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Cummins (CMI)

1063 patents

Page 3 of 54
Utility
Systems and methods for increasing reductant insertion accuracy
19 Apr 22
An aftertreatment system comprises a SCR system, a reductant injector operatively coupled to the SCR system, and a reductant insertion assembly operatively coupled to the reductant injector.
Vikram Sundararajan, Joe V. Hill, Stephen M. Holl, Masoud Ziabakhsh Deilami
Filed: 7 Aug 18
Utility
Use of different pneumatic cylinder spring types in a variable displacement engine for engine and aftertreatment system temperature control
19 Apr 22
A system and method for a variable displacement internal combustion engine using different types of pneumatic cylinder springs on skipped working cycles to control engine and aftertreatment system temperatures are described.
Matthew A. Younkins, Xi Luo
Filed: 7 Apr 21
Utility
Filter Port Seal
14 Apr 22
A filter assembly includes a drain port comprising a top portion and at least one surface modification along the top portion.
Pravin S. Kadam, Wassem Abdalla, Manolito D. Mendoza, Peter K. Herman, Kevin C. South, Ismail C. Bagci, Deeksha Shukla
Filed: 20 Dec 21
Utility
Systems and Methods for Hole Detection In Crankcase Ventilation Tubing
14 Apr 22
Systems, devices and methods for diagnosing malfunctioning in a crankcase ventilation (CCV) system can include a controller receiving a plurality of pressure values.
Rohan Achyut Gumaste, Mark W. Pyclik
Filed: 8 Oct 20
Utility
Treated SCR Catalysts with Enhanced Sulfur Resistance
14 Apr 22
A method includes: providing a SCR system comprising a SCR catalyst; heating the SCR system to a temperature greater than 500 degrees Celsius for a predetermined time so as to increase sulfur resistance of the SCR catalyst; and installing the SCR system in an aftertreatment system.
Changsheng C. Su, Yuanzhou Xi, Jinqian Gong, Ramakrishna Gopal Dontha, Nathan A. Ottinger, Z. Gerald Liu, James C. Clerc
Filed: 10 Jan 20
Utility
Systems and methods for reductant delivery in aftertreatment systems for internal combustion engines
5 Apr 22
A dosing lance assembly for an exhaust component includes: a housing comprising: a plate having a first channel, an endcap having a second channel, and a pipe having a first end coupled to the plate and a second end coupled to the endcap, wherein at least a portion of the pipe is airfoil-shaped; and a delivery conduit having a first end coupled to the plate and a second end coupled to the endcap, such that reductant is flowable from the first channel to the second channel.
Snehal Shivaji Yesumali, Colin L. Norris, Ronald Hale, Ken Hummel, Tyler Kent Lorenz, Raghunath Thakar
Filed: 14 Oct 20
Utility
Integrated bellows gasket
5 Apr 22
A system for sealing components of an exhaust system in an engine system comprises a bellows with an elongated portion.
Stephen Russell Cox
Filed: 23 Sep 20
Utility
Exhaust coolant system and method
5 Apr 22
A system includes an engine defining a water jacket fluidly coupled to a heat exchanger.
Brandon E. Chrastil, Doyle E. Whittington
Filed: 12 Jun 18
Utility
Engine system for emission reduction without aftertreatment
5 Apr 22
An engine system comprising an internal combustion engine and a turbocharger, where a diameter of the at least one intake valve is greater than a diameter of the at least one exhaust valve, the salient angle of the piston bowl is at least 10 degrees, the ratio between the piston bowl opening diameter and the piston bowl depth is approximately 0.5 to 2.0, the intake valve opens before top dead center on an exhaust stroke of the internal combustion engine and closes before bottom dead center of an intake stroke of the internal combustion engine, and the turbocharger has a combined efficiency of more than 50%.
Philipe F. Saad, Leon A. LaPointe, Premjee Sasidharan, Atsuhiko Watanabe
Filed: 23 Oct 20
Utility
Vented Filter Cartridge Integrated into the Upper Flange and Filtration
31 Mar 22
A filter cartridge (1) comprising a filter medium (2) of cylindrical shape defining a central axis (3), a first flange (4), said first flange (4) being a flange plate which comprises a central opening (5) defining a fluid outlet, a first face (4a) and a second face (4b) opposite the first face (4a), said face (2) being fixed to the second face (4b) of the first flange (4), and a filtering medium (6) extending from said first face (4a) along the central axis and projecting outwardly from said central opening (5), said cylindrical extension (6) having an outer face (6a) and an inner face (6b); characterized in that said cylindrical extension (6) is traversed by at least one vent (7), and in that a first joint element (8) is provided at a first position of the cylindrical extension (6) and a second sealing element (9) is provided on a second position of the cylindrical extension (6), the first joint element (8) being axially offset from the second joint member (9) with respect to the central axis so that said at least one at least one vent (7) is positioned between the first seal member (8) and the second seal member (9) with respect to the central axis (3).
Gérard Malgorn, Stéphane Le Guyader, Charles W. Hawkins, Terry Shults
Filed: 10 Dec 21
Utility
Portable and Modular Enclosure for Engine Generator Set
31 Mar 22
A genset enclosure includes a skid platform, a plurality of gusset members, a plurality of roof supports, and a first and second plurality of sidewall panels.
Shashikant Ramdas More, Atin Tandon, Abdullah Caner Demirdogen
Filed: 29 Sep 21
Utility
System, Method, and Apparatus for Driver Optimization
31 Mar 22
An apparatus includes a control circuit.
J. Steven Kolhouse, Carlos Alcides Lana, Vivek A. Sujan, Phani Vajapeyazula, J. Stephen Wills, Thomas M. Yonushonis
Filed: 13 Dec 21
Utility
Vehicle Controller with Complementary Capacitance for Analog-to-digital Converter (A/d) Low Pass Filter
31 Mar 22
A system includes a control circuit and an adjustable low-pass filter.
Jose Gonzalo Villalon
Filed: 13 Dec 21
Utility
Fuel-water Separator Filter Assembly with Axial Sealing Member
31 Mar 22
A filter assembly comprises a housing defining an internal volume.
Wassem Abdalla, Nikhil Manohar Kalbande, Vaibhav Pimpalte
Filed: 27 Sep 21
Utility
Modular electromagnetic interference filter inductor core
31 Mar 22
Disclosed are designs for inductor cores for electromagnetic interference (EMI) filters.
Veda S. Duppalli, Santhosh Krishnamoorthi, Sanchit Mishra, Jaroslaw Leonarski, Dakshina S. Murthy-Bellur
Filed: 13 Sep 21
Design
Electrical generator
29 Mar 22
Daniel Ciochina, Mihai Cristian Ilinca, Silviu Ionut Nanau, Viorel Visan, Paul Camil Stirbu, Stefan Laurentiu Simion
Filed: 29 Aug 19
Utility
Self-adjusting air management valve for a filter assembly
29 Mar 22
An air management device for a filter assembly includes a top portion, a bottom portion, a plurality of frame members that connect the top portion to the bottom portion so as to define an inner cavity, and an air management valve.
Eric R. Burgan, Paul A. Hayes, Braxton M. Burgan
Filed: 2 Jun 16
Utility
System and method for determining reductant delivery performance
29 Mar 22
A system has a pump and an injector coupled to the pump.
Bharath Sundar, Apurva Arvind Chunodkar, Michael Haas, Astha Kukreja
Filed: 13 Jul 20
Utility
Integrative reductant system and method using constant volume injection
29 Mar 22
Various embodiments relate to a selective catalytic reduction system for treating exhaust gases of an internal combustion engine.
Douglas Mitchell, A. Carl McDonald, Jr.
Filed: 16 Sep 19
Utility
System and methods for controlling flow distribution in an aftertreatment system
29 Mar 22
Methods, apparatuses, and systems for estimating exhaust air mass-flow in an aftertreatment system.
Sriram Srinivasan
Filed: 25 May 17
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