Patents by Inventor Frederic Lespinasse

Frederic Lespinasse 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).

  • Labyrinth disk for a turbomachine
    Patent number: 9546561
    Abstract: A labyrinth disk for a turbomachine is provided. The disk includes a hub, a web and a frustoconical peripheral portion, having on one face labyrinth seal teeth and on the other face radial ribs. The flanks of the ribs delimit, between one another, channels which open out at the periphery of the disk. The width of the channels decreases from the base of the frustoconical portion to the opening at the periphery. The ribs are split close to the periphery, and a recess is created between the two flanks of one and the same rib.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: January 17, 2017
    Assignee: SNECMA
    Inventors: Emilie Pouzet, Didier Pasquiet, Frederic Lespinasse
  • LABYRINTH DISK FOR A TURBOMACHINE
    Publication number: 20140271150
    Abstract: The present invention relates to a labyrinth disk for a turbomachine comprising a hub, a web and a frustoconical peripheral portion, having on one face labyrinth seal teeth and on the other face radial ribs (78?) the flanks (78?f) of which delimit, between one another, channels (80) which open out at the periphery of the disk, the width of said channels decreasing from the base of the frustoconical portion to the opening at the periphery, wherein the ribs are split close to the periphery, a recess (79?) being created between the two flanks (78?f) of one and the same rib.
    Type: Application
    Filed: July 17, 2013
    Publication date: September 18, 2014
    Inventors: Emilie POUZET, Didier Pasquiet, Frederic Lespinasse