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公开(公告)号：US11624693B2
公开(公告)日：2023-04-11
申请号：US16912704
申请日：2020-06-25
申请人： En'Urga, Inc.
摘要： A system includes a method and apparatus suitable for measuring planar drop sizes in a liquid spray. Measurement may involve illuminating the spray with multiple lasers and measuring the scattered intensities at several view angles using linear arrays. The system may use inverse calculation of the measured scattered intensity to estimate the local drop sizes across the entire plane in a spray. The system includes radiation detectors containing sensing elements, a lens systems, and analog to digital conversion board to convert scattered intensities to drop sizes. In addition, the system may include choppers including at least two unique filters. The filters may be selectively placed in a path between the spray and the sensing elements. By selectively placing a single array may measure both a scattered intensity and an extinction of laser light emitted from the spray.
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公开(公告)号：US09664567B2
公开(公告)日：2017-05-30
申请号：US14057755
申请日：2013-10-18
申请人： En'Urga, Inc.
CPC分类号： G01J5/0003 , G01J5/061 , G01J5/0806 , G01J5/0834 , G01J5/12 , G01J5/52
摘要： A method and apparatus suitable for measuring temperature of a surface of a segment of a rail using a sensor underneath a moving or a stationary rail car. The measurement is based on intensities of infrared radiation emitted by the surface. The method uses relationships among emissivity, radiation intensity and surface temperature without assuming an emissivity value for the surface. The apparatus comprises radiation detectors containing sensing elements, a lens system, and an analog to digital conversion board to convert radiation intensities to temperature.
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公开(公告)号：US20190219491A1
公开(公告)日：2019-07-18
申请号：US15873575
申请日：2018-01-17
申请人： En'Urga, Inc.
IPC分类号： G01N15/02
CPC分类号： G01N15/0211 , G01N2015/0026 , G01N2015/0046 , G01N2015/0222
摘要： A system includes a method and apparatus suitable for measuring planar drop sizes in a liquid spray. Measurement may involve illuminating the spray with multiple lasers and measuring the scattered intensities at several view angles using linear arrays. The system may use inverse calculation of the measured scattered intensity to estimate the local drop sizes across the entire plane in a spray. The system includes radiation detectors containing sensing elements, a lens systems, and analog to digital conversion board to convert scattered intensities to drop sizes. In addition, the system may include choppers including at least two unique filters. The filters may be selectively placed in a path between the spray and the sensing elements. By selectively placing a single array may measure both a scattered intensity and an extinction of laser light emitted from the spray.
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4.发明授权公开(公告)号：US09459216B2
公开(公告)日：2016-10-04
申请号：US13798403
申请日：2013-03-13
申请人： En'Urga, Inc.
发明人： Yudaya Raju Sivathanu , Jongmook Lim , Ye Mi
CPC分类号： G01N23/04 , G01N9/24 , G01N2223/601 , G01N2223/633 , G01N2223/638
摘要： Method for detecting variations in gas density within a volume surrounded by a closed metal wall opaque to optical light includes a source of x-rays positioned at a selected location outside the closed metal wall. Positioning a detector outside the closed metal wall at a location suitable to detect x-rays from the source passing entirely through a portion of the volume surrounded by the closed metal wall. Providing the detector with a plurality of sensors arranged in at least one row to capture a dimensionally distributed view of detected x-rays. Coupling a processor to an output of the detector to analyze the data which can be displayed in a suitable graphical or pictorial presentation, including processing the data to correct for any beam hardening of the x-rays as they pass through the closed metal wall, to apply the Maximum Likelihood Estimation method to generate on the display a reconstructed image of the gas density, and to use Inverse Radon Transforms for deconvolution. A dopant can be added to enhance the interaction with the x-rays.
摘要翻译： 用于检测由光学不透明的闭合金属壁包围的体积内的气体密度的变化的方法包括位于封闭金属壁外部的选定位置的x射线源。 将检测器定位在闭合的金属壁之外的适合于检测来自源的X射线的位置，其完全通过由闭合的金属壁包围的体积的一部分。 向检测器提供布置在至少一行中的多个传感器以捕获检测到的x射线的尺寸分布的视图。 将处理器耦合到检测器的输出端以分析可以以合适的图形或图形呈现显示的数据，包括处理数据以校正X射线通过闭合金属壁时的任何束硬化，至 应用最大似然估计方法在显示器上产生气体密度的重建图像，并使用逆氡变换进行去卷积。 可以添加掺杂剂以增强与x射线的相互作用。
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公开(公告)号：US20200326268A1
公开(公告)日：2020-10-15
申请号：US16912704
申请日：2020-06-25
申请人： En'Urga, Inc.
IPC分类号： G01N15/02
摘要： A system includes a method and apparatus suitable for measuring planar drop sizes in a liquid spray. Measurement may involve illuminating the spray with multiple lasers and measuring the scattered intensities at several view angles using linear arrays. The system may use inverse calculation of the measured scattered intensity to estimate the local drop sizes across the entire plane in a spray. The system includes radiation detectors containing sensing elements, a lens systems, and analog to digital conversion board to convert scattered intensities to drop sizes. In addition, the system may include choppers including at least two unique filters. The filters may be selectively placed in a path between the spray and the sensing elements. By selectively placing a single array may measure both a scattered intensity and an extinction of laser light emitted from the spray.
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公开(公告)号：US10712251B2
公开(公告)日：2020-07-14
申请号：US15873575
申请日：2018-01-17
申请人： En'Urga, Inc.
摘要： A system includes a method and apparatus suitable for measuring planar drop sizes in a liquid spray. Measurement may involve illuminating the spray with multiple lasers and measuring the scattered intensities at several view angles using linear arrays. The system may use inverse calculation of the measured scattered intensity to estimate the local drop sizes across the entire plane in a spray. The system includes radiation detectors containing sensing elements, a lens systems, and analog to digital conversion board to convert scattered intensities to drop sizes. In addition, the system may include choppers including at least two unique filters. The filters may be selectively placed in a path between the spray and the sensing elements. By selectively placing a single array may measure both a scattered intensity and an extinction of laser light emitted from the spray.
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7.发明申请公开(公告)号：US20130195245A1
公开(公告)日：2013-08-01
申请号：US13798403
申请日：2013-03-13
申请人： EN'URGA, INC.
发明人： Yudaya Raju Sivathanu , Jongmook Lim , Ye Mi
CPC分类号： G01N23/04 , G01N9/24 , G01N2223/601 , G01N2223/633 , G01N2223/638
摘要： Method for detecting variations in gas density within a volume surrounded by a closed metal wall opaque to optical light includes a source of x-rays positioned at a selected location outside the closed metal wall. Positioning a detector outside the closed metal wall at a location suitable to detect x-rays from the source passing entirely through a portion of the volume surrounded by the closed metal wall. Providing the detector with a plurality of sensors arranged in at least one row to capture a dimensionally distributed view of detected x-rays. Coupling a processor to an output of the detector to analyze the data which can be displayed in a suitable graphical or pictorial presentation, including processing the data to correct for any beam hardening of the x-rays as they pass through the closed metal wall, to apply the Maximum Likelihood Estimation method to generate on the display a reconstructed image of the gas density, and to use Inverse Radon Transforms for deconvolution. A dopant can be added to enhance the interaction with the x-rays.
摘要翻译： 用于检测由光学不透明的闭合金属壁包围的体积内的气体密度的变化的方法包括位于封闭金属壁外部的选定位置的x射线源。 将检测器定位在闭合的金属壁之外的适合于检测来自源的X射线的位置，其完全通过由闭合的金属壁包围的体积的一部分。 向检测器提供布置在至少一行中的多个传感器以捕获检测到的x射线的尺寸分布的视图。 将处理器耦合到检测器的输出端以分析可以以合适的图形或图形呈现显示的数据，包括处理数据以校正X射线通过闭合金属壁时的任何束硬化，至 应用最大似然估计方法在显示器上产生气体密度的重建图像，并使用逆氡变换进行去卷积。 可以添加掺杂剂以增强与x射线的相互作用。
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