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    • 1. 发明专利
    • Fluid machine, and fluid machine operation control device
    • 流体机,流体机械操作控制装置
    • JP2011179414A
    • 2011-09-15
    • JP2010044785
    • 2010-03-01
    • Central Japan Railway CoEbara CorpJr Tokai Consultants Kkジェイアール東海コンサルタンツ株式会社東海旅客鉄道株式会社株式会社荏原製作所
    • SUZUKI KAZUMAISHII HIROTOSHIOGITA MICHIYUKIHIRANAGA SACHIKOTAKASHIMA MICHIOFURUYA KOICHIKURAMASU MASAHIRO
    • F04D29/46F04D27/00
    • F04D29/563
    • PROBLEM TO BE SOLVED: To provide a fluid machine effectively suppressing counter wind pressure entered into an air duct and applied to the rotary vane of a ventilation fan without causing impact and impact noise when a valve element is opened/closed.
      SOLUTION: Each guide vane 14 includes a fixed guide vane 14a and a movable guide vane 14b, the fixed guide vane 14a is fixed to a barrel 10, and the movable guide vane 14b is rotatable around a rotating shaft 16 perpendicular to the axial direction of the barrel 12. A movable vane opening automatic control mechanism 24 is provided so that when a reverse fluid flow flowing into an inlet port is led to flow into from the discharge port of the barrel, by fluid differential pressure generated, the movable guide vane 14b is retained in such a position that the movable guide vane 14b is rotated in the direction of a fully closed position from a fully opened position as a normal position with the vane surface of the movable guide vane 14b continuous with the vane surface of the fixed guide vane 14a, thereby changing the direction of the reverse fluid flow and reducing pressure of the reverse fluid flow abutting on the rotating vane 15.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种流体机械,当阀元件打开/关闭时,有效地抑制进入风道中的逆风压并施加到通风扇的旋转叶片,而不会引起冲击和冲击噪声。

      解决方案:每个导叶14包括固定导向叶片14a和可动导向叶片14b,固定导向叶片14a固定在筒体10上,可动导向叶片14b能够围绕垂直于 设置可动叶片开启自动控制机构24,使得当流入入口的反向流体流被引导从筒的排出口流入时,通过产生的流体压差,可移动的 导向叶片14b保持在可动导向叶片14b从完全关闭位置的方向从完全打开位置旋转的位置作为正常位置,其中可动导向叶片14b的叶片表面与叶片表面的叶片表面连续 固定导向叶片14a,从而改变反向流体流动的方向和抵靠旋转叶片15的反向流体流的减小压力。版权所有(C)2011,JPO&INPIT

    • 2. 发明专利
    • Fluid machine operation control device, counter wind pressure suppressing device, and method for operating fluid machine
    • 流体机械操作控制装置,逆风压力抑制装置和操作流体机器的方法
    • JP2011179413A
    • 2011-09-15
    • JP2010044784
    • 2010-03-01
    • Central Japan Railway CoEbara CorpJr Tokai Consultants Kkジェイアール東海コンサルタンツ株式会社東海旅客鉄道株式会社株式会社荏原製作所
    • SUZUKI KAZUMAISHII HIROTOSHIOGITA MICHIYUKIHIRANAGA SACHIKOTAKASHIMA MICHIOFURUYA KOICHIKURAMASU MASAHIROOGATA YOSHIKAZUNAKAYAMA ATSUSHI
    • F04D27/00
    • PROBLEM TO BE SOLVED: To provide a fluid machine operation control device and a method for operating a fluid machine, immediately returning the fluid machine to normal rotational speed when pressure fluid is converged without damaging the fluid machine such as a ventilation fan provided in a flow passage with excessive pressure fluid entered into the inside in a backward direction and a forward direction from the outside by excessive rotation or the like due to entering of the pressure fluid.
      SOLUTION: This fluid machine operation control device is arranged in an air duct 11 and controls the operation of the ventilation fan 10 delivering an air flow from one side of the air duct 11 to the other side thereof by rotating a rotary vane 15 by an electric motor 17. The fluid machine operation control device includes: a speed controller 3; a ventilation fan operation controller 1 having a normal control function; a ventilation fan protection controller 2 having a protection control instruction function instructing protection control so that when an external pressure fluid flow out of an allowable range intrudes into the air duct 11, the speed controller 3 is made to stop the normal control function and a rotor is made in a free running state; and a mechanical automatic counter wind pressure suppressing device 4.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供流体机械操作控制装置和用于操作流体机械的方法,当压力流体汇合而立即将流体机器返回到正常转速,而不损坏流体机器,例如提供的通风扇 在具有过压的流体中,由于压力流体的进入,过大的压力流体通过过度旋转等从外部进入向内的方向和向外的方向。 解决方案:该流体机械操作控制装置布置在空气管道11中,并且控制通风扇10的操作,该通风扇10通过旋转叶片15将气流从空气管道11的一侧输送到另一侧 流体机械操作控制装置包括:速度控制器3; 具有正常控制功能的通风扇操作控制器1; 具有保护控制指示功能的通风风扇保护控制器2,其指示保护控制,使得当外部压力流体流出允许范围流入空气管道11时,使速度控制器3停止正常控制功能,转子 是在自由运行状态下进行的; 和机械式自动逆风风压抑制装置4.(C)2011,JPO&INPIT
    • 3. 发明专利
    • 逆風圧抑制装置
    • 不良风压限制装置
    • JP2015004363A
    • 2015-01-08
    • JP2014180130
    • 2014-09-04
    • 東海旅客鉄道株式会社Central Japan Railway Coジェイアール東海コンサルタンツ株式会社Jr Tokai Consultants Kk株式会社荏原製作所Ebara Corp
    • SUZUKI KAZUMAISHII HIROTOSHIOGITA MICHIYUKIHIRANAGA SACHIKOTAKASHIMA MICHIOFURUYA KOICHIKURAMASU MASAHIROOGATA YOSHIKAZUNAKAYAMA ATSUSHI
    • F04D29/56
    • 【課題】弁体の開閉時の衝撃や衝撃音を抑制・低減し、風路に侵入し換気ファン等に及ぼす逆風圧を効果的に抑制でき、損傷、消耗、劣化等を極力低減して長寿命化が可能な逆風圧抑制装置を提供することを目的とする。【解決手段】流体流を風路の一方から他方に送る流体機械に及ぶ逆風圧を抑制する逆風圧抑制装置であって、逆風圧抑制機構40と、弁体開度自動制御機構50とを備え、逆風圧抑制機構は、胴体41と、1又は複数本の通風抵抗となる弁体42を備え、弁体は該弁体に固定された弁体軸43を有し、胴体内に並列に、且つ弁体軸を介して回動自在に配置され、複数本の弁体は逆風の風圧を受け回動するように構成され、弁体開度自動制御機構は、逆風圧抑制機構の弁体が逆風の風圧を受けて回動する回動動作を所定の抑制力で抑制し、該弁体の開度を逆風圧に応じた開度に自動的に制御する機能を備えている。【選択図】図18
    • 要解决的问题:提供一种能够在打开或关闭阀构件时限制和减少冲击和冲击声的不利的风压抑制装置,有效地限制进入风道的不利风压并影响通风扇, 尽可能地减少损坏,磨损和劣化等并且达到其长寿命。解决方案:本发明涉及一种用于限制针对流体机械供给流体流动的不利风压的不利风压抑制装置 从一个风道到另一个风道。 不利的风压抑制装置包括不利的风压约束机构40和阀开度自动控制机构50.不利的风压抑制机构包括筒41,作为曝气电阻的一个或多个阀构件42。 阀包括固定在阀上的阀轴43。 这些阀在筒体内彼此平行配置,并通过阀轴可旋转地安装。 多个阀被构造成通过接受不利风的风压而旋转。 阀开度自动控制机构具有限制不利风压抑制机构的阀构件的旋转动作的功能,以接受不利的风压并以规定的限制力旋转,并且自动控制阀构件的开度 对应于不利风压的开度。
    • 4. 发明专利
    • Fluid machine, and fluid machine operation control device
    • 流体机,流体机械操作控制装置
    • JP2011179412A
    • 2011-09-15
    • JP2010044783
    • 2010-03-01
    • Central Japan Railway CoEbara CorpJr Tokai Consultants Kkジェイアール東海コンサルタンツ株式会社東海旅客鉄道株式会社株式会社荏原製作所
    • SUZUKI KAZUMAISHII HIROTOSHIOGITA MICHIYUKIHIRANAGA SACHIKOTAKASHIMA MICHIOFURUYA KOICHIKURAMASU MASAHIRO
    • F04D29/053F04D25/08F04D27/00
    • PROBLEM TO BE SOLVED: To provide a fluid machine having fluid machine strength prevented from being damaged even during excess rotation by a simple structure when an excessive fluid flow is entered into a fluid flow passage from the outside, and further immediately returned to normal rotational speed when a forcible excessive rotational phenomenon has passed. SOLUTION: This fluid machine is provided in the fluid flow passage (air duct 11), and delivers fluid from one direction of the fluid flow passage to the other direction thereof by rotating a rotary vane 15 by a driving machine (electric motor 17). A first mechanical one-way clutch 16 transmitting torque of the driving machine only in a normal rotational direction to the rotating shaft of the rotary vane is arranged between the rotating shaft of the rotary vane 15 and the driving shaft of the driving machine, and a second mechanical one-way clutch 26 allowing rotation of the driving shaft in the normal rotational direction and preventing rotation in an inverse direction is arranged between the driving shaft of the driving machine and a stationary side. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种流体机械,当流体机械强度从外部进入到流体流动通道中时,通过简单的结构防止即使在过度旋转期间流体机械强度也被损坏,并且还立即返回到 当强制过度旋转现象已经过去时的正常转速。 解决方案:该流体机器设置在流体流动通道(空气管道11)中,并且通过驱动机器(电动机)旋转旋转叶片15将流体从流体流动通道的一个方向传递到其另一个方向 17)。 在旋转叶片15的旋转轴与驱动机构的驱动轴之间配置有第一机械式单向离合器16,该第一机械式单向离合器16将驱动机构的转矩传递到旋转叶片的转动轴的正转方向, 在驱动机构的驱动轴和固定侧之间,配置允许驱动轴在正常旋转方向上旋转并防止反向旋转的第二机械式单向离合器26。 版权所有(C)2011,JPO&INPIT
    • 5. 发明专利
    • Wear detection mechanism of bearing, and vertical shaft pump including the same
    • 轴承的磨损检测机构和包括其的垂直轴泵
    • JP2013155627A
    • 2013-08-15
    • JP2012015029
    • 2012-01-27
    • Ebara Corp株式会社荏原製作所
    • TAKAHASHI YOSHIMIZUISHIDO TORUTAKASHIMA MICHIOISHIHARA KOICHISATO SHINGOUCHIDA YOSHIHIRO
    • F04D29/04F04D13/00F04D13/08F04D29/60
    • PROBLEM TO BE SOLVED: To provide a wear detection mechanism of a bearing, applicable to a preceding standby type vertical shaft pump which operates even in a dry state.SOLUTION: A wear detection mechanism includes: a sensor pad 62 arranged to surround a rotary shaft 5; a pad holding member 64 formed of a conductor; sliding members 94 and 96 for movably supporting the pad holding member 64 in a radial direction of the rotary shaft 5; a first electrode 66 and a second electrode 68 facing the pad holding member 64; insulating members 70, 72, and 74 electrically isolating the first electrode 66 and the second electrode 68 from each other; a detent member 100 for limiting rotation of the sensor pad 62 and the pad holding member 64; and a detection circuit 120 for detecting electric conduction between the first electrode 66 and the second electrode 68 through the pad holding member 64.
    • 要解决的问题:提供一种轴承的磨损检测机构,其适用于即使在干燥状态下也工作的前述待机型立式轴泵。解决方案:磨损检测机构包括:传感器垫62,其布置成围绕旋转轴 5; 由导体形成的焊盘保持部件64; 滑动构件94和96,用于沿着旋转轴5的径向可移动地支撑垫保持构件64; 面对衬垫保持构件64的第一电极66和第二电极68; 绝缘构件70,72和74将第一电极66和第二电极68彼此电隔离; 用于限制传感器垫62和垫保持构件64的旋转的制动构件100; 以及用于通过焊盘保持部件64检测第一电极66和第二电极68之间的电导的检测电路120。
    • 8. 发明专利
    • Vertical shaft pump
    • 垂直轴泵
    • JP2009162075A
    • 2009-07-23
    • JP2007340278
    • 2007-12-28
    • Ebara Corp株式会社荏原製作所
    • SATO SHINGOTAKASHIMA MICHIOUCHIDA YOSHIHIRO
    • F04D13/00F04D29/60
    • PROBLEM TO BE SOLVED: To provide a vertical shaft pump not requiring hitting-in of a hook on a body of a pump machine and capable of enhancing maintenance property by facilitating disassembling work of the pump. SOLUTION: The vertical shaft pump is provided with a rotation shaft 6; an impeller 10 connected to the rotation shaft 6; an underwater bearing 12 for supporting rotation of the impeller 10; and a pump casing 2 for storing the rotation shaft 6 and the impeller 10. The pump casing 2 is constituted from a plurality of division bodies 1a, 1b, 3, and on the division bodies 1a, 1b, 3, load receiving parts 25A, 25B, 25C for supporting load of the division bodies are provided. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种垂直轴泵,其不需要在泵机体上敲入钩,并且能够通过促进泵的拆卸工作来提高维护性能。 解决方案:立轴泵设有旋转轴6; 连接到旋转轴6的叶轮10; 用于支撑叶轮10的旋转的水下轴承12; 以及用于容纳旋转轴6和叶轮10的泵壳体2.泵壳体2由多个分割体1a,1b,3构成,在分割体1a,1b,3,3上,负载接收部25A, 提供了用于支撑分割体的负载的25B,25C。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Vertical shaft pump
    • 垂直轴泵
    • JP2010248939A
    • 2010-11-04
    • JP2009096766
    • 2009-04-13
    • Ebara CorpEbara Yoshikura Hydro-Tech Co Ltd株式会社 荏原由倉ハイドロテック株式会社荏原製作所
    • UCHIDA YOSHIHIROSATO KAZUYUKISATO SHINGOTAKASHIMA MICHIOYAMAKAWA YOSHIHIRO
    • F04D29/04F04D13/08
    • PROBLEM TO BE SOLVED: To provide a vertical shaft pump equipped with a wear detection mechanism of a submerged bearing executing reliable wear detection.
      SOLUTION: This vertical pump includes: an impeller 10: a rotary shaft 6 connected to the impeller 10; a pump casing 2 holding the impeller 10 and the rotary shaft 6; the submerged bearings 12, 15 including sliding contact surfaces rotatably supporting the rotary shaft 6; a continuity detector 35 disposed at an outside of the pump casing 2; a pair of conductors 37, 37 disposed adjacently to the submerged bearings 12, 15, and a pair of cables 40, 40 connecting the pair of conductors 37, 37 and the continuity detector 35. Each end part of the pair of conductors 37, 37 is separated from the sliding contact surfaces of the submerged bearings 12, 15 in a radial direction of the rotary shaft 6 by a prescribed distance, and the pair of cables 40, 40 include at least three lead wires 41A, 41B, 41C respectively.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种具有执行可靠的磨损检测的浸没轴承的磨损检测机构的立式轴泵。 解决方案:该立式泵包括:叶轮10:连接到叶轮10的旋转轴6; 保持叶轮10和旋转轴6的泵壳体2; 包括可旋转地支撑旋转轴6的滑动接触表面的浸没轴承12,15; 布置在泵壳体2的外部的连续性检测器35; 与浸没的轴承12,15相邻设置的一对导体37,37以及连接该对导体37,37和连续性检测器35的一对电缆40,40。一对导体37,37的每个端部 在旋转轴6的径向方向上与浸没的轴承12,15的滑动接触表面分开预定距离,并且一对电缆40,40分别包括至少三根引线41A,41B,41C。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Pump test device, pump operation assist device, and pump bearing temperature calculation device
    • 泵测试装置,泵操作辅助装置和泵轴承温度计算装置
    • JP2007092563A
    • 2007-04-12
    • JP2005280477
    • 2005-09-27
    • Ebara Corp株式会社荏原製作所
    • TAKAYAMA EISUKEFUJII MUNETOSHIFUJINO KOTAKASHIMA MICHIO
    • F04B51/00
    • PROBLEM TO BE SOLVED: To provide a pump test device greatly shortening the necessary operation time for a pump to reduce the cost for pump test.
      SOLUTION: A pump test device comprises: a bearing temperature sensor 20 measuring a temperature of a bearing of the pump 10; and an outside air temperature sensor 30 measuring an outside temperature of a place where a pump 20 is installed. The pump test device further comprises: a memory means 50 storing a model expression of the bearing temperature including at least an unknown coefficient, a variable indicating the bearing temperature, and a variable expressing the outside air temperature; and a calculation part 52 assigning the bearing temperature measured by the bearing temperature sensor 20 and the outside air temperature measured by the outside air temperature sensor 30 to the model expression to determine the unknown coefficient, and calculating the bearing temperature thereafter based on the model expression.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种泵测试装置,大大缩短了泵的必要操作时间,以降低泵测试的成本。 泵测试装置包括:测量泵10的轴承的温度的轴承温度传感器20; 以及外部空气温度传感器30,其测量安装泵20的地方的外部温度。 泵测试装置还包括:存储装置50,其存储包括至少未知系数的轴承温度的模型表达式,指示轴承温度的变量和表示外部空气温度的变量; 以及将由轴承温度传感器20测量的轴承温度和由外部空气温度传感器30测量的外部空气温度分配给模型表达式以确定未知系数的计算部分52,并且基于模型表达式计算轴承温度 。 版权所有(C)2007,JPO&INPIT