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21. 发明专利

JP2009095851A Method for sealing surface crack 审中-公开
标题翻译：密封表面裂纹的方法
公开(公告)号：JP2009095851A
公开(公告)日：2009-05-07
申请号：JP2007269128
申请日：2007-10-16
申请人： Toshiba Corp , 株式会社東芝
发明人： TAMURA MASAKI , MAKINO YOSHINOBU , KONO WATARU , SHIIHARA KATSUNORI , TANAKA YOSHIMI , YODA MASAKI , HAMAMOTO YOSHIO , OKADA SATOSHI , KATO HIROMI
IPC分类号： B23K26/34 , B23K26/067 , B23K26/08 , B23K26/20 , G21C19/02
CPC分类号： B23K26/34 , B23K26/0604 , B23K26/0608 , B23K26/067 , B23K35/0255 , B23K35/0261 , B23K35/0272 , B23P6/04 , G21C19/02
摘要： PROBLEM TO BE SOLVED: To well seal surface cracks without remaining pits or others even though water, oxides or others are mixed into the inside of the surface cracks. SOLUTION: A method for sealing surface cracks includes a step of applying a heating laser beam for irradiating the heating laser beam L1 to the area where cracks c, d are generated in the member a to heat the same to the temperature lower than the melting temperature of the member and a step of applying a welding laser beam for heating the member to the temperature higher than the melting temperature of the member and sealing the opening portions of the surface cracks by irradiating the welding laser beam L2 to the area where cracks are generated in the member following the heating laser beam L1. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使水，氧化物等混入到表面裂纹的内部，也可以很好地密封表面裂缝，而不会留下凹坑或其他凹坑。解决方案：用于密封表面裂纹的方法包括将加热激光束照射到部件a中产生裂纹c，d的区域加热至低于构件的熔融温度和将构件加热到高于构件的熔融温度的温度的焊接激光束的步骤，并且通过将焊接激光束L2照射到这些区域来密封表面裂纹的开口部分，在加热激光束L1之后的构件中产生裂纹。版权所有（C）2009，JPO＆INPIT

22. 发明专利

JP2008272773A Sealing method of surface crack 审中-公开
标题翻译：表面裂纹的密封方法
公开(公告)号：JP2008272773A
公开(公告)日：2008-11-13
申请号：JP2007117048
申请日：2007-04-26
申请人： Toshiba Corp , 株式会社東芝
发明人： TAMURA MASAKI , KONO WATARU , MAKINO YOSHINOBU , SHIIHARA KATSUNORI , TANAKA YOSHIMI , YODA MASAKI
IPC分类号： B23K26/34 , B23K26/14 , B23K101/06 , G21C19/02
摘要： PROBLEM TO BE SOLVED: To provide a sealing method of a surface crack by which a surface crack can be excellently sealed without leaving a pit even if water, oxide and the like are present inside the surface crack. SOLUTION: The sealing method of the surface crack comprises as follows. A high temperature shielding gas 13 heated to ≥200°C is blown off from a heater 5-installed shielding gas feeding pipe 4 to the surface crack 12 in which water and oxide intruded, the part where the surface crack 12 has occurred is heated and the water and oxide inside the surface crack 12 are evaporated, then a welding wire 6 is supplied to a laser beam irradiation part 15, an overlay-welding layer 16 is formed and the surface crack 12 is sealed. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供表面裂纹的密封方法，即使表面裂纹内部存在水，氧化物等，也可以在不留下凹坑的情况下极好地密封表面裂纹。解决方案：表面裂纹的密封方法如下。加热到≥200℃的高温保护气体13从加热器5安装的保护气体供给管4吹出到水和氧化物侵入的表面裂纹12，表面裂纹12发生的部分被加热，表面裂纹12内的水和氧化物蒸发，然后将焊丝6供给到激光束照射部15，形成覆盖层16，并且密封表面裂纹12。版权所有（C）2009，JPO＆INPIT

23. 发明专利

JP2008248270A Laser beam impact hardening treatment method and laser beam impact hardening treatment apparatus 有权
标题翻译：激光束冲击硬化处理方法和激光束冲击硬化处理装置
公开(公告)号：JP2008248270A
公开(公告)日：2008-10-16
申请号：JP2007087616
申请日：2007-03-29
申请人： Toshiba Corp , 株式会社東芝
发明人： SANO YUJI , MUKAI SHIGEHIKO , YODA MASAKI , UEHARA TAKUYA , SAEKI RIYOUICHI
IPC分类号： C21D1/09
摘要： PROBLEM TO BE SOLVED: To enable treating of a laser beam peening at high velocity to a large area with which in a laser beam impact treatment method, the coating on the surface is unnecessary and the raising of hardness and the improving effect of residual stress of a member to be treated, are extended to the deep range. SOLUTION: In this laser beam impact hardening treatment method, the pulse-state laser beam 51 is applied on the surface of the member 41 to be treated, contacted with liquid 22 through the liquid 22 to perform the surface treatment of the member 41 to be treated. The emitting spot of the laser beam formed with one pulse on the surface of the member 41 to be treated, are constituted with a plurality of small ranges having the same shape and arranged in the same intervals, The shape of respective small range can be obtained to a slender long-state, round-state or square-state. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了能够以高速度对激光束冲击处理方法的大面积进行激光束喷丸处理，在表面上不需要涂层，并且提高硬度和改善效果要处理的构件的残余应力延伸到深度范围。解决方案：在该激光束冲击硬化处理方法中，将脉冲状态激光束51施加在被处理部件41的表面上，并通过液体22与液体22接触，对该部件进行表面处理 41待处理。在待处理的构件41的表面上形成有一个脉冲的激光束的发射点由具有相同形状并以相同间隔布置的多个小范围构成。可以获得各个小范围的形状到一个细长的长期状态，圆形状态或平方状态。版权所有（C）2009，JPO＆INPIT

24. 发明专利

JP2008238260A Laser surface modification apparatus and method thereof 有权
标题翻译：激光表面改性装置及其方法
公开(公告)号：JP2008238260A
公开(公告)日：2008-10-09
申请号：JP2007086733
申请日：2007-03-29
申请人： Toshiba Corp , 株式会社東芝
发明人： YODA MASAKI , MUKAI SHIGEHIKO , SANO YUJI , SAEKI RIYOUICHI , HIROTA KEIICHI
IPC分类号： B23K26/12 , B23K26/00 , B23K26/16 , C21D1/09 , C21D7/00 , C21D7/06 , C23F4/02
摘要： PROBLEM TO BE SOLVED: To provide a laser surface modification apparatus that prevents attenuation of a laser beam caused by particles or the like in a transparent liquid, then, prevents deterioration in processing performance of a laser beam. SOLUTION: The laser surface modification apparatus irradiates the surface of a workpiece 3 covered with the liquid 6 transparent against a wavelength of a laser beam with a pulsed laser beam 1 and modifies the surface layer of the workpiece 3 by ablation. The apparatus includes: a laser oscillator 12 for generating a pulsed laser beam; a storage tank 14 for storing the liquid 6; a liquid transferring pump 15 with which the liquid 6 is transferred through liquid feed piping 9, and a filter 16 which is interposed in the liquid feed piping 9 and removes particles 7 from the liquid 6; and a laser irradiation device 10 which jets the liquid 6 from which the particles 7 has been removed by the filter 16 to the workpiece 3 coaxially with the pulsed laser beam 1 propagated from the laser oscillator 12. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种防止由透明液体中的颗粒等引起的激光束的衰减的激光表面改性装置，防止激光束的处理性能的劣化。解决方案：激光表面改性装置用脉冲激光束1照射透明的激光束透明的液体6覆盖的工件3的表面，并通过烧蚀来改变工件3的表面层。该装置包括：用于产生脉冲激光束的激光振荡器12; 用于储存液体6的储存箱14; 将液体6通过液体供给配管9传送的液体输送泵15以及设置在液体供给配管9中并从液体6除去微粒7的过滤器16; 以及激光照射装置10，其将从过滤器16除去的颗粒7的液体6喷射到与从激光振荡器12传播的脉冲激光束1同轴的工件3上。（C）2009 ，JPO＆INPIT

25. 发明专利

JP2007142463A Optical fiber light guiding device, optical fiber transmission type laser device, and pulse laser oscillator 审中-公开
标题翻译：光纤导光装置，光纤传输型激光装置和脉冲激光振荡器
公开(公告)号：JP2007142463A
公开(公告)日：2007-06-07
申请号：JP2007038484
申请日：2007-02-19
申请人： Toshiba Corp , 株式会社東芝
发明人： OKAZAKI YUKIMOTO , YODA MASAKI , MUKAI SHIGEHIKO , SANO YUJI
IPC分类号： H01S3/10
摘要： PROBLEM TO BE SOLVED: To make it possible to transmit pulse laser light of high peak output by an optical fiber without damaging the optical fiber. SOLUTION: An optical fiber light guiding device guides a pulse laser light from a pulse laser oscillator 10f to an optical fiber for transmission. The device has a micro-lens array 27a composed by arranging condenser lenses 27a in the shape of compound eyes and introducing the pulse laser light from one end, and a condensing optical system 27a1 condensing the pulse laser light output from the other end of the micro-lens array into the optical fiber for transmission. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：使得可以通过光纤传输高峰值输出的脉冲激光而不损坏光纤。解决方案：光纤光导装置将来自脉冲激光振荡器10f的脉冲激光引导到用于透射的光纤。该装置具有微透镜阵列27a，该微透镜阵列27a通过将聚光透镜27a配置为复眼的形状，并从一端引入脉冲激光，以及聚光光学系统27a1，会聚从微型光源的另一端输出的脉冲激光 lens阵列进入光纤进行传输。版权所有（C）2007，JPO＆INPIT

26. 发明专利

JP2007017418A Laser maintenance device 有权
标题翻译：激光维护装置
公开(公告)号：JP2007017418A
公开(公告)日：2007-01-25
申请号：JP2005228801
申请日：2005-07-07
申请人： Toshiba Corp , 株式会社東芝
发明人： OCHIAI MAKOTO , ONO YOSHIAKI , MIURA TAKAHIRO , SHIMAMURA MITSUAKI , YODA MASAKI , KURODA HIDEHIKO , SENDA ITARU , CHOHO FUKASHI , YAMAMOTO SATOSHI , DOBASHI KENTARO , SAEKI RIYOUICHI
IPC分类号： G01N29/00 , G01B17/00 , G21C17/003 , G21C17/10 , G21C19/02
摘要： PROBLEM TO BE SOLVED: To provide a laser maintenance device capable of sharing almost all portions of a device for nondestructive flaw detection inspection on an inner face of an in-nuclear-reactor tubular structure and preventive maintenance such as stress improvement for a material surface.
SOLUTION: This laser maintenance device 10 is provided with a laser subsystem 20 constituted of a laser beam source and an optical system for inspecting, measuring, modifying and working an objective portion of the in-nuclear-reactor tubular structure 12, one or a plurality of light transmission means 25 for transmitting a laser beam emitted from the laser subsystem 20 up to the vicinity of the objective portion, a laser irradiation means for irradiating the objective portion of the in-nuclear-reactor tubular structure 12 with the laser beam transmitted by the light transmission means 25, a conveying/scanning mechanism 23 for conveying the light transmission means 25 and the laser irradiation means up to the objective portion of the in-nuclear-reactor tubular structure 12, and for scanning the objective portion within an optional range, an operation panel 22 for controlling/monitoring a scanning operation for the conveying/scanning mechanism 23, and a working carriage 19 for making the conveying/scanning mechanism 23 travel one- or two-dimensionally from a reactor vessel upper part, with respect to the in-nuclear-reactor tubular structure 12, and for positioning it to be suspension-supported.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种激光维持装置，其能够在核反应堆管状结构的内表面上共享用于非破坏性探伤检查的装置的几乎所有部分，并且进行预防性维护，例如针对材料表面。解决方案：该激光维持装置10设置有由激光束源和用于检查，测量，修改和加工核反应堆管状结构12的目标部分的光学系统构成的激光子系统20，一个或用于将从激光子系统20发射的激光束传送到目标部分附近的多个光传输装置25，激光照射装置，用于用激光照射核反应堆管状结构12的目标部分由光传输装置25传输的光束，用于将光传输装置25和激光照射装置传送到核反应堆管状结构12的目标部分的传送/扫描机构23，并用于扫描可选范围，用于控制/监视用于输送/扫描机构23的扫描操作的操作面板22，以及用于制造传送/扫描机构23相对于核反应堆管状结构12从反应堆容器上部一维或二维地行进，并将其定位为悬架支撑。版权所有（C）2007，JPO＆INPIT

27. 发明专利

JP2006137998A Laser-impact hardening treatment method and apparatus 有权
标题翻译：激光硬化处理方法和装置
公开(公告)号：JP2006137998A
公开(公告)日：2006-06-01
申请号：JP2004329278
申请日：2004-11-12
申请人： Toshiba Corp , Toshiba Plant Systems & Services Corp , 東芝プラントシステム株式会社 , 株式会社東芝
发明人： SANO YUJI , MUKAI SHIGEHIKO , YODA MASAKI , ONO YOSHIAKI , SAEKI AYAICHI , NAITO HIDEKI
IPC分类号： C21D1/09
摘要： PROBLEM TO BE SOLVED: To provide a laser-impact hardening treatment method by which laser beams can stably be emitted without causing splashing of the liquid and waving of the liquid surface due to the emission of the laser beams.
SOLUTION: A transparent solid 24 to the wave length of the laser beam, as an entrance window onto the liquid surface, is set and the liquid 22 is interposed in the optical path of the laser beam 51 between the solid 24 and the surface of a member 41 to be treated and the laser beams 51 are emitted through the solid 24 and thus, the impact hardening treatment is applied to the surface of the member 41 to be treated by being emitted on the surface of the member 41 through the liquid 22.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供激光冲击硬化处理方法，通过该激光冲击硬化处理方法可以稳定地发射激光束，而不会由于激光束的发射而导致液体飞溅和液面挥动。解决方案：设置作为入射到液面上的激光束的波长的透明固体24，并将液体22置于激光束51的固体24和要处理的构件41的表面和激光束51通过固体24发射，因此通过在构件41的表面上被喷射而被处理的构件41的表面施加冲击硬化处理液体22.版权所有（C）2006，JPO＆NCIPI

28. 发明专利

JPH11174191A PREVENTIVE MAINTENANCE AND REPAIR DEVICE OF REACTOR INTERNAL STRUCTURE 失效
公开(公告)号：JPH11174191A
公开(公告)日：1999-07-02
申请号：JP33897497
申请日：1997-12-09
申请人： TOSHIBA CORP
发明人： SATO KATSUHIKO , KIMURA MOTOHIKO , SANO YUJI , MUKAI SHIGEHIKO , TOGASAWA YUTAKA , KONDO MAKOTO , IKAKURA HIROAKI , SHIMAMURA MITSUAKI , SATO TAKAFUMI , KITAJIMA YASUKI , UEHARA TAKUYA , YODA MASAKI , OCHIAI MAKOTO , ITO TOMOYUKI
IPC分类号： G21C19/02 , B23K26/00 , B23K26/12 , G21C17/01
摘要： PROBLEM TO BE SOLVED: To improve stress from outside even in narrow and complicated environment in reactor pressure vessel, conduct preventive maintenance, and maintain the integrity of plant. SOLUTION: On operation floor 1 after removing fuel assembly in a reactor pressure vessel 2, a support column 20 loaded by a laser oscillator 70 and a light guide 25 are placed; and in the reactor pressure vessel 2, a horizontal light guide 29 and a laser work device 73 for annulus are loaded. The light guide 25 is connected to a movable reflection type mirror box 24, the mirror box 24 is connected to a light guide mast 26 and the light guide mast 26 is connected to a horizontal light guide 29. By transmitting laser from the laser oscillator 70 on the operation floor 1 to the laser work device 73 for annulus and irradiating laser to the work object from the laser work device 73 for annulus, stress is improved.

29. 发明专利

JP2012155159A Laser light transmission device, laser light transmission system, and laser light transmission method 审中-公开
标题翻译：激光发射装置，激光发射系统和激光发射方法
公开(公告)号：JP2012155159A
公开(公告)日：2012-08-16
申请号：JP2011014604
申请日：2011-01-26
申请人： Toshiba Corp , 株式会社東芝
发明人： UEHARA TAKUYA , MUKAI SHIGEHIKO , OKADA SATOSHI , SHIIHARA KATSUNORI , KAWASAKI TAISUKE , YODA MASAKI
IPC分类号： G02B6/42 , B23K26/00 , B23K26/08 , G02B26/08 , H01S3/00
摘要： PROBLEM TO BE SOLVED: To solve such a problem that, in a transmission system using an optical fiber, an aperture ratio of a laser from an optical fiber exit is changed due to bending, twist, and weight of the optical fiber.SOLUTION: The laser light transmission device for transmitting the laser light includes: the optical fiber having an incident end in which the laser light enters and an emission end from which the laser light is emitted; an incident optical system for optically connecting a light source of the laser light to the incident end of the optical fiber and allowing the laser light to enter the incident end; and incident angle adjusting means that changes an angle formed between the optical axis of the laser light entering the incident end from the incident optical system, and the incident end surface. The aperture ratio of the laser light emitted from the emission end is controlled by changing the angle between the optical axis of the laser light entering the incident end and the incident end surface.
摘要翻译：解决的问题为了解决这样的问题，即在使用光纤的传输系统中，来自光纤出口的激光的开口率由于光纤的弯曲，扭曲和重量而改变。解决方案：用于传输激光的激光传输装置包括：具有激光入射的入射端的光纤和发射激光的发射端; 入射光学系统，用于将激光的光源光纤连接到光纤的入射端，并允许激光进入入射端; 以及入射角调整单元，其使从入射光学系统入射到入射端的激光的光轴与入射端面之间形成的角度变化。通过改变进入入射端的激光的光轴与入射端面之间的角度来控制从发射端发射的激光的孔径比。版权所有（C）2012，JPO＆INPIT

30. 发明专利

JP2011185925A In-pipe work device 审中-公开
标题翻译：管内工作装置
公开(公告)号：JP2011185925A
公开(公告)日：2011-09-22
申请号：JP2011029023
申请日：2011-02-14
申请人： Toshiba Corp , 株式会社東芝
发明人： OKADA SATOSHI , TAMURA MASAKI , KOBAYASHI DAIJI , YODA MASAKI
IPC分类号： G21C17/003 , G21C19/02 , G21F9/28
CPC分类号： G21C17/017 , F16L55/28
摘要： PROBLEM TO BE SOLVED: To solve a problem wherein the shape of a pipe inner surface of a horizontal pipe such as a nozzle stub can differ from the design due to deformation or the like of a welding part and by a stress load, and, in a device for working along the circumferential direction of the pipe inner surface, the rotation shaft of a process head shifts from the actual center of the pipe, reducing the work accuracy. SOLUTION: The process head is attached to a rotation arm rotating about the major axis of the pipe. The in-pipe work device includes a distance sensor for measuring the distance between the process head and the pipe inner surface, and a process head position adjustment mechanism for changing the length from the rotation center of the rotation arm to the process head. High work accuracy can be obtained by keeping a distance suitable for work by expansion and contraction of the process head position adjustment mechanism. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题为了解决由于焊接部的变形等引起的水平管例如喷嘴短管的管内表面的形状与设计不同的问题以及应力负荷，并且，在沿着管内表面的周向工作的装置中，处理头的旋转轴从管的实际中心偏移，降低了加工精度。
解决方案：工艺头连接到围绕管的长轴旋转的旋转臂。管内作业装置包括用于测量处理头和管内表面之间的距离的距离传感器，以及用于将旋转臂的旋转中心的长度改变为处理头的处理头位置调整机构。通过保持适合工作的距离，可以通过工艺头位置调整机构的伸缩来获得高工作精度。版权所有（C）2011，JPO＆INPIT

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