Patents by Inventor Raphael Urech

Raphael Urech 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).

  • Gas turbine combustion chamber with scavenged Helmholtz resonators
    Patent number: 5373695
    Abstract: In a gas turbine combustion chamber having an annular combustion space, the combustion chamber inlet is equipped with a plurality of burners, which are uniformly distributed in the peripheral direction and are fastened to a front plate. Scavenged Helmholtz resonators (21) consisting of supply tube (51), resonance volume (50) and damping tube (52) are arranged in the region of the burners. The damping tubes (52) are designed so as to be exchangeable, for which purpose the walls of the combustion space are provided with a manhole.
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: December 20, 1994
    Assignee: Asea Brown Boveri Ltd.
    Inventors: Manfred Aigner, Raphael Urech, Hugo Wetter