Patents by Inventor Bronwyn Powers

Bronwyn Powers 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).

  • Attachment feature of a gas turbine engine blade having a curved profile
    Patent number: 9739158
    Abstract: An airfoil member is disclosed having an attachment feature such as a fir tree or dovetail design that includes a curved profile formed from a combination of curves. In one embodiment, the curved profile can be a compound curve formed by a forward curve and a rearward curve that are joined at a point of common tangency. In another embodiment, the curved profile can include curves that do not meet at a common tangency. A cut out can be formed in the curved profile. In some forms, the cut out is formed on a pressure face of the attachment feature.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: August 22, 2017
    Assignee: Rolls-Royce Corporation
    Inventors: Jonathan M. Rivers, Bronwyn Powers
  • ATTACHMENT FEATURE OF A GAS TURBINE ENGINE BLADE HAVING A CURVED PROFILE
    Publication number: 20140255187
    Abstract: An airfoil member is disclosed having an attachment feature such as a fir tree or dovetail design that includes a curved profile formed from a combination of curves. In one embodiment, the curved profile can be a compound curve formed by a forward curve and a rearward curve that are joined at a point of common tangency. In another embodiment, the curved profile can include curves that do not meet at a common tangency. A cut out can be formed in the curved profile. In some forms, the cut out is formed on a pressure face of the attachment feature.
    Type: Application
    Filed: December 5, 2013
    Publication date: September 11, 2014
    Inventors: Jonathan M. Rivers, Bronwyn Powers