Patents by Inventor Jangmyong Woo

Jangmyong Woo 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).

  • Apparatus for visually inspecting and removing foreign object in gaps of bundle of heating tubes of upper portion of tube sheet of secondary side of steam generator
    Patent number: 8485139
    Abstract: Provided is an apparatus for inspecting a structure including a heating tube, a tube sheet supporting the heating tube, and a flow distribution baffle, which are installed in a steam generator of a nuclear power plant, and more particularly, an apparatus for visually inspecting and removing a foreign object in gaps of a bundle of heating tubes of an upper portion of a tube sheet of a secondary side of a steam generator, in which a detector is inserted into gaps of a bundle of heating tubes of an upper portion of a secondary side of a steam generator so as to inspect sludge or foreign objects, and a foreign object remover removes foreign objects when foreign objects are discovered in the gaps of the heating tubes.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: July 16, 2013
    Assignee: Korea Plant Service & Engineering Co., Ltd.
    Inventors: Gyungsub Kim, Jangmyong Woo, Sanghoon Choi, Nakjeom Kim, Minsu Park, Dongil Kim
  • Inspecting device including detachable probe
    Patent number: 8424385
    Abstract: An inspecting device including a detachable probe has a link structure, and thus a subject having various diameters is tested. In addition, since various probes are changeably used in a scanner housing, ultrasonic wave testing and eddy current testing are simultaneously performed.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: April 23, 2013
    Assignee: Korea Plant Service & Engineering Co., Ltd
    Inventors: Minsu Park, Jangmyong Woo, Gyungsub Kim, Sanghoon Choi
  • INSPECTING DEVICE INCLUDING DETACHABLE PROBE
    Publication number: 20110030478
    Abstract: An inspecting device including a detachable probe has a link structure, and thus a subject having various diameters is tested. In addition, since various probes are changeably used in a scanner housing, ultrasonic wave testing and eddy current testing are simultaneously performed.
    Type: Application
    Filed: October 8, 2009
    Publication date: February 10, 2011
    Inventors: Minsu Park, Jangmyong Woo, Gyungsub Kim, Sanghoon Choi
  • APPARATUS FOR VISUALLY INSPECTING AND REMOVING FOREIGN OBJECT IN GAPS OF BUNDLE OF HEATING TUBES OF UPPER PORTION OF TUBE SHEET OF SECONDARY SIDE OF STEAM GENERATOR
    Publication number: 20110000643
    Abstract: Provided is an apparatus for inspecting a structure including a heating tube, a tube sheet supporting the heating tube, and a flow distribution baffle, which are installed in a steam generator of a nuclear power plant, and more particularly, an apparatus for visually inspecting and removing a foreign object in gaps of a bundle of heating tubes of an upper portion of a tube sheet of a secondary side of a steam generator, in which a detector is inserted into gaps of a bundle of heating tubes of an upper portion of a secondary side of a steam generator so as to inspect sludge or foreign objects, and a foreign object remover removes foreign objects when foreign objects are discovered in the gaps of the heating tubes.
    Type: Application
    Filed: October 8, 2009
    Publication date: January 6, 2011
    Inventors: Gyungsub Kim, Jangmyong Woo, Sanghoon Choi, Nakjeom Kim, Minsu Park, Dongil Kim