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    • 3. 发明专利
    • ジェットポンプの振動抑制装置、ジェットポンプおよびその振動抑制方法
    • 喷射泵振动抑制装置,喷射泵及其振动抑制方法
    • JP2014199243A
    • 2014-10-23
    • JP2013256010
    • 2013-12-11
    • 株式会社東芝Toshiba Corp
    • WATANABE KATSUNOBUSHIOYAMA TSUTOMUKINUGASA KUNIHIKOMASUDA YUKIMATSUKAWA KOZUEMORI HIROSHIMINATO YUKI
    • G21C15/25G21C15/243
    • F04F5/10F04F5/46F04F5/463F04F5/464F04F5/54G21C15/25Y02E30/31
    • 【課題】ジェットポンプの流動特性を維持し、すべり継ぎ手のすき間流れに起因した自励振動を抑制することができるジェットポンプの振動抑制技術である。【解決手段】本発明に係るジェットポンプの振動抑制装置は、沸騰水型原子炉の原子炉圧力容器内に設けられ、ライザー管に連結されるインレットミキサー管33と、このインレットミキサー管33にすべり継ぎ手により連結されるディフューザ34とを備え、ディフューザ内周面とインレットミキサー管外周面とによりすべり継ぎ手40のすき間流路48が形成され、原子炉圧力容器内の冷却水を強制循環させるジェットポンプにおいて、ディフューザ34上に載置され、下方の内径よりも上方の内径が小さい形状を有し、その内周面とインレットミキサー管33外周面とにより、ディフューザ34の上端よりも上方に延長すき間流路を形成するエクステンションスリーブ53とが備えられ、延長すき間流路51は、エクステンションスリーブ53の形状によって下方より上方が狭い形状に形成されたことを特徴とするものである。【選択図】図5
    • 要解决的问题:提供一种喷射泵振动抑制技术,其能够保持喷射泵的流动特性,并抑制由滑动接头的间隙中的流动引起的自激振动。解决方案:根据 提供在沸水反应堆的反应堆压力容器中的本发明包括:连接到提升管的入口混合器管33; 以及与滑动接头连接到入口混合管33的扩散器34。 喷射泵在由扩散器的内周面和入口混合管的外周面形成的滑动接头40的间隙中形成有流路48,迫使反应器压力容器中的冷却水循环, 包括放置在扩散器34上的延伸套筒53,其具有在上侧的内径小于下侧的内径的形状,并且形成延伸的间隙流动路径, 扩散器34由延伸套筒的内周面和入口混合管33的外周面形成。延伸间隙流路51形成为其上侧比其下侧窄的形状,由于形状 的延伸套筒53。
    • 4. 发明专利
    • Heat exchanger
    • 热交换器
    • JP2014098507A
    • 2014-05-29
    • JP2012250526
    • 2012-11-14
    • Toshiba Corp株式会社東芝
    • KATSUKI RYOJIABE SATORUIWAKI CHIKAKOSHIOYAMA TSUTOMUKATAYAMA KENJIROMOCHIDA HIROYUKIKOMATSU YUTA
    • F28D15/02G21C15/18G21C15/257G21C19/07
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a heat exchanger that uses free convection and that does not require an excessive space.SOLUTION: According to embodiments, in a heat exchanger including a heat pipe emitting heat generated from a cooling target device to outside, the heat pipe includes: an evaporation unit that is provided near the cooling target device and that evaporates a working fluid input in a liquid state; a condensation unit that condenses the working fluid input in a gaseous state after making heat exchange with outside air; a first heat insulating tube feeding the working fluid in the gaseous state from the evaporation unit to the condensation unit; and a second heat insulating tube feeding the working fluid in the liquid state from the condensation unit to the evaporation unit. The condensation unit includes: a plurality of heat transfer tubes 13 arranged in a zigzag fashion, forming a plurality of lines vertically, and extending horizontally in parallel to one another; and a plurality of plate fins 14 arranged outside of the heat transfer tubes 13 and each spreading in a direction perpendicular to an axis.
    • 要解决的问题:提供一种使用自由对流并且不需要过多空间的热交换器。解决方案:根据实施例,在包括从冷却目标装置发射到外部的热量的热管中的热交换器中,热量 管道包括:蒸发单元,其设置在冷却目标装置附近并使液态的工作流体输入蒸发; 冷凝单元,其在与外部空气进行热交换之后将工作流体输入以气态冷凝; 第一绝热管,其将从气态的工作流体从所述蒸发单元供给到所述冷凝单元; 以及将处于液态的工作流体从冷凝单元向蒸发单元供给的第二绝热管。 冷凝单元包括:以锯齿状排列的多个传热管13,其形成多个垂直线,并且彼此平行地水平延伸; 以及布置在传热管13的外部并且各自沿垂直于轴线的方向扩展的多个板状散热片14。
    • 5. 发明专利
    • Active silencer
    • JP2004354770A
    • 2004-12-16
    • JP2003153370
    • 2003-05-29
    • Toshiba Corp株式会社東芝
    • EBATO AKIHIKONISHIMURA OSAMUSHIOYAMA TSUTOMU
    • E01F8/00G10K11/178
    • PROBLEM TO BE SOLVED: To provide an active silencer for attaining control effect stabilized without deteriorating sound decrease effect even to a moving sound generating part.
      SOLUTION: The active silencer comprises a reference microphone 11, correction microphones 12a and 12b arranged on both sides along a direction extending a sound shielding wall K of the reference microphone 11, a control speaker 15 for generating a control sound interfering with a transmitting sound, a control microphone 16 for detecting the sound pressure level of a transmission sound, delay circuits 13a and 13b for delaying a correction signal from the correction microphones 12a and 12b for a prescribed time, a reference signal calculator 14 for decreasing a delayed correction signal from the reference signal from the reference microphone 11 and calculating a new reference signal, and a control circuit 20 for generating a control sound at an amplitude and a phase to minimize a signal detected with a control microphone 16 on the basis of the new reference signal and the signal detected with the control microphone.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 6. 发明专利
    • Ultrasonic imaging device and ultrasonic imaging program
    • 超声成像装置和超声成像程序
    • JP2009210271A
    • 2009-09-17
    • JP2008050567
    • 2008-02-29
    • Toshiba Corp株式会社東芝
    • NISHIMURA OSAMUSHIOYAMA TSUTOMUSUZUKI TAKEHIKO
    • G01S15/89G01S7/524
    • PROBLEM TO BE SOLVED: To provide an ultrasonic imaging device and an ultrasonic imaging program can high-speed synthetic aperture process, even when a distance to an object is long and a round-trip propagation time is required.
      SOLUTION: According to this ultrasonic imaging device, a transmission time interval t is defined in a range wherein a transmission ultrasonic wave from each piezoelectric element does not interfere with each other even when being reflected by an imaging domain A and returned, and wherein the transmission ultrasonic wave does not directly interfere with a reception ultrasonic wave, by using the maximum distance and the minimum distance between each piezoelectric element T
      NN constituting an ultrasonic probe and the imaging domain by the ultrasonic wave. The device transmits the ultrasonic wave by using the defined transmission time interval t, and executes aperture synthetic processing by using the obtained reflected wave.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:即使当距离物体的距离长并且需要往返传播时间时,提供超声波成像装置和超声波成像程序可以进行高速合成孔径处理。 解决方案:根据该超声波摄像装置,传输时间间隔t被限定在即使被成像域A反射并且返回的情况下,来自各压电元件的透射超声波彼此不干涉的范围, 其中,通过使用构成超声波探头的各压电元件T NN 与超声波的成像域之间的最大距离和最小距离,发送超声波不直接干扰接收超声波。 设备通过使用定义的传输时间间隔t来发送超声波,并且通过使用所获得的反射波来执行孔径合成处理。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Sound proof barrier with active silencing device
    • 具有主动遮光装置的声音障碍
    • JP2006072197A
    • 2006-03-16
    • JP2004258280
    • 2004-09-06
    • Kajima CorpToshiba Corp株式会社東芝鹿島建設株式会社
    • MATSUI NOBUYUKIEBATO AKIHIKOSHIOYAMA TSUTOMU
    • G10K11/178E04B1/82
    • PROBLEM TO BE SOLVED: To alter amplitude/phase characteristics of a diffracted sound itself of a noise source by changing a sound proof barrier itself with an active silencing device into a cylindrical or rectangular duct etc., and to uniformly and securely reduce the diffracted sound of the sound proof barrier circumferentially along the barrier with one pair of a controller and a microphone even when a plurality of speakers are used.
      SOLUTION: The sound proof barrier with the active silencing device comprises a line sound source speaker 2 for control which is installed at or nearby a tip part of the sound barrier 1 and has equal-amplitude and in-phase line sound source characteristics and a point sound source group 3 for control constituted by arranging a plurality of point sound source speakers 3a apart circumferentially along the barrier so that one speaker in every half wavelength, a reference microphone 4 which is installed inside the sound barrier 1 nearby its upper end and detects the sound pressure of the noise source, a microphone 5 for control which is installed outside the sound barrier 1 nearby its upper end and detects the sound pressure of the diffracted sound, and a control unit 6 which adjusts the amplitude and phase of the speaker 2 or 3 with a signal detected by the reference microphone 4 and minimizes a signal detected by the microphone 5 for control.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过用主动消音装置将隔音屏障本身改变为圆柱形或矩形管道等来改变噪声源的衍射声音本身的幅度/相位特性,并且均匀且可靠地减小 即使在使用多个扬声器的情况下,也可以使用一对控制器和麦克风沿着屏障周向地设置隔音屏障的衍射声音。 解决方案:具有主动消音装置的隔音屏障包括一个用于控制的线声源扬声器2,其安装在声屏障1的尖端部分或附近,并且具有等振幅和同相线声源特性 以及用于控制的点声源组3,其通过沿着屏障沿周向布置多个点声源扬声器3a而构成,使得每半个波长的一个扬声器是安装在隔音屏障1内部的参考麦克风4的上端附近 并且检测噪声源的声压,安装在声屏障1附近的控制外的麦克风5,并检测衍射声的声压;以及控制单元6,其调节噪声源的振幅和相位 扬声器2或3具有由参考麦克风4检测到的信号,并且将由麦克风5检测到的信号最小化以进行控制。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Elevator device, method for controlling elevator device, and building
    • 电梯装置,用于控制电梯装置的方法和建筑物
    • JP2005119882A
    • 2005-05-12
    • JP2004325849
    • 2004-11-10
    • Toshiba Corp株式会社東芝
    • SHIOYAMA TSUTOMU
    • B66B1/14B66B11/02
    • PROBLEM TO BE SOLVED: To give no uncomfortable feeling to passengers without lowering the lifting speed of an elevator even when the atmospheric pressure difference caused by the height difference of an upper floor and a lower floor is large. SOLUTION: This elevator device equipped with a car 11 and a means 3 for lifting and lowering the car 11 within a hoistway 1, is provided with an atmospheric pressure regulator 12 for regulating atmospheric pressure in the car 11, and a controller 14 for sending to the atmospheric pressure regulator 12 a control signal for gently changing the atmospheric pressure in the car 11 to approach the atmospheric pressure on an arrival scheduled floor from the atmospheric pressure on a start floor before the arrival of the car 11 after the start. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:即使当由于上层和下层的高度差引起的大气压力差大时,也不会降低电梯的提升速度,使乘客不感到不舒适的感觉。 解决方案:配备有轿厢11和用于在井道1内提升和降低轿厢11的装置3的电梯装置设置有用于调节轿厢11中的大气压力的大气压力调节器12和控制器14 向气压调节器12发送一个控制信号,用于在汽车11的启动之后轿厢11到达之前从开始楼层的大气压开始,轻轻地改变轿厢11中的大气压力以接近到达预定楼层的大气压力。 版权所有(C)2005,JPO&NCIPI