Patents by Inventor Janne EHRL

Janne EHRL 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: 10131963
    Abstract: The invention relates to a pneumatic needling device for the local surface treatment, more particularly fastening, of components, comprising a first and a second needle (2) that can move in a needle direction; a first and a second piston chamber (3) for applying pneumatic pressure to the first and second needles in the needle direction; a pressure supply (1) that can be connected to and disconnected from the piston chambers, more particularly as a result of a movement of the needles in the needling device; a pressure recording means (5) for measuring pressure fluctuations in the piston chambers; and a control means (6) designed to carry out a reaction on the basis of the measured pressure fluctuations.
    Type: Grant
    Filed: April 5, 2014
    Date of Patent: November 20, 2018
    Assignee: MTU Aero Engines AG
    Inventors: Janne Ehrl, Holger Polanetzki
  • Publication number: 20160108487
    Abstract: The invention relates to a pneumatic needling device for the local surface treatment, more particularly fastening, of components, comprising a first and a second needle (2) that can move in a needle direction; a first and a second piston chamber (3) for applying pneumatic pressure to the first and second needles in the needle direction; a pressure supply (1) that can be connected to and disconnected from the piston chambers, more particularly as a result of a movement of the needles in the needling device; a pressure recording means (5) for measuring pressure fluctuations in the piston chambers; and a control means (6) designed to carry out a reaction on the basis of the measured pressure fluctuations.
    Type: Application
    Filed: April 5, 2014
    Publication date: April 21, 2016
    Inventors: Janne EHRL, Holger POLANETZKI