Patents by Inventor Zin Min Aye

Zin Min Aye 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).

  • Self-centering labyrinth seal
    Patent number: 9903477
    Abstract: An annular seal may include a seal body configured for disposing around a rotor, a plurality of grooves and a plurality of projections formed on an inner circumferential surface of the seal body, and a plurality of dams circumferentially disposed on a first surface of the seal body. The first surface may extend radially from the inner circumferential surface of the seal body. The plurality of dams may be configured to increase a pressure of a working fluid contacting the plurality of dams such that the increase in the pressure may center the annular seal about the rotor.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: February 27, 2018
    Assignee: Dresser-Rand Company
    Inventors: Andrew J. Ranz, Zin Min Aye, Celeste To, Phoebe DeGroot
  • SELF-CENTERING LABYRINTH SEAL
    Publication number: 20160169394
    Abstract: An annular seal may include a seal body configured for disposing around a rotor, a plurality of grooves and a plurality of projections formed on an inner circumferential surface of the seal body, and a plurality of dams circumferentially disposed on a first surface of the seal body. The first surface may extend radially from the inner circumferential surface of the seal body. The plurality of dams may be configured to increase a pressure of a working fluid contacting the plurality of dams such that the increase in the pressure may center the annular seal about the rotor.
    Type: Application
    Filed: July 23, 2014
    Publication date: June 16, 2016
    Applicant: DRESSER-RAND COMPANY
    Inventors: Andrew J. Ranz, Zin Min Aye, Celeste To, Phoebe DeGroot