Patents by Inventor Birgit Effner

Birgit Effner 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: 11066949
    Abstract: The present invention relates to a guide vane ring element for a turbomachine, such as a gas turbine, with at least one drilled hole for the at least partial uptake of a flange of a rotatable guide vane, wherein an edge of the drilled hole on the vane element side is designed convexly along the edge in a first circumferential portion and, in particular, has a radius.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: July 20, 2021
    Assignee: MTU Aero Engines AG
    Inventors: Vitalis Mairhanser, Birgit Effner, Alexander Halcoussis, Hannes Wolf
  • Publication number: 20170037741
    Abstract: The present invention relates to a guide vane ring element (10) for a turbomachine, such as a gas turbine, with at least one drilled hole (30) for the at least partial uptake of a flange (21) of a rotatable guide vane (20), wherein an edge of the drilled hole on the vane element side is designed convexly along the edge in a first circumferential portion (31A, 31B) and, in particular, has a radius (R).
    Type: Application
    Filed: July 29, 2016
    Publication date: February 9, 2017
    Inventors: Vitalis Mairhanser, Birgit Effner, Alexander Halcoussis, Hannes Wolf