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1. 发明申请

US20140190945A1 PLASMA WELDING APPARATUS FOR GUIDE THIMBLE AND GUIDE THIMBLE END PLUG OF NUCLEAR FUEL ASSEMBLY 有权
标题翻译：等离子焊接设备，用于指导导线芯和指导核燃料燃料组件的末端插头
公开(公告)号：US20140190945A1
公开(公告)日：2014-07-10
申请号：US14149102
申请日：2014-01-07
申请人： KEPCO NUCLEAR FUEL CO., LTD.
发明人： Ju Young LEE , Chang Hwan Hwang , Hung Soon Chang , Soon Ki Guk , Tae Hyung Na , Yeong Seon Oh
IPC分类号： G21C21/00 , B23K10/02
CPC分类号： G21C21/00 , B23K10/006 , B23K10/02 , B23K37/0211 , G21C3/334 , Y02E30/40
摘要： Disclosed is a plasma welding apparatus for a guide thimble and guide thimble end plug of a nuclear fuel assembly, which includes: a welding chamber (100) includes an end-plug inserting part (110) into which the end plug (10) is inserted, a guide-thimble inserting part (120) which is provided on the same axis as the end-plug inserting part (110) and into which the guide thimble (20) is inserted and fixed, a torch assembling part (130) to which a plasma welding torch (131) is assembled so as to make a right angle with the end-plug inserting part (110) and the guide-thimble inserting part (120), and argon inflow and outflow ports (141, 142) through which argon is supplied or discharged; an end-plug transfer unit (210) supplying the end plug (10) to the end-plug inserting part (110); and an guide-thimble transfer unit (220) transferring the guide thimble (20) to the guide-thimble inserting part (120).
摘要翻译：公开了一种用于核燃料组件的导向套管和导向套管端塞的等离子体焊接装置，其包括：焊接室（100），包括端塞插入部分（110），端塞（10）插入其中，引导套管插入部分（120），其设置在与所述端塞插入部分（110）相同的轴线上并且所述引导套管（20）被插入和固定到所述引导套管插入部分中;焊枪组装部分，等离子焊枪（131）组装成与端塞插入部分（110）和引导套筒插入部分（120）成直角，以及氩流入和流出端口（141,142），通过该等离子焊枪供应或排放氩气; 将端塞（10）供给到端塞插入部（110）的端塞传送单元（210）; 以及将导向套管（20）传送到导向套管插入部（120）的引导套管传送单元（220）。

2. 发明授权

US09659675B2 Fuel rod auto-loading apparatus for nuclear fuel assembly 有权
公开(公告)号：US09659675B2
公开(公告)日：2017-05-23
申请号：US14149872
申请日：2014-01-08
申请人： KEPCO NUCLEAR FUEL CO., LTD.
发明人： Ju Young Lee , Chang Hwan Hwang , Hung Soon Chang , Soon Ki Guk , Yeon Doo Jung , Ui Jea Lee
IPC分类号： G21C3/334 , G21C21/00 , G21C19/32
CPC分类号： G21C19/32 , G21C3/334 , G21C21/00 , Y02E30/40
摘要： Disclosed is a fuel rod auto-loading apparatus for a nuclear fuel assembly, which disposes fuel rods in a fuel rod case in a bundle to assemble the fuel rods into the nuclear fuel assembly. The fuel rod auto-loading apparatus includes a fuel rod storage unit having a plurality of stacked racks for fuel rods, a fuel rod loading unit raised/lowered to the racks and transferring the fuel rods, a feeding unit placing the fuel rods in rows and loading the fuel rods into the fuel rod case, a fuel rod unloading unit selectively unloading some of the fuel rods stored in the fuel rod storage unit and transferring the fuel rods to the feeding unit, a fuel rod assembly lifter which is disposed parallel to the feeding unit, and a controller controlling driving of the fuel rod loading unit, the feeding unit, and the fuel rod unloading unit.

3. 发明授权

US09646728B2 Plasma welding apparatus for guide thimble and guide thimble end plug of nuclear fuel assembly 有权
公开(公告)号：US09646728B2
公开(公告)日：2017-05-09
申请号：US14149102
申请日：2014-01-07
申请人： KEPCO NUCLEAR FUEL CO., LTD.
发明人： Ju Young Lee , Chang Hwan Hwang , Hung Soon Chang , Soon Ki Guk , Tae Hyung Na , Yeong Seon Oh
IPC分类号： B23K10/00 , G21C21/00 , B23K10/02 , B23K37/02 , G21C3/334
CPC分类号： G21C21/00 , B23K10/006 , B23K10/02 , B23K37/0211 , G21C3/334 , Y02E30/40
摘要： Disclosed is a plasma welding apparatus for a guide thimble and guide thimble end plug of a nuclear fuel assembly, which includes: a welding chamber (100) includes an end-plug inserting part (110) into which the end plug (10) is inserted, a guide-thimble inserting part (120) which is provided on the same axis as the end-plug inserting part (110) and into which the guide thimble (20) is inserted and fixed, a torch assembling part (130) to which a plasma welding torch (131) is assembled so as to make a right angle with the end-plug inserting part (110) and the guide-thimble inserting part (120), and argon inflow and outflow ports (141, 142) through which argon is supplied or discharged; an end-plug transfer unit (210) supplying the end plug (10) to the end-plug inserting part (110); and an guide-thimble transfer unit (220) transferring the guide thimble (20) to the guide-thimble inserting part (120).

4. 发明授权

US09412475B2 Apparatus for transferring a fuel rod for testing 有权
标题翻译：用于传送燃料棒进行测试的装置
公开(公告)号：US09412475B2
公开(公告)日：2016-08-09
申请号：US14149879
申请日：2014-01-08
申请人： KEPCO NUCLEAR FUEL CO., LTD.
发明人： Ju Young Lee , Chang Hwan Hwang , Hung Soon Chang , Soon Ki Guk , Tae Hyung Na , Ui Jea Lee
IPC分类号： G21C17/07 , G21C17/00
CPC分类号： G21C17/002 , G21C17/07
摘要： Disclosed is a fuel rod testing apparatus for a nuclear fuel assembly. The fuel rod testing apparatus includes a helium leakage testing chamber having a gate so that a fuel rod is horizontally loaded/unloaded and testing whether or not helium leaks from the fuel rod, a fuel rod upward/downward transfer unit that has first and second transfer sections located in front of the gate and horizontally installed apart from each other in order to guide the fuel rod loaded into or unloaded from the helium leakage testing chamber, and that vertically drives the first and second transfer sections, and a main frame that has a upper transfer section disposed in parallel in a lengthwise direction of the fuel rod upward/downward transfer unit and having an inclined face and a lower transfer section installed at a lower portion of the upper transfer section and having an inclined face.
摘要翻译：公开了一种用于核燃料组件的燃料棒测试装置。燃料棒测试装置包括具有门的氦泄漏测试室，使得燃料棒水平地装载/卸载并测试氦是否从燃料棒泄漏;具有第一和第二转移的燃料棒向上/向下转移单元位于门的前部并且水平地彼此分开安装，以便引导装载到氦泄漏测试室中或从氦泄漏测试室卸载的燃料棒，以及垂直地驱动第一和第二转移段，以及主框架，其具有上转印部分沿着燃料棒上/下转印单元的长度方向平行布置，并且具有安装在上转印部分的下部并具有倾斜面的倾斜面和下转印部分。

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