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1. 发明授权

US06499946B1 Steam turbine rotor and manufacturing method thereof 有权
标题翻译：蒸汽涡轮转子及其制造方法
公开(公告)号：US06499946B1
公开(公告)日：2002-12-31
申请号：US09692179
申请日：2000-10-20
申请人： Masayuki Yamada , Takao Inukai , Masataka Kikuchi , Joji Kaneko , Satoru Asai , Yoichi Tsuda , Ryuichi Ishii , Yomei Yoshioka
发明人： Masayuki Yamada , Takao Inukai , Masataka Kikuchi , Joji Kaneko , Satoru Asai , Yoichi Tsuda , Ryuichi Ishii , Yomei Yoshioka
IPC分类号： F03B104
CPC分类号： C22C38/22 , C22C38/24 , C22C38/44 , C22C38/46 , F01D5/063 , F01D5/28
摘要： A steam turbine rotor having a combination of at least one of a high pressure rotor, an intermediate pressure rotor and a low pressure rotor, which are each formed from a metal material of different chemical composition and welded together by means of welding.
摘要翻译：一种具有高压转子，中压转子和低压转子中的至少一个的组合的汽轮机转子，它们均由不同化学成分的金属材料形成并通过焊接焊接在一起。

2. 发明授权

US06821360B2 Heat-resisting steel, method for thermally treating heat-resisting steel, and components made of heat-resisting steel 有权
标题翻译：耐热钢，耐热钢热处理方法以及由耐热钢制成的部件
公开(公告)号：US06821360B2
公开(公告)日：2004-11-23
申请号：US09725234
申请日：2000-11-29
申请人： Ryuichi Ishii , Yoichi Tsuda , Masayuki Yamada
发明人： Ryuichi Ishii , Yoichi Tsuda , Masayuki Yamada
IPC分类号： C22C3818
CPC分类号： C22C38/32 , C21D1/28 , C21D9/38 , C22C38/001 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28
摘要： A heat-resisting steel comprising 0.15-0.30 wt. % C, 0.05-0.3 wt. % Si, 0.01-0.7 wt. % Mn, 1.8-2.5 wt. % Cr, 0.15-0.23 wt. % V, 1.5-2.5 wt. % W, 0.01-0.02 wt. % Ti, 0.01-0.08 wt. % Nb, 0.005-0.03 wt. % N, 0.001-0.015 wt. % B, and Fe and unavoidable impurities as the remainder; a heat-resisting steel comprising 0.15-0.30 wt. % C, 0.05-0.3 wt. % Si, 0.01-0.7 wt. % Mn, 1.8-2.5 wt. % Cr, 0.15-0.23 wt. % V, 1.5-2.5 wt. % W, 0.3-0.8 wt. % Mo, 0.01-0.02 wt. % Ti, 0.01-0.08 wt. % Nb, 0.005-0.03 wt. % N, 0.001-0.015 wt. % B, and Fe and unavoidable impurities as the remainder; and a heat-resisting steel that is obtained by subjecting one of the above heat-resisting steels to a heat treatment comprising the step of oil-cooling the heat-resisting steel to a temperature of 300° C. or lower. These heat-resisting steels are excellent in both high-temperature strength and impact properties.
摘要翻译：一种耐热钢，其含有0.15-0.30wt。％C，0.05-0.3重量％％Si，0.01-0.7wt。％Mn，1.8-2.5重量％％Cr，0.15-0.23wt。％V，1.5-2.5wt。％W，0.01-0.02wt。％Ti，0.01-0.08wt。％Nb，0.005-0.03wt。％N，0.001-0.015wt。％B，Fe和其余的不可避免的杂质; 包含0.15-0.30重量％的耐热钢。％C，0.05-0.3重量％％Si，0.01-0.7wt。％Mn，1.8-2.5重量％％Cr，0.15-0.23wt。％V，1.5-2.5wt。％W，0.3-0.8wt。％Mo，0.01-0.02wt。％Ti，0.01-0.08wt。％Nb，0.005-0.03wt。％N，0.001-0.015wt。％B，Fe和其余的不可避免的杂质; 以及耐热钢，其通过使上述耐热钢中的一种进行热处理而获得，所述热处理包括将耐热钢的油冷却步骤至300℃或更低的温度。这些耐热钢在高温强度和冲击性方面均优异。

3. 发明授权

US06193469B1 High toughness heat-resistant steel, turbine rotor and method of producing the same 失效
标题翻译：高韧性耐热钢，涡轮转子及其制造方法
公开(公告)号：US06193469B1
公开(公告)日：2001-02-27
申请号：US09046793
申请日：1998-03-24
申请人： Yoichi Tsuda , Ryuichi Ishii , Masayuki Yamada
发明人： Yoichi Tsuda , Ryuichi Ishii , Masayuki Yamada
IPC分类号： F01D528
CPC分类号： C22C38/001 , C21D9/38 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/54 , F01D5/28
摘要： A high toughness heat-resistant steel, a turbine rotor formed of this steel and a method of producing the turbine rotor are described. The heat-resistant steel has a composition consisting essentially of: 0.05 to 0.30 wt % C, 0 to 0.20 wt % Si, 0 to 1.0 wt % Mn, 8.0 to 14.0 wt % Cr, 0.5 to 3.0 wt % Mo, 0.10 to 0.50 wt % V, 2.0 to 5.0 wt % Ni, 0.01 to 0.50 wt % Nb, 0.01 to 0.08 wt % N, 0.001 to 0.020 wt % B, balance Fe and unavoidable impurities. The steel has excellent characteristics in not only tensile strength and toughness at a relatively low temperature condition of a steam turbine such as high/low pressure combined type one but also creep rupture strength at a high temperature condition of this turbine.
摘要翻译：描述了一种高韧性耐热钢，由该钢形成的涡轮转子和制造该涡轮转子的方法。耐热钢的组成主要包括：0.05〜0.30重量％的C，0〜0.20重量％的Si，0〜1.0重量％的Mn，8.0〜14.0重量％的Cr，0.5〜3.0重量％的Mo，0.10〜0.50 重量％V，2.0〜5.0重量％Ni，0.01〜0.50重量％Nb，0.01〜0.08重量％N，0.001〜0.020重量％B，余量为Fe和不可避免的杂质。该钢具有不仅在蒸汽涡轮机的较低温度条件下的拉伸强度和韧性优异，例如高/低压组合型，而且在该涡轮的高温条件下也具有蠕变断裂强度。

4. 发明授权

US5779821A Rotor for steam turbine and manufacturing method thereof 失效
标题翻译：蒸汽轮机转子及其制造方法
公开(公告)号：US5779821A
公开(公告)日：1998-07-14
申请号：US276920
申请日：1994-07-19
申请人： Ryuichi Ishii , Yoichi Tsuda , Masayuki Yamada
发明人： Ryuichi Ishii , Yoichi Tsuda , Masayuki Yamada
IPC分类号： C22C38/00 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/48 , F01D5/28 , C21D8/10 , C22C38/44 , C22C38/46
CPC分类号： C22C38/22 , C22C38/24 , C22C38/26 , F01D5/28
摘要： A rotor for steam turbine rotor made of a heat resistant steel having a composition, which contains 0.05 to 0.3% by weight of C, 8.0 to 13.0% by weight of Cr, 1.0% by weight or less (excluding 0%) of Si, 1.0% by weight or less (excluding 0%) of Mn, 2.0% by weight or less (excluding 0%) of Ni, 0.10 to 0.50% by weight of V, 0.50 to 5.0% by weight of W, 0.025 to 0.10% by weight of N, 1.5% by weight or less excluding 0%) of Mo, at least one element selected from the group consisting of 0.03 to 0.25% by weight of Nb and 0.03 to 0.50% by weight of Ta, 0 to 3% of Re, 0 to 5.0% by weight of Co, 0 to 0.05% by weight of B and the balance of Fe and inevitable impurities, and having a ferrite/martensite structure.
摘要翻译：一种蒸汽涡轮转子的转子，其由耐热钢制成，其组成为：含有0.05〜0.3重量％的C，8.0〜13.0重量％的Cr，1.0重量％以下（不含0％）的Si， 1.0重量％以下（不包括0％）的Mn，2.0重量％以下（不含0％）的Ni，0.10〜0.50重量％的V，0.50〜5.0重量％的W，0.025〜0.10重量％的N，1.5重量％以下，不含0％）的Mo，选自0.03〜0.25重量％的Nb和0.03〜0.50重量％的Ta中的至少一种元素，0〜3重量％的Co，0〜5.0重量％的Co，0〜0.05重量％的B，余量由Fe和不可避免的杂质构成，具有铁素体/马氏体组织。

5. 发明授权

US5560788A Heat resisting steels 失效
标题翻译：耐热钢
公开(公告)号：US5560788A
公开(公告)日：1996-10-01
申请号：US461404
申请日：1995-06-05
申请人： Masayuki Yamada , Yoichi Tsuda , Ryuichi Ishii , Eiji Maeda , Tsukasa Azuma
发明人： Masayuki Yamada , Yoichi Tsuda , Ryuichi Ishii , Eiji Maeda , Tsukasa Azuma
IPC分类号： C22C38/00 , C22C38/22 , C22C38/30 , C22C38/54 , C22C38/18
CPC分类号： C22C38/30 , C22C38/22
摘要： A heat resisting steels comprising, on percentage by weight basis, 0.05 to 0.2% of C, not more than 1.0% of Ni, 9 to 13% of Cr, 0.05 to 1% of Mo, 0.05 to 0.3% of V, 1 to 3% of W, 1 to 5% of Co, 0.01 to 0.1% of N, at least one member selected from 0.01 to 0.15% of Nb, 0.01 to 0.15% of Ta, 0.003 to 0.03% of a rare earth element, 0.003 to 0.03% of Ca and 0.003 to 0.03% of B, and the remainder of Fe and unavoidable impurities have enhanced high temperature characteristics and are suitable for use in parts of turbine such as turbine rotors, turbine blades, turbine disks and bolts.
摘要翻译：一种耐热钢，其以重量％计含有0.05％至0.2％的C，不超过1.0％的Ni，9至13％的Cr，0.05至1％的Mo，0.05至0.3％的V，1至 3％的W，1〜5％的Co，0.01〜0.1％的N，选自0.01〜0.15％的Nb，0.01〜0.15％的Ta，0.003〜0.03％的稀土元素，0.003 至0.03％的Ca和0.003〜0.03％的B，其余的Fe和不可避免的杂质具有提高的高温特性，并且适用于涡轮机的部件，例如涡轮转子，涡轮叶片，涡轮盘和螺栓。

6. 发明授权

US06494970B1 Heat resistant steel casting and method of manufacturing the same 有权
标题翻译：耐热铸钢及其制造方法
公开(公告)号：US06494970B1
公开(公告)日：2002-12-17
申请号：US09721977
申请日：2000-11-27
申请人： Ryuichi Ishii , Yoichi Tsuda , Masayuki Yamada
发明人： Ryuichi Ishii , Yoichi Tsuda , Masayuki Yamada
IPC分类号： C22C3822
CPC分类号： C22C38/46 , C21D1/18 , C21D6/002 , C21D6/02 , C21D2211/003 , C21D2211/004 , C22C38/001 , C22C38/44 , C22C38/54
摘要： Disclosed is a heat resistant steel casting, comprising C, 0.15-0.3%, Si, 0.1-0.30%, Mn, 0.01-0.1%, Cr, 2.0-2.5%, Mo, 0.3-0.8%, V, 0.23-0.3%, W, 1.6-2.6%, N, 0.005-0.03%, B, 0.001-0.004%, impurity elements including Ni not larger than 0.2%, P not larger than 0.03% and S not larger than 0.01%, B equivalent determined by B+0.5N given below being not larger than 0.02%, Mo equivalent determined by Mo+0.5W given below falling within a range of between 1.4% and 2.0%, and C equivalent determined by C+Mn/6+Si/24+Ni/40+Cr/5+Mo/14+V/14 given below being not smaller than 0.65%, and balance of iron wherein a precipitated phase consisting of a M23C6 carbide, a M7C3 carbide, and MX carbonitride is a texture finely precipitated in a matrix phase, and a ratio of the precipitated phase to the matrix phase falls within a range of between 0.6% and 1.0%.
摘要翻译：公开了一种耐热钢铸件，包括C：0.15-0.3％，Si，0.1-0.30％，Mn，0.01-0.1％，Cr，2.0-2.5％，Mo，0.3-0.8％，V，0.23-0.3％，W为1.6-2.6％，N为0.005-0.03％，B为0.001-0.004％，包含Ni不大于0.2％的杂质元素，P不大于0.03％，S不大于0.01％，B等价物由以下给出的B + 0.5N不大于0.02％，由Mo + 0.5W确定的Mo当量在1.4％至2.0％之间的范围内，C等于由C + Mn / 6 + Si / 24 + 下面给出的Ni / 40 + Cr / 5 + Mo / 14 + V / 14不小于0.65％，其中由M23C6碳化物，M7C3碳化物和MX碳氮化物组成的沉淀相的余量为精细沉淀的织构在基质相中，析出相与基体相的比例在0.6％〜1.0％的范围内。

7. 发明申请

US20100158682A1 NI-BASED ALLOY FOR A CASTING PART OF A STEAM TURBINE WITH EXCELLENT HIGH TEMPERATURE STRENGTH, CASTABILITY AND WELDABILITY, TURBINE CASING OF A STEAM TURBINE,VALVE CASING OF A STEAM TURBINE, NOZZLE BOX OF A STEAM TURBINE, AND PIPE OF A STEAM TURBINE 审中-公开
标题翻译：用于具有优异的高温强度，可焊性和焊接性的蒸汽涡轮机的铸造部件的基于镍的合金，蒸汽涡轮机的涡轮机，蒸汽涡轮机的阀门，蒸汽涡轮的喷嘴和蒸汽涡轮的管道
公开(公告)号：US20100158682A1
公开(公告)日：2010-06-24
申请号：US12633468
申请日：2009-12-08
申请人： Kuniyoshi NEMOTO , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Shigekazu Miyashita , Takeo Suga , Takeo Takahashi , Kazutaka Ikeda
发明人： Kuniyoshi NEMOTO , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Shigekazu Miyashita , Takeo Suga , Takeo Takahashi , Kazutaka Ikeda
IPC分类号： F01D25/24 , F01D9/02 , F01D25/00 , C22C19/05
CPC分类号： C22C19/056 , C22C19/055
摘要： A Ni-based alloy for a casting part of a steam turbine having excellent high temperature strength, castability and weldability includes, in percentage by mass, 0.01 to 0.15 of C, 18 to 28 of Cr, 10 to 15 of Co, 8 to 12 of Mo, 1.5 to 2 of Al, 0.1 to 3 of Ti, 0.001 to 0.006 of B, 0.1 to 0.7 of Ta, and the balance of Ni plus unavoidable impurities.
摘要翻译：具有优异的高温强度，浇铸性和焊接性的汽轮机的铸造部件用Ni基合金，以质量计含有C：0.01〜0.15，Cr：18〜28，Co：10〜15，Co：8〜12 的Mo，1.5〜2的Al，0.1〜3的Ti，0.001〜0.006的B，0.1〜0.7的Ta，余量的Ni加上不可避免的杂质。

8. 发明申请

US20090074584A1 NICKEL-BASED ALLOY FOR TURBINE ROTOR OF STEAM TURBINE AND TURBINE ROTOR OF STEAM TURBINE 审中-公开
标题翻译：用于涡轮机的涡轮转子和蒸汽轮机的涡轮转子的基于镍的合金
公开(公告)号：US20090074584A1
公开(公告)日：2009-03-19
申请号：US12210475
申请日：2008-09-15
申请人： Kuniyoshi Nemoto , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Reki Takaku , Takeo Suga , Masafumi Fukuda , Kenichi Okuno , Akihiro Takakuwa
发明人： Kuniyoshi Nemoto , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Reki Takaku , Takeo Suga , Masafumi Fukuda , Kenichi Okuno , Akihiro Takakuwa
IPC分类号： B64C27/46 , C22C19/05
CPC分类号： C22C19/056 , C22C19/055 , F01D5/28 , F05C2201/0466 , F05D2220/31
摘要： A Nickel-based alloy for a turbine rotor of a steam turbine contains C: 0.01 to 0.15, Cr: 18 to 28, Co: 10 to 15, Mo: 8 to 12, Al: 1.5 to 2, Ti: 0.1 to 0.6, B: 0.001 to 0.006, Ta: 0.1 to 0.7 in % by weight, and the remaining portion is composed of Ni and unavoidable impurities. The Nickel-based alloy is composed of the above-stated chemical composition range, and thereby, a mechanical strength improves while maintaining forgeability as same as a conventional steel.
摘要翻译：用于汽轮机的涡轮转子的镍基合金含有C：0.01〜0.15，Cr：18〜28，Co：10〜15，Mo：8〜12，Al：1.5〜2，Ti：0.1〜0.6， B：0.001〜0.006，Ta：0.1〜0.7重量％，剩余部分由Ni和不可避免的杂质构成。镍基合金由上述化学组成范围组成，从而与现有的钢一样保持锻造性，同时提高机械强度。

9. 发明授权

US08828313B2 Ni-base alloy for turbine rotor of steam turbine and turbine rotor of steam turbine 有权
标题翻译：蒸汽轮机的涡轮转子和蒸汽轮机的涡轮转子的镍基合金
公开(公告)号：US08828313B2
公开(公告)日：2014-09-09
申请号：US12403884
申请日：2009-03-13
申请人： Kuniyoshi Nemoto , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Reki Takaku , Shigekazu Miyashita , Takeo Suga , Takeo Takahashi , Kenichi Okuno , Akihiro Takakuwa
发明人： Kuniyoshi Nemoto , Kiyoshi Imai , Yomei Yoshioka , Masayuki Yamada , Reki Takaku , Shigekazu Miyashita , Takeo Suga , Takeo Takahashi , Kenichi Okuno , Akihiro Takakuwa
IPC分类号： C22C19/05
CPC分类号： C22C19/056 , C22C19/055 , F01D5/02 , F05C2201/0466 , F05D2220/31 , F05D2300/502
摘要： An Ni-base alloy for a turbine rotor of a steam turbine contains in percent by weight C: 0.01 to 0.15, Cr: 15 to 28, Co: 10 to 15, Mo: 8 to 12, Al: 1.5 to 2, Ti: 0.1 to 0.6, B: 0.001 to 0.006, Re: 0.5 to 3, and the balance of Ni and unavoidable impurities.
摘要翻译：蒸汽轮机的涡轮转子用Ni基合金含有C：0.01〜0.15，Cr：15〜28，Co：10〜15，Mo：8〜12，Al：1.5〜2，Ti： 0.1〜0.6，B：0.001〜0.006，Re：0.5〜3，余量由Ni和不可避免的杂质构成。

10. 发明授权

US09034121B2 Low alloy steel for geothermal power generation turbine rotor, and low alloy material for geothermal power generation turbine rotor and method for manufacturing the same 有权
标题翻译：地热发电用转子用低合金钢，地热发电用转子用低合金材料及其制造方法
公开(公告)号：US09034121B2
公开(公告)日：2015-05-19
申请号：US13448770
申请日：2012-04-17
申请人： Satoru Ohsaki , Kazuhiro Miki , Tsukasa Azuma , Koji Kajikawa , Shigeru Suzuki , Masayuki Yamada , Itaru Murakami , Kenichi Okuno , Liang Yan , Reki Takaku , Akihiro Taniguchi , Tetsuya Yamanaka , Makoto Takahashi , Kenichi Imai , Osamu Watanabe , Joji Kaneko
发明人： Satoru Ohsaki , Kazuhiro Miki , Tsukasa Azuma , Koji Kajikawa , Shigeru Suzuki , Masayuki Yamada , Itaru Murakami , Kenichi Okuno , Liang Yan , Reki Takaku , Akihiro Taniguchi , Tetsuya Yamanaka , Makoto Takahashi , Kenichi Imai , Osamu Watanabe , Joji Kaneko
IPC分类号： C22C38/46 , C21D6/00 , C22C38/58 , C22C38/44 , C21D7/13 , C21D1/25 , C21D1/28
CPC分类号： C22C38/58 , C21D1/25 , C21D1/28 , C21D7/13 , C22C38/44 , C22C38/46
摘要： A low alloy steel ingot contains from 0.15 to 0.30% of C, from 0.03 to 0.2% of Si, from 0.5 to 2.0% of Mn, from 0.1 to 1.3% of Ni, from 1.5 to 3.5% of Cr, from 0.1 to 1.0% of Mo, and more than 0.15 to 0.35% of V, and optionally Ni, with a balance being Fe and unavoidable impurities. Performing quality heat treatment including a quenching step and a tempering step to the low alloy steel ingot to obtain a material, which has a grain size number of from 3 to 7 and is free from pro-eutectoid ferrite in a metallographic structure thereof, and which has a tensile strength of from 760 to 860 MPa and a fracture appearance transition temperature of not higher than 40° C.
摘要翻译：低合金钢锭含有0.15〜0.30％的C，0.03〜0.2％的Si，0.5〜2.0％的Mn，0.1〜1.3％的Ni，1.5〜3.5％的Cr，0.1〜1.0 的Mo，以及大于0.15至0.35％的V，以及任选的Ni，余量为Fe和不可避免的杂质。对低合金钢锭进行包括淬火步骤和回火步骤的质量热处理，以获得其金相组织中晶粒数为3至7并且不含共析铁素体的材料，并且其中拉伸强度为760〜860MPa，断裂外观转变温度为40℃以下。

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