Patents Assigned to Cummins Inc.
  • Patent number: 11603880
    Abstract: A turbocharger shaft includes a connection portion at a connection with a wheel of the turbocharger. The shaft includes a stainless steel cladding at least along one or more grooves of the connection portion to reduce the risk of cold cracking and bending fatigue.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: March 14, 2023
    Assignee: Cummins Inc.
    Inventors: Hareash Nandalal Vontivilu, Erica M. Raisor, Nikhil Doiphode, Todd M. Wieland, Abhijit Namjoshi, Howard S. Savage
  • Patent number: 11603113
    Abstract: A method includes receiving, by a remote server, operating parameters regarding one or more components of a vehicle from a vehicle controller of the vehicle; retrieving, by the remote server, at least one of static information or dynamic information regarding one or more parameters ahead of the vehicle; determining, by the remote server, an adjustment for at least one of the one or more components of the vehicle based on (i) the operating parameters and (ii) the at least one of the static information or the dynamic information; and providing, by the remote server, an instruction to the vehicle controller regarding the adjustment.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: March 14, 2023
    Assignee: Cummins Inc.
    Inventors: Hoseinali Borhan, Edmund P. Hodzen
  • Patent number: 11602798
    Abstract: A method is provided comprising identifying an alignment point of a workpiece; positioning a first end of an electrode in the direction of the alignment point of the workpiece; applying a first voltage to the electrode wherein the applied first voltage generates a spark; rotating the electrode in a first direction; advancing the electrode toward the alignment point by a first distance wherein advancing the electrode and applying the first voltage creates a first orifice section; applying a second voltage to the electrode and modifying one or more operational parameters of the electrode; advancing the electrode toward the alignment point by a second distance wherein advancing the electrode and applying the second voltage causes formation of at least a second orifice section; wherein the first and second orifice sections cooperate to form an orifice comprising a first flow area and a second flow area.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: March 14, 2023
    Assignee: Cummins Inc.
    Inventors: Chen-Chun Kao, John K. Awad, Steven Valentin
  • Patent number: 11598277
    Abstract: A method includes operating a spark ignition engine and flowing low pressure exhaust gas recirculation (EGR) from an exhaust to an inlet of the spark ignition engine. The method includes interpreting a parameter affecting an operation of the spark ignition engine, and determining a knock index value in response to the parameter. The method further includes reducing a likelihood of engine knock in response to the knock index value exceeding a knock threshold value.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: March 7, 2023
    Assignee: Cummins Inc.
    Inventors: Marten H. Dane, J. Steven Kolhouse, Thomas M. Yonushonis, J. Stephen Wills, Samuel C. Geckler
  • Patent number: 11597386
    Abstract: A method is provided for scheduling regenerative braking torque, including: sensing a position of an accelerator pedal; generating a torque request value in response to the sensed accelerator pedal position; determining a speed of operation of a motor/generator; determining a torque limit in response to the torque request value and the determined speed of the motor/generator; generating a regenerative braking command in response to the torque limit; and outputting the regenerative braking command to the motor/generator.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: March 7, 2023
    Assignee: Cummins Inc.
    Inventors: Martin T. Books, Joseph E. Paquette
  • Patent number: 11598239
    Abstract: An exhaust aftertreatment system includes a cross-flow selective catalytic reduction catalyst. The cross-flow selective catalytic reduction catalyst includes a housing and a substrate assembly. The substrate assembly includes a plurality of first substrate layers defining a plurality of first flow channels and a plurality of second substrate layers defining a plurality of second flow channels. The exhaust aftertreatment system includes a passive NOx adsorber. The passive NOx adsorber includes a housing. The housing includes an inlet in exhaust gas receiving communication with the plurality of first flow channels of the cross-flow selective catalytic reduction catalyst. The housing includes an outlet in exhaust gas providing communication with the plurality of second flow channels of the cross-flow selective catalytic reduction catalyst. The passive NOx adsorber includes a substrate positioned in the housing. The substrate includes a passive NOx adsorber washcoat.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: March 7, 2023
    Assignee: Cummins Inc.
    Inventors: Lars Krister Henrichsen, Krishna P. Chilumukuru, Michael Haas, Matthew L. Anderson
  • Patent number: 11591937
    Abstract: The present disclosure provides a remote mount for an idler gear assembly, comprising: a gear mounting plate including a plurality of bores configured to receive a corresponding plurality of fasteners to mount a gear assembly to the gear mounting plate; and an attachment bracket including a plurality of mounting openings configured to receive a corresponding plurality of bolts to mount the remote mount to a cylinder head. The gear mounting plate supports the gear assembly such that a gear of the gear assembly rotates about an axis that is parallel to an axis of a crankshaft of an engine and the attachment bracket mounts to an upper surface of the cylinder head.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: February 28, 2023
    Assignee: CUMMINS INC.
    Inventors: David M. Barnes, Kevin C. Augustin, Sr.
  • Patent number: 11591944
    Abstract: A controller for removing deposits in a vehicle is disclosed. The controller includes at least one processor and a memory storing instructions therein that, when executed by the at least one processor, cause the at least one processor to: determine an amount of deposits accumulated in the vehicle based on an amount of time; determine a combustion target for the vehicle in response to determining that the amount of deposits exceeds a deposit threshold; and modulate a fluid flow of the vehicle based on the determined combustion target.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: February 28, 2023
    Assignee: Cummins Inc.
    Inventors: John L. Hoehne, Paul Daniel Borisuk, Boopathi Singalandapuram Mahadevan, Joshua A. Lantz, Jeffrey W. Lewis, Snita Navnith Menon
  • Publication number: 20230055229
    Abstract: A lubricant manifold includes a lubricant filter head, a pump inlet channel, an inlet transfer channel, and a lubricant cooler. The lubricant filter head is configured to be coupled to a lubricant filter. The pump inlet channel is fluidly coupled to the lubricant filter head and integrally formed with the lubricant filter head. The pump inlet channel is configured to receive a lubricant and provide the lubricant to the lubricant filter head. The inlet transfer channel is fluidly coupled to the lubricant filter head and integrally formed with the lubricant filter head and the pump inlet channel. The inlet transfer channel is configured to receive the lubricant from the pump inlet channel. The lubricant cooler is fluidly coupled to the inlet transfer channel and integrally formed with the lubricant filter head, the pump inlet channel, and the inlet transfer channel.
    Type: Application
    Filed: November 4, 2022
    Publication date: February 23, 2023
    Applicant: CUMMINS INC.
    Inventors: Shweta Nitin Patil, Chuan Wang
  • Patent number: 11586220
    Abstract: An electronic control system is configured to control operation of a platoon including a plurality of vehicles. The electronic control system may be configured one or more of operate each of the vehicles to provide operation emulating the lowest non-platooning vehicle performance capability among the plurality of vehicles of the platoon, operate an individualized predictive cruise control (IPCC) process for each of the vehicles and a corresponding supervisory safety process for the platoon, and operate a cooperative predictive cruise control (CPCC) process for each of the vehicles and a corresponding supervisory safety process for the platoon.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: February 21, 2023
    Assignee: Cummins Inc.
    Inventors: Vivek Anand Sujan, Parul Chadha, Archit N. Koti
  • Patent number: 11578675
    Abstract: A system for detecting and controlling air-fuel ratio imbalance conditions between cylinders of an internal combustion engine having a plurality of cylinders is disclosed.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: February 14, 2023
    Assignee: Cummins Inc.
    Inventors: Avra Brahma, Yongsoon Yoon
  • Patent number: 11580862
    Abstract: A control system for a vehicle includes an engine controller operable to determine a requested engine torque in response to a cruise control set command and a cruise control offset value, determine an engine torque command in response to the requested engine torque and a torque limit, and control operation of an engine in response to the engine torque command. The control system also includes a platooning controller operable to determine and provide to the engine controller the cruise control set command, the cruise control offset value and the torque limit effective to cause the engine controller to control the engine to provide a desired following distance between the vehicle and a second vehicle.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: February 14, 2023
    Assignee: Cummins Inc.
    Inventors: Vivek Anand Sujan, Christine L. Hilmer, Ethan Charles Seifer, Howard Robert Frost
  • Patent number: 11577581
    Abstract: A climate control system for vehicles includes an internal combustion engine that may be coupled to selectively power a first motor generator, and an air conditioning compressor that may be selectively powered by one or both of the first motor generator and a second motor generator, or by the internal combustion engine. The system may include a rechargeable battery, and a vehicle controller having a vehicle state circuit structured to determine a vehicle operating condition value and a state-of-charge value of the rechargeable battery, and a coupling determination circuit structured to provide an internal combustion engine-first motor generator coupling command in response to the vehicle operating condition value and the state-of-charge value. In response to the internal combustion engine-first motor generator coupling command being provided as coupled, the internal combustion engine may power the first motor generator.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: February 14, 2023
    Assignee: Cummins Inc.
    Inventors: Mahesh Madurai Kumar, Gary L. Parker, Subbarao Varigonda, Joseph E. Paquette, Benjamin David Padgett, William Brent Fields, Praveen Chitradurga Muralidhar, Vivek Anand Sujan, Dean Deter, David E. Smith
  • Patent number: 11579651
    Abstract: Systems and apparatuses include a circuit structured to communicate with a real-time-clock battery and to selectively communicate with a vehicle battery, inhibit communication between the real-time-clock battery and a controller when a first voltage is received from the vehicle battery, and provide a communication from the real-time-clock battery to the controller when the first voltage is not received.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: February 14, 2023
    Assignee: Cummins Inc.
    Inventors: Abhik Giri, Mark Swain, Ashish Raj Jain, Ming Feng, Astha Ganjoo, Shreya Ghatge
  • Publication number: 20230044685
    Abstract: A controller includes at least one processor coupled to a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to: perform operations comprising: determining a concentration of a plurality of wear metal particles in a lubricant for an engine system; determining a filtered concentration of the plurality of wear metal particles using a baseline concentration of the plurality of wear metal particles; setting a diagnostic threshold based on the filtered concentration of the wear metal particles; and, responsive to determining that the concentration of the wear metal particles exceeds the diagnostic threshold, providing a notification.
    Type: Application
    Filed: October 19, 2022
    Publication date: February 9, 2023
    Applicant: Cummins Inc.
    Inventors: Travis A. Anderson, Neha Chandrachud, Renae Christianson, Lorraine H. Myers, Pallav Pathak, Patrick J. Shook
  • Patent number: 11572969
    Abstract: A fluid transfer connector securely connects a port fitting of a fluid device to a fluid hose. The fluid transfer connector includes an attachment member attachable to the port fitting of the fluid storage device. The fluid transfer connector further includes a hose adapter including a housing with a seal that wipes and sealingly engages the port fitting when the hose adapter is engaged to the attachment member.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: February 7, 2023
    Assignee: Cummins Inc.
    Inventors: Shawn A. Rockey, J. Steven Kolhouse
  • Publication number: 20230031074
    Abstract: A method includes determining that at least one diesel emissions fluid (DEF) doser of an exhaust aftertreatment system is likely frozen based on at least one of an ambient air temperature or a DEF source temperature; operating an engine in a cylinder cutout mode in response to the determination that the at least one DEF doser is likely frozen; and, discontinuing the cylinder cutout mode in response to determining that the at least one DEF doser is in a predefined condition.
    Type: Application
    Filed: October 10, 2022
    Publication date: February 2, 2023
    Applicant: Cummins Inc.
    Inventors: Ankit Raghunath Lad, Joshua Alan Lantz, Vaibhav J. Lawand, Nicholas R. Lewis, Ian W. McGiffen, Arulkumaran Muthukumarasamy
  • Publication number: 20230035148
    Abstract: 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: Application
    Filed: October 14, 2022
    Publication date: February 2, 2023
    Applicant: Cummins, Inc.
    Inventors: Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
  • Patent number: 11563394
    Abstract: A system includes a generator and an engine coupled to the generator. The engine is configured to provide mechanical power to the generator. The system further includes a controller coupled to the engine and the generator. The controller is configured to: receive information regarding an engine operating parameter threshold value at which an engine operating parameter value failed to match a load demand value that is indicative of a load exerted by the generator on the engine, and set the engine operating parameter threshold value as a maximum allowable engine operating parameter value for the engine.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: January 24, 2023
    Assignee: Cummins Inc.
    Inventors: Erik L. Piper, Martin T. Books, Richard A. Booth
  • Publication number: 20230016806
    Abstract: A method of controlling a skip-fire cylinder deactivation system of an engine system is provided. The method includes a controller deactivating a cylinder of the engine system to operate the engine system in a skip-fire mode. The method further includes determining a temperature of an injector tip nozzle associated with the cylinder and comparing the temperature of the injector tip nozzle to a threshold a temperature. In response to determining that the temperature of the injector tip nozzle is greater than the threshold temperature, the cylinder is activated by the controller.
    Type: Application
    Filed: September 23, 2022
    Publication date: January 19, 2023
    Applicants: CUMMINS INC., TULA TECHNOLOGY, INC.
    Inventors: J. Steven Kolhouse, Ross A. Phillips