855 patents
Page 5 of 43
Utility
Bearing housing and method of manufacture
5 Sep 23
There is disclosed a bearing housing for a turbocharger.
Krishna Dheerendra Deshpande, Vijay Sukhadev Chavan
Filed: 21 Jul 20
Utility
System and method for a captive sprocket in an engine
5 Sep 23
The present disclosure provides a captive sprocket system for an engine, comprising: a sprocket including a first sprocket gear, a second sprocket gear and a retaining disc having a diameter and a thickness; a cylinder block having a bore with a central opening and a plurality of threaded bosses, the plurality of threaded bosses together forming an axial support surface and a radial location surface, the axial support surface and the radial location surface being sized to receive the retaining disc of the sprocket to support and locate the sprocket; and a plurality of captivation screws configured to be received by the plurality of threaded bosses, each captivation screw having a head with a lower surface which, when the captivation screw is received by a threaded boss, overlies the retaining disc and retains the sprocket in the bore.
James A. Dods, Michael J. Cooper, Paul A. Leggott, Graham Dowson
Filed: 23 May 19
Utility
Vehicle loss calculation for improved fuel economy
22 Aug 23
A method of operating a vehicle, comprising: receiving ambient air information; receiving size, distance and relative velocity information about a vehicle in proximity to the vehicle; receiving road surface properties information; receiving wind velocity and direction information; computing an air density ratio factor using the ambient air information; computing an aerodynamic drag ratio factor using the size, distance and relative velocity information; computing a rolling resistance ratio factor using the information road surface properties information; computing effective velocity of the vehicle using the wind velocity and direction information; combining at least one of the air density ratio factor, the aerodynamic drag ratio factor and the rolling resistance ratio factor with vehicle loss coefficients to determining new vehicle loss coefficients; computing an energy loss or power loss of the vehicle using the new vehicle loss coefficients and the effective velocity of the vehicle; and controlling the vehicle to improve fuel economy.
Pinak Jayant Tulpule
Filed: 14 Sep 18
Utility
Systems and methods for determining an efficiency value associated with a catalyst member
22 Aug 23
A system comprising an aftertreatment system comprising: a catalyst member, and a first exhaust conduit upstream of the catalyst member; a first temperature sensor operatively coupled to the catalyst member; a flow sensor coupled to the first exhaust conduit; and a controller.
Cami Brigette Ethington, Premjee Sasidharan, Huiling Li, Varun Sood
Filed: 29 Jul 22
Utility
System, method, and apparatus for secure telematics communication
15 Aug 23
A method includes receiving registration information regarding a telematics unit and a respective control system for a plurality of equipment pieces; receiving a seed from a control system of a first equipment piece via a telematics unit of the first equipment piece based on receiving a telematics session request by the control system of the first equipment piece; authenticating the telematics unit and the control system of the first equipment piece based on information included with the seed and the registration information; generating a first encrypted key and a second encrypted key based on the authentication; providing the first key to the telematics unit for the first equipment piece; and providing the second encrypted key to the control system of the first equipment piece via the telematics unit of the first equipment piece to establish a data communication channel.
Gorance V. Eftimovski, Troy D. Hamilton, Tomas Lopez Lauterio, Michael F. Mattern, Thomas J. Milvert, Srikanth Namuduri, Prasanna Srinivasan, Ankit R. Tarkas, Sagar R. Uplenchwar, Jaydeep J. Das, Sharika K. Kumar, Scott David Richter
Filed: 9 Nov 20
Utility
Undulated interlocking housing-endplate interface geometry
15 Aug 23
A filtration system having an undulated interlocking housing-endplate interface geometry is described.
Philip M. Ouweleen, Zemin Jiang, Ted S. Loftis, Karthik Kothakota, Mano Raj Sekar, Mark J. Johnson, Aaron M. Wells, Robert A. Bannister, Joshua Crooks, Brian M. Palmer, Sean M. Grabein, Connor D. Oren
Filed: 20 Feb 18
Utility
Using skip fire with power take-off
15 Aug 23
Engine controllers and control schemes that facilitate skip fire engine operation in conjunction with use power take-off devices are described.
J. Steven Kolhouse, Lisa A. Orth-Farrell, Steven E. Carlson, Aaron W. Beinborn
Filed: 10 Jul 20
Utility
Systems and methods of adjusting operating parameters of a vehicle based on vehicle duty cycles
15 Aug 23
A method includes: receiving, by a controller of a vehicle, operation data indicative of a duty cycle for the vehicle, wherein the duty cycle is a substantially repeatable set of vehicle or vehicle component operations for a particular event or for a predefined time period; identifying, by the controller, a desired vehicle duty cycle from a population of vehicle duty cycles based on the operation data indicative of the duty cycle for the vehicle and on a desired operating parameter of the vehicle; receiving, by the controller, a set of trim parameters that are electronic operational parameters associated with the desired vehicle duty cycle; and controlling, by the controller, one or more operating points of the vehicle based on the set of trim parameters.
Chia-Siung Yu
Filed: 10 May 21
Utility
Systems and methods for sampling exhaust gas
15 Aug 23
A sampling assembly for an exhaust gas aftertreatment system includes a body layer, an outer bowl, a first sampler, and an inner bowl.
John Ringstad, Peter Christianson
Filed: 21 May 19
Utility
Diagnostic methods for a high efficiency exhaust aftertreatment system
15 Aug 23
A method includes acquiring nitrogen oxide (NOx) data indicative of a first amount of NOx in an exhaust flow exiting an engine and a second amount of NOx in the exhaust flow exiting an exhaust aftertreatment system coupled to the engine where the exhaust aftertreatment system including a selective catalytic reduction (SCR) system including a SCR catalyst; determining a NOx conversion efficiency fault is present within the exhaust aftertreatment system based on the first amount of NOx and the second amount of NOx; monitoring an actual amount of NOx in the exhaust flow downstream of the SCR catalyst; determining an expected amount of NOx downstream of the SCR catalyst; and determining the SCR catalyst is responsible for the NOx conversion efficiency fault in response to the actual amount of NOx differing from the expected amount of NOx by more than a threshold amount.
Aniket Gupta, Michael J. Cunningham, Michael Haas, Govindarajan Kothandaraman
Filed: 10 Aug 20
Utility
Method for controlling pressure with a direct metered pump based on engine subcycle mass balance
15 Aug 23
The present disclosure relates to a method for controlling pressure of an engine, including a controller structured to implement the method and an engine system including the controller.
Paul Peavler, Donald J. Benson, David Michael Carey, Timothy J. Viola
Filed: 2 Aug 19
Utility
Method and system for performing regenerative braking with feedback from brake-traction control system
15 Aug 23
Methods and systems for operating a vehicle on a reduced traction surface are disclosed.
Jaime Antonio Lugo-Castillo, Martin T. Books, Richard A. Booth
Filed: 30 Oct 20
Utility
Cylinder head bolt boss cutouts
15 Aug 23
A cylinder head [20, 120] mountable onto a cylinder block [16] of an engine [10] is disclosed.
Dennis King Chan, William Ryan Dougherty, Jeffrey D. Jones, Andrew P. Perr, Andrew Guy Kitchen, Philipe F. Saad, Akintomide K. Akinola, Rick Vaughan Lewis, Jr.
Filed: 28 Jul 22
Utility
Systems and methods for battery thermal management
15 Aug 23
Systems and methods for managing the temperature of an energy storage system are provided.
Pushkar Vaidya
Filed: 10 Aug 20
Utility
Methods and systems for coordinating predictive cruise control, engine-off coasting, and hybrid power split
8 Aug 23
The enclosed disclosure relates to hybrid vehicles and systems with an engine, a drivetrain with a clutch and a transmission, an electric machine, and a controller.
Rohinish Gupta, Jonathan A. Dickson, Kenneth M. Follen, Apurva Arvind Chunodkar, Arun Prakash Thunga Gopal, Manik Narula
Filed: 21 Oct 20
Utility
Reduced parasitic lube system
8 Aug 23
The present disclosure provides a lubrication system comprising: a pump having an inlet in fluid communication with a lubricant source and an outlet; a cooler having an inlet in fluid communication with the outlet of the pump and an outlet; a lubrication filter having an inlet in fluid communication with the outlet of the cooler and an outlet; a first delivery path in fluid communication with the outlet of the lubrication filter, the first delivery path being configured to deliver cooled, filtered lubricant to a bearing system of an engine; and a second delivery path in fluid communication with the outlet of the pump, the second delivery path being configured to deliver uncooled, unfiltered lubricant to piston cooling nozzles of the engine.
Nathaniel P. Hassall, John Jerl Purcell, III, Stephen D. Cofer, Jr., David M. Barnes, Aaron S. Quinton, Reid M. Irish
Filed: 31 Oct 17
Utility
Fluid transfer connection interface design
8 Aug 23
A diesel exhaust fluid transfer circuit providing a fluid transfer connector for securely connecting a port fitting of a diesel exhaust fluid device to a diesel exhaust fluid hose.
Shawn A. Rockey
Filed: 1 Dec 20
Utility
Systems and methods for diagnosis of NOx storage catalyst
8 Aug 23
A system includes a controller configured to perform an enable operation responsive to receiving information indicative of an enable parameter, the enable operation includes: determining a predicted downstream NOx value of an exhaust gas stream exiting a NOx storage catalyst; determining a downstream NOx value of the exhaust gas stream exiting the NOx storage catalyst; determining an error between the predicted downstream NOx value and the determined downstream NOx value; comparing the error to an error threshold; and determining that the NOx storage catalyst is in good health responsive to determining that the error does not exceed the error threshold.
Michael Haas, Krishna Kamasamudrum, Ashok Kumar
Filed: 25 Jul 22
Utility
Pump plunger assembly for improved pump efficiency
8 Aug 23
A plunger is provided for reciprocating inside the barrel of a fuel pump.
Donald J. Benson, Bela Doszpoly, Eric A. Benham, Ahmad M. Sabri, Richard E. Duncan
Filed: 22 Nov 19
Utility
Component for a power generation system
8 Aug 23
A component for connection between a generator and a prime mover in a power generation system is disclosed.
Robert Rolston, Mark Riley
Filed: 18 Dec 20