Exhaust Gas Or Exhaust System Element Heated, Cooled, Or Used As A Heat Source Patents (Class 60/320)
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Patent number: 12140065Abstract: A system and method for treating turbine exhaust gas for improved operational flexibility includes a turbine exhaust gas discharge structure, a catalytic turbine exhaust gas treatment device positioned at least partially within the turbine exhaust gas discharge structure, a pump, and at least two heat exchangers. A first heat exchanger is positioned at least partially within the turbine exhaust gas discharge structure to remove heat from turbine exhaust gas by transferring heat to a working fluid. A second heat exchanger removes heat from the working fluid gained at the first heat exchanger. The pump drives the working fluid between the first and second heat exchanger. In a further embodiment, the catalytic turbine exhaust gas treatment device is replaced by a heat recovery steam generator.Type: GrantFiled: June 5, 2023Date of Patent: November 12, 2024Assignee: Nooter/Eriksen, Inc.Inventors: Glen L. Bostick, Shaun P. Hennessey, Nathan Ross
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Patent number: 12069837Abstract: Among two main surfaces of a heat dissipation member, one main surface is curved to be convex in an outward direction and the other convex in an inward direction. When a straight line passing through both endpoints P1 and P2 of the curve is l1, a point at which a distance to l1 on the curve is maximum is Pmax, an intersection point between l1 and a perpendicular drawn from Pmax to l1 is P3, a middle point of a line segment P1P3 is P4, an intersection point between the curve and a straight line that passes through P4 and is perpendicular to l1 is Pmid, a length of the line segment P1P3 is L, a length of a line segment P3Pmax is H, and a length of a line segment P4Pmax is h, (2 h/L)/(H/L) is 1.1 or more.Type: GrantFiled: January 29, 2020Date of Patent: August 20, 2024Assignee: DENKA COMPANY LIMITEDInventors: Daisuke Goto, Hiroaki Ota
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Patent number: 12031468Abstract: A system and method for treating turbine exhaust gas includes an exhaust gas discharge structure, a catalytic exhaust gas treatment device, at least two heat exchangers and a district heating system. The catalytic exhaust gas treatment device is positioned at least partially within the exhaust gas discharge structure. A first heat exchanger is positioned at least partially within the exhaust gas discharge structure and upstream of the catalytic exhaust gas treatment device to remove heat from an exhaust gas by transferring heat to a working fluid. A second heat exchanger is positioned at least partially within the exhaust gas discharge structure downstream of the catalytic exhaust gas treatment device to remove heat from the exhaust gas that has passed though the device by transferring heat to the working fluid. A pump drives the working fluid between the first heat exchanger, the district heating system and the second heat exchanger.Type: GrantFiled: June 5, 2023Date of Patent: July 9, 2024Assignee: Nooter/Eriksen, Inc.Inventors: Glen L. Bostick, Shaun P. Hennessey, Nathan Ross, Piero Scapini
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Patent number: 11994054Abstract: A header assembly for an aftertreatment system includes: a header including: a suction port, and a return port; a first splitting device configured to receive a first flow of reductant from the suction port and to split the first flow into a first inlet flow and a second inlet flow; a second splitting device configured to receive a first outlet flow and a second outlet flow and to provide a second flow to the return port of the header; a first inlet line configured to direct the first inlet flow to a first dosing module; a second inlet line configured to direct the second outlet flow to a second dosing module; a first outlet line configured to direct the first outlet flow to the second splitting device; and a second outlet line configured to direct the second outlet flow to the second splitting device.Type: GrantFiled: April 10, 2023Date of Patent: May 28, 2024Assignee: Cummins Emission Solutions Inc.Inventors: Joe V. Hill, Bolaji Suberu
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Patent number: 11946402Abstract: A work vehicle includes: a first exhaust pipe to which engine exhaust is sent; and a second exhaust pipe that has an inlet having an outer diameter larger than an outlet of the first exhaust pipe, the outlet of the first exhaust pipe and the inlet of the second exhaust pipe being disposed in proximity such that the outlet of the first exhaust pipe is positioned inside the inlet of the second exhaust pipe; a partition that divides a cross section of the outlet of the first exhaust pipe into a plurality of divided regions when viewed from the flow direction and partitions the adjacent divided regions at intervals.Type: GrantFiled: October 28, 2022Date of Patent: April 2, 2024Assignee: Kubota CorporationInventors: Masaru Shinya, Tatsuya Nishimura
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Patent number: 11904833Abstract: A boundary is at an engine drive restricted zone where operation of the internal combustion engine is restricted. An adjusting device adjusts of at least one of the temperature inside the cabin using electric power, the humidity inside the cabin using electric power, or the air pollution degree inside the cabin. In response to a prediction that (1) a host vehicle will enter the inside of the engine drive restricted zone and that (2a) the time period for the host vehicle to reach the boundary is within a preset time period or that (2b) the distance between the host vehicle and the boundary is within a preset distance, the value of at least one of the temperature inside the cabin, the humidity inside the cabin, and the air pollution degree inside the cabin is reduced before the host vehicle enters the inside of the engine drive restricted zone.Type: GrantFiled: November 19, 2021Date of Patent: February 20, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daiki Yokoyama, Hiroya Chiba, Yoshiyuki Kageura, Masanori Shimada, Yoshihiro Sakayanagi, Sui Kurihashi, Hiroki Morita, Makoto Ogiso
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Patent number: 11903312Abstract: A heat conversion apparatus according to one embodiment of the present invention comprises: a pipe which includes a first flat surface and a second flat surface disposed parallel to the first surface, and through which air having a lower temperature than entered air is discharged; a plurality of thermoelectric elements that have heat-absorbing surfaces disposed in external sides of the respective first and second surfaces; a plurality of printed circuit boards (PCBs) that are electrically connected to the plurality of thermoelectric elements; and coolant passing members that are disposed on heat-radiating surfaces of the plurality of thermoelectric elements, wherein an external floor surface of the coolant passing member includes a plurality of first external floor surfaces having a first height and a plurality of second external floor surfaces having a second height that is different from the first height, the plurality of first external floor surfaces are in contact with the heat-radiating surfaces of the pType: GrantFiled: November 24, 2021Date of Patent: February 13, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Un Hak Lee, Sang Hoon Bong, Young Kil Song, Yun Sang Song, Jung Ho Kim, Seong Jae Jeon, Young Sam Yoo, Sung Chul Kim
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Patent number: 11867104Abstract: A motorcycle exhaust pipe heat pad including a shield assembly, and a fastening assembly is disclosed herein. Fastening assembly include a plurality of fasteners. Shield assembly includes shield made of an insulating heat material such as silicone to protect user from heat of motorcycle exhaust pipes. Shield has a cylindrical mounting shape. Shield has decorative ridges on an outer surface. Shield has predetermined diameters to couple to different exhaust pipes. Plurality of fasteners are disposed on the shield assembly and allow to secure the shield to a motorcycle double exhaust pipe, to a motorcycle single exhaust pipe or to a motorcycle curved exhaust pipe.Type: GrantFiled: November 19, 2021Date of Patent: January 9, 2024Inventor: John A. Roller
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Patent number: 11846239Abstract: An air supply device for an electrically heated catalyst is proposed. The device includes an electronic supercharger fluidly connected to an intake manifold, an intake valve fluidly connected to the electronic supercharger, an exhaust valve fluidly connected to an exhaust manifold of the engine, an electrically heated catalyst fluidly connected to the exhaust manifold and positioned in a front end of a catalyst part, and a controller configured to control driving of the electronic supercharger and an opening degree of each of the intake valve and the exhaust valve. The controller controls the electronic supercharger based on a door opening condition in a cold operation and switches the intake valve to an advance state and the exhaust valve to a retard state, thus heating the electrically heated catalyst.Type: GrantFiled: November 23, 2022Date of Patent: December 19, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventor: Il Suk Yang
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Patent number: 11838995Abstract: An exhaust gas heater for an exhaust gas system of an internal combustion engine includes a carrier arrangement, a heating conductor arrangement which is supported on the carrier arrangement and has at least one current-carrying heating conductor, and a connecting arrangement for the fixed connection of the heating conductor arrangement to the carrier arrangement. The heating conductor arrangement is supported on the carrier arrangement in an electrically insulated manner via the connecting arrangement. The connecting arrangement includes a plurality of connecting elements, the heating conductor arrangement being supported on at least one connecting element via an insulating carrier unit in an electrically insulated manner with regard to the at least one connecting element.Type: GrantFiled: August 26, 2022Date of Patent: December 5, 2023Assignee: Purem GmbHInventors: Jochen Hammer, Fabian Frobenius, Holger Brenner, Dietmar Kuschel, Fatih Uysal, Jürgen Häberle
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Patent number: 11635033Abstract: An engine includes an exhaust manifold, an intake manifold, and an EGR device configured to supply EGR gas from the exhaust manifold to the intake manifold. An EGR cooler is provided at a side of the exhaust manifold, and a longitudinal direction of the EGR cooler is in an up-down direction of the engine in a used state.Type: GrantFiled: October 28, 2021Date of Patent: April 25, 2023Assignee: YANMAR POWER TECHNOLOGY CO., LTD.Inventors: Yu Matsui, Masato Kishiura
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Patent number: 11629626Abstract: A heat recovery device includes: a honeycomb structure including an outer peripheral wall having at least one outer peripheral surface, and partition walls arranged on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells each extending from a first end face to a second end face to form a flow path for a first fluid; a thermoelectric conversion element arranged to face the outer peripheral surface of the outer peripheral wall; a cylindrical member that circumferentially covers the honeycomb structure in which the thermoelectric conversion element is arranged; a casing arranged at an interval so as to form a flow path for a second fluid, the casing being arrange on a radially outer side of the cylindrical member; and a pressing member being configured to press the cylindrical member against the thermoelectric conversion element. The cylindrical member has one or more slit portions.Type: GrantFiled: October 18, 2021Date of Patent: April 18, 2023Assignee: NGK Insulators, Ltd.Inventors: Makoto Yoshihara, Ryushiro Akaishi, Tatsuo Kawaguchi
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Patent number: 11549416Abstract: A heating device for an exhaust system of an internal combustion engine and having: a tubular body, where a combustion chamber is obtained on the inside; a fuel injector, which is designed to inject fuel into the combustion chamber; at least one inlet opening, which can be connected to a fan so as to receive an air flow, which is directed to the combustion chamber; a feeding channel, which receives air from the inlet opening, surrounds an end portion of the fuel injector and ends with a nozzle, which is arranged around an injection point of the fuel injector; and a spark plug, which is mounted through a side wall of the tubular body. The feeding channel is delimited, on the outside, by an outer tubular body. The fuel injector is configured to spray at least part of the fuel against the outer tubular body, which has a through opening, through which a spray tip of the fuel injector letting out the fuel directly aims at the electrodes of the spark plug.Type: GrantFiled: December 21, 2021Date of Patent: January 10, 2023Assignee: MARELLI EUROPE S.P.A.Inventors: Marco La Sana, Emanuele Milani, Mauro Brignone, Luigi Lubrano
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Patent number: 11421577Abstract: An exhaust header with an integrated heat shield is disclosed. In one aspect of the disclosure, the exhaust header comprises a body including an inner wall that defines a cavity through which exhaust gases can be routed. An outer wall is integrally formed with, and radially offset from, the inner wall to define an air gap through which an airflow can be received at an input of the exhaust header and passed along a periphery of the body to collect thermal radiation and route it through an outlet duct. In some embodiments, the exhaust header is coupled to a turbocharger, which itself is coupled to an exhaust outlet of the body and separately, the air gap for effecting an airflow about the turbocharger's perimeter. Further, in various embodiments, the exhaust header is additively manufactured to produce the integrated heat shield and other header components.Type: GrantFiled: February 24, 2021Date of Patent: August 23, 2022Assignee: DIVERGENT TECHNOLOGIES, INC.Inventors: John Russell Bucknell, Michael Vasile, Michael Bolton
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Patent number: 11384673Abstract: An energy recovery system and a method of recovering energy are disclosed. In one arrangement, an exhaust gas conduit system guides a flow of exhaust gas generated by a combustion process. A heat exchange fluid circuit guides a flow of a heat exchange fluid. An electrical generator generates electrical power from the flow of heat exchange fluid. The heat exchange fluid circuit is configured so that heat is transferred from the exhaust gas to the heat exchange fluid while the exhaust gas is flowing through the exhaust gas conduit system.Type: GrantFiled: November 2, 2018Date of Patent: July 12, 2022Inventors: Kamaljit Singh Chana, Vikram Sridhar, Sunny Singh Chana, Michael Joseph Pekris
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Patent number: 11353267Abstract: A heat exchanger includes: a hollow pillar shaped honeycomb structure, a first cylindrical member, a second cylindrical member, a cylindrical guide member, and an upstream cylindrical member. A communication port is provided between the downstream end portion of the guide member and the second cylindrical member or at the guide member. The second cylindrical member has a horn shape in which a diameter of the upstream end portion of the second cylindrical member is increased radially outward. The upstream cylindrical member has a flange portion, and a rising position of the flange portion is located on a more downstream side than the upstream end portion of the first cylindrical member.Type: GrantFiled: June 11, 2020Date of Patent: June 7, 2022Assignee: NGK Insulators, Ltd.Inventors: Yutaro Fumoto, Tatsuo Kawaguchi
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Patent number: 11289636Abstract: An energy recovery unit (8) for use in a vehicle exhaust system (6) comprises an inlet (24) for receiving exhaust gas from the exhaust system (6); an outlet (26) for returning exhaust gas to the exhaust system (6); a thermoelectric generator (20) disposed between the inlet (24) and the outlet (26); and a valve arrangement operable to direct exhaust gas entering the inlet (24) across the thermoelectric generator (20) to enable the thermoelectric generator (20) to generate electrical energy from thermal energy contained in the exhaust gas, wherein the valve arrangement is operable to vary the direction of exhaust gas flow across the thermoelectric generator (20).Type: GrantFiled: April 6, 2017Date of Patent: March 29, 2022Assignee: Jaguar Land Rover LimitedInventor: William Hutchins
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Patent number: 11225898Abstract: A vehicle comprises an internal combustion engine including an engine body and a catalyst device and a carbon dioxide recovery device recovering carbon dioxide contained in the exhaust is provided. The engine body, catalyst device, and carbon dioxide recovery device are mounted in the vehicle so that relationships X1>X2 and X2>X3 stand where a distance from a mounting position of the engine body to a mounting position of the carbon dioxide recovery device is X1, a distance from a mounting position of the catalyst device to the mounting position of the carbon dioxide recovery device is X2, and a distance from a mounting position of the engine body to a mounting position of the catalyst device is X3.Type: GrantFiled: April 6, 2020Date of Patent: January 18, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koseki Sugiyama, Hiroshi Otsuki
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Patent number: 11189772Abstract: A thermoelectric power generator includes: a pipe in which a first fluid flows; a power generation module including a thermoelectric conversion element; and a holding member that is in contact with a one side part of the power generation module, such that heat of a second fluid that is higher in temperature than the first fluid transfers to the one side part of the power generation module. The holding member holds the power generation module and the pipe in a heat transferable state, such that the pipe is in contact with the other side part of the power generation module. The thermoelectric power generator includes a heat conductive component interposed between the holding member and the pipe to define a heat transfer course through which heat transfers from the second fluid to the first fluid, at downstream of the power generation module in a flowing direction of the second fluid.Type: GrantFiled: December 16, 2016Date of Patent: November 30, 2021Assignee: DENSO CORPORATIONInventors: Shinya Kitagawa, Yoshiyuki Okamoto, Takuya Matsuda
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Patent number: 11181024Abstract: The invention relates to method for operating an internal combustion engine that has at least two combustion chambers, of which at least one is operated at a substoichiometric air-fuel ratio and of which at least another is operated at a superstoichiometric air-fuel ratio. The outlet of the internal combustion engine is connected to an exhaust gas system in which a three-way catalytic converter is arranged in the flow direction of an exhaust gas through an exhaust gas channel, and an exhaust gas heat-recovery device is arranged downstream from the three-way catalytic converter.Type: GrantFiled: October 25, 2019Date of Patent: November 23, 2021Assignee: VOLKSWAGEN AKTIENGESELLSCHAFTInventors: Falk-Christian Baron Von Ceumern-Lindenstjerna, Stefan Paukner, André Horn, Michael Kaack, Thomas Maischik, Asmus Carstensen
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Patent number: 11152554Abstract: A thermoelectric conversion element includes an element body formed of a thermoelectric conversion material of a silicide-based compound, and electrodes each formed on one surface of the element body and the other surface opposite the one surface. The electrodes are formed of a sintered body of a copper silicide, and the electrodes and the element body are directly joined.Type: GrantFiled: March 15, 2019Date of Patent: October 19, 2021Assignee: MITSUBISHI MATERIALS CORPORATIONInventor: Yoshinobu Nakada
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Patent number: 11028744Abstract: The separation efficiency of carbon dioxide is improved by making the temperature of exhaust gas further low. An exhaust gas purification apparatus for an internal combustion engine includes a first heat exchanger arranged in an exhaust passage of an internal combustion engine and configured to carry out heat exchange between outside air and exhaust gas of the internal combustion engine, a second heat exchanger arranged in the exhaust passage and configured to carry out heat exchange between a circulating heating medium and the exhaust gas, and a carbon dioxide separator arranged in the exhaust passage at the downstream side of the first heat exchanger and the second heat exchanger and configured to separate carbon dioxide from the exhaust gas.Type: GrantFiled: October 2, 2019Date of Patent: June 8, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daisuke Hayashi, Kouseki Sugiyama
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Patent number: 10995641Abstract: The separation efficiency of carbon dioxide is improved by making the temperature of exhaust gas further low. An exhaust gas purification apparatus for an internal combustion engine includes a first heat exchanger arranged in an exhaust passage of an internal combustion engine and configured to carry out heat exchange between outside air and exhaust gas of the internal combustion engine, a second heat exchanger arranged in the exhaust passage and configured to carry out heat exchange between a circulating heating medium and the exhaust gas, and a carbon dioxide separator arranged in the exhaust passage at the downstream side of the first heat exchanger and the second heat exchanger and configured to separate carbon dioxide from the exhaust gas.Type: GrantFiled: October 2, 2019Date of Patent: May 4, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daisuke Hayashi, Kouseki Sugiyama
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Patent number: 10934911Abstract: An internal combustion engine includes a cylinder case forming a plurality of coolant outlets, and an exhaust log structure disposed on the cylinder case and including inner and outer walls defining a coolant jacket therebetween, a plurality of coolant inlets extending through the outer wall and being fluidly connected to the coolant jacket, and a plurality of transfer housings. Each transfer housing includes an inner housing wall forming a gas passage, an outer housing wall disposed at an offset distance around the inner housing wall such that a cooling passage is defined in a space between the inner and outer housing walls, and a coolant inlet and a coolant outlet in fluid communication with the cooling passage. The plurality of coolant inlets is fluidly connected to the plurality of coolant outlets via the cooling passages in the plurality of transfer housings.Type: GrantFiled: January 14, 2019Date of Patent: March 2, 2021Assignee: Caterpillar Inc.Inventors: Jeremy Byrd, Aaron L. Robinson, Craig P. Hittle, Keith W. Mellencamp
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Patent number: 10823111Abstract: An energy recovery unit (8) for use in a vehicle exhaust system (6), the energy recovery unit (8) comprising an inlet (24) for receiving exhaust gas from the exhaust system (6) and an outlet (26) for returning exhaust gas to the exhaust system (6). The energy recovery unit (8) further comprises a plurality of thermoelectric generators (20) disposed between the inlet (24) and the outlet (26), and a plurality of flow directing members (39). Each flow directing member (39) is configured to direct exhaust gas flow across at least one thermoelectric generator (20).Type: GrantFiled: April 6, 2017Date of Patent: November 3, 2020Assignee: JAGUAR LAND ROVER LIMITEDInventor: William Hutchins
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Patent number: 10738674Abstract: An apparatus and method for improving warm-up of a catalytic aftertreatment device is disclosed in which the flow to a catalyst brick is controlled using a flow control device so as to restrict the flow of exhaust gas to only a central core of the catalyst brick when rapid heating of the catalyst brick is desired to reach a light-off temperature and to otherwise allow the flow of exhaust gas to the entire front face of the catalyst brick. By restricting the area of the catalyst brick to which exhaust gas can flow the energy density of the exhaust gas flowing to the central core is higher than it is when there is no restriction of flow thereby reducing the time needed to warm-up the catalyst brick to a minimum light-off temperature.Type: GrantFiled: September 19, 2017Date of Patent: August 11, 2020Assignee: Ford Global Technologies, LLCInventor: William Gerald Barr
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Patent number: 10731608Abstract: A heat exchanger disposed in an exhaust heat recovery device exchanges heat between exhaust and cooling fluid. An inner shell of the heat exchanger externally surrounds an exhaust pipe and forms a heat exchange space between the inner shell and the exhaust pipe to accommodate arranged plates. An outer shell of the heat exchanger includes an EGR opening that leads the exhaust to an inlet system of an internal combustion engine. The outer shell forms an external space leading to the EGR opening between the outer shell and the inner shell. The inner shell includes at least one aperture area that communicates the heat exchange space with the external space.Type: GrantFiled: January 7, 2019Date of Patent: August 4, 2020Assignee: FUTABA INDUSTRIAL CO., LTD.Inventor: Yoshiki Tsuji
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Patent number: 10669909Abstract: An exhaust purification system is provided with a NOx-occlusion-reduction-type catalyst and a NOx purge rich control unit that executes NOx purge of reducing and purifying the occluded NOx by putting the exhaust into a rich state by fuel injection control, in a case where a catalyst temperature of the NOx-occlusion-reduction-type catalyst is equal to or higher than a catalyst temperature threshold value and a NOx occlusion amount of the NOx-occlusion-reduction-type catalyst is equal to or higher than an NOx occlusion amount threshold value, and executes the NOx purge even when the NOx occlusion amount is less than the NOx occlusion amount threshold value, in a case where the catalyst temperature is equal to or higher than a catalyst temperature threshold value which is greater than the catalyst temperature threshold value.Type: GrantFiled: March 16, 2016Date of Patent: June 2, 2020Assignee: ISUZU MOTORS LIMITEDInventors: Teruo Nakada, Takayuki Sakamoto, Daiji Nagaoka
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Patent number: 10665768Abstract: A thermoelectric conversion module package includes: a thermoelectric conversion module including a first and a second substrate opposed to each other, a plurality of thermoelectric elements arranged between the first and second substrates, and a first and a second lead wire drawn out from one of the first and second substrates; and a package including a first metal foil covering the first substrate of the thermoelectric conversion module, a second metal foil covering the second substrate of the thermoelectric conversion module, a resin portion hermetically connecting the first metal foil and the second metal foil along an outer edge portion of the thermoelectric conversion module, and an insertion portion for hermetically passing the first and second lead wires through the resin portion.Type: GrantFiled: October 12, 2018Date of Patent: May 26, 2020Assignees: YAMAHA CORPORATION, TOPPAN PRINTING CO., LTD., TOYOTA TSUSHO CORPORATIONInventors: Tetsutsugu Hamano, Takahiro Hayashi, Yuma Horio, Tomoaki Taniguchi, Yuki Muroi, Takashi Nakamura
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Patent number: 10605145Abstract: An assembly includes a heat exchanger, a bypass conduit defining a path for passage for the exhaust gases and bypassing the heat exchanger, and a valve adjusting the amounts of exhaust gases circulating through the heat exchanger and through the bypass conduit respectively. The valve has a driving shaft, and the assembly further comprises a fluid box that is in fluid communication with a heat transfer fluid circulation side of the heat exchanger and arranged around the driving shaft to cool the driving shaft.Type: GrantFiled: February 23, 2018Date of Patent: March 31, 2020Assignee: Faurecia Systemes D'EchappementInventor: Frederic Greber
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Patent number: 10519838Abstract: Described herein is a unit for conversion of thermal energy designed in particular for installation along an exhaust-gas line of a motor vehicle and configured for exchange and conversion of the thermal energy of the exhaust gases.Type: GrantFiled: November 1, 2017Date of Patent: December 31, 2019Assignee: C.R.F. Societa Consortile per AzioniInventors: Alex Rinaldi, Silvano Sandri, Paolo Graziano
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Patent number: 10502118Abstract: An exhaust heat recovery device includes: a first pipe through which exhaust gas from an engine flows; a second pipe that communicates with the first pipe and bypasses the first pipe; a heat recovery unit that is disposed at an interior of the second pipe, and that exchanges heat between the exhaust gas and cooling water that circulates at an interior of the heat recovery unit, and that recovers heat of the exhaust gas; and a heat transfer suppressing mechanism that is provided at a portion connecting the first pipe with the second pipe, and that suppresses transfer of heat from the first pipe to the second pipe.Type: GrantFiled: March 31, 2017Date of Patent: December 10, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Toshio Murata, Tadashi Nakagawa, Kazunari Matsuura
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Patent number: 10465595Abstract: An apparatus and method of cooling an engine exhaust generated by an engine of a work machine having a hydraulically operated implement. The work machine includes an emission control system and a cooling system having an oil cooling system configured to cool an oil of a hydraulic system and an engine cooling system configured to cool an engine coolant circulating through the engine. An exhaust pipe, coupled to the emission control system and configured to direct engine exhaust, includes an outlet disposed in a space located between an oil cooler of the oil cooling system and a radiator of the engine cooling system. An air displacement device is configured to draw air into and away from the oil cooler and the radiator and to draw the exhaust from the exhaust pipe. Exhaust from the exhaust pipe is drawn past the oil cooler and the radiator to cool the exhaust.Type: GrantFiled: April 10, 2018Date of Patent: November 5, 2019Assignee: DEERE & COMPANYInventors: Thomas Kennedy, Kevin W. Campbell, Paul A. Wantschik, Travis Graber, Kal J. Airey
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Patent number: 10428722Abstract: A temperature management method for a hybrid vehicle which includes: a flow rate control valve controlling flow of coolant to an engine, a heater, a heat exchanger, and a radiator; and an exhaust heat recovery device coupled to the flow rate control valve via the heater, the exhaust heat recovery device performing heat exchange between the coolant received from the heater and exhaust gas received from the engine, and supplying the heat-exchanged coolant to the engine, includes: identifying whether the heater is on or off; and identifying at least one of an outside air temperature, a coolant temperature, or an oil temperature and operating the flow rate control valve in a flow stop mode to prevent the coolant of the engine from discharging.Type: GrantFiled: November 29, 2017Date of Patent: October 1, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Seung Bum Kim
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Patent number: 10415444Abstract: An exhaust conduit for a marine exhaust system includes an inlet end portion connectable to an exhaust manifold, an outlet end portion that directs exhaust gases toward an exhaust system outlet, a catalytic converter assembly arranged between the inlet and outlet end portions, and inner and outer tubes. The inner tube directs exhaust gases from the exhaust manifold to the catalytic converter assembly, and the outer tube surrounds the inner tube to define a cooling liquid passage between the inner and outer tubes. A flange is secured to the inner and outer tubes at inlet ends thereof, the flange being connectable to an outlet of the exhaust manifold. The inner tube has a uniform diameter between the flange and the catalytic converter assembly, and is welded to the flange independently of the outer tube. First and second welds join the inner and outer tubes to the flange at radially inner and outer faces, respectively, of a flange rim.Type: GrantFiled: March 20, 2018Date of Patent: September 17, 2019Assignee: Indmar Products Company Inc.Inventors: Jason C. Stimmel, Richard J. Waggoner, Kevin J. Kimball, Rachel M. Mashburn, Timothy G. Anderson, Timothy G. Maher
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Patent number: 10330033Abstract: Methods and systems are provided for exhaust gas heat recovery using a bottoming cycle comprising an exhaust heat exchanger. In one example, a method may include maintaining a target thermal energy input to the heat exchanger by opportunistically flowing exhaust through the heat exchanger after storing a portion of thermal energy from the exhaust in a thermal storage device or prior to flowing exhaust through the heat exchanger, heating the exhaust by drawing thermal energy from the thermal storage device.Type: GrantFiled: December 1, 2016Date of Patent: June 25, 2019Assignee: Ford Global Technologies, LLCInventor: Quazi Ehtesham Hussain
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Patent number: 10260396Abstract: An exhaust system for a motor vehicle, with an exhaust pipe for discharging exhaust of a device that produces an exhaust. A heat accumulator, which surrounds the exhaust pipe in the peripheral direction with respect to a longitudinal central axis of the exhaust pipe, is present, at least in regions thereof, and, in the radial direction between the exhaust pipe and the heat accumulator over at least a portion of the longitudinal extension the heat accumulator, a cross-section adjusting element for adjusting a passage cross section is arranged between the exhaust pipe and the heat accumulator. The cross-section adjusting element has a first holed pipe, which surrounds the exhaust pipe, and a second holed pipe, which surrounds the first holed pipe. The first holed pipe and the second holed pipe can be shifted in position relative to each other for adjusting the passage cross section.Type: GrantFiled: March 16, 2018Date of Patent: April 16, 2019Assignee: AUDI AGInventors: Karl Jägle, Thomas Hoffmann, Markus Störmer, Alexander Berringer
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Patent number: 10138760Abstract: A working fluid collecting apparatus for a Rankine cycle waste heat recovery system includes a storage tank for storing a working fluid circulated in a Rankine cycle therein, and a collection means for collecting the working fluid into the storage tank.Type: GrantFiled: June 8, 2016Date of Patent: November 27, 2018Assignee: HYUNDAI MOTOR COMPANYInventor: Jung Min Seo
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Patent number: 10082059Abstract: A system for recovering electrical energy and water from exhaust gasses. The system includes a thermoelectric generator to produce electricity from the waste heat of the exhaust gasses of internal combustion engines and the like. The exhaust is cooled by the thermoelectric generator, air cycle machine and other heat absorbing devise which, through work, reduce the exhaust gas temperature and promote condensation of the water.Type: GrantFiled: July 19, 2016Date of Patent: September 25, 2018Assignee: Borla Performance Industries, Inc.Inventor: Alexander Borla
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Patent number: 10077703Abstract: An exhaust heat recovery device structure that includes: an exhaust heat recovery device main body that is disposed at an inner side of a floor tunnel formed at a vehicle transverse direction central portion of a floor panel, the exhaust heat recovery device main body carrying out heat exchange between cooling water and gas that is generated at an internal combustion engine of a vehicle; and a metal pipe that extends-out from the exhaust heat recovery device main body, the metal pipe being connected to one end of a resin hose whose another end is connected to the internal combustion engine, the connected portion that connects the metal pipe with the resin hose being provided to the metal pipe further toward a vehicle lower side than the exhaust heat recovery device main body, is provided.Type: GrantFiled: July 13, 2016Date of Patent: September 18, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Toshio Murata, Masakazu Shinkai, Takeshi Oya
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Patent number: 9733029Abstract: A cooling system for a vehicle may include a cooling water temperature sensor, a cooling circulation fluid passage including first, second and third fluid passages, wherein the cooling water exhausted from the engine may be branched into the first fluid passage provided with a heater core, the second fluid passage provided with a radiator, and the third fluid passage provided with an exhaust heat recovery apparatus, a fluid flow adjusting valve provided on a point at which the cooling water passing through the cooling water temperature sensor may be branched into the first fluid passage to the third fluid passage to adjust a flow of the cooling water, and a controlling part controlling the first fluid passage to the third fluid passage to be selectively opened or closed by operating the fluid flow adjusting valve depending on the temperature of the cooling water, in a heating mode and a non-heating mode.Type: GrantFiled: November 26, 2014Date of Patent: August 15, 2017Assignee: Hyundai Motor CompanyInventor: Jun Yong Lee
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Patent number: 9702292Abstract: In an exhaust heat recovery device, exhaust gas flows out from a heat exchange outflow port into a heat exchange passage. The exhaust gas having flowed out into the heat exchange passage flows in a radial direction from an inner side to an outer side of a heat exchanger to reach a second heat exchange passage from a first heat exchange passage. A heat exchange is performed in the heat exchanger while the exhaust gas flows.Type: GrantFiled: July 19, 2013Date of Patent: July 11, 2017Assignee: FUTABA INDUSTRIAL CO., LTD.Inventors: Arata Kobayashi, Hirohisa Okami
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Patent number: 9562454Abstract: The invention relates to an exhaust-gas treatment device for processing exhaust gas from a combustion aggregate, especially a diesel engine. Moreover, the present invention relates to a method for processing exhaust gas from a combustion aggregate by means of selective catalytic reaction, and it also relates to a motor vehicle in which the method according to the invention is implemented or which has the exhaust-gas treatment device according to the invention. It is provided that the exhaust-gas treatment device comprises an exhaust-gas system and, arranged in it, an oxidation catalyst, a reduction catalyst for selective catalytic reduction, and a particle filter, whereby the oxidation catalyst is arranged upstream from the reduction catalyst and the reduction catalyst is arranged upstream from the particle filter.Type: GrantFiled: August 8, 2012Date of Patent: February 7, 2017Assignee: VOLKSWAGEN AKTIENGESELLSCHAFTInventor: Jörg Sprute
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Patent number: 9328657Abstract: Various systems and method for heating an engine in a vehicle are described. In one example, intake air flowing in a first direction may be heated via a gas-to-gas heat exchange with exhaust gases. The heated intake air may then be used in a subsequent gas-to-liquid heat exchange to heat a fluid circulating through the engine. In another example, intake air flowing in a second direction may be heated via a heat exchange with exhaust gases in order to cool an exhaust catalyst.Type: GrantFiled: November 18, 2013Date of Patent: May 3, 2016Assignee: Ford Global Technologies, LLCInventors: Joseph Norman Ulrey, Ross Dykstra Pursifull, Thomas G. Leone
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Patent number: 9194267Abstract: Arrangement for introducing a liquid medium into exhaust gases from a combustion engine, comprising a mixing duct, a first flow guide for creating a first exhaust vortex in the mixing duct such that the exhaust gases in this first exhaust vortex rotate in a first direction of rotation during their movement downstream in the mixing duct, an injector for injecting the liquid medium in the form of a finely divided spray into exhaust gases which are led into the liquid medium in an exhaust flow at the center of the first vortex, and a second flow guide for creating a second exhaust vortex in the mixing duct concentrically with and externally about the first vortex, such that the exhaust gases in this second vortex rotate in a second direction of rotation, which is opposite to said first direction of rotation, during their movement downstream in the mixing duct.Type: GrantFiled: October 4, 2011Date of Patent: November 24, 2015Assignee: SCANIA CV ABInventor: Peter Loman
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Patent number: 9169756Abstract: An exhaust gas cooler for cooling combustion exhaust gas of an internal combustion engine having a cooling medium, wherein the exhaust gas cooler has an exhaust gas inlet for introducing hot combustion exhaust gas into the exhaust gas cooler. Furthermore, the exhaust gas cooler has an exhaust gas outlet for directing cooled combustion exhaust gas out of the exhaust gas cooler, wherein the exhaust gas outlet is fluidically connected to the exhaust gas inlet. Furthermore, the exhaust gas cooler has at least one coolant inlet for fluidically connecting the exhaust gas cooler to at least one coolant outlet of the internal combustion engine. Furthermore, the exhaust gas cooler has an interface for fluidically connecting a water collecting adapter, wherein the interface is designed to carry the coolant out of the exhaust gas cooler.Type: GrantFiled: October 21, 2013Date of Patent: October 27, 2015Assignee: MAHLE International GmbHInventors: Wolfgang Bucher, Oliver Grill
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Patent number: 9163548Abstract: An exhaust system for an engine is provided herein. The exhaust system includes an emission control device and an exhaust manifold having a plurality of runners merging at a confluence section positioned upstream of the emission control device. The exhaust system further includes a mixer plate positioned in the confluence section, the mixer plate including a central opening and a plurality of louvered vents positioned axially around the central opening, the louvered vents having angled openings facing a common rotational direction.Type: GrantFiled: October 2, 2013Date of Patent: October 20, 2015Assignee: Ford Global Technologies, LLCInventors: Cornelius Langston Henderson, IV, Ray Host, Michael Collareno, George I. Tapos, Christopher Oberski
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Patent number: 9115619Abstract: A thermoelectric generator of a vehicle converts thermal energy of exhaust gas of an engine into electric energy by using a thermoelectric phenomenon, and may include: a high-temperature part heated by exchange heat and a plurality of pairs of heat transfer plates mounted on an outer peripheral surface of an exhaust pipe at a predetermined interval; pairs of thermoelectric modules acquired by bonding a P-type semiconductor and an N-type semiconductor, interposed between the pairs of heat transfer plates to generate electricity, and electrically connected to each other; and a low-temperature part interposed between the pairs of thermoelectric modules and cooling inner surfaces of the pairs of thermoelectric modules. The plurality of thermoelectric modules generates electricity by a difference in temperature between heated outer surfaces and cooled inner surfaces. Thermoelectric efficiency is improved and a small-sized thermoelectric generator of a vehicle may be implemented.Type: GrantFiled: November 29, 2012Date of Patent: August 25, 2015Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, SEJONG IND. CO. LTD.Inventors: Ho-Chan An, Jong-Ho Seon, Ho-Cheol Seo, Sung-Ool Jang
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Patent number: 9091203Abstract: An apparatus to use waste heat from an internal combustion engine in a vehicle, wherein the apparatus has an exhaust gas line to remove exhaust gases from the internal combustion engine, the exhaust gas line is thermally connected to a high-temperature side of a thermoelectric generator, and a latent heat accumulator is thermally connected to the high-temperature side of the thermoelectric generator.Type: GrantFiled: February 22, 2012Date of Patent: July 28, 2015Assignee: Bombardier Transportation GmbHInventors: Karlheinz Geradts, Werner Sonnleitner
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Publication number: 20150135690Abstract: The invention relates to a system for recovering energy in an exhaust gas circuit (3) of a heat engine (1) of a vehicle, said system comprising an exhaust gas bypass duct (15) comprising a heat exchanger (18). An energy recovery system according to the invention is mainly characterised by the fact that the part of the exhaust circuit arranged downstream of the connection point (17) of the bypass duct (15) for connecting to said circuit (3) is provided with a valve (16) that can at least partially close the exhaust circuit (3), and the by-pass duct (15) comprises, at the outlet of the exchanger (18), a first pipeline (20) running into the admission circuit (2, 6) and a second pipeline (21) running into the exhaust circuit (3) downstream of the valve (16).Type: ApplicationFiled: April 26, 2013Publication date: May 21, 2015Inventors: Grégory Hodebourg, Samuel Leroux