Patents by Inventor Philippe Gabriel Louis BELAYGUE

Philippe Gabriel Louis BELAYGUE 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).

  • Publication number: 20230018317
    Abstract: A method for manufacturing a blade with a first portion and a second portion, the method includes forming the first portion that includes forming a model of the first portion from removable material, forming a first shell mould from the model of the first portion, and forming the single-crystal or columnar first portion m a first metal alloy in the first shell mould from a single-crystal seed, and forming the second portion in which the second portion is formed on the first portion, and in which the first portion and the second portion are made from different materials, the second portion being polycrystalline and formed from a second metal alloy. The blade includes a single-crystal or columnar first portion made from a first metal alloy and a polycrystalline second portion made from the second metal alloy different from the first metal alloy.
    Type: Application
    Filed: December 15, 2020
    Publication date: January 19, 2023
    Applicant: SAFRAN HELICOPTER ENGINES
    Inventors: Philippe Gabriel Louis BELAYGUE, Baptiste Romain LARROUY, Olivier Philippe David BERTEAUX