855 patents
Page 25 of 43
Utility
Inside-out rotating coalescer with gas exit through hollow shaft
26 Oct 21
Various example embodiments relate to rotating coalescers.
Anthony Barreteau, Christopher E. Holm, Benjamin L. Scheckel, Alain Olier
Filed: 1 Feb 21
Utility
Reductant delivery systems and methods
26 Oct 21
A controller for a dosing module including a pump, an inlet manifold coupled to the pump, a nozzle, an outlet manifold coupled to the nozzle, a first branch coupled to the inlet manifold and the outlet manifold and having a first flow restrictor and a first valve, a second branch coupled to the inlet manifold and the outlet manifold and having a second flow restrictor and a second valve, and a sensor coupled to the inlet manifold and the outlet manifold, includes an input/output interface and a processing circuit.
Taren DeHart, Vaibhav J. Lawand, Stephen M. Holl, Paul Douglas Free, Nassim Khaled, Colin L. Norris
Filed: 20 Dec 19
Utility
Systems and methods for remanufacturing selective catalytic reduction systems
19 Oct 21
An aftertreatment system comprises an aftertreatment component.
Arvind V. Harinath, Behnam Bahrami
Filed: 20 Jan 17
Utility
Filtration monitoring system that monitors dual filtration systems
19 Oct 21
A filtration monitoring system is an electronic system control module installed on an internal combustion engine or within a vehicle powered by the internal combustion engine.
Amit Dhingra, Bharadwaj Prabhala, Abhijeet Vaidya, Abhijit Shimpi, Eric R. Burgan
Filed: 26 Jul 18
Utility
Wastegate assembly or turbine
19 Oct 21
A turbine comprises a turbine housing defining a turbine inlet upstream of a turbine wheel and a turbine outlet downstream of the turbine wheel; and a wastegate valve assembly comprising at least one movable valve member mounted on a movable support member within a wastegate chamber which communicates with the turbine inlet upstream of the turbine, and has one or more chamber outlets which communicate with an outlet of the turbine.
Matthew J. Purdey, Richard Goodyear
Filed: 18 Dec 18
Utility
Piston with insulating air gap formed by additive manufacturing
19 Oct 21
The present disclosure provides a piston, comprising: a skirt having an upper body portion; and a crown formed on the upper body portion by an additive manufacturing process, the crown including at least one air gap formed and positioned to reduce heat transfer from combustion to at least one cooling gallery formed in the piston.
Jordan E. Kelleher, Lyle E. Kocher, Dwight A. Doig, Brett A. Boas
Filed: 28 Nov 18
Utility
High pressure common rail fuel pump outlet check valve spring retainer method
19 Oct 21
The present disclosure generally relates to a pumping element of a fuel pump for an internal combustion engine wherein the pumping element comprises a first flow chamber; a second flow chamber in fluid connection with the first flow chamber, the second flow chamber including a shoulder; a check valve including a first insert and a second insert, the first insert being movable between a first position wherein the first insert forms a seal that inhibits fluid flow between the first and second flow chambers and a second position wherein the first insert permits fluid flow between the first and second flow chambers, the second insert being inserted into the second flow chamber to an extent limited by the shoulder; and a spring having a first end engaging the first insert and a second end engaging the second insert; wherein the first insert moves from the first position to the second position against a biasing force of the spring in response to pressurized fluid in the first flow chamber.
Anthony A. Shaull, Tamas Rauznitz, Brian M. Watson, Patrick D. Chasteen, Luke Allen Jones
Filed: 15 May 15
Utility
Aftertreatment system for mixing a reductant in an exhaust gas flowing therethrough
19 Oct 21
An SCR system includes at least one catalyst, and an intake conduit.
Ken Hummel, John Ringstad, Atul S. Abhyankar
Filed: 20 Oct 17
Utility
Filter with interlocking housing interface
12 Oct 21
A filter element includes first filter media, second filter media, a frame, and a seal member.
Jessie A. Knight, Scott G. Manke, Dane P. Miller, Jason A. Scherck, Robert A. Bannister, Gregory K. Loken, Scott W. Schwartz
Filed: 1 May 17
Utility
Diagnostic system and method for detecting internal combustion engine faults using exhaust pressure readings
12 Oct 21
A diagnostic system and method that (a) that uses models indicative of both successful firing and skips to determine if cylinders of a skip fire controlled internal combustion engine have successfully fired or successfully skipped and (b) uses filtered exhaust gas pressure readings for detecting faults associated with EGR systems and/or turbocharger systems.
Shikui Kevin Chen
Filed: 16 Nov 20
Utility
Reductant deposit detection using a radiofrequency sensor
12 Oct 21
A process for detecting reductant deposits includes accessing data indicative of signal output from a radiofrequency sensor positioned proximate a decomposition reactor tube; comparing the data indicative of signal output from the radiofrequency sensor to a deposit formation threshold; and activating a deposit mitigation process responsive to the data indicative of signal output from the radiofrequency sensor exceeding the deposit formation threshold.
Sriram Srinivasan
Filed: 25 Jun 18
Utility
System and method for varying reductant delivery pressure to aftertreatment systems
12 Oct 21
An aftertreatment system comprises a reductant storage tank and a SCR system including a catalyst for reducing constituents of an exhaust gas.
Friedrich J. Zapf, Stephen M. Holl, John D. Crofts
Filed: 26 Apr 19
Utility
Cobra head air intake ports
12 Oct 21
The present disclosure provides air intake ports and/or intake manifolds having an altered configuration to improve the efficiency of the air intake ports, intake manifolds, and by extension, the engine.
Robert G. Sperry, Terry D. Partridge, Steven L. Leffler, Kartikeya Tyagi, Amit A. Kulkarni, Pallav Jha
Filed: 31 Aug 16
Utility
Systems and methods for mixing exhaust gases and reductant in an aftertreatment system
5 Oct 21
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: 5 Jun 18
Utility
Adaptive high pressure fuel pump system and method for predicting pumped mass
5 Oct 21
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: 10 Apr 18
Utility
Charge-flow adjustment in closed-loop exhaust temperature control on dual fuel engines
5 Oct 21
Methods and systems of controlling operation of a dual fuel engine are provided, comprising determining a target exhaust temperature, sensing an actual exhaust temperature, determining an exhaust temperature deviation by comparing the actual exhaust temperature to the target exhaust temperature, comparing the exhaust temperature deviation to a threshold, adjusting at least one of an intake throttle, a wastegate, a compressor bypass valve, an exhaust throttle, a VGT and engine valve timing when the exhaust temperature deviation exceeds the threshold to control charge-flow to the engine, and continuing the adjusting until the exhaust temperature deviation is less than the threshold.
Axel O. zur Loye, Christopher Pollitt, Timothy P. Lutz
Filed: 17 Dec 15
Utility
Optimizing combustion recipes to improve engine performance and emissions for variable displacement engines
28 Sep 21
A system and method for transitioning a firing fraction of a variable displacement internal combustion engine when generating a desired torque output.
Louis J. Serrano, Xiaoping Cai, Shikui Kevin Chen, Benjamin M. Wolk, Avra Brahma, Justin R. Lee
Filed: 11 Dec 20
Utility
Waste heat recovery vehicle cooling optimization
21 Sep 21
An engine cooling system comprises an engine cooling circuit, comprising a first pump structured to circulate engine coolant fluid therethrough.
Timothy C. Ernst, Christopher R. Nelson, Jared Carpenter Delahanty
Filed: 19 Oct 17
Utility
Systems and methods for diagnosing a thermostat
21 Sep 21
Systems and methods are disclosed for determining a temperature of a coolant in a cooling system for an engine and diagnosing a thermostat in the engine responsive to the determined temperature.
Emrah Arslanturk, Jeremy Nethercutt
Filed: 17 May 19
Utility
Centrifugal compressor with diffuser with throat
21 Sep 21
A diffuser is proposed which is formed as the gap between rotationally-symmetric surfaces which face each other.
Subenuka Sivagnanasundaram
Filed: 29 Jun 17