Patents by Inventor Cédric Nicolas BOT

Cédric Nicolas BOT 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).

  • Patent number: 12228045
    Abstract: A method for repairing an end plate of a turbomachine rotor, the end plate including a crown having at least two collar fastening holes and at least one balancing-weight fastening hole located between the two collar fastening holes, each collar fastening hole being equipped with a crimped nut, the crown having a damaged portion between two collar fastening holes, the method including the steps of removing the two crimped nuts located on either side of the damage; removing the damaged crown portion, for example by machining; putting in place a strip in the form of a crown portion closing off the removed crown portion, the strip having at least one balancing-weight fastening hole and two mounting holes; fastening the strip to the crown with two crimped nuts, which penetrate the mounting holes, by crimping each nut in a collar fastening hole.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: February 18, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Jean-Hilaire Lexilus, Cédric Nicolas Bot, Patrick Jean-Louis Reghezza
  • Publication number: 20240110482
    Abstract: A method for repairing an end plate of a turbomachine rotor, the end plate including a crown having at least two collar fastening holes and at least one balancing-weight fastening hole located between the two collar fastening holes, each collar fastening hole being equipped with a crimped nut, the crown having a damaged portion between two collar fastening holes, the method including the steps of removing the two crimped nuts located on either side of the damage; removing the damaged crown portion, for example by machining; putting in place a strip in the form of a crown portion closing off the removed crown portion, the strip having at least one balancing-weight fastening hole and two mounting holes; fastening the strip to the crown with two crimped nuts, which penetrate the mounting holes, by crimping each nut in a collar fastening hole.
    Type: Application
    Filed: February 9, 2022
    Publication date: April 4, 2024
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Jean-Hilaire LEXILUS, Cédric Nicolas BOT, Patrick Jean-Louis REGHEZZA