Patents by Inventor Hong Young CHUN

Hong Young CHUN 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).

  • Structure for multi-stage sealing of turbine
    Patent number: 10837301
    Abstract: Disclosed herein is a structure for multi-stage sealing of a turbine, including: an annular multi-stage sealing part disposed on an inner circumferential surface of a fixed body and having different heights of at least two stages; a barrier unit disposed at a central side of the multi-stage sealing part on the inner circumferential surface of the fixed body; and an annular multi-stage tooth part disposed to face the multi-stage sealing part or the barrier unit over an outer circumferential surface of a rotating body and provided with a plurality of teeth, having a relative height corresponding to different heights of the multi-stage sealing part or the barrier unit at an interval between the fixed body and the rotating body.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: November 17, 2020
    Assignee: Doosan Heavy Industries Construction Co., Ltd
    Inventor: Hong Young Chun
  • STRUCTURE FOR MULTI-STAGE SEALING OF TURBINE
    Publication number: 20170198597
    Abstract: Disclosed herein is a structure for multi-stage sealing of a turbine, including: an annular multi-stage sealing part disposed on an inner circumferential surface of a fixed body and having different heights of at least two stages; a barrier unit disposed at a central side of the multi-stage sealing part on the inner circumferential surface of the fixed body; and an annular multi-stage tooth part disposed to face the multi-stage sealing part or the barrier unit over an outer circumferential surface of a rotating body and provided with a plurality of teeth, having a relative height corresponding to different heights of the multi-stage sealing part or the barrier unit at an interval between the fixed body and the rotating body.
    Type: Application
    Filed: December 21, 2016
    Publication date: July 13, 2017
    Inventor: Hong Young CHUN