Patents by Inventor Stephane Grimal

Stephane Grimal 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).

  • Blade plug for communicating fluid therethrough
    Patent number: 10464660
    Abstract: A method of manufacturing an aircraft blade is provided. The method includes attaching a fluid communicator to a plug tool connected to a blade plug, opening a passage in the blade plug using the plug tool, communicating fluid to or from a blade cavity through the passage using the fluid communicator, and sealing the passage in the blade plug using the plug tool.
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: November 5, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Paul A. Carvalho, Stephane Grimal, Pierre Alexandre Picard
  • Blade plug for communicating fluid therethrough
    Patent number: 10407158
    Abstract: A blade plug for an aircraft blade is provided. The blade plug includes a first body having a boss extending therefrom and an aperture passing through the boss, the first body configured to sealingly engage with an opening of a blade, a plug cap configured to releasably engage with the boss and move between a first position and a second position, and a passage passing through the first body configured to allow fluid communication through the first body. When the plug cap is in the first position, fluid may not pass through the passage and, when the plug cap is in the second position, fluid may pass through the passage, and the first body has an outer diameter of 4.15 inches (105.37 mm).
    Type: Grant
    Filed: April 18, 2016
    Date of Patent: September 10, 2019
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Paul A. Carvalho, Stephane Grimal, Pierre Alexandre Picard
  • BLADE PLUG FOR COMMUNICATING FLUID THERETHROUGH
    Publication number: 20160318599
    Abstract: A blade plug for an aircraft blade is provided. The blade plug includes a first body having a boss extending therefrom and an aperture passing through the boss, the first body configured to sealingly engage with an opening of a blade, a plug cap configured to releasably engage with the boss and move between a first position and a second position, and a passage passing through the first body configured to allow fluid communication through the first body. When the plug cap is in the first position, fluid may not pass through the passage and, when the plug cap is in the second position, fluid may pass through the passage, and the first body has an outer diameter of 4.15 inches (105.37 mm).
    Type: Application
    Filed: April 18, 2016
    Publication date: November 3, 2016
    Inventors: Paul A. Carvalho, Stephane Grimal, Pierre Alexandre Picard
  • BLADE PLUG FOR COMMUNICATING FLUID THERETHROUGH
    Publication number: 20160318598
    Abstract: A method of manufacturing an aircraft blade is provided. The method includes attaching a fluid communicator to a plug tool connected to a blade plug, opening a passage in the blade plug using the plug tool, communicating fluid to or from a blade cavity through the passage using the fluid communicator, and sealing the passage in the blade plug using the plug tool.
    Type: Application
    Filed: April 18, 2016
    Publication date: November 3, 2016
    Inventors: Paul A. Carvalho, Stephane Grimal, Pierre Alexandre Picard
  • Propeller blade with lightweight insert
    Patent number: 9429024
    Abstract: A propeller blade includes a foam core and a structural layer that surrounds at least a portion of the foam core and includes a face side and a camber side is disclosed. The propeller blade also includes an insert disposed in the foam core in operable contact with the face side and the camber side of the structural layer.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: August 30, 2016
    Assignees: HAMILTON SUNDSTRAND CORPORATION, RATIER-FIGEAC SAS
    Inventors: David P. Nagle, Paul Carvalho, Bruno Seminal, Stephane Grimal
  • PROPELLER BLADE WITH LIGHTWEIGHT INSERT
    Publication number: 20130136615
    Abstract: A propeller blade includes a foam core and a structural layer that surrounds at least a portion of the foam core and includes a face side and a camber side is disclosed. The propeller blade also includes an insert disposed in the foam core in operable contact with the face side and the camber side of the structural layer.
    Type: Application
    Filed: November 30, 2012
    Publication date: May 30, 2013
    Inventors: David P. Nagle, Paul Carvalho, Bruno Seminal, Stephane Grimal