Patents by Inventor Chris Witkowski

Chris Witkowski 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).

  • Baffle element, diffuser plate, and seal system incorporating a baffle element and a diffuser plate
    Patent number: 11892006
    Abstract: A seal system for a bearing chamber of a turbomachine includes a baffle element encircling the axis of the machine. The baffle element is formed with front surface including a plurality of gutter surfaces which are angularly spaced about the rotational axis. The seal system can thus be mounted in any one of a plurality of orientations with respect to the direction of gravity, such that in any of the orientations one of the gutter surfaces is directed downwardly.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: February 6, 2024
    Assignee: CUMMINS LIMITED
    Inventors: Yao Lu, Chris Witkowski, Matthew Purdey
  • BAFFLE ELEMENT, DIFFUSER PLATE, AND SEAL SYSTEM INCORPORATING A BAFFLE ELEMENT AND A DIFFUSER PLATE
    Publication number: 20220333609
    Abstract: A seal system for a bearing chamber of a turbomachine includes a baffle element encircling the axis of the machine. The baffle element is formed with front surface including a plurality of gutter surfaces which are angularly spaced about the rotational axis. The seal system can thus be mounted in any one of a plurality of orientations with respect to the direction of gravity, such that in any of the orientations one of the gutter surfaces is directed downwardly.
    Type: Application
    Filed: August 28, 2019
    Publication date: October 20, 2022
    Applicant: Cummins Limited
    Inventors: Yao Lu, Chris Witkowski, Matthew Purdey