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1. 发明专利

JP2009299528A Turbomachine 审中-公开
标题翻译：涡轮机
公开(公告)号：JP2009299528A
公开(公告)日：2009-12-24
申请号：JP2008153016
申请日：2008-06-11
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAGUCHI KAZUYUKI , MAGARA YOHEI , YOSHIDA TOYOMI , TAKAGI YUKISHI
IPC分类号： F04D29/56 , F01D9/02 , F01D17/16 , F02C7/24 , F02C9/22 , F04D29/66
摘要： PROBLEM TO BE SOLVED: To prevent deterioration of fluid performance during a rated load operation of a turbomachine and to reduce vibration stress to moving blades caused by slip stream of stator blades during partial rotation speed operation. SOLUTION: The turbomachine is equipped with a rotor having a plurality of moving blades extended in the radial direction on its outer periphery, a casing rotatably holding the rotor thereinside and forming a flow passage for leading a fluid to the moving blades to the rotor, and a plurality of variable stator blades distributed in the circumferential direction in the flow passage formed in the casing and in which mounting angles can be changed during the partial rotation speed operation. The variable stator blades are uniformly distributed in the circumferential direction of the casing and the change amount of mounting angles during the partial rotation speed operation are non-uniform. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了防止在涡轮机的额定负载运行期间的流体性能的劣化，并且在部分转速操作期间减少由定子叶片的滑动流引起的对动叶片的振动应力。解决方案：涡轮机配备有转子，转子具有在其外周沿径向方向延伸的多个活动叶片，壳体可旋转地将转子保持在其内部并形成用于将流体引导到活动叶片的流动通道转子，以及在形成于壳体中的流路中在圆周方向上分布的多个可变定子叶片，并且在部分转速操作期间可以改变安装角度。可变定子叶片在壳体的圆周方向上均匀分布，并且部分转速操作期间的安装角度的变化量不均匀。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2007212317A Oscillation monitor device for rotary machine 审中-公开
标题翻译：旋转机振动监测装置
公开(公告)号：JP2007212317A
公开(公告)日：2007-08-23
申请号：JP2006033145
申请日：2006-02-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAGUCHI KAZUYUKI
IPC分类号： G01M99/00 , G01H17/00
摘要： PROBLEM TO BE SOLVED: To provide an oscillation monitor device for a rotary machine, in which abnormalities based on a vibration in small and high-speed rotary machine are detected at an early stage, using an oscillating allowed value established appropriately and which can inhibit breakage of the rotary machine by a rapid oscillating increase at abnormalities. SOLUTION: The oscillating surveillance device for the rotary machine has an oscillation signal receiving means 1 which receives an oscillating signal from a sensor attached in the rotary machine; a vibrational analysis means 2 which analyzes an oscillating amplitude, an oscillating frequency, etc., from the oscillating signal which received here; a vibration analysis value preserving means 3, which conserves the vibration analysis value analyzed with the vibrational analysis means; an allowed value operation means 4 which computes oscillating allowed value, based on the vibrational analysis value, beforehand, conserved for this vibrational analysis value preserving means 3; an allowed value preserving means 5 which conserves computed oscillating allowed value; a comparison determination means 6, which compares with oscillating allowed value oscillating value received and analyzed with the oscillating signal receiving means; and a signal output means 7 which outputs an output signal to a controller based on this comparison result. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于旋转机器的振荡监视装置，其中基于小型和高速旋转机械中的振动的异常在早期被检测到，使用适当建立的振荡允许值，以及哪个可以通过异常的快速振荡增加来抑制旋转机器的破损。解决方案：旋转机械的振荡监视装置具有振动信号接收装置1，其接收来自安装在旋转机器中的传感器的振荡信号; 振动分析装置2，其从这里接收的振荡信号分析振荡幅度，振荡频率等; 振动分析值保持装置3，其保存用振动分析装置分析的振动分析值; 允许值操作装置4，其基于振动分析值预先计算用于该振动分析值保持装置3的振荡允许值; 允许值保存装置5，其保存计算的振荡允许值; 比较确定装置6，与振荡信号接收装置接收和分析的振荡允许值振荡值进行比较; 以及基于该比较结果将输出信号输出到控制器的信号输出装置7。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2005147669A Distributed power source vibration diagnosis system 有权
标题翻译：分布式电源振动诊断系统
公开(公告)号：JP2005147669A
公开(公告)日：2005-06-09
申请号：JP2003380600
申请日：2003-11-11
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAGUCHI KAZUYUKI , TAKAGI YUKISHI , TSUBOUCHI KUNIYOSHI , NAKANO SUSUMU , MOMO SATOSHI
IPC分类号： G01M99/00 , F01D21/14 , F01D25/00 , F02C7/00 , G01H17/00 , G05B23/02 , G01M19/00
摘要： PROBLEM TO BE SOLVED: To estimate a vibration cause of a distributed power source simply with high accuracy. SOLUTION: In this distributed power source vibration diagnosis system, the vibration of equipment constituting the distributed power source 14 is measured to diagnose an abnormality of the distributed power source. A vibration measuring means 1 measures the vibration of the equipment. A determination means 9 determines a vibration abnormality by comparing a measurement signal measured by the vibration measuring means with a reference value determined beforehand. A test operation condition determination means 11 determines automatically a test operation condition based on the determination result by the determination means. An automatic operation means 12 operates automatically the distributed power source in the determined test operation condition. The determination means determines the vibration abnormality based on a vibration state change occurring when the operation condition is changed. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：简单地以高精度估计分布式电源的振动原因。解决方案：在该分布式电源振动诊断系统中，测量构成分布式电源14的设备的振动，以诊断分布式电源的异常。振动测量装置1测量设备的振动。确定装置9通过将由振动测量装置测量的测量信号与预先确定的参考值进行比较来确定振动异常。测试操作条件确定装置11基于确定装置的确定结果自动确定测试操作条件。自动操作装置12在确定的测试操作条件下自动操作分布式电源。确定装置基于当操作条件改变时发生的振动状态变化来确定振动异常。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2003089492A PASSENGER CONVEYOR 审中-公开
公开(公告)号：JP2003089492A
公开(公告)日：2003-03-25
申请号：JP2001282570
申请日：2001-09-18
申请人： HITACHI LTD
发明人： TANAKA EIICHIRO , ONO KOSAKU , TERAMOTO RITSU , ISOYA HITOSHI , ABE YOSHIO , YAMAGUCHI KAZUYUKI , YAMAGUCHI YUKIHIRO , KASHIWAKURA SHINYA
IPC分类号： B66B23/14
摘要： PROBLEM TO BE SOLVED: To provide a passenger conveyor with its width narrowed and with the number of rails reduced. SOLUTION: A front wheel 5 and a rear wheel 6 installed under a step 1 are positioned so that they may be located under a tread 2 within the width of the tread 2 and that the swept paths of the wheels 5, 6 overlap in the direction of width. Guide rails 11, 12 are provided, which serve both wheels 5, 6.

5. 发明专利

JP2002048095A BLADE FOR AXIAL FLOW COMPRESSOR 失效
公开(公告)号：JP2002048095A
公开(公告)日：2002-02-15
申请号：JP2000240367
申请日：2000-08-03
申请人： HITACHI LTD
发明人： YAMAGUCHI KAZUYUKI , ISHII HIROSHI
IPC分类号： F04D29/38 , F04D29/66
摘要： PROBLEM TO BE SOLVED: To provide a blade 6 for an axial flow compressor prevented from damage due to resonance with a fluid vibrating force by selectively increasing a stripe natural frequency 19 of the blade 6 for the axial flow compressor. SOLUTION: In this blade 6 for the axial flow compressor, when a cross section having a maximum thickness 10 smaller than that of a blade tip part 11 cross section is decided to the thickness 10 of the intermediate part 13 in the blade height 12 direction, the stripe natural frequency 19 is increased higher than that of a conventional blade, and consequently, resonance with a fluid vibrating force can be avoided.

6. 发明专利

JP2014152696A Labyrinth seal device, and turbomachine using the same 审中-公开
标题翻译： LABYRINTH SEAL DEVICE，和TURBOMACHINE WITH THE SAME
公开(公告)号：JP2014152696A
公开(公告)日：2014-08-25
申请号：JP2013022802
申请日：2013-02-08
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ENDO AKIRA , YAMAGUCHI KAZUYUKI , NISHIJIMA NORIYO , MURATA KENICHI , KUDO TAKESHI , MAGARA YOHEI , YOSHIDA TOYOMI
IPC分类号： F01D11/02 , F01D11/08
摘要： PROBLEM TO BE SOLVED: To provide a labyrinth seal device capable of effectively reducing a flow in a rotating direction at a labyrinth seal inlet to suppress unstable vibration of a rotating shaft, and reducing generation of vibration by contact with the rotating shaft and abrasion of a seal fin.SOLUTION: A labyrinth seal device 1 having a seal fin 11 disposed on an outer peripheral face of a rotating body and projecting to an outer peripheral side in the radial direction of the rotating body, and a seal ring 13 fixed to a stationary body enclosing the rotating body so as to face the seal fin, includes a projecting portion 14 formed on an inner peripheral face of the seal ring and projecting to an inner peripheral side in the radial direction of the seal ring, a plurality of flow straightening holes 15 formed in the radial direction and the circumferential direction of the projecting portion, penetrating through both axial side wall faces of the projecting portion, and reducing a speed component in the rotating direction of the rotating body, of a leakage flow passing through the holes, and the seal fin 11 disposed in opposition to an inner peripheral face of the projecting portion.
摘要翻译：要解决的问题：提供一种迷宫式密封装置，能够在迷宫式密封入口处有效地减少旋转方向的流动，以抑制旋转轴的不稳定的振动，并且通过与旋转轴的接触减少振动的产生和磨损密封翅片。解决方案：一种迷宫式密封装置1，其具有设置在旋转体的外周面上的突出于旋转体的径向外周侧的密封翅片11，以及固定在静止状态的密封环13 包围旋转体以与密封翅片相对的主体包括形成在密封环的内周面上的突出部分14，并且在密封环的径向方向上突出到内周侧，多个流动矫直孔 15形成在突出部的径向方向和周向上，贯通突出部的两个轴向侧壁面，并且降低速度旋转体的旋转方向的分量，穿过孔的泄漏流以及与突出部的内周面相对配置的密封翅片11。

7. 发明专利

JP2013174192A Turbo machine 有权
标题翻译：涡轮机
公开(公告)号：JP2013174192A
公开(公告)日：2013-09-05
申请号：JP2012039525
申请日：2012-02-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAGUCHI KAZUYUKI , MAGARA YOHEI , YOSHIDA TOYOMI , MURATA KENICHI , KUDO TAKESHI , ENDO AKIRA
IPC分类号： F01D11/02 , F01D5/20 , F01D25/00 , F02C7/28 , F04D29/10 , F16J15/447
CPC分类号： F01D11/02 , F05D2240/126
摘要： PROBLEM TO BE SOLVED: To provide a turbo machine that prevents unstable oscillation of a rotor without increasing a rotor axis length nor causing degradation of sealing performance of a labyrinth seal.SOLUTION: A turbo machine includes: a rotor 3; a stator 5 provided around the rotor 3; and a labyrinth seal 6 with comb-teeth structure provided in a clearance part 11 between the rotor 3 and the stator 5. The labyrinth seal 6 has a plurality of comb teeth 7 that are axially provided along the rotor 3 and protruded from the rotor 3 toward the stator 5, and a turn prevention fin 12 that is secured to the stator 5 at a position facing the comb teeth 7 of a labyrinth seal inlet part 9 of the labyrinth seal.
摘要翻译：要解决的问题：提供一种涡轮机，其防止转子的不稳定振动而不增加转子轴线长度，也不会导致迷宫式密封件的密封性能的劣化。解决方案：涡轮机包括：转子3; 设置在转子3周围的定子5; 以及设置在转子3和定子5之间的间隙部分11中的具有梳齿结构的迷宫式密封件6.迷宫式密封件6具有多个梳齿7，其沿着转子3轴向地设置并且从转子3突出以及在与迷宫式密封件的迷宫式密封件入口部分9的梳齿7相对的位置处固定到定子5的防倾倒片12。

8. 发明专利

JP2012149694A Tilting pad journal bearing device and turbo machine using the same 有权
标题翻译：倾斜垫片轴承装置和涡轮机使用相同
公开(公告)号：JP2012149694A
公开(公告)日：2012-08-09
申请号：JP2011008384
申请日：2011-01-19
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAGUCHI KAZUYUKI , MAGARA YOHEI , YOSHIDA TOYOMI , MURATA KENICHI , ENDO AKIRA , HENMI MAKOTO
IPC分类号： F16C17/03 , F01D25/16
摘要： PROBLEM TO BE SOLVED: To provide a tilting pad journal bearing device which suppresses unstable vibration derived from working fluid force of a turbo machine by increasing the anisotropy of bearing spring constant.SOLUTION: The tilting pad journal bearing device 1 is provided with a pad 3 which is disposed around a rotary shaft 2 and supports the rotary shaft 2, and a bearing housing 4 which houses the pad 3. The tilting pad journal bearing device 1 includes: a load directional pad 3a located in load direction of the rotary shaft 2; pads 3b, 3c provided adjacent thereto in a circumferential direction of the load directional pad 3a. A bump 6 is formed on a pressure receiving surface 5 of the pads 3b, 3c provided adjacent thereto in a circumferential direction of the load directional pad 3a, to enlarge the anisotropy of the bearing spring constant and to suppress unstable vibration derived from the working fluid force of the turbo machine by making the area of the pressure receiving surface 5 supporting the rotary shaft 2 of the load directional pad 3a larger than the area of the pressure receiving surface 5 of the pads 3b, 3c supported in a circumferential direction of the load directional pad 3a.
摘要翻译：要解决的问题：提供一种倾斜垫片轴颈轴承装置，其通过增加轴承弹簧常数的各向异性来抑制来自涡轮机的工作流体力的不稳定振动。解决方案：倾斜轴颈轴承装置1设置有围绕旋转轴2设置并支撑旋转轴2的垫3和容纳垫3的轴承壳体4.倾斜垫轴颈轴承装置 1包括：位于旋转轴2的负载方向上的负载定向垫3a; 在负载方向盘3a的圆周方向上与其相邻设置的垫3b，3c。在负载方向盘3a的圆周方向上与其相邻设置的焊盘3b，3c的受压面5上形成凸起6，使轴承弹簧的各向异性增大，抑制来自工作流体的不稳定振动涡轮机的力通过使承载方向垫3a的旋转轴2的受压面5的面积大于沿负载的圆周方向被支撑的焊盘3b，3c的受压面5的面积方向垫3a。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2011047277A Axial flow turbo-machine 审中-公开
标题翻译：轴流涡轮机
公开(公告)号：JP2011047277A
公开(公告)日：2011-03-10
申请号：JP2009193778
申请日：2009-08-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAGUCHI KAZUYUKI , MAGARA YOHEI , YOSHIDA TOYOMI , TAKAGI YUKISHI , KUROKI HIDETOSHI
IPC分类号： F04D29/38 , F04D19/02 , F04D29/52 , F04D29/66
摘要： PROBLEM TO BE SOLVED: To provide an axial flow turbo-machine capable of reducing vibrational stress by an alternating current of an upstream side blade even to a stripe mode of vibrating the front edge and the rear edge in the same direction.
SOLUTION: For attaining the purpose, in this axial flow turbo-machine for constituting a step by an upstream side blade 5 and a downstream side blade 4, an interval of the alternating current of the upstream side blade 5 viewed in the blade width direction of the blade tip 8 of the downstream side blade 4, is constituted in a range of 0.45-0.55 time to a blade width L of the blade tip 8 of the downstream side blade 4.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过上游侧叶片的交流电流减少振动应力的轴流涡轮机，即使是在相同方向上使前边缘和后边缘振动的条纹模式。解决方案：为了达到这个目的，在用于由上游侧叶片5和下游侧叶片4构成台阶的该轴流涡轮机中，在叶片中观察到上游侧叶片5的交流电流的间隔下游侧叶片4的叶片尖端8的宽度方向构成为下游侧叶片4的叶片顶端8的叶片宽度L的0.45〜0.55倍的范围。版权所有（C）2011 ，JPO＆INPIT

10. 发明专利

JP2008063984A Low pressure steam turbine 有权
标题翻译：低压蒸汽涡轮机
公开(公告)号：JP2008063984A
公开(公告)日：2008-03-21
申请号：JP2006241103
申请日：2006-09-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HAMATAKE HISASHI , SENOO SHIGEKI , SEGAWA KIYOSHI , MITANI TATSUO , YAMAGUCHI KAZUYUKI
IPC分类号： F01D5/24 , F01D5/22 , F01D25/24 , F01K7/40
摘要： PROBLEM TO BE SOLVED: To provide a low pressure steam turbine with a moving blade capable of reducing vibrational stress associated with superimposing of random vibration and flashback vibration, in a large low pressure steam turbine.
SOLUTION: This low pressure steam turbine has a plurality of paragraphs constituted of a stationary blade and the moving blade, and the moving blade in the paragraph is made in a high damping structure of a head end overall peripheral connecting blade structure, etc. in having air bleed holes of steam for feed water heating of a feed water heater immediately before and after one of the paragraphs. Additionally, a steam flow rate of a low pressure steam turbine inlet is increased by more than about 10% of rating or quantity of hot water in the feed water heater is adjusted when pressure of steam in a steam channel reaching the feed water heater from a periphery of the air bleed hole on the side immediately before the moving blade becomes higher than a specified value.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：在大型低压蒸汽轮机中，提供具有能够减少与随机振动和闪回振动叠加相关联的振动应力的移动叶片的低压汽轮机。解决方案：该低压蒸汽轮机具有由固定叶片和动叶片组成的多个段落，并且段落中的动叶片被制成头端整体外围连接叶片结构等的高阻尼结构在其中一个段落之前和之后，在给水加热器的给水加热的蒸汽中具有排气孔。此外，低压汽轮机进气口的蒸汽流量增加了超过约10％的额定值或供水热水器中的热水量，当蒸汽通道中的蒸汽到达给水加热器的压力从在移动叶片之前一侧的排气孔的周边高于规定值。版权所有（C）2008，JPO＆INPIT

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