855 patents
Page 14 of 43
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
Open load diagnostics for loads that are PWM controlled
1 Nov 22
Methods and apparatuses for detecting an open load condition for a load.
Subramanya Bhat, Santosh Shankar Koli, Shashi Kanth Belde, Abu Musa
Filed: 3 Aug 17
Utility
Automotive sensor with service component authenticity detection
25 Oct 22
Systems and methods for determining, using service component authenticity detection contained in a sensor module, whether an authorized or genuine service component element is installed in an automotive system are described.
Erica C. Clark-Heinrich, Thomas J. Braun, Daniel Potratz, Bharadwaj R. Prabhala, Abhijeet Vaidya, Sonal Laxman Chirme
Filed: 6 Nov 18
Utility
Systems and methods for dynamic control of filtration efficiency and fuel economy
25 Oct 22
An aftertreatment system comprises a SCR system, a first filter, and a second filter disposed downstream of the first filter and a bypass conduit providing a flow path bypassing the second filter.
Yujun Wang, John K. Heichelbech, Changsheng C. Su
Filed: 28 Sep 18
Utility
System and method for determining and adjusting fuel injection control parameters
25 Oct 22
A method of controlling an engine system includes controlling a fuel injector to perform a zero-fueling injector operation during operation of the engine, the zero-fueling injector operation including a non-zero injector on-time resulting in zero fueling by the injector, determining an injection system pressure change associated with the zero-fueling injector operation, modifying at least one fuel injection control parameter in response to the injection system pressure change, and using the modified fuel injection control parameter to control injection of fuel by the fuel injector during operation of the engine.
Donald J. Benson
Filed: 8 Feb 21
Utility
Temperature estimation for sensor
25 Oct 22
A process for controlled heating of a sensor of an aftertreatment system comprising accessing several parameters, including an exhaust mass flow, an outlet temperature, an ambient air temperature, and an ambient air velocity, calculating a temperature of the sensor based on a thermal model and the accessed parameters, comparing the calculated temperature to a threshold temperature, and activating a controlled heating process for the sensor responsive to the calculated temperature being below the threshold temperature.
Nassim Khaled
Filed: 28 Nov 17
Utility
Fuel water separator filter with an improved sealing arrangement
18 Oct 22
A fuel water separator filter is configured as a filter-in-filter construction with multiple water separating layers to separate water from the fuel.
Zemin Jiang, Amit Shashikant Wankhede, Sonali Dattatraya Bisurkar, Jayant Singh, Melvin Rice, Manikandan Annamalai
Filed: 27 Aug 20
Utility
External brace reinforcement structure for improved strength and performance of primary filter element
18 Oct 22
An external brace for a filter element is described.
Aditya S. Murthy, Peter K. Herman, Scott W. Schwartz, Robert A. Bannister, Jason A. Scherck, Yashpal Subedi
Filed: 14 Mar 18
Utility
Impulse turbine with non-wetting surface for improved hydraulic efficiency
18 Oct 22
Various arrangements of a turbine for a rotating coalescer element of a crankcase ventilation system for an internal combustion engine are described.
Peter K. Herman, Arun P. Janakiraman
Filed: 8 Jan 18
Utility
Increase aftertreatment temperature during light load operation
18 Oct 22
Systems, methods, and apparatuses are provided for increasing exhaust gas temperature.
Travis Alva Anderson, Joan M. Wills, Rajkumar Subramanian, Vaibhav Daramwar, Pagalavan Mathari Bakthavatsalam, Paul Daniel Borisuk
Filed: 3 May 21
Utility
Filtration assembly for use in aftertreatment systems for internal combustion engines
11 Oct 22
A filtration assembly structured to filter reductant includes an outer housing and an inner housing.
Julian Nicolas Aljoscha Raupp, Friedrich Johann Zapf, Ralf Rohrmueller, Andreas Lannig, Thomas Betz, Kay Henning Schmidt
Filed: 15 Feb 18
Utility
Fuel injector having a self-contained replaceable pilot valve assembly
11 Oct 22
A fuel injector device for injecting fuel into a combustion chamber of an internal combustion engine is provided.
Raymond V. Primus, Ryan S. Gray, Jr.
Filed: 14 Jun 17
Utility
Lubrication fluid filter bypass system
11 Oct 22
An internal combustion engine includes an engine lubrication fluid system with a main rifle for distribution of filtered lubrication fluid to a plurality of engine components through a plurality of secondary rifles connected to the main rifle.
Stephen D. Cofer, Jr., Ella Michelle Morris, Nickolas A. Springmeyer
Filed: 16 Mar 21
Utility
Diesel exhaust fluid doser protection during cold ambient temperature conditions using cylinder cutout methods
11 Oct 22
A system includes an exhaust aftertreatment system in exhaust gas receiving communication with an engine including a plurality of cylinders where the engine is structured to operate according to low load conditions and where a controller is structured to determine that at least one diesel emissions fluid (DEF) doser is frozen based on at least one of an ambient air temperature and a DEF source temperature.
Ankit Raghunath Lad, Joshua Alan Lantz, Vaibhav J. Lawand, Nicholas R. Lewis, Ian W. McGiffen, Arulkumaran Muthukumarasamy
Filed: 10 Sep 21
Utility
Coupling for power generation system
11 Oct 22
A coupling is disclosed for connecting rotating components of a generator and a prime mover in a power generation system.
Rahul Bhardwaj, Dumitru Razvan Stanca, Daniel Ciochina, Radu Caplescu, Popescu Ionut
Filed: 15 Aug 19
Utility
Charge-flow adjustment in closed-loop exhaust temperature control on dual fuel engines
11 Oct 22
Methods and systems of controlling a dual fuel engine with at least two banks of cylinders are provided.
Axel O. zur Loye, Christopher Pollitt, Timothy O. Lutz
Filed: 13 Sep 21
Utility
Integrated module with stage one and stage two filters combined in single housing
4 Oct 22
A filter assembly includes a filter housing having a longitudinal axis, the filter housing divided into a first filter chamber and a second filter chamber, a first element bottom endplate, a second element top endplate, an intermediate endplate positioned along the longitudinal axis between the second element top endplate and the first element bottom endplate, a first filter element housed within the first filter chamber and comprising first filter media positioned between the first element bottom endplate and the intermediate endplate, and a second filter element housed within the second filter chamber and comprising second filter media positioned between the second element top endplate and the intermediate endplate.
Anil I. Sawant, Vijaykumar Mahadev Burande, Benjamin L. Scheckel, Barry Mark Verdegan, Miao Li, Billy M. Bates, Mark T. Wieczorek
Filed: 26 Oct 18
Utility
Separation assembly with a single-piece impulse turbine
4 Oct 22
A separation assembly comprises a housing, a jet that expels a fluid within the housing, and a turbine positioned within the housing.
Peter K. Herman, Arun P. Janakiraman
Filed: 1 Dec 17
Utility
DC-DC converter control
4 Oct 22
A method to control an output voltage of a DC-DC converter, and voltage control logic operable to generate a voltage command to implement the control method, the method including sensing a voltage of a bus of an electric-drive vehicle; increasing a command voltage signal from the sensed voltage to a nominal voltage during a first time period; increasing the command voltage signal from the nominal voltage to a desired voltage during a second time period greater than the first time period; and generating a voltage output based on the command voltage signal.
Martin T. Books, Joseph E. Paquette, Patrick Kaufman, Elizabeth Weitzel, Galdino Ferretiz, Yuanchun Cai
Filed: 30 Apr 21
Utility
Real-time control of reductant droplet spray momentum and in-exhaust spray distribution
4 Oct 22
A system for controlling reductant spray momentum for a target spray distribution includes an exhaust system having an exhaust conduit with exhaust flowing therethrough, a reductant injection system for injecting reductant into the exhaust flowing through the exhaust system based on one or more injection parameters, a reductant supply system for supplying reductant to the reductant injection system based on one or more supply parameters, and a controller.
Samuel Johnson, Nassim Khaled, Patrick C. Hudson
Filed: 19 Apr 21