Patents by Inventor Laurent BESNAULT

Laurent BESNAULT 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).

  • Method for pickling a turbomachine component
    Patent number: 11549371
    Abstract: The invention relates to a method for pickling a turbomachine component (1), comprising the following steps: positioning the component in a closed chamber (2), injecting a gas mixture (3) into the chamber (2), the gas mixture (3) comprising a halogenated gas, heating the chamber (2), the method being characterised in that: the gas mixture further comprises dihydrogen, the heating step is carried out at a temperature higher than 1000° C. and the step of injecting the gas mixture (3) is carried out by circulating through the chamber (2) a flow of gas mixture (3) having a flow rate between 6 and 15 times the volume of the chamber (2) per hour.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: January 10, 2023
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Noureddine Bourhila, Laurent Besnault
  • METHOD FOR PICKLING A TURBOMACHINE COMPONENT
    Publication number: 20210404340
    Abstract: The invention relates to a method for pickling a turbomachine component (1), comprising the following steps: positioning the component in a closed chamber (2), injecting a gas mixture (3) into the chamber (2), the gas mixture (3) comprising a halogenated gas, heating the chamber (2), the method being characterised in that: the gas mixture further comprises dihydrogen, the heating step is carried out at a temperature higher than 1000° C. and the step of injecting the gas mixture (3) is carried out by circulating through the chamber (2) a flow of gas mixture (3) having a flow rate between 6 and 15 times the volume of the chamber (2) per hour.
    Type: Application
    Filed: November 14, 2019
    Publication date: December 30, 2021
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Noureddine BOURHILA, Laurent BESNAULT