Patents Examined by Jonathan R Matthias
-
Patent number: 10883403Abstract: 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. The fluid transfer connector comprises an attachment nut attachable to a port fitting of the diesel exhaust fluid device. The fluid transfer connector further comprises a hose adapter including a fluid conduit and an annular wiper seal coaxially aligned with the fluid conduit. With the attachment nut attached to the port fitting, the fluid conduit is slidable over the port fitting and connectable to the attachment nut, and the annular wiper seal wipes any residue on the port fitting as the fluid conduit is slid over the port fitting.Type: GrantFiled: September 26, 2018Date of Patent: January 5, 2021Assignee: Cummins Inc.Inventor: Shawn A. Rockey
-
Patent number: 10851692Abstract: A method and engine arrangement are provided for monitoring components in an exhaust aftertreatment system (EATS) including a diesel oxidation catalyst (DOC), a diesel particulate filter (DPF), and a selective catalytic reduction catalyst (SCR). A first O2 level is measured at a first location between the DOC and the DPF, a second O2 level is measured at a second location downstream of the SCR, a first NOx level is measured at, the first location, a second NOx level is measured at the second location, SCR efficiency is calculated based on the first and second NOx levels, and whether the DOC, the DPP. and the SCR are functioning property is determined based on whether the first O2 level is within a first O:2 target, whether the second O2 level is within a second O2 target, and whether SCR efficiency is within an SCR efficiency target.Type: GrantFiled: January 24, 2017Date of Patent: December 1, 2020Assignee: Volvo Truck CorporationInventors: Qunlong Dong, Chun Tai
-
Patent number: 10844763Abstract: A boiler or other fired vessel includes a housing with a burner at one end, a furnace downstream of the burner, a convection section downstream of the furnace and a flue gas outlet downstream of the convection section. A first means for loading a reducing agent comprising at least two injectors is located downstream of the furnace. A second means for loading a reducing agent is located downstream of the first means for loading a reducing agent. A selective catalytic reduction catalyst is located either downstream of the second means for loading a reducing agent or adjacent the second means for loading a reducing agent such that the catalyst is provided to the boiler or other fired vessel approximately simultaneously with the reducing agent from the second means for loading the reducing agent.Type: GrantFiled: March 6, 2018Date of Patent: November 24, 2020Assignee: R. F. MacDonald Co.Inventors: Michael David MacDonald, Marco Antonio Velasco, Anthony Feliz, Lawrence J. Muzio
-
Systems and methods for reductant delivery in aftertreatment systems for internal combustion engines
Patent number: 10837339Abstract: A dosing lance assembly for an exhaust component includes a housing and a delivery conduit. The housing includes a plate, an endcap, and a pipe. The plate has a first channel. The endcap has a second channel. The pipe has a first end coupled to the plate and a second end coupled to the endcap. The delivery conduit has 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. When the housing is at an ambient temperature, (i) a length of the delivery conduit is greater than (ii) a first distance between a location at which the first end of the pipe is coupled to the plate and a location at which the second end of the pipe is coupled to the endcap.Type: GrantFiled: September 27, 2018Date of Patent: November 17, 2020Assignee: Cummins Emission Solutions Inc.Inventors: Snehal Shivaji Yesumali, Colin L. Norris, Ronald Hale, Ken Hummel, Tyler Kent Lorenz, Raghunath Thakar -
Patent number: 10837337Abstract: A component of an exhaust gas system and a method for exhaust gas after-treatment having a housing with an inlet and an outlet for an exhaust gas, an annular heat exchanger through which the exhaust gas can flow from the inlet in an axial direction and along a first flow path. Downstream of the heat exchanger, an annular catalyst body is arranged inside the heat exchanger and through which the exhaust gas can flow in a radial direction, such that, downstream of the catalyst body, the exhaust gas flows through the heat exchanger in the radial direction and along a second flow path.Type: GrantFiled: August 15, 2017Date of Patent: November 17, 2020Assignee: Vitesco Technologies GmbHInventors: Peter Hirth, Christoph Pabst, Christian Schorn, Egbert Zienicke
-
Patent number: 10823088Abstract: An exhaust gas flap includes a flap tube (12), a flap diaphragm (16) carried in the interior of the flap tube (12) on a pivot shaft (14) rotatable about a pivot axis (A), a pivot drive (30) and a coupling device (36) coupling the pivot shaft (14) to a drive shaft (34) of the pivot drive (30). The coupling device (36) includes a first coupling area (42) that positive-lockingly meshes with the drive shaft (34) and a second coupling area (44) that positive-lockingly meshes with the pivot shaft (14). A biasing element (78) is supported in relation to the coupling device (36) and is supported in relation to one shaft of the drive shaft (34) and the pivot shaft (14). The coupling device (36) is axially biased by the biasing element (78) towards the other shaft and is prestressed about the pivot axis in relation to the one shaft.Type: GrantFiled: September 23, 2019Date of Patent: November 3, 2020Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventors: Annika Zeumer, Steffen Schmitt, Andreas Wacker, Dennis Bahr, Sven Grötzinger, Matthias Grün
-
Patent number: 10823036Abstract: An exhaust component assembly includes a component housing defined by an outer dimension and having at least one sensor opening. A sensor boss surrounds the at least one sensor opening and at least one exhaust component is positioned radially outwardly of the component housing and includes an opening that surrounds the at least one sensor opening. A first flange extends about an outer periphery of the sensor boss and a second flange is associated with the opening of the at least one exhaust component to accommodate variations in the outer dimension such that the first and the second flanges can be attached to each other.Type: GrantFiled: June 25, 2019Date of Patent: November 3, 2020Assignee: Faurecia Emissions Control Technologies, USA, LLCInventors: James Egan, Jithender Bhog, Matt Green
-
Patent number: 10808587Abstract: An exhaust gas purification device for a vehicle includes a tubular enclosure having a central axis, a purification member for exhaust gases housed in the tubular enclosure, an electric heating member housed in the tubular enclosure, and a power source electrically powering the electric heating member. The electric heating member comprises a heating plate made from an electrically conductive material extending in a plane substantially perpendicular to the central axis. The heating plate has a solid center and at least two branches, each branch extending in a spiral from the solid center to a free end located near the tubular enclosure. The heating plate is permeable to the exhaust gases and comprises a network of passages for the exhaust gas generating a turbulent flow of the exhaust gases through the heating plate.Type: GrantFiled: March 12, 2019Date of Patent: October 20, 2020Assignee: FAURECIA SYSTEMES D'ECHAPPEMENTInventors: Eric Ottaviani, Jean-Paul Brunel
-
Patent number: 10808588Abstract: An after treatment method for a lean-burn engine is disclosed. The after treatment method is configured to control an after treatment system sequentially equipped with an ammonia production catalyst module, a selective catalytic reduction (SCR) catalyst, and a CO clean-up catalyst (CUC) on an exhaust pipe through which an exhaust gas flows and which is connected to a lean-burn engine. NH3 generation in the ammonia production catalyst module is changed according to a temperature and a temperature change rate of the SCR catalyst.Type: GrantFiled: January 31, 2019Date of Patent: October 20, 2020Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Nahm Roh Joo, ChangHo Jung, Chang Hwan Kim, Dohyung Kim
-
Patent number: 10794309Abstract: Methods and systems are provided for a particulate filter comprising a pretreatment. In one example, a method may include applying a pretreatment to an unused particulate filter, wherein the particulate filter is subjected to incomplete oxidation conditions following application of the pretreatment.Type: GrantFiled: August 14, 2018Date of Patent: October 6, 2020Assignee: Ford Global Technologies, LLCInventors: Helmut Hans Ruhland, Brendan Patrick Carberry, Jan Linsel, Christoph Boerensen
-
Patent number: 10794256Abstract: Apparatus (100) for controlling an aftertreatment system of an internal combustion engine (101), a system comprising an apparatus, a vehicle comprising a system and a method (1000) of controlling injection in an internal combustion engine (101) are disclosed. The apparatus comprises a processing means (102) configured to receive a first signal from a first temperature sensing means (103) indicative of a first temperature of exhaust gases outputted from an internal combustion engine (101) at a first location upstream of a first exhaust system component (104) configured to provide a passage for exhaust gases. The processing means is also configured to receive a second signal from a flow rate sensing means (105) indicative of a flow rate of the exhaust gases outputted from the engine (101) and calculate an approximated value at least from the first signal and the second signal.Type: GrantFiled: March 21, 2017Date of Patent: October 6, 2020Assignee: JAGUAR LAND ROVER LIMITEDInventors: Neil Bevan, Alex Romocea
-
Patent number: 10794249Abstract: An amount of deposition of intramural PM in a particulate filter is estimated with a high degree of accuracy. A controller obtains, as a correlation between a reference value of an intramural PM deposition amount and an oxygen storage capacity of the catalyst, a change over time of an oxygen storage capacity of the catalyst according to a change of a filter PM deposition amount in a period of time from a point in time at which the filter PM deposition amount is substantially zero to a point in time at which the oxygen storage capacity of the catalyst, which becomes larger according to an increase of the filter PM deposition amount, reaches a maximum value. Further, the controller estimates a current intramural PM deposition amount based on a current oxygen storage capacity of the catalyst and the correlation.Type: GrantFiled: March 18, 2019Date of Patent: October 6, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Naoya Kaneko, Hiromasa Hashimoto
-
Patent number: 10787943Abstract: An exhaust muffler includes a first muffler section connected to an exhaust pipe and a second muffler section connected to the first muffler section. Exhaust gases delivered from the exhaust pipe are discharged from the first muffler section and the second muffler section out of the exhaust muffler. The first muffler section includes a tubular member made up of an inner pipe to which the exhaust pipe is connected and an outer pipe covering the inner pipe, and a connector connecting the tubular member and the second muffler section to each other. The first muffler section has a first expansion chamber defined therein between the inner pipe and the outer pipe. The inner pipe houses therein a valve for changing an amount of exhaust gases passing through the inner pipe. The first muffler section includes a curved portion that is curved vertically as viewed in side elevation of the vehicle.Type: GrantFiled: January 13, 2017Date of Patent: September 29, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Keisuke Kishikawa, Yoji Fukui, Kazuya Yoshio, Takuya Otsuka
-
Patent number: 10787949Abstract: Systems and methods are provided for an engine system having a split exhaust system. In one example, a system may include an engine having a plurality of cylinders, each of the plurality of cylinders including first and second exhaust ports, the first and second exhaust ports arranged in a non-alternating pattern across the plurality of cylinders and along a cylinder head, a blowdown exhaust manifold coupled to the first exhaust ports and an exhaust passage, and a scavenge exhaust manifold coupled to the second exhaust ports and an intake passage of the engine. In this way, the first and second exhaust ports may be arranged to enhance turbocharger performance characteristics.Type: GrantFiled: December 31, 2018Date of Patent: September 29, 2020Assignee: Ford Global Technologies, LLCInventors: Gregory Patrick McConville, John Cornell, Joseph Norman Ulrey
-
Patent number: 10781735Abstract: Methods and systems are featured for reducing harmful exhaust gas components of combustion devices such as gasoline-powered combustion engines (e.g., predominately stoichiometric running engines). The methods and systems include an underbody combination of a hydrocarbon trap (HCT), suited for cold start hydrocarbon adsorption, as well as an associated NOx trap. The system is inclusive of a control unit for extending a lean exhaust condition reaching the desorbing HCT as to avoid a deficiency in oxygen during the time period of HCT desorption. The system is also inclusive of one or more TWCs as in one associated with the underbody HCT-NOx-trap combination and/or one positioned in a close coupled position. Platinum group metals as in Pd, Rh and Pt are also featured on one, two or all three of the HCT, NOx-trap, and TWC when present.Type: GrantFiled: May 18, 2018Date of Patent: September 22, 2020Assignee: Umicore AG & CO KGInventors: David Moser, John Nunan, Chad Alltizer
-
Patent number: 10774716Abstract: Methods and systems are provided for HP-EGR and LP-EGR. In one example, a method includes selecting a HP-EGR mode or a LP-EGR mode in response to a first difference calculated between ammonia desired during the two modes, and a second difference calculated between NOx emitted during the two modes.Type: GrantFiled: January 4, 2019Date of Patent: September 15, 2020Assignee: Ford Global Technologies, LLCInventors: Frederik De Smet, Monika Angst
-
Patent number: 10767527Abstract: An exhaust system (1) for a motor vehicle includes an exhaust gas-purifying device (2) for purifying exhaust gas (3) removed from an internal combustion engine with a reducing agent feed (4), which is arranged downstream and at a spaced location from the exhaust gas-purifying device (2) and by which a reducing agent can be introduced into the exhaust system (1). A reducing agent-deflecting device (7) is arranged between the exhaust gas-purifying device (2) and the reducing agent feed (4). The reducing agent-deflecting device (7) has at least one reducing agent-deflecting element (8) of a blade-like design.Type: GrantFiled: July 27, 2018Date of Patent: September 8, 2020Assignee: Eberspächer Exhaust Technology GmbH & Co. KGInventor: Silvia Calvo
-
Patent number: 10753256Abstract: An injection controller that is applied to an exhaust purification system including an injector that is located in an exhaust passage of an internal combustion engine and injects to supply a reducing agent in a liquid state to a NOx purification catalyst purifying NOx in an exhaust gas, and a pump that pressurizes and pumps the reducing agent to the injector through a reducing-agent passage. The injection controller includes an acquisition unit configured to acquire a variation quantity of a rotational speed of the pump caused in response to an injection of the injector or a correlation value that is a value correlative to the variation quantity, as a rotational variation parameter, and a determination unit configured to determine whether an air mixing exists in the reducing-agent passage based on the rotational variation parameter.Type: GrantFiled: January 4, 2019Date of Patent: August 25, 2020Assignee: DENSO CORPORATIONInventors: Eiji Takemoto, Tomomi Oshima
-
Patent number: 10753296Abstract: In a work machine including an engine; a hydraulic pump; an actuator; an operating member that operates an actuator; an exhaust gas purifying device; a load application device that applies a load to an engine to raise the temperature of exhaust gas; and a control device, the load application device includes a load application valve that is provided in series between the hydraulic pump and the actuator and performs switching as to whether a hydraulic oil flow channel between the hydraulic pump and the actuator is brought into a communication state or a non-communication state in accordance with a control pressure, and if a load application request is input, the control device changes the control pressure exerted on the load application valve on the basis of the presence or absence of input of an operation signal of the operating member.Type: GrantFiled: January 24, 2019Date of Patent: August 25, 2020Assignee: SUMITOMO HEAVY INDUSTRIES CONSTRUCTION CRANES CO., LTD.Inventors: Koji Funato, Tatsuo Koshi
-
Patent number: 10753257Abstract: Mat (1) for mounting a pollution control element in a housing, comprising inorganic fibre material. At an edge surface (20) of the mat a plurality of fibres (30) are heat fused to form fusion volumes (90). The average number of fusion volumes per square millimetre of the edge surface is at least 100, and at least 80% of the fusion volumes have a projected size of between 10 ?m and 100 ?m.Type: GrantFiled: December 18, 2017Date of Patent: August 25, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kerstin C. Rosen, Knut Schumacher, Tilo Remhof
