Patents by Inventor Joanna Dzwonczyk

Joanna 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).

  • Lightweight bearing cage for turbine engines and method of forming a lightweight bearing cage
    Patent number: 11009074
    Abstract: A rolling-element bearing cage or a rolling-element bearing cage segment includes a first side ring or a first side ring segment formed from aluminum alloy AA2618, a second side ring or a second side ring segment formed from aluminum alloy AA2618, and at least one bridge formed from aluminum alloy AA2618, the at least one bridge connecting the first side ring to the second side ring or connecting the first side ring segment to the second side ring segment.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: May 18, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Bryan Allison, Joanna Dzwonczyk, Joshua Fitzgerald
  • LIGHTWEIGHT BEARING CAGE FOR TURBINE ENGINES AND METHOD OF FORMING A LIGHTWEIGHT BEARING CAGE
    Publication number: 20210140478
    Abstract: A rolling-element bearing cage or a rolling-element bearing cage segment includes a first side ring or a first side ring segment formed from aluminum alloy AA2618, a second side ring or a second side ring segment formed from aluminum alloy AA2618, and at least one bridge formed from aluminum alloy AA2618, the at least one bridge connecting the first side ring to the second side ring or connecting the first side ring segment to the second side ring segment.
    Type: Application
    Filed: November 11, 2019
    Publication date: May 13, 2021
    Inventors: Bryan Allison, Joanna Dzwonczyk, Joshua Fitzgerald
  • Rolling bearing cage or rolling bearing cage segment, and method for manufacturing a rolling bearing cage or rolling bearing cage segment
    Patent number: 10215234
    Abstract: A rolling-element bearing cage or rolling-element bearing cage segment is formed from aluminum alloy AA6082 and/or AA7020 and may have a tensile strength of at least 350 MPa and/or a yield strength of at least 310 MPa and/or a hardness of at least 100 HBW. Also a method of forming a rolling-element bearing cage or rolling-element bearing cage segment from aluminum alloy AA6082 and/or AA 7020.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: February 26, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Anselme Loemba, Joanna Dzwonczyk, Alfred Weidinger
  • ROLLING BEARING CAGE OR ROLLING BEARING CAGE SEGMENT, AND METHOD FOR MANUFACTURING A ROLLING BEARING CAGE OR ROLLING BEARING CAGE SEGMENT
    Publication number: 20180149199
    Abstract: A rolling-element bearing cage or rolling-element bearing cage segment is formed from aluminum alloy AA6082 and/or AA7020 and may have a tensile strength of at least 350 MPa and/or a yield strength of at least 310 MPa and/or a hardness of at least 100 HBW. Also a method of forming a rolling-element bearing cage or rolling-element bearing cage segment from aluminum alloy AA6082 and/or AA 7020.
    Type: Application
    Filed: July 24, 2015
    Publication date: May 31, 2018
    Inventors: Anselme Loemba, Joanna Dzwonczyk, Alfred Weidinger