Patents Assigned to Cummins Power Generation Inc.
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Patent number: 11984820Abstract: Systems and methods for increasing the efficiency of inverters are provided. In some embodiments, an inverter may be configured to connect to a direct current power source and output alternating current power. The inverter may include one or more transistors configured to receive a direct current signal and output a pulse width modulated signal having a particular switching frequency or spread spectrum frequencies. The inverter also includes a low pass filter having multiple elements where each of the multiple elements have parasitic characteristics. One or more of the multiple elements may be designed such that the frequency response has a notch or a minimum at the switching frequency while having a desired cutoff frequency.Type: GrantFiled: October 29, 2021Date of Patent: May 14, 2024Assignee: Cummins Power Generation Inc.Inventors: Veda Samhitha Duppalli, Lane Lester Woodland, Vineet K. Pandey
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Publication number: 20240141842Abstract: A method for controlling a dual fuel engine system includes determining a gas flow target for an internal combustion engine of the dual fuel engine system, where the gas flow target is based on a gas power target of the internal combustion engine, a thermal efficiency estimate of the internal combustion engine, and a lower heating value (LHV) within the internal combustion engine. The method also includes adjusting the gas flow target based on at least one of a measured gas temperature or a measured gas injector pressure and determining at least one base gas injector command based on the adjusted gas flow target, a gas substitution rate estimate, and a gas substitution rate target. The method further includes determining, based on the at least one base gas injector command, a gas injector command for at least one engine bank.Type: ApplicationFiled: January 2, 2024Publication date: May 2, 2024Applicant: Cummins Power Generation Inc.Inventors: Travis Alva Anderson, Axel O. zur Loye, Mark A. Rosswurm, Paul Daniel Borisuk, Shashank Bishnoi, Matthew W. Isaacs, Jason A. Gore, Atin Tandon, Jamie Robert John Sleigh
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Publication number: 20240133199Abstract: A genset enclosure includes a skid platform, a plurality of gusset members, a plurality of roof supports, and a first and second plurality of sidewall panels. The gusset members are spaced along an outer perimeter of the skid platform and are coupled to the skid platform using fasteners. The gusset members are arranged in opposed pairs positioned on opposite lateral ends of the skid platform. Each gusset member defines a first portion extending upwardly from the skid platform normal to an upper surface of the skid platform and a second portion disposed at an upper end of the first portion and extending normal to the first portion and toward a centerline of the skid platform. The gusset members support the plurality of roof supports and the first and second plurality of sidewall panels to form an enclosed volume.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Applicant: Cummins Power Generation Inc.Inventors: Shashikant Ramdas More, Atin Tandon, Abdullah Caner Demirdogen
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Publication number: 20240110295Abstract: A waste powered hydrogen production system includes a generator set structured to receive associated gas from an oil extraction system and to produce electrical power by combustion of the gas. The waste powered hydrogen production system further includes an electrolyzer structured to receive wastewater from the oil extraction system, to receive the electrical power produced by the generator set, and produce hydrogen therefrom.Type: ApplicationFiled: December 15, 2023Publication date: April 4, 2024Applicant: Cummins Power Generation Inc.Inventors: Rishi Chandra, Luke Dewey, Abdullah Marta, Jaimie E. Hamilton-Antonson, Dario Patricio Escobar Larenas
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Patent number: 11927124Abstract: Systems are provided including a selective catalytic reduction catalyst structured to receive first exhaust gas from a first fuel source of a dual fuel engine system and second exhaust gas from a second fuel source of the dual fuel engine system, a first fuel of the first fuel source differing from a second fuel of the second fuel source, an ammonia slip catalyst positioned downstream of the selective catalytic reduction catalyst to receive a flow of exhaust gases from the selective catalytic reduction catalyst without an intervening catalyst, and an oxidation catalyst positioned downstream of the ammonia slip catalyst to receive the flow of exhaust gases from the ammonia slip catalyst without an intervening catalyst.Type: GrantFiled: November 30, 2021Date of Patent: March 12, 2024Assignee: Cummins Power Generation Inc.Inventors: Ankit Sakuja, Srinivas Chakravarthy Bathula
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Patent number: 11879405Abstract: Systems and apparatuses include one or more processing circuits comprising one or more memory devices coupled to one or more processors, the one or more memory devices configured to store instructions thereon that, when executed by the one or more processors, cause the one or more processors to: receive a target temperature and store the target temperature on the one or more memory devices, output the target temperature, receive temperature information from a sensor positioned downstream of an engine and upstream of a aftertreatment system catalyst, generate a current temperature based on the temperature information, output the current temperature, compare the current temperature to the target temperature, output a loading instruction based on the comparison of the current temperature and the target temperature, and generate a graphical user interface including the output target temperature, the output current temperature, and the output loading instruction.Type: GrantFiled: July 23, 2021Date of Patent: January 23, 2024Assignee: Cummins Power Generation Inc.Inventors: Daniel J. Robinson, Frank L. Ruggiero, Abhinav V. Rao, Azeezat Mohammed, Michael J. Zaitz, Shreyansh Gaur, Abhishek Manekar
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Patent number: 11873772Abstract: A method for controlling a dual fuel engine system includes determining a gas flow target for an internal combustion engine of the dual fuel engine system, where the gas flow target is based on a gas power target of the internal combustion engine, a thermal efficiency estimate of the internal combustion engine, and a lower heating value (LHV) within the internal combustion engine. The method also includes adjusting the gas flow target based on at least one of a measured gas temperature or a measured gas injector pressure and determining at least one base gas injector command based on the adjusted gas flow target, a gas substitution rate estimate, and a gas substitution rate target. The method further includes determining, based on the at least one base gas injector command, a gas injector command for at least one engine bank.Type: GrantFiled: September 14, 2022Date of Patent: January 16, 2024Assignee: Cummins Power Generation Inc.Inventors: Travis Alva Anderson, Axel O. zur Loye, Mark A. Rosswurm, Paul Daniel Borisuk, Shashank Bishnoi, Matthew W. Isaacs, Jason A. Gore, Atin Tandon, Jamie Robert John Sleigh
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Patent number: 11866955Abstract: A genset enclosure includes a skid platform, a plurality of gusset members, a plurality of roof supports, and a first and second plurality of sidewall panels. The gusset members are spaced along an outer perimeter of the skid platform and are coupled to the skid platform using fasteners. The gusset members are arranged in opposed pairs positioned on opposite lateral ends of the skid platform. Each gusset member defines a first portion extending upwardly from the skid platform normal to an upper surface of the skid platform and a second portion disposed at an upper end of the first portion and extending normal to the first portion and toward a centerline of the skid platform. The gusset members support the plurality of roof supports and the first and second plurality of sidewall panels to form an enclosed volume.Type: GrantFiled: September 29, 2021Date of Patent: January 9, 2024Assignee: Cummins Power Generation Inc.Inventors: Shashikant Ramdas More, Atin Tandon, Abdullah Caner Demirdogen
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Patent number: 11859298Abstract: A waste powered hydrogen production system includes a generator set structured to receive associated gas from an oil extraction system and to produce electrical power by combustion of the gas. The waste powered hydrogen production system further includes an electrolyzer structured to receive wastewater from the oil extraction system, to receive the electrical power produced by the generator set, and produce hydrogen therefrom.Type: GrantFiled: February 6, 2023Date of Patent: January 2, 2024Assignee: Cummins Power Generation Inc.Inventors: Rishi Chandra, Luke Dewey, Abdullah Marta, Jaimie E. Hamilton-Antonson, Dario Patricio Escobar Larenas
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Publication number: 20230361375Abstract: Systems and methods for managing the temperature of an energy storage system are provided. In some embodiments, the energy storage system includes a housing, a first terminal, a second terminal, an energy storage element disposed within the housing, a thermal management system, and a controller. In some embodiments, the energy storage element are configured to electrically connect to a load or a grid via the second terminal. The thermal management system is configured to manage a temperature within the housing and also configured to receive power from an external power source via the first terminal.Type: ApplicationFiled: July 13, 2023Publication date: November 9, 2023Applicant: Cummins Power Generation Inc.Inventor: Pushkar Vaidya
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Publication number: 20230335993Abstract: Systems and apparatuses include a non-transitory computer readable media having computer-executable instructions embodied therein that, when executed by a circuit of a power system, causes the power system to perform functions to activate and deactivate routes. The functions include determining a plurality of source objects, each including source functions and being assigned a position on a one-line topology; determining one or more switch objects including switch functions and assigned a position on the one-line topology; determining one or more bus objects including bus functions and assigned a position on the one-line topology; determining one or more load objects including load functions and assigned a position on the one-line topology; and allocating each object to one of a plurality of controllers, each of the controllers structured to cooperatively perform the source functions, the switch functions, the bus functions, and the load functions to provide operation of the system.Type: ApplicationFiled: June 22, 2023Publication date: October 19, 2023Applicant: Cummins Power Generation Inc.Inventors: Kevin J. Aufderhar, Paul R. Dahlen, Dennis G. McDonald
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Publication number: 20230307992Abstract: Systems and apparatuses include an asynchronous electrical machine coupled to an engine, a power supply selectively coupled to the electrical machine by a power supply switch device, and an electrical output coupled to the electrical machine by an output switch device. The electrical machine is structured to produce electricity when the power supply switch device is open, the output switch device is closed, and the electrical machine is mechanically driven by the engine, or perform as a starter motor to start the engine when the power supply switch device is closed, the output switch device is open, and the electrical machine mechanically drives the engine.Type: ApplicationFiled: August 5, 2021Publication date: September 28, 2023Applicant: Cummins Power Generation Inc.Inventors: Dexiu Zhao, Yongxing Lu, Dongsheng Yan
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Publication number: 20230303316Abstract: Systems and apparatuses include a container for a generator set. The container includes a housing including a cooling room structured to support a radiator and a radiator fan within the housing, an exhaust room structured to support an aftertreatment system, an engine room structured to contain the engine and the alternator within the housing, an air intake system positioned adjacent the engine room, and a control room structured to support control equipment for the generator set. The exhaust room may further support after treatment components including a muffler and an exhaust pipe.Type: ApplicationFiled: August 5, 2021Publication date: September 28, 2023Applicant: Cummins Power Generation Inc.Inventors: Dongsheng Yan, Dexiu Zhao, Lei Wang, Xinjun Jiang, Yongxing Lu, Beihai Gao
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Patent number: 11728533Abstract: Systems and methods for managing the temperature of an energy storage system are provided. In some embodiments, the energy storage system includes a housing, a first terminal, a second terminal, an energy storage element disposed within the housing, a thermal management system, and a controller. In some embodiments, the energy storage element are configured to electrically connect to a load or a grid via the second terminal. The thermal management system is configured to manage a temperature within the housing and also configured to receive power from an external power source via the first terminal.Type: GrantFiled: August 10, 2020Date of Patent: August 15, 2023Assignee: Cummins Power Generation Inc.Inventor: Pushkar Vaidya
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Publication number: 20230250541Abstract: A waste powered hydrogen production system includes a generator set structured to receive associated gas from an oil extraction system and to produce electrical power by combustion of the gas. The waste powered hydrogen production system further includes an electrolyzer structured to receive wastewater from the oil extraction system, to receive the electrical power produced by the generator set, and produce hydrogen therefrom.Type: ApplicationFiled: February 6, 2023Publication date: August 10, 2023Applicant: Cummins Power Generation Inc.Inventors: Rishi Chandra, Luke Dewey, Abdullah Marta, Jaimie E. Hamilton-Antonson, Dario Patricio Escobar Larenas
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Publication number: 20230246480Abstract: Systems and apparatuses include a first controller structured to control a first power system object located on a first route of a power system, and a second controller structured to control a second power system object located on a second route of the power system. The first controller and the second controller are both structured to perform a route level function including coordination of actions of the first power system object and the second power system object, and the first controller is a principal controller and the second controller is a participant controller.Type: ApplicationFiled: April 7, 2023Publication date: August 3, 2023Applicant: Cummins Power Generation Inc.Inventors: Kevin J. Aufderhar, Paul R. Dahlen, Dennis G. McDonald, Gordon J. Keller
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Patent number: 11715954Abstract: Systems and apparatuses include a non-transitory computer readable media having computer-executable instructions embodied therein that, when executed by a circuit of a power system, causes the power system to perform functions to activate and deactivate routes.Type: GrantFiled: January 22, 2021Date of Patent: August 1, 2023Assignee: Cummins Power Generation Inc.Inventors: Kevin J. Aufderhar, Paul R. Dahlen, Dennis G. McDonald
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Publication number: 20230223763Abstract: Systems and methods for managing loads on a power grid are provided. In some embodiments, the load control system includes one or more power sources connected to a power grid. A method includes determining, by a first genset connected to a power grid, a power average at a first rate, and generating, by the first genset, a filtered power average. The filtered average includes the power average at a second rate. The filtered power average is used in a second algorithm to balance the load share of power sources on the power grid.Type: ApplicationFiled: May 28, 2021Publication date: July 13, 2023Applicant: Cummins Power Generation Inc.Inventor: Mike James Scheuerell
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Publication number: 20230208328Abstract: Systems and apparatuses include a circuit structured to: identify a first source object, a second source object, and a load bus object; determine locations of the first source object, the second source object, and the load bus object on a one-line topology; receive operational parameters of the first source object, the second source object, and the load bus object; define, using the one-line topology, a first route including objects electrically connected between the first source object and the load bus object; define, using the one-line topology, a second route including all objects electrically connected between the second source object and the load bus object; and control operation of the first route and the second route.Type: ApplicationFiled: December 22, 2022Publication date: June 29, 2023Applicant: Cummins Power Generation Inc.Inventors: Kevin J. Aufderhar, Paul R. Dahlen, Dennis G. McDonald
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Patent number: 11674491Abstract: Systems and methods of providing fault protection on direct current (DC) feeds to various engine or generator set components are provided. In some embodiments, generator set includes a ground fault device arranged between a DC power distribution circuit and a subsystem of the generator set. The ground fault device is configured to detect a fault condition based on a comparison of a first current in a first wire with a second current in a second wire between the DC power distribution circuit and the subsystem. In response to detecting the fault condition, the ground fault device is configured to disconnect the subsystem.Type: GrantFiled: July 7, 2022Date of Patent: June 13, 2023Assignee: Cummins Power Generation Inc.Inventors: Lane Woodland, Randall J. Johnson, Sagar Sharma, Elias M. Ayana, Michael Fegley