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1. 发明授权

US5716468A Process for producing high-and low-pressure integral-type turbine rotor 失效
标题翻译：制造高低压一体式涡轮转子的方法
公开(公告)号：US5716468A
公开(公告)日：1998-02-10
申请号：US576460
申请日：1995-12-21
申请人： Yasuhiko Tanaka , Yasumi Ikeda , Tsukasa Azuma , Masayuki Yamada , Yoichi Tsuda
发明人： Yasuhiko Tanaka , Yasumi Ikeda , Tsukasa Azuma , Masayuki Yamada , Yoichi Tsuda
IPC分类号： F01D5/02 , B23P15/02 , C21D1/18 , C21D1/28 , C21D1/78 , C21D6/00 , C21D9/28 , C21D9/38 , C22C38/00 , C22C38/48 , F01D5/06 , F01D5/28 , C21D8/00
CPC分类号： F01D5/286 , C21D1/78 , C21D6/002 , C21D9/38 , C22C38/48 , C21D1/18 , C21D1/28 , C21D2221/00 , F05D2230/25
摘要： A rotor forging composed of Cr--Mo--V type alloy based on iron is normalizing-treated at a temperature of from 1000 to 1150.degree. C., the temperature is maintained at 650.degree.-750.degree. C. on the way of cooling the temperature from the normalizing-treating temperature to pearlite transform the microstructure of the rotor forging, the portions of the rotor forging corresponding to a high pressure or middle pressure portion are quenched at 940.degree.-1020.degree. C. and the portion corresponding to the low pressure portion is quenched at 850.degree.-940.degree. C. after the heat treatment is carried out at 920.degree.-950.degree. C. once or more times, and the rotor forging is subjected to tempering at 550.degree.-700.degree. C. once or more times. A high creep strength at the high and middle pressure portions can be obtained and, at the same time, the toughness at the low pressure portion is drastically enhanced.
摘要翻译：由铁基的Cr-Mo-V型合金构成的转子锻造在1000〜1150℃的温度下进行标准化处理，在冷却温度的过程中将温度保持在650〜从归一化处理温度向珠光体转变为转子锻造的微观结构，对应于高压或中压部分的转子锻造部分在940-1020℃下淬火，对应于低压部分的部分在920-950℃进行一次或多次热处理后，在850-940℃下淬火，转子锻件在550〜-78℃下回火一次或多次。可以获得高中压部分的高蠕变强度，并且同时，低压部分的韧性显着提高。

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

US5611873A High pressure-low pressure single cylinder turbine rotor and method of making 失效
标题翻译：高压低压单缸汽轮机转子及其制造方法
公开(公告)号：US5611873A
公开(公告)日：1997-03-18
申请号：US413156
申请日：1995-03-29
申请人： Masayuki Yamada , Yoichi Tsuda
发明人： Masayuki Yamada , Yoichi Tsuda
IPC分类号： G11B5/86 , C21D9/38 , C22C38/46 , C21D8/10 , C22C38/44
CPC分类号： C22C38/46 , C21D9/38
摘要： A high pressure-low pressure single cylinder turbine rotor is disclosed which is characterized by being formed of a steel of a composition having, by weight, a C content of from 0.10 to 0.35%, a Si (silicon) content of not more than 0.3% (not including 0%), a Mn (manganese) content of not more than 1.0% (not including 0%), a Ni content of from 1.0 to 2.0%, a Cr (chromium) content of from 1.5 to 3.0%, a Mo content of from 0.9 to 1.3%, a V (vanadium) content of from 0.10 to 0.35%, a Nb (niobium) content of from 0.01 to 0.15%, a W content of from 0.1 to 1.5%, and the balance of Fe (iron) and inevitable impurities, the inevitable impurities having a P content of not more than 0.005%, a S content of not more than 0.001%, an As content of not more than 0.008%, a Sb content of not more than 0.004%, and a Sn content of not more than 0.008%.
摘要翻译：公开了一种高压低压单缸汽轮机转子，其特征在于由具有0.10至0.35重量％的C含量，不大于0.3的Si（硅）含量的组合物的钢形成％（不包括0％），Mn（锰）含量不大于1.0％（不包括0％），Ni含量为1.0至2.0％，Cr（铬）含量为1.5至3.0％ Mo含量为0.9〜1.3％，V（钒）含量为0.10〜0.35％，Nb（铌）含量为0.01〜0.15％，W含量为0.1〜1.5％，余量为 Fe（铁）和不可避免的杂质，P含量不大于0.005％，S含量不大于0.001％，As含量不大于0.008％，Sb含量不大于0.004的不可避免的杂质％，Sn含量不大于0.008％。

6. 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。

7. 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。

8. 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。

9. 发明授权

US06368057B1 Steam turbine 有权
标题翻译：汽轮机
公开(公告)号：US06368057B1
公开(公告)日：2002-04-09
申请号：US09494347
申请日：2000-01-31
申请人： Toru Takahashi , Kenichi Imai , Ryou Oda , Yoichi Tsuda
发明人： Toru Takahashi , Kenichi Imai , Ryou Oda , Yoichi Tsuda
IPC分类号： F01D102
CPC分类号： F01D1/04 , F05D2260/231
摘要： A steam turbine includes a turbine high pressure section, a turbine intermediate pressure section and a turbine low pressure section, in which at least two or more of these pressure sections are combined together, and a turbine rotor which is subjected to a gradient thermal treatment at different thermal treating temperatures at respective pressure sections is rotatably supported by bearings and accommodated in a turbine casing, and in a case where an axial distance from a setting position of a turbine movable blade of a final stage of the turbine low pressure section to a setting position of a partition plate disposed at a time when the gradient thermal treatment is performed to each of the pressure sections at different thermal treating temperature is defined as A, a blade length of the turbine movable blade is defined as B, and an axial distance from a prior stage of the final stage of the turbine low pressure section to the setting position of the partition plate is defined as C, the setting position of the partition plate is set in a range of (A/B)≧0.9 and C≧300 mm.
摘要翻译：蒸汽涡轮机包括涡轮机高压部分，涡轮中间压力部分和涡轮机低压部分，其中这些压力部分中的至少两个或更多个组合在一起，以及涡轮转子，其经受梯度热处理各个压力部分的不同的热处理温度由轴承可旋转地支撑并容纳在涡轮机壳体中，并且在从涡轮机低压部分的最后级的涡轮可动叶片的设定位置到轴向距离的设置将在不同的热处理温度下对每个压力部进行梯度热处理时设置的隔板的位置定义为A，将涡轮机动叶片的叶片长度定义为B，将轴距离涡轮机低压部分的最后阶段到分隔板的设定位置的前一阶段被定义为C，t 分隔板的设定位置设定在（A / B）> 0.9，C> = 300mm的范围内。

10. 发明申请

US20100251713A1 Steam turbine power plant 有权
标题翻译：蒸汽轮机发电厂
公开(公告)号：US20100251713A1
公开(公告)日：2010-10-07
申请号：US11652580
申请日：2007-01-12
申请人： Seiko Takahashi , Ryuichi Ishii , Yoichi Tsuda , Nobuo Okita , Katsuya Yamashita , Yukio Shinozaki , Masafumi Fukuda , Takeo Takahashi
发明人： Seiko Takahashi , Ryuichi Ishii , Yoichi Tsuda , Nobuo Okita , Katsuya Yamashita , Yukio Shinozaki , Masafumi Fukuda , Takeo Takahashi
IPC分类号： F01K23/06 , F01D5/02
CPC分类号： F01K7/16 , C22C19/055 , C22C19/056 , C22C19/058 , C22C30/00 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54
摘要： An intermediate-pressure turbine is divided into a high-temperature, high-pressure side high-temperature, intermediate-pressure turbine section 11a and a low-temperature, low-pressure side low-temperature, intermediate-pressure turbine section 11b, the component members of the high-temperature, intermediate-pressure turbine section 11a are formed of austenitic heat-resistant steels or Ni-based alloys, and the high-temperature, intermediate-pressure turbine section 11a is operated by steam having a temperature of 650° C. or more. Other turbines are mainly formed of ferritic heat-resistant steels. Thus, a steam turbine power plant having high thermal efficiency and being economical can be provided.
摘要翻译：中压涡轮机被分为高温高压侧高温中压涡轮机部分11a和低温低压侧低温中压涡轮机部分11b，部件高温中压涡轮部11a的部件由奥氏体耐热钢或Ni基合金形成，高温中压涡轮部11a由温度为650℃的蒸汽。或者更多。其他涡轮主要由铁素体耐热钢形成。因此，可以提供具有高热效率和经济性的蒸汽轮机发电厂。

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