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    • 4. 发明授权
    • Repair method for a gas turbine
    • 燃气轮机的修理方法
    • US06546627B1
    • 2003-04-15
    • US09824641
    • 2001-04-04
    • Masaru SekiharaShigeo Sakurai
    • Masaru SekiharaShigeo Sakurai
    • B23P600
    • B23P6/005F01D9/023F05D2250/231F23R3/00F23R3/06Y10T29/49318Y10T29/49323Y10T29/4973
    • A gas turbine has a compressor for compressing air as a working fluid, a combustor for producing combustion gas by mixing fuel with the compressed air, and a turbine for generating a rotating force at the time of expansion of combustion gas. The gas turbine further includes a cylindrical liner; a transition piece for transferring the working fluid from the liner to the turbine; an outlet portion of the transition piece, which has a region parallel with a direction of a rotating shaft of the turbine; cooling holes formed in the region so that longitudinal intervals thereof are lengthened; and a picture frame portion provided to secure stiffness at an outlet of the outlet portion.
    • 燃气轮机具有用于压缩空气作为工作流体的压缩机,用于通过将燃料与压缩空气混合来产生燃烧气体的燃烧器,以及用于在燃烧气体膨胀时产生旋转力的涡轮机。 燃气轮机还包括圆柱形衬套; 用于将工作流体从衬套转移到涡轮机的过渡件; 所述过渡件的出口部分具有与所述涡轮机的旋转轴的方向平行的区域; 在该区域中形成的冷却孔使得其纵向间隔被延长; 以及设置用于确保出口部分的出口处的刚度的相框部分。
    • 7. 发明授权
    • Drive control method for stepping motors
    • 步进电机的驱动控制方法
    • US4523138A
    • 1985-06-11
    • US557547
    • 1983-12-02
    • Shigeo Sakurai
    • Shigeo Sakurai
    • F02D11/10H02P8/22H02K29/04
    • F02D11/10H02P8/22F02D2011/102
    • A drive control method for stepping motors as used in connection with controlling throttle valves for internal combustion engines. A computer controls actuation of the throttle valve in accordance with engine operating conditions and the like, as well as the amount of fuel being injected to the engine. The method includes steps for increasing the response speed of the stepping motor without detracting from its resolution. Instead of predetermined rotation angles, the stepping motor repeatedly actuates in a time period which is determined as the sum of its stationary time after one rotation step, and its stationary time after the following one rotation step. This enables obtaining substantially smaller and hence faster angular displacements of the stepping motor than use of predetermined unit rotation angles.
    • 一种用于与控制内燃机的节流阀结合使用的步进马达的驱动控制方法。 计算机根据发动机的运行条件等来控制节流阀的致动,以及喷射到发动机的燃料量。 该方法包括用于增加步进电机的响应速度而不降低其分辨率的步骤。 代替预定的旋转角度,步进电动机在一个时间段内重复启动,该时间段被确定为其一个旋转步骤之后的其静止时间之和及其后的一个旋转步骤之后的静止时间之和。 与使用预定的单位旋转角度相比,能够获得步进马达的实质上更小且更快的角位移。
    • 8. 发明授权
    • Method and system for diagnosing state of gas turbine
    • 燃气轮机状态诊断方法及系统
    • US07065471B2
    • 2006-06-20
    • US10468204
    • 2001-06-18
    • Jinichiro GotohYasushi HayasakaShigeo SakuraiHiraku Ikeda
    • Jinichiro GotohYasushi HayasakaShigeo SakuraiHiraku Ikeda
    • G06F19/00
    • G05B23/0229F02C7/00F02C9/00F05D2260/80F05D2270/11F05D2270/30F05D2270/44G05B23/0283
    • An operation monitoring unit 11 for acquiring process data from sensors 10 installed to a gas turbine and operation information of the gas turbine; communication units 12, 14 for transmitting each of said two kinds of data on the gas turbine acquired in the operation monitoring unit 11; an analysis server 16 which calculates values of equivalent operating time using each of the two kinds of data obtained through the communication units 12, 14, the value of equivalent operating time evaluating a degree of damage of a diagnosed position for each of a plurality of degradation-and-damage modes, and calculates a value of whole equivalent operating time by adding the values of equivalent operating time for the individual degradation-and-damage modes; and a facility management unit 15 client-server systemized using the analysis server 16 and a WWW browser 20 or WWW server 19 are provided. By acquiring the above-described two kinds of data relating to the gas turbine during operating the gas turbine into the analysis server 16 through the communication units 12, 14, a highly accurate analysis result of damage condition can be speedy obtained from values of equivalent operating time for a plurality of degradation-and-damage modes. Further, it is also possible to provide convenience that a person in a remote site can speedy and easily view the analysis results using the WWW browser 20 through the client server system.
    • 操作监视单元11,用于从安装到燃气轮机的传感器10和燃气轮机的操作信息中获取过程数据; 通信单元12,14,用于在操作监视单元11中获取的燃气轮机上传送所述两种数据中的每一种; 分析服务器16,其使用通过通信单元12,14获得的两种数据中的每一种来计算等效操作时间的值,评估针对多个劣化中的每一个的诊断位置的损伤程度的等效操作时间的值 并且通过将各个退化和损坏模式的等效运行时间的值相加来计算整个等效运行时间的值; 并且提供使用分析服务器16和WWW浏览器20或WWW服务器19系统化的设备管理单元15客户端 - 服务器。 通过通过通信单元12,14将燃气轮机运转到分析服务器16中获取与燃气轮机相关的上述两种数据,可以从等效运行的值快速获得损伤状态的高精度分析结果 多个降级和损坏模式的时间。 此外,还可以通过客户服务器系统提供远程站点中的人可以使用WWW浏览器20快速且容易地查看分析结果的方便。