Patents by Inventor Roy James Primus
Roy James Primus 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: 11781443Abstract: Various methods and systems are provided for generating exhaust energy and converting exhaust energy to electrical energy while an engine is not running. In one example, a system for an engine comprises: a first turbocharger including a first compressor driven by a first turbine, the first turbine disposed in an exhaust of the engine; a fuel burner fluidly coupled to the exhaust upstream of the first turbine; a generator coupled to one of the first turbine or an auxiliary, second turbine fluidly coupled to the exhaust downstream of the fuel burner; and one or more bypass valves configured to adjust a flow of air that bypasses the engine and is delivered to the fuel burner.Type: GrantFiled: May 6, 2022Date of Patent: October 10, 2023Assignee: TRANSPORTATION IP HOLDINGS, LLCInventors: James Robert Mischler, Roy James Primus, Thomas Michael Lavertu
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Patent number: 11643963Abstract: Various methods and systems are provided for controlling air flow through an engine by adjusting an electric turbocharger of a vehicle. In one embodiment, a system for a vehicle comprises an electric turbocharger comprising a compressor, an exhaust turbine coupled to the compressor via a shaft, and an electric machine mechanically coupled to the shaft; and a controller including a processor and instructions stored on a non-transient memory of the controller that, when executed, cause the controller to: adjust an amount of power provided to or extracted from the shaft by the electric machine based on at least one of a speed of the electric turbocharger, a cylinder pressure, and an exhaust gas temperature. By adjusting the amount of power provided to or extracted from the electric machine, the exhaust gas temperature and the speed of the electric turbocharger may be efficiently maintained within a desired operating range.Type: GrantFiled: September 21, 2021Date of Patent: May 9, 2023Assignee: Transportation IP Holdings, LLCInventors: Adam Edgar Klingbeil, Roy James Primus, Thomas Michael Lavertu
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Publication number: 20230090173Abstract: Various methods and systems are provided for controlling air flow through an engine by adjusting an electric turbocharger of a vehicle. In one embodiment, a system for a vehicle comprises an electric turbocharger comprising a compressor, an exhaust turbine coupled to the compressor via a shaft, and an electric machine mechanically coupled to the shaft; and a controller including a processor and instructions stored on a non-transient memory of the controller that, when executed, cause the controller to: adjust an amount of power provided to or extracted from the shaft by the electric machine based on at least one of a speed of the electric turbocharger, a cylinder pressure, and an exhaust gas temperature. By adjusting the amount of power provided to or extracted from the electric machine, the exhaust gas temperature and the speed of the electric turbocharger may be efficiently maintained within a desired operating range.Type: ApplicationFiled: September 21, 2021Publication date: March 23, 2023Inventors: Adam Edgar Klingbeil, Roy James Primus, Thomas Michael Lavertu
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Publication number: 20230015517Abstract: A mixing structure can include a body having first conduits, mixture conduits, and second conduits extending through the body to the internal volume. The first conduits may be closer to a first side of the body than the mixture conduits and the second conduits. The second conduits may closer to another side of the body than the first conduits and the mixture conduits. The internal volume may receive liquid streams from an injector. The first conduits and the second conduits may receive gas streams from outside the body. The body may thermally modify the gas streams and entrain the gas streams into the liquid streams in the internal volume. The mixture conduits may be positioned to direct the gas streams entrained into the liquid streams out of the body in directions directed toward the second side of the body and away from the first side of the body.Type: ApplicationFiled: September 26, 2022Publication date: January 19, 2023Inventors: Sreenivasa Rao Gubba, Bhaskar Tamma, Victor Manuel Salazar, Adam Edgar Klingbeil, Thomas Michael Lavertu, Roy James Primus, John Dowell, Kevin Bailey, Kevin McElhaney
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Patent number: 11549429Abstract: A fuel and gas mixing structure for an engine is provided. This mixing structure includes a body configured to be positioned between a fuel injector and a cylinder of an engine. The body defines an interior volume that is configured to receive gas (e.g., air) from outside the body and to receive one or more streams of fuel from the fuel injector in the interior volume. The body also includes one or more upper channels and one or more lower channels that are configured to provide a substantially similar amount of flow relative to each other to the interior volume The body also defines one or more mixture conduits configured to conduct plumes of the fuel and gas, while mixing, from the interior volume to one or more exit ports and therethrough to the cylinder.Type: GrantFiled: February 25, 2020Date of Patent: January 10, 2023Assignee: TRANSPORTATION IP HOLDINGS, LLCInventors: Sreenivasa Rao Gubba, Bhaskar Tamma, Victor Manuel Salazar, Adam Edgar Klingbeil, Thomas Michael Lavertu, Roy James Primus, John Dowell, Kevin Bailey, Kevin McElhaney
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Patent number: 11536221Abstract: A piston crown for a combustion system is disclosed. The piston crown includes a piston bowl having a circumferential recess and a plurality of first recesses arranged spaced apart from each other along a circumferential direction. The circumferential recess is disposed proximate to a circumference of the piston crown. Each recess of the plurality of the first recesses extends between a center of the piston crown and the circumferential recess, and a width and a depth of each recess of the plurality of first recesses are extended along a radial direction for an entire length of each recess of the plurality of first recesses.Type: GrantFiled: November 12, 2021Date of Patent: December 27, 2022Assignee: TRANSPORTATION IP HOLDINGS, LLCInventors: Roy James Primus, Adam Edgar Klingbeil, Dattatraya Somnath Bhagoji, Kevin Scott McElhaney, Bhaskar Tamma, Ravichandra Srinivasa Jupudi, Kevin Paul Bailey
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Publication number: 20220259984Abstract: Various methods and systems are provided for generating exhaust energy and converting exhaust energy to electrical energy while an engine is not running. In one example, a system for an engine comprises: a first turbocharger including a first compressor driven by a first turbine, the first turbine disposed in an exhaust of the engine; a fuel burner fluidly coupled to the exhaust upstream of the first turbine; a generator coupled to one of the first turbine or an auxiliary, second turbine fluidly coupled to the exhaust downstream of the fuel burner; and one or more bypass valves configured to adjust a flow of air that bypasses the engine and is delivered to the fuel burner.Type: ApplicationFiled: May 6, 2022Publication date: August 18, 2022Inventors: James Robert Mischler, Roy James Primus, Thomas Michael Lavertu
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Patent number: 11346238Abstract: Various methods and systems are provided for generating exhaust energy and converting exhaust energy to electrical energy while an engine is not running. In one example, a system for an engine comprises: a first turbocharger including a first compressor driven by a first turbine, the first turbine disposed in an exhaust of the engine; a fuel burner fluidly coupled to the exhaust upstream of the first turbine; a generator coupled to one of the first turbine or an auxiliary, second turbine fluidly coupled to the exhaust downstream of the fuel burner; and one or more bypass valves configured to adjust a flow of air that bypasses the engine and is delivered to the fuel burner.Type: GrantFiled: December 22, 2020Date of Patent: May 31, 2022Assignee: Transportation IP Holdings, LLCInventors: James Robert Mischler, Roy James Primus, Thomas Michael Lavertu
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Publication number: 20220074366Abstract: A piston crown for a combustion system is disclosed. The piston crown includes a piston bowl having a circumferential recess and a plurality of first recesses arranged spaced apart from each other along a circumferential direction. The circumferential recess is disposed proximate to a circumference of the piston crown. Each recess of the plurality of the first recesses extends between a center of the piston crown and the circumferential recess, and a width and a depth of each recess of the plurality of first recesses are extended along a radial direction for an entire length of each recess of the plurality of first recesses.Type: ApplicationFiled: November 12, 2021Publication date: March 10, 2022Inventors: Roy James Primus, Adam Edgar Klingbeil, Dattatraya Somnath Bhagoji, Kevin Scott McElhaney, Bhaskar Tamma, Ravichandra Srinivasa Jupudi, Kevin Paul Bailey
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Publication number: 20220055605Abstract: A system for controlling a hybrid propulsion system includes a computer programmed to obtain altitude and terrain information associated with a predetermined route for the hybrid propulsion system comprising a first energy source and a second energy source. The computer is also programmed to obtain current and forecast ambient weather information associated with the predetermined route of the hybrid propulsion system, determine a power requirement and a torque requirement of the hybrid propulsion system associated with the altitude and the terrain along the predetermined route of the hybrid propulsion system, generate a trip plan to optimize at least one of a plurality of performance parameters of the hybrid propulsion system as the hybrid propulsion system travels along the predetermined route, and preferentially select the first energy source and/or the second energy source based on the trip plan.Type: ApplicationFiled: November 8, 2021Publication date: February 24, 2022Inventors: Thomas Michael Lavertu, Victor Salazar, Roy James Primus
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Patent number: 11199155Abstract: A piston crown for a combustion system is disclosed. The piston crown includes a piston bowl having a circumferential recess and a plurality of first recesses arranged spaced apart from each other along a circumferential direction. The circumferential recess is disposed proximate to a circumference of the piston crown. Each recess of the plurality of the first recesses extends between a center of the piston crown and the circumferential recess, and a width and a depth of each recess of the plurality of first recesses are extended along a radial direction for an entire length of each recess of the plurality of first recesses.Type: GrantFiled: October 15, 2020Date of Patent: December 14, 2021Assignee: Transportation IP Holdings, LLCInventors: Roy James Primus, Adam Edgar Klingbeil, Dattatraya Somnath Bhagoji, Kevin Scott McElhaney, Bhaskar Tamma, Ravichandra Srinivasa Jupudi, Kevin Paul Bailey
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Patent number: 11192458Abstract: A system for controlling a hybrid propulsion system includes a computer programmed to obtain altitude and terrain information associated with a predetermined route for the hybrid propulsion system comprising a first energy source and a second energy source. The computer is also programmed to obtain current and forecast ambient weather information associated with the predetermined route of the hybrid propulsion system, determine a power requirement and a torque requirement of the hybrid propulsion system associated with the altitude and the terrain along the predetermined route of the hybrid propulsion system, generate a trip plan to optimize at least one of a plurality of performance parameters of the hybrid propulsion system as the hybrid propulsion system travels along the predetermined route, and preferentially select the first energy source and/or the second energy source based on the trip plan.Type: GrantFiled: December 28, 2018Date of Patent: December 7, 2021Assignee: Transportation IP Holdings, LLCInventors: Thomas Michael Lavertu, Victor Salazar, Roy James Primus
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Patent number: 11077871Abstract: A control system includes a communication device onboard a vehicle system approaching or entering an airflow restricted area along a route and one or more processors. The communication device configured to receive status messages that contain data parameters representative of ambient conditions within the airflow restricted area. The processors are configured to monitor the ambient conditions and determine different power output upper limits that a trail propulsion vehicle of the vehicle system can generate within the airflow restricted area based on the ambient conditions and different power outputs generated by a lead propulsion vehicle of the vehicle system. The processors further configured to communicate instructions to control the lead propulsion vehicle within the airflow restricted area to generate the power output of the different power outputs that results in the greatest total available power output of the vehicle system as the vehicle system travels within the airflow restricted area.Type: GrantFiled: December 6, 2018Date of Patent: August 3, 2021Assignee: TRANSPORATION IP HOLDINGS, LLCInventors: Thomas Michael Lavertu, Roy James Primus, Jennifer Lynn Jackson
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Patent number: 11008932Abstract: A fuel and gas mixing structure for an engine is provided. This mixing structure includes a body configured to be positioned between a fuel injector and a cylinder of an engine. The body defines an interior volume that is configured to receive gas from outside the body and to receive one or more streams of fuel from the fuel injector in the interior volume. The body also defines one or more mixture conduits configured to conduct plumes of the fuel and gas, while mixing, from the interior volume to one or more exit ports and therethrough to the cylinder.Type: GrantFiled: August 9, 2018Date of Patent: May 18, 2021Assignee: TRANSPORTATION IP HOLDINGS, LLCInventors: Adam Edgar Klingbeil, Roy James Primus, John Dowell, Victor Manuel Salazar, Thomas Michael Lavertu, Kevin Bailey, Kevin McElhaney, Bhaskar Tamma, Sreenivasa Rao Gubba
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Publication number: 20210108534Abstract: Various methods and systems are provided for generating exhaust energy and converting exhaust energy to electrical energy while an engine is not running. In one example, a system for an engine comprises: a first turbocharger including a first compressor driven by a first turbine, the first turbine disposed in an exhaust of the engine; a fuel burner fluidly coupled to the exhaust upstream of the first turbine; a generator coupled to one of the first turbine or an auxiliary, second turbine fluidly coupled to the exhaust downstream of the fuel burner; and one or more bypass valves configured to adjust a flow of air that bypasses the engine and is delivered to the fuel burner.Type: ApplicationFiled: December 22, 2020Publication date: April 15, 2021Inventors: James Robert Mischler, Roy James Primus, Thomas Michael Lavertu
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Patent number: 10947917Abstract: Various methods and systems are provided for skip-firing an engine. As one embodiment, a method for an engine includes firing all cylinders of the engine and not altering the closing timing of the intake valves when fueling demands are greater than a threshold. The method further includes skip-firing the engine when fueling demands are less than a threshold, and holding open the intake valves of skipped cylinders for a greater duration than intake valves of firing cylinders.Type: GrantFiled: February 16, 2018Date of Patent: March 16, 2021Assignee: TRANSPORTATION IP HOLDINGS, LLCInventors: Pradheepram Ottikkutti, Alok Kumar, Michael Majewski, Seung-hyuck Hong, Kevin Scott McElhaney, Roy James Primus, Omowoleola Akinyemi, Thomas Michael Lavertu, Santosh Meghani
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Publication number: 20210025351Abstract: A piston crown for a combustion system is disclosed. The piston crown includes a piston bowl having a circumferential recess and a plurality of first recesses arranged spaced apart from each other along a circumferential direction. The circumferential recess is disposed proximate to a circumference of the piston crown. Each recess of the plurality of the first recesses extends between a center of the piston crown and the circumferential recess, and a width and a depth of each recess of the plurality of first recesses are extended along a radial direction for an entire length of each recess of the plurality of first recesses.Type: ApplicationFiled: October 15, 2020Publication date: January 28, 2021Inventors: Roy James Primus, Adam Edgar Klingbeil, Dattatraya Somnath Bhagoji, Kevin Scott McElhaney, Bhaskar Tamma, Ravichandra Srinivasa Jupudi, Kevin Paul Bailey
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Patent number: 10900373Abstract: Various methods and systems are provided for generating exhaust energy and converting exhaust energy to electrical energy while an engine is not running. In one example, a system for an engine comprises: a first turbocharger including a first compressor driven by a first turbine, the first turbine disposed in an exhaust of the engine; a fuel burner fluidly coupled to the exhaust upstream of the first turbine; a generator coupled to one of the first turbine or an auxiliary, second turbine fluidly coupled to the exhaust downstream of the fuel burner; and one or more bypass valves configured to adjust a flow of air that bypasses the engine and is delivered to the fuel burner.Type: GrantFiled: June 5, 2019Date of Patent: January 26, 2021Assignee: Transportation Holdings, LLCInventors: James Robert Mischler, Roy James Primus, Thomas Michael Lavertu
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Patent number: 10837401Abstract: A piston crown for a combustion system is disclosed. The piston crown includes a piston bowl having a circumferential recess and a plurality of first recesses arranged spaced apart from each other along a circumferential direction. The circumferential recess is disposed proximate to a circumference of the piston crown. Each recess of the plurality of the first recesses extends between a center of the piston crown and the circumferential recess, and a width and a depth of each recess of the plurality of first recesses are extended along a radial direction for an entire length of each recess of the plurality of first recesses.Type: GrantFiled: January 20, 2019Date of Patent: November 17, 2020Assignee: GE GLOBAL SOURCING LLCInventors: Roy James Primus, Adam Edgar Klingbeil, Dattatraya Somnath Bhagoji, Kevin Scott McElhaney, Bhaskar Tamma, Ravichandra Srinivasa Jupudi, Kevin Paul Bailey
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Patent number: 10774771Abstract: A control system for an engine includes one or more processors configured to determine when a change in one or more of oxygen or fuel supplied to an engine. The one or more processors also are configured to, responsive to determining the change in oxygen and/or fuel supplied to an engine, direct one or more fuel injectors of the engine to begin injecting fuel into one or more cylinders of the engine during both a first fuel injection and a second fuel injection during each cycle of a multi-stroke engine cycle of the one or more cylinders.Type: GrantFiled: March 4, 2016Date of Patent: September 15, 2020Assignee: GE GLOBAL SOURCING LLCInventors: Roy James Primus, Thomas Michael Lavertu, Adam Edgar Klingbeil