Patents by Inventor Didier J. A. Totain

Didier J. A. Totain 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).

  • System for sealing the bearing of a machine, especially a turbomachine
    Patent number: 5451066
    Abstract: The invention concerns a system for sealing the bearing of a machine, especially a turbomachine, in which a shaft is disposed inside a housing which includes a partition traversed by the shaft and separating an air chamber from an oil chamber, the housing including an axial boss on the side of the oil chamber, this system further including a device for generating a flow of air for pushing back the oil, which has penetrated into the space existing between the housing and the shaft, towards the oil chamber.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: September 19, 1995
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "S.N.E.C.M.A."
    Inventor: Didier J. A. Totain