Patents by Inventor Raphaël Curtelin

Raphaël Curtelin 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).

  • Convergent-divergent turbojet nozzle
    Patent number: 6993914
    Abstract: The present invention relates to a convergent-divergent turbojet nozzle (1) comprising driven divergent flaps (4a), follower divergent flaps (4b) interposed between the driven flaps, and means (32) for supplying cooling air to the follower flaps (4b), said follower flaps (4b) having a box structure and having lateral openings for delivering cooling air towards the inner face of said driven flaps (4a), in such a way as to limit the heating up of these flaps when the turbojet is in operation.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: February 7, 2006
    Assignee: Snecma Moteurs
    Inventors: Jackie Prouteau, Raphaël Curtelin, Guy Lapergue, Didier Feder