Patents by Inventor Sakethraman Mahalingam
Sakethraman Mahalingam 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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Publication number: 20210293598Abstract: An example system is for determining properties of a fluid in a conduit. The system includes an exciter attached to the conduit for inducing one or more vibration patterns in the conduit. The system includes an isolator connected to the conduit at a first end of the isolator and to a fixed support on a second end of the isolator for preventing vibrations from being transmitted along the length of conduit beyond a predetermined measurement length. The systems includes a sensor attached to the conduit for measuring a change in one or more mechanical states of a conduit. The system includes one or more non-transitory machine-readable storage media storing instructions for determining one or more properties of the fluid. The system includes one or more processing devices to execute the instructions to perform operations including receiving data from the sensor and determining a property of the fluid.Type: ApplicationFiled: March 17, 2020Publication date: September 23, 2021Inventors: Sakethraman Mahalingam, Muhammad Arsalan
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Publication number: 20200248512Abstract: Methods and systems for sealing a lost circulation zone associated with a subterranean include determining geophysical data of the lost circulation zone. An available range of lost circulation shape data and an available range of lost circulation material data is provided. The geophysical data, the available range of lost circulation shape data, and the available range of lost circulation material data are part of a fixed data set. An initial lost circulation mix is determined from the fixed data set. An initial drill string downhole flow rate and an initial annulus uphole flow rate are determined and an initial loss volume is calculated. The initial lost circulation mix is delivered into the subterranean well. A revised drill string downhole flow rate and a revised annulus uphole flow rate are determined and a revised loss volume is calculated.Type: ApplicationFiled: April 16, 2020Publication date: August 6, 2020Applicant: Saudi Arabian Oil CompanyInventors: Graham HITCHCOCK, Sakethraman MAHALINGAM
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Publication number: 20190301905Abstract: A device for measuring the rate of flow of a fluid comprising. The device includes a heating element, a housing, and a detector. The heating element is located in an interior of the housing, the housing defining a first thermal path from the heating element to a first region of an exterior of the housing and a second thermal path from the heating element to a second region of the exterior of the housing. The detector is configured to detect a property associated with transfer of heat from the heating element to the exterior of the housing. The first thermal path has a first thermal conductivity and the second thermal path has a second thermal conductivity. The first thermal conductivity is greater than the second thermal conductivity. The first region of the exterior of the housing is smaller than the second region of the exterior of the housing.Type: ApplicationFiled: June 7, 2017Publication date: October 3, 2019Inventor: Sakethraman MAHALINGAM
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Patent number: 9249657Abstract: A system for monitoring a subsea well is presented. The system includes the subsea well, where the subsea well includes a production tube, an annulus A co-axial to the production tube and positioned exterior to the production tube, an annulus B co-axial to the annulus A and positioned exterior to the annulus A, and a casing wall disposed between the annulus A and annulus B. Furthermore, the system includes a first sensor disposed on or about the production tube, the annulus A, the casing wall, or combinations thereof and configured to measure a first parameter. The system also includes a controller coupled to the subsea well and configured to analyze the first parameter measured by the first sensor and detect an anomaly in one or more components of the subsea well. Methods and non-transitory computer readable medium configured to perform the method for monitoring a subsea well are also presented.Type: GrantFiled: October 31, 2012Date of Patent: February 2, 2016Assignee: General Electric CompanyInventors: Pekka Tapani Sipilä{umlaut over ( )}, Nicholas Josep Ellson, David John Buttle, John Charles McCarthy, Sakethraman Mahalingam
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Patent number: 8963562Abstract: Transducer configurations and methods for transducer positioning in electrical impedance tomography are provided. A plurality of transducers for one electrical impedance tomography arrangement are configured for positioning proximate a surface of an object and spaced apart along the object, wherein the transducers are one or more conductive rings and have at least one non-conductive portion. The arrangement further includes one or more excitation drivers coupled to the plurality of transducers and configured to generate excitation signals for the plurality of transducers. The arrangement also includes one or more response detectors coupled to the plurality of transducers and configured to measure a response of the object at the plurality of transducers to the excitation applied by the plurality of transducers based on the excitation signals.Type: GrantFiled: August 31, 2011Date of Patent: February 24, 2015Assignee: General Electric CompanyInventors: Wrichik Basu, Manoj Kumar Koyithitta Meethal, Sakethraman Mahalingam, Rajesh Veera Venkata Lakshmi Langoju, Parama Ghoshal
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Patent number: 8892379Abstract: A system and method for soft-field reconstruction are provided. One method includes obtaining applied input and measured output information for an excited object using a plurality of transducers and forming an admittance matrix based on the applied input and measured output information. The method also includes determining a plurality of moments using the admittance matrix and calculating a property distribution of the excited object using the plurality of moments.Type: GrantFiled: June 30, 2011Date of Patent: November 18, 2014Assignee: General Electric CompanyInventors: Rajesh V. V. L. Langoju, Wrichik Basu, Manoj Kumar Koyithitta Meethal, Sakethraman Mahalingam
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Patent number: 8765275Abstract: An energy storage device is provided that includes a separator having a first surface and a second surface. The first surface defines at least a portion of a cathodic chamber, and the second surface defines an anodic chamber. The cathodic chamber includes an alkali metal halide that forms an ion that is capable of conducting through the separator. The anodic chamber has a volume that is filled with a consumable fluid. The amount of the consumable fluid is greater than 90 percent by volume of the anodic chamber volume. Furthermore, the consumable fluid is reactive with an ionic species of the alkali metal halide. A method of sealing the energy storage device is also provided.Type: GrantFiled: October 7, 2008Date of Patent: July 1, 2014Assignee: General Electric CompanyInventors: Sakethraman Mahalingam, Lembit Salasoo, Kenneth Walter Browall, Ajit Wasant Kane, Ashalatha Devarajan
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Publication number: 20140116715Abstract: A system for monitoring a subsea well is presented. The system includes the subsea well, where the subsea well includes a production tube, an annulus A co-axial to the production tube and positioned exterior to the production tube, an annulus B co-axial to the annulus A and positioned exterior to the annulus A, and a casing wall disposed between the annulus A and annulus B. Furthermore, the system includes a first sensor disposed on or about the production tube, the annulus A, the casing wall, or combinations thereof and configured to measure a first parameter. The system also includes a controller coupled to the subsea well and configured to analyze the first parameter measured by the first sensor and detect an anomaly in one or more components of the subsea well. Methods and non-transitory computer readable medium configured to perform the method for monitoring a subsea well are also presented.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Pekka Tapani Sipilä, Nicholas Josep Ellson, David John Buttle, John Charles McCarthy, Sakethraman Mahalingam
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Patent number: 8508238Abstract: An electrode array, a system and a method for reconstructing the distribution of electrical properties within a multi-material object. One embodiment includes electrodes arranged along a three-dimensional helical path to provide one or more helical arrays and circuitry to measure signals for calculating a conductivity or admittivity distribution representative of the interior of the structure. Image data may be obtained which is representative of the multi-material region.Type: GrantFiled: August 12, 2010Date of Patent: August 13, 2013Assignee: General Electric CompanyInventors: Sakethraman Mahalingam, Manoj Kumar Koyithitta Meethal, Prafull Sharma, Rajesh Veera Venkata Lakshmi Langoju, Wrichik Basu, Parama Ghoshal
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Publication number: 20130096853Abstract: Systems and methods for monitoring electrical contacts are provided. One method includes calculating an impedance of an electrical contact based on an electrical signal applied to the electrical contact and a measured electrical signal after passing through the electrical contact. The method also includes determining a condition of the electrical contact using the calculated impedance.Type: ApplicationFiled: October 14, 2011Publication date: April 18, 2013Applicant: General Electric CompanyInventors: Sakethraman Mahalingam, Marcelo Valdes, Thangavelu Asokan, Andrzej Michal May
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Publication number: 20130049770Abstract: Transducer configurations and methods for transducer positioning in electrical impedance tomography are provided. A plurality of transducers for one electrical impedance tomography arrangement are configured for positioning proximate a surface of an object and spaced apart along the object, wherein the transducers are one or more conductive rings and have at least one non-conductive portion. The arrangement further includes one or more excitation drivers coupled to the plurality of transducers and configured to generate excitation signals for the plurality of transducers. The arrangement also includes one or more response detectors coupled to the plurality of transducers and configured to measure a response of the object at the plurality of transducers to the excitation applied by the plurality of transducers based on the excitation signals.Type: ApplicationFiled: August 31, 2011Publication date: February 28, 2013Applicant: General Electric CompanyInventors: Wrichik Basu, Manoj Kumar Koyithitta Meethal, Sakethraman Mahalingam, Rajesh Veera Venkata Lakshmi Langoju, Parama Ghoshal
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Publication number: 20130013239Abstract: A system and method for excitation generation in soft-field tomography are provided. One method includes applying a plurality of phase modulated (or phase and amplitude modulated) excitations to a plurality of transducers of a data acquisition system positioned proximate a surface of an object and measuring a response to the applied phase modulated (or phase and amplitude modulated) excitations at the plurality of transducers. The method also includes determining a property of the object based on the measured responses.Type: ApplicationFiled: July 8, 2011Publication date: January 10, 2013Applicant: General Electric CompanyInventors: Alexander Seth Ross, Sakethraman Mahalingam, Arvind Tiwari, Somakumar Ramachandra Panicker, Manoj Kumar Koyithitta Meethal
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Publication number: 20130006558Abstract: A system and method for soft-field reconstruction are provided. One method includes obtaining applied input and measured output information for an excited object using a plurality of transducers and forming an admittance matrix based on the applied input and measured output information. The method also includes determining a plurality of moments using the admittance matrix and calculating a property distribution of the excited object using the plurality of moments.Type: ApplicationFiled: June 30, 2011Publication date: January 3, 2013Applicant: General Electric CompanyInventors: Rajesh V.V.L. Langoju, Wrichik Basu, Manoj Kumar Koyithitta Meethal, Sakethraman Mahalingam
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Patent number: 8264246Abstract: A method for determining characteristics of a multi-material object is provided. The method includes producing a rotating electric field by providing an applied electrical signal set of individual electrical signal patterns to electrodes surrounding the multi-material object. The method also includes obtaining a measured electrical signal of electrical signals from the electrodes corresponding to each electrical signal pattern applied. An electrical network is determined based on the applied electrical signal set, the measured electrical signal set and an inverse of the applied electrical signal set. The method further includes determining the characteristics of the multi-material object by analyzing the electrical network.Type: GrantFiled: January 5, 2010Date of Patent: September 11, 2012Assignee: General Electric CompanyInventors: Sakethraman Mahalingam, Manoj Kumar Koyithitta Meethal, Arijit Banerjee, Wrichik Basu, Harish Kumar Pillai
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Patent number: 8121804Abstract: A method for determining characteristics of a multi-material object is provided. The method includes determining an electric element matrix representing the multi-material object. The electric element matrix is pre-multiplied by a first mathematical transformation matrix to obtain a first transformed electric element matrix. The first transformed electric element matrix is post-multiplied with a second mathematical transformation matrix to obtain a second transformed electric element matrix. The method further includes determining the characteristics of the multi-material object based on the second transformed electric element matrix.Type: GrantFiled: January 5, 2010Date of Patent: February 21, 2012Assignee: General Electric CompanyInventors: Sakethraman Mahalingam, Arijit Banerjee, Wrichik Basu, Harish Kumar Pillai
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Publication number: 20120038368Abstract: An electrode array, a system and a method for reconstructing the distribution of electrical properties within a multi-material object. One embodiment includes electrodes arranged along a three-dimensional helical path to provide one or more helical arrays and circuitry to measure signals for calculating a conductivity or admittivity distribution representative of the interior of the structure. Image data may be obtained which is representative of the multi-material region.Type: ApplicationFiled: August 12, 2010Publication date: February 16, 2012Inventors: Sakethraman Mahalingam, Manoj Kumar Koyithitta Meethal, Prafull Sharma, Rajesh Veera Venkata Lakshmi Langoju, Wrichik Basu, Parama Ghoshal
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Publication number: 20110166814Abstract: A method for determining characteristics of a multi-material object is provided. The method includes determining an electric element matrix representing the multi-material object. The electric element matrix is pre-multiplied by a first mathematical transformation matrix to obtain a first transformed electric element matrix. The first transformed electric element matrix is post-multiplied with a second mathematical transformation matrix to obtain a second transformed electric element matrix. The method further includes determining the characteristics of the multi-material object based on the second transformed electric element matrix.Type: ApplicationFiled: January 5, 2010Publication date: July 7, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Sakethraman Mahalingam, Arijit Banerjee, Wrichik Basu, Harish Kumar Pillai
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Publication number: 20110163770Abstract: A method for determining characteristics of a multi-material object is provided. The method includes producing a rotating electric field by providing an applied electrical signal set of individual electrical signal patterns to electrodes surrounding the multi-material object. The method also includes obtaining a measured electrical signal of electrical signals from the electrodes corresponding to each electrical signal pattern applied. An electrical network is determined based on the applied electrical signal set, the measured electrical signal set and an inverse of the applied electrical signal set. The method further includes determining the characteristics of the multi-material object by analyzing the electrical network.Type: ApplicationFiled: January 5, 2010Publication date: July 7, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Sakethraman Mahalingam, Manoj Kumar Koyithitta Meethal, Arijit Banerjee, Wrichik Basu, Harish Kumar Pillai
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Publication number: 20100086834Abstract: An energy storage device is provided that includes a separator having a first surface and a second surface. The first surface defines at least a portion of a cathodic chamber, and the second surface defines an anodic chamber. The cathodic chamber includes an alkali metal halide that forms an ion that is capable of conducting through the separator. The anodic chamber has a volume that is filled with a consumable fluid. The amount of the consumable fluid is greater than 90 percent by volume of the anodic chamber volume. Furthermore, the consumable fluid is reactive with an ionic species of the alkali metal halide. A method of sealing the energy storage device is also provided.Type: ApplicationFiled: October 7, 2008Publication date: April 8, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Sakethraman Mahalingam, Lembit Salasoo, Kenneth Walter Browall, Ajit Wasant Kane, Ashalatha Devarajan