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    • 2. 发明申请
    • Cyclone dust collecting apparatus
    • 旋风除尘装置
    • US20060272299A1
    • 2006-12-07
    • US11317619
    • 2005-12-23
    • Cheol-ho Choi
    • Cheol-ho Choi
    • B01D50/00
    • A47L9/1608A47L9/122A47L9/165A47L9/1658A47L9/1683
    • A cyclone dust collecting apparatus according to an embodiment of the present invention, comprises a housing centrifugally separating and collecting dust from drawn-in air and discharging cleaned air, a housing cover connected to an upper part of the housing, a discharge cover openably connected to a lower part of the housing, and a filter assembly. The housing includes an air inlet, a cyclone unit centrifugally separating dust from external air drawn in through the air inlet, an inflow guide pipe having a substantially curved shape and guiding the whole air drawn in through the air inlet to the cyclone unit, a dust collection unit formed at one side of the cyclone unit to collect the separated dust, and an air outlet where the dust-separated air is discharged.
    • 根据本发明的一个实施例的旋风除尘装置包括:壳体,其从抽吸空气中离心分离和收集灰尘并排出净化空气;壳体盖,连接到壳体的上部;排出盖,可开启地连接到 壳体的下部和过滤器组件。 壳体包括空气入口,将通过空气入口吸入的外部空气离心分离的旋风单元,具有基本弯曲形状的流入导管,并将通过空气入口吸入的整个空气引导到旋风单元,灰尘 收集单元形成在旋风单元的一侧以收集分离的灰尘,以及排出空气的空气出口。
    • 7. 发明授权
    • Method for manufacturing multi-layer printed circuit board
    • 制造多层印刷电路板的方法
    • US09060458B2
    • 2015-06-16
    • US13137352
    • 2011-08-08
    • Yoong OhCheol Ho Choi
    • Yoong OhCheol Ho Choi
    • H05K3/02H05K3/10H05K3/00H05K1/00H05K1/03H05K3/46
    • H05K3/4652H05K2203/0733H05K2203/1189Y10T29/49155
    • A method for manufacturing a multi-layer printed circuit board includes: forming first bumps on one surface of a first copper layer at a predetermined interval; providing, on the first copper layer, an insulating layer through which the first bumps are penetrating; stacking a second copper layer on a top of the insulating layer; forming circuits by patterning the first copper layer and the second copper layer; laminating insulating films on top and bottom surfaces of the insulating layer on which the circuits have been formed; forming second bumps on one surface of a third copper layer and of a fourth copper layer at a predetermined interval; and stacking the third copper layer and fourth copper layer, provided with the second bumps, on the top and bottom surfaces of the insulating films.
    • 制造多层印刷电路板的方法包括:以预定间隔在第一铜层的一个表面上形成第一凸块; 在所述第一铜层上提供绝缘层,所述第一凸块穿过所述绝缘层; 在绝缘层的顶部堆叠第二铜层; 通过图案化第一铜层和第二铜层来形成电路; 在其上形成有电路的绝缘层的顶表面和底表面上层压绝缘膜; 在第三铜层和第四铜层的一个表面上以预定间隔形成第二凸起; 并且在绝缘膜的顶表面和底表面上堆叠设置有第二凸起的第三铜层和第四铜层。
    • 8. 发明授权
    • Machine and method for grinding spacer grid of nuclear fuel assembly
    • 用于研磨核燃料组件的间隔栅格的机器和方法
    • US08489222B2
    • 2013-07-16
    • US12857530
    • 2010-08-16
    • Chang Kug KimDeuk Yeon KimJung Hwan HongHang Rae KimCheol Ho Choi
    • Chang Kug KimDeuk Yeon KimJung Hwan HongHang Rae KimCheol Ho Choi
    • G06F19/00
    • B24B51/00B24B1/00B24B27/0076B24B49/02B25J11/0065G21C3/3424
    • A machine and a method for grinding a spacer grid of a nuclear fuel assembly. The machine includes a spacer grid holding unit, a first rectangular coordinates robot for grinding an outer surface of the spacer grid, a second rectangular coordinates robot for grinding a corner of the spacer grid, and a control unit. The spacer grid holding unit includes a holding jig onto which the spacer grid is seated and held, and a rotary index table which is coupled to the holding jig to rotate the holding jig. The first and second rectangular coordinates robots are provided at predetermined positions adjacent to the spacer grid holding unit. The control unit controls the spacer grid holding unit, the first and second rectangular coordinates robots and all programs required to conduct the operation for grinding the spacer grid.
    • 一种用于研磨核燃料组件的间隔栅格的机器和方法。 该机器包括间隔栅格保持单元,用于研磨间隔栅格的外表面的第一直角坐标机器人,用于研磨间隔栅格的角部的第二直角坐标机器人和控制单元。 间隔栅格保持单元包括保持夹具,间隔栅格被放置在其上并保持在该保持夹具上;旋转分度台,其连接到保持夹具以旋转保持夹具。 第一和第二直角坐标机器人设置在与间隔栅格保持单元相邻的预定位置处。 控制单元控制间隔栅格保持单元,第一和第二直角坐标机器人以及进行用于研磨间隔栅格的操作所需的所有程序。