Patents by Inventor Paul Robert Gemin
Paul Robert Gemin 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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Publication number: 20240132226Abstract: A propulsion assembly includes a first torque source coupled with a first shaft and a second torque source coupled with a second shaft. A coupler selectively couples the first and second torque sources. When the first and second torque sources are coupled via the coupler, in response to a command to decouple the first torque source, an unloading operation is performed to decrease the torque output provided by the first torque source to a threshold, and when reached, the first shaft is decoupled from the coupler. When the first torque source is coupled with the coupler but the second torque source is not, in response to a command to couple the second torque source, a speed matching operation is performed to increase the speed of the second shaft to match a speed of the first shaft, and when the speeds are matched, the second shaft is coupled to the coupler.Type: ApplicationFiled: July 12, 2023Publication date: April 25, 2024Inventors: Darek Tomasz Zatorski, Kurt David Murrow, Paul Robert Gemin, Philip M. Cioffi, John Russell Yagielski
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Publication number: 20240067351Abstract: Aspects of the disclosure generally relate to an aircraft propulsion system for an aircraft. The aircraft propulsion system can include at least an electric power source, an electric machine, and a voltage regulator. The voltage regulator regulates the electrical power provided to the electric machine from the electrical power source. The electric power source is capable of providing an AC or DC electrical output and can include a combustion engine with a generator or an electrical storage device.Type: ApplicationFiled: August 31, 2022Publication date: February 29, 2024Inventors: Thomas William Brown, Paul Robert Gemin, Di Pan, Dominic Barone
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Publication number: 20240044261Abstract: The present disclosure is directed to a gas turbine engine assembly having a compressor configured to increase pressure of incoming air, a combustion chamber, at least one turbine coupled to a generator, a torsional damper, and a controller. The combustion chamber is configured to receive a pressurized air stream from the compressor. Further, fuel is injected into the pressurized air in the combustion chamber and ignited so as to raise a temperature and energy level of the pressurized air. The turbine is operatively coupled to the combustion chamber so as to receive combustion products that flow from the combustion chamber. The generator is coupled to the turbine via a shaft. Thus, the torsional damper is configured to dampen torsional oscillations of the generator. Moreover, the controller is configured to provide additional damping control to the generator.Type: ApplicationFiled: October 10, 2023Publication date: February 8, 2024Inventors: Paul Robert Gemin, Thomas Lee Becker, Tod Robert Steen
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Publication number: 20240025555Abstract: A propulsion assembly includes a first torque source coupled with a first shaft and a second torque source coupled with a second shaft. A coupler selectively couples the first and second torque sources. When the first and second torque sources are coupled via the coupler, in response to a command to decouple the first torque source, an unloading operation is performed to decrease the torque output provided by the first torque source to a threshold, and when reached, the first shaft is decoupled from the coupler. When the first torque source is coupled with the coupler but the second torque source is not, in response to a command to couple the second torque source, a speed matching operation is performed to increase the speed of the second shaft to match a speed of the first shaft, and when the speeds are matched, the second shaft is coupled to the coupler.Type: ApplicationFiled: July 13, 2023Publication date: January 25, 2024Inventors: Darek Tomasz Zatorski, Kurt David Murrow, Paul Robert Gemin, Philip M. Cioffi, John Russell Yagielski
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Patent number: 11873110Abstract: Hybrid electric propulsion systems includes a combustion engine and an electric motor. The hybrid electric propulsion systems may include or utilize a non-transitory computer-readable medium comprising computer-executable instructions, which when executed by a processor associated with the hybrid electric propulsion system, cause the processor to perform a method that includes determining an occurrence of a thrust asymmetry in the hybrid electric propulsion system, and controlling the electric motor to decrease an efficiency of the electric motor for a transient time period sufficient to reduce a torque output of the combustion engine to match an electrical load on the combustion engine.Type: GrantFiled: April 20, 2022Date of Patent: January 16, 2024Assignee: General Electric CompanyInventors: Robert Charles Hon, Paul Robert Gemin
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Patent number: 11802492Abstract: The present disclosure is directed to a gas turbine engine assembly having a compressor configured to increase pressure of incoming air, a combustion chamber, at least one turbine coupled to a generator, a torsional damper, and a controller. The combustion chamber is configured to receive a pressurized air stream from the compressor. Further, fuel is injected into the pressurized air in the combustion chamber and ignited so as to raise a temperature and energy level of the pressurized air. The turbine is operatively coupled to the combustion chamber so as to receive combustion products that flow from the combustion chamber. The generator is coupled to the turbine via a shaft. Thus, the torsional damper is configured to dampen torsional oscillations of the generator. Moreover, the controller is configured to provide additional damping control to the generator.Type: GrantFiled: May 20, 2022Date of Patent: October 31, 2023Assignee: General Electric CompanyInventors: Paul Robert Gemin, Thomas Lee Becker, Tod Robert Steen
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Patent number: 11791693Abstract: An electric machine having an electrically insulative manifold is disclosed. In one example aspect, an electric machine includes a non-electrically conductive manifold. The manifold defines a chamber operable to receive a cooling fluid. The electric machine includes a prime winding in fluid communication with the chamber and one or more secondary windings in electrical communication with the prime winding and in fluid communication with the chamber. Further, the electric machine includes an electric machine terminal extending through the non-electrically conductive manifold and coupled with the prime winding. The electric machine terminal can provide or collect cooling fluid from the chamber of the manifold and can act as the electrical connection point for directing electrical power to or from the windings of the electric machine.Type: GrantFiled: August 31, 2020Date of Patent: October 17, 2023Assignee: GE Aviation Systems, LLCInventors: Brendan Michael Freely, Mohamed Osama, Fabian Isaza, Pablo Gabriel Piazza Galarza, Paul Robert Gemin, John Russell Yagielski, Mark Dame, Wei Zhang, Karim Younsi
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Publication number: 20230166856Abstract: A system for controlling power distribution is provided. The system includes an engine operably coupled to an electric machine and a first power electronics device configured in a power control mode to modulate power extracted by the electric machine. A second power electronics device is configured in a voltage control mode and is operably coupled to a load device to modulate power received by the load device from the first power electronics device. Modulating power received by the load device is based at least on an operating limit corresponding to the load device, a voltage of the electric bus, or both. A computing system is operably coupled to the engine and the first power electronics device, wherein the computing system is configured to send control commands to the engine and the first power electronics device.Type: ApplicationFiled: November 29, 2021Publication date: June 1, 2023Inventors: Robert Charles Hon, Thomas William Brown, Paul Robert Gemin, Greg Detweiler
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Patent number: 11652428Abstract: A system for controlling a motor includes a controller module comprising a controller portion, a regulator portion and an integrator portion. The regulator portion includes a set of regulator modules communicatively coupled in a sequence. Each regulator module configured to receive a respective input signal, indicative of a target or selected value, from the controller portion or the immediately preceding regulator module in the sequence, determine a respective selectable value; select one of the respective selectable value and the value indicated by the received input signal; and provide the selected value as an output signal to the next regulator module in the sequence or the integrator module. The integrator module is configured to receive the output signal from the last regulator module in the sequence, calculate a final demand value based on the received signal, and provide an output signal indicative of the final demand value.Type: GrantFiled: July 14, 2021Date of Patent: May 16, 2023Assignee: General Electric CompanyInventors: Robert Charles Hon, Paul Robert Gemin, Thomas William Brown, Gregory Lee Detweiler
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Publication number: 20230132364Abstract: A turbine engine with a turbine core that includes a compressor section having a compressor coupled to a high speed shaft, a combustion section, a turbine section having a high pressure turbine coupled to the high speed shaft and a low pressure turbine coupled to a low speed shaft, and a nozzle section. The turbine engine also includes an electric machine that can operate in a first starting mode and a second generating mode.Type: ApplicationFiled: October 11, 2021Publication date: April 27, 2023Inventors: Mehdi M. Baladi, Paul Robert Gemin
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Publication number: 20230126222Abstract: The present disclosure is directed to turbine engines and systems for active stability control of rotating compression systems utilizing an electric machine operatively coupled thereto. In one exemplary aspect, an electric machine operatively coupled with a compression system, e.g., via a shaft system, is controlled to provide shaft damping for instability fluctuations of the pressurized fluid stream within the compression system. Based on control data indicative of a system state of the compression system, a control parameter of the electric machine is adjusted to control or change an output of the shaft system. Adjusting the shaft system output by adjusting one or more control parameters of the electric machine allows the compression system to dampen instability fluctuations of the fluid stream within the compression system. A method for active stability control of a compression system operatively coupled with an electric machine via a shaft system is also provided.Type: ApplicationFiled: December 22, 2022Publication date: April 27, 2023Inventors: Paul Robert Gemin, Arthur Vorwerk Radun, Dominic Barone
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Publication number: 20230024956Abstract: An electric machine having a hybrid insulative-conductive manifold is disclosed. In one aspect, an electric machine includes a manifold that includes an insulative plate and a conductive backplate positioned adjacent to the insulative plate. The insulative plate and the backplate define a first channel and a second channel therebetween. The electric machine also includes a prime winding and a secondary winding electrically isolated from the prime winding. The prime winding and the secondary winding are both in fluid communication with the first channel and the second channel. A terminal conductor extends through the backplate and insulative plate and is electrically coupled with the prime winding. The terminal conductor is electrically isolated from the backplate and provides cooling fluid to the prime winding and the first channel so that cooling fluid flows between the terminal conductor and the prime winding and between the terminal conductor and the first channel.Type: ApplicationFiled: July 22, 2021Publication date: January 26, 2023Inventors: Brendan Michael Freely, Pablo Gabriel Piazza Galarza, Fabian Isaza, Paul Robert Gemin, Darek Tomasz Zatorski, John Russell Yagielski, Andrew Michael Watson
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Publication number: 20230018997Abstract: A system for controlling a motor includes a controller module comprising a controller portion, a regulator portion and an integrator portion. The regulator portion includes a set of regulator modules communicatively coupled in a sequence. Each regulator module configured to receive a respective input signal, indicative of a target or selected value, from the controller portion or the immediately preceding regulator module in the sequence, determine a respective selectable value; select one of the respective selectable value and the value indicated by the received input signal; and provide the selected value as an output signal to the next regulator module in the sequence or the integrator module. The integrator module is configured to receive the output signal from the last regulator module in the sequence, calculate a final demand value based on the received signal, and provide an output signal indicative of the final demand value.Type: ApplicationFiled: July 14, 2021Publication date: January 19, 2023Inventors: Robert Charles Hon, Paul Robert Gemin, Thomas William Brown, Gregory Lee Detweiler
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Patent number: 11539316Abstract: The present disclosure is directed to turbine engines and systems for active stability control of rotating compression systems utilizing an electric machine operatively coupled thereto. In one exemplary aspect, an electric machine operatively coupled with a compression system, e.g., via a shaft system, is controlled to provide shaft damping for instability fluctuations of the pressurized fluid stream within the compression system. Based on control data indicative of a system state of the compression system, a control parameter of the electric machine is adjusted to control or change an output of the shaft system. Adjusting the shaft system output by adjusting one or more control parameters of the electric machine allows the compression system to dampen instability fluctuations of the fluid stream within the compression system. A method for active stability control of a compression system operatively coupled with an electric machine via a shaft system is also provided.Type: GrantFiled: July 30, 2019Date of Patent: December 27, 2022Assignee: General Electric CompanyInventors: Paul Robert Gemin, Arthur Vorwerk Radun, Dominic Barone
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Patent number: 11440673Abstract: Aspects of the disclosure generally relate to an aircraft propulsion system for an aircraft. The aircraft propulsion system can include at least an electric power source, an electric machine, a voltage regulator, and at least one propeller. The voltage regulator regulates the electrical power provided to the electric machine from the electrical power source. The electric power source is capable of providing an AC or DC electrical output and can include a combustion engine with a generator or an electrical storage device.Type: GrantFiled: November 19, 2019Date of Patent: September 13, 2022Assignee: GE Aviation Systems LLCInventors: Thomas William Brown, Paul Robert Gemin, Di Pan, Dominic Barone
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Publication number: 20220282637Abstract: The present disclosure is directed to a gas turbine engine assembly having a compressor configured to increase pressure of incoming air, a combustion chamber, at least one turbine coupled to a generator, a torsional damper, and a controller. The combustion chamber is configured to receive a pressurized air stream from the compressor. Further, fuel is injected into the pressurized air in the combustion chamber and ignited so as to raise a temperature and energy level of the pressurized air. The turbine is operatively coupled to the combustion chamber so as to receive combustion products that flow from the combustion chamber. The generator is coupled to the turbine via a shaft. Thus, the torsional damper is configured to dampen torsional oscillations of the generator. Moreover, the controller is configured to provide additional damping control to the generator.Type: ApplicationFiled: May 20, 2022Publication date: September 8, 2022Inventors: Paul Robert Gemin, Thomas Lee Becker, Tod Robert Steen
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Publication number: 20220242585Abstract: Hybrid electric propulsion systems includes a combustion engine and an electric motor. The hybrid electric propulsion systems may include or utilize a non-transitory computer-readable medium comprising computer-executable instructions, which when executed by a processor associated with the hybrid electric propulsion system, cause the processor to perform a method that includes determining an occurrence of a thrust asymmetry in the hybrid electric propulsion system, and controlling the electric motor to decrease an efficiency of the electric motor for a transient time period sufficient to reduce a torque output of the combustion engine to match an electrical load on the combustion engine.Type: ApplicationFiled: April 20, 2022Publication date: August 4, 2022Inventors: Robert Charles Hon, Paul Robert Gemin
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Patent number: 11346243Abstract: The present disclosure is directed to a gas turbine engine assembly having a compressor configured to increase pressure of incoming air, a combustion chamber, at least one turbine coupled to a generator, a torsional damper, and a controller. The combustion chamber is configured to receive a pressurized air stream from the compressor. Further, fuel is injected into the pressurized air in the combustion chamber and ignited so as to raise a temperature and energy level of the pressurized air. The turbine is operatively coupled to the combustion chamber so as to receive combustion products that flow from the combustion chamber. The generator is coupled to the turbine via a shaft. Thus, the torsional damper is configured to dampen torsional oscillations of the generator. Moreover, the controller is configured to provide additional damping control to the generator.Type: GrantFiled: April 19, 2017Date of Patent: May 31, 2022Assignee: General Electric CompanyInventors: Paul Robert Gemin, Thomas Lee Becker, Tod Robert Steen
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Patent number: 11332256Abstract: Hybrid electric propulsion systems and methods therefore are provided. More particularly, the present disclosure is directed to control systems for hybrid electric propulsion systems for aerial vehicles that are configured for rapidly and automatically taking action in response to rapid electrical load changes on a torque source, such as an engine. Methods for operating hybrid electric propulsion systems for aerial vehicles are also provided.Type: GrantFiled: August 21, 2018Date of Patent: May 17, 2022Assignee: General Electric CompanyInventors: Robert Charles Hon, Paul Robert Gemin
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Publication number: 20220136402Abstract: A turbine engine with a turbine core that includes a compressor section having a compressor coupled to a high speed shaft, a combustion section, a turbine section having a high pressure turbine coupled to the high speed shaft and a low pressure turbine coupled to a low speed shaft, and a nozzle section. The turbine engine also includes an electric machine that can operate in a first starting mode and a second generating mode.Type: ApplicationFiled: October 11, 2021Publication date: May 5, 2022Inventors: Mehdi M. Baladi, Paul Robert Gemin