855 patents
Page 13 of 43
Utility
Valve train with cylinder deactivation and compression release
29 Nov 22
An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective ones of a plurality of intake valves, an exhaust system to release exhaust gas from the plurality of cylinders through respective one of a plurality of exhaust valves.
Anthony Kyle Perfetto, Anshul Shambhav, Adam C. Cecil, Ryan Edward Schultz
Filed: 19 Jul 21
Utility
Systems and methods for distributed fault management in fuel cell systems
22 Nov 22
A distributed fault management system includes at least one sensor associated with a fuel cell system and at least one first fault management computing device coupled to the at least one sensor.
John Guido Piccirillo, Rebecca Dinan Zoracki, Patrick Hammel Hart, Ralph Teichmann, Honggang Wang
Filed: 6 Jan 17
Utility
Endplate with guide feature
22 Nov 22
Various example embodiments relate to a filtration system.
Manikandan Annamalai, Mark Straussberger, Jayant Singh, Gregory D. Shope, Zdzislaw Chajec, Robert Polkus, David Hipwood
Filed: 4 Jun 21
Utility
Endplate with guide feature
22 Nov 22
Various example embodiments relate to a filtration system.
Manikandan Annamalai, Mark Straussberger, Jayant Singh, Gregory D. Shope, Zdzislaw Chajec, Robert Polkus, David Hipwood
Filed: 12 Jul 18
Utility
Diesel exhaust fluid tank heating system
22 Nov 22
Systems and apparatuses include a diesel exhaust fluid tank, a first temperature sensor positioned within the diesel exhaust fluid tank and structured to provide first temperature information indicative of a first temperature, and a second temperature sensor positioned within the diesel exhaust fluid tank and structured to provide second temperature information indicative of a second temperature.
Shawn Aaron Rockey, Lorraine H. Myers, Matthew Richard Hudson, Kyle David Richart, Corey James Fletcher, Daniel Joseph Motz
Filed: 22 Oct 21
Utility
Modular genset enclosure components
22 Nov 22
A genset module coupling assembly includes a cross-bar of a module chassis oriented orthogonal to an engine neutral axis of vibration defined by an engine mounted on an engine chassis, a first bracket coupled to the cross-bar on a first side of the engine neutral axis of vibration, and a second bracket coupled to the cross-bar on a second side of the engine neutral axis of vibration.
Peter A. Goleczka, Gordon A. Read
Filed: 22 Dec 20
Utility
Rotating coalescing element with directed liquid drainage and gas outlet
22 Nov 22
A rotating coalescer having an ejected coalesced liquid separating device is described.
Brian W. Schwandt, Christopher E. Holm, Chirag D. Parikh, Suryanarayanan Paneerselvam, Peter K. Herman
Filed: 18 May 20
Utility
Oval seal with stabilization contour
15 Nov 22
A filter element including a first endplate, a second endplate, filter media fitted between the first endplate and the second endplate, the first endplate including an opening that allows a working fluid to flow into or out of the filter media, the filter media allowing the working fluid to be filtered through the filter media and a seal member having an oval profile disposed on the first endplate and configured to seal with a filter housing, the seal member including an inner perimeter and an outer perimeter including a plurality of outwardly curved surfaces.
Scott W. Schwartz, Jessie A. Knight, Michael T. Zuroski
Filed: 5 Dec 18
Utility
Valve spring retainer incorporating lubrication oil trap
15 Nov 22
A valve spring retainer for an internal combustion engine includes a body having a lower portion and an upper portion.
Simon Anthony Burge, Alex Edward Priestley, Jordan B. Pitcher
Filed: 16 Nov 21
Utility
Systems and methods for using oxygen to diagnose in-range rationality for NOx sensors
15 Nov 22
A method includes: interpreting first oxygen data acquired by a first nitrous oxide (NOx) sensor indicative of a first amount of oxygen in an exhaust flow at a location in or proximate to an exhaust aftertreatment system, wherein the exhaust aftertreatment system is in exhaust gas receiving communication with an engine; estimating an amount of oxygen in the exhaust flow entering the exhaust aftertreatment system from the engine based on engine operation data; and, determining that the NOx sensor is faulty based on determining that a difference between the first amount of oxygen and the estimated amount of oxygen is greater than a threshold value.
Adam W. Kidd, Michael Haas
Filed: 3 May 21
Utility
Systems and methods for reliably detecting wear metal particles in lubrication systems to avoid progressive damage
15 Nov 22
Systems and apparatuses relate to a system comprising a controller comprising at least one processor coupled to a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to perform operations comprising: determining a concentration of a plurality of wear metal particles in a lubricant for an engine system; determining a confidence parameter regarding the concentration determination; determining a filtered concentration of the plurality of wear metal particles using a baseline concentration of the plurality of wear metal particles; setting a diagnostic threshold for the plurality of wear metal particles based on the confidence parameter; and, responsive to determining that the diagnostic threshold is exceeded, providing a notification.
Travis A. Anderson, Neha Chandrachud, Renae Christianson, Lorraine H. Myers, Pallav Pathak, Patrick J. Shook
Filed: 12 Feb 21
Utility
Systems and methods to minimize emissions spikes when reactivating or deactivating a combustion cylinder
15 Nov 22
Systems and methods for mitigating exhaust gas emissions via cylinder deactivation are provided.
J. Steven Kolhouse, Avra Brahma
Filed: 7 Dec 21
Utility
System and method for measuring fuel injection during pump operation
15 Nov 22
A method is disclosed of controlling operation of a fuel injector in response to measuring a quantity of fuel injected by the fuel injector from a fuel accumulator to an engine cylinder during operation of a fuel pump that delivers fuel to the accumulator, comprising: determining an average pressure of the fuel accumulator during a first time period before a fuel injection event; predicting a mass of fuel delivered to the fuel accumulator during a pumping event (Qpump); determining an average pressure of the fuel accumulator during a second time period after the fuel injection event; estimating a leakage of fuel; computing the injected fuel quantity by adding the average pressure during the first time period to Qpump, and subtracting the average pressure during the second time period and the leakage; and using the computed injected fuel quantity to control operation of the fuel injector.
Tommy J. Albing, David Michael Carey
Filed: 22 Oct 21
Utility
Techniques for transient estimation and compensation of control parameters for dedicated EGR engines
8 Nov 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, an ignition system including a plurality of spark plugs, an intake throttle, and an electronic control system.
Shashank Tamaskar, Kartavya Neema, Carlos Alcides Lana, Govindarajan Kothandaraman
Filed: 13 Jan 20
Utility
System and method for improving a battery management and accumulator system
8 Nov 22
Various systems, methods, and apparatuses disclosed herein provide for receiving pressure data for an accumulator system, the pressure data providing an indication of a pressure in an accumulator tank of the accumulator system; receiving energy data, the energy data indicating an availability of free energy for use to charge the accumulator tank; and activating a charging source of the accumulator tank to charge the accumulator tank based on at least one of the pressure data and the energy data.
Martin T. Books, Craig M. Calmer, Robert Dziuba, Mahesh Madurai-Kumar, Praveen Chitradurga Muralidhar, John P. O'Brien, Joseph E. Paquette, Gary L. Parker, Anthony K. Perfetto, Jeffrey S. Rauch, Zachary Schwab, Jon S. Wardlow
Filed: 1 Aug 19
Utility
Active control valve for a fluid pump
1 Nov 22
A fluid pump comprising a fluid inlet configured to receive a fluid, a plunger configured to reciprocate within a cylinder from a top dead center position to a bottom dead center position and back to the top dead center position during a given pumping cycle, a pumping chamber defined by the cylinder and the plunger, the pumping chamber being configured to receive the fluid from the fluid inlet, a control valve configured to open to allow fluid to be provided to the pumping chamber, and close after the plunger has passed the bottom dead center position, and a fluid outlet configured to receive a delivery amount of the fluid from the pumping chamber, wherein a first amount of fluid is configured to be provided to the pumping chamber, the first amount of fluid being greater than the delivery amount of fluid.
Donald J. Benson, Bela Doszpoly, Paul Peavler
Filed: 14 Oct 20
Utility
Seal assembly
1 Nov 22
A seal assembly for use in a turbomachine, the seal assembly comprising an oil seal plate; a rotatable component which defines a central axis and is received in a central aperture of the oil seal plate; and an annular seal which comprises a base and a sealing portion, the base being held by the rotatable component; wherein the sealing portion is configured to form a seal with the oil seal plate when the rotatable component and annular seal are rotating below a predetermined rotational speed; and wherein the sealing portion is configured to move radially outwards with respect to the central axis such that the sealing portion loses contact with the oil seal plate when the rotatable component and annular seal are rotating above the predetermined rotational speed.
Matthew J. Purdey
Filed: 11 Dec 19
Utility
Systems and methods for utilizing cylinder deactivation when a vehicle is in a reverse operating mode
1 Nov 22
A controller for a vehicle includes at least one processor and at least one memory storing instructions that, when executed by the processor, cause the controller to perform various operations.
Aaron William Beinborn, J. Steven Kolhouse
Filed: 30 Jul 21
Utility
Body mixing decomposition reactor
1 Nov 22
A mixing assembly for an exhaust system can include an outer body, a front plate, a back plate, a middle member, and an inner member.
Matthew K. Volmerding, Ryan M. Johnson, Jim L. Alonzo, Samuel Johnson, Apoorv Kalyankar, Pranjal Naik, Kartiki Jagtap, Mahendra Mittapalli
Filed: 3 Jul 18
Utility
Adaptive high pressure fuel pump system and method for predicting pumped mass
1 Nov 22
A method of adaptively predicting, during operation of a pump, a mass of fuel pumped by the pump during a pumping event to a fuel accumulator (“Qpump”) to control operation of the pump is provided, comprising: generating an adaptive model of operation of the pump, including estimating a start of pumping (“SOP”) position of a plunger of the pump, estimating Qpump, determining a converged value of the estimated SOP position, and determining a converged value of the estimated Qpump; using the adaptive model to predict Qpump by inputting to the model the converged value of the estimated SOP position, a measured pressure of fuel in the fuel accumulator and a measured temperature of fuel in the fuel accumulator; and controlling operation of the pump in response to the predicted Qpump.
Tommy J. Albing, David Michael Carey
Filed: 3 Sep 21