Pit Wiedemann 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).
Abstract: A seal includes a supporting ring and at least one sealing ring. The at least one sealing ring has a sheath. The at least one sealing ring and the supporting ring are interconnected. The supporting ring has an outer periphery and is, at least in part, surrounded on the outer periphery by the sheath of the at least one sealing ring in a radial direction. The at least one sealing ring has at least one dynamically loaded sealing lip, which is arranged on a side of the at least one sealing ring facing radially away from the sheath. The at least one sealing ring includes an electrically conductive polymer material. The sheath and the sealing lip transition into one another as one piece.
Type:
Grant
Filed:
April 25, 2018
Date of Patent:
September 28, 2021
Assignee:
CARL FREUDENBERG KG
Inventors:
Ulrich Dahlhaus-Preussler, Daniel Froehlich, Ludwig Baer, Pit Wiedemann, Christian Pfeifer
Abstract: A seal includes a supporting ring and at least one sealing ring. The at least one sealing ring has a sheath. The at least one sealing ring and the supporting ring are interconnected. The supporting ring has an outer periphery and is, at least in part, surrounded on the outer periphery by the sheath of the at least one sealing ring in a radial direction. The at least one sealing ring has at least one dynamically loaded sealing lip, which is arranged on a side of the at least one sealing ring facing radially away from the sheath. The at least one sealing ring includes an electrically conductive polymer material. The sheath and the sealing lip transition into one another as one piece.
Type:
Application
Filed:
April 25, 2018
Publication date:
November 1, 2018
Inventors:
Ulrich Dahlhaus-Preussler, Daniel Froehlich, Ludwig Baer, Pit Wiedemann, Christian Pfeifer
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