Patents by Inventor Woo Cheol CHOI

Woo Cheol CHOI 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).

  • Cooling duct assembly for control element drive mechanism
    Patent number: 9583226
    Abstract: The cooling duct assembly for a control element drive mechanism (CEDM) includes a skirt that is combined on a circumference of a reactor head and has first air channels in an inner side thereof; a lower duct that is combined with an upper side of the skirt, has second air channels that are connected to the first air channels, and is disposed to surround a circumference of the CEDM; and an upper duct, an edge of which is combined with the cooling air handling device, and other edge of which is detachably combined with the lower duct, wherein air that cools the CEDM is discharged to the outside after sequentially passing the first air channels, the second air channels, the upper duct, and the cooling air handling device, and the upper duct separated from the lower duct is lifted together with the cooling air handling device.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: February 28, 2017
    Assignee: KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.
    Inventors: Myoung Goo Lee, Woo Cheol Choi, Yeon Ho Cho
  • COOLING DUCT ASSEMBLY FOR CONTROL ELEMENT DRIVE MECHANISM
    Publication number: 20150016582
    Abstract: The cooling duct assembly for a control element drive mechanism (CEDM) includes a skirt that is combined on a circumference of a reactor head and has first air channels in an inner side thereof; a lower duct that is combined with an upper side of the skirt, has second air channels that are connected to the first air channels, and is disposed to surround a circumference of the CEDM; and an upper duct, an edge of which is combined with the cooling air handling device, and other edge of which is detachably combined with the lower duct, wherein air that cools the CEDM is discharged to the outside after sequentially passing the first air channels, the second air channels, the upper duct, and the cooling air handling device, and the upper duct separated from the lower duct is lifted together with the cooling air handling device.
    Type: Application
    Filed: July 2, 2014
    Publication date: January 15, 2015
    Inventors: Myoung Goo LEE, Woo Cheol CHOI, Yeon Ho CHO