855 patents
Page 11 of 43
Utility
Systems and method for optimizing engine operations in gensets
24 Jan 23
A system includes a generator and an engine coupled to the generator.
Erik L. Piper, Martin T. Books, Richard A. Booth
Filed: 15 Apr 22
Utility
DC-DC-converter-based active voltage-balancing system and method for parallel battery packs
17 Jan 23
The present disclosure provides a circuit for balancing voltages of battery packs to be connected in parallel, comprising: IN-side switches and OUT-side switches; a DC-DC converter with an IN terminal connected to the IN-side switches and an OUT terminal connected to the OUT-side switches; and a controller to operate an IN-side switch to connect a Vmax battery pack to the IN terminal, operate an OUT-side switch to connect a Vmin battery pack to the OUT terminal, and activate the DC-DC converter to transfer energy from the Vmin battery pack to the Vmin battery pack.
Lawrence Hilligoss, Nitisha Manchanda, Minyu Cai
Filed: 16 Jul 20
Utility
Power system sequencing scheme for any arbitrary topology
17 Jan 23
Systems and apparatuses include a circuit structured to: identify a first source object, a second source object, and a load bus object; determine locations of the first source object, the second source object, and the load bus object on a one-line topology; receive operational parameters of the first source object, the second source object, and the load bus object; define, using the one-line topology, a first route including objects electrically connected between the first source object and the load bus object; define, using the one-line topology, a second route including all objects electrically connected between the second source object and the load bus object; and control operation of the first route and the second route.
Kevin J. Aufderhar, Paul R. Dahlen, Dennis G. McDonald
Filed: 22 Jan 21
Utility
Exhaust species tracking and notification system
17 Jan 23
Systems and apparatuses include a circuit structured to receive information indicative of a catalyst health, determine a catalyst health management criteria has been met based on the information, determine a catalyst loading based on the information and the catalyst health management criteria being met, and compare the determined catalyst loading to a predetermined loading limit.
Robert C. Borregard, Hasan Mohammad, Atin Tandon, Daniel J. Robinson, Matthew W. Isaacs, Benjamin Goldberger, Arturo Mendoza-Pinon, Douglas Carnecki, Frank Ruggiero, David L. Hirt
Filed: 25 Feb 21
Utility
Piston bowls
17 Jan 23
The present disclosure provides piston, comprising: a skirt having an upper body portion; a crown formed at the upper body portion; and a piston bowl formed at the crown.
Florin Mocanu, Eric M. Osecky, Robert G. Sperry, John M. Deur
Filed: 6 May 21
Utility
Noise, vibration and harshness reduction in a skip fire engine control system
17 Jan 23
A variety of methods and arrangements for reducing noise, vibration and harshness (NVH) in a skip fire engine control system are described.
Mark A. Wilcutts, Xi Luo, Anastasios Arvanitis
Filed: 20 Oct 20
Utility
Curved lobed seal lock air filter system
10 Jan 23
Various embodiments provide for a filter assembly.
Mark V. Holzmann, Ken Tofsland, Scott Gerald Manke, Wesley J Martin, Benjamin L. Scheckel, Joseph Appelhans, Guiliang Zheng
Filed: 8 May 20
Utility
Systems and methods for plug-in electric vehicle accessory recharging during battery charge
10 Jan 23
An apparatus structured to control an electric vehicle accessory of an electric vehicle during a charge event includes a controller communicatively coupled to a battery and an electric vehicle accessory.
Martin T. Books, Richard A. Booth, Erik L. Piper, Patrick Sill
Filed: 7 Jul 20
Utility
Torque deration in response traction control events
10 Jan 23
A method, apparatus, and system are disclosed for incrementally derating a torque applied by a drivetrain in response a number of traction control events detected by a traction control system over a predetermined time period.
Martin T. Books
Filed: 11 Mar 20
Utility
System, apparatus, and method for protection and cleaning of exhaust gas sensors
10 Jan 23
A system, apparatus, and method are provided for preventing the accumulation of particulate matter such as combustion soot on sensors positioned in exhaust gas conduits of internal combustion engines.
Ganesh Raghunath, Shu Li
Filed: 18 Nov 20
Utility
Systems and methods for controlling EGR flow during transient conditions
10 Jan 23
Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one primary EGR cylinder and a plurality of non-primary EGR cylinders.
Carlos Alcides Lana, David J. Stroh, Samuel C. Geckler, Marten H. Dane, Anthony Kyle Perfetto, Karthik Kappaganthu, Govindarajan Kothandaraman
Filed: 10 May 21
Utility
Skip cylinder compression braking
10 Jan 23
An internal combustion engine operates so that it delivers zero or negative torque.
Steven E. Carlson, Louis J. Serrano, Mark A. Wilcutts, Vijay Srinivasan
Filed: 3 Apr 20
Utility
Rotary valve
10 Jan 23
Donald E. Willey, Matthew Brookes
Filed: 11 Nov 19
Utility
Systems and methods for mixing exhaust gases and reductant in an aftertreatment system
3 Jan 23
A multi-stage mixer includes a multi-stage mixer inlet, a multi-stage mixer outlet, a first flow device, and a second flow device.
Z. Gerald Liu, Apoorv Kalyankar, Achuth Munnannur, Niklas M. Schmidt, Roy W. Detra, Mihai Chiruta
Filed: 12 Aug 21
Utility
Effect of the nozzle width to harness on engine pulse energy
3 Jan 23
A turbine comprises a turbine wheel for rotation within a turbine housing, the turbine housing including at least one volute arranged to deliver a fluid to the turbine wheel via the turbine nozzle.
Stephen David Hughes
Filed: 22 Nov 18
Utility
Method and system for correcting errors in fueling commands
3 Jan 23
A method and system is provided for correcting fueling commands.
Yilun Liu, Carlos A. Lana
Filed: 7 Aug 20
Utility
Polygonal substrate housings and assemblies
27 Dec 22
A polygonal substrate assembly includes a polygonal substrate housing, a substrate, and a compressible mat.
George E. Mavroudis, Taren Dehart, Daniel W. Woods, Ryan M. Johnson, Colin L. Norris, Randolph G. Zoran
Filed: 20 Jul 17
Utility
Systems and methods of engine stop/start control of an electrified powertrain
27 Dec 22
Systems, apparatuses, and methods disclosed provide for receiving internal information, external static information, and external dynamic information of a hybrid vehicle, and selectively enable or disable a stop/start function for the engine of the hybrid vehicle based on the internal hybrid vehicle information, external static information, and external dynamic information.
Kenneth M. Follen, Arun Prakash Thunga Gopal, Vivek A. Sujan, Pinak Jayant Tulpule, Mugdha S. Sane
Filed: 18 Sep 19
Utility
Rotary turbine bypass valve
27 Dec 22
A rotary turbine bypass valve comprises a valve chamber positioned at a junction of an inlet port, an outlet port and a bypass port, the inlet port configured for fluid communication with a flow of exhaust gas from an engine, the outlet port configured for fluid communication with an inlet of a turbine, and the bypass port configured for fluid communication with an exhaust aftertreatment device; and a valve rotor supported for rotation, about a valve axis, within the valve chamber.
Robin Daniels, Gareth Williamson, Ross Deacon, Laith Al-Kazaz, Thomas Morton, Christopher Parry, Richard Goodyear, Mark R. Holden, Jon-Luke Keating, Waqas Ali, John Bywater, Thomas Roberts
Filed: 22 Aug 18
Utility
Block ribs for reducing liner distortion
27 Dec 22
An engine block includes one or more cylinder bores at least partially surrounded by a cylinder bore wall.
Xiling Zhou, Vijaysai Karuppiah Kumareshan, John Jerl Purcell, III, Mathew A. Clark
Filed: 18 Jun 21