Patents by Inventor Jean-Luc Rioual

Jean-Luc Rioual 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).

  • Control of boundary layer flow
    Patent number: 5222698
    Abstract: Turbulence in the boundary layer of a flow of air across a surface is controlled by sucking air from the surface. A plurality of turbulence detectors are located in the surface downstream of apertures provided in the surface. The apertures are connected to a suction pump. Air is sucked through the apertures until the air flow of the most downstream of the detectors is non-turbulent.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: June 29, 1993
    Assignee: Rolls-Royce plc
    Inventors: Philip A. Nelson, Michael J. Fisher, Jean-Luc Rioual