855 patents
Page 27 of 43
Utility
System and method for reducing engine knock
20 Jul 21
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.
Marten H. Dane, J. Steven Kolhouse, Thomas M. Yonushonis, J. Stephen Wills, Samuel C. Geckler
Filed: 16 Jul 18
Utility
Systems and methods for cylinder deactivation operation in response to route conditions
20 Jul 21
Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one primary exhaust gas recirculation (EGR) cylinder and a plurality of non-primary EGR cylinders.
Jennifer Kay Light-Holets, Govindarajan Kothandaraman, J. Steven Kolhouse, Vivek Anand Sujan
Filed: 18 Mar 20
Utility
Valve-sensor assembly
13 Jul 21
A valve-sensor assembly for a filter assembly that filters water from a fluid.
Charles W. Hawkins
Filed: 9 Nov 17
Utility
Reductant injection in exhaust manifold
13 Jul 21
An aftertreatment system comprises a first passageway having a first temperature and a second passageway having a second temperature different than the first temperature.
John K. Heichelbech, John G. Buechler, Richard J. Ancimer, Thomas M. Yonushonis
Filed: 2 Jul 19
Utility
Fuel injector cleaning system, fluid, and method
13 Jul 21
A fuel injector cleaning system includes an injector cleaning housing that defines a cavity structured to receive a fuel injector.
Yogesh Gajanan Datar, Aswin Kumar Muthukumar, Michael Andrew Lucas
Filed: 11 Feb 20
Utility
Engine intake air system including CAC bypass and separate bypass heater, and high-efficiency spark-ignited direct injection liquid propane engine architectures including same
13 Jul 21
An intake air circuit is structured to transmit intake air from a turbocharger compressor to an intake manifold of an engine.
J. Steven Kolhouse, Daniel J. Mohr, Adrian P. Dale, Samuel C. Geckler, Leon A. LaPointe, David J. Stroh, Anthony Kyle Perfetto, Robin J. Bremmer, Ryan Edward Schultz
Filed: 21 Mar 18
Utility
Diagnosing cylinder pressure sensor gain and offset
13 Jul 21
An apparatus includes a sensor module, an offset diagnostic module, and a notification module.
Alok A. Joshi, Richard A. Booth, Edmond P. Hodzen
Filed: 15 Nov 19
Utility
Hierarchical engine control systems and methods
6 Jul 21
A system for control of an internal combustion system having subsystems, each with different response times.
Phanindra V. Garimella, Paul V. Moonjelly, Edmund P. Hodzen, Ming-feng Hsieh, Gayatri Adi, Gokul Vishwanathan
Filed: 14 Oct 15
Utility
Separately determining firing density and pumping density during firing density transitions for a lean-burn internal combustion engine
6 Jul 21
A skip fire engine controller and method of control is described wherein during transitions from a first firing density to a second firing density, a firing density and a pumping density are separately set so as to balance the conflicting demands of (a) torque control, (b) Noise, Vibration and Harshness (NVH), (c) air flow through the engine and (d) air-fuel ratio.
Shikui Kevin Chen, Matthew A. Younkins, Louis J. Serrano
Filed: 20 Sep 19
Utility
Dynamic torque management techniques for enhanced engine cycle efficiency
29 Jun 21
One embodiment is a method of operating an electronic control system (ECS) to control an engine to propel a vehicle.
Apurva Arvind Chunodkar, Kenneth M. Follen, Mugdha S. Sane, Srinivas Chakravarthy Bathula, Arun Prakash Thunga Gopal, Vivek A. Sujan
Filed: 24 Oct 17
Utility
Fuel type prediction from mass flow measurements and thermal conductivity sensor
29 Jun 21
The present disclosure provides a method for predicting a fluid type, comprising sensing, by a first sensor, mass flow data of a fluid in an engine, wherein the first sensor operates based on a first fluid property; sensing, by a second sensor, mass flow data of the fluid, wherein the second sensor operates based on a second fluid property; and detecting, by a logic circuit of a controller, a percent difference in the mass flow data provided by the first and second sensors, the percent difference indicating that the fluid is comprised of at least a first fluid type.
Marten H. Dane, Shu Li
Filed: 1 Jun 20
Utility
Assembly and methods for NOx reducing reagent dosing with variable spray angle nozzle
29 Jun 21
In an assembly and methods for NOx reductant dosing with variable spray angle nozzle, according to various embodiments, a reductant dosage is calculated.
Rajendra Ashok Kankarej, Vinay Kumar Joshi
Filed: 3 Jul 19
Utility
Systems and method for harmonizing knock in engine cylinders
29 Jun 21
A system for harmonizing knock in a plurality of cylinders included in an engine, the system comprises a plurality of knock sensors, and a controller coupled to each of the plurality of knock sensors.
Ming-Feng Hsieh, Omkar Harshe
Filed: 11 Jan 19
Utility
Systems and methods for controlling piston cooling nozzles using control valve actuator
29 Jun 21
A control system (10) used for an engine (14) having at least one cylinder (18) is provided for a piston cooling nozzle (PCN (12)).
Brett A. Heald
Filed: 27 Nov 17
Utility
Profiled main bearing caps
22 Jun 21
A main bearing cap having a bearing cap body defining a vertical centerline, the bearing cap body having a top surface opposite a bottom surface, a pair of upper protruding parts and a pair of lower protruding parts that extend in a horizontal direction that is orthogonal to a longitudinal axis of a crankshaft, and a pair of posts that extend between the upper and the lower protruding parts.
Julie Anne Colin, Nathan E. Coulombe, David E. Koeberlein
Filed: 8 Jan 20
Utility
Folded filter media pack with varying channels and deep corrugations
22 Jun 21
Filter media packs that utilizes a zig-zag folding pattern on deeply corrugated filter media are described.
Scott W. Schwartz
Filed: 14 Feb 17
Utility
Systems and methods for purging reductant from a reductant injector
22 Jun 21
A reductant insertion system for inserting reductant into an aftertreatment system via a reductant injector comprises a reductant insertion assembly comprising a pump operatively coupled to the reductant injector via a reductant delivery line.
Neha Verma, Nicholas Blodgett, Colin L. Norris, Taren DeHart
Filed: 5 Jul 18
Utility
Systems and methods for engine and transmission control in response to look ahead data
15 Jun 21
A control system, apparatus, and method integrates management of vehicle torque limits and gear shifting of a vehicle by determining future engine power requirements from the forward-looking route conditions to improve performance and drivability of the vehicle over what is achievable through default and/or currently selected torque limits and gear state shifting strategies.
Nirav Shah, Daniel Reed Dempsey
Filed: 8 Oct 19
Utility
Soot load estimation using dual differential pressure sensors
15 Jun 21
An exhaust filtration system comprises a first pressure sensor and a second pressure sensor, each configured to measure pressure in the exhaust filtration system under low-flow conditions.
Sriram Srinivasan
Filed: 5 Mar 18
Utility
Compression release valvetrain design
15 Jun 21
Systems, apparatuses and methods are disclosed that include an internal combustion engine including a plurality of cylinders operable by a valve actuation mechanism including a lifting mechanism having a compression brake valve profile configured to selectively lift the exhaust valves on a downstroke of the cylinders in response to a cranking condition of the internal combustion engine, wherein the compression braking valve profile is phased to the upstroke of the pistons.
Samuel C. Geckler, Vivek Anand Sujan, Adam C. Cecil, Anthony Kyle Perfetto
Filed: 29 May 19