Patents by Inventor Pierre Spiegel

Pierre Spiegel 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).

  • METHOD FOR INDICATING A NOISE LEVEL OF A ROTARY-WING AIRCRAFT
    Publication number: 20110001637
    Abstract: A method for displaying a noise level (Lfar field) of a rotary-wing aircraft (10) and system there for, the method comprising the following steps: (a) detecting a torque (Mengine) in a drive train of the rotary-wing aircraft (10), (b) detecting of a forward speed (Vforward) of the rotary-wing aircraft (10), (c) determining a noise level of the rotary-wing aircraft (10) from the torque (Mengine) or the torque (Mengine) and the forward speed (Vforward), and (d) providing an indication of the noise level in a cockpit (20) of the rotary-wing aircraft (10).
    Type: Application
    Filed: February 18, 2009
    Publication date: January 6, 2011
    Applicant: DEUTSCHES ZENTRUM FUR LUFT- UND RAMFAHRT E.V.
    Inventor: Pierre Spiegel