Patents by Inventor Robert J. Sustarsic

Robert J. Sustarsic 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).

  • Segmented seal portion and assembly
    Patent number: 7770895
    Abstract: A segment of a seal assembly for sealing a higher pressure area from a lower pressure area is disclosed. The segment comprises a radial external surface, a radial internal surface for sealing against a rotating member, a transverse groove for maintaining a pressure around portions of the segment, and one or more pads including a scooping groove. The scooping groove is positioned at or in proximity to an edge of the transverse groove and provides for a transition flow between the one or more pads and the transverse groove.
    Type: Grant
    Filed: May 1, 2007
    Date of Patent: August 10, 2010
    Assignee: Eaton Corporation
    Inventors: Xiaoqing Zheng, Edward N. Ruggeri, Charles J. Alten, Robert J. Sustarsic
  • SEGMENTED SEAL PORTION AND ASSEMBLY
    Publication number: 20080272552
    Abstract: A segment of a seal assembly for sealing a higher pressure area from a lower pressure area is disclosed. The segment comprises a radial external surface, a radial internal surface for sealing against a rotating member, a transverse groove for maintaining a pressure around portions of the segment, and one or more pads including a scooping groove. The scooping groove is positioned at or in proximity to an edge of the transverse groove and provides for a transition flow between the one or more pads and the transverse groove.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 6, 2008
    Applicant: EATON CORPORATION
    Inventors: Xiaoqing Zheng, Edward N. Ruggeri, Charles J. Alten, Robert J. Sustarsic