Patents by Inventor JOANA VAZ VIEGAS

JOANA VAZ VIEGAS 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: 8864465
    Abstract: The present invention relates to a test blade for a blade-release test. The blade is arranged in use to be mounted on a hub for rotation, and to be released therefrom by the action of a controlled explosion. The blade is arranged to receive at least one explosive charge and at least one detonator for detonating the charge. The blade further comprises a cut-through portion extending completely through the blade from a front face to a rear face, the cut-through portion also extending part way along the blade in an axial direction between a leading edge and a trailing edge of the blade.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: October 21, 2014
    Assignee: Rolls-Royce PLC
    Inventors: Joana Vaz Viegas, Jeremy Nicholas Turner
  • Publication number: 20100158693
    Abstract: The present invention relates to a test blade for a blade-release test. The blade is arranged in use to be mounted on a hub for rotation, and to be released therefrom by the action of a controlled explosion. The blade is arranged to receive at least one explosive charge and at least one detonator for detonating the charge. The blade further comprises a cut-through portion extending completely through the blade from a front face to a rear face, the cut-through portion also extending part way along the blade in an axial direction between a leading edge and a trailing edge of the blade.
    Type: Application
    Filed: November 11, 2009
    Publication date: June 24, 2010
    Applicant: ROLLS-ROYCE PLC
    Inventors: JOANA VAZ VIEGAS, Jermey Nicholas Turner