Patents by Inventor Vera Keller

Vera Keller 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).

  • Patent number: 6351947
    Abstract: In a combustion chamber for a gas turbine, noise absorption is achieved over a wide frequency range with simultaneous cooling of the arrangement and low space requirement by the inner wall being formed, at least in a partial region of the inner walls by at least two perforated plates arranged essentially parallel to one another, and by the distances between the perforated plates and the geometrical dimensions of the openings being selected in such a way that a plurality of mutually connected Helmholtz resonators is formed and that, in addition, further expedients are available which act to absorb noise.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: March 5, 2002
    Assignee: ABB Alstom Power (Schweiz)
    Inventors: Jakob Keller, Georg Keller, Vera Keller