Patents by Inventor Clay Johnstun

Clay Johnstun 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).

  • Gas turbine engines with internally stretched tie shafts
    Patent number: 9896938
    Abstract: A tie shaft for a rotating group of an engine core includes a cylindrical body having an internal surface and an external surface and extending between a forward end and an aft end. The tie shaft further includes a first group of internal grooves on the internal surface of the cylindrical body proximate to the forward end and a second group of internal grooves on the internal surface of the cylindrical body proximate to the aft end.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: February 20, 2018
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Bradley Reed Tucker, Cristopher Frost, Clay Johnstun, Mike O'Brien
  • GAS TURBINE ENGINES WITH INTERNALLY STRETCHED TIE SHAFTS
    Publication number: 20160230560
    Abstract: A tie shaft for a rotating group of an engine core includes a cylindrical body having an internal surface and an external surface and extending between a forward end and an aft end.
    Type: Application
    Filed: February 5, 2015
    Publication date: August 11, 2016
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Bradley Reed Tucker, Cristopher Frost, Clay Johnstun, Mike O'Brien