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1.发明授权
公开(公告)号：US4875170A
公开(公告)日：1989-10-17
申请号：US206924
申请日：1988-05-31
申请人： Shigeo Sakurai , Sadao Umezawa , Saburo Usami , Hiroshi Miyata , Hajime Toriya , Kuniyoshi Tsubouchi , Ryoichi Kaneko
发明人： Shigeo Sakurai , Sadao Umezawa , Saburo Usami , Hiroshi Miyata , Hajime Toriya , Kuniyoshi Tsubouchi , Ryoichi Kaneko
CPC分类号： G01N21/88 , G07C3/00 , G01N2021/8874 , G01N2021/8887 , G01N2201/102
摘要： The life expectancy of a mechanical structure that undergoes repeated loading is estimated by determining the maximum crack length on the surface of the structure. The maximum length of the cracks on the surface of the structure is related to the life ratio of the structure, wherein the life ratio is a ratio of the number of loads the structure has undergone to the number of loads the structure will undergo until failure. An optical system is used to measure the crack length of the cracks on the surface of the structure being inspected. A statistical distribution of greatest length cracks for a sampling of areas within a larger area can be made. Apparatus is provided to statistically process such distribution data to obtain a statistically estimated maximum length crack for the larger area. The maximum crack length determination can be used to estimate the life expectancy of the structure from the relationship between crack length and life ratio.
摘要翻译： 通过确定结构表面上的最大裂纹长度来估计经历重复加载的机械结构的预期寿命。 结构表面上的裂纹的最大长度与结构的寿命比有关，其中寿命比是结构经历的负载数量与结构将经历的负载数量之间的比例。 光学系统用于测量被检结构表面裂缝的裂纹长度。 可以对较大区域内的区域进行采样的最大长度裂缝的统计分布。 提供装置以统计处理这种分布数据以获得用于较大区域的统计估计的最大长度裂纹。 最大裂纹长度确定可用于根据裂纹长度和寿命比的关系来估计结构的预期寿命。
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2.发明授权Method and an apparatus for starting a turbine having a shrinkage-fitted rotor 失效用于启动具有收缩配合转子的涡轮的方法和装置
公开(公告)号：US4688385A
公开(公告)日：1987-08-25
申请号：US694054
申请日：1985-01-23
摘要： A method of starting a turbine having a shrinkage-fitted rotor provided by shrinkage-fitting discs onto a shaft comprises the steps of raising the temperature of the rotor above a predetermined temperature determined from a physical value of the material constituting the rotor and, thereafter, raising the rotational speed of the turbine from the turning speed to the rated speed, whereby the centrifugal stress on raising the speed acts on the discs in a state wherein the value of fracture toughness of the discs fitted on to the shaft has increased.
摘要翻译： 将通过收缩配合盘提供的收缩配合转子的涡轮机起动到轴上的方法包括以下步骤：将转子的温度提高到由构成转子的材料的物理值确定的预定温度以下， 将涡轮机的转速从转速提高到额定速度，由此在安装在轴上的盘的断裂韧性值增加的状态下，提高速度的离心应力作用在盘上。
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公开(公告)号：US08500397B2
公开(公告)日：2013-08-06
申请号：US13396033
申请日：2012-02-14
CPC分类号： F01D11/02 , F01D11/001 , F01D11/08 , F05D2220/31 , F05D2250/182 , F05D2300/5024 , F16J15/162 , F16J15/445 , F16J15/4472
摘要： A seal structure for a steam turbine is provided, which is capable of suppressing transfer of heat generated by a friction between a rotating portion and a fixed portion to the rotating portion and of suppressing an increase in the temperature of the rotating portion. A labyrinth seal device serves to suppress the amount of steam leaking from a clearance present between each stator blade (fixed portion) of the steam turbine and a rotor (rotating portion). The seal structure for the steam turbine is formed to ensure that permeable spacers made of a permeable metal are provided on the rotor and a seal stationary body and face respective seal fins provided in the labyrinth seal device.
摘要翻译： 提供了一种用于蒸汽涡轮机的密封结构，其能够抑制由旋转部分和固定部分之间的摩擦产生的热量转移到旋转部分并抑制旋转部分的温度升高。 迷宫式密封装置用于抑制从蒸汽涡轮机的每个定子叶片（固定部分）和转子（旋转部分）之间存在的间隙泄漏的蒸汽量。 形成蒸汽轮机的密封结构，以确保在转子和密封件固定体上设置由可渗透金属构成的可渗透间隔件，并面对设置在迷宫式密封装置中的相应密封翅片。
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公开(公告)号：US08128351B2
公开(公告)日：2012-03-06
申请号：US12326216
申请日：2008-12-02
CPC分类号： F01D11/02 , F01D11/001 , F01D11/08 , F05D2220/31 , F05D2250/182 , F05D2300/5024 , F16J15/162 , F16J15/445 , F16J15/4472
摘要： A seal structure for a steam turbine is provided, which is capable of suppressing transfer of heat generated by a friction between a rotating portion and a fixed portion to the rotating portion and of suppressing an increase in the temperature of the rotating portion. A labyrinth seal device serves to suppress the amount of steam leaking from a clearance present between each stator blade (fixed portion) of the steam turbine and a rotor (rotating portion). The seal structure for the steam turbine is formed to ensure that permeable spacers made of a permeable metal are provided on the rotor and a seal stationary body and face respective seal fins provided in the labyrinth seal device.
摘要翻译： 提供了一种用于蒸汽涡轮机的密封结构，其能够抑制由旋转部分和固定部分之间的摩擦产生的热量转移到旋转部分并抑制旋转部分的温度升高。 迷宫式密封装置用于抑制从蒸汽涡轮机的每个定子叶片（固定部分）和转子（旋转部分）之间存在的间隙泄漏的蒸汽量。 形成蒸汽轮机的密封结构，以确保在转子和密封件固定体上设置由可渗透金属构成的可渗透间隔件，并面对设置在迷宫式密封装置中的相应密封翅片。
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公开(公告)号：US20090311103A1
公开(公告)日：2009-12-17
申请号：US11917547
申请日：2006-06-09
CPC分类号： C23C4/08 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/52 , C23C4/06 , C23C4/129 , C23C4/18 , C23C30/00 , F01D5/02 , F05D2220/31 , F05D2230/311 , F05D2230/90 , F05D2300/132 , Y10T428/12965 , Y10T428/12979
摘要： A steam turbine rotor shaft and a method of manufacturing the same are provided wherein the sliding characteristics of a journal are improved, and the journal is free from welding cracks and does not need a post heat treatment. The low alloy steel coating layer having a better sliding characteristics than 9 to 13% Cr heat resisting steel and a area rate of defects including pores and oxides in a range of 3 to 15% is formed by a high velocity flame spray coating method on a sliding surface of the journal.
摘要翻译： 提供了一种蒸汽轮机转子轴及其制造方法，其中轴颈的滑动特性得到改善，并且轴颈没有焊接裂纹，并且不需要后热处理。 通过高速火焰喷涂法形成具有比9〜13％Cr耐热钢更好的滑动特性的低合金钢涂层和3〜15％范围内的孔和氧化物的缺陷面积率 杂志的滑动表面。
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6.发明申请Steam turbine blade, and steam turbine and steam turbine power plant using the blade 有权蒸汽轮机叶片，以及使用叶片的汽轮机和汽轮机发电厂公开(公告)号：US20070207034A1
公开(公告)日：2007-09-06
申请号：US11657613
申请日：2007-01-25
申请人： Shuuhei Nogami , Nobuhiro Isobe , Hajime Toriya
发明人： Shuuhei Nogami , Nobuhiro Isobe , Hajime Toriya
IPC分类号： F01D5/30
CPC分类号： F01D5/3007 , F01D5/147 , F01D5/16 , F01D5/225 , F01D5/3053 , F01D5/34 , F05D2220/31 , F05D2230/21 , F05D2240/11
摘要： An object of the invention is to provide a steam turbine blade having a high degree of strength reliability that reduces the stress caused by a steam force acting on a steam turbine blade during the operation of a steam turbine and increases rigidity in the circumferential and axial directions of a turbine rotor to suppress vibration of the steam turbine blade resulting from the steam force, and a steam turbine and a steam turbine power plant using the same.A steam turbine blade includes a blade; a shroud attached to a tip of the blade; a blade root projecting toward the radial inner circumferential side of a turbine rotor so as to be fitted into a blade groove provided in an outer circumferential portion of a turbine rotor; and a platform disposed between the blade and the blade root. The blade root is inserted into the blade groove along the axial direction of the turbine rotor. The blade, the shroud, the blade root and the platform are integrally molded. The number of the blade roots is larger than that of the blades.
摘要翻译： 本发明的目的是提供一种具有高强度可靠性的蒸汽轮机叶片，其减少了在蒸汽涡轮机操作期间作用在汽轮机叶片上的蒸汽力引起的应力，并增加了圆周和轴向的刚性 的涡轮转子，以抑制由蒸汽力产生的蒸气涡轮叶片的振动;以及蒸汽轮机和使用其的蒸汽轮机发电厂。 蒸汽轮机叶片包括叶片; 附接到叶片的尖端的护罩; 叶片根部，其朝向涡轮转子的径向内周侧突出，以配合到设置在涡轮转子的外周部的叶片槽中; 以及设置在叶片和叶片根部之间的平台。 叶片根部沿着涡轮转子的轴向插入叶片槽中。 叶片，护罩，叶片根部和平台是整体模制的。 叶片根数大于叶片根数。
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7.发明授权
公开(公告)号：US5840434A
公开(公告)日：1998-11-24
申请号：US641813
申请日：1996-05-02
申请人： Yoshitaka Kojima , Hideyuki Arikawa , Mitsuo Haginoya , Akira Mebata , Tetsuo Sasada , Hajime Toriya
发明人： Yoshitaka Kojima , Hideyuki Arikawa , Mitsuo Haginoya , Akira Mebata , Tetsuo Sasada , Hajime Toriya
CPC分类号： C23C28/321 , C23C14/022 , C23C14/083 , C23C14/22 , C23C28/00 , C23C28/345 , C23C28/3455 , C23C4/02 , F01D5/28 , F01D5/288 , F05D2300/2112 , F05D2300/2118 , F05D2300/611 , Y02T50/67 , Y02T50/671 , Y10T428/12549 , Y10T428/131 , Y10T428/1317 , Y10T428/25 , Y10T428/2949 , Y10T428/2991 , Y10T428/30
摘要： A ceramic coated heat-resistant element comprises a heat resisting alloy base mainly composed of Ni and/or Co and a heat-resistant coating layer provided on the surface of the base and is characterized in that said heat-resistant coating layer comprises a metal layer of an alloy superior to the base in high-temperature corrosion and oxidation resistance and provided on the base, an Al.sub.2 O.sub.3 ceramic thin film layer provided on the metal layer, a ZrO.sub.2 ceramic coating layer having dense texture provided on the Al.sub.2 O.sub.3 ceramic thin film layer and a ZrO.sub.2 ceramic coating layer having columnar texture provided on the ZrO.sub.2 ceramic coating layer having dense texture cracks are present only in the ZrO.sub.2 ceramic coating layer having columnar texture in the direction of thickness along the boundary of the columns. A mixed layer composed of a metal superior to the base in high-temperature corrosion and oxidation resistance and a ZrO.sub.2 ceramic may be provided between the base and the metal layer.
摘要翻译： 陶瓷涂层耐热元件包括主要由Ni和/或Co组成的耐热合金基体和设置在基体表面上的耐热涂层，其特征在于所述耐热涂层包括金属层 在高温腐蚀和抗氧化性优于基体的合金中，在基体上设置设置在金属层上的Al 2 O 3陶瓷薄膜层，在Al 2 O 3陶瓷薄膜层上提供具有致密纹理的ZrO 2陶瓷涂层，以及 在ZrO 2陶瓷涂层上提供具有致密织构裂纹的柱状结构的ZrO 2陶瓷涂层仅存在于沿着柱边界的厚度方向具有柱状结构的ZrO 2陶瓷涂层中。 在基材和金属层之间可以设置由高温耐腐蚀和抗氧化性优于基材的金属和ZrO 2陶瓷组成的混合层。
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公开(公告)号：US08801373B2
公开(公告)日：2014-08-12
申请号：US12825525
申请日：2010-06-29
申请人： Yoshitaka Kojima , Hideyuki Arikawa , Akira Mebata , Hiroyuki Doi , Hajime Toriya , Kenjiro Narita
发明人： Yoshitaka Kojima , Hideyuki Arikawa , Akira Mebata , Hiroyuki Doi , Hajime Toriya , Kenjiro Narita
CPC分类号： F01D11/02 , C22C19/00 , C22C19/058 , C22C19/07 , C23C4/073 , C23C28/02 , C23C30/00 , F01D11/001 , F01D11/122 , F05D2220/31 , F05D2300/509 , Y10T428/249961 , Y10T428/249974 , Y10T428/249981 , Y10T428/249989
摘要： A metal sealing material used in a sealing device which can reduce a gap between a stator and a rotor of a turbine. The metal sealing material used in a sealing device for a stator and a rotor of a turbine includes a surface layer and a lower layer composed of a porous metal layer, wherein the porosity of the surface layer is smaller than the porosity of the lower layer; the porosity of the surface layer is 60 to 65% and the porosity of the lower layer is 67 to 75% or less; and the porous metal layer has a thickness of 0.3 to 3.0 mm and may include, as a main component, an MCrAlY alloy where M is either one of Ni and Co or both thereof, and h-BN as a solid lubricant.
摘要翻译： 用于密封装置中的金属密封材料，其可以减小定子和涡轮机的转子之间的间隙。 用于定子的密封装置和涡轮机的转子的金属密封材料包括表面层和由多孔金属层构成的下层，其中表面层的孔隙率小于下层的孔隙率; 表面层的孔隙率为60〜65％，下层的孔隙率为67〜75％以下。 多孔金属层的厚度为0.3〜3.0mm，作为主要成分，可以举出M是Ni和Co中的任一种或两者的MCrAlY合金以及作为固体润滑剂的h-BN。
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公开(公告)号：US08591194B2
公开(公告)日：2013-11-26
申请号：US13566382
申请日：2012-08-03
申请人： Yasushi Hayasaka , Hajime Toriya
发明人： Yasushi Hayasaka , Hajime Toriya
IPC分类号： F01D5/14
CPC分类号： F01D5/225 , F01D11/006 , F05D2220/31
摘要： The present invention is a steam turbine rotor blade assembly including: an airfoil; a shroud provided at a tip of the airfoil; a blade root (dovetail) projecting toward a radially internal circumferential side of a turbine rotor and fitted to a root attachment provided on an outer circumferential portion of the turbine rotor; a platform provided between the airfoil and the blade root; a pin provided between the blade root and the root attachment; a bore formed between respective surfaces of the shrouds facing each other and included in the respective adjacent rotor blades; and a bar-like member provided in the bore.
摘要翻译： 本发明是一种汽轮机转子叶片组件，包括：翼型件; 设置在翼型的尖端处的护罩; 叶片根部（燕尾榫），其朝向涡轮机转子的径向内周侧突出并且装配到设置在所述涡轮机转子的外周部分上的根部附件; 设置在翼型件和叶片根部之间的平台; 设置在叶片根部和根部附件之间的销钉; 形成在所述护罩的相对表面之间的孔，所述孔相对于彼此并且包括在相应的相邻转子叶片中; 以及设置在孔中的棒状构件。
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公开(公告)号：US20090142187A1
公开(公告)日：2009-06-04
申请号：US12326216
申请日：2008-12-02
IPC分类号： F01D11/08
CPC分类号： F01D11/02 , F01D11/001 , F01D11/08 , F05D2220/31 , F05D2250/182 , F05D2300/5024 , F16J15/162 , F16J15/445 , F16J15/4472
摘要： A seal structure for a steam turbine is provided, which is capable of suppressing transfer of heat generated by a friction between a rotating portion and a fixed portion to the rotating portion and of suppressing an increase in the temperature of the rotating portion. A labyrinth seal device serves to suppress the amount of steam leaking from a clearance present between each stator blade (fixed portion) of the steam turbine and a rotor (rotating portion). The seal structure for the steam turbine is formed to ensure that permeable spacers made of a permeable metal are provided on the rotor and a seal stationary body and face respective seal fins provided in the labyrinth seal device.
摘要翻译： 提供了一种用于蒸汽涡轮机的密封结构，其能够抑制由旋转部分和固定部分之间的摩擦产生的热量转移到旋转部分并抑制旋转部分的温度升高。 迷宫式密封装置用于抑制从蒸汽涡轮机的每个定子叶片（固定部分）和转子（旋转部分）之间存在的间隙泄漏的蒸汽量。 形成蒸汽轮机的密封结构，以确保在转子和密封件固定体上设置由可渗透金属构成的可渗透间隔件，并面对设置在迷宫式密封装置中的相应密封翅片。
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