Patents by Inventor Deepak Aravind
Deepak Aravind 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: 11087920Abstract: A method for controlling operation of transformer system includes receiving, by a controller unit, transformer data corresponding to a transformer. The transformer data includes a plurality of transformer input parameters and a plurality of transformer output parameters. The method further includes receiving, by a digital transformer unit, the plurality of transformer input parameters from the controller unit. The digital transformer unit is a real-time operational model of the transformer. The method also includes generating, by the digital transformer unit, a plurality of transformer output parameter estimates corresponding to the plurality of transformer output parameters. The method further includes controlling operation of the transformer, by the controller unit, based on at least one of the transformer data and the plurality of transformer output parameter estimates.Type: GrantFiled: March 30, 2018Date of Patent: August 10, 2021Assignee: GENERAL ELECTRIC COMPANYInventors: Prabhakar Neti, Karim Younsi, Deepak Aravind
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Patent number: 11075545Abstract: A wireless power transfer system is disclosed. The wireless power transfer system includes a first converting unit for converting a first DC voltage of an input power to a first AC voltage, a contactless power transfer unit for transmitting the input power having the first AC voltage, and a second converting unit for transmitting the power having a second DC voltage corresponding to the first AC voltage to an electric load. Additionally, the wireless power transfer system includes an active voltage tuning unit for controlling the second DC voltage based on a difference between the second DC voltage and a reference voltage and at least one among a difference between the resonant frequency and the constant operating frequency and a difference between a phase angle of the first AC voltage and a phase angle of an AC current.Type: GrantFiled: July 31, 2019Date of Patent: July 27, 2021Assignee: General Electric CompanyInventors: Kapil Jha, Arun Kumar Raghunathan, Arvind Kumar Tiwari, Deepak Aravind
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Patent number: 11018530Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for wireless power transmission. In accordance with this disclosure, a wireless power transmission apparatus (such as a charging pad) may support positional freedom such that a wireless power receiving apparatus may be charged regardless of positioning or orientation of the wireless power receiving apparatus. Various implementations include the use of multiple primary coils in a wireless power transmission apparatus. In some implementations, a wireless power transmission apparatus having multiple local controllers to activate different primary coils. In some implementations, the wireless power transmission apparatus may support concurrent charging of multiple wireless power receiving apparatuses.Type: GrantFiled: November 8, 2018Date of Patent: May 25, 2021Assignee: GE Hybrid Technologies, LLCInventors: Suma Memana Narayana Bhat, Viswanathan Kanakasabai, Deepak Aravind, Adnan Kutubuddin Bohori
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Publication number: 20210152027Abstract: A receiver unit of a wireless power transfer system is presented. The receiver unit includes a main receiver coil, a plurality of auxiliary receiver coils disposed about a central axis of the main receiver coil, and a receiver drive subunit. The receiver drive subunit includes a main converter operatively coupled to the main receiver coil and having a main output terminal. The receiver drive subunit may include a plurality of auxiliary converters operatively coupled to the plurality of auxiliary receiver coils. The plurality of auxiliary converters may be operatively coupled to each other to form an auxiliary output terminal coupled in series to the main output terminal to form a common output terminal. In some implementations, the receiver drive unit may be formed on a substrate of an integrated electronic component. The integrated electronic component may further include a communication subunit and a controller disposed.Type: ApplicationFiled: March 22, 2019Publication date: May 20, 2021Inventors: Viswanathan Kanakasabai, Deepak Aravind, Suma Memana Narayana Bhat, Adnan Kutubuddin Bohori
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Publication number: 20210138917Abstract: A detection device (100) includes a detection mat (102) having a plurality of detection coils (106), and at least one pair of groups of detection coils (106), the pair of groups of detection coils (106) includes first and second groups of detection coils (106). The first and second group of detection coils (106) comprises first and second first and second impedance values. The detection device (100) includes one or more drive sub-systems (112) and a comparison sub-system (112). The drive sub-systems (112) are operatively coupled to the detection mat (102) and configured to excite at least one pair of groups of detection coils (106). The comparison sub-system (114) is operatively coupled to the detection mat (102) and configured to receive a differential current signal from the pair of groups of detection coils (106), the comparison sub-system (114) is configured to generate a control signal based on the differential current signal.Type: ApplicationFiled: April 17, 2019Publication date: May 13, 2021Inventors: Viswanathan Kanakasabai, Deepak Aravind, Suma Memana Narayana Bhat, Adnan Kutubuddin Bohori
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Patent number: 10985611Abstract: A method for estimating grid strength of a power grid connected to a renewable energy farm having a plurality of renewable energy power systems includes measuring, at least, a voltage, an active power, and a reactive power at a point of interconnection of the renewable energy farm to the power grid. The method also includes determining a sensitivity of the voltage to at least one of the active power or the reactive power at the point of interconnection. Further, the method includes determining the grid strength of the power grid as a function of the sensitivity of the voltage to at least one of the active power or the reactive power at the point of interconnection. In addition, the method includes dynamically determining at least one of an active power command or a reactive power command for the renewable energy farm at the point of interconnection based on the grid strength.Type: GrantFiled: April 10, 2019Date of Patent: April 20, 2021Assignee: General Electric CompanyInventors: Deepak Raj Sagi, Kasi Viswanadha Raju Gadiraju, Deepak Aravind, Vaidhya Nath Venkitanarayanan
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Publication number: 20210078426Abstract: A method (500) includes utilizing (502) a detection device comprising a detection mat having a plurality of detection coils, and at least one pair of groups of detection coils having a first group of detection coils and a second group of detection coils, and where the first group of detection coils includes a first impedance value, and a second group of detection coils includes a second impedance value. The method further includes determining (504) alignment parameters representative of electromagnetic coupling between at least one pair of groups of detection coils of the detection mat and an electromagnetic field generated by an apparatus coil, and comparing (506) the alignment parameters with a reference. The method also includes generating (508) a control signal indicative of an alignment position of the apparatus coil with respect to the detection mat based on the compared alignment parameters.Type: ApplicationFiled: April 17, 2019Publication date: March 18, 2021Inventors: Suma Memana Narayana Bhat, Deepak Aravind, Viswanathan Kanakasabai, Adnan Kutubuddin Bohori
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Publication number: 20210083526Abstract: A device for detecting a foreign object (112) in a WPT system is disclosed. The device includes an injection unit (122) to receive a DC power signal and generate a first AC power signal having a first frequency. Also, the device includes an array of coils (120) to receive the first AC power signal having the first frequency and generate a first electromagnetic field at the first frequency. Further, the device includes a detection unit (124) to measure a parameter of at least one of the DC power signal received by the injection unit (122) and the first AC power signal generated by the injection unit (122), and detect the foreign object (112) within the first electromagnetic field based on a change in the parameter of at least one of the DC power signal and the first AC power signal across at least one of the array of coils (120).Type: ApplicationFiled: April 17, 2019Publication date: March 18, 2021Inventors: Suma Memana Narayana Bhat, Deepak Aravind, Viswanathan Kanakasabai, Pradeep Vijayan, Adnan Kutubuddin Bohori
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Patent number: 10897153Abstract: A charging pad for charging one or more receiver devices is disclosed. The charging pad includes at least one first resonator coil operable at a first frequency band and at least one second resonator coil operable at a second frequency band. Further, the charging pad includes at least one exciter coil magnetically coupled to the at least one first resonator coil and the at least one second resonator coil. In addition, the charging pad includes an excitation unit operationally coupled to the at least one exciter coil and configured to drive the at least one first resonator coil and the at least one second resonator coil via the at least one exciter coil.Type: GrantFiled: August 3, 2017Date of Patent: January 19, 2021Assignee: General Electric CompanyInventors: Pradeep Vijayan, Somakumar Ramachandrapanicker, Deepak Aravind, Arun Kumar Raghunathan, Vishnu Mahadeva Iyer
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Patent number: 10865635Abstract: A method of controlling a gas vent system to vent gas from a wellbore that includes a substantially horizontal portion. The method includes determining an initial operating mode of the gas vent system; generating one or more control signals established for the determined initial operation mode; and transmitting the one or more control signals to a gas vent valve that commands the closing or opening of the gas vent valve. A controller for use in venting gas from a wellbore is additionally disclosed.Type: GrantFiled: March 14, 2017Date of Patent: December 15, 2020Assignee: Baker Hughes Oilfield Operations, LLCInventors: Kalpesh Singal, Deepak Aravind, Jeremy Daniel VanDam, Yashwanth Tummala
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Patent number: 10819259Abstract: An electric machine is presented. The electric machine includes a stator. The electric machine further includes rotor disposed adjacent to the stator. The rotor includes a rotor core, a plurality of permanent magnets disposed in contact with the rotor core, a plurality of permanent magnets disposed in contact with the rotor core to modulate torque exerted on the rotor.Type: GrantFiled: May 4, 2017Date of Patent: October 27, 2020Assignee: GE GLOBAL SOURCING LLCInventors: Patel Bhageerath Reddy, Deepak Aravind
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Publication number: 20200328611Abstract: A method for estimating grid strength of a power grid connected to a renewable energy farm having a plurality of renewable energy power systems includes measuring, at least, a voltage, an active power, and a reactive power at a point of interconnection of the renewable energy farm to the power grid. The method also includes determining a sensitivity of the voltage to at least one of the active power or the reactive power at the point of interconnection. Further, the method includes determining the grid strength of the power grid as a function of the sensitivity of the voltage to at least one of the active power or the reactive power at the point of interconnection. In addition, the method includes dynamically determining at least one of an active power command or a reactive power command for the renewable energy farm at the point of interconnection based on the grid strength.Type: ApplicationFiled: April 10, 2019Publication date: October 15, 2020Inventors: Deepak Raj Sagi, Kasi Viswanadha Raju Gadiraju, Deepak Aravind, Vaidhya Nath Venkitanarayanan
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Publication number: 20200274390Abstract: A wireless power transceiver (WPT) device (102) is disclosed. The WPT device (102) includes an energy module (110) and a magnetic interfacing unit (114) comprising a transceiver coil (128). Further, the WPT device (102) includes a controller (116) configured to generate one of a first control signal and a second control signal based on at least one first parameter of the energy module (110) and at least one second parameter of one of a plurality of external devices (104). Also, the WPT device (102) includes a bi-directional driver (112) configured to transmit at least one of a first AC signal and a second AC signal through the transceiver coil (128) if the first control signal is received from the controller (116), and receive at least one of the first AC signal and the second AC signal if the second control signal is received from the controller (116).Type: ApplicationFiled: March 16, 2018Publication date: August 27, 2020Inventors: Suma Memana Narayana BHAT, Somakumar RAMACHANDRAPANICKER, Arun Kumar RAGHUNATHAN, Viswanathan KANAKASABAI, Deepak ARAVIND
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Publication number: 20200212721Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for wireless power transmission. In accordance with this disclosure, a wireless power transmission apparatus (such as a charging pad) may support positional freedom such that a wireless power receiving apparatus may be charged regardless of positioning or orientation of the wireless power receiving apparatus. Various implementations include the use of multiple primary coils in a wireless power transmission apparatus. The multiple primary coils may be configured in a pattern, size, shape, or arrangement that enhances positional freedom. In some implementations, the placement of the multiple primary coils may optimize the size and distribution of electromagnetic fields that are available to charge a wireless power receiving apparatus.Type: ApplicationFiled: December 19, 2019Publication date: July 2, 2020Inventors: Suma Memana Narayana Bhat, Viswanathan Kanakasabai, Deepak Aravind, Jayanti Ganesh, Adnan Kutubuddin Bohori
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Publication number: 20200083753Abstract: A charging pad (130) for charging one or more receiver devices (106, 108) is disclosed. The charging pad (130) includes a power drive unit (110) configured to generate a first AC voltage signal having a first frequency and a second AC voltage signal having a second frequency. Further, the charging pad (130) includes a transmitting unit (114) including a single power exchange coil (120) coupled to the power drive unit (110), wherein the single power exchange coil (120) includes a first coil segment (212) configured to transmit the first AC voltage signal having the first frequency when the first AC voltage signal is received from the power drive unit (110). Also, the single power exchange coil (120) includes a second coil segment (214) configured to transmit the second AC voltage signal having the second frequency when the second AC voltage signal is received from the power drive unit (110).Type: ApplicationFiled: October 27, 2017Publication date: March 12, 2020Inventors: Suma Memana Narayana BHAT, Deepak ARAVIND, Somakumar RAMACHANDRAPANICKER, Arun Kumar RAGHUNATHAN
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Publication number: 20200071656Abstract: A bio-processing system (100) for wirelessly powering one or more sensors (116-128, 400) is presented. The system (100) includes bio-processing units (106-110), process supporting devices (112-114), energy sources (146-148), and sensors (116-128, 400) including an energy harvesting unit (402) and an energy storage unit (404). The system (100) includes a power management subsystem (104, 200) wirelessly coupled to the sensors (116-128, 400) and including a processor (202) configured to wirelessly monitor energy consumption of the sensors (116-128, 400) and a level of energy stored in corresponding energy storage units (404), select at least one sensor (116-128, 400) based on the energy consumption of the sensors (116-128, 400) and corresponding levels of energy stored in the energy storage units (404), and identify at least one active energy source (146-148) as a power source, where the identified power source is configured to wirelessly transfer power to the selected sensor (116-128, 400).Type: ApplicationFiled: April 18, 2018Publication date: March 5, 2020Inventors: Suma Memana Narayana Bhat, Veena B N Rao, Andreas Axen, Deepak Aravind, Nagapriya Kavoori Sethumadhavan, Hanish Lakhani, Purbasha Halder, Victor Jose
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Publication number: 20200076242Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for wireless power transmission. In accordance with this disclosure, a wireless power transmission apparatus (such as a charging pad) may support positional freedom such that a wireless power receiving apparatus may be charged regardless of positioning or orientation of the wireless power receiving apparatus. Various implementations include the use of multiple primary coils in a wireless power transmission apparatus. In some implementations, a wireless power transmission apparatus having multiple local controllers to activate different primary coils. In some implementations, the wireless power transmission apparatus may support concurrent charging of multiple wireless power receiving apparatuses.Type: ApplicationFiled: November 8, 2018Publication date: March 5, 2020Inventors: Suma Memana Narayana Bhat, Viswanathan Kanakasabai, Deepak Aravind, Adnan Kutubuddin Bohori
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Publication number: 20190356171Abstract: A wireless power transfer system is disclosed. The wireless power transfer system includes a first converting unit for converting a first DC voltage of an input power to a first AC voltage, a contactless power transfer unit for transmitting the input power having the first AC voltage, and a second converting unit for transmitting the power having a second DC voltage corresponding to the first AC voltage to an electric load. Additionally, the wireless power transfer system includes an active voltage tuning unit for controlling the second DC voltage based on a difference between the second DC voltage and a reference voltage and at least one among a difference between the resonant frequency and the constant operating frequency and a difference between a phase angle of the first AC voltage and a phase angle of an AC current.Type: ApplicationFiled: July 31, 2019Publication date: November 21, 2019Inventors: Kapil Jha, Arun Kumar Raghunathan, Arvind Kumar Tiwari, Deepak Aravind
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Patent number: D882512Type: GrantFiled: December 31, 2018Date of Patent: April 28, 2020Assignee: GE HYBRID TECHNOLOGIES, LLCInventors: Suma Memana Narayana Bhat, Viswanathan Kanakasabai, Deepak Aravind, Jayanti Ganesh, Sukla Chandra, Mahendra Patil
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Patent number: D883204Type: GrantFiled: December 31, 2018Date of Patent: May 5, 2020Assignee: GE HYBRID TECHNOLOGIES, LLCInventors: Suma Memana Narayana Bhat, Viswanathan Kanakasabai, Deepak Aravind, Jayanti Ganesh, Sukla Chandra, Mahendra Patil