Patents by Inventor Jacques L. Drouet

Jacques L. Drouet 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: 4222707
    Abstract: The invention concerns an impact cooling device for the packing rings of turbine of a turbojet engine. The flow of cooling air entering an enclosure concentric to the rings, is divided into two distinct ventilation circuits by means of a ferrule of a generally circular shape, having corrugations, and with the amplitudes of said corrugations decreasing from upstream to downstream.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: September 16, 1980
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation
    Inventors: Jacques L. Drouet, Marcel J. Tournere