Patents by Inventor Didier Queant

Didier Queant 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).

  • Repair of an assembly comprising a main body and a reinforcement
    Patent number: 10786877
    Abstract: A repair method for repairing an assembly including a main body and an old reinforcement, the assembly including an initial hole passing through the old reinforcement and at least a portion of the main body, the method including removing the old reinforcement; positioning a plug in the initial hole in the main body; fastening a new reinforcement on the main body, the new reinforcement covering the plug; and forming a new hole passing through the new reinforcement and at least a portion of the main body.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: September 29, 2020
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Didier Queant, Dominique Magnaudeix
  • REPAIR OF AN ASSEMBLY COMPRISING A MAIN BODY AND A REINFORCEMENT
    Publication number: 20170274485
    Abstract: A repair method for repairing an assembly including a main body and an old reinforcement, the assembly including an initial hole passing through the old reinforcement and at least a portion of the main body, the method including removing the old reinforcement; positioning a plug in the initial hole in the main body; fastening a new reinforcement on the main body, the new reinforcement covering the plug; and forming a new hole passing through the new reinforcement and at least a portion of the main body.
    Type: Application
    Filed: August 20, 2015
    Publication date: September 28, 2017
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Didier QUEANT, Dominique MAGNAUDEIX
  • Turbomachine rotor with a means for axial retention of the blades
    Patent number: 9441494
    Abstract: A rotor of a turbomachine, such as a multi-flow turbojet engine fan, has a disc including, on the rim thereof, substantially axial slots with a dovetailed cross-section, and blades mounted individually in the slots, an axial wedge positioned between the root of the blades and the bottom of the slots, and a transverse lock providing upstream axial immobilization of the blades in the slot thereof. The lock is guided in radial notches formed in the flanks of the slots and radially supported against the wedge. The axial wedge is immobilised in the upstream direction, butting up against a transverse annular component secured to the disc.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: September 13, 2016
    Assignee: SNECMA
    Inventors: Francois Marie Paul Marlin, Frederic Imbourg, Didier Queant
  • TURBOMACHINE ROTOR WITH A MEANS FOR AXIAL RETENTION OF THE BLADES
    Publication number: 20140072437
    Abstract: A rotor of a turbomachine, such as a multi-flow turbojet engine fan, has a disc including, on the rim thereof, substantially axial slots with a dovetailed cross-section, and blades mounted individually in the slots, an axial wedge positioned between the root of the blades and the bottom of the slots, and a transverse lock providing upstream axial immobilization of the blades in the slot thereof. The lock is guided in radial notches formed in the flanks of the slots and radially supported against the wedge. The axial wedge is immobilised in the upstream direction, butting up against a transverse annular component secured to the disc.
    Type: Application
    Filed: May 4, 2012
    Publication date: March 13, 2014
    Applicant: SNECMA
    Inventors: Francois Marie, Paul Marlin, Frederic Imbourg, Didier Queant