公开(公告)号：US06460422B1

公开(公告)日：2002-10-08

申请号：US09699480

申请日：2000-10-31

申请人： Hidehiko Kuroda ,  Shigeru Kanemoto ,  Michio Sato ,  Takuhisa Kondo ,  Makoto Ochiai ,  Hitoshi Sakakida ,  Tatsuo Yamashita ,  Kiyoto Oyagi ,  Shuuichi Umezawa ,  Kazuo Saito ,  Hajime Obikawa

发明人： Hidehiko Kuroda ,  Shigeru Kanemoto ,  Michio Sato ,  Takuhisa Kondo ,  Makoto Ochiai ,  Hitoshi Sakakida ,  Tatsuo Yamashita ,  Kiyoto Oyagi ,  Shuuichi Umezawa ,  Kazuo Saito ,  Hajime Obikawa

IPC分类号： G01L124

CPC分类号： G01L3/12

摘要： A torque measuring device including a light irradiation element for irradiating a light, and a control unit operatively connected to the irradiation element so as to branch the light into a plurality of lights as beams and control a beam diameter of the respective lights so as to irradiate the lights on a surface of a member to be measured. The torque measuring device further includes a plurality of reflectors disposed on the surface of the member to be measured so as to change reflection state of the respective lights, a plurality of detectors for detecting the changes of intensities of the respective reflected lights and generating signals thereof, and a signal processor for processing the generated signals and operating a rotation period on the basis of the generated signals thereby to calculate a torque of the member to be measured.

摘要翻译： 一种扭矩测量装置，包括用于照射光的光照射元件，以及控制单元，其可操作地连接到照射元件，以将光分支成多个光作为光束，并控制各个光束的光束直径以照射 要测量的构件的表面上的灯。 扭矩测量装置还包括多个反射器，其设置在待测量部件的表面上，以便改变各个光的反射状态;多个检测器，用于检测各个反射光的强度变化并产生其信号 以及信号处理器，用于基于所生成的信号来处理所生成的信号并操作旋转周期，从而计算待测量的构件的转矩。

公开(公告)号：US20130247671A1

公开(公告)日：2013-09-26

申请号：US13613398

申请日：2012-09-13

申请人： Kohichi Nakayama ,  Kenji Osaki ,  Hisashi Matsuda ,  Hitoshi Sakakida ,  Toshio Hirano ,  Toshiaki Hirate ,  Sueyoshi Mizuno ,  Ikuo Saito

发明人： Kohichi Nakayama ,  Kenji Osaki ,  Hisashi Matsuda ,  Hitoshi Sakakida ,  Toshio Hirano ,  Toshiaki Hirate ,  Sueyoshi Mizuno ,  Ikuo Saito

IPC分类号： G01N29/12

CPC分类号： G01N29/12 ,  F01D5/16 ,  F01D21/003 ,  F05D2220/31 ,  G01H3/04 ,  G01H3/10

摘要： According to the embodiment, there is provided a blade vibration measuring apparatus, having, a contactless displacement 5 sensor which outputs a displacement measurement signal as measuring a displacement of a turbine moving blade in a rotation axis direction, a blade top position identifying device which outputs a blade top position identification signal to identify a top position based on a distance between the contactless displacement sensor 10 and the top position of the turbine moving blade as receiving the displacement measurement signal output from the contactless displacement sensor, and a blade vibration calculating device which calculates vibration amplitude and a vibration frequency of the turbine moving blade based on temporal variation of the distance 15 between the contactless displacement sensor and the top position of the turbine moving blade as receiving the blade top position identification signal output from the blade top position identifying device.

摘要翻译： 根据本实施方式，提供一种叶片振动测定装置，具有：非旋转位移传感器，其输出作为测量涡轮机动叶片在旋转轴方向上的位移的位移测量信号;叶片顶部位置识别装置，其输出 叶片顶部位置识别信号，用于在接收从非接触位移传感器输出的位移测量信号时基于非接触位移传感器10与涡轮机动叶片的顶部位置之间的距离来识别顶部位置;以及叶片振动计算装置， 基于从叶片顶部位置识别装置输出的叶片顶部位置识别信号，基于非接触位移传感器和涡轮机动叶片的顶部位置之间的距离15的时间变化来计算涡轮机动叶片的振动振幅和振动频率 。

公开(公告)号：US08105023B2

公开(公告)日：2012-01-31

申请号：US11968309

申请日：2008-01-02

申请人： Kazutaka Ikeda ,  Takashi Sasaki ,  Satoru Asai ,  Hitoshi Sakakida ,  Kenji Kamimura ,  Ryohei Ogino ,  Yasushi Ooishi

发明人： Kazutaka Ikeda ,  Takashi Sasaki ,  Satoru Asai ,  Hitoshi Sakakida ,  Kenji Kamimura ,  Ryohei Ogino ,  Yasushi Ooishi

IPC分类号： F01D11/12

CPC分类号： F01D25/246 ,  F01D5/3046 ,  F01D11/001 ,  F01D11/02 ,  F01D11/122 ,  F05D2220/31 ,  F05D2240/55

摘要： A steam turbine has: a casing; a rotor rotatably arranged in the casing; a nozzle diaphragm concentrically arranged with respect to the rotor, the nozzle diaphragm being engaged with the casing; moving blades arranged in circumferential direction on outer circumference of the rotor at positions adjacent to the nozzle diaphragm; seal strips circumferentially extending on tips of the moving blades, the seal strips protruding in radial outward direction; and an abradable structure rigidly connected to the nozzle diaphragm. The abradable structure faces the seal strips in radial direction at a facing surface, and has an abradable part made of an abradable material arranged at the facing surface.

摘要翻译： 蒸汽轮机具有：壳体; 可旋转地布置在壳体中的转子; 相对于转子同心地布置的喷嘴隔膜，喷嘴隔膜与壳体接合; 在与所述喷嘴隔膜相邻的位置处，在所述转子的外周上沿圆周方向配置的动叶片; 密封条在活动叶片的尖端周向延伸，密封条沿径向向外的方向突出; 以及刚性地连接到喷嘴隔膜的可磨损结构。 可磨损结构在面对面处径向地面向密封条，并且具有由布置在相对表面上的可磨损材料制成的可磨损部分。

公开(公告)号：US09057682B2

公开(公告)日：2015-06-16

申请号：US13613398

申请日：2012-09-13

申请人： Kohichi Nakayama ,  Kenji Osaki ,  Hisashi Matsuda ,  Hitoshi Sakakida ,  Toshio Hirano ,  Toshiaki Hirate ,  Sueyoshi Mizuno ,  Ikuo Saito

发明人： Kohichi Nakayama ,  Kenji Osaki ,  Hisashi Matsuda ,  Hitoshi Sakakida ,  Toshio Hirano ,  Toshiaki Hirate ,  Sueyoshi Mizuno ,  Ikuo Saito

IPC分类号： G01N29/12 ,  G01N29/04 ,  G01N29/00 ,  F01D5/16 ,  F01D21/00 ,  G01H3/04 ,  G01H3/10

CPC分类号： G01N29/12 ,  F01D5/16 ,  F01D21/003 ,  F05D2220/31 ,  G01H3/04 ,  G01H3/10

摘要： According to the embodiment, there is provided a blade vibration measuring apparatus, having, a contactless displacement sensor which outputs a displacement measurement signal as measuring a displacement of a turbine moving blade in a rotation axis direction, a blade top position identifying device which outputs a blade top position identification signal to identify a top position based on a distance between the contactless displacement sensor and the top position of the turbine moving blade as receiving the displacement measurement signal output from the contactless displacement sensor, and a blade vibration calculating device which calculates vibration amplitude and a vibration frequency of the turbine moving blade based on temporal variation of the distance between the contactless displacement sensor and the top position of the turbine moving blade as receiving the blade top position identification signal output from the blade top position identifying device.

摘要翻译： 根据本实施方式，提供一种叶片振动测量装置，具有：无级位移传感器，其输出测定涡轮机动叶片沿旋转轴方向的位移的位移测量信号;叶片顶部位置识别装置，其输出 叶片顶部位置识别信号，用于当接收从非接触位移传感器输出的位移测量信号时基于无接触位移传感器和涡轮机动叶片的顶部位置之间的距离来识别顶部位置;以及叶片振动计算装置，其计算振动 基于从叶片顶部位置识别装置输出的叶片顶部位置识别信号，基于非接触位移传感器与涡轮机动叶片的顶部位置之间的距离的时间变化，涡轮机动叶片的振幅和振动频率。

公开(公告)号：US20080175706A1

公开(公告)日：2008-07-24

申请号：US11968309

申请日：2008-01-02

申请人： Kazutaka IKEDA ,  Takashi Sasaki ,  Satoru Asai ,  Hitoshi Sakakida ,  Kenji Kamimura ,  Ryohei Ogino ,  Yasushi Ooishi

发明人： Kazutaka IKEDA ,  Takashi Sasaki ,  Satoru Asai ,  Hitoshi Sakakida ,  Kenji Kamimura ,  Ryohei Ogino ,  Yasushi Ooishi

IPC分类号： F01D11/12

CPC分类号： F01D25/246 ,  F01D5/3046 ,  F01D11/001 ,  F01D11/02 ,  F01D11/122 ,  F05D2220/31 ,  F05D2240/55

摘要： A steam turbine has: a casing; a rotor rotatably arranged in the casing; a nozzle diaphragm concentrically arranged with respect to the rotor, the nozzle diaphragm being engaged with the casing; moving blades arranged in circumferential direction on outer circumference of the rotor at positions adjacent to the nozzle diaphragm; seal strips circumferentially extending on tips of the moving blades, the seal strips protruding in radial outward direction; and an abradable structure rigidly connected to the nozzle diaphragm. The abradable structure faces the seal strips in radial direction at a facing surface, and has an abradable part made of an abradable material arranged at the facing surface.

摘要翻译： 蒸汽轮机具有：壳体; 可旋转地布置在壳体中的转子; 相对于转子同心地布置的喷嘴隔膜，喷嘴隔膜与壳体接合; 在与所述喷嘴隔膜相邻的位置处，在所述转子的外周上沿圆周方向配置的动叶片; 密封条在活动叶片的尖端周向延伸，密封条沿径向向外的方向突出; 以及刚性地连接到喷嘴隔膜的可磨损结构。 可磨损结构在面对面处径向地面向密封条，并且具有由布置在相对表面上的可磨损材料制成的可磨损部分。

公开(公告)号：US20070147990A1

公开(公告)日：2007-06-28

申请号：US11612831

申请日：2006-12-19

申请人： Kenji Kamimura ,  Takashi Sasaki ,  Hitoshi Sakakida ,  Yoichi Tsuda ,  Satoru Asai

发明人： Kenji Kamimura ,  Takashi Sasaki ,  Hitoshi Sakakida ,  Yoichi Tsuda ,  Satoru Asai

IPC分类号： F01D11/08

CPC分类号： F16J15/445

摘要： A sealing device by which the leakage of fluid is further reduced by securely maintaining the adhesion between a base material and an abradable layer and further strengthening the prevention of fluid leakage is provided. The sealing device according to the present invention includes seal strips provided to either one of a rotating portion or a stationary portion forming a gap therebetween; and a coating layer provided to a base material of the rotating portion or the stationary portion so that the coating layer faces the seal strips. The coating layer is composed of an abradable layer and a bond coat layer.

摘要翻译： 提供了通过牢固地保持基材和耐磨层之间的粘合力进一步减少流体泄漏的密封装置，并且进一步加强了防止流体泄漏。 根据本发明的密封装置包括设置在旋转部分或静止部分中的任一个之间形成间隙的密封条; 以及设置在旋转部分或固定部分的基材上的涂层，使得涂层面向密封条。 涂层由可磨损层和粘合涂层组成。