公开(公告)号：US10304571B2

公开(公告)日：2019-05-28

申请号：US14717830

申请日：2015-05-20

申请人： Kepco Engineering & Construction Company, Inc.

发明人： Jin Seok Park ,  Yong Tae Jang ,  Myoung Goo Lee ,  Sang Gyoon Chang ,  Dae Hee Lee

IPC分类号： G21C7/12 ,  G21C7/14

摘要： A magnetic jack type in-vessel control element drive mechanism includes: an upper coil assembly which includes a first sleeve configured to coaxially wrap a control element drive shaft, a first coil, and a first coil housing which is externally coupled to the first sleeve; a lower coil assembly which includes a second sleeve configured to coaxially wrap the control element drive shaft, a second coil, and a second coil housing which is externally coupled to the second sleeve, wherein the lower coil assembly is located under the upper coil assembly, a connecting member which connects the upper coil assembly and the lower coil assembly; a support tube which extends downward from the lower coil assembly; a motor assembly which is located between the control element drive shaft, and the first and second sleeves; and an anti-separation cap which prevents separation of the motor assembly.

公开(公告)号：US09711245B2

公开(公告)日：2017-07-18

申请号：US14717879

申请日：2015-05-20

申请人： Kepco Engineering & Construction Company, Inc.

发明人： Jin Seok Park ,  Yong Tae Jang ,  Myoung Goo Lee ,  Sang Gyoon Chang ,  Dae Hee Lee

IPC分类号： H02K41/03 ,  G21C7/14

CPC分类号： G21C7/14 ,  H02K41/03 ,  H02K41/031 ,  Y02E30/39

摘要： A magnetic jack type control element drive mechanism for precision position control of a control element assembly, satisfies the following conditions: D1=D2=P+D5; D3=P×2; D4=D3×(N−½), (N is an arbitrary natural number), wherein D1 represents a lift gap of the upper motor assembly; D2 represents a lift gap of the lower motor assembly; D3 represents a space width between tips of adjacent teeth of the drive shaft; D4 represents a gap between an upper latch and a lower latch; P represents pitch that is a distance of ascent or descent of the drive shaft; and D5 represents a margin which is a separation space between the teeth and the upper latch or the lower latch when the upper latch or the lower latch is inserted into the teeth of the drive shaft.

公开(公告)号：US20160141945A1

公开(公告)日：2016-05-19

申请号：US14717879

申请日：2015-05-20

申请人： Kepco Engineering & Construction Company, Inc.

发明人： Jin Seok Park ,  Yong Tae Jang ,  Myoung Goo Lee ,  Sang Gyoon Chang ,  Dae Hee Lee

IPC分类号： H02K41/03 ,  G21C7/14

CPC分类号： G21C7/14 ,  H02K41/03 ,  H02K41/031 ,  Y02E30/39

摘要： A magnetic jack type control element drive mechanism for precision position control of a control element assembly, satisfies the following conditions: D1=D2=P+D5; D3=P×2; D4=D3×(N−½), (N is an arbitrary natural number), wherein D1 represents a lift gap of the upper motor assembly; D2 represents a lift gap of the lower motor assembly; D3 represents a space width between tips of adjacent teeth of the drive shaft; D4 represents a gap between an upper latch and a lower latch; P represents pitch that is a distance of ascent or descent of the drive shaft; and D5 represents a margin which is a separation space between the teeth and the upper latch or the lower latch when the upper latch or the lower latch is inserted into the teeth of the drive shaft.

摘要翻译： 一种用于控制元件组件精密位置控制的磁性千斤顶式控制元件驱动机构，满足以下条件：D1 = D2 = P + D5; D3 = P×2; D4 = D3×（N-1/2），（N是任意自然数），其中D1表示上部马达组件的升程间隙; D2表示下部马达组件的升程间隙; D3表示驱动轴的相邻齿的尖端之间的间隔宽度; D4表示上部闩锁和下部闩锁之间的间隙; P表示作为驱动轴上升或下降距离的间距; D5表示当上部闩锁或下部闩锁插入驱动轴的齿时，齿与上部闩锁或下部闩锁之间的间隔空间。

公开(公告)号：US11569002B2

公开(公告)日：2023-01-31

申请号：US16997434

申请日：2020-08-19

申请人： KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.

发明人： Jin Seok Park ,  Soung Kyu Lee ,  Sung Hwan Kim ,  Kwang Jeok Ko ,  Min Gyu Kim ,  Yeon Ho Cho

IPC分类号： G21F5/00 ,  G21F5/06 ,  G21F5/12 ,  G21F5/008

摘要： The present disclosure relates to a transfer cask for transferring spent nuclear fuel. The transfer cask transfers a canister storing the spent nuclear fuel and includes a transfer container having a space for accommodating the canister; a neutron shielding body arranged on an outer periphery of the transfer container to shield neutrons; and an opening/closing portion that is coupled to a lower portion of the transfer container and opens and closes the lower portion of the transfer container, wherein the opening and closing portion, a support portion supporting the transfer container and having a first through hole in communication with the transfer container; a lid assembly having a first lid portion and a second lid portion that open and close the first through hole; and a base plate on which the support portion is seated and a second through hole through which the canister is drawn out is formed.

公开(公告)号：US11488732B2

公开(公告)日：2022-11-01

申请号：US15933758

申请日：2018-03-23

申请人： KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC.

发明人： Jin Seok Park ,  Myoung Goo Lee ,  Yeon Ho Cho ,  Hyunmin Kim ,  Cheol Soo Maeng ,  Hyeong Heon Kim ,  Byung Jin Lee ,  Chang Kyu Chung

IPC分类号： G21C9/027 ,  G21C7/22 ,  G21C9/02 ,  G21C15/18 ,  G21C5/02 ,  H01F7/08

摘要： Provided is a secondary shutdown structure of a nuclear reactor, which uses sliding doors, and more particularly, to a secondary shutdown structure of a nuclear reactor, which uses sliding doors and is capable of shutting down a nuclear reactor reliably with a simple structure without using a boric acid solution.

公开(公告)号：US10580538B2

公开(公告)日：2020-03-03

申请号：US15198379

申请日：2016-06-30

申请人： KEPCO ENGINEERING & CONSTRUCTION COMPANY, INC. ,  KNU-INDUSTRY COOPERATION FOUNDATION

发明人： In Bae Chang ,  Dae Hee Lee ,  Sang Gyoon Jang ,  Myoung Goo Lee ,  Jin Seok Park ,  Yong Tae Jang ,  Chang Kyu Chung ,  Cheol Soo Maeng

IPC分类号： G21C7/06 ,  G21C7/08

摘要： An apparatus for detecting a position of a control rod includes a control rod driving shaft having an outer circumferential surface on which position information is marked, a mirror configured to reflect the position information, and a detector configured to detect a position of the control rod driving shaft from the position information reflected from the mirror, when the control rod driving shaft moves vertically.

公开(公告)号：US20150348653A1

公开(公告)日：2015-12-03

申请号：US14717830

申请日：2015-05-20

申请人： Kepco Engineering & Construction Company, Inc.

发明人： Jin Seok Park ,  Yong Tae Jang ,  Myoung Goo Lee ,  Sang Gyoon Chang ,  Dae Hee Lee

IPC分类号： G21C7/12

CPC分类号： G21C7/12 ,  Y02E30/39

摘要： A magnetic jack type in-vessel control element drive mechanism includes: an upper coil assembly which includes a first sleeve configured to coaxially wrap a control element drive shaft, a first coil, and a first coil housing which is externally coupled to the first sleeve; a lower coil assembly which includes a second sleeve configured to coaxially wrap the control element drive shaft, a second coil, and a second coil housing which is externally coupled to the second sleeve, wherein the lower coil assembly is located under the upper coil assembly, a connecting member which connects the upper coil assembly and the lower coil assembly; a support tube which extends downward from the lower coil assembly; a motor assembly which is located between the control element drive shaft, and the first and second sleeves; and an anti-separation cap which prevents separation of the motor assembly.

摘要翻译： 一种磁性千斤顶式的容器内控制元件驱动机构包括：上部线圈组件，其包括构造成同轴地缠绕控制元件驱动轴的第一套筒，第一线圈和外部联接到第一套筒的第一线圈壳体; 下部线圈组件，其包括构造成同轴地缠绕控制元件驱动轴的第二套筒，第二线圈和外部联接到第二套筒的第二线圈壳体，其中下部线圈组件位于上部线圈组件下方， 连接上部线圈组件和下部线圈组件的连接部件; 从下线圈组件向下延伸的支撑管; 位于控制元件驱动轴与第一和第二套筒之间的马达组件; 以及防止电动机组件分离的防分离盖。