Patents by Inventor Sachin Narahari Dekate
Sachin Narahari Dekate has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10859486Abstract: A measurement tool configured to be run through a bore of a hydrocarbon well. The measurement tool includes a dielectric core, a controller disposed at a first end of the dielectric core, a first wire helically disposed about the dielectric core and extending from the controller to a first location a first distance from the controller, and a second wire helically disposed about the dielectric core and extending from the controller to a second location a second distance from the controller. The controller provides first and second input signals to the first and second wires, and receives first and second reflected signals from the first and second wires.Type: GrantFiled: May 26, 2017Date of Patent: December 8, 2020Assignee: GENERAL ELECTRIC CO.Inventors: Gregory Boverman, Sachin Narahari Dekate, Yongjae Lee
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Patent number: 10275402Abstract: According to some embodiments, a signal processing unit may receive distributed acoustic sensing data associated with a first set of a plurality of pipeline locations. The signal processing unit may also receive collected physical data representing a physical characteristic of a second set of a plurality of pipeline locations. The signal processing unit may then utilize a pipeline model having the distributed acoustic sensing data and collected physical data as inputs to automatically generate at least one alert indicating an increased probability of damage to the pipeline.Type: GrantFiled: September 15, 2015Date of Patent: April 30, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Marco Guerriero, Frederick Wilson Wheeler, Glen Peter Koste, Sachin Narahari Dekate, Peter Henry Tu
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Publication number: 20180340879Abstract: A measurement tool configured to be run through a bore of a hydrocarbon well. The measurement tool includes a dielectric core, a controller disposed at a first end of the dielectric core, a first wire helically disposed about the dielectric core and extending from the controller to a first location a first distance from the controller, and a second wire helically disposed about the dielectric core and extending from the controller to a second location a second distance from the controller. The controller provides first and second input signals to the first and second wires, and receives first and second reflected signals from the first and second wires.Type: ApplicationFiled: May 26, 2017Publication date: November 29, 2018Inventors: Gregory Boverman, Sachin Narahari Dekate, Yongjae Lee
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Patent number: 9880142Abstract: A photonic sensor system includes: a photodetector; a signal processor coupled to the photodetector; and a sensor structure configured to provide fluid-response selectivity, spatially distribute light, and to receive light from a light source and convey light to the photodetector. The sensor structure includes a plurality of fluid sensitive interferometric nanostructure layers manufactured on a substrate; wherein the plurality of fluid sensitive interferometric nanostructure layers includes alternating high and low porosity layers.Type: GrantFiled: May 16, 2016Date of Patent: January 30, 2018Assignee: General Electric CompanyInventors: Radislav Alexandrovich Potyrailo, Wajdi Mohammad Ahmad, Nasr Alkadi, John Andrew Westerheide, Glen Peter Koste, Sachin Narahari Dekate
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Patent number: 9869607Abstract: A measurement system includes a cable having a length, a light source, at least one detector, and at least one processor. The light source is operably coupled to the cable and is configured to transmit an optical signal to the cable. The at least one processor is operably coupled to the cable and configured to: receive a scattered signal from the cable responsive to the optical signal transmitted to the cable; map the scattered signal to the length of the cable; and de-convolve a spatial averaging effect of the scattered signal using a weighting profile corresponding to the light source and the cable to generate a distributed property profile defined along the length of the cable.Type: GrantFiled: April 21, 2016Date of Patent: January 16, 2018Assignee: General Electric CompanyInventors: Sudeep Mandal, Susanne Madeline Lee, Sachin Narahari Dekate, Majid Nayeri
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Publication number: 20170307471Abstract: A measurement system includes a cable having a length, a light source, at least one detector, and at least one processor. The light source is operably coupled to the cable and is configured to transmit an optical signal to the cable. The at least one processor is operably coupled to the cable and configured to: receive a scattered signal from the cable responsive to the optical signal transmitted to the cable; map the scattered signal to the length of the cable; and de-convolve a spatial averaging effect of the scattered signal using a weighting profile corresponding to the light source and the cable to generate a distributed property profile defined along the length of the cable.Type: ApplicationFiled: April 21, 2016Publication date: October 26, 2017Inventors: Sudeep Mandal, Susanne Madeline Lee, Sachin Narahari Dekate, Majid Nayeri
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Publication number: 20170076563Abstract: According to some embodiments, a signal processing unit may receive distributed acoustic sensing data associated with a first set of a plurality of pipeline locations. The signal processing unit may also receive collected physical data representing a physical characteristic of a second set of a plurality of pipeline locations. The signal processing unit may then utilize a pipeline model having the distributed acoustic sensing data and collected physical data as inputs to automatically generate at least one alert indicating an increased probability of damage to the pipeline.Type: ApplicationFiled: September 15, 2015Publication date: March 16, 2017Inventors: Marco Guerriero, Frederick Wilson Wheeler, Glen Peter Koste, Sachin Narahari Dekate, Peter Henry Tu
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Publication number: 20160334327Abstract: A fluid sensor that includes fluid sensitive interferometric nanostructure layers configured into an open-air resonant structure. Another fluid sensor also includes a polarization sensitive photodetector configured to detect optical contributions of different components of a fluid to the structure. A photonic sensor system includes: a photodetector; a signal processor coupled to the photodetector; and a sensor structure configured to provide fluid-response selectivity, spatially distribute light, and to receive light from a light source and convey light to the photodetector. A method of selective measurement of components in fluid in a process area includes: exposing a sensing structure to the fluid; interrogating the sensing structure with light from outside the process area; measuring a change in optical properties of the sensing structure; correlating the measured change to a stored value; and providing quantitative values of levels of the components in the fluid.Type: ApplicationFiled: May 16, 2016Publication date: November 17, 2016Inventors: Radislav Alexandrovich Potyrailo, Wajdi Mohammad Ahmad, Nasr Alkadi, John Andrew Westerheide, Glen Peter Koste, Sachin Narahari Dekate
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Patent number: 9488786Abstract: Optical-based apparatus and method for sensing parameters in connection with an asset, such as a pipeline, are provided. At least two sites in an optical fiber may include a respective fiber grating arranged to have a respective optical response in a wavelength spectrum having a distinguishing feature indicative of a value of a respective local parameter at a respective grating site. The two fiber gratings may be further arranged to form, in combination with a respective portion of the optical fiber which extends between the two sites, respective optical backscatter portions that when combined with one another are effective to sense an optical change in the fiber portion between the sites indicative of a value of a distributed parameter. This is a parameter modality different from a parameter modality of the respective local parameters at the respective grating sites.Type: GrantFiled: November 16, 2012Date of Patent: November 8, 2016Assignee: General Electric CompanyInventors: Glen Peter Koste, Raymond Verle Jensen, Hua Xia, Boon Kwee Lee, Victor Petrovich Ostroverkhov, Sachin Narahari Dekate, William Albert Challener
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Patent number: 9341532Abstract: A pressure sensing cable in one embodiment includes a polarization maintaining (PM) optic fiber having a length; and a Fiber Bragg Grating (FBG) pair formed in the PM optic fiber. The FBG pair includes a first FBG formed at a location along the length of the optic fiber. The first FBG defines a first wavelength range at which the first FBG is reflective. The FBG pair also includes a second FBG spaced a distance from the first FBG to define a FBG cavity extending between the first FBG and the second FBG. The second FBG defines a second wavelength range at which the second FBG is reflective. The first wavelength range of the first FBG and the second wavelength range of the second FBG at least partially overlap.Type: GrantFiled: March 24, 2014Date of Patent: May 17, 2016Assignee: GENERAL ELECTRIC COMPANYInventors: William Albert Challener, Glen Peter Koste, Sachin Narahari Dekate, Sabarni Palit
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Patent number: 9170129Abstract: A system for sensing the position of a movable object includes a polarization maintaining fiber configured to receive light from a light source; an optical system configured to rotate an angle of polarization of the light by a first predetermined angle; a low birefringence fiber connected to the optical system at a first end and having a mirror connected to a second end configured to reflect the light and rotate the angle of polarization at a second predetermined angle, the second end being configured to overlap a magnetic field of the a magnet attached to the object. The angle of polarization is rotated to a third predetermined angle proportional to at least one of the strength of the magnetic field and an amount of the overlap. The optical system is configured to decompose the third predetermined angle into a first component and a second component. A detector is configured to detect a differential between the first and second components indicative of the amount of the overlap.Type: GrantFiled: October 17, 2013Date of Patent: October 27, 2015Assignee: General Electric CompanyInventors: Sachin Narahari Dekate, Glen Peter Kose, Aaron Jay Knobloch, Boon Kwee Lee, Sameer Dinkar Vartak, Seema Somani
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Patent number: 9151924Abstract: An optical-based sensing apparatus and method are provided. A sensing apparatus (10) may include a tube (30). An optical fiber (12) may be encased in the tube. A buffering layer (14) may be interposed between the optical fiber and the tube. The buffering layer and/or the tube may be selectively configured to form along a length of the apparatus a plurality of optical sensing zones (16, 18, 20) spatially arranged to sense parameters involving different parameter modalities.Type: GrantFiled: August 16, 2013Date of Patent: October 6, 2015Assignee: General Electric CompanyInventors: Mahadevan Balasubramaniam, Glen Peter Koste, Slawomir Rubinsztajn, Sachin Narahari Dekate, Anurag Kasyap Vejjupalle Subramanyam, Sunilkumar Onkarnath Soni
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Publication number: 20150276686Abstract: A sensor interrogation unit in one embodiment includes a control module, a reading module, and a determination module. The control module is configured to control one or more lasers to provide a pulsed signal to at least one sensor. Each period of the pulsed signal has a first component having a first intensity and a second component having a second intensity that is lower than the first intensity. The reading module is configured to receive at least one return signal comprising reflections of the pulsed signal from the at least one sensor, to read one of the first component or the second component, and to provide frequency information based on the read reflections. The determination module is configured to determine at least one resonant frequency of the at least one sensor based on the frequency information.Type: ApplicationFiled: March 26, 2014Publication date: October 1, 2015Applicant: General Electric CompanyInventors: William Albert Challener, Sachin Narahari Dekate, Sabarni Palit, Ansas Matthias Kasten, Reza Ghandi
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Publication number: 20150268117Abstract: A pressure sensing cable in one embodiment includes a polarization maintaining (PM) optic fiber having a length; and a Fiber Bragg Grating (FBG) pair formed in the PM optic fiber. The FBG pair includes a first FBG formed at a location along the length of the optic fiber. The first FBG defines a first wavelength range at which the first FBG is reflective. The FBG pair also includes a second FBG spaced a distance from the first FBG to define a FBG cavity extending between the first FBG and the second FBG. The second FBG defines a second wavelength range at which the second FBG is reflective. The first wavelength range of the first FBG and the second wavelength range of the second FBG at least partially overlap.Type: ApplicationFiled: March 24, 2014Publication date: September 24, 2015Applicant: GENERAL ELECTRIC COMPANYInventors: William Albert Challener, Glen Peter Koste, Sachin Narahari Dekate, Sabarni Palit
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Publication number: 20150108335Abstract: A system for sensing the position of a movable object includes a polarization maintaining fiber configured to receive light from a light source; an optical system configured to rotate an angle of polarization of the light by a first predetermined angle; a low birefringence fiber connected to the optical system at a first end and having a mirror connected to a second end configured to reflect the light and rotate the angle of polarization at a second predetermined angle, the second end being configured to overlap a magnetic field of the a magnet attached to the object. The angle of polarization is rotated to a third predetermined angle proportional to at least one of the strength of the magnetic field and an amount of the overlap. The optical system is configured to decompose the third predetermined angle into a first component and a second component. A detector is configured to detect a differential between the first and second components indicative of the amount of the overlap.Type: ApplicationFiled: October 17, 2013Publication date: April 23, 2015Applicant: GENERAL ELECTRIC COMPANYInventors: Sachin Narahari Dekate, Glen Peter Kose, Aaron Jay Knobloch, Boon Kwee Lee, Sameer Dinkar Vartak, Seema Somani
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Publication number: 20150049981Abstract: An optical-based sensing apparatus and method are provided. A sensing apparatus (10) may include a tube (30). An optical fiber (12) may be encased in the tube. A buffering layer (14) may be interposed between the optical fiber and the tube. The buffering layer and/or the tube may be selectively configured to form along a length of the apparatus a plurality of optical sensing zones (16, 18, 20) spatially arranged to sense parameters involving different parameter modalities.Type: ApplicationFiled: August 16, 2013Publication date: February 19, 2015Applicant: General Electric CompanyInventors: Mahadevan NMN Balasubramaniam, Glen Peter Koste, Slawomir Rubinsztajn, Sachin Narahari Dekate, Anurag Kasyap Vejjupalle Subramanyam, Sunilkumar Onkarnath Soni
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Patent number: 8781266Abstract: A measurement system includes a broadband light source that outputs a broadband light, an optical splitter that divides the broadband light into a plurality of divided light beams and a plurality of optical sensors, each optical sensor configured to receive a single one of the divided light beams and measure an electrical parameter of a conductor.Type: GrantFiled: December 23, 2011Date of Patent: July 15, 2014Assignee: General Electric CompanyInventors: Boon Kwee Lee, Glen Peter Koste, Sachin Narahari Dekate, Victor Welch
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Publication number: 20140185056Abstract: A system for sensing the position of a movable object includes a polarization maintaining fiber configured to receive light from a light source; an optical system configured to rotate an angle of polarization of the light by a first predetermined angle; a low birefringence fiber connected to the optical system at a first end and having a mirror connected to a second end configured to reflect the light and rotate the angle of polarization at a second predetermined angle, the second end being configured to overlap a magnetic field of the a magnet attached to the object. The angle of polarization is rotated to a third predetermined angle proportional to at least one of the strength of the magnetic field and an amount of the overlap. The optical system is configured to decompose the third predetermined angle into a first component and a second component. A detector is configured to detect a differential between the first and second components indicative of the amount of the overlap.Type: ApplicationFiled: December 31, 2012Publication date: July 3, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Sachin Narahari Dekate, Glen Peter Koste, Aaron Jay Knobloch, Boon Kwee Lee, Sameer Dinkar Vartak, Seema Somani
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Publication number: 20140139841Abstract: Optical-based apparatus and method for sensing parameters in connection with an asset, such as a pipeline, are provided. At least two sites in an optical fiber may include a respective fiber grating arranged to have a respective optical response in a wavelength spectrum having a distinguishing feature indicative of a value of a respective local parameter at a respective grating site. The two fiber gratings may be further arranged to form, in combination with a respective portion of the optical fiber which extends between the two sites, respective optical backscatter portions that when combined with one another are effective to sense an optical change in the fiber portion between the sites indicative of a value of a distributed parameter. This is a parameter modality different from a parameter modality of the respective local parameters at the respective grating sites.Type: ApplicationFiled: November 16, 2012Publication date: May 22, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Glen Peter Koste, Raymond Verle Jensen, Hua NMN Xia, Boon Kwee Lee, Victor Petrovich Ostroverkhov, Sachin Narahari Dekate, William Albert Challener
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Patent number: 8514409Abstract: A system is provided for monitoring a relative displacement of a pair of end-winding components. The system includes a structure mounted to the end-winding components at an angle with respect to the end-winding components for monitoring the relative displacement. The system further includes an optical fiber with a first portion including a fiber Bragg grating mounted to a surface of the structure to experience a strain resulting from a strain of the structure due to the relative displacement. The optical fiber includes a second portion internally routed through in the structure to the first portion mounted to the surface. The structure is configured so that the strain produced by the structure limits a magnitude of the strain of the fiber Bragg grating within a predetermined range over a span of the relative displacement of the end-winding components.Type: GrantFiled: January 31, 2012Date of Patent: August 20, 2013Assignee: General Electric CompanyInventors: Glen Peter Koste, Renato Guida, Paul Jeffrey Gillespie, Hua Xia, Bowden Kirkpatrick, Haiyan Sun, Sachin Narahari Dekate, Mosharraf Hossain, Sunilkumar Onkarnath Soni