Patents by Inventor Bharat Bagepalli
Bharat Bagepalli 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: 10883771Abstract: A heat sink vessel is disclosed herein. The heat sink vessel includes a body and one or more heating media. The body defines an inner volume. The body includes an upper portion, a middle portion, and a lower portion. The upper portion has a conical entrance for incoming flow of fluid. The middle portion has a first side and a second side. The middle portion interfaces with the upper portion of the first side. The lower portion interfaces with the middle portion on the second side. The lower portion includes an inverted perforated conical liner and a perforated plate. The inverted perforated conical liner and the perforated plate control the flow of fluid exiting the vessel. The one or more heating media is disposed in the inner volume. The one or more heating media is configured to store heat during processing.Type: GrantFiled: November 21, 2018Date of Patent: January 5, 2021Assignee: Aestus Energy Storage, LLCInventors: Bharat Bagepalli, Thomas Wagner, Ercan Dumlupinar
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Publication number: 20190086159Abstract: A heat sink vessel is disclosed herein. The heat sink vessel includes a body and one or more heating media. The body defines an inner volume. The body includes an upper portion, a middle portion, and a lower portion. The upper portion has a conical entrance for incoming flow of fluid. The middle portion has a first side and a second side. The middle portion interfaces with the upper portion of the first side. The lower portion interfaces with the middle portion on the second side. The lower portion includes an inverted perforated conical liner and a perforated plate. The inverted perforated conical liner and the perforated plate control the flow of fluid exiting the vessel. The one or more heating media is disposed in the inner volume. The one or more heating media is configured to store heat during processing.Type: ApplicationFiled: November 21, 2018Publication date: March 21, 2019Inventors: Bharat Bagepalli, Thomas Wagner, Ercan Dumlupinar
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Patent number: 9074581Abstract: A rotor for a wind turbine is disclosed. The rotor includes a hub, a rotor blade, and a bearing assembly configured to rotate the rotor blade with respect to the hub. The rotor further includes an insert, the insert including a first end, a second end, and a body extending therebetween. The first end is coupled to the hub and the second end is coupled to the bearing assembly. The second end defines a second plane oriented at a cone angle with respect to a first plane defined by the first end.Type: GrantFiled: June 12, 2012Date of Patent: July 7, 2015Assignee: General Electric CompanyInventors: Bharat Bagepalli, Mohan Muthu Kumar Sivanantham, Bradley Graham Moore, Darren John Danielsen
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Publication number: 20140377078Abstract: A rotor blade for a wind turbine may include a body extending between a root end and a tip end. The body may include a root portion extending from the root end. The root portion may include an inner surface defining an inner circumference. The rotor blade may also include a root stiffener disposed within the root portion of the body. The root stiffener may be substantially ring-shaped and may extend around the inner circumference of the root portion. The root stiffener may define a plurality of radially oriented openings configured to receive fasteners for coupling the root stiffener to the root portion.Type: ApplicationFiled: June 24, 2013Publication date: December 25, 2014Inventors: Bharat Bagepalli, Bradley Graham Moore, Neils Christian Schmitt
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Publication number: 20140377072Abstract: In one aspect, a rotor blade for a wind turbine includes a body extending between a root end and a tip end. The body may include a root portion extending from the root end. The root portion may include an inner surface defining an inner circumference. In addition, the rotor blade may include a root stiffener disposed at least partially within the root portion of the body. The root stiffener may include a plurality of arms extending radially from the inner surface and may be configured to extend circumferentially around only a portion of the inner circumference of the root portion.Type: ApplicationFiled: June 24, 2013Publication date: December 25, 2014Inventors: Bradley Graham Moore, Bharat Bagepalli, Jonathan Henry Zalar, Darren John Danielsen, Afroz Akhtar, Max Robert Fason, Sujan Kumar Pal, Gitesh Verma
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Patent number: 8866362Abstract: An electrical machine stator is disclosed that includes a stack of laminations configured to be assembled together so as to define at least one stator tooth. The stack of laminations may include a plurality of nesting laminations and a plurality of shim laminations. Each nesting lamination may include a first edge section, a second edge section and a middle section extending between the first and second edge sections. At least one of the first edge section and the second edge section of each nesting lamination may be configured to be engaged against at least one of the first edge section and the second edge section of an adjacent nesting lamination when the stack of laminations is assembled together. Additionally, at least one shim lamination may be disposed between each pair of adjacent nesting laminations.Type: GrantFiled: October 25, 2011Date of Patent: October 21, 2014Assignee: General Electric CompanyInventors: Bharat Bagepalli, Robert Michael Zirin, Randy Scott Longtin
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Publication number: 20140119914Abstract: Load control systems and methods for shafts are provided. The load control system includes a sensor assembly. The sensor assembly includes a plurality of ultrasonic probes mounted to the shaft, each of the plurality of ultrasonic sensors configured to produce an ultrasonic wave on the shaft. The sensor assembly further includes a plurality of receivers mounted to the shaft, each of the plurality of receivers configured to sense the ultrasonic wave produced by one of the plurality of ultrasonic probes. The load control system further includes a controller communicatively coupled to the sensor assembly and configured to measure a travel time of the ultrasonic wave produced by each of the plurality of ultrasonic probes.Type: ApplicationFiled: November 1, 2012Publication date: May 1, 2014Applicant: GENERAL ELECTRIC COMPANYInventors: Sascha Schieke, Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Pekka Sipilae
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Publication number: 20140119933Abstract: A rotor blade for a wind turbine includes an internal support structure including a plurality of fixed, spaced support members extending in a chord-wise and span-wise direction and defining a generally aerodynamic contour of the rotor blade. A plurality of the support members have an outer surface with a longitudinally extending slot defined therein. A plurality of fabric strips are attached over the internal support structure in a tensioned state and define an aerodynamic outer skin. The fabric strips extend over and are attached to the support members with a longitudinally extending insert member that presses the fabric strips into the slot and lockingly engages within the slot.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: General Electric CompanyInventors: Bharat Bagepalli, Wendy Wen-Ling Lin, Biao Fang, Fulton Jose Lopez, Sriram Krishnamurthy
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Patent number: 8646177Abstract: An installation system and a method for mounting a rotor blade to a hub on a wind turbine are disclosed. The method includes coupling a rotor and a stator together, the rotor rotatably connected to the hub. The method further includes rotating the stator in a first direction, wherein rotation of the stator causes the rotor and the hub to rotate in the first direction. The method further includes securing the hub to prevent rotation of the hub. The installation system includes a coupling device configured to releasably couple a stator and a rotor together and a securing device configured to releasably secure the hub. The installation system further includes at least one stator drive device operably connected to the stator, the stator drive device configured to rotate the stator between a first position and a second position.Type: GrantFiled: December 7, 2010Date of Patent: February 11, 2014Assignee: General Electric CompanyInventors: Suresh S. Tirumalai, Bharat Bagepalli, Kurt J. Goodwin
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Publication number: 20130330199Abstract: A rotor for a wind turbine is disclosed. The rotor includes a hub, a rotor blade, and a bearing assembly configured to rotate the rotor blade with respect to the hub. The rotor further includes an insert, the insert including a first end, a second end, and a body extending therebetween. The first end is coupled to the hub and the second end is coupled to the bearing assembly. The second end defines a second plane oriented at a cone angle with respect to a first plane defined by the first end.Type: ApplicationFiled: June 12, 2012Publication date: December 12, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Bharat Bagepalli, Mohan Muthu Kumar Sivanantham, Bradley Graham Moore, Darren John Danielsen
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System and method for detecting loads transmitted through a blade root of a wind turbine rotor blade
Patent number: 8591187Abstract: In one aspect, a system for detecting loads transmitted through a blade root of a rotor blade of a wind turbine is disclosed. The system may include a root attachment assembly configured to couple the blade root to a hub of the wind turbine. The root attachment assembly may include a barrel nut mounted within a portion of the blade root and a root bolt extending from the barrel nut. In addition, the system may include a sensor associated with the root attachment assembly. The sensor may be configured to detect loads transmitted through at least one of the barrel nut and the root bolt.Type: GrantFiled: December 6, 2011Date of Patent: November 26, 2013Assignee: General Electric CompanyInventors: Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Sascha Schieke, Pekka Sipilae -
Patent number: 8506250Abstract: A wind turbine rotor blade assembly includes a rotor blade having a pressure side, a suction side, a leading edge, and a trailing edge extending in a generally span-wise direction between a tip and a root. An edge extension is attached along the trailing edge and includes a first strip member having a span-wise attachment section attached to pressure side, and a second strip member having a span-wise attachment section attached to the suction side. Each of the first and second strip members has an outboard edge and an extension section that projects chord-wise beyond the trailing edge. The extension sections are adhesively attached to each other outboard of the trailing edge along a span-wise length of the first and second strip members and define an adhesively bonded closure edge of the edge extension. A method is also provided for forming an edge extension on a wind turbine rotor blade.Type: GrantFiled: October 19, 2011Date of Patent: August 13, 2013Assignee: General Electric CompanyInventors: Bharat Bagepalli, Stefan Herr
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Patent number: 8434996Abstract: A system for detecting loads in a wind turbine is disclosed. In one aspect, the system may generally include a shaft and first and second pillow blocks receiving portions of the shaft. The second pillow block may be spaced axially apart from the first pillow block. Additionally, the system may include at least one sensor configured to indirectly detect loads transmitted through at least one of the first pillow block and the second pillow block.Type: GrantFiled: December 6, 2011Date of Patent: May 7, 2013Assignee: General Electric CompanyInventors: Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Sascha Schieke, Pekka Sipilae
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Publication number: 20130099503Abstract: An electrical machine stator is disclosed that includes a stack of laminations configured to be assembled together so as to define at least one stator tooth. Each lamination may include an inner edge, an outer edge and first and second side edges extending at least partially between the inner and outer edges so as to define at least a portion of the at least one tooth. Additionally, each lamination may define a nesting feature between the first and second side edges, wherein the nesting feature of each lamination is engaged against the nesting feature of an adjacent lamination when the stack of laminations is assembled together.Type: ApplicationFiled: October 25, 2011Publication date: April 25, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Bharat Bagepalli, Robert Michael Zirin, Randy Scott Longtin, Kiruba Sivasubramaniam Haran, Jan Erich Hemmelmann, Francesco Papini, Alexander Fiseni
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Publication number: 20130099504Abstract: An electrical machine stator is disclosed that includes a stack of laminations configured to be assembled together so as to define at least one stator tooth. The stack of laminations may include a plurality of nesting laminations and a plurality of shim laminations. Each nesting lamination may include a first edge section, a second edge section and a middle section extending between the first and second edge sections. At least one of the first edge section and the second edge section of each nesting lamination may be configured to be engaged against at least one of the first edge section and the second edge section of an adjacent nesting lamination when the stack of laminations is assembled together. Additionally, at least one shim lamination may be disposed between each pair of adjacent nesting laminations.Type: ApplicationFiled: October 25, 2011Publication date: April 25, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Bharat Bagepalli, Robert Michael Zirin, Randy Scott Longtin
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Patent number: 8308437Abstract: A wind turbine includes a nacelle mounted atop a tower. Power generating components are housed within the nacelle. A rotor hub is rotationally coupled to the power generating components. A plurality of blades are fixed to the rotor hub. The blades include a root section extending radially outward from the rotor hub and an aerodynamic section extending radially outward from the root section, wherein lift is generated by the blades primarily along the aerodynamic section. Aerodynamic fins extend radially outward from the rotor hub alongside the root sections of the blades and have an aerodynamic shape so as to capture wind and impart rotational torque to the hub from a central impinging wind zone that is coaxial to the rotor hub and the blade root sections.Type: GrantFiled: April 26, 2011Date of Patent: November 13, 2012Assignee: General Electric CompanyInventors: Bharat Bagepalli, Aniruddha D. Gadre, Nitin Narayan Bhate
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Publication number: 20120134817Abstract: A wind turbine rotor blade assembly includes a rotor blade having a pressure side, a suction side, a leading edge, and a trailing edge extending in a generally span-wise direction between a tip and a root. An edge extension is attached along the trailing edge and includes a first strip member having a span-wise attachment section attached to pressure side, and a second strip member having a span-wise attachment section attached to the suction side. Each of the first and second strip members has an outboard edge and an extension section that projects chord-wise beyond the trailing edge. The extension sections are adhesively attached to each other outboard of the trailing edge along a span-wise length of the first and second strip members and define an adhesively bonded closure edge of the edge extension. A method is also provided for forming an edge extension on a wind turbine rotor blade.Type: ApplicationFiled: October 19, 2011Publication date: May 31, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Bharat Bagepalli, Stefan Herr
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Publication number: 20120134811Abstract: A system for detecting loads in a wind turbine is disclosed. In one aspect, the system may generally include a shaft, first and second pillow blocks receiving portions of the shaft and a bedplate supporting the first and second pillow blocks. The second pillow block may be spaced axially apart from the first pillow block. Additionally, the system may include at least one sensor configured to directly or indirectly detect loads transmitted through the bedplate.Type: ApplicationFiled: December 6, 2011Publication date: May 31, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Bharat Bagepalli, Pekka Sipilae
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Publication number: 20120134810Abstract: A system for detecting loads in a wind turbine is disclosed. In one aspect, the system may generally include a shaft and first and second pillow blocks receiving portions of the shaft. The second pillow block may be spaced axially apart from the first pillow block. Additionally, the system may include at least one sensor configured to indirectly detect loads transmitted through at least one of the first pillow block and the second pillow block.Type: ApplicationFiled: December 6, 2011Publication date: May 31, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Sascha Schieke, Pekka Sipilae
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SYSTEM AND METHOD FOR DETECTING LOADS TRANSMITTED THROUGH A BLADE ROOT OF A WIND TURBINE ROTOR BLADE
Publication number: 20120134809Abstract: In one aspect, a system for detecting loads transmitted through a blade root of a rotor blade of a wind turbine is disclosed. The system may include a root attachment assembly configured to couple the blade root to a hub of the wind turbine. The root attachment assembly may include a barrel nut mounted within a portion of the blade root and a root bolt extending from the barrel nut. In addition, the system may include a sensor associated with the root attachment assembly. The sensor may be configured to detect loads transmitted through at least one of the barrel nut and the root bolt.Type: ApplicationFiled: December 6, 2011Publication date: May 31, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Bharat Bagepalli, Nilesh Tralshawala, Aditi Koppikar, Sascha Schieke, Pekka Sipilae