Patents by Inventor Sabarinath Devarajan
Sabarinath Devarajan 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: 11629606Abstract: A compressor section includes a compressor casing that has an upper casing portion coupled to a lower casing portion such that a split-line is defined between the upper casing portion and the lower casing portion. A split-line stator vane assembly includes a first split-line stator vane that has a first shank with a first platform portion and a first mounting portion extends radially outward of the first platform portion. A first airfoil extends radially inward of the platform portion. The first platform portion includes a protrusion that extends circumferentially beyond the split-line. A second split-line stator vane having second shank with a second platform portion and a second mounting portion extends radially outward of the second platform portion. A second airfoil extends radially inward of the second platform portion. The second platform portion includes a recess that extends circumferentially away from the split-line.Type: GrantFiled: July 30, 2021Date of Patent: April 18, 2023Assignee: General Electric CompanyInventors: Michael James Healy, Sabarinath Devarajan, Carlos Alberto Cardoza
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Patent number: 11519273Abstract: A rotor blade includes an airfoil having an airfoil shape. The airfoil shape has a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in one of Table I, Table II, Table III, Table IV, Table V, Table VI, Table VII, Table VIII, or Table IX. The Cartesian coordinate values of X, Y and Z are non-dimensional values from 0% to 100% convertible to dimensional distances expressed in a unit of distance by multiplying the Cartesian coordinate values of X, Y and Z by a scaling factor of the airfoil in the unit of distance. The X and Y values, when connected by smooth continuing arcs, define airfoil profile sections at each Z value. The airfoil profile sections at Z values are joined smoothly with one another to form a complete airfoil shape.Type: GrantFiled: July 16, 2021Date of Patent: December 6, 2022Assignee: General Electric CompanyInventors: Michael James Healy, Matthew John McKeever, Sabarinath Devarajan, Uday Krishna Pappala, Kevin Michael Barnett, Kumaran Vale Mudaliar, Wilfried Rick, Moorthi Subramaniyan, Karan Ghule, Denis Stankovic, Yu Wang, Marco Micheli, Mariadas Anton Charles Anandarajah, Michael Loetzerich
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Publication number: 20220381150Abstract: A compressor section includes a compressor casing that has an upper casing portion coupled to a lower casing portion such that a split-line is defined between the upper casing portion and the lower casing portion. A split-line stator vane assembly includes a first split-line stator vane that has a first shank with a first platform portion and a first mounting portion extends radially outward of the first platform portion. A first airfoil extends radially inward of the platform portion. The first platform portion includes a protrusion that extends circumferentially beyond the split-line. A second split-line stator vane having second shank with a second platform portion and a second mounting portion extends radially outward of the second platform portion. A second airfoil extends radially inward of the second platform portion. The second platform portion includes a recess that extends circumferentially away from the split-line.Type: ApplicationFiled: July 30, 2021Publication date: December 1, 2022Inventors: Michael James Healy, Sabarinath Devarajan, Carlos Alberto Cardoza
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Publication number: 20220372878Abstract: A rotor blade includes an airfoil having an airfoil shape. The airfoil shape has a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in one of Table I, Table II, Table III, Table IV, Table V, Table VI, Table VII, Table VIII, or Table IX. The Cartesian coordinate values of X, Y and Z are non-dimensional values from 0% to 100% convertible to dimensional distances expressed in a unit of distance by multiplying the Cartesian coordinate values of X, Y and Z by a scaling factor of the airfoil in the unit of distance. The X and Y values, when connected by smooth continuing arcs, define airfoil profile sections at each Z value. The airfoil profile sections at Z values are joined smoothly with one another to form a complete airfoil shape.Type: ApplicationFiled: July 16, 2021Publication date: November 24, 2022Inventors: Michael James Healy, Matthew John McKeever, Sabarinath Devarajan, Uday Krishna Pappala, Kevin Michael Barnett, Kumaran Vale Mudaliar, Wilfried Rick, Moorthi Subramaniyan, Karan Ghule, Denis Stankovic, Yu Wang, Marco Micheli, Mariadas Anton Charles Anandarajah, Michael Loetzerich
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Patent number: 11459892Abstract: A stator vane includes an airfoil having an airfoil shape. The airfoil shape having has a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in one of Table I, Table II, Table III, Table IV, Table V, Table VI, Table VII, Table VIII, Table IX, Table X, Table XI, or Table XII. The Cartesian coordinate values of X, Y and Z are non-dimensional values from 0% to 100% convertible to dimensional distances expressed in a unit of distance by multiplying the Cartesian coordinate values of X, Y and Z by a scaling factor of the airfoil in the unit of distance. The X and Y values, when connected by smooth continuing arcs, define airfoil profile sections at each Z value. The airfoil profile sections at Z values are joined smoothly with one another to form a complete airfoil shape.Type: GrantFiled: November 9, 2021Date of Patent: October 4, 2022Assignee: General Electric CompanyInventors: Matthew John McKeever, Michael James Healy, Wilfried Rick, Rozila Nausheen, Sabarinath Devarajan, Moorthi Subramaniyan, Vsevolod Yuriyevich Ostrovskiy, Kumaran Vale Mudaliar, Damir Novak, Thomas Sommer, Aditya Rajeshbhai Shah, Uday Krishna Pappala, Kevin Michael Barnett, Josip Galic, Gurulakshmi Polisetty, Paul G. Deivernois, Dejan Mikasinovic
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Patent number: 9719418Abstract: In a turbomachine having an inlet, a compressor, and a turbine, a closed loop sends fluid from a stage of the compressor to a heat exchanger in the turbine and to the inlet. The closed loop heats the fluid, cools the turbine, and delivers heated fluid to the inlet. A mixer can be interposed between the heat exchanger and the inlet to mix fluid from the heat exchanger with compressor discharge fluid, delivering the mixed fluid to the inlet. The mixer can control flow received so that desired temperature and/or flow rate can be provided to the inlet.Type: GrantFiled: April 1, 2013Date of Patent: August 1, 2017Assignee: GENERAL ELECTRIC COMPANYInventors: Prashant Kumar, Sabarinath Devarajan, Vivekanandhan Thiruvettipuram Madhivanan, Indrajit Mazumder, Hemant Puri, Chandrasekhar Pushkaran, Rajarshi Saha
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Patent number: 9447732Abstract: Embodiments of the present disclosure are directed towards a system that includes a recirculation system. The recirculation system includes a compressor discharge air line extending from a compressor to an air intake. The compressor discharge air line is configured to flow a compressor discharge air flow, and the air intake is configured to supply an air flow to the compressor. An ejector is disposed along the compressor discharge air line between the compressor and the air intake. The ejector is configured to receive and mix the compressor discharge air flow and a turbine exhaust flow to form a first mixture.Type: GrantFiled: November 26, 2012Date of Patent: September 20, 2016Assignee: General Electric CompanyInventors: Indrajit Mazumder, Rajarshi Saha, Seyfettin Can Gulen, Sabarinath Devarajan, Prashant Kumar
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Patent number: 8959738Abstract: A process of repairing a component, a repair tool for a component, and a component are disclosed. The process includes removing material from a region of the component. The removing forms a through-cut in the component, forms a partial-frustoconical geometry in the component, forms a substantially partial-frustoconical geometry in the component, forms a partial-spherical geometry in the component, forms a substantially partial-spherical geometry in the component, forms a partial-elliptical geometry in the component, forms a substantially partial-elliptical geometry in the component, forms a partial-cylindrical geometry in the component, forms a substantially partial-cylindrical geometry in the component, is in a direction substantially perpendicular to a surface of the component, is in a direction substantially inclined with respect to the surface of the component, or a combination thereof. The repair tool includes a securing mechanism and a cutting portion for removing a region.Type: GrantFiled: March 21, 2012Date of Patent: February 24, 2015Assignee: General Electric CompanyInventors: Yagnesh Dalpatbhai Hathiwala, Howard Gerhard Halverson, Somayajula Kumar, Sabarinath Devarajan, David Christopher Bayer
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Publication number: 20140294566Abstract: In a turbomachine having an inlet, a compressor, and a turbine, a closed loop sends fluid from a stage of the compressor to a heat exchanger in the turbine and to the inlet. The closed loop heats the fluid, cools the turbine, and delivers heated fluid to the inlet. A mixer can be interposed between the heat exchanger and the inlet to mix fluid from the heat exchanger with compressor discharge fluid, delivering the mixed fluid to the inlet. The mixer can control flow received so that desired temperature and/or flow rate can be provided to the inlet.Type: ApplicationFiled: April 1, 2013Publication date: October 2, 2014Applicant: General Electric CompanyInventors: Prashant Kumar, Sabarinath Devarajan, Vivekanandhan Thiruvettipuram Madhivanan, Indrajit Mazumder, Hemant Puri, Chandrasekhar Pushkaran, Rajarshi Saha
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Publication number: 20140144124Abstract: Embodiments of the present disclosure are directed towards a system that includes a recirculation system. The recirculation system includes a compressor discharge air line extending from a compressor to an air intake. The compressor discharge air line is configured to flow a compressor discharge air flow, and the air intake is configured to supply an air flow to the compressor. An ejector is disposed along the compressor discharge air line between the compressor and the air intake. The ejector is configured to receive and mix the compressor discharge air flow and a turbine exhaust flow to form a first mixture.Type: ApplicationFiled: November 26, 2012Publication date: May 29, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Indrajit Mazumder, Rajarshi Saha, Seyfettin Can Gulen, Sabarinath Devarajan, Prashant Kumar
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Patent number: 8556584Abstract: A rotating component of a turbine engine is provided and includes a wheel having a face to which fluid flow is provided and a plurality of impeller vanes forming a plurality of grooves along which the fluid flow is directed from an outer to an inner diameter of the wheel face, at least one of the plurality of the impeller vanes including a radially inwardly facing vane surface formed to define a cutaway portion.Type: GrantFiled: February 3, 2011Date of Patent: October 15, 2013Assignee: General Electric CompanyInventors: Pradeep Kumar Mallaiah, Sabarinath Devarajan, Asim Kumar Ghosal, Yatheesh Aluvala Kumar
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Publication number: 20130247377Abstract: A process of repairing a component, a repair tool for a component, and a component are disclosed. The process includes removing material from a region of the component. The removing forms a through-cut in the component, forms a partial-frustoconical geometry in the component, forms a substantially partial-frustoconical geometry in the component, forms a partial-spherical geometry in the component, forms a substantially partial-spherical geometry in the component, forms a partial-elliptical geometry in the component, forms a substantially partial-elliptical geometry in the component, forms a partial-cylindrical geometry in the component, forms a substantially partial-cylindrical geometry in the component, is in a direction substantially perpendicular to a surface of the component, is in a direction substantially inclined with respect to the surface of the component, or a combination thereof. The repair tool includes a securing mechanism and a cutting portion for removing a region.Type: ApplicationFiled: March 21, 2012Publication date: September 26, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Yagnesh Dalpatbhai HATHIWALA, Howard Gerhard HALVERSON, Somayajula KUMAR, Sabarinath DEVARAJAN, David Christopher BAYER
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Publication number: 20120201669Abstract: A rotating component of a turbine engine is provided and includes a wheel having a face to which fluid flow is provided and a plurality of impeller vanes forming a plurality of grooves along which the fluid flow is directed from an outer to an inner diameter of the wheel face, at least one of the plurality of the impeller vanes including a radially inwardly facing vane surface formed to define a cutaway portion.Type: ApplicationFiled: February 3, 2011Publication date: August 9, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Pradeep Kumar Mallaiah, Sabarinath Devarajan, Asim Kumar Ghosal, Yatheesh Aluvala Kumar