Cummins Inc.

Tula Technology, Inc.

Cummins Engine Company, Inc.

Cummins IP, Inc.

J Steven Kolhouse

Vivek Anand Sujan

Thomas M Yonushonis

Aaron William Beinborn

Samuel C Geckler

J Stephen Wills

Adrian P Dale

David J Stroh

Timothy P Lutz

C Larry Bruner

Avra Brahma

Lyle E Kocher

Axel Otto Zur Loye

Timothy C Ernst

Carlos Alcides Lana

David Schmidt

Geomy George

Jennifer Kay Light-Holets

Anthony Kyle Perfetto

Phanindra V Garimella

Michael J Ruth

Edmund P Hodzen

Phani Kiran Vajapeyazula

Anant Puri

Jonathan A Dickson

Mark A Rosswurm

David J Langenderfer

Ryan Edward Schultz

Daniel J O'Connor

Robert Charles Borregard

Louis Joseph Serrano

Govindarajan Kothandaraman

Marten H Dane

Manik Narula

Robin J Bremmer

Nimish Bagayatkar

Vijay Srinivasan

Timothy R Frazier

Adam C Cecil

Philipe F Saad

Leon A LaPointe

Daniel J Mohr

Apurva Arvind Chunodkar

David E Koeberlein

Ross A Phillips

Steven John Small

Martin T Books

Donald J Benson

Michael Haas

David M Barnes

Christopher R Nelson

Steven E Carlson

John K Heichelbech

Sriram S Popuri

Kristopher R Bare

Daniel Reed Dempsey

Xiaoping Cai

Xiaobo Song

Ying Yuan

Gary Charles Salemme

Scott Robert Bardakjy

Suk-Min Moon

Lisa A Orth-Farrell

Yujun Wang

Jared Carpenter Delahanty

Ashish Shankar Gupta

Shuai Sun

Shawn Aaron Rockey

Janardhan Kodavasal

Ved Merchant

Christopher Pollitt

Michael Hays

Di Wang

Anshul Shambhav

Timothy J Proctor

Thomas Robert Marsh

Brett A Boas

Robert Edward Cochran

Jeffrey A Green

Eric A Pyers

James Randall Nebergall

Kai Wang

David W Ochs

Jeffrey A Wheitner

Brian S Bower

Anshul Shambav

Bhanu Teja Krishnavajjala

A system includes an exhaust aftertreatment system including a particulate filter and a controller. The controller is configured to: receive information comprising a temperature regarding a filter of the aftertreatment system; and responsive to determining that the temperature regarding the filter is below a temperature threshold, command the engine to operate according to a first firing fraction. The first firing fraction may define a number of active cylinders of the engine relative to a total number of cylinders of the engine, and correspond to a predetermined temperature value of the filter.

Systems and methods for filter regeneration with cylinder deactivation

A system includes a controller having at least one processing circuit including at least one memory coupled to at least one processor. The controller is configured to: receive data regarding operation of an engine indicating that one or more cylinders of a plurality of cylinders of the engine is compromised; cause the engine to operate in a modified engine operating mode whereby operation of the one or more cylinders that is compromised is modified; cause the engine to operate in a non-modified engine operating mode whereby operation of the one or more cylinders that is compromised is not modified responsive to receiving information regarding a predetermined condition despite the data regarding operation of the engine indicating that the one or more cylinders of the plurality of cylinders of the engine is compromised.

Systems and methods for bypassing a compromised engine cylinder

System, apparatus, and methods are disclosed for identifying passing opportunities for a vehicle and controlling the vehicle in response to the passing opportunities. For example, operation of one or more components of the vehicle can be changed in advance of attempting the pass to better prepare the vehicle for acceleration to initiate and complete the pass attempt. Operation of one or more components of the vehicle can be changed during passing to assist the vehicle in completing the pass.

Systems and methods for vehicle control in response to a passing opportunity

A system including an exhaust aftertreatment system and a controller coupled to an engine and the exhaust aftertreatment system is provided. The controller is configured to: receive information including at least one of environmental information or operating information regarding the system; determine that a condensation state is present in the exhaust aftertreatment system based on the environmental information and the temperature associated with the exhaust system; and responsive to determining that the condensation state is present, command the engine to operate in a cylinder deactivation mode whereby at least one cylinder of a plurality of cylinders of the engine is deactivated.

Systems and methods to minimize exhaust system condensation

A system and method of controlling operation of an internal combustion engine are provided. The method includes performing a cylinder deactivation operation while running the engine, selecting at least one of the plurality of temperature maintenance actions to increase an exhaust temperature, and performing at least one of the plurality of temperature maintenance actions effective to increase the exhaust temperature. The plurality of temperature maintenance actions may include one or more of a charge air cooler bypass operation, an EGR cooler bypass operation, an aftertreatment system heater operation, a turbocharger bypass operation, a turbocharger geometry adjustment operation, an intake air throttle adjustment operation, and a delayed injection timing operation, or combinations thereof.

Exhaust temperature controls for engine operation with cylinder deactivation

Systems and apparatuses include a controller including at least one processor coupled to a memory storing instructions that, when executed by the at least one processor, causes the at least one processor to: receive data indicative of at least one of a current route or of a current performance of a vehicle; correlate at least one of the current route or the current performance to a control strategy; and determine at least one of a timing or a duration of an active regeneration event for an aftertreatment system based on the correlated control strategy.

Systems and methods for management of exhaust aftertreatment systems using predictive analytics

An apparatus includes a control circuit. The control circuit is structured to interpret condition data indicative of an external operating condition of a vehicle, determine an operating parameter of the vehicle based on an actuator response of an actuator of the vehicle, compare the operating parameter to an operating parameter threshold where the operating parameter threshold is based on the external operating condition, and remap an actuator response map of the actuator based on the comparison indicating that the operating parameter does not satisfy the operating parameter threshold. The operating parameter includes at least one of a fuel economy value, an emissions value, an acceleration value, a braking value, or a wear value.

System, method, and apparatus for driver optimization

A method of calibrating a control system based on a parametric value of a component. The method includes receiving a current from a component of the control system. The component is communicatively coupled to a controller and has a parametric resistor with a parametric resistance value correlating to a parametric value associated with the component. The method further includes determining the resistance value of the parametric resistor by measuring a parametric voltage rating from the current. The method further includes mapping the resistance value to the parametric value associated with the component. The method further includes generating a calibration data set. The calibration data set is based on calibrating the control system to calibrate for the parametric value. The method further includes transmitting a signal to the component. The signal is based on the calibration data set and is configured to calibrate operation of the component.

Component identification coding and reading

Catalytic coatings and techniques for applying the catalytic coatings may be utilized in connection with a number of engine system components including fuel injectors components, exhaust gas recirculation (EGR) valve components, EGR cooler components, piston components, spark plugs, engine valves (intake valves and exhaust valves), engine valve seats, oxygen sensors, NOx sensors, and particulate sensors.

Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques

Systems, devices, and methods are disclosed that during cylinder deactivation, including skipfire, at low engines speeds and low engine loads maintain adequate oil pressure of valvetrain components or hardware required for CDA and/or skipfire operation.

Maintaining oil pressure during cylinder deactivation operation

Systems, methods and apparatus for controlling operation of dual fuel engines are disclosed that regulate the fuelling amounts provided by a first fuel and a second fuel during operation of the engine. The first fuel can be a liquid fuel and the second fuel can be a gaseous fuel. The fuelling amounts are controlled to improve operational outcomes of the duel fuel engine.

Systems, methods, and apparatus for operation of dual fuel engines

Systems and methods to extend a life of a component of a cylinder deactivation system are provided. A method includes initiating, by a controller, a CDA mode for an engine; determining, by the controller, a first cycle count for a first oil control solenoid of the CDA system; determining, by the controller, a second cycle count for a second oil control solenoid of the CDA system; comparing, by the controller, the first cycle count and the second cycle count; and modifying, by the controller, operation of the CDA mode for the engine based on the comparison.

Dynamic cylinder deactivation life factor to modify cylinder deactivation strategy

Systems and methods to extend a life of a component of a cylinder deactivation system are provided. A method includes generating, by a controller, an initial life factor for the component; initiating, by the controller, a CDA mode for an engine; determining, by the controller, an actual life factor for the component, the actual life factor determined by comparing a number of switching events of a cylinder in the CDA mode to a number of cycles of the cylinder in the CDA mode; comparing, by the controller, the actual life factor to the initial life factor; and modifying, by the controller based on the comparison, operation of the engine in the CDA mode to adjust the actual life factor.

A system includes an exhaust aftertreatment system including a particulate filter and a controller. The controller is configured to: receive a particulate filter regeneration event trigger; receive information, the information comprising a temperature regarding the particulate filter; determine the temperature regarding the particulate filter is below a temperature threshold associated with a particulate filter regeneration event; and responsive to determining the temperature regarding the particulate filter is below the temperature threshold, command the engine to operate in a cylinder deactivation mode, whereby at least one cylinder of a plurality of cylinders of the engine is deactivated.

Systems and methods for particulate filter regeneration with cylinder deactivation

A method for delaying cylinder reactivation in a vehicle includes identifying, by a controller, a request to exit a cylinder deactivation state. The controller determines if the request is due to a transient condition. If the request is due to the transient condition, the controller analyzes at least one of the transient condition and a condition of the vehicle. The controller determines a first adjustment to the vehicle based on analyzing at least one of the transient condition and the condition of the vehicle. The first adjustment is configured to mitigate the transient condition. The controller implements the first adjustment.

Delaying cylinder reactivation

Growing community of inventors

Columbus, IN, United States of America

J Steven Kolhouse