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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