Patents by Inventor Travis Alva Anderson
Travis Alva Anderson 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: 11993275Abstract: An engine friction monitor uses commanded torque and measured torque to provide a prognostic feature to identify failure modes of an engine that causes the engine from delivering the commanded torque.Type: GrantFiled: September 21, 2020Date of Patent: May 28, 2024Assignee: Cummins Inc.Inventors: Phanindra V. Garimella, James Ryan Hyslop, Venkatramanan Jayaraman, Pallav Pathak, Michael Justin Tammen, Patrick J. Shook, Randall J. Johnson, Travis Alva Anderson
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Publication number: 20240159180Abstract: A method of controlling an exhaust gas aftertreatment system includes receiving a plurality of emissions values from a plurality of sensors disposed in an aftertreatment system, determining a real-time conversion efficiency for one or more legs of the aftertreatment system based on the emissions values, determining a real-time conversion metric for the aftertreatment system based on the real-time conversion efficiency for the one or more legs, comparing the real-time conversion metric to an upper threshold value, and initiating a cleaning operation to clean the aftertreatment system based on a determination that the real-time conversion metric satisfies the upper threshold value.Type: ApplicationFiled: March 24, 2022Publication date: May 16, 2024Applicant: Cummins Power Generation Inc.Inventors: Ankit Sakuja, Travis Alva Anderson, Srinivas Chakravarthy Bathula
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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: 20240084746Abstract: A method for controlling a dual fuel engine system includes determining a friction power loss amount of an internal combustion engine of the dual fuel engine system, where the friction power loss amount is based on an engine speed of the internal combustion engine and a friction torque estimate. The method also includes determining an accessory power loss amount of a power of the internal combustion engine, where the accessory power loss amount is based on the engine speed and an accessory torque estimate. The method further includes estimating a net engine power amount based on the accessory power loss amount and a brake power amount of the internal combustion engine, estimating an indicated diesel power, and estimating, based on the estimated net engine power, a first indicated engine power and a first gas power.Type: ApplicationFiled: September 14, 2022Publication date: March 14, 2024Inventors: 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: 20240084745Abstract: A method for controlling a dual fuel engine system includes estimating a total indicated engine load, where the total indicated engine load is based on a sum of a measured engine power and a power loss estimate. The method further includes determining a total fueling amount based on an engine speed and the total indicated engine load, where the total fueling amount includes a gas fueling amount and a diesel fueling amount. The method also includes controlling the dual fuel engine system using the total fueling amount.Type: ApplicationFiled: September 14, 2022Publication date: March 14, 2024Inventors: 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: 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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Publication number: 20230296041Abstract: A method includes: receiving an inlet temperature of a selective catalytic reduction system; comparing the inlet temperature to a temperature setpoint; and adjusting at least one of a first exhaust manifold pressure setpoint for a first cylinder bank of an engine or a second exhaust manifold pressure setpoint for a second cylinder bank of the engine, based on the comparison.Type: ApplicationFiled: May 24, 2023Publication date: September 21, 2023Applicant: CUMMINS INC.Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
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Patent number: 11692472Abstract: A method includes: determining that at least one cylinder of a first cylinder bank of an engine is active; determining that at least one cylinder of a second cylinder bank of the engine is inactive; receiving an inlet temperature of a selective catalytic reduction system; comparing the inlet temperature to a temperature setpoint; and adjusting at least one of a first exhaust manifold pressure setpoint for the first cylinder bank or a second exhaust manifold pressure setpoint for the second cylinder bank based on the comparison.Type: GrantFiled: October 14, 2022Date of Patent: July 4, 2023Assignee: Cummins Inc.Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
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Publication number: 20230035148Abstract: A method includes: determining that at least one cylinder of a first cylinder bank of an engine is active; determining that at least one cylinder of a second cylinder bank of the engine is inactive; receiving an inlet temperature of a selective catalytic reduction system; comparing the inlet temperature to a temperature setpoint; and adjusting at least one of a first exhaust manifold pressure setpoint for the first cylinder bank or a second exhaust manifold pressure setpoint for the second cylinder bank based on the comparison.Type: ApplicationFiled: October 14, 2022Publication date: February 2, 2023Applicant: Cummins, Inc.Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
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Patent number: 11473469Abstract: Systems, methods, and apparatuses are provided for increasing exhaust gas temperature. A system includes a valve and a controller coupled to the valve. The controller is structured to determine that a plurality of cylinders of an engine are active; compare an exhaust aftertreatment temperature to an exhaust aftertreatment temperature setpoint; and in response to the comparison, adjust an effective flow area for exhaust gas from the plurality of cylinders of the engine to increase an exhaust gas temperature.Type: GrantFiled: May 3, 2021Date of Patent: October 18, 2022Assignee: Cummins, Inc.Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
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Publication number: 20210254530Abstract: Systems, methods, and apparatuses are provided for increasing exhaust gas temperature. A system includes a valve and a controller coupled to the valve. The controller is structured to determine that a plurality of cylinders of an engine are active; compare an exhaust aftertreatment temperature to an exhaust aftertreatment temperature setpoint; and in response to the comparison, adjust an effective flow area for exhaust gas from the plurality of cylinders of the engine to increase an exhaust gas temperature.Type: ApplicationFiled: May 3, 2021Publication date: August 19, 2021Applicant: Cummins, Inc.Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
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Patent number: 10995642Abstract: Systems, methods, and apparatuses are provided for increasing exhaust gas temperature. A system includes a valve and a controller coupled to the valve. The controller is structured to determine that an exhaust manifold pressure does not meet an exhaust manifold pressure setpoint and in response, cause an adjustment of an effective flow area of exhaust gas from an engine. The adjustment of the effective flow area is structured to increase an exhaust gas temperature.Type: GrantFiled: May 10, 2019Date of Patent: May 4, 2021Assignee: Cummins Inc.Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
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Publication number: 20210001871Abstract: An engine friction monitor uses commanded torque and measured torque to provide a prognostic feature to identify failure modes of an engine that causes the engine from delivering the commanded torque.Type: ApplicationFiled: September 21, 2020Publication date: January 7, 2021Inventors: Phanindra V. Garimella, James Ryan Hyslop, Venkatramanan Jayaraman, Pallav Pathak, Michael Justin Tammen, Patrick J. Shook, Randall J. Johnson, Travis Alva Anderson
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Patent number: 10533514Abstract: A method of controlling a fuel injector comprises measuring a pressure in a cylinder of an engine with a pressure sensor and determining at least one of a crank angle and a crank speed with a crank sensor. The method also comprises calculating a net indicated mean effective pressure of the cylinder from the measured value of the pressure sensor and the determined value of the crank sensor. Also, the method comprises adjusting a fueling parameter of a fuel injector for the cylinder in response to the difference between the calculated net indicated mean effective pressure and a reference mean effective pressure indicates a change in power of the engine. Alternatively, the method may adjust the fueling parameter based on a power feedback signal for the engine.Type: GrantFiled: June 2, 2017Date of Patent: January 14, 2020Assignee: Cummins Inc.Inventors: Phanindra V. Garimella, John L. Hoehne, Ian W. McGiffen, Chandan Mahato, Boopathi Singalandapuram Mahadevan, Pagalavan Mathari Bakthavatsalam, Travis Alva Anderson
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Publication number: 20190264594Abstract: Systems, methods, and apparatuses are provided for increasing exhaust gas temperature. A system includes a valve and a controller coupled to the valve. The controller is structured to determine that an exhaust manifold pressure does not meet an exhaust manifold pressure setpoint and in response, cause an adjustment of an effective flow area of exhaust gas from an engine. The adjustment of the effective flow area is structured to increase an exhaust gas temperature.Type: ApplicationFiled: May 10, 2019Publication date: August 29, 2019Applicant: Cummins Inc.Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
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Publication number: 20190226420Abstract: A method of controlling a fuel injector comprises measuring a pressure in a cylinder of an engine with a pressure sensor and determining at least one of a crank angle and a crank speed with a crank sensor. The method also comprises calculating a net indicated mean effective pressure of the cylinder from the measured value of the pressure sensor and the determined value of the crank sensor. Also, the method comprises adjusting a fueling parameter of a fuel injector for the cylinder in response to the difference between the calculated net indicated mean effective pressure and a reference mean effective pressure indicates a change in power of the engine. Alternatively, the method may adjust the fueling parameter based on a power feedback signal for the engine.Type: ApplicationFiled: June 2, 2017Publication date: July 25, 2019Inventors: Phanindra V. Garimella, John L. Hoehne, Ian W. McGiffen, Chandan Mahato, Boopathi Singalandapuram Mahadevan, Pagalavan Mathari Bakthavatsalam, Travis Alva Anderson
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Patent number: 10287945Abstract: A method for increasing the exhaust temperature of an exhaust system. The method includes receiving an inlet temperature of a selective catalytic reduction system; determining whether the inlet temperature meets a temperature setpoint; adjusting an exhaust manifold pressure setpoint based on the determination of the inlet temperature; determining whether the exhaust manifold pressure of at least one of first or second bank meet the exhaust manifold pressure setpoint; and causing an adjustment of an effective flow area of at least one of the first bank or second bank based on the exhaust manifold pressure, the adjustment of the effective flow area structured to increase exhaust temperature during light load operation.Type: GrantFiled: January 26, 2017Date of Patent: May 14, 2019Assignee: Cummins, Inc.Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
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Publication number: 20180209318Abstract: A method for increasing the exhaust temperature of an exhaust system. The method includes receiving an inlet temperature of a selective catalytic reduction system; determining whether the inlet temperature meets a temperature setpoint; adjusting an exhaust manifold pressure setpoint based on the determination of the inlet temperature; determining whether the exhaust manifold pressure of at least one of first or second bank meet the exhaust manifold pressure setpoint; and causing an adjustment of an effective flow area of at least one of the first bank or second bank based on the exhaust manifold pressure, the adjustment of the effective flow area structured to increase exhaust temperature during light load operation.Type: ApplicationFiled: January 26, 2017Publication date: July 26, 2018Applicant: Cummins, Inc.Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk