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Cummins (CMI)

1063 patents

Page 5 of 54
Utility
Filtration Element with Gradient Seal Interface
10 Mar 22
A liquid filtration system includes a filter head, a shell housing, and a filter cartridge.
Pravin Shantinath Kadam, Sudhindra Palaxa Arakeri, Peter K. Herman, Kevin C. South
Filed: 18 Nov 21
Utility
Systems and Methods for Adding Material to Castings
10 Mar 22
A system includes a controller, a pretreating machine, and an additive manufacturing machine.
Howard S. Savage, Roger D. England, Todd M. Wieland, Rafael Hernandez Ruiz Esparza, Nikhil Doiphode, John A. Rupp
Filed: 15 Nov 21
Utility
Thermal Management of Exhaust Gas Via Cylinder Deactivation
10 Mar 22
A system includes a controller coupled to an exhaust gas aftertreatment system coupled to a plurality of combustion cylinders of an engine.
Abhishek Mehrotra, Ward R. Edwards, Timothy P. Lutz, Colin L. Norris, David Joseph Reynolds, Gregory E. Bentley, Amit Goje, Balakrishnan Ramamoorthy, Jagdeep I. Singh, Olusola Afolabi
Filed: 12 Nov 21
Utility
Low Drop Real-time-clock Battery Voltage Control Circuit for Application Specific Integrated Circuit In an Engine Control Module
10 Mar 22
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.
Abhik Giri, Mark Swain, Ashish Raj Jain, Ming Feng, Astha Ganjoo, Shreya Ghatge
Filed: 15 Nov 21
Utility
Variable Energy Ignition Systems, Methods, and Apparatuses
10 Mar 22
A method of controlling an ignitor for a spark-ignition engine includes receiving, by a controller, at least one of fuel quality data regarding a fuel for the spark-ignition engine or a characteristic regarding the ignitor for the spark-ignition engine.
J. Steven Kolhouse, Daniel J. O'Connor, Philipe F. Saad
Filed: 19 Nov 21
Utility
Detecting Thermal Events In Battery Packs
10 Mar 22
A battery module for use in a battery pack is disclosed.
Lawrence HILLIGOSS, Daniel RIEGELS, Matthew D. NELSON, Tyler A. RASH, Rick LEWIS
Filed: 21 Jul 21
Utility
Liquid only lance injector
8 Mar 22
A lance injector assembly for an exhaust component is provided.
Samuel Johnson, John G. Buechler, Matthew K. Volmerding, Jacob W. Brown, Gaurav Hemant Pandit
Filed: 23 Jun 20
Utility
Techniques for improving fuel economy in dedicated EGR engines
8 Mar 22
One embodiment is a system comprising an engine including a dedicated EGR cylinder configured to provide EGR to the engine via an EGR loop, a non-dedicated cylinder, a plurality of injectors structured to inject fuel into the dedicated EGR cylinder and the non-dedicated EGR cylinder, and an electronic control system operatively coupled with the fueling system and the ignition system.
David J. Stroh, Kartavya Neema, Anthony Kyle Perfetto, Shashank Tamaskar
Filed: 19 Jun 20
Utility
Fuel pump with independent plunger cover and seal
8 Mar 22
A fuel pump for an internal combustion engine comprising a barrel having a longitudinal axis that spans between a proximal end and a distal end and a central bore therein.
Roberto Medina Munoz, Matthew B. State, Samuel David Griffith Magnuson, Thomas M. Yeager
Filed: 10 Aug 20
Utility
Systems and Methods for Limiting a Duty Cycle of an Internal Combustion Engine In a Series Hybrid Powertrain for Improved Turbocharger Efficiency
3 Mar 22
A powertrain system includes an engine coupled to a turbocharger and a timer, a motor generator coupled to the engine and a battery, and a controller.
Sriram S. Popuri, Adrian P. Dale, Kristopher R. Bare, Xing Jin
Filed: 1 Sep 20
Utility
Recharging Management for Skipping Cylinders
3 Mar 22
A variety of methods and arrangements are described for managing recharging of cylinders of an internal combustion engine during skip fire operation of the engine.
Louis Joe Serrano, Xiaoping Cai, Yongyan Cao, Vijay Srinivasan, Kevin Shikui Chen, Andrea Marie Evans, Avra Brahma
Filed: 12 Jul 21
Utility
Compressor Seal System
3 Mar 22
A seal system for a bearing chamber (22) of a turbomachine includes the baffle element (70) encircling the axis (25) of the machine.
Matthew Purdey
Filed: 23 Dec 19
Utility
Control Logic Circuit for Connecting Multiple High Side Loads In Engine Control Module
3 Mar 22
Methods and apparatuses for connecting multiple loads with a common return pin in engine control module application are disclosed.
Abhik Giri, Ashish Raj Jain, Ming Feng, Mark Swain
Filed: 8 Nov 21
Utility
Tangential air cleaner with coiled filter cartridge
1 Mar 22
Filtration systems having a tangential air cleaner having a coiled media filter element and a cyclonic pre-cleaner are described.
Robert A. Bannister, Arun P. Janakiraman, Peter K. Herman, Scott W. Schwartz, Jeremiah Cupery, Matthew Louison, Jason A. Scherck
Filed: 23 Jul 20
Utility
System and method for outputting filter monitoring system information via telematics
1 Mar 22
A filter monitoring system and method are described.
Bharadwaj R. Prabhala, Abhijeet Vaidya, Abhijit Shimpi, Amit Dhingra, Kyle J. Brewer
Filed: 13 Aug 20
Utility
Systems and Methods for Mixing Exhaust Gas and Reductant
24 Feb 22
A mixing assembly for an exhaust aftertreatment system includes: a mixing body including upstream and downstream mixing body openings, the upstream mixing body opening configured to receive exhaust gas; an upstream plate coupled to the mixing body, the upstream plate including a plurality of upstream plate openings, each of the plurality of upstream plate openings configured to receive a flow percentage that is less than 50% of a total flow of the exhaust gas; a downstream plate coupled to the mixing body downstream from the upstream plate in a direction of exhaust gas flow, the downstream plate including a downstream plate opening; and a swirl plate positioned between the upstream plate and the downstream plate and defining a swirl collection region and a swirl concentration region, the swirl collection region positioned over the plurality of upstream plate openings and the swirl collection region positioned over the downstream plate opening.
Akshat Gattani, Nitin Tripathi
Filed: 4 Nov 21
Utility
Predictive Pole Slip Using Time Synchronization
24 Feb 22
Systems and apparatuses include an alternator including a stator and a rotor structured to be coupled to a crankshaft of a prime mover, and processing circuits structured to: determine a crankshaft position, associate a crankshaft timestamp with the crankshaft position, determine a stator voltage waveform position, associate a stator voltage waveform timestamp with the stator voltage waveform position, determine a common time base using the crankshaft timestamp and the stator voltage waveform timestamp, determine a rotor position based on the crankshaft position and associated with the common time base, determine a load angle based on the rotor position and the stator voltage waveform position using the common time base, compare the load angle to a stability limit, and transmit a predicted pole slip signal to at least one of the prime mover or the alternator to inhibit a pole slip event when the load angle exceeds the stability limit.
Sandeep Kor, Dennis McDonald
Filed: 23 Aug 21
Utility
Fuel Injector Having Nozzle Spray Holes with Grooves
24 Feb 22
An injector includes a nozzle body extending along a longitudinal axis and at least one spray hole extending through a portion of the nozzle body to output a fluid from the injector.
Ross A. Phillips, Jordan P. Steele, Frank Husmeier, Bryan D. Rollin
Filed: 21 Jul 21
Utility
Diffuser space for a turbine of a turbomachine
22 Feb 22
A turbine housing defining a pair of volutes with respective outlets divided by a divider wall, includes a diffuser space in the gas flow path between the volutes and the turbine wheel.
Jon-Luke Keating
Filed: 30 Jul 18
Utility
Systems and methods for catalyst sensor diagnostics
22 Feb 22
An apparatus includes a processing circuit structured to receive a first signal indicative of an upstream air-fuel equivalence ratio from a first sensor positioned upstream of an intake of a catalyst, receive a second signal indicative of a downstream air-fuel equivalence ratio from a second sensor positioned downstream of the intake of the catalyst, determine an actual oxygen storage capacity of the catalyst based at least in part on the received first signal and the received second signal, compare the actual oxygen storage capacity to a maximum storage capacity, and provide a fault signal in response to the actual oxygen storage capacity exceeding the maximum storage capacity.
Avra Brahma, Vivek Bithar
Filed: 6 Dec 17
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