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    • 1. 发明授权
    • Steam turbine
    • 汽轮机
    • US07056084B2
    • 2006-06-06
    • US10849552
    • 2004-05-20
    • Kohei NaganeKatsuya YamashitaYukio Shinozaki
    • Kohei NaganeKatsuya YamashitaYukio Shinozaki
    • F01D9/02
    • F02C7/16F01D25/14F05D2260/201F05D2260/205F05D2260/2322
    • A steam turbine that can effectively operate with the steam at the higher temperatures, while maintaining the strength of turbine constituent components despite the high steam temperature of the steam is provided. The steam turbine includes a casing, a rotor, a plurality of turbine stages, a steam pass, a nozzle box, and a cover plate. The rotor is rotatably installed in the casing. The turbine stages are disposed in the turbine, at least one of the turbine stages including a turbine nozzle and including a moving blade that is fixed to the rotor. The steam pass includes the turbine stages. The nozzle box is placed in a space between the casing and the rotor for providing a heated steam into the steam pass. The cover plate is arranged along an outer surface of the nozzle box.
    • 蒸汽轮机可以在较高温度下与蒸汽有效地运行,同时保持涡轮机构成部件的强度,尽管提供了蒸汽的高蒸汽温度。 蒸汽轮机包括壳体,转子,多个涡轮级,蒸汽通道,喷嘴箱和盖板。 转子可旋转地安装在壳体中。 涡轮级设置在涡轮机中,涡轮级中的至少一个包括涡轮喷嘴并且包括固定到转子的移动叶片。 蒸汽通道包括涡轮级。 喷嘴箱被放置在壳体和转子之间的空间中,以将加热的蒸汽提供到蒸汽通道中。 盖板沿着喷嘴箱的外表面布置。
    • 2. 发明授权
    • Steam turbine, steam turbine plant and method of operating a steam turbine in a steam turbine plant
    • 蒸汽轮机,蒸汽轮机设备以及在蒸汽轮机设备中操作汽轮机的方法
    • US07003956B2
    • 2006-02-28
    • US10835593
    • 2004-04-30
    • Katsuya YamashitaKohei NaganeYukio Shinozaki
    • Katsuya YamashitaKohei NaganeYukio Shinozaki
    • F01K13/02
    • F01K13/006B22F2998/10F01D25/12F05D2260/2322
    • A steam turbine and steam turbine plant that can utilize a relatively higher reheated steam, such as about 1300 degrees Fahrenheit or higher, is provided. A steam turbine plant includes a steam generator generating high pressure steam and reheated steam, a high pressure turbine driven by the high pressure steam generated by the steam generator, and an intermediate pressure turbine driven by the reheated steam. A steam bleed line coupled with the high pressure turbine bleeds steam from the high pressure turbine as cooling steam. The intermediate pressure turbine includes a heated steam inlet for receiving the reheated steam, and a cooling steam inlet for receiving the cooling steam. The cooling steam cools components of the intermediate pressure turbine that receive the reheated steam. A low pressure turbine is driven by steam discharged from the intermediate pressure turbine, and a condenser condenses steam discharged from the low pressure turbine into water as a condensate. A plurality of feedwater heaters heat the condensate to produce feedwater provided to the steam generator.
    • 提供了可以利用相对更高的再热蒸汽(例如约1300华氏度或更高)的蒸汽轮机和蒸汽轮机设备。 蒸汽轮机设备包括产生高压蒸汽和再热蒸汽的蒸汽发生器,由蒸汽发生器产生的高压蒸汽驱动的高压涡轮机和由再热蒸汽驱动的中压涡轮机。 与高压涡轮机连接的蒸汽泄放管线将来自高压涡轮机的蒸汽作为冷却蒸汽排出。 中压涡轮机包括用于接收再热蒸汽的加热蒸汽入口和用于接收冷却蒸汽的冷却蒸汽入口。 冷却蒸汽冷却接收再加热蒸汽的中压涡轮机的部件。 低压涡轮机由从中压涡轮机排出的蒸汽驱动,冷凝器将从低压涡轮机排出的蒸汽冷凝成冷凝水。 多个给水加热器加热冷凝物以产生提供给蒸汽发生器的给水。
    • 3. 发明申请
    • Steam turbine
    • 汽轮机
    • US20050022527A1
    • 2005-02-03
    • US10849552
    • 2004-05-20
    • Kohei NaganeKatsuya YamashitaYukio Shinozaki
    • Kohei NaganeKatsuya YamashitaYukio Shinozaki
    • F01D25/14F02C7/16F02G3/00
    • F02C7/16F01D25/14F05D2260/201F05D2260/205F05D2260/2322
    • A steam turbine that can effectively operate with the steam at the higher temperatures, while maintaining the strength of turbine constituent components despite the high steam temperature of the steam is provided. The steam turbine includes a casing, a rotor, a plurality of turbine stages, a steam pass, a nozzle box, and a cover plate. The rotor is rotatably installed in the casing. The turbine stages are disposed in the turbine, at least one of the turbine stages including a turbine nozzle and including a moving blade that is fixed to the rotor. The steam pass includes the turbine stages. The nozzle box is placed in a space between the casing and the rotor for providing a heated steam into the steam pass. The cover plate is arranged along an outer surface of the nozzle box.
    • 蒸汽轮机可以在较高温度下与蒸汽有效地运行,同时保持涡轮机构成部件的强度,尽管提供了蒸汽的高蒸汽温度。 蒸汽轮机包括壳体,转子,多个涡轮级,蒸汽通道,喷嘴箱和盖板。 转子可旋转地安装在壳体中。 涡轮级设置在涡轮机中,涡轮级中的至少一个包括涡轮喷嘴并且包括固定到转子的移动叶片。 蒸汽通道包括涡轮级。 喷嘴箱被放置在壳体和转子之间的空间中,以将加热的蒸汽提供到蒸汽通道中。 盖板沿着喷嘴箱的外表面布置。
    • 10. 发明授权
    • Operational amplifier selecting one of inputs, and an amplifying apparatus using the OP amplifier the verification method
    • 运算放大器选择其中一个输入,而放大装置采用OP放大器的验证方法
    • US07518454B2
    • 2009-04-14
    • US10579578
    • 2004-11-16
    • Katsuya Yamashita
    • Katsuya Yamashita
    • H03F3/45
    • H03F3/45475H03F1/3211H03F1/34H03F3/4508H03F3/72H03F2200/111H03F2203/45138H03F2203/45352H03F2203/45512H03F2203/45528H03F2203/45604H03F2203/7203H03F2203/7209
    • A current feedback-type operational amplifier comprising multiple input parts and one output part, wherein each of the multiple input parts comprises a first input terminal, a second input terminal, and an output terminal, the signals input from the first input terminal are buffer amplified and output to the second input terminal, and current is output to the output terminal in an amount corresponding to the current that flows to the second input terminal; the output terminal part comprises an input terminal and an output terminal, signals obtained by adding in terms of current the signals of all of the input parts are input to the input terminal, and the signals input to the input terminal are converted to voltage signals, amplified, and output to the output terminal; and one of the above-mentioned input parts is made effective and the other input parts are made ineffective in response to first external signals, the impedance of the first input terminal, the second input terminal, and the output terminal of the above-mentioned ineffective input parts becomes high and the output current from the above-mentioned output terminal becomes zero.
    • 一种电流反馈型运算放大器,包括多个输入部分和一个输出部分,其中多个输入部分中的每一个包括第一输入端子,第二输入端子和输出端子,从第一输入端子输入的信号被缓冲放大 并输出到第二输入端,电流以对应于流向第二输入端的电流的量输出到输出端; 输出端子部分包括输入端子和输出端子,通过将电流相加而得到的信号将所有输入部分的信号输入到输入端子,输入到输入端子的信号被转换为电压信号, 放大并输出到输出端; 并且使上述输入部分之一变得有效,并且响应于第一外部信号使得其他输入部分无效,上述无效的第一输入端子,第二输入端子和输出端子的阻抗 输入部分变高,并且来自上述输出端子的输出电流变为零。