Patents by Inventor Alexandre Eric Lefebvre

Alexandre Eric Lefebvre 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: 11480340
    Abstract: The present disclosure provides devices for guiding an element in a combustion chamber wall opening. Between the welds or brazes joining a bushing with a cup and the trajectory of the ring edge, an intermediate space is reserved in an internal annular groove for said welds or brazes to protrude into, so that said welds or brazes lie outside the trajectory of the ring edge.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: October 25, 2022
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Jacques Marcel Arthur Bunel, Alexandre Eric Lefebvre
  • Publication number: 20210131666
    Abstract: The present disclosure provides devices for guiding an element in a combustion chamber wall opening. Between the welds or brazes joining a bushing with a cup and the trajectory of the ring edge, an intermediate space is reserved in an internal annular groove for said welds or brazes to protrude into, so that said welds or brazes lie outside the trajectory of the ring edge.
    Type: Application
    Filed: June 28, 2019
    Publication date: May 6, 2021
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Jacques Marcel Arthur Bunel, Alexandre Eric Lefebvre