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    • 6. 发明专利
    • Apparatus and method for material test
    • 用于材料测试的装置和方法
    • JP2003307475A
    • 2003-10-31
    • JP2002111604
    • 2002-04-15
    • Toshiba Corp株式会社東芝
    • TANAKA AKIRANAKATANI YUJIROFUKUDA DAIJIRONAGAI SATOSHISAITO YUJIISHIWATARI YUTAKAITO YOSHIYASU
    • G01N3/08
    • PROBLEM TO BE SOLVED: To provide a material testing apparatus by which a sufficient load is loaded onto a very small specimen sampled in an actual-machine structure and by which a test is made in a spot sampling the specimen.
      SOLUTION: One end side of the specimen 3 is supported by a fixed chuck 4, the other side is supported by a movable chuck 5, and the load is applied to the specimen W by a supermagnetostrictive actuator 2. The supermagnetostrictive actuator 2 moves the movable chuck 5 in such a way that a direction giving the load to the specimen 3 agrees with a tension and compression direction at a time when the load is given, and the load is applied to the specimen 3. A controller controls the supermagnetostrictive actuator 2 in such a way that a set load is loaded onto the specimen 3. Thereby, the material testing apparatus is miniaturized, and a large load is loaded onto the specimen 3.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种材料测试装置,通过该材料测试装置将足够的负载加载到以实际机器结构取样的非常小的样本上,并且对样本进行抽样检查。 解决方案:试件3的一端侧由固定卡盘4支撑,另一侧由可动卡盘5支撑,通过超磁致伸缩致动器2向载体施加载荷。超磁致伸缩致动器2 使可动卡盘5移动,使得给予试样3的载荷的方向与施加载荷时的张力和压缩方向一致,并且将载荷施加到试样3.控制器控制超磁致伸缩 执行机构2,使得设定的载荷被加载到试样3上。由此,材料测试装置被小型化,并且大的载荷被加载到试样3上。版权所有(C)2004,JPO
    • 8. 发明专利
    • Jet pump beam and method for manufacturing the same
    • 喷射泵梁及其制造方法
    • JP2010138476A
    • 2010-06-24
    • JP2008318820
    • 2008-12-15
    • Toshiba Corp株式会社東芝
    • KATAYAMA YOSHINORITSUBOTA MOTOJISAITO YUJIMORI HIROSHITANAKA NORIHIKO
    • C22C19/05C22F1/00C22F1/10G21C15/25G21D1/00
    • G21C15/25C22C19/055C22C19/056C22F1/10Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a jet pump beam of an improved heat-treatment precipitation-hardening nickel-based alloy having excellent stress corrosion cracking resistance, high strength at high temperature, high ductility, and high elasticity, and to provide a method for manufacturing the same. SOLUTION: The precipitation-hardening nickel-based alloy material has a component composition including, by mass, 50.0-55.0% Ni, 17.0-21.0% Cr, 4.75-5.50% Nb+Ta, 2.8-3.3% Mo, 0.65-1.15% Ti, 0.2-0.8% Al, 0.08% or less C, 0.35% or less Mn, 0.35% or less Si, 0.015% or less S, 0.03% or less P, 0.30% or less Cu, 0.006% or less B, 1.0% or less Co, and the balance Fe with inevitable impurities. The nickel-based alloy material is subjected to solid solution heat treatment at 1,010-1,090°C followed by age-hardening heat treatment for 5-7 hours at 694-714°C to form the jet pump beam 27 made of the improved heat-treatment nickel-based alloy. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种具有优异的耐应力腐蚀开裂性,高温强度,高延展性和高弹性的改进的热处理析出硬化镍基合金的喷射泵梁,并提供 其制造方法。 解决方案:沉淀硬化的镍基合金材料具有以质量计包含50.0-55.0%的Ni,17.0-21.0%的Cr,4.75-5.50%的Nb + Ta,2.8-3.3%的Mo,0.65 -1.15%Ti,0.2-0.8%Al,0.08%以下C,0.35%以下Mn,0.35%以下Si,0.015%以下S,0.03%以下P,0.30%以下Cu,0.006%或 较少的B,1.0%以下的Co,余量为Fe与不可避免的杂质。 将镍基合金材料在1,010-190℃进行固溶热处理,然后在694-714℃下进行5〜7小时的时效硬化热处理,形成喷射泵梁27, 处理镍基合金。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Control rod for nuclear reactor
    • 核反应堆控制棒
    • JP2009145160A
    • 2009-07-02
    • JP2007321907
    • 2007-12-13
    • Toshiba Corp株式会社東芝
    • NAKAMURA MITSUHARUUEDA KIYOSHITSUMITA KOSAKUYOSHIOKA KENICHIKANO YOSHIJITAJIMA TOMOKOKATAYAMA YOSHINORISAITO YUJI
    • G21C7/10G21C7/113
    • Y02E30/39
    • PROBLEM TO BE SOLVED: To reduce probability of stress corrosion cracks or electrochemical activation, and to suppress reactivity value reduction even to a phenomenon generating a great output rise when extracting a control rod relative to a fuel adjacent to the control rod, while paying attention to problems of irradiation growth difference or thermal expansion difference. SOLUTION: A tip structure material and a wing bonding member are made of a zirconium alloy permitting inclusion of hafnium to the extent of a natural composition or higher, and a neutron absorption material part of a neutron absorption material plate constituting the main part of a wing is made of a hafnium-zirconium alloy diluted with hafnium or zirconium, and the outer surface facing to a fuel assembly is made of a composite material of hafnium covered with zircaloy and zircaloy. Each neutron absorption material plate is faced at a trap interval capable of including reactor water inside, and the thickness of the neutron absorption material plate is adjusted to be substantially uniform in the axial direction wherein the control rod is inserted/extracted. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了减少应力腐蚀裂纹或电化学活化的可能性,并且即使当相对于与控制棒相邻的燃料提取控制棒时也能抑制反应性值降低甚至产生大的输出上升的现象,同时 注意照射增长差异或热膨胀差异的问题。 解决方案:尖端结构材料和翼结合构件由允许包含铪的天然组成或更高的锆合金制成,并且构成主要部分的中子吸收材料板的中子吸收材料部分 机翼由用铪或锆稀释的铪锆合金制成,面向燃料组件的外表面由覆盖有锆石和氧化锆的铪复合材料制成。 每个中子吸收材料板以能够包含反应器水的陷阱间隔的方式面对,并且中子吸收材料板的厚度被调节为在其中插入/拔出控制棒的轴向方向上基本均匀。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Strain sensor, and strain measuring method
    • 应变传感器和应变测量方法
    • JP2004219105A
    • 2004-08-05
    • JP2003003481
    • 2003-01-09
    • Toshiba Corp株式会社東芝
    • FUKUDA DAIJIRONAKATANI YUJIROTANAKA AKIRASAITO YUJIISHIWATARI YUTAKAITO YOSHIYASU
    • G01L1/12G01B7/00G01B7/24
    • PROBLEM TO BE SOLVED: To provide a strain sensor, and a strain measuring method wherein a measuring device is small, capable of accurately measuring a strain quantity of a minute specimen.
      SOLUTION: The strain sensor measuring the strain quantity of the specimen is characterized by that it is formed by a super-magnetostrictive material installed in a portion measuring the strain quantity of the specimen, a coil installed near the super-magnetostrictive material in a state not contacting the super-magnetostrictive material, and inducing an electric current by electromagnetic induction of a magnetic field generated by deformation of the super-magnetostrictive material along with the specimen, and an output device measuring a current value of the electric current, and calculating and outputting the strain quantity of the specimen from the current value and a relationship between a strain quantity and a current value of a known super-magnetostrictive material.
      COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:提供一种应变传感器和应变测量方法,其中测量装置小,能够精确地测量微小样品的应变量。 测量样品的应变量的应变传感器的特征在于,其由安装在测量样品的应变量的部分中的超磁致伸缩材料形成,安装在超磁致伸缩材料附近的线圈 不与超磁致伸缩材料接触的状态,以及通过电磁感应由超磁致伸缩材料与试样的变形产生的磁场引起的电流,以及测量电流的电流值的输出装置,以及 根据当前值和应变量与已知超磁致伸缩材料的电流值之间的关系计算和输出样品的应变量。 版权所有(C)2004,JPO&NCIPI