Patents Assigned to Cummins Inc.
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Patent number: 12732075Abstract: Six-phase permanent magnet-type electric machines are disclosed. The electric machine includes a stator and a rotor configured to operate as a first three-phase electric machine and a second three-phase electric machine. The first and second three-phase electric machines are coupled with each other via a fractional slot combination with concentrated windings such that a mechanical separation between the first and second three-phase electric machines is at least 60 mechanical degrees.Type: GrantFiled: January 14, 2022Date of Patent: September 8, 2026Assignee: Cummins Inc.Inventors: Md Khurshedul Islam, Akm Arafat
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Patent number: 12722582Abstract: An electronic control includes a housing and an interface extending across the housing. A circuit board disposed in the housing includes a frequency input pin operatively coupled with the interface and an analog input pin operatively coupled the interface. A first conductive trace is operatively coupled with the frequency input pin. A second conductive trace operatively coupled with the analog input pin. A microcontroller is mounted on the circuit board and includes a selectably configurable input operatively coupled at least one of the first conductive trace and the second conductive trace. The microcontroller is configured to process at least one of a frequency signal received via the frequency input pin and an analog signal received at the analog input pin.Type: GrantFiled: October 26, 2023Date of Patent: September 1, 2026Assignee: Cummins Inc.Inventors: Sheng Xu, Mark D. Akins
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Patent number: 12722623Abstract: Methods and systems for a powertrain power management in a vehicle with an electric motor, and an engine are disclosed. The methods and systems involve a powertrain that is operatively coupled to the engine and the electric motor, and an optimizer module operatively coupled to the powertrain. The optimizer module receives an operator information to travel a route from a remote management module, receives current route information for the route from a mapping application in response to the operator information, measures current vehicle status information for the hybrid vehicle, and decides a power management strategy for the vehicle based on the current route information and the current vehicle status information.Type: GrantFiled: February 5, 2025Date of Patent: September 1, 2026Assignee: Cummins Inc.Inventors: Ke Li, Kenneth M. Follen, Anant Puri, John P. Kresse, III, Apurva Arvind Chunodkar
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Patent number: 12723553Abstract: A system includes an engine, one or more gaseous fuel injectors configured to inject gaseous fuel for combustion by the engine, and an electronic control system configured to perform an engine shutdown, during the engine shutdown measure a first pressure of gaseous fuel supplied to at least a first injector of the one or more gaseous fuel injectors, command a first operation of the first injector comprising a plurality of shorter injection pulses, after the plurality of shorter injection pulses measure a second pressure of gaseous fuel supplied to the first injector, command a second operation of the first injector comprising one or more longer injection pulses, each of the one or more longer injection pulses having a duration greater that any of the plurality of shorter injection pulses, and after the one or more longer injection pulses measure a third pressure of gaseous fuel supplied to the first injector, diagnose the first injector in response to the first pressure, the second pressure, and the third preType: GrantFiled: March 31, 2025Date of Patent: September 1, 2026Assignee: Cummins Inc.Inventors: Michael R. Tidwell, Diego Saborio, Ryan Baize, Karthik Sethuraman
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Publication number: 20260249244Abstract: Systems and methods for diagnosing a catalyst of an aftertreatment system are described herein. The system includes an exhaust aftertreatment system and a controller coupled to the exhaust aftertreatment system. The controller receives a dosing efficiency regarding a catalyst of the aftertreatment system and determines an actual aging condition of the catalyst based at least in part on the dosing efficiency. The controller further receives temperature data indicative of an operating temperature of the catalyst, the temperature data having associated runtime durations and determines an expected aging condition of the catalyst based on the temperature data and the associated runtime durations. The controller transmits an early aging notification to a user device in response to the actual aging condition exceeding the expected aging condition.Type: ApplicationFiled: February 20, 2026Publication date: August 27, 2026Applicant: Cummins Inc.Inventors: Imon K. Goswami, Ashwyn Vinay Parambath, Raghav Ojha
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Publication number: 20260251086Abstract: A coolant manifold for an engine cooling system includes a main body. The main body has an outlet port defining an outlet axis that extends in an outlet direction and plurality of inlet ports in fluid providing communication with the outlet port. The plurality of inlet ports includes a first inlet port and a second inlet port. The first inlet port defines a first inlet axis spaced away from the outlet axis. The first inlet axis extends from the main body in a first inlet direction at a first non-zero angle with respect to the outlet direction. The second inlet port defines a second inlet axis spaced away from the outlet axis. The second inlet axis extends from the main body in a second inlet direction at a second non-zero angle with respect to the outlet direction.Type: ApplicationFiled: January 29, 2026Publication date: August 27, 2026Applicant: CUMMINS INC.Inventors: Karan Chitkara, Chuan Wang, Mayur Sudhir Pote, Rahul G. Jajoo
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Patent number: 12715425Abstract: The present disclosure generally relates to a system and methods for managing and controlling emissions produced by a vehicle and/or powertrain, which includes one or more power sources selected from a fuel cell, a fuel cell stack, a battery, and combinations thereof, a processor, one or more inputs, a controller, and one or more emission control devices.Type: GrantFiled: July 26, 2024Date of Patent: August 25, 2026Assignees: CUMMINS INC., HYDROGENICS CORPORATIONInventors: Aaron William Beinborn, David P. Genter, Nathaniel Ian Joos, Archit Koti, Guangji Ji
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Patent number: 12719656Abstract: Methods and systems for extending white-box cryptography are provided. A computing device can maintain, in a memory, one or more cryptography keys encrypted using a white-box cryptography solution. The one or more cryptography keys encrypt or decrypt data with a cryptography algorithm not supported by the white-box cryptography solution. The computing device can perform one or more anti-tampering verifications to detect tampering events for tampering with the computing device or an application installed on the computing device. The computing device can, upon determining that no tampering event is detected, decrypt the one or more cryptography keys using the white-box cryptography solution, and provide the one or more cryptography keys to encrypt or decrypt the data using the cryptography algorithm not supported by the white-box cryptography solution.Type: GrantFiled: May 27, 2022Date of Patent: August 25, 2026Assignee: Cummins Inc.Inventors: Christopher S. York, Daniel Thomas Hackett, Gregory Khari Hinkson, Randall L. Wolf, Sharika K. Kumar
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Patent number: 12715426Abstract: A system for managing emissions of a vehicle includes a controller to perform: activating a heater responsive to a battery state of charge being at or above a predefined threshold, activating an air mover, causing the moving air to be heated to heat an aftertreatment system, receiving an aftertreatment system temperature responsive to activating the air mover, causing the engine to operate in a modified power mode where a power output of the engine is below a power output threshold, responsive to the temperature being at or above a first threshold and below a second threshold, causing the engine to operate the engine in a normal operating mode where the power output of the engine is at or above the power output threshold, responsive to the temperature being at or above the second threshold, and deactivating the heater when the temperature is at or above the second threshold.Type: GrantFiled: June 2, 2025Date of Patent: August 25, 2026Assignee: Cummins Inc.Inventors: Sangeetha Ramdas, Carlos Alcides Lana, Kesavan Ramakrishnan, Lu Qiu, Muhammad Qaisar Fahim, Dat Duc Le
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Patent number: 12711819Abstract: A method includes receiving vehicle data indicative of a least one operating characteristic of one or more vehicles and one or more fault codes from the one or more vehicles, each of the one or more fault codes having a corresponding component; aggregating the one or more fault codes based on the corresponding components of the one or more fault codes; interpreting the vehicle data and the one or more fault codes to determine a potential root cause for the one or more fault codes by comparing vehicle data of a first vehicle of the one or more vehicles to the vehicle data of the one or more vehicles; and providing a graphical user interface to a display device for depicting the one or more fault codes based on the potential root cause.Type: GrantFiled: April 4, 2023Date of Patent: August 18, 2026Assignee: Cummins Inc.Inventors: Michael F. Mattern, Lathika Amin, James C. Dager, Austin Davis, Gorance V. Eftimovski, Ramsundar Muthusubramanian, Paula Piercecchi Watson
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Patent number: 12710006Abstract: Temperature control is provided. A method includes adjusting a first SCR intake position to a second SCR intake position to reduce a first difference between an SCR inlet temperature at the first SCR intake position and a target SCR inlet temperature, responsive to the determination of the first difference. The method includes adjusting a bypass valve position to reduce a second difference between the SCR inlet temperature at the second SCR intake position and the target SCR inlet temperature, responsive to determining the second difference.Type: GrantFiled: March 25, 2025Date of Patent: August 18, 2026Assignee: Cummins Inc.Inventors: Mukund Shriniwas Chaware, Muzammil Mohammed Gaffar Gadwal, Shikha Gupta, Chandrashekhar D Shete, Ulhas Deutkar, Milan Khushal Visaria, Praveen Jadhav
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Patent number: 12709274Abstract: A method includes receiving, by a controller, information indicative of a temperature of an aftertreatment system of the vehicle and an exhaust gas characteristic. The method includes comparing, by the controller, the temperature of the aftertreatment system to a temperature threshold, and comparing, by the controller, the exhaust gas characteristic to a characteristic threshold. The method includes, responsive to the comparisons, commanding, by the controller, an aftertreatment system heater to selectively engage or disengage to warm the aftertreatment system of the vehicle.Type: GrantFiled: October 1, 2024Date of Patent: August 18, 2026Assignee: Cummins Inc.Inventors: Kristopher R. Bare, Kenneth M. Follen, Xing Jin, Jinyong Luo, Manik Narula, Andrew W. Osburn, Anant Puri, Xiaobo Song, Ying Yuan
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Patent number: 12710001Abstract: A computing system is disposed remote from a vehicle and communicably coupled to the vehicle over a network. The computing system includes: a communication interface structured to communicably couple to the network; one or more processors; and a memory storing instructions that, when executed by the one or more processors, cause the one or more processors to: receive, via the communication interface and from a vehicle, vehicle operational data and vehicle metadata; determine a lubricant oxidation rate based on a statistical model; determine a lubricant drain interval based on the lubricant oxidation rate relative to a predefined lubricant oxidation limit; and, provide the lubricant drain interval to an output device. The lubricant may be a lubricant for the vehicle, such as oil.Type: GrantFiled: November 28, 2022Date of Patent: August 18, 2026Assignee: Cummins Inc.Inventors: Anthony J. Huth, Ryan E. Denton, David A. Fields, John Y. Howland, Michael T. Hughes, Corey W. Trobaugh
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Publication number: 20260235060Abstract: A system includes an exhaust aftertreatment system and a controller. The controller is configured to: receiving data comprising a first inlet temperature regarding the first catalyst member and a second inlet temperature regarding the second catalyst member; executing a first control process specific to a first set of components of the exhaust aftertreatment system, the first control process comprising determining a first control process output comprising a heater output temperature target that is at least partly based on at least the first inlet temperature regarding the first catalyst member; executing a second control process specific to a second set of components of the exhaust aftertreatment system, the second control process comprising determining a heater control output based on the data, the first control process output that comprises the heater output temperature target, or both; and causing the heater to operate based on the heater control output.Type: ApplicationFiled: April 6, 2026Publication date: August 13, 2026Applicant: Cummins Inc.Inventors: Liu Qiu, Andrew W. Osburn, Kenneth M. Follen, Anant Puri, Jeffrey David Selwyn Diwakar Abraham, Sourav Pramanik
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Publication number: 20260235059Abstract: A system includes an aftertreatment system and a controller coupled to the aftertreatment system. The controller is configured to receive a model that divides a catalyst of the aftertreatment system into a plurality of portions. The controller is further configured to adjust the model based on one or more sensed values from one or more sensors positioned relative to an upstream portion and a downstream portion of the plurality of portions.Type: ApplicationFiled: February 11, 2025Publication date: August 13, 2026Applicant: Cummins Inc.Inventors: Michael Haas, Adam W. Kidd, Oxford Peng, Shahidur M. Rahman, Ananth Vemuri, Christophe Tricaud, Easwar Yarrabikki
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Patent number: 12706466Abstract: A system for a non-hybrid vehicle is provided. The system includes at least one electrically-powered accessory of a vehicle. The at least one electrically-powered accessory is configured to: receive electrical power generated by an electromagnetic device coupled to an engine; and receive, from a controller, a command configured to control the at least one electrically-powered accessory independent of another electrically-powered accessory of the at least one electrically-powered accessory, whereby the command is independent of an output of the engine.Type: GrantFiled: September 7, 2023Date of Patent: August 11, 2026Assignee: Cummins Inc.Inventors: Joseph E. Paquette, Martin T. Books, Mahesh Madurai Kumar, Jaroslaw Leonarski, Gary L Parker, Erik L Piper
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Patent number: 12704103Abstract: An injector seal assembly including a nozzle combustion shield is disclosed, the thermally conductive component of the injector seal assembly defining at least one groove to allow fluid communication between the main combustion chamber and a gap defined by a fuel injector and the injector seal assembly to facilitate the prevention of corrosion of the components.Type: GrantFiled: February 5, 2025Date of Patent: August 11, 2026Assignee: Cummins Inc.Inventors: Thomas O. Hahn, Terry L. Johnson, Aamir Ibrahim, Raheel Ahmed, Joseph A. Worthington, Chandan Mahato
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Publication number: 20260226869Abstract: A system, method, and apparatus for temperature control of catalyst member using machine learning technique are provided. A processing circuit receives an indication of a hydrocarbon injection event in a vehicle. The processing circuit receives, at a first timeframe associated with the hydrocarbon injection event, a plurality of parameters regarding an operation of the vehicle. The processing circuit predicts, using a model based on the plurality of parameters, temperature data for a second timeframe subsequent to the first timeframe, the temperature data regarding an aftertreatment system of the vehicle. In response to the temperature data being above a threshold, the processing circuit computes, using the model, a second injection rate based on the predicted temperature at the second timeframe, the second injection rate lower than a first injection rate associated with the hydrocarbon injection event. The processing circuit commands an injector to inject hydrocarbon based on the second injection rate.Type: ApplicationFiled: January 31, 2024Publication date: August 6, 2026Applicant: Cummins Inc.Inventors: Vishnu Pandi Chellapandi, Yatish Nagaraj, Sergio M. Hernandez-Gonzalez, Joshua Edward Supplee
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Patent number: 12692811Abstract: A system includes an exhaust gas constituent capture device and a controller coupled to the capture device. The controller is configured to receive data regarding the capture device. The data includes at least one output value. The controller is also configured to determine a predicted output value regarding the capture device. The controller is also configured to determine a state of health of the capture device based on comparing the at least one output value with the at least one predicted output value. The controller is also configured to enable controls to mitigate degradation of the capture device, responsive to determining that the state of health of the capture device is at or below a threshold.Type: GrantFiled: December 12, 2024Date of Patent: July 28, 2026Assignee: Cummins Inc.Inventors: Prashant Reuben Daggolu, Richard J. Ancimer, J. Steven Kolhouse
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Patent number: 12692820Abstract: A fuel system includes including a fuel rail configured to receive fuel from a fuel supply and to supply fuel to a plurality of fuel injectors. A pressure sensor is operatively coupled with and configured to sense pressure of fuel in the fuel rail. An exhaust oxygen sensor operatively coupled with and configured to sense oxygen content of exhaust output by the engine. An electronic control system is configured to receive a fuel pressure signal from the pressure sensor, detect a predetermined frequency of the pressure signal, receive an exhaust oxygen signal from the exhaust oxygen sensor, and in response to an output of the resonating filter and the exhaust oxygen signal, diagnose one of an under-fueling failure mode and an over-fueling failure mode of a diagnosed injector of the plurality of injectors.Type: GrantFiled: January 30, 2025Date of Patent: July 28, 2026Assignee: Cummins Inc.Inventor: Nandagopal Methil Sudhakaran