Fiber optic sensors for gas turbine control
    1.
    发明授权
    Fiber optic sensors for gas turbine control 失效
    用于燃气轮机控制的光纤传感器

    公开(公告)号:US06978074B2

    公开(公告)日:2005-12-20

    申请号:US10446758

    申请日:2003-05-28

    摘要: An apparatus for detecting flashback occurrences in a premixed combustor system having at least one fuel nozzle includes at least one photodetector and at least one fiber optic element coupled between the at least one photodetector and a test region of the combustor system wherein a respective flame of the fuel nozzle is not present under normal operating conditions. A signal processor monitors a signal of the photodetector. The fiber optic element can include at least one optical fiber positioned within a protective tube. The fiber optic element can include two fiber optic elements coupled to the test region. The optical fiber and the protective tube can have lengths sufficient to situate the photodetector outside of an engine compartment. A plurality of fuel nozzles and a plurality of fiber optic elements can be used with the fiber optic elements being coupled to respective fuel nozzles and either to the photodetector or, wherein a plurality of photodetectors are used, to respective ones of the plurality of photodetectors. The signal processor can include a digital signal processor.

    摘要翻译: 一种用于检测具有至少一个燃料喷嘴的预混合燃烧器系统中的闪回发生的装置,包括至少一个光电检测器和耦合在所述至少一个光电检测器与所述燃烧器系统的测试区域之间的至少一个光纤元件,其中, 燃油喷嘴在正常运行条件下不存在。 信号处理器监视光电检测器的信号。 光纤元件可以包括位于保护管内的至少一个光纤。 光纤元件可以包括耦合到测试区域的两个光纤元件。 光纤和保护管可以具有足以将光电探测器放置在发动机室外部的长度。 可以使用多个燃料喷嘴和多个光纤元件,其中光纤元件被耦合到相应的燃料喷嘴,并且耦合到光电检测器,或者使用多个光电检测器到多个光电检测器中的相应的光检测器。 信号处理器可以包括数字信号处理器。

    Fiber optic sensors for gas turbine control
    2.
    发明授权
    Fiber optic sensors for gas turbine control 有权
    用于燃气轮机控制的光纤传感器

    公开(公告)号:US06599028B1

    公开(公告)日:2003-07-29

    申请号:US09328354

    申请日:1999-06-09

    IPC分类号: G02B636

    摘要: An apparatus for detecting flashback occurrences in a premixed combustor system having at least one fuel nozzle includes at least one photodetector and at least one fiber optic element coupled between the at least one photodetector and a test region of the combustor system wherein a respective flame of the fuel nozzle is not present under normal operating conditions. A signal processor monitors a signal of the photodetector. The fiber optic element can include at least one optical fiber positioned within a protective tube. The fiber optic element can include two fiber optic elements coupled to the test region. The optical fiber and the protective tube can have lengths sufficient to situate the photodetector outside of an engine compartment. A plurality of fuel nozzles and a plurality of fiber optic elements can be used with the fiber optic elements being coupled to respective fuel nozzles and either to the photodetector or, wherein a plurality of photodetectors are used, to respective ones of the plurality of photodetectors. The signal processor can include a digital signal processor.

    摘要翻译: 一种用于检测具有至少一个燃料喷嘴的预混合燃烧器系统中的闪回发生的装置,包括至少一个光电检测器和耦合在所述至少一个光电检测器与所述燃烧器系统的测试区域之间的至少一个光纤元件,其中, 燃油喷嘴在正常运行条件下不存在。 信号处理器监视光电检测器的信号。 光纤元件可以包括位于保护管内的至少一个光纤。 光纤元件可以包括耦合到测试区域的两个光纤元件。 光纤和保护管可以具有足以将光电探测器放置在发动机室外部的长度。 可以使用多个燃料喷嘴和多个光纤元件,其中光纤元件被耦合到相应的燃料喷嘴,并且耦合到光电检测器,或者使用多个光电检测器到多个光电检测器中的相应的光检测器。 信号处理器可以包括数字信号处理器。

    Apparatus and method for measuring and selectively adjusting a clearance
    4.
    发明授权
    Apparatus and method for measuring and selectively adjusting a clearance 有权
    用于测量和选择性地调节间隙的装置和方法

    公开(公告)号:US06486487B2

    公开(公告)日:2002-11-26

    申请号:US09781144

    申请日:2001-02-12

    IPC分类号: G01N2186

    摘要: A technique for measuring and selectively adjusting a clearance between a stationary object and desirably a rotating object includes a non-contact, sensing system having a sensor attachable to the stationary object, a mask having a predetermined sized viewport or aperture that sets or limits the sensing or operation of the sensor, and a controller. The sensor is operable for sensing within a field of view a portion of the rotating object and generating a signal in response thereto. The field of view varies in response to varying the clearance between the sensor and the second object. Desirably, the portion of the second object includes a varying pattern. The controller is operable to determine the clearance between the first object and the second object in response to the signal. In another embodiment, sensing system is operable to adjust the clearance by controller providing an electrical current to a resistive heating element in the thermally expandable portion of a plurality of segmented labyrinth seals. The sensing system is also operable to measure vibration of the rotating object.

    摘要翻译: 用于测量和选择性地调节固定物体和期望的旋转物体之间的间隙的技术包括具有附接到静止物体的传感器的非接触式感测系统,具有预定尺寸的视口或孔的掩模,其设定或限制传感 或操作传感器,以及控制器。 传感器可操作用于在视场内感测旋转对象的一部分并响应于此产生信号。 视场响应于传感器和第二物体之间的间隙的变化而变化。 期望地,第二对象的部分包括变化的图案。 控制器可操作以响应于该信号来确定第一物体与第二物体之间的间隙。 在另一个实施例中,感测系统可操作以通过控制器调节间隙,该电流向多个分段迷宫式密封件的热膨胀部分中的电阻加热元件提供电流。 感测系统还可操作以测量旋转物体的振动。

    Fusion attachment of rigid pellicles and/or frames
    6.
    发明授权
    Fusion attachment of rigid pellicles and/or frames 失效
    刚性薄膜和/或框架的融合附件

    公开(公告)号:US06842228B2

    公开(公告)日:2005-01-11

    申请号:US10713504

    申请日:2003-11-14

    申请人: Emily Yixie Shu

    发明人: Emily Yixie Shu

    CPC分类号: G03F1/64 G03B27/62 G03F1/62

    摘要: A rigid pellicle, used to protect a patterned reticle from contamination in a lithographic process in the manufacture of integrated circuits, is attached to a mounting frame by fusing the pellicle and frame together. In one embodiment, an infrared laser beam is used to produce the fusion along the seam between the pellicle and the frame. The frame may also be attached to the reticle through a similar fusion process. In one embodiment, the pellicle, frame, and reticle are all comprised of fused silica.

    摘要翻译: 通过将防护薄膜组件和框架固定在一起,用于在制造集成电路的光刻工艺中保护图案化的掩模版免受污染的刚性防护薄片组件附接到安装框架。 在一个实施例中,使用红外激光束沿着防护薄膜组件和框架之间的接缝产生熔合。 框架也可以通过类似的融合过程附着到掩模版上。 在一个实施例中,防护薄膜组件,框架和掩模版都由熔融二氧化硅构成。

    Fusion attachment of rigid pellicles and/or frames

    公开(公告)号:US06842227B2

    公开(公告)日:2005-01-11

    申请号:US10383017

    申请日:2003-03-06

    申请人: Emily Yixie Shu

    发明人: Emily Yixie Shu

    CPC分类号: G03F1/64 G03B27/62 G03F1/62

    摘要: A rigid pellicle, used to protect a patterned reticle from contamination in a lithographic process in the manufacture of integrated circuits, is attached to a mounting frame by fusing the pellicle and frame together. In one embodiment, an infrared laser beam is used to produce the fusion along the seam between the pellicle and the frame. The frame may also be attached to the reticle through a similar fusion process. In one embodiment, the pellicle, frame, and reticle are all comprised of fused silica.

    Apparatus and method for measuring and selectively adjusting a clearance
    9.
    发明授权
    Apparatus and method for measuring and selectively adjusting a clearance 有权
    用于测量和选择性地调节间隙的装置和方法

    公开(公告)号:US06279400B1

    公开(公告)日:2001-08-28

    申请号:US09268305

    申请日:1999-03-16

    IPC分类号: G01C306

    摘要: A technique for measuring and selectively adjusting a clearance between a stationary object and desirably a rotating object includes a non-contact, sensing system having a sensor attachable to the stationary object, a mask having a predetermined sized viewport or aperture that sets or limits the sensing or operation of the sensor, and a controller. The sensor is operable for sensing within a field of view a portion of the rotating object and generating a signal in response thereto. The field of view varies in response to varying the clearance between the sensor and the second object. Desirably, the portion of the second object includes a varying pattern. The controller is operable to determine the clearance between the first object and the second object in response to the signal. In another embodiment, sensing system is operable to adjust the clearance by controller providing an electrical current to a resistive heating element in the thermally expandable portion of a plurality of segmented labyrinth seals. The sensing system is also operable to measure vibration of the rotating object.

    摘要翻译: 用于测量和选择性地调节固定物体和期望的旋转物体之间的间隙的技术包括具有附接到静止物体的传感器的非接触式感测系统,具有预定尺寸的视口或孔的掩模,其设定或限制传感 或操作传感器,以及控制器。 传感器可操作用于在视场内感测旋转对象的一部分并响应于此产生信号。 视场响应于传感器和第二物体之间的间隙的变化而变化。 期望地,第二对象的部分包括变化的图案。 控制器可操作以响应于该信号来确定第一物体与第二物体之间的间隙。 在另一个实施例中,感测系统可操作以通过控制器调节间隙,该电流向多个分段迷宫式密封件的热膨胀部分中的电阻加热元件提供电流。 感测系统还可操作以测量旋转物体的振动。