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公开(公告)号：US09759610B2
公开(公告)日：2017-09-12
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 , G01N21/3504 , G01N25/48 , G01N21/359
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.
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公开(公告)号：US09739706B2
公开(公告)日：2017-08-22
申请号：US14467136
申请日：2014-08-25
Applicant: General Electric Company
Inventor： Sandip Maity , Nagapriya Kavoori Sethumadhavan , Niloy Choudhury
CPC classification number: G01N21/1702 , G01N29/2418 , G01N29/2425 , G01N29/46 , G01N29/48 , G01N2021/1704 , G01N2021/1708 , G01N2201/06113 , G01N2201/067 , G01N2291/02433 , G01N2291/02809
Abstract: A method for detecting of components in a fluid includes emitting a modulated light beam from a modulated light source to the fluid in a chamber, wherein the fluid comprises a liquid and a component in the liquid. The method includes producing an acoustic signal in response to the emitted modulated light beam and detecting the acoustic signal via a pressure sensor disposed in the chamber. The method in one example also includes transmitting the acoustic signal from the pressure sensor to a processor based module and determining at least one of a component and a concentration of the component in the fluid via the processor based module, based on the acoustic signal.
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公开(公告)号：US20200179206A1
公开(公告)日：2020-06-11
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：US20190099616A1
公开(公告)日：2019-04-04
申请号：US15723333
申请日：2017-10-03
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Nagapriya Kavoori Sethumadhavan , Steven Falk
Abstract: A blanket for use in phototherapy treatment integrates a phototherapy element for delivering phototherapy to a patient placed on the blanket and a heating element for warming the patient. In one example, the phototherapy element includes a light emitting panel made from woven optical fibers and the heating element includes a heating wire secured to the light emitting panel. In another example, both phototherapy and warming are provided by a woven optical fiber panel. Blue light is emitted from the panel for phototherapy and infrared light is emitted from the panel for warming.
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公开(公告)号：US20200181560A1
公开(公告)日：2020-06-11
申请号：US16316297
申请日：2017-06-22
Applicant: General Electric Company
Inventor： Prashanth Hosabettu Mohan , Sandip Maity , Nagapriya Kavoori Sethumadhavan , Swapnil Puranik , Li Ou
Abstract: A microfluidic device (100) is disclosed for in-process monitoring of cell culture conditions including for example one or more of: cell density; cell viability; secreted proteins; protein analysis; epitope markers; concentrations of metabolites or nutrients and antigenic determinations; the device comprising: a cell inlet path (120); plural fluid reservoirs (130) in fluid communication with the cell input path, a cell analysis area (160) in fluid communication with the path and reservoirs, and a waste storage volume (166) also in fluid communication with the cell analysis area, the device being operable to cause a primary fluid flow along the inlet path to the analysis area, and to selectively cause secondary fluid flow(s) into the path from none, one or more of the selected reservoirs to combine, if one or more of the reservoirs are selected, with the primary fluid flow from the cell inlet path, in each case for analysis at the cell analysis area, the device being further operable to cause a fluid flow of the primary and any combined secondary flows from the cell analysis area into the waste storage volume.
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Patent Agency Ranking
公开(公告)号：US09689795B2
公开(公告)日：2017-06-27
申请号：US14668099
申请日：2015-03-25
Applicant: General Electric Company
Inventor： Mark Marshall Meyers , David Peter Robinson , Sandip Maity , Nagapriya Kavoori Sethumadhavan
CPC classification number: G01N21/255 , G01J3/021 , G01J3/42 , G01J3/433 , G01N21/031 , G01N21/3504 , G01N33/0009
Abstract: A system is presented. The system includes an absorption cell filled-with a gas-mixture, a mirror-cum-window comprising a first portion that acts as a first mirror and a second portion that acts as a first window, a second mirror, a plurality of radiation sources to generate a plurality of light beams directed into the absorption cell through the first window followed by reflection of the plurality of light beams between the first mirror and the second mirror to irradiate the gas-mixture resulting in generation of a plurality of transmitted light beams passing out of the absorption cell through the second window, a detector that detects at least one characteristic of the plurality of transmitted light beams resulting in generation of one or more response signals, and a processing subsystem that analyzes the gas-mixture at least based on the one or more response signals.
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公开(公告)号：US20160282260A1
公开(公告)日：2016-09-29
申请号：US14668099
申请日：2015-03-25
Applicant: General Electric Company
Inventor： Mark Marshall Meyers , David Peter Robinson , Sandip Maity , Nagapriya Kavoori Sethumadhavan
CPC classification number: G01N21/255 , G01J3/021 , G01J3/42 , G01J3/433 , G01N21/031 , G01N21/3504 , G01N33/0009
Abstract: A system is presented. The system includes an absorption cell filled-with a gas-mixture, a mirror-cum-window comprising a first portion that acts as a first mirror and a second portion that acts as a first window, a second mirror, a plurality of radiation sources to generate a plurality of light beams directed into the absorption cell through the first window followed by reflection of the plurality of light beams between the first mirror and the second mirror to irradiate the gas-mixture resulting in generation of a plurality of transmitted light beams passing out of the absorption cell through the second window, a detector that detects at least one characteristic of the plurality of transmitted light beams resulting in generation of one or more response signals, and a processing subsystem that analyzes the gas-mixture at least based on the one or more response signals.
Abstract translation: 提出了一个系统。 该系统包括填充有气体混合物的吸收单元，包括充当第一反射镜的第一部分和充当第一窗口的第二部分的反射镜与窗口，第二反射镜，多个辐射源 以通过第一窗口产生引导到吸收单元中的多个光束，随后在第一反射镜和第二反射镜之间反射多个光束，以照射气体混合物，从而产生通过的多个透射光束 通过第二窗口离开吸收单元，检测器，其检测导致产生一个或多个响应信号的多个透射光束的至少一个特性;以及处理子系统，至少基于该气体混合物分析气体混合物 一个或多个响应信号。
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公开(公告)号：US09645076B2
公开(公告)日：2017-05-09
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.
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公开(公告)号：US09638628B2
公开(公告)日：2017-05-02
申请号：US14837200
申请日：2015-08-27
Applicant: General Electric Company
Inventor： Nagapriya Kavoori Sethumadhavan , Samhitha Palanganda Poonacha, Jr. , David Peter Robinson
CPC classification number: G01N21/255 , G01N21/27 , G01N21/31 , G01N21/3504 , G01N2021/1704 , G01N2021/3174 , G01N2021/3177 , G01N2201/061 , G01N2201/068
Abstract: A gas analysis system and method filter different wavelengths of incident light using a variable light filter at different locations along a length of the variable light filter to form filtered light. The variable light filter is configured to be disposed between a light source generating plural different wavelengths of the incident light and a gas sample. Intensities of wavelengths of the filtered light are determined after the incident light generated by the light source passes through the variable light filter and the gas sample. The gas sample may be identified from among different potential gasses based on the intensity of the one or more wavelengths of the filtered light that is determined by the light detector.
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公开(公告)号：US20170059476A1
公开(公告)日：2017-03-02
申请号：US14837200
申请日：2015-08-27
Applicant: General Electric Company
CPC classification number: G01N21/255 , G01N21/27 , G01N21/31 , G01N21/3504 , G01N2021/1704 , G01N2021/3174 , G01N2021/3177 , G01N2201/061 , G01N2201/068
Abstract: A gas analysis system and method filter different wavelengths of incident light using a variable light filter at different locations along a length of the variable light filter to form filtered light. The variable light filter is configured to be disposed between a light source generating plural different wavelengths of the incident light and a gas sample. Intensities of wavelengths of the filtered light are determined after the incident light generated by the light source passes through the variable light filter and the gas sample. The gas sample may be identified from among different potential gasses based on the intensity of the one or more wavelengths of the filtered light that is determined by the light detector.
Abstract translation: 气体分析系统和方法使用可变滤光器在不同位置沿着可变滤光器的长度对不同波长的入射光进行滤光，以形成滤光。 可变光滤波器被配置为设置在产生入射光的多个不同波长的光源和气体样本之间。 在由光源产生的入射光穿过可变滤光器和气体样品之后，确定经过滤光的波长的强度。 可以基于由光检测器确定的经滤光的一个或多个波长的强度，从不同的潜在气体中识别气体样品。
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