Patents by Inventor Afework Woubshet

Afework Woubshet 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).

  • Counter-swirl doublet combustor with plunged holes
    Patent number: 10920983
    Abstract: An improved system, apparatus and method may comprise an inner liner and an outer liner extending circumferentially around an engine centerline axis thereby forming a combustion chamber therebetween. The system, apparatus, and method may include a front end extending between the inner and outer liners and having a plurality of fuel nozzle ports configured to each receive a fuel nozzle. First and second outer plunged inlet holes may be formed in the outer liner and extending in a first radial direction toward the engine centerline axis and into at least a portion of the combustion chamber. First and second inner plunged inlet holes may be formed in the inner liner and extending in a second radial direction away from the engine centerline axis and into at least a portion of the combustion chamber.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: February 16, 2021
    Assignee: Rolls-Royce Corporation
    Inventors: Charles B. Graves, Mindi D. Moore, Afework Woubshet, Randall E. Yount
  • COUNTER-SWIRL DOUBLET COMBUSTOR WITH PLUNGED HOLES
    Publication number: 20160169517
    Abstract: An improved system, apparatus and method may comprise an inner liner and an outer liner extending circumferentially around an engine centerline axis thereby forming a combustion chamber therebetween. The system, apparatus, and method may include a front end extending between the inner and outer liners and having a plurality of fuel nozzle ports configured to each receive a fuel nozzle. First and second outer plunged inlet holes may be formed in the outer liner and extending in a first radial direction toward the engine centerline axis and into at least a portion of the combustion chamber. First and second inner plunged inlet holes may be formed in the inner liner and extending in a second radial direction away from the engine centerline axis and into at least a portion of the combustion chamber.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 16, 2016
    Applicant: Rolls-Royce Corporation
    Inventors: Charles B. Graves, Mindi D. Moore, Afework Woubshet, Randall E. Yount