Patents by Inventor Marcel MEMMEL

Marcel MEMMEL 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: 12163498
    Abstract: A sealing system for sealing a rotatable shaft of an underwater turbine against an entry of seawater includes a first seal support and a second seal support arranged axially adjacent to the first seal support along the shaft and a first seal element supported by the first seal support and a second seal element supported by the second seal support. The first and second seal elements each have an annular seal body and a lip extending from the seal body to a sealing surface on or rotationally fixed to the rotatable shaft, and at least one lubricant-filled chamber exists between the first and second seal supports and the shaft.
    Type: Grant
    Filed: December 6, 2023
    Date of Patent: December 10, 2024
    Assignee: AKTIEBOLAGET SKF
    Inventors: Matthias Hofmann, Michael Baumann, Marcel Memmel
  • Publication number: 20240200523
    Abstract: A sealing system for sealing a rotatable shaft of an underwater turbine against an entry of seawater includes a first seal support and a second seal support arranged axially adjacent to the first seal support along the shaft and a first seal element supported by the first seal support and a second seal element supported by the second seal support. The first and second seal elements each have an annular seal body and a lip extending from the seal body to a sealing surface on or rotationally fixed to the rotatable shaft, and at least one lubricant-filled chamber exists between the first and second seal supports and the shaft.
    Type: Application
    Filed: December 6, 2023
    Publication date: June 20, 2024
    Inventors: Matthias Hofmann, Michael Baumann, Marcel MEMMEL