Patents Assigned to Cummins Inc.
  • Patent number: 12160159
    Abstract: A rotating electrical machine is disclosed, the machine comprising a stator comprising a stator core and stator end windings extending out of the stator core, a rotor arranged to rotate inside the stator, a rotor shaft, the rotor shaft having a hollow interior, a coolant circuit for circulating coolant through the machine, and a machine enclosure. The coolant circuit comprises an injection tube arranged to introduce coolant into the hollow interior of the rotor shaft. The rotor shaft is arranged such that coolant exits the hollow interior of the rotor shaft at each end of the machine and is propelled outwards towards the stator end windings. The machine enclosure comprises a passageway for supplying coolant to the injection tube. A coolant distribution channel may be provided for distributing coolant to other parts of the machine to allow the machine to be cooled at multiple locations using the same coolant circuit.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: December 3, 2024
    Assignee: Cummins Inc.
    Inventors: Richard Matthew Barden, Krzysztof Paciura
  • Patent number: 12157369
    Abstract: An energy recovery drive system includes a motor-generator that is structured to selectively operate in a motor mode and a generator mode. A first shaft is operatively coupled to a transmission power take-off shaft. A second shaft is operatively coupled to the motor-generator and to an alternative power source. The energy recovery drive system is controllably operated in a plurality of operating modes. In a first operating mode, the motor-generator is in torque providing engagement with each of the first and second shafts. In a second operating mode, the motor-generator is in torque communicating engagement with each of the first and second shafts. In a third operating mode, which the motor-generator is in torque communicating engagement with the second shaft and is disengaged from transferring torque to the first shaft and from receiving torque from the first shaft.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: December 3, 2024
    Assignee: Cummins Inc.
    Inventor: Dixon Malcolm Correa
  • Patent number: 12158131
    Abstract: Low-cost fuel injection systems for internal combustion engines, including vapor fuel engines are provided.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: December 3, 2024
    Assignee: Cummins Inc.
    Inventors: Anthony K. Perfetto, Samuel C. Geckler, Adam C. Cecil
  • Patent number: 12152670
    Abstract: A system, method and apparatus are disclosed for a clutch assembly for an automated manual transmission. The clutch assembly includes a dual power path. One power path connects a prime mover to the automated manual transmission via a wet clutch, and a second power path connects one of the prime mover and the automated manual transmission to a grounded connection for synchronizing the speed thereof for a gear change.
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: November 26, 2024
    Assignee: Cummins Inc.
    Inventor: Steven M. Bellinger
  • Patent number: 12152517
    Abstract: Systems and methods for diagnosing an exhaust aftertreatment system and mitigating the effects of a potential fault in the exhaust aftertreatment system are provided. A method includes: receiving, by a controller, data indicative of an amount of at least one of a gain or an offset affecting a sensor in an aftertreatment system; determining, by the controller, a compensation value based on the amount of the at least one of the gain or the offset; receiving, by the controller, data indicative of an amount of an exhaust gas constituent in the aftertreatment system; applying, by the controller, the determined compensation value to the data indicative of the amount of the exhaust gas constituent in the aftertreatment system to create compensated data; and initiating, by the controller, an action based on the compensated data.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: November 26, 2024
    Assignee: Cummins Inc.
    Inventors: Arun Shori Sundaravel Damotharan, Rutika Kaustubh Gokhale
  • Patent number: 12151561
    Abstract: Systems and methods to control an electric vehicle accessory of an electric vehicle during a charge event are provided. An apparatus includes a controller communicatively coupled to a battery and an electric vehicle accessory. The controller is structured to: receive a battery power limit from the battery management system; receive an indication that the battery is undergoing the charge event; and cause the electric vehicle accessory to recharge by absorbing energy from a charging station during the charge event.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: November 26, 2024
    Assignee: Cummins Inc.
    Inventors: Martin T. Books, Richard A. Booth, Erik L. Piper, Patrick Sill
  • Publication number: 20240386759
    Abstract: A method includes: receiving information indicative of operation of a vehicle and of a driving condition for the vehicle; determining a slowdown event of the vehicle within a predefined time period or distance based on the received information; determining, in response to the determination of the slowdown event within the predefined time period or distance; that a takeover event is feasible based on the received information; and, initiating the takeover event in response to the determination that the takeover event is feasible.
    Type: Application
    Filed: July 29, 2024
    Publication date: November 21, 2024
    Applicant: Cummins Inc.
    Inventor: Hoseinali Borhan
  • Patent number: 12149116
    Abstract: A system and method for energy management of hybrid power generation systems is provided. In some implementations, an energy power management system (EPMS) may receive information indicating a health event for a hybrid power generation system comprising a battery. The EPMS may modify a battery charging condition based on the information indicating the health event. Further, the EPMS may direct the hybrid power generation system to charge the battery based on a state of charge (SOC) of the battery and the modified battery charging condition. Also, the EPMS may direct the hybrid power generation system to modify one or more system parameters based on the modified battery charging condition.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: November 19, 2024
    Assignee: Cummins Inc.
    Inventors: Ramya vyas Arvind, Patrick J. Shook
  • Patent number: 12148508
    Abstract: A method includes inputting used oil analysis data to a pre-trained predictive model, the used oil analysis data including values quantifying a plurality of chemical components measured in a sample of used oil taken from an engine under analysis, determining a probability of at least one fail code with the pre-trained predictive model in response to the used oil analysis data, the at least one fail code corresponding to one of a plurality of predetermined engine failure types, providing the at least one fail code and the probability of the at least one fail code to an expert system, performing with the expert system a root cause analysis of the at least one fail code determine a root cause indicating a preventative maintenance action, and performing the predictive maintenance action on the engine under analysis.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: November 19, 2024
    Assignee: Cummins Inc.
    Inventors: Ryan E. Denton, Xinjian Xue, Corey W. Trobaugh, Anthony Joseph Huth
  • Patent number: 12146451
    Abstract: Various embodiments of the present disclosure relate to methods and systems for measuring an injected fuel quantity during multipulse injection events in a common rail of a fuel system including a fuel pump to supply fuel to the common rail. The method, using a control unit, determines if each of the multipulse injection events in a normal operating condition includes a pilot pulse; in response to determining that the pilot pulse is included, obtaining an enforced separation value between the pilot pulse and the main pulse to emulate a single-pulse injection; while the fuel pump is temporarily shut off, performing a temporary enforced separation on a fraction of the multipulse injection events; measuring a pressure change in the common rail during the temporary enforced separation; and resuming the normal operating condition of the multipulse injection events after the pressure change is measured.
    Type: Grant
    Filed: November 20, 2023
    Date of Patent: November 19, 2024
    Assignee: Cummins Inc.
    Inventors: David Michael Carey, Sanjay Manglam
  • Patent number: 12146449
    Abstract: At least some embodiments of present disclosure direct to a fuel injection timing drift detection and/or compensation system. In some cases, the system collects or receives a series of fuel pressure data measured by one or more fuel pressure sensors. The system is configured to receive an indication of fuel flow cutout and a start-of-injection command signal. The system calculates a set of pressure drops using the series of fuel pressure data and identifies a selected pressure drop greater than a predetermined threshold to determine a measured start-of-injection timing based on the selected pressure drop. The system is further configured to evaluate whether a fuel injection drifting occurs based on received start-of-injection command signal and the measured start-of-injection timing. In some cases, the fuel injection drifting is used to either compensate fuel injection timing or raise a flag indicating the drifting.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: November 19, 2024
    Assignee: Cummins Inc.
    Inventors: Mayur H. Borate, Srinivas Kumar Mulukutla, Shailesh Nair, David Michael Carey, Syed Shah Jalal
  • Patent number: 12140067
    Abstract: The application relates to cylinder head water jacket design. A water jacket for a cylinder head of an engine system includes a water jacket lower portion including a plurality of water jacket lower portion coolant inlets and a plurality of water jacket lower portion coolant paths. The water jacket lower portion is in coolant receiving communication with the water jacket lower portion coolant inlets. The water jacket further includes a water jacket upper portion connected to and in coolant receiving communication with the water jacket lower portion. The water jacket upper portion includes a first coolant rail, a second coolant rail, and a water jacket upper portion coolant outlet. A first one of the plurality of water jacket lower portion coolant paths surrounds at least a portion of an exhaust port of the cylinder head. A second one of the plurality of water jacket lower portion coolant paths is positioned between two intake ports of the cylinder head.
    Type: Grant
    Filed: October 25, 2023
    Date of Patent: November 12, 2024
    Assignee: Cummins Inc.
    Inventors: Xiling Zhou, Darrin Ferry, Vijaysai Karuppiah Kumareshan
  • Publication number: 20240369025
    Abstract: A method for controlling air and fuel supply to an engine of a machine includes: detecting, by a processing circuit, a change in a loading condition on the engine of the machine based on use of an implement system of the machine; and providing, by the processing circuit, a command to (i) a fueling system of the machine to increase an amount of fuel provided to the engine by the fueling system and (ii) an air handling system of the machine to increase at least one of (a) an amount of air or (b) a boost pressure of the air provided to the engine by the air handling system in response to an increase in the loading condition.
    Type: Application
    Filed: July 16, 2024
    Publication date: November 7, 2024
    Applicant: Cummins Inc.
    Inventors: Chirag Dhirajlal Ambaliya, Randal L. Bergstedt, Sunil Dhulipati, Hari Donepudi, Rohit Saha, Jagdeep I. Singh, Sumit Tripathi
  • Publication number: 20240371214
    Abstract: Systems, methods, and apparatuses for automatically logging telematics data are provided herein. An apparatus includes one or more processors, and one or more memory devices storing instructions that, when executed by the one or more processors, cause the one or more processors to: receive access information from a remote computing system, the access information comprising information indicative of a data type and a logging duration; and, log telematics data that corresponds to the data type. Logging the telematics data includes: storing the telematics data that corresponds to the data type in a buffer for the logging duration; monitoring for a fault code; responsive to not detecting the fault code, causing the buffer to delete a portion of the telematics data; and responsive to detecting the fault code, providing the telematics data to the remote computing system.
    Type: Application
    Filed: April 22, 2024
    Publication date: November 7, 2024
    Applicant: Cummins Inc.
    Inventors: Gregory L. Emerick, Girish Chandramouli, Loran David Radle, Brad Curtis Sutton, Nathan McLeese, Joyer Benedict Lobo
  • Publication number: 20240360776
    Abstract: The application relates to a camshaft carrier for supporting a camshaft, an engine system, and a method of assembly. An engine system includes a cylinder block, a cylinder head, a camshaft carrier, a camshaft, and a fuel injector assembly. The cylinder head is coupled to the cylinder block and defines at least one of an inlet passage or an exhaust passage therein. The camshaft carrier is coupled to the cylinder head and the camshaft is coupled to the camshaft carrier. The fuel injector assembly is coupled to the camshaft carrier and extends through a carrier sidewall of the camshaft carrier.
    Type: Application
    Filed: April 23, 2024
    Publication date: October 31, 2024
    Applicant: CUMMINS INC.
    Inventor: Xiang Guo
  • Patent number: 12131595
    Abstract: A computing system is structured to receive operating data provided by a telematics circuit associated with a remote engine. The operating data comprises information provided by at least one sensor and/or at least one actuation command. The computing system is structured to determine, based on the operating data, a plurality of field-replaceable units (FRUs) associated with the operating data. The computing system is structured to generate a computer-based simulation corresponding to at least one degradation level for an FRU from the plurality of FRUs, identify a most probable failure, and rank the computer-based simulations across the plurality of FRUs. The computing system is structured to generate an electronic notification comprising data associated with the most probable failure and transmit the electronic notification to a computing device.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: October 29, 2024
    Assignee: Cummins Inc.
    Inventors: Rohan Achyut Gumaste, Michael Haas, Tara L. Hemami, Krithika Mohan, Veronica Susan Perks, Shakti Saurabh, Jeffrey David Selwyn Diwakar Abraham
  • Patent number: 12129810
    Abstract: A method for finishing at least one port within a cylinder of a two-stroke engine, comprising tracing a curvature of an existing port hole for the at least one port using a force sensing tool, wherein forming an engine block for a two-stroke engine, comprising: casting the engine block, wherein the cast engine block includes at least one intake port and at least one exhaust port; rough machining a cylinder of the engine block, wherein at least one of the at least one intake port and the at least one exhaust port is positioned along a wall of the cylinder and both of the at least one intake port and the at least one exhaust port are fluidly coupled to the cylinder; and finishing an edge of at least one of the at least one intake port and the at least one exhaust port to provide a smooth surface.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: October 29, 2024
    Assignees: Cummins Inc., ACHATES POWER INC.
    Inventors: Robert G. Sperry, Jordan E. Kelleher, Jeffrey A. Wheitner, Jeffrey D. Olmstead, Myron T. Rickard, David J. Eckroth
  • Patent number: 12128898
    Abstract: A method for managing emissions from a vehicle having an aftertreatment system is provided. The method includes: receiving, by a controller, information indicative of a temperature of an aftertreatment system of the vehicle and a power output of an engine of the vehicle; comparing, by the controller, the temperature of the aftertreatment system to a temperature threshold; comparing, by the controller, the power output to a power output threshold; and responsive to the comparisons, commanding, by the controller, an aftertreatment system heater to selectively engage and disengage to warm the aftertreatment system of the vehicle.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: October 29, 2024
    Assignee: Cummins Inc.
    Inventors: Kristopher R. Bare, Kenneth M. Follen, Xing Jin, Jinyong Luo, Manik Narula, Andrew W. Osburn, Anant Puri, Xiaobo Song, Ying Yuan
  • Patent number: 12130335
    Abstract: A computer-implemented method for establishing a trained state of health (SOH) estimation model, the method comprising: acquiring a voltage vs. capacity (QV) data of a training battery at a first SOH within a predetermined voltage range during a charging cycle; obtaining an incremental capacity (IC) data based on at least the acquired QV data; extracting an ICA area and an ICA peak from the IC data; inputting the extracted ICA area and the ICA peak into an ICA database; repeating the acquiring, the obtaining, the extracting, and the inputting processes on the training battery at one or more additional SOHs; and establishing the trained SOH estimation model by training and testing a base SOH estimation model based on at least the ICA database using Support Vector Regression; wherein the trained SOH estimation model is configured to be used by a battery management system to monitor the health of a battery.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: October 29, 2024
    Assignee: Cummins Inc.
    Inventor: Guodong Fan
  • Patent number: 12115970
    Abstract: A vehicle system includes a powertrain including an electric motor operatively coupled with an automated manual transmission and an electronic control system including a gear shift control module, a transmission control module, and a motor control module in operative communication with one another over one or more controller area networks. The electronic control system includes supervisory controls configured to configured to arbitrate between a plurality of motor operation requests received over the one or more controller area networks to select a winning motor operation request, the plurality of motor operation requests including the operator torque request, evaluate one or more shift inhibit conditions, and command the electric motor to provide the winning motor operation request when none of the one or more shift inhibit conditions evaluate as true.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: October 15, 2024
    Assignee: Cummins Inc.
    Inventors: Harsha Ravindra Ademane, John P. Kresse, III, Arun Prakash Thunga Gopal, Kenneth M. Follen