machinery and Method of Assembly Thereof
    Publication number: 20170022998
    Abstract: According to one aspect, a rotor structure and method of assembling a rotor structure for rotating machinery include a first rotor portion assembled on a tie bolt in abutment with a stop surface and a fastener assembled on the tie bolt at a second axial location spaced from the first axial location to capture the first rotor portion on the tie bolt between the first and second axial locations. A second rotor portion is secured on the tie bolt in abutment with a second stop surface spaced from the first stop surface.
    Type: Application
    Filed: July 21, 2015
    Publication date: January 26, 2017
    Inventors: Joseph Kondratek, Guy Gualtieri, Jonathan P. Acker