Patents by Inventor Daniele A. Falchero

Daniele A. Falchero 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).

  • Two-sweep rotary wing blade with limited taper ratio
    Publication number: 20050158175
    Abstract: The present invention relates to a rotary wing blade of limited taper ratio, comprising in succession along a reference radius: an inner zone; a forward-swept zone; and a back-swept zone. In addition, the beginning of the forward-swept zone lies in the range 0.47 to 0.65 times the reference radius R of the rotary wing. Furthermore, the leading edge of the blade at the reference radius presents an angle ? lying in the range ?40° and ?60° relative to the general axis of the blade.
    Type: Application
    Filed: January 21, 2005
    Publication date: July 21, 2005
    Inventors: Daniele Falchero, Gilles Arnaud, Frederic Beroul, Joelle Bailly, Philippe Beaumier, Yves Delrieux
  • Blade for aircraft rotary wings, with swept-back tip
    Patent number: 5332362
    Abstract: The variation in the length of the chord L and the variation of the offset Y'f of the aerodynamic center are such that the leading edge (5) and the trailing edge (6) of the blade (1), along its longitudinal extent, exhibit no break, the overall aerodynamic center of said blade Being substantially situated on the pitch variation axis.
    Type: Grant
    Filed: March 24, 1993
    Date of Patent: July 26, 1994
    Assignee: Societe Anonyme dite: Eurocopter France
    Inventors: Francois V. Toulmay, Daniele A. Falchero