Patents by Inventor Joanna Stefania Dzwonczyk

Joanna Stefania Dzwonczyk 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).

  • Transmission, in particular, a planetary transmission
    Patent number: 11713748
    Abstract: A planetary transmission for a wind turbine includes a bolt having a cylindrical outer surface and a gear having a cylindrical inner surface rotatably supported on the outer surface of the bolt. The cylindrical outer surface of the bolt and the cylindrical inner surface of the gear are configured to function as a plain bearing, and one or both of these surfaces may include a sliding layer formed from a low friction material.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: August 1, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: Joanna Stefania Dzwonczyk, Thilo von Schleinitz
  • PLAIN BEARING WITH IMPROVED WEAR RESISTANCE
    Publication number: 20230193951
    Abstract: A plain bearing includes a metal outer ring having an inner surface and a metal inner ring having an outer surface configured to cooperate with the inner surface of the outer ring to permit relative movement of the inner and outer rings. At least the outer surface of the inner ring is provided with a plasma electrolytic oxidation coating and/or at least the inner surface of the outer ring is provided with a plasma electrolytic oxidation coating.
    Type: Application
    Filed: November 21, 2022
    Publication date: June 22, 2023
    Inventors: Joanna Stefania DZWONCZYK, Grant James DENNIS, Michael Brett COLTON
  • PLAIN BEARING, NOTABLY FOR AEROSPACE APPLICATIONS, HAVING IMPROVED WEAR RESISTANCE
    Publication number: 20230193950
    Abstract: A plain bearing includes an outer ring having an inner surface and an inner ring having an outer surface in contact with the inner surface of the outer ring. The inner ring is configured to cooperate with the outer ring to permit relative movement, and the inner ring or the outer ring or the inner ring and the outer ring is made of a metal matrix composite material.
    Type: Application
    Filed: November 21, 2022
    Publication date: June 22, 2023
    Inventors: Joanna Stefania DZWONCZYK, Grant James DENNIS, Michael Brett COLTON
  • TRANSMISSION, IN PARTICULAR, A PLANETARY TRANSMISSION
    Publication number: 20220082089
    Abstract: A planetary transmission for a wind turbine includes a bolt having a cylindrical outer surface and a gear having a cylindrical inner surface rotatably supported on the outer surface of the bolt. The cylindrical outer surface of the bolt and the cylindrical inner surface of the gear are configured to function as a plain bearing, and one or both of these surfaces may include a sliding layer formed from a low friction material.
    Type: Application
    Filed: August 18, 2021
    Publication date: March 17, 2022
    Inventors: Joanna Stefania Dzwonczyk, Thilo von Schleinitz