Patents by Inventor Patrick Gardarein

Patrick Gardarein 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).

  • Blade with reduced sound signature, for aircraft rotating aerofoil, and rotating aerofoil comprising such a blade
    Patent number: 6116857
    Abstract: A blade is disclosed for an aircraft rotating aerofoil. The aerodynamically profiled main part of the blade includes an external end part adjacent to the tip of the blade and extending along the span over a distance of at least 0.2 R, where R is the radius of the rotor. The end part having a rear camber over a distance along the span of at least 0.15 R, and the aerodynamically profiled main part includes also a front cambered part, immediately adjacent to the inside of the rear cambered end part.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: September 12, 2000
    Assignee: Onera
    Inventors: Wolf R. Splettstoesser, Berend Van De Wall, Yves Delrieux, Patrick Gardarein