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    • 2. 发明申请
    • SITU BLADE MOUNTED TIP GAP MEASUREMENT FOR TURBINES
    • 用于涡轮机的SITU叶片安装螺栓间隙测量
    • US20150090882A1
    • 2015-04-02
    • US14043913
    • 2013-10-02
    • Forrest R. RuhgeClifford Hatcher, JR.
    • Forrest R. RuhgeClifford Hatcher, JR.
    • G01B21/16G01B11/14
    • G01B21/16F01D21/003F05D2270/80F05D2270/821G01B11/14G01M15/02G01N21/8803
    • Turbine blade tip clearance is measured in a fully assembled turbine casing by mounting a contact or non-contact displacement probe on a turbine blade that generates data indicative of probe distance from the turbine casing that circumferentially surrounds the blade. Variations in probe distance data are recorded as the blade circumferentially sweeps the turbine casing when the turbine is operated in turning gear mode. Blade rotational position data are collected by a rotational position sensor. A data processing system correlates the distance and rotational position data with localized blade tip gap at angular positions about the turbine casing circumference. An optical camera inspection system may be coupled to a turbine blade to obtain visual inspection information within the turbine casing. This method and apparatus provide an accurate and cost effective solution for accessing turbine casing deformation impact on blade tip clearance and rotor/casing alignment.
    • 在完全组装的涡轮机壳体中通过将接触或非接触位移探头安装在涡轮机叶片上来测量涡轮叶片顶端间隙,该涡轮叶片产生指示涡轮机壳体周向围绕叶片的探测距离的数据。 记录探头距离数据的变化,当涡轮机在转向齿轮模式下操作时刀片周向地扫掠涡轮机壳体。 刀片旋转位置数据由旋转位置传感器收集。 数据处理系统将距离和旋转位置数据与围绕涡轮机壳体周边的角位置处的局部叶片尖端间隙相关联。 光学照相机检查系统可以联接到涡轮机叶片以获得涡轮机壳体内的视觉检查信息。 该方法和装置提供了准确和成本有效的解决方案,用于访问涡轮机壳体变形对叶片顶端间隙和转子/壳体对准的影响。
    • 4. 发明申请
    • SYSTEM AND METHOD FOR OPTICAL INSPECTION OF OFF-LINE INDUSTRIAL GAS TURBINES AND OTHER POWER GENERATION MACHINERY WHILE IN TURNING GEAR MODE
    • 离线工业气体涡轮机和其他发电机器在旋转齿轮模式下进行光学检测的系统和方法
    • US20130335549A1
    • 2013-12-19
    • US13971938
    • 2013-08-21
    • Clifford Hatcher, JR.Richard Hatley
    • Clifford Hatcher, JR.Richard Hatley
    • H04N7/18
    • H04N7/18F01D21/003G01N21/954G02B23/2484
    • Internal components of gas and steam turbines are inspected with an optical camera inspection system that is capable of automatically and/or manually positioning the camera field of view (FOV) to an area of interest within the turbine along a pre-designated navigation path and capturing images with or without human intervention. Camera positioning and image capture can be initiated automatically or after receipt of operator permission. The inspection system includes an articulated multi-axis inspection scope with an optical camera that is inserted through a combustor nozzle access port, combustor and transition, so that the camera FOV captures the leading edge of Row 1 rotating turbine blades while the rotor is spinning at up to 1000 RPM. An illumination system strobe light and the camera image capture are synchronized with the blade rotation speed so that images of multiple or all blades may be obtained from a single inspection scope insertion point.
    • 气体和蒸汽涡轮机的内部组件用光学相机检查系统进行检查,该系统能够沿着预先指定的导航路径自动和/或手动将照相机视场(FOV)定位到涡轮内的感兴趣区域并捕获 有或没有人为干预的图像。 相机定位和图像捕获可以自动启动或在收到操作者许可后启动。 检查系统包括铰接式多轴检查镜,其具有通过燃烧器喷嘴入口,燃烧器和过渡部插入的光学摄像机,使得摄像机FOV在转子旋转时捕获行1旋转涡轮叶片的前缘 高达1000 RPM。 照明系统闪光灯和相机图像捕获与刀片旋转速度同步,使得可以从单个检查范围插入点获得多个或所有刀片的图像。
    • 6. 发明申请
    • STANDARDIZED GAS TURBINE INSPECTION PORT SYSTEM
    • 标准气体涡轮检查口系统
    • US20150125267A1
    • 2015-05-07
    • US14070610
    • 2013-11-04
    • Clifford Hatcher, JR.James P. Williams
    • Clifford Hatcher, JR.James P. Williams
    • F01D21/00B23P6/00
    • F01D21/003F01D25/24Y10T29/49238
    • A standardized inspection port system with common inspection port bodies and port plugs are incorporated in plural inspection locations within a gas turbine engine casing to facilitate internal engine inspection. The inspection ports preferably have identical internal diameter, stub flange dimensions and axial length from the gas turbine casing inspection seat to the stub flange for standardized mounting of inspection instruments at different locations about the turbine. The inspection port system components are preferably axially and radially aligned along the turbine casing for establishing a common reference position along all turbine blade/vane rows. The port plug incorporates a magnetically attractive pole piece for concentration or redirection of an attractive magnetic field circuit generated by an inspection port plug service tool during plug insertion or retrieval. Magnetic attraction to a service tool enhances controlled plug guidance and reduces likelihood of inadvertent plug loss within the turbine casing.
    • 在燃气涡轮发动机壳体内的多个检查位置并入有具有通用检查口体和端口塞的标准检查口系统,以便内部发动机检查。 检查口优选地具有相同的内径,短柱法兰尺寸和从燃气涡轮机壳体检查座到柱塞法兰的轴向长度,用于在涡轮机周围的不同位置标准安装检验仪器。 检查端口系统部件优选地沿着涡轮机壳体轴向和径向对准,以沿着所有涡轮机叶片/叶片行建立共同的参考位置。 端口插头包括一个吸引磁极的极片,用于在插头插入或检索期间集中或重定向由检查端口插头服务工具产生的有吸引力的磁场电路。 对服务工具的​​吸引力增强了受控的插头引导,并降低了涡轮机壳体内无意的插头损失的可能性。