专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明专利

JP2013136843A Ni-BASED HEAT RESISTANT ALLOY HAVING EXCELLENT SEGREGATION PROPERTY, GAS TURBINE MEMBER AND GAS TURBINE 审中-公开
标题翻译：具有优良隔离性能的耐热合金，燃气涡轮机构和气体涡轮机
公开(公告)号：JP2013136843A
公开(公告)日：2013-07-11
申请号：JP2013040229
申请日：2013-03-01
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SATO JUN , KONNO SHINYA , DOI HIROYUKI
IPC分类号： C22C19/05 , F01D5/06 , F01D25/00 , F02C7/00
摘要： PROBLEM TO BE SOLVED: To provide an Ni-based heat resistant alloy that has excellent high-temperature strength and hardly generates segregation by adjusting the addition amount of segregation elements, thereby having excellent large-sized steel ingot manufacturability, a gas turbine member using the Ni-based heat resistant alloy, and a gas turbine.SOLUTION: The Ni-based heat resistant alloy includes, by mass, 0.001-0.1 mass% of C, 16-22 mass% of Cr, 0.5-1.5 mass% of Al, 0.1-2.0 mass% of Mo, 0.1-6.0 mass% of W, 3.5-5.5 mass% of Nb, 0.8-3.0 mass% Ti, 16-20 mass% of Fe, and the balance being Ni and unavoidable impurities. A parameter Ps represented by a formula (1) and indicating a segregation tendency is in a range of Ps≥-3.5 where the formula (1): Ps=1.05×Al content+0.6×Ti content-0.8×Nb content-0.3×Mo content. Thus, solidification segregation is hardly generated in manufacturing, and an increased size and improved efficiency in a gas turbine can be achieved by using the Ni-based heat resistant alloy as a gas turbine member.
摘要翻译：要解决的问题：为了提供具有优异的高温强度并且通过调节偏析元素的添加量几乎不产生偏析，从而具有优异的大型钢锭可制造性的Ni基耐热合金，使用镍基耐热合金和燃气轮机。解决方案：Ni系耐热合金质量分数为：C：0.001〜0.1质量％，Cr：16〜22质量％，Al：0.5〜1.5质量％ Mo为0.1〜2.0质量％，W为0.1〜6.0质量％，Nb为3.5〜5.5质量％，Ti为0.8〜3.0质量％，Fe为16〜20质量％，余量为Ni及不可避免的杂质。由公式（1）表示的表示偏析倾向的参数Ps在Ps≥-3.5的范围内，式（1）：Ps = 1.05×Al含量+ 0.6×Ti含量-0.8×Nb含量-0.3× Mo含量。因此，在制造中几乎不产生凝固偏析，并且可以通过使用Ni基耐热合金作为燃气轮机部件来实现燃气轮机的增大的尺寸和提高的效率。

52. 发明专利

JP2013105602A Fuel cell stack and fuel cell system 审中-公开
标题翻译：燃料电池堆和燃料电池系统
公开(公告)号：JP2013105602A
公开(公告)日：2013-05-30
申请号：JP2011247959
申请日：2011-11-11
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MIITSU TAKESHI , DOI HIROYUKI , FUJITA AKIRA , HOSONO HIROKI , TSUJI KENTO
IPC分类号： H01M8/24 , H01M8/10
CPC分类号： Y02E60/523
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell stack and a fuel cell system, capable of preventing carbon dioxide dissolved in a collected fuel from clogging a flow channel of a separator without increasing a size of a fuel cell stack, and performing efficiently stable power generation.SOLUTION: The fuel cell stack comprises: a cell laminate 100 having a plurality of laminated layers of power generation cells 80; and a manifold for fuel supply 15a formed by opening an aperture in the cell laminate 100, wherein the manifold for fuel supply 15a discharges a fuel from a vicinity of an uppermost part of the cell laminate 100 and supplies the cell laminate 100 with the fuel.
摘要翻译：解决的问题：提供一种燃料电池堆和燃料电池系统，其能够防止溶解在收集的燃料中的二氧化碳堵塞隔板的流动通道而不增加燃料电池堆的尺寸，并执行有效稳定发电。解决方案：燃料电池堆包括：具有发电单元80的多个层叠层的电池层叠体100; 以及用于通过打开电池层压体100中的孔而形成的用于燃料供应15a的歧管，其中用于燃料供应的歧管15a从电池层压体100的最上部附近排出燃料，并向电池层压体100供应燃料。版权所有（C）2013，JPO＆INPIT

53. 发明专利

JP2012102638A Precipitation hardening martensite based stainless steel and steam turbine member using the same 有权
标题翻译：使用它的降低硬化马氏体不锈钢和蒸汽涡轮机构件
公开(公告)号：JP2012102638A
公开(公告)日：2012-05-31
申请号：JP2010250363
申请日：2010-11-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OIKAWA SHINJI , YODA HIDEO , ARAI MASAHIKO , DOI HIROYUKI
IPC分类号： F01D5/28 , C21D6/00 , C21D9/00 , C21D9/28 , C22C38/00 , C22C38/50 , C22C38/60 , F01D25/00
CPC分类号： C22C38/18 , C21D6/00 , C21D6/004 , C21D6/02 , C21D9/0068 , C21D2211/008 , C22C38/40 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/60
摘要： PROBLEM TO BE SOLVED: To provide a precipitation hardening martensite based stainless steel having well-balanced high levels of mechanical strength, toughness and corrosion resistance, and a steam turbine using the same.SOLUTION: The precipitation-hardening martensite based stainless steel comprises 0.10 mass% or less of C, 13.0 to 15.0 mass% of Cr, 7.0 to 10.0 mass% of Ni, 2.0 to 3.0 mass% of Mo, 0.5 to 2.5 mass% of Ti, 0.5 to 2.5 mass% of Al, 0.5 mass% or less of Si, 0.1 to 1.0 mass% of Mn. The balance includes Fe and incidental impurities.
摘要翻译：要解决的问题：提供具有良好平衡的高机械强度，韧性和耐腐蚀性的沉淀硬化马氏体基不锈钢和使用其的蒸汽轮机。解决方案：沉淀硬化马氏体系不锈钢包含C：0.10质量％以下，Cr：13.0〜15.0质量％，Ni：7.0〜10.0质量％，Mo：2.0〜3.0质量％，Mo：0.5〜2.5质量％，Ti：0.5〜2.5质量％，Si：0.5质量％以下，Mn：0.1〜1.0质量％。余量包括铁和杂质。版权所有（C）2012，JPO＆INPIT

54. 发明专利

JP2011190478A Steam turbine member 有权
标题翻译：蒸汽涡轮机会员
公开(公告)号：JP2011190478A
公开(公告)日：2011-09-29
申请号：JP2010055228
申请日：2010-03-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HARUYAMA HIROSHI , ARAI MASAHIKO , DOI HIROYUKI , IZUMI TAKESHI
IPC分类号： C23C8/14 , C23C8/18 , F01D5/28 , F01D25/00
CPC分类号： C23C8/14 , C22C38/02 , C22C38/04 , C22C38/18 , C22C38/44 , C22C38/46 , C23C8/18 , C23C30/00 , F01D17/18 , F01D25/007 , Y10T428/24355 , Y10T428/265
摘要： PROBLEM TO BE SOLVED: To provide an inexpensive steam turbine member superior in oxidation resistance, without using alloy coating such as thermal spray and a sintered body. SOLUTION: The steam turbine member uses a stainless steel which contains Fe as a main component, 8-15 wt.% Cr and 0.1-1.0 wt.% Mn, as a substrate, and has an oxide film made of oxides of the component elements of the substrate, on the surface of the substrate. The film thickness of the oxide is preferably 1 μm or less. The surface roughness Ra of the oxide film is preferably 1.6a or less. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种廉价的耐氧化性优良的汽轮机构件，而不使用热喷涂和烧结体等合金涂层。解决方案：汽轮机构件使用含有Fe作为主要成分的不锈钢，8-15重量％的Cr和0.1-1.0重量％的Mn作为基材，并且具有由氧化物制成的氧化物膜衬底的组成元素，在衬底的表面上。氧化物的膜厚优选为1μm以下。氧化膜的表面粗糙度Ra优选为1.6μm以下。版权所有（C）2011，JPO＆INPIT

55. 发明专利

JP2011154048A Method for diagnosing remaining life of bolt used under high temperature 有权
标题翻译：用于诊断在高温下使用的螺栓寿命的方法
公开(公告)号：JP2011154048A
公开(公告)日：2011-08-11
申请号：JP2011112554
申请日：2011-05-19
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ARAI MASAHIKO , KOBAYASHI SHINICHI , DOI HIROYUKI , CHIBA HIROAKI , HANEISHI SHUN
IPC分类号： G01M13/00 , G01N3/00
摘要： PROBLEM TO BE SOLVED: To provide a method for diagnosing the remaining lifetime of a bolt which can be applied to a high-alloy bolt having few structural changes due to creep damages, and having accuracy higher than those of conventional types.
SOLUTION: The method for diagnosing the remaining lifetime of the bolt used under high temperatures includes a process for performing a creep test on a bolt material constituting the bolt under diagnose, to determine its lifetime and lifetime extension rate; a process for determining time/temperature parameter from the lifetime and creep test temperature; a process for creating a lifetime diagnosis diagram plotting the time/temperature parameter with respect to the lifetime prolongation rate; a process for measuring the elongation of the bolt under diagnosis, before and after use; and a process for diagnosing the remaining lifetime of the bolt by using the elongation of the bolt under diagnose, before and after use and the lifetime diagnosis diagram.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于诊断螺栓的剩余寿命的方法，其可以应用于由于蠕变损伤而具有很小结构变化的高合金螺栓，并且具有比常规类型更高的精度。解决方案：用于诊断在高温下使用的螺栓的剩余寿命的方法包括在诊断下对构成螺栓的螺栓材料进行蠕变试验的过程，以确定其寿命和寿命延长率; 从寿命和蠕变试验温度确定时间/温度参数的过程; 创建关于寿命延长率绘制时间/温度参数的终身诊断图的过程; 在诊断前，使用前后测量螺栓的伸长率的方法; 以及通过使用螺栓在诊断之前，使用前和使用后的延长来诊断螺栓的剩余寿命的过程和寿命诊断图。版权所有（C）2011，JPO＆INPIT

56. 发明专利

JP2011069307A Steam turbine rotor and steam turbine using the same 审中-公开
标题翻译：蒸汽涡轮转子和蒸汽涡轮使用它
公开(公告)号：JP2011069307A
公开(公告)日：2011-04-07
申请号：JP2009221814
申请日：2009-09-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KONNO SHINYA , DOI HIROYUKI , SATO JUN
IPC分类号： F01D5/06 , B23K9/00 , B23K9/23 , B23K37/08 , B23K103/18 , F01D25/00
CPC分类号： B23K31/02 , B23K2201/001 , B23K2203/18 , B23K2203/26 , F01D5/063 , F01D5/066 , F05C2201/0466 , F05D2300/132
摘要： PROBLEM TO BE SOLVED: To provide a steam turbine rotor and a steam turbine which are highly reliable.
SOLUTION: The steam turbine rotor is characterized in that a forged material B having a hollow structure is joined to a forged material A of a Ni group super-alloy by welding, and weld back waves on an inner surface are removed, and the inner surface is smoothed, and a forging material C and a forging material B are joined to each other with a bolt.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供高可靠性的汽轮机转子和汽轮机。解决方案：蒸汽轮机转子的特征在于具有中空结构的锻造材料B通过焊接与Ni基超合金的锻造材料A接合，并且去除内表面上的焊后反波，内表面平滑化，锻造材料C和锻造材料B用螺栓相互连接。版权所有（C）2011，JPO＆INPIT

57. 发明专利

JP2010106779A Seal structure for steam turbine and steam turbine 审中-公开
标题翻译：蒸汽涡轮机和蒸汽涡轮机的密封结构
公开(公告)号：JP2010106779A
公开(公告)日：2010-05-13
申请号：JP2008280678
申请日：2008-10-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAZAKI HARUYUKI , NARITA KENJIRO , DOI HIROYUKI , KOBAYASHI KEI , TORITANI HATSU
IPC分类号： F01D11/02 , F01D11/08 , F01D25/00 , F16J15/44 , F16J15/447
CPC分类号： F16J15/4472
摘要： PROBLEM TO BE SOLVED: To provide a seal structure for a steam turbine preventing fluctuation of a leakage flow rate of steam even if it is positionally deviated in an axial direction, and having high sealing performance. SOLUTION: In a labyrinth seal device 3c for suppressing the leakage flow rate of steam in a gap provided between a stator blade 2c (a fixed part) of the steam turbine 2 and a rotor 2a (a rotating part), one or both of a fin 3c2 disposed on a seal static body 3c1 equipped in the labyrinth seal device 3c and a fin 2a1 disposed on the rotor 2a is spirally shaped. The spiral shape is formed such that it acts in a direction of sending steam from a low pressure side to a high pressure side by rotation of the rotor 2a. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于汽轮机的密封结构，防止蒸汽的泄漏流量的波动，即使其在轴向上位置偏离并且具有高密封性能。解决方案：在用于抑制在蒸汽轮机2的定子叶片2c（固定部分）和转子2a（旋转部分）之间的间隙中的蒸汽的泄漏流量的迷宫式密封装置3c中，一个或设置在设置在迷宫式密封装置3c中的密封静止体3c1上的翅片3c2和设置在转子2a上的翅片2a1都是螺旋形的。螺旋形状形成为使得其通过转子2a的旋转而将蒸汽从低压侧输送到高压侧的方向起作用。版权所有（C）2010，JPO＆INPIT

58. 发明专利

JP2010065547A Welding type rotor for turbine and its manufacturing method 有权
标题翻译：用于涡轮机的焊接式转子及其制造方法
公开(公告)号：JP2010065547A
公开(公告)日：2010-03-25
申请号：JP2008230399
申请日：2008-09-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KONNO SHINYA , DOI HIROYUKI , SATO JUN
IPC分类号： F01D5/28 , C22C19/05 , F01D25/00 , F02C7/00
摘要： PROBLEM TO BE SOLVED: To make both compatible in strength, ductility and toughness of the whole welding structure, by solving the problem of heat treatment consistency becoming the problem when joining a precipitation hardened Ni base alloy having the useful life temperature of 675°C or higher and ferrite steel.
SOLUTION: A welding type turbine rotor for a steam turbine or a gas turbine is provided by welding-joining or welding-padding a second Ni base alloy to a first Ni base alloy having the solid solution temperature of a γ' phase of 900°C or higher and creep rupture strength at 675°C of 10 MPa or more, and further welding the ferrite steel to the second Ni base alloy, and is characterized in that the second Ni base alloy is a γ' phase (Ni
3 Al) precipitation hardened Ni base alloy, and the solid solution temperature of the γ' phase is 850°C or less, and an adding quantity of Ti, Ta and Nb is substantially zero.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了使整个焊接结构的强度，延展性和韧性兼容，通过解决热处理稠度的问题成为连接使用寿命温度为675的析出硬化Ni基合金的问题 ℃以上和铁素体钢。解决方案：一种用于蒸汽轮机或燃气轮机的焊接式涡轮机转子，通过将第二Ni基合金焊接或焊接到具有γ'相的固溶温度的第一Ni基合金， 900℃以上，675℃下的蠕变断裂强度为10MPa以上，进一步将铁素体与第二Ni基合金进行焊接，其特征在于，第二Ni基合金为γ'相（Ni < SB> 3 Al）沉淀硬化的Ni基合金，γ'相的固溶温度为850℃以下，Ti，Ta，Nb的添加量基本为零。版权所有（C）2010，JPO＆INPIT

59. 发明专利

JP2009138566A Seal structure of steam turbine 有权
标题翻译：蒸汽涡轮机密封结构
公开(公告)号：JP2009138566A
公开(公告)日：2009-06-25
申请号：JP2007313803
申请日：2007-12-04
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NARITA KENJIRO , YAMAZAKI HARUYUKI , DOI HIROYUKI , KOBAYASHI KAZU , TORITANI HAJIME
IPC分类号： F01D11/02 , F01D11/08 , F01D25/00 , F16J15/447
CPC分类号： F01D11/02 , F01D11/001 , F01D11/08 , F05D2220/31 , F05D2250/182 , F05D2300/5024 , F16J15/162 , F16J15/445 , F16J15/4472
摘要： PROBLEM TO BE SOLVED: To provide a seal structure of a steam turbine capable of suppressing transmission of heat to rotating parts, which is generated by friction between the rotating parts and fixed parts even when the rotating parts keep rotating for a long period of time, to suppress the rotating parts from becoming a high temperature.
SOLUTION: A labyrinth seal device 3c suppresses an amount of steam leaked from a clearance formed between fixed vanes 2c (stationary parts) of a steam turbine 2 and rotors 2a (rotating parts). The seal structure of the steam turbine includes an air-permeable spacer 4 made of an air-permeable metal provided to the rotor 2a and a fixed body 3c1 of the seal so as to face a seal fine 3c2 provided to the labyrinth seal device 3c.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够抑制由旋转部件和固定部件之间的摩擦产生的旋转部件的热传递的蒸汽涡轮机的密封结构，即使当旋转部件长时间旋转时的时间，以抑制旋转部件变成高温。解决方案：迷宫式密封装置3c抑制从蒸汽轮机2的固定叶片2c（静止部件）和转子2a（旋转部件）之间形成的间隙泄漏的蒸汽量。蒸汽轮机的密封结构包括设置在转子2a上的透气性金属制的透气性间隔物4和密封件的固定体3c1，以面对设置在迷宫式密封装置3c上的密封件3c2。版权所有（C）2009，JPO＆INPIT

60. 发明专利

JP2009132964A Ni-BASED ALLOY 有权
标题翻译：镍基合金
公开(公告)号：JP2009132964A
公开(公告)日：2009-06-18
申请号：JP2007309637
申请日：2007-11-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SATO JUN , KONNO SHINYA , DOI HIROYUKI
IPC分类号： C22C19/05 , F01D5/28 , F01D25/00 , F02C7/00
摘要： PROBLEM TO BE SOLVED: To provide a γ' precipitation-strengthening type Ni-based alloy which has improved corrosion resistance, heat treatment properties and weldability, while maintaining high strength.
SOLUTION: The Ni-based alloy includes, by mass, 5 to 15% Co, 13 to 15.5% Cr, 4.0 to 5.5% Al, 0.1 to 2.0% Ti, 0.1 to 1.0% Nb, 0.1 to 3.0% Ta, 0.1 to 2.0% Mo, 4.5 to 10% W, 0.1 to 2.0% Hf, 0.05 to 0.20% C, 0.001 to 0.03% B, 0.01 to 0.1% Zr and the balance Ni except unavoidable impurities.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：待解决的问题：为了提供耐腐蚀性，热处理性和焊接性提高的γ'析出强化型Ni系合金，同时保持高强度。解决方案：Ni基合金包括5至15％的Co，13至15.5％的Cr，4.0至5.5％的Al，0.1至2.0％的Ti，0.1至1.0％的Nb，0.1至3.0％的Ta ，0.1〜2.0％的Mo，4.5〜10％的W，0.1〜2.0％的Hf，0.05〜0.20％的C，0.001〜0.03％的B，0.01〜0.1％的Zr，余量即为不可避免的杂质。版权所有（C）2009，JPO＆INPIT

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式