Patents by Inventor Pierre DELALEAU

Pierre DELALEAU 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).

  • Hollow vane, and associated production method
    Patent number: 10132177
    Abstract: A hollow vane, includes a main portion, of which the cavity is closed by a cover, that is produced by expanding the main portion relative to the cover, for example by means of differential thermal expansion, then by placing the cover at the bottom of the opening of the cavity, before allowing the main portion to close again, closing a nesting between a protrusion at the bottom of the cover and a widening at the bottom of the opening. The disadvantages linked to the use of welding, glue or even assembly parts are as such avoided.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: November 20, 2018
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Guillaume Fribourg, Pierre Delaleau, Florian Tellier
  • HOLLOW VANE, AND ASSOCIATED PRODUCTION METHOD
    Publication number: 20160123167
    Abstract: A hollow vane, includes a main portion, of which the cavity is closed by a cover, that is produced by expanding the main portion relative to the cover, for example by means of differential thermal expansion, then by placing the cover at the bottom of the opening of the cavity, before allowing the main portion to close again, closing a nesting between a protrusion at the bottom of the cover and a widening at the bottom of the opening. The disadvantages linked to the use of welding, glue or even assembly parts are as such avoided.
    Type: Application
    Filed: May 28, 2014
    Publication date: May 5, 2016
    Applicant: SNECMA
    Inventors: Guillaume FRIBOURG, Pierre DELALEAU, Florian TELLIER