Patents by Inventor Claus Heuwinkel

Claus Heuwinkel 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).

  • Apparatus and method for improving the damping of acoustic waves
    Patent number: 8485309
    Abstract: An apparatus for damping acoustic waves that includes a volume of fluid having actively excited acoustic waves, an enclosure disposed in the volume of fluid including delimiting surfaces which define a cavity, at least one of the delimiting surfaces being permeable to the fluid, such that fluid may be exchanged between the cavity and the volume, and at least one sound producer disposed proximate the cavity to actively excite the actively excited acoustic waves in the fluid disposed in the cavity such that acoustic waves are damped in the volume.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: July 16, 2013
    Assignee: Deutsches Zentrum fur Luft-und Raumahrt E.V.
    Inventors: Stefan Busse, Claus Heuwinkel, Lars Enghardt, Ingo Röhle
  • APPARATUS AND METHOD FOR IMPROVING THE DAMPING OF ACOUSTIC WAVES
    Publication number: 20100276225
    Abstract: An apparatus for damping acoustic waves that includes a volume of fluid having actively excited acoustic waves, an enclosure disposed in the volume of fluid including delimiting surfaces which define a cavity, at least one of the delimiting surfaces being permeable to the fluid, such that fluid may be exchanged between the cavity and the volume, and at least one sound producer disposed proximate the cavity to actively excite the actively excited acoustic waves in the fluid disposed in the cavity such that acoustic waves are damped in the volume.
    Type: Application
    Filed: July 10, 2008
    Publication date: November 4, 2010
    Inventors: Stefan Busse, Claus Heuwinkel, Lars Enghardt, Ingo Röhle