Patents by Inventor Marc HOFFNER

Marc HOFFNER 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: 12655907
    Abstract: A sealing arrangement for sealing a first region from a second, oil-filled region on a rotating component, including a sealing ring with a first sealing flange, a second sealing flange and a connecting region. The sealing arrangement includes a grounding element arranged on a rear side of the connecting region and that electrically connects the rotating component to a stationary housing. The sealing arrangement includes a gap seal arranged between the first sealing flange and the grounding element. A first space between the sealing ring and the gap seal provides a collecting space for oil from the second region. The gap seal maintains a gap to the rotating component ensuring protection of the grounding element from oil and supplying oil to the grounding element depending on a gap height to allow contact lubrication between the grounding element and the rotating component without functionally restricting electrical properties of the grounding element.
    Type: Grant
    Filed: November 5, 2024
    Date of Patent: June 16, 2026
    Assignee: CARL FREUDENBERG KG
    Inventors: Marc Hoffner, Günter Hintenlang, Jens Hofmann
  • Publication number: 20250146577
    Abstract: A sealing arrangement for sealing a first region from a second, oil-filled region on a rotating component, including a sealing ring with a first sealing flange, a second sealing flange and a connecting region. The sealing arrangement includes a grounding element arranged on a rear side of the connecting region and that electrically connects the rotating component to a stationary housing. The sealing arrangement includes a gap seal arranged between the first sealing flange and the grounding element. A first space between the sealing ring and the gap seal provides a collecting space for oil from the second region. The gap seal maintains a gap to the rotating component ensuring protection of the grounding element from oil and supplying oil to the grounding element depending on a gap height to allow contact lubrication between the grounding element and the rotating component without functionally restricting electrical properties of the grounding element.
    Type: Application
    Filed: November 5, 2024
    Publication date: May 8, 2025
    Inventors: Marc HOFFNER, Günter HINTENLANG, Jens HOFMANN