855 patents
Page 30 of 43
Utility
System for adaptive regeneration of aftertreatment system components
27 Apr 21
Systems, methods, and apparatuses for adaptive regeneration of aftertreatment system components.
Yinghuan Lei, Todd A. Corbet, Robert Edward Cochran, Sergio M. Hernandez-Gonzalez, Uma Vajapeyazula, Weichao Wang, Marc A Greca, Joseph M. Brault
Filed: 14 Aug 17
Utility
Fuel cell system and control method thereof
27 Apr 21
A fuel cell system and a control method thereof are disclosed.
Honggang Wang, Andrew Philip Shapiro
Filed: 10 Jul 18
Utility
High speed rotating crankcase ventilation filter media and media pack
13 Apr 21
Filter media and media packs that provide robust performance in high-speed rotating coalescer (HSRC) elements for crankcase ventilation systems are described.
Brian W. Schwandt, Saru Dawar, Christopher E. Holm, Jerald J. Moy, Barry M. Verdegan
Filed: 19 Aug 16
Utility
Systems and methods for heating reductant
13 Apr 21
An aftertreatment system includes a reductant source, a junction, a dosing pump module, a valve assembly, and a dosing module.
Vinay Kumar Joshi, Aaditya Barve, Anjesh Hemant Sahasrabudhe, Timothy M. Doyle, Stephen M. Holl
Filed: 2 Nov 18
Utility
Pressure and flow control for fixed displacement pump in reductant dosing system
13 Apr 21
A reductant dosing system includes: a doser; a fixed displacement pump in fluid communication with the doser; a reductant source in fluid communication with the fixed displacement pump; and a controller communicatively coupled to the fixed displacement pump to control operation of the fixed displacement pump, wherein the controller is programmed to operate the fixed displacement pump using a pressure control system responsive to data indicative of the doser not dosing reductant and the controller is programmed to operate the fixed displacement pump using a flow control system responsive to data indicative of the doser dosing reductant.
Nassim Khaled, Masoud Ziabakhsh Deilami
Filed: 5 Apr 18
Utility
Spark plug for an internal combustion engine having a combustion pre-chamber
13 Apr 21
A spark plug is disclosed that includes at least one bore extending through a shell of the spark plug in order to form a passageway between an annular volume around the spark plug insulator nose and a pre-chamber volume of a pre-chamber device, thus directing a purge of exhaust gases trapped in the annular volume to a space formed by the exterior of the spark plug body and the interior of the pre-chamber device.
Alan C. Anderson, William Marshall Cover, Xu Han, Benjamin L. Olivas, Daniel J. O'Connor, Daniel Guillermo Gonzalez Medina, Xiao Qin, Nicholas James Welch, Andrew Guy Kitchen
Filed: 7 Jun 19
Utility
Cylinder deactivation and variable geometry turbocharger control
13 Apr 21
Systems, apparatus, and methods are disclosed that include an internal combustion engine having a plurality of cylinders operable to be deactivated while controlling a variable geometry turbocharger in response to the reduced number of active cylinders.
Aaron William Beinborn, Adrian P. Dale, Lyle E. Kocher, J. Steven Kolhouse
Filed: 9 Sep 19
Utility
Method of fault isolation for systems with existing diagnostics
13 Apr 21
A method (50) for isolating a fault within an engine system (10) including an engine control module (40) and a diagnostics module (36) includes determining, by the engine control module (40), a plurality of parameters of the engine system (10), calculating a likelihood of the fault using a log-likelihood ratio analysis of data within the engine control module (40), and providing a plurality of fault determinations and the likelihood of each of the plurality of fault determinations using plurality of parameters and the diagnostics module (36) of the engine system (10).
Daniel J. Smith
Filed: 25 May 18
Utility
Filter with electrical signature anti-counterfeiting feature
6 Apr 21
An anti-counterfeiting mechanism for a filter element to specifically, and preferably uniquely, identify a filter with a conductive pattern or path of conductive materials preferably either embedded (thin film circuit) under the surface, or over molded on, a portion of the filter.
Mark V. Holzmann, J. Bruce Schelkopf
Filed: 25 Jun 19
Utility
Fuel pump pressure control structure and methodology
6 Apr 21
A method and system is provided of controlling a pump having a pumping element configured to provide pressurized fuel to a common rail accumulator coupled to a plurality of fuel injectors configured to inject fuel into a corresponding plurality of cylinders of an engine, comprising: receiving rail pressure values indicating a current fuel pressure in the accumulator; and responding to the received at least one rail pressure value by controlling operation of the pumping element during each potential pumping event of the pumping element to generate actual pumping events during at least some of the potential pumping events to cause the rail pressure values to remain within a desired range and to at least one of increase an overall efficiency of the pump, decrease audible noise generated by the pump, increase reliability of the pump and reduce injection pressure variations at the plurality of fuel injectors.
Donald J. Benson, Paul Peavler
Filed: 24 Oct 17
Utility
Waste heat recovery systems with heat exchangers
6 Apr 21
A waste heat recovery system (100) is provided.
Jared C. Delahanty, Timothy C. Ernst, J. Steven Kolhouse, Brett A. Boas
Filed: 9 May 18
Utility
Systems and methods for idle fuel economy mode
6 Apr 21
An apparatus includes a stored reductant determination circuit structured to determine an amount of stored reductant in a component of an exhaust aftertreatment system, and a fuel mode economy circuit structured to control an amount of reductant added to the exhaust aftertreatment system during an engine idle mode of operation based on the amount of stored reductant.
Minming Zhao, Josh Si Shao, Sriram Madhavan, Matthew John Zanker
Filed: 26 Aug 19
Utility
Sensor fusion and information sharing using inter-vehicle communication
6 Apr 21
Methods, systems and apparatuses for inter-vehicle communication, fusion of sensor information, and information sharing resulting from inter-vehicle communication are disclosed along with control of one or more vehicles in response to information from one or more other vehicles.
Pinak Jayant Tulpule, Govindarajan Kothandaraman, Edmund P. Hodzen, Kenneth M. Follen, Archit N. Koti
Filed: 31 Oct 18
Utility
Jointed stall bar attachment
30 Mar 21
A torque transfer device is provided to transfer torque from a torque tool to a torque limiter device, the torque transfer device comprising a torque limiter connection member adapted for connection to the torque limiter device; a first joint; a second joint; and a tool connection member adapted for connection to the torque tool, wherein the first joint and the second joint are configured to lock responsive to activation of the torque tool to transfer a reaction torque generated by the torque tool to the torque limiter device, and wherein the first joint and the second joint are configured to unlock responsive to deactivation of the torque tool to enable rotation between the torque tool and the torque limiter device along a first axis and a second axis different from the first axis.
Kendrick H. Knight
Filed: 14 Sep 15
Utility
Driveline disengagement and coasting management
30 Mar 21
A system, method, and apparatus include a controller structured to predict a change in speed of a vehicle in advance of upcoming terrain and inhibit a coasting event if the speed exceeds a limit.
Oruganti Prashanth Sharma, Kenneth M. Follen, Tejas Shrikant Kinjawadekar, Vivek Anand Sujan, Daniel Reed Dempsey, Apurva Chunodkar, Nathanael G. Long, Jairo Andres Sandoval Leon
Filed: 11 Jun 20
Utility
Methods and systems for removing deposits in an aftertreatment system
30 Mar 21
Systems and methods for removing deposit in an aftertreatment system for an engine are disclosed herein.
John L. Hoehne, Paul Daniel Borisuk, Boopathi Singalandapuram Mahadevan, Joshua A. Lantz, Jeffrey W. Lewis, Snita Navnith Menon
Filed: 27 Jul 17
Utility
Compressor bypass flow arrangement
30 Mar 21
Methods and devices are disclosed for introducing a compressor bypass flow that is returned from location that is downstream of a pressure source of an internal combustion engine to an air filter housing that is located upstream of the pressure source.
David Guillermo Gonzalez Medina, Alan C. Anderson, Matthew Keith Sease, David P. Richter, Rahul Bhardwaj
Filed: 12 Aug 19
Utility
Engine response to load shedding by means of a skip-spark/fuel strategy
30 Mar 21
Systems, apparatus and methods include control techniques for controlling operation of pre-mixed internal combustion engines in response to a load shedding event.
Hasan Mohammed, Matthew W. Isaacs
Filed: 16 Apr 19
Utility
Systems and methods for measurement of piston-to-piston clearances in multi-cylinder opposed piston engines
30 Mar 21
An optical measurement device is disclosed and includes a body configured to be mounted to at least one piston cylinder, and a compression ratio determination unit operatively connected to the body to receive optical measurement data and compute a clearance between at least two opposed pistons disposed within the at least one piston cylinder.
Jeffrey A. Wheitner, J. Steven Kolhouse
Filed: 3 Dec 18
Utility
Gradient nanofiber filter media
23 Mar 21
Disclosed is a composite filter media.
William C. Haberkamp, Eric A. Janikowski, Barry Mark Verdegan, Christopher E. Holm, Huanling Liu, Kyle Ellison, Mark T. Wieczorek
Filed: 16 Dec 19