Patents by Inventor Young Hanh Le Do

Young Hanh Le Do 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).

  • Corrosion mitigation for gearbox
    Patent number: 10883178
    Abstract: A magnesium component of a rotary wing aircraft is provided including a groove including a first sidewall and a second sidewall arranged on opposing sides of a recessed opening. The first sidewall includes a deposit positioned adjacent the recessed opening. The deposit is formed by cold spraying one or more layers or powdered material within an area of the first sidewall from which material was removed.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: January 5, 2021
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: James Sullivan, Robert Guillemette, Jinkyu Choi, Wayne E. Petroskey, Eric K. Hansen, Anthony G. Chory, Young Hanh Le Do
  • CORROSION MITIGATION FOR GEARBOX
    Publication number: 20180327912
    Abstract: A magnesium component of a rotary wing aircraft is provided including a groove including a first sidewall and a second sidewall arranged on opposing sides of a recessed opening. The first sidewall includes a deposit positioned adjacent the recessed opening. The deposit is formed by cold spraying one or more layers or powdered material within an area of the first sidewall from which material was removed.
    Type: Application
    Filed: July 17, 2018
    Publication date: November 15, 2018
    Inventors: James Sullivan, Robert Guillemette, Jinkyu Choi, Wayne E. Petroskey, Eric K. Hansen, Anthony G. Chory, Young Hanh Le Do
  • Corrosion mitigation for gearbox
    Patent number: 10077499
    Abstract: A magnesium component of a rotary wing aircraft is provided including a groove including a first sidewall and a second sidewall arranged on opposing sides of a recessed opening. The first sidewall includes a deposit positioned adjacent the recessed opening. The deposit is formed by cold spraying one or more layers or powdered material within an area of the first sidewall from which material was removed.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: September 18, 2018
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: James Sullivan, Robert Guillemette, Jinkyu Choi, Wayne E. Petroskey, Eric K. Hansen, Anthony G. Chory, Young Hanh Le Do
  • MASKING PLUG FOR COLD SPRAY REPAIR AT COUNTERBORE HOLE
    Publication number: 20170333934
    Abstract: A method of improving a structure of a component adjacent a feature is provided including removing a portion of the structure including at least one area where damage of corrosion has occurred or is likely to occur to expose a surface of the structure. A masking plug is installed into the feature such that a base of the masking plug is coupled to a first portion of the feature and a head of the masking plug is arranged adjacent a second portion of the feature. A structural deposit is formed on the surface and is integral with the structure. Excess material of the structural deposit and a portion of the head of the masking plug is removed. The second portion of the feature is reformed and the masking plug is removed from the feature.
    Type: Application
    Filed: October 28, 2015
    Publication date: November 23, 2017
    Inventor: Young Hanh Le Do
  • CORROSION MITIGATION FOR GEARBOX
    Publication number: 20150125661
    Abstract: A magnesium component of a rotary wing aircraft is provided including a groove including a first sidewall and a second sidewall arranged on opposing sides of a recessed opening. The first sidewall includes a deposit positioned adjacent the recessed opening. The deposit is formed by cold spraying one or more layers or powdered material within an area of the first sidewall from which material was removed.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 7, 2015
    Applicant: Sikorsky Aircraft Corporation
    Inventors: James Sullivan, Robert Guillemette, Jinkyu Choi, Wayne E. Petroskey, Eric K. Hansen, Anthony G. Chory, Young Hanh Le Do