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公开(公告)号：US20160187251A1
公开(公告)日：2016-06-30
申请号：US14583288
申请日：2014-12-26
Applicant: General Electric Company
Inventor： Nagapriya Kavoori Sethumadhavan , Sandip Maity , Samhitha Palanganda Poonacha , Moitrayee Mukherjee , Purbasha Halder , Harish Sasikumar , Prasenjit Pandey
CPC classification number: G01N21/31 , G01J3/433 , G01N21/03 , G01N21/3504 , G01N21/39 , G01N2201/061
Abstract: A method for determining a concentration of at least one individual gas present in a gas-mixture includes irradiating a first component by incident modulated-light-beams characterized by a determined absorption wavelength range, modulation frequencies and a modulation amplitudes to generate first transmitted-light-beams, irradiating a second component, comprising a determined concentration of the at least one individual gas, by the first incident modulated-light-beams to generate second transmitted-light-beams, generating noise signals representative of a characteristic of the first transmitted-light-beams, generating noise-free signals representative of a characteristic of the second transmitted-light-beams, selecting an optimal modulation frequency and an optimal modulation amplitude from the modulation frequencies and the modulation amplitudes based on the noise signals and the noise-free signals, and determining a concentration of the at least one individual gas in the gas-mixture based on the optimal modulation frequency and the optimal modulation amplitude of the determined absorption wavelength range.
Abstract translation: 用于确定气体混合物中存在的至少一种单独气体的浓度的方法包括通过入射的调制光束照射第一分量，其特征在于确定的吸收波长范围，调制频率和调制幅度，以产生第一透射光 - 通过所述第一入射调制光束照射包含所述至少一种单独气体的确定浓度的第二组分以产生第二透射光束，产生表示所述第一透射光束的特性的噪声信号， 产生表示第二透射光束的特性的无噪声信号，基于噪声信号和无噪声从调制频率和调制幅度中选择最佳调制频率和最佳调制幅度 信号，并确定气体混合物中的至少一种单独气体的浓度 基于所确定的吸收波长范围的最佳调制频率和最佳调制幅度。
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公开(公告)号：US20150059435A1
公开(公告)日：2015-03-05
申请号：US14467304
申请日：2014-08-25
Applicant: General Electric Company
Inventor： Niloy Choudhury , Nagapriya Kavoori Sethumadhavan , Sandip Maity
IPC: G01N21/17
CPC classification number: G01N21/1702 , G01J3/433 , G01N21/3577 , G01N21/39 , G01N21/85 , G01N29/222 , G01N29/2425 , G01N29/30 , G01N33/2841 , G01N33/2847 , G01N2021/1704 , G01N2201/06113 , G01N2201/067 , G01N2291/02809
Abstract: A system and a method for detecting of components in a sample fluid includes a first chamber having a sample fluid and a second chamber coupled to the first chamber, wherein the second chamber has a reference fluid. The system includes a modulated light source for emitting a modulated light beam to the sample fluid and the reference fluid, to generate a first acoustic signal in the first chamber and a second acoustic signal in the second chamber. The system further includes a pressure sensor disposed between the first chamber and the second chamber, for detecting a difference between the first acoustic signal and the second acoustic signal. The system includes a processor based module communicatively coupled to the pressure sensor and configured to receive a signal representative of the difference and determine at least one of a component and the concentration of the component in the sample fluid.
Abstract translation: 用于检测样品流体中的组分的系统和方法包括具有样品流体的第一室和联接到第一室的第二室，其中第二室具有参考流体。 该系统包括用于将调制的光束发射到样品流体和参考流体的调制光源，以在第一室中产生第一声信号，并在第二室中产生第二声信号。 该系统还包括设置在第一室和第二室之间的压力传感器，用于检测第一声信号和第二声信号之间的差。 该系统包括基于处理器的模块，其通信地耦合到压力传感器并且被配置为接收代表该差异的信号，并且确定样品流体中的组分和组分的浓度中的至少一个。
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公开(公告)号：US12285366B2
公开(公告)日：2025-04-29
申请号：US17491436
申请日：2021-09-30
Applicant: General Electric Company
Inventor： Shruti Abhijit Gadgil , Nagapriya Kavoori Sethumadhavan
Abstract: Various systems and devices are provided for determining a weaning readiness for weaning a patient from a thermoregulated microenvironment. In one example, a method includes receiving current patient parameters of the patient and applying a weaning model to the current patient parameters to calculate a weaning index representing a likelihood that the patient can be successfully weaned from the microenvironment. The method also includes outputting the weaning index for display on a display device or for storage in a medical record of the patient and upon outputting the weaning index, receiving one or more subsequent patient outcomes, the one or more subsequent patient outcomes comprising whether the patient developed any complications within the duration since being weaned from the microenvironment. The method also includes updating the weaning model based on the one or more received subsequent patient outcomes.
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公开(公告)号：US20220023129A1
公开(公告)日：2022-01-27
申请号：US17491436
申请日：2021-09-30
Applicant: General Electric Company
Inventor： Shruti Abhijit Gadgil , Nagapriya Kavoori Sethumadhavan
Abstract: Various systems and devices are provided for determining a weaning readiness for weaning a patient from a thermoregulated microenvironment. In one example, a method includes receiving current patient parameters of the patient and applying a weaning model to the current patient parameters to calculate a weaning index representing a likelihood that the patient can be successfully weaned from the microenvironment. The method also includes outputting the weaning index for display on a display device or for storage in a medical record of the patient and upon outputting the weaning index, receiving one or more subsequent patient outcomes, the one or more subsequent patient outcomes comprising whether the patient developed any complications within the duration since being weaned from the microenvironment. The method also includes updating the weaning model based on the one or more received subsequent patient outcomes.
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Patent Agency Ranking
公开(公告)号：US11166862B2
公开(公告)日：2021-11-09
申请号：US16212587
申请日：2018-12-06
Applicant: General Electric Company
Inventor： Shruti Abhijit Gadgil , Nagapriya Kavoori Sethumadhavan
Abstract: Various systems and devices are provided for determining a weaning readiness for weaning a patient from a thermoregulated microenvironment. In one example, a method includes receiving a plurality of current patient parameters of a patient housed in a thermoregulated microenvironment, applying a weaning model to the plurality of current patient parameters to generate a weaning index representing a likelihood that the patient will be successfully weaned from the microenvironment if weaned at that time, the weaning model trained to correlate the current patient parameters with the likelihood based on historical data of prior patients and known outcomes for those prior patients, and outputting the weaning index for display on a display device and/or for storage in a medical record of the patient.
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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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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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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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