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公开(公告)号：US06599028B1
公开(公告)日：2003-07-29
申请号：US09328354
申请日：1999-06-09
申请人： Emily Yixie Shu , Dale Marius Brown , Louis Jacob Petrucco , Jeffery Allan Lovett , Wolfgang Daum , Robert John Dunki-Jacobs
发明人： Emily Yixie Shu , Dale Marius Brown , Louis Jacob Petrucco , Jeffery Allan Lovett , Wolfgang Daum , Robert John Dunki-Jacobs
IPC分类号： G02B636
CPC分类号： G02B6/3644 , F23D14/725 , F23D14/82 , F23N5/08 , F23N2031/28 , F23N2041/20 , F23R3/286 , G02B6/3616 , G02B6/3664
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。
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公开(公告)号：US5978525A
公开(公告)日：1999-11-02
申请号：US877341
申请日：1997-06-17
申请人： Emily Yixie Shu , Dale Marius Brown , Louis Jacob Petrucco , Jeffery Allan Lovett , Wolfgang Daum , Robert John Dunki-Jacobs
发明人： Emily Yixie Shu , Dale Marius Brown , Louis Jacob Petrucco , Jeffery Allan Lovett , Wolfgang Daum , Robert John Dunki-Jacobs
CPC分类号： F23N5/08 , F23D14/725 , F23D14/82 , F23R3/286 , F23N2031/28 , F23N2041/20
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.
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公开(公告)号：US06978074B2
公开(公告)日：2005-12-20
申请号：US10446758
申请日：2003-05-28
CPC分类号： G02B6/3644 , F23D14/725 , F23D14/82 , F23N5/08 , F23N2031/28 , F23N2041/20 , F23R3/286 , G02B6/3616 , G02B6/3664
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。
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公开(公告)号：US5955734A
公开(公告)日：1999-09-21
申请号：US933897
申请日：1997-09-19
摘要： A high temperature photocurrent detector circuit including a transimpedance amplifier having multiple stages of gain, and a driver amplifier which generates a driver current that is proportional to the photocurrent flowing through a photocurrent sensor. The voltage source utilizes source voltage wires to generate a supply current that is proportional to the driver current enabling the photocurrent detector circuit to operate as a two wire photocurrent detector circuit.
摘要翻译： 包括具有多级增益的跨阻放大器的高温光电流检测器电路和产生与流过光电流传感器的光电流成正比的驱动电流的驱动放大器。 电压源使用源电压线来产生与驱动电流成比例的电源电流，使得光电流检测器电路能够作为双线光电流检测器电路工作。
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