Patents by Inventor Deepesh Dinesh Nanda
Deepesh Dinesh Nanda 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: 11143058Abstract: An exhaust device for a combined cycle power plant, includes a diffuser and a plenum. The diffuser includes a first wall, a second wall, a diffuser inlet, a diffuser outlet, and a diffuser flow path. The first and second walls extend circumferentially about a centerline axis of the exhaust device. The second wall is spaced from the first wall. The diffuser flow path is defined between the first and second walls, and extends from the diffuser inlet to outlet. The plenum includes an inlet wall portion and a non-circular plenum outlet, where the inlet wall portion is coupled to the diffuser outlet. The non-circular plenum outlet is spaced from the diffuser outlet along an axial direction of the exhaust device.Type: GrantFiled: December 19, 2018Date of Patent: October 12, 2021Assignee: General Electric CompanyInventor: Deepesh Dinesh Nanda
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Patent number: 10563543Abstract: The present disclosure provides an exhaust diffuser for a gas turbine engine. The exhaust diffuser may include a hub, a casing, and a strut extending between the hub and the casing. The hub may include an angled configuration about the strut and a substantially flat configuration downstream of the angled configuration.Type: GrantFiled: May 31, 2016Date of Patent: February 18, 2020Assignee: General Electric CompanyInventors: Santhosh Kumar Vijayan, Deepesh Dinesh Nanda, Manjunath Bangalore Chengappa
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Publication number: 20190186300Abstract: An exhaust device for a combined cycle power plant, includes a diffuser and a plenum. The diffuser includes a first wall, a second wall, a diffuser inlet, a diffuser outlet, and a diffuser flow path. The first and second walls extend circumferentially about a centerline axis of the exhaust device. The second wall is spaced from the first wall. The diffuser flow path is defined between the first and second walls, and extends from the diffuser inlet to outlet. The plenum includes an inlet wall portion and a non-circular plenum outlet, where the inlet wall portion is coupled to the diffuser outlet. The non-circular plenum outlet is spaced from the diffuser outlet along an axial direction of the exhaust device.Type: ApplicationFiled: December 19, 2018Publication date: June 20, 2019Inventor: Deepesh Dinesh Nanda
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Patent number: 10041377Abstract: A system includes a diffuser configured to receive exhaust gas from a turbine. The diffuser includes an outer barrel, an inner barrel, a seal interface, an outer aft plate, an inner aft plate, and poles. An upstream end of the outer barrel includes an upstream lip interfacing with a downstream lip of an outer wall of the turbine outlet, forming a lap joint. The outer barrel includes a plurality of axial segments disposed between the upstream end of the outer barrel and the outer aft plate, and the axial segments. The inner barrel includes a plurality of axial segments disposed between an upstream end of the inner barrel and the seal interface. The seal interface includes a groove configured to receive the inner aft plate. The poles are spaced about the turbine axis and couple an end of the outer aft plate to an end of the inner aft plate.Type: GrantFiled: November 24, 2015Date of Patent: August 7, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Deepesh Dinesh Nanda, Robert Jamiołkowski, Robert Jacek Zreda, Eric Yves Bracquemart, Daniel Tomasz Ożga
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Patent number: 10036283Abstract: A method includes inserting axially a radially interior surface of an aft plate assembly into a circumferential groove of an inner barrel of a diffuser section of a gas turbine, where the aft plate assembly is inserted into a first circumferential orientation relative to the circumferential groove, and the circumferential groove is disposed on a radially exterior surface of the inner barrel. The method includes rotating the aft plate assembly circumferentially within the circumferential groove from the first circumferential orientation to a second circumferential orientation, where the inner barrel is configured to axially retain the aft plate assembly when the aft plate assembly is disposed in the second circumferential orientation.Type: GrantFiled: May 11, 2016Date of Patent: July 31, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Deepesh Dinesh Nanda, Robert Jamiolkowski, Robert Jacek Zreda, Eric Yves Bracquemart, Daniel Tomasz Ozga
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Publication number: 20170342862Abstract: The present application provides an exhaust diffuser for a gas turbine engine. The exhaust diffuser may include a hub, a casing, and a strut extending between the hub and the casing. The hub may include an angled configuration about the strut and a substantially flat configuration downstream of the angled configuration.Type: ApplicationFiled: May 31, 2016Publication date: November 30, 2017Inventors: Santhosh Kumar Vijayan, Deepesh Dinesh Nanda, Manjunath Bangalore Chengappa
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Publication number: 20170145864Abstract: A method includes inserting axially a radially interior surface of an aft plate assembly into a circumferential groove of an inner barrel of a diffuser section of a gas turbine, where the aft plate assembly is inserted into a first circumferential orientation relative to the circumferential groove, and the circumferential groove is disposed on a radially exterior surface of the inner barrel. The method includes rotating the aft plate assembly circumferentially within the circumferential groove from the first circumferential orientation to a second circumferential orientation, where the inner barrel is configured to axially retain the aft plate assembly when the aft plate assembly is disposed in the second circumferential orientation.Type: ApplicationFiled: May 11, 2016Publication date: May 25, 2017Inventors: Deepesh Dinesh Nanda, Robert Jamiolkowski, Robert Jacek Zreda, Eric Yves Bracquemart, Daniel Tomasz Ozga
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Publication number: 20170145863Abstract: A system includes a diffuser configured to receive exhaust gas from a turbine. The diffuser includes an outer barrel, an inner barrel, a seal interface, an outer aft plate, an inner aft plate, and poles. An upstream end of the outer barrel includes an upstream lip interfacing with a downstream lip of an outer wall of the turbine outlet, forming a lap joint. The outer barrel includes a plurality of axial segments disposed between the upstream end of the outer barrel and the outer aft plate, and the axial segments. The inner barrel includes a plurality of axial segments disposed between an upstream end of the inner barrel and the seal interface. The seal interface includes a groove configured to receive the inner aft plate. The poles are spaced about the turbine axis and couple an end of the outer aft plate to an end of the inner aft plate.Type: ApplicationFiled: November 24, 2015Publication date: May 25, 2017Inventors: Deepesh Dinesh Nanda, Robert Jamiolkowski, Robert Jacek Zreda, Eric Yves Bracquemart, Daniel Tomasz Ozga
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Patent number: 9284853Abstract: A system and method for integrating sections of a turbine are provided. In one system, a turbine includes a last stage bucket section with a first annular outer wall that is angled with respect to a centerline of the turbine at a first angle average. The turbine also includes a diffuser section having a second annular outer wall that is angled with respect to the centerline of the turbine at a second angle average for improving radial swirl. The first angle average is greater than the second angle average.Type: GrantFiled: October 20, 2011Date of Patent: March 15, 2016Assignee: General Electric CompanyInventors: Deepesh Dinesh Nanda, Gunnar Leif Siden, Craig Allen Bielek
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Publication number: 20130189088Abstract: A turbine exhaust diffuser system includes a plurality of manways. The plurality of manways each extend between an outer wall of the turbine exhaust diffuser system and an interior access tunnel of the turbine exhaust diffuser system. The plurality of manways extend between the outer wall and the access tunnel at an angle that is not perpendicular to a central axis of the turbine exhaust diffuser system.Type: ApplicationFiled: March 26, 2012Publication date: July 25, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Deepesh Dinesh Nanda, Piotr Edward Kobek
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Publication number: 20130180246Abstract: A diffuser for a gas turbine includes an inlet adapted for coupling to the gas turbine. The diffuser also includes at least one outlet located proximate a diffuser end, wherein the diffuser end is located downstream of the inlet. The diffuser further includes an outer wall and an inner barrel that extends substantially to the diffuser end.Type: ApplicationFiled: January 13, 2012Publication date: July 18, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Deepesh Dinesh Nanda, Jonathan Glenn Luedke
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Publication number: 20130180245Abstract: A gas turbine is provided, including a turbine, an exhaust diffuser, and a plasma actuator. The turbine releases an exhaust gas. The exhaust diffuser receives the exhaust gas from the turbine. The exhaust diffuser has an inlet and an outlet, and at least one wall that is disposed between the inlet and the outlet. The plasma actuator produces a plasma along the at least one wall of the diffuser.Type: ApplicationFiled: January 12, 2012Publication date: July 18, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Seyed Gholamali Saddoughi, Deepesh Dinesh Nanda, Antanu Sadhu
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Publication number: 20130174553Abstract: A diffuser having fluidic actuation therein includes a diffuser inlet and an inner barrel extending from proximate the diffuser inlet in a direction relatively downstream of the diffuser inlet. The diffuser also includes an actuating opening in the inner barrel proximate the diffuser inlet. The diffuser further includes a suction opening in the inner barrel located downstream of the actuating opening. The diffuser yet further includes a flow manipulator disposed substantially within the inner barrel.Type: ApplicationFiled: January 11, 2012Publication date: July 11, 2013Applicant: GENERAL ELECTRIC COMPANYInventor: Deepesh Dinesh Nanda
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Publication number: 20130101387Abstract: A system and method for integrating sections of a turbine are provided. In one system, a turbine includes a last stage bucket section with a first annular outer wall that is angled with respect to a centerline of the turbine at a first angle average. The turbine also includes a diffuser section having a second annular outer wall that is angled with respect to the centerline of the turbine at a second angle average for improving radial swirl. The first angle average is greater than the second angle average.Type: ApplicationFiled: October 20, 2011Publication date: April 25, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Deepesh Dinesh Nanda, Gunnar Leif Siden, Craig Allen Bielek
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Publication number: 20130091865Abstract: An exhaust gas diffuser is provided and includes a peripheral body, a center body, formed to define an interior and disposed within the peripheral body to define an annulus between the peripheral body and the center body through which a first fluid flows along a main flow direction, a plurality of first members, each of which is respectively coupled to the peripheral body and the center body, to support the center body within the peripheral body and a plurality of second members, each of which extends across the annulus from the peripheral body to the center body downstream from the plurality of the first members relative to the main flow direction, to transport a second fluid to the center body interior. The plurality of the second members is circumferentially clocked relative to the plurality of the first members.Type: ApplicationFiled: October 17, 2011Publication date: April 18, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Deepesh Dinesh Nanda, Joshy John
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Patent number: 8418717Abstract: An apparatus is provided and includes a plenum into which a fluid is exhausted, the plenum including a wall toward which the exhausted fluid is directed, the wall including first sections, second sections interposed between the first sections and a flow splitter interposed between the second sections, and a plane of the second sections being recessed from a plane of the first sections and the flow splitter protruding from the plane of the second sections.Type: GrantFiled: July 22, 2010Date of Patent: April 16, 2013Assignee: General Electric CompanyInventors: Rohit Pruthi, Deepesh Dinesh Nanda
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Publication number: 20130081731Abstract: According to one aspect of the invention, an exhaust gas diffuser includes an outer casing disposed about a center line of the exhaust gas diffuser, a hub disposed about the center line, and an end portion of the hub comprises a recess configured to cause a flow of exhaust gas toward the center line as the exhaust gas flows in a downstream direction.Type: ApplicationFiled: February 28, 2012Publication date: April 4, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Deepesh Dinesh Nanda, Piotr Edward Kobek
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Publication number: 20120027578Abstract: A discharge diffuser that includes: a forward section and a dump cavity, the forward section being configured to direct discharge from the compressor to the dump cavity; an inner diffuser wall that defines an inner radial flowpath of the upstream section; and an outer diffuser wall that defines an outer radial flowpath of the upstream section; wherein at an aft lip of the inner diffuser wall, the discharge diffuser comprises an overhanging step.Type: ApplicationFiled: July 30, 2010Publication date: February 2, 2012Inventor: Deepesh Dinesh Nanda
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Publication number: 20120018015Abstract: An apparatus is provided and includes a plenum into which a fluid is exhausted, the plenum including a wall toward which the exhausted fluid is directed, the wall including first sections, second sections interposed between the first sections and a flow splitter interposed between the second sections, and a plane of the second sections being recessed from a plane of the first sections and the flow splitter protruding from the plane of the second sections.Type: ApplicationFiled: July 22, 2010Publication date: January 26, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Rohit Pruthi, Deepesh Dinesh Nanda
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Publication number: 20110088379Abstract: An exhaust gas diffuser includes a center body having an inlet adapted for coupling to a gas turbine, an outer wall, an inner wall and an end downstream from the inlet. The inner wall forms a continuous curve from an entry location to the end. The diffuser also includes a second portion coupled to the end of the of center body.Type: ApplicationFiled: October 15, 2009Publication date: April 21, 2011Applicant: GENERAL ELECTRIC COMPANYInventor: Deepesh Dinesh Nanda