Patents by Inventor Stephane Bougelet

Stephane Bougelet 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).

  • Additive manufacturing method for a turbofan engine oil tank
    Patent number: 11440245
    Abstract: The invention relates to a method of manufacturing at least one tank with a shell, in particular a turbojet engine oil tank. The method comprises the following stages: (a) definition of different shell sections (58) for each tank, whereof a first shell section (58) has a recess (60) and a second shell section (58) a boss (62); (b) production of the shell sections (58) by additive manufacturing in which the boss (62) on the second shell section is produced in the recess (60) in the first shell section; then (c) welding of the sections (60) one to the other.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: September 13, 2022
    Inventors: Stephane Bougelet, Florian Cleyet, Tom Henkes, Bruno Servais
  • Turbomachine oil tank
    Patent number: 10914198
    Abstract: The invention relates to a turbojet engine oil tank (30). The tank (30) comprises a main chamber and an envelope (34) delimiting the main chamber, and a fixing portion (44) for example with fixing flanges (46) and a branch (48). The envelope (34) features in particular an envelope part (34) relative to which the fixing portion (44) projects. The envelope part (34) and the fixing portion (44) are produced by layered additive fabrication so as to be in one piece. The invention also relates to a method of fabricating an oil tank (30).
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: February 9, 2021
    Assignee: SAFRAN AEROBOOSTERS SA
    Inventors: Florian Cleyet, Stephane Bougelet
  • TURBOMACHINE OIL TANK
    Publication number: 20180128128
    Abstract: The invention relates to a turbojet engine oil tank (30). The tank (30) comprises a main chamber and an envelope (34) delimiting the main chamber, and a fixing portion (44) for example with fixing flanges (46) and a branch (48). The envelope (34) features in particular an envelope part (34) relative to which the fixing portion (44) projects. The envelope part (34) and the fixing portion (44) are produced by layered additive fabrication so as to be in one piece. The invention also relates to a method of fabricating an oil tank (30).
    Type: Application
    Filed: October 9, 2017
    Publication date: May 10, 2018
    Inventors: Florian Cleyet, Stephane Bougelet
  • ADDITIVE MANUFACTURING METHOD FOR A TURBOFAN ENGINE OIL TANK
    Publication number: 20180104893
    Abstract: The invention relates to a method of manufacturing at least one tank with a shell, in particular a turbojet engine oil tank. The method comprises the following stages: (a) definition of different shell sections (58) for each tank, whereof a first shell section (58) has a recess (60) and a second shell section (58) a boss (62); (b) production of the shell sections (58) by additive manufacturing in which the boss (62) on the second shell section is produced in the recess (60) in the first shell section; then (c) welding of the sections (60) one to the other.
    Type: Application
    Filed: October 9, 2017
    Publication date: April 19, 2018
    Inventors: Stephane Bougelet, Florian Cleyet, Tom Henkes, Bruno Servais