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    PREVENTIVE MAINTENANCE/REPAIR DEVICE AND PREVENTIVE MAINTENANCE/REPAIR METHOD FOR CYLINDRICAL STRUCTURE
    2.
    发明申请
    PREVENTIVE MAINTENANCE/REPAIR DEVICE AND PREVENTIVE MAINTENANCE/REPAIR METHOD FOR CYLINDRICAL STRUCTURE 审中-公开
    预防性维护/维修设备和预防性维护/缸体结构维修方法

    公开(公告)号：US20100150296A1

    公开(公告)日：2010-06-17

    申请号：US12600774

    申请日：2008-05-22

    申请人： Yutaka Togasawa ,  Mitsuaki Shimamura ,  Hisashi Hozumi ,  Yasuhiro Yuguchi

    发明人： Yutaka Togasawa ,  Mitsuaki Shimamura ,  Hisashi Hozumi ,  Yasuhiro Yuguchi

    IPC分类号： G21C19/02

    CPC分类号： G21C19/207 ,  G21C17/017

    摘要： A preventive maintenance/repair device 10 of the present invention includes: a device body 11, and holding mechanisms 13a and 13b connected to the device body 11, the holding mechanisms 13a and 13b being configured to hold the device body 11 on an outer circumferential surface of a cylindrical structure 19. Further, the device body 11 is equipped with a traveling and driving part configured to be circumferentially movable along the outer circumferential surface of the cylindrical structure 19. Furthermore, each of the holding mechanisms 13a and 13b is equipped with a maintenance/repair mechanism 16 configured to maintain and repair the cylindrical structure 19.

    摘要翻译： 本发明的预防性维护/修理装置10包括：装置主体11和与装置主体11连接的保持机构13a，13b，保持机构13a，13b构成为将装置主体11保持在外周面 另外，装置主体11配备有沿圆筒状结构体19的外周面周向移动的行进驱动部。另外，保持机构13a，13b中的每一个配备有 维修/修理机构16构造成维持和修理圆柱形结构19。

    Underwater inspecting and repairing system
    3.
    发明授权
    Underwater inspecting and repairing system 有权
    水下检修系统

    公开(公告)号：US07303360B2

    公开(公告)日：2007-12-04

    申请号：US11674225

    申请日：2007-02-13

    申请人： Tetsuro Nakagawa ,  Yasuhiro Yuguchi ,  Koichi Soma ,  Hiroshi Iimori ,  Mitsuaki Shimamura

    发明人： Tetsuro Nakagawa ,  Yasuhiro Yuguchi ,  Koichi Soma ,  Hiroshi Iimori ,  Mitsuaki Shimamura

    IPC分类号： B63C11/10

    CPC分类号： B63C11/52 ,  B63C11/42 ,  G21C17/01 ,  G21C17/013 ,  G21Y2002/207 ,  G21Y2002/304 ,  G21Y2002/40 ,  G21Y2004/30 ,  G21Y2004/501 ,  G21Y2004/504

    摘要： Disclosed is a system that performs inspection and repair of an underwater structure, specifically core internals in a pressure vessel. An underwater vehicle is provided with a drive wheel, a contact force generating unit (e.g., thruster) that presses the drive wheel to a vertical wall of the underwater structure, an ascending force control unit (e.g., ballast) that controls the buoyancy of the vehicle, a guide roller that engages with and is pressed against an undersurface of the underwater structure by the ascending force controlled by the ascending force control unit. The underwater vehicle is appropriately positioned with respect to the vertical direction by the guide roller. The drive wheel is driven for rotation so that the underwater vehicle runs horizontally along the vertical wall to reach the inspection or repair site, where the inspection or repair is carried out by work tool mounted to the underwater vehicle.

    摘要翻译： 公开了一种执行水下结构的检查和修理，特别是压力容器中的核心内部件的系统。 水下车辆设有驱动轮，将驱动轮按压到水下结构的垂直壁的接触力产生单元（例如，推进器），控制浮力的上升力控制单元（例如镇流器） 导向辊，通过上升力控制单元控制的上升力与水下结构的下表面接合并压靠在其上。 水下车辆通过导辊相对于垂直方向适当地定位。 驱动轮被驱动旋转，使得水下车辆沿垂直壁水平移动，到达检查或修理现场，在那里通过安装在水下车辆上的工具进行检查或修理。

    IN-REACTOR PIPING WORK DEVICE AND IN-REACTOR PIPING WORK METHOD
    6.
    发明申请
    IN-REACTOR PIPING WORK DEVICE AND IN-REACTOR PIPING WORK METHOD 审中-公开
    反应器管道工作装置和反应器管道工作方法

    公开(公告)号：US20120269311A1

    公开(公告)日：2012-10-25

    申请号：US13442243

    申请日：2012-04-09

    申请人： Yutaka TOGASAWA ,  Mitsuaki Shimamura ,  Hisashi Hozumi ,  Kenji Matsuzaki ,  Shinji Toki ,  Yasuhiro Yuguchi

    发明人： Yutaka TOGASAWA ,  Mitsuaki Shimamura ,  Hisashi Hozumi ,  Kenji Matsuzaki ,  Shinji Toki ,  Yasuhiro Yuguchi

    IPC分类号： G21C19/00 ,  G21C17/00

    CPC分类号： G21C17/017 ,  G21C15/25 ,  G21C19/02 ,  G21C19/207

    摘要： According to an embodiment, a horizontally moving stage is mounted on a cylindrical structure within a reactor pressure vessel, travels horizontally along the surface of the cylindrical structure by wheels, and is positioned above an in-reactor pipe by the operation of the horizontally moving stage. A hollow mast is carried by the horizontally moving stage, and is expandable and contractible in a vertical attitude. When the mast is in the vertical attitude, a probe is movable within the mast and performs work in the proximity to the inner surface of the in-reactor pipe. A cable passes through the mast to be connected to the probe.

    摘要翻译： 根据实施例，水平移动台安装在反应堆压力容器内的圆柱形结构上，通过轮沿着圆柱形结构的表面水平移动，并且通过水平移动台的操作而位于反应器内管 。 空心桅杆由水平移动的台架承载，并且以垂直姿态可展开和收缩。 当桅杆处于垂直姿态时，探头可在桅杆内移动，并在反应器管内表面附近进行作业。 电缆通过桅杆连接到探头。

    LASER WELDING APPRATUS AND LASER WELDING METHOD
    7.
    发明申请
    LASER WELDING APPRATUS AND LASER WELDING METHOD 有权
    激光焊接设备和激光焊接方法

    公开(公告)号：US20110024402A1

    公开(公告)日：2011-02-03

    申请号：US12903855

    申请日：2010-10-13

    申请人： Hisashi HOZUMI ,  Yutaka Togasawa ,  Kenji Matsuzaki ,  Mitsuaki Shimamura ,  Satoshi Okada ,  Wataru Kono ,  Masaki Yoda

    发明人： Hisashi HOZUMI ,  Yutaka Togasawa ,  Kenji Matsuzaki ,  Mitsuaki Shimamura ,  Satoshi Okada ,  Wataru Kono ,  Masaki Yoda

    IPC分类号： B23K26/04

    CPC分类号： B23K26/037 ,  B23K26/032 ,  B23K26/042 ,  B23K26/1224 ,  B23K26/14 ,  B23K26/1464 ,  B23K26/21 ,  B23K31/125

    摘要： According to one embodiment, a laser welding apparatus has a laser irradiation head that is arranged in an outer frame and is divided inside into a light source side and an irradiation side by a partitioning member. The apparatus also has a gas jet nozzle that is formed so as to irradiate a portion to be welded with the laser light and jet the inert gas to the portion to be welded; and a welding wire feed pipe that sequentially feeds a welding wire. The apparatus also has a welding wire contact mechanism that includes a measuring means for measuring a distance between the extremity of the irradiation side and the extremity of the welding wire, and is formed so that the extremity of the welding wire is brought into contact with and pressed against the portion to be welded by an elastic member.

    摘要翻译： 根据一个实施例，激光焊接装置具有设置在外框中的激光照射头，并且通过分隔构件分割成光源侧和照射侧。 该设备还具有气体喷嘴，其被形成为用激光照射待焊接部分并将惰性气体喷射到待焊接部分; 以及依次供给焊丝的焊丝供给管。 该设备还具有焊丝接触机构，其包括用于测量照射侧的末端与焊丝的末端之间的距离的测量装置，并且形成为使得焊丝的末端与 通过弹性部件压靠待焊接的部分。

    LASER-BASED MAINTENANCE APPARATUS
    8.
    发明申请
    LASER-BASED MAINTENANCE APPARATUS 有权
    基于激光的维护设备

    公开(公告)号：US20100208248A1

    公开(公告)日：2010-08-19

    申请号：US12766475

    申请日：2010-04-23

    申请人： Makoto OCHIAI ,  Takahiro Miura ,  Mitsuaki Shimamura ,  Hidehiko Kuroda ,  Fukashi Osakata ,  Kentaro Tsuchihashi ,  Masahiro Yoshida

    发明人： Makoto OCHIAI ,  Takahiro Miura ,  Mitsuaki Shimamura ,  Hidehiko Kuroda ,  Fukashi Osakata ,  Kentaro Tsuchihashi ,  Masahiro Yoshida

    IPC分类号： G01N21/88

    CPC分类号： G01N29/2418 ,  F22B37/003 ,  G01B11/161 ,  G01B17/02 ,  G01B2290/25 ,  G01N29/043 ,  G01N29/0645 ,  G01N29/07 ,  G01N2291/0258 ,  G01N2291/02854 ,  G01N2291/0421 ,  G01N2291/2636 ,  G21C17/003 ,  G21C17/017

    摘要： A laser maintenance apparatus including a laser system which includes an optical system for emitting, in a first irradiation condition, a generation laser beam for generating an ultrasonic wave in a portion of an object on which maintenance is to be performed, and including a laser source configured to generate and detect a detection laser beam which interacts with the ultrasonic wave generated by the laser light beam in the first condition. The laser maintenance apparatus also includes a light transmitting device for transmitting laser light emitted from the laser system, a laser irradiation device for irradiating laser light transmitted by the light transmitting device to the object portion, and a transporting/scanning mechanism for transporting the light transmitting device and the laser irradiation device to a portion near the object portion, and scanning over an arbitrary range at the object portion.

    摘要翻译： 一种激光维持装置，包括激光系统，该激光系统包括光学系统，用于在第一照射条件下发射用于在要进行维护的物体的一部分中产生超声波的生成激光束，并且包括激光源 被配置为在第一状态下产生和检测与由激光束产生的超声波相互作用的检测激光束。 激光维持装置还包括用于发射从激光系统发射的激光的光发射装置，用于将由光发射装置透射的激光照射到对象部分的激光照射装置，以及用于传输光传输的传送/扫描机构 装置和激光照射装置连接到物体部分附近的部分，并且在对象部分上的任意范围进行扫描。