Patents by Inventor Nathaniel Benedict Hawes
Nathaniel Benedict Hawes 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: 11683919Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: GrantFiled: August 11, 2021Date of Patent: June 20, 2023Assignee: General Electric CompanyInventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross
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Patent number: 11437808Abstract: A wind turbine includes a superconducting generator having an armature and a superconducting field winding set. The armature includes at least one multiphase armature winding set having a plurality of armature windings. The superconducting field winding set is separated by a gap from the armature. The superconducting field winding set includes a plurality of field windings, wherein one of the armature winding set and superconducting field winding set is connectable to rotate with a rotating component of the wind turbine and another of the armature and the superconducting field winding set being non-rotating. The wind turbine also includes a controllable power converter coupled to the at least one multiphase armature winding set and a controller configured to control switching operations of the controllable power converter to effect a phase shift among the plurality of armature windings.Type: GrantFiled: October 1, 2019Date of Patent: September 6, 2022Assignee: General Electric CompanyInventors: Nathaniel Benedict Hawes, Yuntao Xu, Nidhishri Tapadia, David Allan Torrey, Anbo Wu
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Patent number: 11359470Abstract: A system including a control system is provided. The control system includes a main drive that receives power from a power source and outputs a variable frequency and a variable amplitude AC voltage. The control system also includes a controller to interface with the main drive and an electric machine. The controller receives one or more electrical signals associated with an operating condition of the electric machine from one or more sensors disposed between the electric machine and the main drive. The controller determines correction information based on the received electrical signals and based on a desired operating condition of the electric machine. The controller transmits the correction information to the main drive. The correction information corresponds to a rotor position of the electric machine or operating commands configured to implement the desired operating condition of the electric machine.Type: GrantFiled: September 30, 2016Date of Patent: June 14, 2022Assignee: Baker Hughes Oilfield Operations, LLCInventors: Tomas Sadilek, Nathaniel Benedict Hawes, David Allan Torrey, Di Pan, Kum Kang Huh
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Publication number: 20210378154Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: ApplicationFiled: August 11, 2021Publication date: December 2, 2021Inventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross
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Patent number: 11122715Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: GrantFiled: November 28, 2018Date of Patent: September 14, 2021Assignee: General Electric CompanyInventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross
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Patent number: 11043876Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: GrantFiled: December 26, 2019Date of Patent: June 22, 2021Assignee: General Electric CompanyInventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross, Corey Bourassa
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Publication number: 20210098983Abstract: A wind turbine includes a superconducting generator having an armature and a superconducting field winding set. The armature includes at least one multiphase armature winding set having a plurality of armature windings. The superconducting field winding set is separated by a gap from the armature. The superconducting field winding set includes a plurality of field windings, wherein one of the armature winding set and superconducting field winding set is connectable to rotate with a rotating component of the wind turbine and another of the armature and the superconducting field winding set being non-rotating. The wind turbine also includes a controllable power converter coupled to the at least one multiphase armature winding set and a controller configured to control switching operations of the controllable power converter to effect a phase shift among the plurality of armature windings.Type: ApplicationFiled: October 1, 2019Publication date: April 1, 2021Inventors: Nathaniel Benedict Hawes, Yuntao Xu, Nidhishri Tapadia, David Allan Torrey, Anbo Wu
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Patent number: 10844875Abstract: A self-cooling electric submersible pump having an integrated cooling system is provided. The cooling system is configured to cool and lubricate the electric motor section of the pump by expanding a compressed multi-component coolant fluid through flow channels within the motor. The coolant fluid contains a first fluid having a boiling point of at least 230° C. and a second fluid having a boiling point of less than 150° C. During pump operation the first fluid acts as a largely incompressible liquid and the second fluid behaves as a compressible gas. A compressor compresses the second fluid in the presence of the first fluid to produce a hot compressed coolant fluid from which heat is transferred to a production fluid being processed by the pump. The compressed coolant fluid is expanded through an orifice and into the motor flow channels, returning thereafter to the compressor.Type: GrantFiled: April 7, 2016Date of Patent: November 24, 2020Assignee: GENERAL ELECTRIC COMPANYInventors: Jalal Hunain Zia, Yogen Vishwas Utturkar, Nathaniel Benedict Hawes
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Publication number: 20200336045Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: ApplicationFiled: December 26, 2019Publication date: October 22, 2020Inventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross, Corey Bourassa
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Patent number: 10778124Abstract: A method of controlling an electric motor assembly includes receiving sensor feedback that is based at least in part on electrical properties of a variable frequency power signal provided to the electric motor assembly. The method also includes adjusting the phase angle of the variable frequency power signal provided to the electric motor assembly based at least in part on the sensor feedback. The method also includes determining an operational status of the electric motor assembly that receives the variable frequency power signal based at least in part on the sensor feedback.Type: GrantFiled: February 24, 2017Date of Patent: September 15, 2020Assignee: General Electric CompanyInventors: Nathaniel Benedict Hawes, Stefan Grubic, Prabhakar Neti
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Patent number: 10662953Abstract: A fluid extraction system is presented. The fluid extraction system includes a direct current (DC) bus and a plurality of fluid extraction sub-systems configured to be electrically coupled to the DC-bus. At least one fluid extraction sub-system includes an electric machine configured to aid in the extraction of a fluid from a well. The electric machine includes a plurality of phase windings and a rotor. The at least one fluid extraction sub-system further includes a control sub-system to control a rotational speed of the rotor by selectively controlling a supply of a phase current to the plurality of phase windings such that the rotational speed of the rotor of the electric machine is different from rotational speed of a rotor of another electric machine in at least one of other fluid extraction sub-systems. Related method for controlling rotational speeds of electric machines is also presented.Type: GrantFiled: September 11, 2018Date of Patent: May 26, 2020Assignee: Baker Hughes Oilfield Operations, LLCInventors: David Allan Torrey, Nathaniel Benedict Hawes, Ayman Mohamed Fawzi El-Refaie, Muhammad Hassan Chishti
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Patent number: 10504656Abstract: A switched capacitive device includes a stationary portion including a plurality of first electrodes extending at least partially in a longitudinal dimension. Each first electrode has a first substantially active electrode volume. The device also includes a translatable portion including a plurality of second electrodes proximate the plurality of first electrodes. Each second electrode has a second substantially active electrode volume. The first active electrode volume is greater than the second active electrode volume. The second electrodes are translatable with respect to the first electrodes. The second electrodes extend at least partially in the longitudinal dimension. The first electrodes are configured to induce substantially linear motion of the second electrodes in the longitudinal dimension through the use of an electric field induced by at least a portion of the first electrodes.Type: GrantFiled: April 29, 2015Date of Patent: December 10, 2019Assignee: General Electric CompanyInventors: Stefan Grubic, Nathaniel Benedict Hawes, Manoj Ramprasad Shah, Martin Kin-Fei Lee, Rui Zhou, Kevin Michael Grace, Qin Chen
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Publication number: 20190350111Abstract: A heat pipe assembly includes walls having porous wick linings, an insulating layer coupled with at least one of the walls, and an interior chamber sealed by the walls. The linings hold a liquid phase of a working fluid in the interior chamber. The insulating layer is directly against a conductive component of an electromagnetic power conversion device such that heat from the conductive component vaporizes the working fluid in the porous wick lining of the at least one wall and the working fluid condenses at or within the porous wick lining of at least one other wall to cool the conductive component of the electromagnetic power conversion device. The assembly can be placed in direct contact with the device while the device is operating and/or experiencing time-varying magnetic fields that cause the device to operate.Type: ApplicationFiled: November 28, 2018Publication date: November 14, 2019Inventors: Karthik Bodla, Nathaniel Benedict Hawes, Brian Magann Rush, Weijun Yin, Andrew Thomas Cross
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Patent number: 10454323Abstract: An electric machine is presented. The electric machine includes a stator and a rotor disposed concentric to the stator. At least one of the rotor and the stator includes a core including a plurality of laminates stacked along the axial direction of the electric machine, where the stacked plurality of laminates defines a plurality of axial slots. The at least one of the rotor and the stator further includes a permanent magnet assembly disposed in one or more of the plurality of axial slots, where the permanent magnet assembly includes two or more permanent magnets disposed serially along the axial direction of the electric machine such that adjacently disposed permanent magnets overlap one another to form an overlapped interface. The overlapped interface spans at least two laminates of the plurality of laminates of the core.Type: GrantFiled: August 1, 2017Date of Patent: October 22, 2019Assignee: GE Oil & Gas ESP, Inc.Inventors: Manoj Ramprasad Shah, Nathaniel Benedict Hawes, James Pellegrino Alexander, Patel Bhageerath Reddy
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Patent number: 10427351Abstract: An apparatus for bending a composite tube that includes an induction coil. Induction coil includes multiple turns and the turn-to-turn spacing changes at least once along the length of the induction coil. There is a heating element positioned near the induction coil and the induction coil is configured to cause the heating element to increase in temperature.Type: GrantFiled: February 19, 2016Date of Patent: October 1, 2019Assignee: General Electric CompanyInventors: Wendy Win-Ling Lin, Gary Scott Reese, Tsarafidy Raminosoa, Nathaniel Benedict Hawes
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Patent number: 10288074Abstract: A control sub-system for controlling an electric machine is presented. The control sub-system includes a phase shift control unit to receive an electric signal indicative of an angular position of a rotor. The phase shift control unit generates a phase shifted electric signal by applying a phase shift to the electric signal. The magnitude of the phase shift is determined based on a speed control signal. The phase shift control unit is configured to generate a phase command signal based on the phase shifted electric signal. The control sub-system also includes a switching unit to control a supply of a phase current to one or more phase windings the electric machine based on the phase command signal such that the rotor is operated at a predetermined rotational speed. Related method of controlling the electric machine is also presented.Type: GrantFiled: November 12, 2015Date of Patent: May 14, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: David Allan Torrey, Nathaniel Benedict Hawes, Jr., Ayman Mohamed Fawzi El-Refaie, Muhammad Hassan Chishti
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Patent number: 10263561Abstract: A method of controlling an electric motor assembly includes detecting a backspin event of an electric motor, and managing a response to the detected backspin event of the electric motor. The backspin event of the electric motor is detected based at least in part on feedback from a sensor configured to measure a current or a voltage on a cable coupled to the electric motor. The response includes communicating an alert to personnel, controlling the voltage on the cable to be less than a voltage threshold, or any combination thereof.Type: GrantFiled: September 30, 2016Date of Patent: April 16, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Kum Kang Huh, David Allan Torrey, Di Pan, Nathaniel Benedict Hawes, Tomas Sadilek
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Patent number: 10256762Abstract: A method includes controlling a first power output to an electric machine during a transient event. Controlling the first power output includes measuring values of the first power output provided to the electric machine during the transient event, receiving an estimated speed input of the electric machine, determining adjustment commands to compensate the first power output for the transient event of the electric machine, generating switch commands for gate drives of a variable frequency drive (VFD) based at least in part on the adjustment commands, and modifying the first power output during the transient event based on the switch commands.Type: GrantFiled: June 27, 2017Date of Patent: April 9, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Kum Kang Huh, Di Pan, David Allan Torrey, Nathaniel Benedict Hawes, Tomas Sadilek
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Publication number: 20190010946Abstract: A fluid extraction system is presented. The fluid extraction system includes a direct current (DC) bus and a plurality of fluid extraction sub-systems configured to be electrically coupled to the DC-bus. At least one fluid extraction sub-system includes an electric machine configured to aid in the extraction of a fluid from a well. The electric machine includes a plurality of phase windings and a rotor. The at least one fluid extraction sub-system further includes a control sub-system to control a rotational speed of the rotor by selectively controlling a supply of a phase current to the plurality of phase windings such that the rotational speed of the rotor of the electric machine is different from rotational speed of a rotor of another electric machine in at least one of other fluid extraction sub-systems. Related method for controlling rotational speeds of electric machines is also presented.Type: ApplicationFiled: September 11, 2018Publication date: January 10, 2019Inventors: David Allan Torrey, Nathaniel Benedict Hawes, JR., Ayman Mohamed Fawzi EL-Refaie, Muhammad Hassan Chishti
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Publication number: 20180375456Abstract: A method includes controlling a first power output to an electric machine during a transient event. Controlling the first power output includes measuring values of the first power output provided to the electric machine during the transient event, receiving an estimated speed input of the electric machine, determining adjustment commands to compensate the first power output for the transient event of the electric machine, generating switch commands for gate drives of a variable frequency drive (VFD) based at least in part on the adjustment commands, and modifying the first power output during the transient event based on the switch commands.Type: ApplicationFiled: June 27, 2017Publication date: December 27, 2018Inventors: Kum Kang Huh, Di Pan, David Allan Torrey, Nathaniel Benedict Hawes, Tomas Sadilek