Patents by Inventor Walter Enthammer

Walter Enthammer 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: 8899938
    Abstract: A blade for a turbomachine, in particular for a rotor of a helicopter. A main section is designed to create a flow in the surrounding medium and extends from a hub section to a blade tip region. An end piece for influencing eddy formation in the blade tip region. To achieve a substantial noise reduction, the end piece is designed as a rounded flow body comprising at least one groove originating in the transition region between the body and the main section, substantially in the direction of the blade axis and curving towards the trailing edge of the blade.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: December 2, 2014
    Inventor: Walter Enthammer
  • Publication number: 20110171037
    Abstract: A blade for a turbomachine, in particular for a rotor of a helicopter. A main section is designed to create a flow in the surrounding medium and extends from a hub section to a blade tip region. An end piece for influencing eddy formation in the blade tip region. To achieve a substantial noise reduction, the end piece is designed as a rounded flow body comprising at least one groove originating in the transition region between the body and the main section, substantially in the direction of the blade axis and curving towards the trailing edge of the blade.
    Type: Application
    Filed: September 22, 2009
    Publication date: July 14, 2011
    Inventor: Walter Enthammer