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    METHOD AND APPARATUS FOR MONITORING COMBUSTION PROPERTIES IN AN INTERIOR OF A BOILER
    1.
    发明申请
    METHOD AND APPARATUS FOR MONITORING COMBUSTION PROPERTIES IN AN INTERIOR OF A BOILER 审中-公开
    监测锅炉内部燃烧性能的方法和设备

    公开(公告)号：WO2010080892A2

    公开(公告)日：2010-07-15

    申请号：PCT/US2010/020345

    申请日：2010-01-07

    Applicant: ZOLO TECHNOLOGIES, INC. ,  ESTES, Michael John ,  SAPPEY, Andrew D. ,  HOFVANDER, Henrik ,  MOLITORIS, Allen ,  MASTERSON, Bernard Patrick ,  HUANG, Pei

    Inventor： ESTES, Michael John ,  SAPPEY, Andrew D. ,  HOFVANDER, Henrik ,  MOLITORIS, Allen ,  MASTERSON, Bernard Patrick ,  HUANG, Pei

    IPC: F23N5/08 ,  G01N21/00 ,  F24H9/20

    CPC classification number: G01N21/84 ,  F23M5/08 ,  F23N5/082 ,  G01B11/27 ,  G01N21/39

    Abstract: A method of monitoring combustion properties in an interior of a boiler of the type having walls comprising a plurality of parallel steam tubes separated by a metal membrane. First and second penetrations are provided in the metal membrane between adjacent tubes on opposite sides of the boiler. A beam of light is projected through a pitch optic comprising a pitch collimating lens and a pitch relay lens, both residing outside the boiler interior. The pitch relay lens projects the beam through a penetration into the boiler interior. The beam of light is received with a catch optic substantially identical to the pitch optic residing outside the boiler interior. The strength of the collimated received beam of light is determined. At least one of the pitch collimating lens and the catch collimating lens may then be aligned to maximize the strength of the collimated received beam.

    Abstract translation: 一种监测锅炉内部的燃烧性能的方法，所述锅炉具有包括多个由金属膜隔开的平行蒸汽管的壁。 在锅炉相对侧的相邻管之间的金属膜中提供第一和第二穿孔。 光束投射通过包括俯仰准直透镜和俯仰中继透镜的俯仰光学部件，所述俯仰光学部件都位于锅炉内部之外。 俯仰中继透镜将射束穿透进入锅炉内部。 光束通过与位于锅炉外部之外的节距光学器件基本相同的捕获光学器件接收。 准直的接收光束的强度被确定。 然后可以对准俯仰准直透镜和捕捉准直透镜中的至少一个，以最大化准直的接收光束的强度。

    IN SITU OPTICAL PROBE AND METHODS
    2.
    发明申请
    IN SITU OPTICAL PROBE AND METHODS 审中-公开

    公开(公告)号：WO2009061586A3

    公开(公告)日：2009-05-14

    申请号：PCT/US2008/079935

    申请日：2008-10-15

    Applicant: ZOLO TECHNOLOGIES, INC. ,  SAPPEY, Andrew D. ,  HOFVANDER, Henrik

    Inventor： SAPPEY, Andrew D. ,  HOFVANDER, Henrik

    IPC: F02K3/10 ,  G01M15/14 ,  G01N21/25 ,  F02K9/96

    Abstract: An apparatus for measuring combustion properties within a measurement area comprises an elongate housing having a housing wall, the elongate housing having a distal end. A transmitting and receiving optic pair resides within the distal end of the housing and optically communicates with a sensing region outside the housing. A reflective surface is cantilevered from the distal end of the housing to define the sensing region therebetween. The reflective surface is configured to reflect a beam in optical communication from the transmitting optic to the receiving optic through the sensing region. Also disclosed is a method of measuring a combustion property within a select zone of a measurement area.

    MITIGATION OF OPTICAL SIGNAL NOISE USING A MULTIMODE TRANSMIT FIBER
    5.
    发明申请
    MITIGATION OF OPTICAL SIGNAL NOISE USING A MULTIMODE TRANSMIT FIBER 审中-公开
    使用多模发射光纤减轻光信号噪声

    公开(公告)号：WO2011019755A1

    公开(公告)日：2011-02-17

    申请号：PCT/US2010/045077

    申请日：2010-08-10

    Applicant: ZOLO TECHNOLOGIES, INC. ,  MASTERSON, Bernard Patrick ,  HOWELL, James ,  HOFVANDER, Henrik ,  SAPPEY, Andrew D.

    Inventor： MASTERSON, Bernard Patrick ,  HOWELL, James ,  HOFVANDER, Henrik ,  SAPPEY, Andrew D.

    IPC: F02C7/22

    CPC classification number: F02C7/00 ,  F23N5/003 ,  F23N2025/16 ,  F23N2041/20 ,  G01N21/39 ,  G01N2021/4709 ,  G01N2201/084 ,  Y02T50/67

    Abstract: An apparatus and methods for measuring combustion parameters in the measurement zone of a gas turbine engine. The measurement zone is defined as being between an outer casing and an engine component having a reflecting surface inside the outer casing. The apparatus comprises a laser generating a transmitting beam of light of a select wavelength and a multimode transmitting fiber optically coupled to the laser. A transmitting optic is optically coupled to the multimode optical fiber for transmitting the beam into the measurement zone. The reflecting surface is configured to provide a Lambertian reflection. A receiving optic is positioned to receive the Lambertian reflection. Means are provided in operative association with the multimode transmitting fiber for averaging modal noise induced signal level variation of light propagating within the multimode transmitting fiber.

    Abstract translation: 一种用于测量燃气涡轮发动机的测量区域中的燃烧参数的装置和方法。 测量区域被定义为在外壳和在外壳内具有反射表面的发动机部件之间。 该装置包括产生选择波长的发射光束的激光器和与该激光器光耦合的多模发送光纤。 传输光学器件光耦合到多模光纤以将光束传输到测量区域中。 反射表面被配置为提供朗伯反射。 接收光学器件被定位成接收朗伯反射。 提供与多模发射光纤操作关联的装置，用于平均在多模发送光纤内传播的光的模态噪声感生信号电平变化。

    METHOD AND APPARATUS FOR MONITORING GASES IN FLUID TANKS
    7.
    发明申请
    METHOD AND APPARATUS FOR MONITORING GASES IN FLUID TANKS 审中-公开
    用于监测流体气体的方法和装置

    公开(公告)号：WO2008103837A1

    公开(公告)日：2008-08-28

    申请号：PCT/US2008/054600

    申请日：2008-02-21

    Applicant: ZOLO TECHNOLOGIES, INC. ,  HOFVANDER, Henrik ,  SAPPEY, Andrew D.

    Inventor： HOFVANDER, Henrik ,  SAPPEY, Andrew D.

    IPC: G08B21/12 ,  G08B19/00

    CPC classification number: G01N33/2841

    Abstract: A method and apparatus for detecting the presence of a gas associated with fluid residing in a tank. The method includes transmitting radiation at a wavelength corresponding to that of a predetermined spectral absorption line of the gas into a space associated with a tank containing gas associated with a liquid. The transmitted radiation is then detected and analyzed. The apparatus includes a laser producing radiation at a wavelength corresponding to that of a predetermined spectral absorption line of the gas and plurality of pitch/catch optic pairs, each pair being configured to transmit radiation therebetween through a headspace of a tank. The laser is optically coupled to the pitch optics and a detector is optically coupled to each catch optic.

    Abstract translation: 一种用于检测与驻留在罐中的流体相关联的气体的存在的方法和装置。 该方法包括将与气体的预定光谱吸收谱线相对应的波长的辐射传输到与包含与液体相关联的气体的罐相关联的空间中。 然后检测和分析透射辐射。 该装置包括激光产生波长对应于气体和多个俯仰/捕获光学对的预定光谱吸收线的波长的辐射，每对被配置成通过罐的顶部空间透射辐射。 激光器光学耦合到俯仰光学器件，并且检测器光耦合到每个捕捉光学器件。

    METHOD AND APPARATUS FOR VERIFICATION OF TDLAS SYSTEM OPERATION
    8.
    发明申请
    METHOD AND APPARATUS FOR VERIFICATION OF TDLAS SYSTEM OPERATION 审中-公开
    用于验证TDLAS系统操作的方法和设备

    公开(公告)号：WO2017180297A1

    公开(公告)日：2017-10-19

    申请号：PCT/US2017/023392

    申请日：2017-03-21

    Applicant: ZOLO TECHNOLOGIES, INC.

    Inventor： GILTNER, Dave ,  SAPPEY, Andrew D.

    IPC: G01N21/39 ,  B01D53/34 ,  B01D53/56 ,  B01D53/74 ,  B01D53/94 ,  F23N5/00

    Abstract: Sensing of gas species characteristics within a process chamber includes selectively projecting a beam of a first select lasing frequency therethough. The beam is optically coupled to a detector to detect a process transmission spectrum having an absorption dip at a select lasing frequency caused by a gas species characteristic. The beam is selectively projected through a fiber Bragg grating which is formed in an optical fiber core to partially reflect at least a portion of the beam of the first select lasing frequency while passing a remainder of the beam. The remainder of the beam has an FBG transmission spectrum mimicking the absorption dip at or near the select lasing frequency caused by a gas species characteristic of interest. It is optically coupled the detector. Outputs of the detector are monitored to compare the FBG transmission spectrum to any process transmission spectrum produced in the process chamber.

    Abstract translation: 处理室内的气体种类特性的感测包括选择性地投射具有第一选择激光频率的光束。 光束光耦合到检测器以检测在由气体种类特性引起的选择激光频率处具有吸收倾角的工艺透射光谱。 光束被选择性地投射通过形成在光纤芯中的光纤布拉格光栅，以部分地反射第一选择激光频率的光束的至少一部分，同时通过光束的其余部分。 光束的其余部分具有模拟由感兴趣的气体种类特性引起的选择激光频率处或附近的吸收下降的FBG透射光谱。 它与检测器光学耦合。 监测探测器的输出，将FBG透射光谱与处理室内产生的任何过程透射光谱进行比较。

    TDLAS ARCHITECTURE FOR WIDELY SPACED WAVELENGTHS
    9.
    发明申请
    TDLAS ARCHITECTURE FOR WIDELY SPACED WAVELENGTHS 审中-公开
    TDLAS建筑用于宽空间波长

    公开(公告)号：WO2016105704A1

    公开(公告)日：2016-06-30

    申请号：PCT/US2015/061387

    申请日：2015-11-18

    Applicant: ZOLO TECHNOLOGIES, INC.

    Inventor： SAPPEY, Andrew D. ,  MASTERSON, Bernard Patrick

    IPC: G02B6/00

    CPC classification number: G01N21/39 ,  B01D53/30 ,  F23N5/00 ,  G01N2021/399 ,  G01N2201/0833 ,  G02B6/04 ,  G02B6/3598 ,  G02B6/3624 ,  G02B6/3672 ,  G02B6/40 ,  G02B6/4292

    Abstract: A system for widely spaced wavelength tunable diode laser absorption spectroscopy includes at least a first and second tunable diode laser generating laser light at a first and second wavelength, wherein laser light of the first and second wavelengths cannot co-propagate efficiently on the same single-mode fiber. A first fiber may be configured to carry light in the first wavelength, and a second fiber configured to carry light in the second wavelength. A fiber bundle may be formed from the distal ends of the first and second fibers stripped of their respective coatings, and arranged with their claddings adjacent to each other. One or more pitch heads are configured to project respective beams of laser light from the fiber bundle through a measurement zone. One or more catch heads located across the measurement zone receive the respective beams and direct the respective beams onto at least one sensor.

    Abstract translation: 用于广泛间隔的波长可调二极管激光吸收光谱的系统包括至少第一和第二可调谐二极管激光器，其产生第一和第二波长的激光，其中第一和第二波长的激光不能有效地共同传播在相同的单相波长上， 模式光纤。 第一光纤可以被配置为携带第一波长的光，而第二光纤被配置为携带第二波长的光。 纤维束可以从剥离其各自涂层的第一和第二纤维的远端形成，并且以它们的包层彼此相邻的方式布置。 一个或多个音调头被配置成将来自光纤束的各个激光束投射通过测量区域。 跨越测量区域的一个或多个捕获头接收相应的光束并将相应的光束引导到至少一个传感器上。

    ALL-FIBER ARCHITECTURE FOR AN EMBEDDED FLIGHT SENSOR FOR AEROPROPULSION APPLICATIONS
    10.
    发明申请
    ALL-FIBER ARCHITECTURE FOR AN EMBEDDED FLIGHT SENSOR FOR AEROPROPULSION APPLICATIONS 审中-公开

    公开(公告)号：WO2008054429A3

    公开(公告)日：2008-05-08

    申请号：PCT/US2006/060931

    申请日：2006-11-15

    Applicant: ZOLO TECHNOLOGIES, INC. ,  SAPPEY, Andrew D. ,  MASTERSON, Bernard Patrick

    Inventor： SAPPEY, Andrew D. ,  MASTERSON, Bernard Patrick

    IPC: G06F17/00

    Abstract: An embedded flight sensor system having a laser and one or more flight sensors in optical communication with the laser plus a data processing device in optical communication with the flight sensors. The flight sensors may be laser based optical components such as a fiber Bragg grating in combination with an optical detector, a spectroscopy grating and detector or an optical detector associated with catch optics. The parameters sensed by the flight sensors may be used to determine any flight parameter. Representative flight parameters include but are not limited to an airframe or external surface temperature, airstream velocity, combustion zone temperature, engine inlet temperature, a gas concentration or a shock front position.

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