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    • 1. 发明专利
    • Underwater testing device and underwater testing method
    • 水下试验装置和水下试验方法
    • JP2006119080A
    • 2006-05-11
    • JP2004309461
    • 2004-10-25
    • Hitachi Ltd株式会社日立製作所
    • KAWASAKI HIROBUMINANBA SHIGERUOTSUKA TOSHIHIROSEYA TORU
    • G01M3/06B08B3/12
    • B63C11/52
    • PROBLEM TO BE SOLVED: To perform underwater testing with a small volume testing box provided with a means for surely removing clogging at defects without diving, even when clogging at penetration defects of such as underwater parent material and welded part.
      SOLUTION: The underwater testing device is provided with: the testing box 1, containing ultrasonic vibrator 76 inside and having a seal packing on the opening end surface 45 contacting an object part to be tested of liner 30; a water jet ejector 29 for draining inner water of the testing box 1 up to a state of not exposing the ultrasonic vibrator 76; a negative pressure generator 11 for making the inside of the testing box 1 negative pressure and supplying the water jet ejector 29 with jet water; and ultrasonic oscillator 77 for cleaning the object part to be tested of the liner 30 by driving the ultrasonic vibrator 76, in a state of not being exposed to the internal water of the test box 1, wherein the part to be tested of the liner 30 is cleaned prior to defect test.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:即使在诸如水下母材和焊接部件的穿透缺陷处堵塞时,也可以用小体积的试验箱进行水下试验,该试验箱具有在没有潜水的情况下确定地去除缺陷堵塞的装置。 解决方案:水下测试装置设有:检测箱1,其内部包含超声波振动器76,并且在开口端表面45上具有接触衬套30的被测试物体部分的密封垫片; 用于将测试箱1的内部水排放到不暴露超声波振动器76的状态的喷水喷射器29; 用于使检测箱1的内部成为负压并将喷射喷射器29供给喷射水的负压发生器11; 以及超声波振荡器77,用于在不暴露于测试箱1的内部水的状态下通过驱动超声波振动器76来清洁衬套30的待测试部件,其中衬套30的被测试部件 在缺陷测试之前进行清洁。 版权所有(C)2006,JPO&NCIPI
    • 2. 发明专利
    • PUMP YARD REMOTE MONITORING SYSTEM
    • JPH10326109A
    • 1998-12-08
    • JP13341197
    • 1997-05-23
    • HITACHI LTD
    • SAKAI SHUNEIOTSUKA TOSHIHIROONO YOSHIAKI
    • G05B23/02
    • PROBLEM TO BE SOLVED: To provide a pump yard remote monitoring system that can reduce the data transmission cost and also can quickly deal with the abnormality. SOLUTION: A data terminal equipment 1 placed at a pump yard fetches the data showing the operating conditions of the water level, etc., of the pump yard and the operating state of the pumping facilities via an input device 5 and stores these data in a storage 3. Then, the necessary data are transmitted via a transmitting device 4, a public circuit 9 and a transmitting device 14 only when a failure signal is included in those fetched data, an arithmetic unit 2 processes the input data and recognizes the abnormality or a transmission request is received from a CPU 10. When the data having abnormality are received, the CPU 10 refers to a data base device 13 storing the telephone number, etc., of a person in charge and notifies the abnormality via an automatic calling operation to quickly deal with the abnormality.
    • 4. 发明专利
    • MOVING BODY RADIO EQUIPMENT
    • JPH0767173A
    • 1995-03-10
    • JP21125693
    • 1993-08-26
    • HITACHI LTDHITACHI VIDEO & INF SYST
    • OTSUKA TOSHIHIROYAMAMOTO KOICHIYOSHIDA JUNICHI
    • H04Q7/38
    • PURPOSE:To limit the use of the main body of the moving body radio equipment having a use limiting function when the main body is used next time by monitoring an internal timer, backed up by an internal battery, by a microprocessor and automatically writing main body use limitation information in a main body memory when the value of the timer exceeds a value predetermined by a supervisor. CONSTITUTION:When a person other than the person who supervises the main body uses the main body, the supervisor who is not the user limits the use of the main body. The microprocessor 16 reads time information out of the timer circuit 17 periodically and compares it with use limitation data previously set in the nonvolatile memory 15 by the supervisor through a key pad 13. When the read time information exceeds the use limit value, the use limitation information is written in the nonvolatile memory 15. The stored use limitation information is detected by the microprocessor 16 when the power source is turned on next time and some of the functions of the mobile equipment main body are automatically disabled.
    • 5. 发明专利
    • Manufacturing method of spent fuel storage rack
    • 燃油储存架的制造方法
    • JP2007024609A
    • 2007-02-01
    • JP2005205038
    • 2005-07-14
    • Hitachi Ltd株式会社日立製作所
    • KATO MITSUOMAEDA SUMIMITSULUO XIANGJUNHANEDA MITSUAKIOTSUKA TOSHIHIROKIMURA MASAHIROASHIDA EIJIFUNAMOTO TAKAOOBANA TAKESHI
    • G21C19/07G21C19/40
    • PROBLEM TO BE SOLVED: To provide a manufacturing method of a spent fuel storage rack which includes high quality and high reliability and is excellent in weldability by suppressing a high-temperature crack and suppressing warpage, deformation and residual stress produced in welding as much as possible. SOLUTION: The spent fuel storage rack is manufactured by welding an austenitic steel alloyed with 0.1-1.5 wt.% of boron. In welding, a two-phase stainless steel consisting of 0.1 wt.% or less of C, 0.05-0.65 wt.% of Si, 1.0-2.5 wt.% of Mn, 8.0-10.5 wt.% of Ni, 28.0-32.0 wt.% of Cr, 0.5 wt.% or less of Mo, 0.03 wt.% or less of P, 0.03 wt.% or less of S and the balance of inevitable impurities and Fe is used for welding. The ferrite amount of the welding metal section is 15-40 wt.%, and the spent fuel storage rack a two-phase stainless steel welding section containing boron is used. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种废品储存架的制造方法,其包括高品质和高可靠性,并且通过抑制高温裂纹和抑制焊接中产生的翘曲,变形和残余应力而具有优异的焊接性, 尽可能的

      解决方案:废燃料储存架是通过焊接与0.1-1.5重量%硼合金的奥氏体钢制成的。 在焊接中,由0.1重量%以下的C,0.05-0.65重量%的Si,1.0-2.5重量%的Mn,8.0-10.5重量%的Ni,28.0-32.0组成的两相不锈钢 Cr的重量%,Mo的0.5重量%以下,P 0.03重量%以下,S:0.03重量%以下,剩余的不可避免的杂质和Fe用于焊接。 焊接金属部的铁素体量为15〜40重量%,废燃料储存架使用含有硼的二相不锈钢焊接部。 版权所有(C)2007,JPO&INPIT

    • 6. 发明专利
    • Underwater tester
    • 水下测试仪
    • JP2005351628A
    • 2005-12-22
    • JP2004169288
    • 2004-06-08
    • Hitachi Ltd株式会社日立製作所
    • EBINA YOSHINORITAKAHASHI TOSHIYORIOTSUKA TOSHIHIROKAWASAKI HIROBUMISEYA TORU
    • G21C17/08G21C17/003G21C19/07
    • PROBLEM TO BE SOLVED: To provide an underwater tester for a lining which tests any defects on the lining in water, by remote control from above the water surface.
      SOLUTION: A test container is fitted onto a section to be tested on the lining in the water, an ejector is actuated by a negative pressure generating unit to drain the water in the test container and keep the negative pressure condition in the test container, and a foaming liquid injection unit is actuated to squirt a foaming liquid at the lining face of the test container. The test container is fitted onto the section to be tested on the lining in the water, the ejector is actuated by the negative pressure generating unit to drain the water in the test container and keep the negative pressure condition in the test container, the foaming liquid injection unit is actuated to actuate a hydraulic pressure unit for driving a cylinder, and the foaming liquid is applied to the lining face of the test container.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于衬里的水下测试仪,其通过从水面以上的遥控来测试水中衬里的任何缺陷。

      解决方案:将测试容器安装在水中的待测试部分上,由负压发生单元致动喷射器,以排出测试容器中的水并将负压条件保持在测试中 容器,并且启动发泡液体注入单元以在测试容器的衬里面处喷射发泡液体。 将测试容器装在水中的待测试部分上,由负压发生单元驱动喷射器排出测试容器中的水,并将负压条件保持在测试容器中,发泡液体 喷射单元被致动以启动用于驱动气缸的液压单元,并且将发泡液施加到测试容器的衬面。 版权所有(C)2006,JPO&NCIPI

    • 9. 发明专利
    • METHOD AND DEVICE FOR DISPLAYING WATER VOLUME TIME SEQUENCE DATA
    • JPH09111732A
    • 1997-04-28
    • JP26679595
    • 1995-10-16
    • HITACHI LTD
    • FUJII KENJIOTSUKA TOSHIHIRO
    • E02B1/00G06F3/048G06F3/14
    • PROBLEM TO BE SOLVED: To provide a method for displaying a water volume time sequence data for the application in relation to time and space on a map on a wide area river network so as to easily grasp water volume characteristics on a river network and contrive to manage properly river control facilities. SOLUTION: Water volume time sequential data on a river network measured with a water volume data measuring instrument 104 is placed under control based on a river network water volume prediction data base 102 together with predicted water volume time sequential data computed with a river network water volume prediction simulator 103. When the data is displayed on a window 104 on a river network in a display means 101, a display switch over window 105 specifies a display method and the features of data desired to be displayed on a feature point change over window 106 and specifies the time of data on a time change over window 107 and displays the specified information data on a map of an intended river network of a river network display window 104 in relation to time and space and displays the meaning of the information on a display content description window 108.