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公开(公告)号：US10481002B2
公开(公告)日：2019-11-19
申请号：US14342811
申请日：2012-09-28
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Masako Yamada , Sandip Maity , Sameer Dinkar Vartak , Rajesh Langoju , Abhijit Patil
IPC: G01N21/45 , G01J3/28 , G01N21/25 , G01N21/55 , G01N21/552
Abstract: A system for detecting an array of samples having detectable samples and at least one reference sample is provided. The system comprises an electromagnetic radiation source, a sensing surface comprising a plurality of sample fields, wherein the plurality of sample fields comprise at least one reference field, a phase difference generator configured to introduce differences in pathlengths of one or more samples in the array of samples, and an imaging spectrometer configured to image one or more samples in the array of samples.
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公开(公告)号：US20170104311A1
公开(公告)日：2017-04-13
申请号：US14995558
申请日：2016-01-14
Applicant: General Electric Company
Inventor： Sandip Maity , Ying Zhou , David Peter Robinson , Gamal Refai-Ahmed
Abstract: Provided is a laser system that includes a laser head having a laser holder configured to house a laser beam and a lens for reflecting the laser beam at a predetermined wavelength, and a thermal-mechanical adjustment device disposed on the laser head and configured to adjust a temperature and an alignment of the laser beam, to maintain the predetermined wavelength of the laser beam.
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公开(公告)号：US09500580B1
公开(公告)日：2016-11-22
申请号：US14730417
申请日：2015-06-04
Applicant: General Electric Company
Inventor： Chayan Mitra , Narendra Digamber Joshi , Vinayak Tilak , Gordon Raymond Smith , Eric YuHang Fung , Sandip Maity , Rachit Sharma , Steven Keith Handelsman
IPC: G01N21/3504 , G02B27/14 , G01N21/85
CPC classification number: G01N21/3504 , G01N21/85 , G01N33/0037 , G01N33/004 , G01N33/0054 , G01N2021/3129 , G01N2021/8578 , G02B27/141
Abstract: A gas detector and method are presented. The gas detector includes a launcher unit for coupling and merging light beams in mid-infrared and infrared wavelength ranges into a single light beam and directing the merged single light beam towards a gas flow path; a receiver unit for generating at least one photo detector current signal based on the light beam transmitted through the gas flow path; and a control unit for processing at least one photo detector current signal to measure concentration of the at least two gases present in the gas flow path.
Abstract translation: 提出了一种气体检测器和方法。 气体检测器包括用于将中红外和红外波长范围内的光束耦合并合并成单个光束并将合并的单个光束导向气体流动通道的发射单元; 接收器单元，用于基于透过气体流路的光束产生至少一个光电检测器电流信号; 以及控制单元，用于处理至少一个光电检测器电流信号，以测量气流路径中存在的至少两种气体的浓度。
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公开(公告)号：US10741998B2
公开(公告)日：2020-08-11
申请号：US14995558
申请日：2016-01-14
Applicant: General Electric Company
Inventor： Sandip Maity , Ying Zhou , David Peter Robinson , Gamal Refai-Ahmed
IPC: G02B13/00 , G02B3/00 , H01S5/06 , H01S5/00 , H01S5/024 , G01N21/31 , H01S5/022 , H01S5/02 , H01S5/068 , H01S5/34
Abstract: Provided is a laser system that includes a laser head having a laser holder configured to house a laser beam and a lens for reflecting the laser beam at a predetermined wavelength, and a thermal-mechanical adjustment device disposed on the laser head and configured to adjust a temperature and an alignment of the laser beam, to maintain the predetermined wavelength of the laser beam.
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公开(公告)号：US09869634B2
公开(公告)日：2018-01-16
申请号：US14837052
申请日：2015-08-27
Applicant: General Electric Company
CPC classification number: G01N21/39 , G01J3/4338 , G01N21/031 , G01N21/314 , G01N21/3504 , G01N2021/399 , G01N2201/06113
Abstract: A method implemented on a processor includes emitting a light beam from a light source to a component in an absorption cell, wherein the light beam comprises a plurality of wavelength beams. The method further includes generating a plurality of response signals due to the presence of the component, corresponding to the plurality of wavelength beams of the light beam. The method also includes detecting the plurality of response signals by a photo detector coupled to the absorption cell. The method includes determining a concentration of the component based on the plurality of response signals.
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Patent Agency Ranking
公开(公告)号：US09453806B2
公开(公告)日：2016-09-27
申请号：US14134525
申请日：2013-12-19
Applicant: General Electric Company
Inventor： Sandip Maity , Nagapriya Kavoori Sethumadhavan , Samhitha Palanganda Poonacha , Prashanth Raghavendra Prasad
IPC: G01N33/28 , G01N25/00 , G01N21/3504
CPC classification number: G01N33/2841 , G01N21/3504 , G01N25/005
Abstract: A system, comprising at least one source for irradiating electromagnetic radiation into a sample fluid and a reference fluid resulting in a change in a temperature of the sample fluid and a change in a temperature of the reference fluid, and a processing subsystem that monitors and determines a concentration of a gas of interest dissolved in the sample fluid based upon a difference between the change in the temperature of the sample fluid and the change in the temperature of the reference fluid, wherein the reference fluid does not contain the gas of interest, and the electromagnetic radiation has a wavelength range corresponding to a spectral absorption range of the gas of interest.
Abstract translation: 一种系统，包括用于将电磁辐射照射到样品流体中的至少一个源和导致样品流体的温度变化和参考流体的温度变化的参考流体，以及监测和确定 基于样品流体的温度变化与参考流体的温度变化之间的差异，溶解在样品流体中的目标气体的浓度，其中参考流体不包含感兴趣的气体，以及 电磁辐射具有对应于感兴趣的气体的光谱吸收范围的波长范围。
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7.发明授权公开(公告)号：US09103704B2
公开(公告)日：2015-08-11
申请号：US13950351
申请日：2013-07-25
Applicant: General Electric Company
Inventor： Sandip Maity , Saroj Kumar Mahalik , Vinayak Tilak , Mason Harvey Guy , Neil Geoffrey Harris , Stuart John Eaton
IPC: G01N15/00 , G01D11/30 , E21B47/12 , G01N21/552 , G01N21/85
CPC classification number: G01D11/30 , E21B47/122 , E21B47/123 , G01N21/552 , G01N21/8507 , G01N2021/8528 , G01N2201/084
Abstract: A holding is presented. The holding device includes a male connector comprising a first male extension and a second male extension that extend out of opposite surfaces of a male central disk, an electromagnetic guiding device continuously passing through a central hole that continuously passes through the first male extension, the male central disk and the second male extension, a reflector that is in a direct physical contact with a first end of the electromagnetic guiding device that ends at a top surface of the first male extension, and a holder that covers the first male extension to hold the reflector, and maintain the physical contact between the first end of the electromagnetic guiding device and the reflector.
Abstract translation: 举行举行。 保持装置包括一个阳连接器，包括一个第一阳延伸部分和一个从阳中心盘的相对表面延伸出来的第二阳延伸部分，连续穿过连续通过第一阳延伸部分的中心孔的电磁引导装置， 中心盘和第二阳延伸部，与第一阳延伸部的顶表面处于终端的电磁引导装置的第一端直接物理接触的反射器，以及覆盖第一阳延伸部以保持 并且保持电磁引导装置的第一端和反射器之间的物理接触。
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公开(公告)号：US20140165704A1
公开(公告)日：2014-06-19
申请号：US14134525
申请日：2013-12-19
Applicant: General Electric Company
Inventor： Sandip Maity , Nagapriya Kavoori Sethumadhavan , Samhitha Palanganda Poonacha , Prashanth Raghavendra Prasad
IPC: G01N25/02
CPC classification number: G01N33/2841 , G01N21/3504 , G01N25/005
Abstract: A system, comprising at least one source for irradiating electromagnetic radiation into a sample fluid and a reference fluid resulting in a change in a temperature of the sample fluid and a change in a temperature of the reference fluid, and a processing subsystem that monitors and determines a concentration of a gas of interest dissolved in the sample fluid based upon a difference between the change in the temperature of the sample fluid and the change in the temperature of the reference fluid, wherein the reference fluid does not contain the gas of interest, and the electromagnetic radiation has a wavelength range corresponding to a spectral absorption range of the gas of interest.
Abstract translation: 一种系统，包括用于将电磁辐射照射到样品流体中的至少一个源和导致样品流体的温度变化和参考流体的温度变化的参考流体，以及监测和确定 基于样品流体的温度变化与参考流体的温度变化之间的差异，溶解在样品流体中的目标气体的浓度，其中参考流体不包含感兴趣的气体，以及 电磁辐射具有对应于感兴趣的气体的光谱吸收范围的波长范围。
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公开(公告)号：US20140036954A1
公开(公告)日：2014-02-06
申请号：US13950733
申请日：2013-07-25
Applicant: General Electric Company
Inventor： Sandip Maity , Nagapriya Kavoori Sethumadhavan , Shashank Sinha
IPC: G01J5/00
CPC classification number: G01J5/0014 , G01N21/3504 , G01N21/359 , G01N25/4873
Abstract: A method for dissolved gas analysis is presented. The method includes the steps of irradiating a fluid with electromagnetic radiation; and determining a concentration of a gas as a function of a temperature change of the fluid in response to the irradiation. A device for such an analysis of dissolved gases in a fluid, and a system having such device are also described.
Abstract translation: 提出了一种溶解气体分析方法。 该方法包括用电磁辐射照射流体的步骤; 以及响应于所述照射，确定作为所述流体的温度变化的函数的气体的浓度。 还描述了用于对流体中的溶解气体进行这种分析的装置，以及具有这种装置的系统。
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公开(公告)号：US09846148B2
公开(公告)日：2017-12-19
申请号：US15275089
申请日：2016-09-23
Applicant: General Electric Company
Inventor： Sandip Maity , Nagapriya Kavoori Sethurnadhavan , Samhitha Palanganda Poonacha , Prashanth Raghavendra Prasad
IPC: G01N33/28 , G01N25/00 , G01N21/3504
CPC classification number: G01N33/2841 , G01N21/3504 , G01N25/005
Abstract: A system, comprising at least one source for irradiating electromagnetic radiation into a sample fluid and a reference fluid resulting in a change in a temperature of the sample fluid and a change in a temperature of the reference fluid, and a processing subsystem that monitors and determines a concentration of a gas of interest dissolved in the sample fluid based upon a difference between the change in the temperature of the sample fluid and the change in the temperature of the reference fluid, wherein the reference fluid does not contain the gas of interest, and the electromagnetic radiation has a wavelength range corresponding to a spectral absorption range of the gas of interest.
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