Patents by Inventor Thomas W. Stowe

Thomas W. Stowe 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).

  • Rough dense ceramic sealing surface in turbomachines
    Patent number: 8770926
    Abstract: An abrasive coating is formed on a rotor shaft that rotates with respect to cantilevered vanes. The coating is formed by thermal spray techniques and comprises a ceramic layer on a metal bond coat. The coating surface is roughened by crush grinding or by grit blasting to increase the abradability of the surface.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: July 8, 2014
    Assignee: United Technologies Corporation
    Inventors: Changsheng Guo, Christopher W. Strock, Thomas W. Stowe, Paul W. Baumann
  • BLEED TUBE ATTACHMENT
    Publication number: 20140090397
    Abstract: An anti-vortex assembly for a gas turbine engine includes a support ring including a seat surrounding an opening and a bleed tube including a base with a bearing face sealing against the seat. A retaining ring is mounted within the support ring and engages the base of the bleed air tube to hold the bleed tube within the support ring.
    Type: Application
    Filed: September 28, 2012
    Publication date: April 3, 2014
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Brian C. Lund, Thomas W. Stowe, Christopher St. Mary
  • ROUGH DENSE CERAMIC SEALING SURFACE IN TURBOMACHINES
    Publication number: 20120099972
    Abstract: An abrasive coating is formed on a rotor shaft that rotates with respect to cantilevered vanes. The coating is formed by thermal spray techniques and comprises a ceramic layer on a metal bond coat. The coating surface is roughened by crush grinding or by grit blasting to increase the abradability of the surface.
    Type: Application
    Filed: October 25, 2010
    Publication date: April 26, 2012
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Changsheng Guo, Christopher W. Strock, Thomas W. Stowe, Paul W. Baumann
  • ABRASIVE ROTOR COATING FOR FORMING A SEAL IN A GAS TURBINE ENGINE
    Publication number: 20120099992
    Abstract: A compressor rotor seal includes a bare radial inward end of a rotor vane in proximity to a rotor surface coated with an abrasive material.
    Type: Application
    Filed: October 25, 2010
    Publication date: April 26, 2012
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Christopher W. Strock, Ken Lagueux, Paul W. Baumann, Matthew E. Bintz, Thomas W. Stowe, Paul H. Zajchowski