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公开(公告)号：US11420549B1
公开(公告)日：2022-08-23
申请号：US17300779
申请日：2021-11-05
摘要： One embodiment of exhaust component (30) contains a shield (40). The shield being opaque allows indefinite designs to be cut out. These designs are illuminated by illumination assembly (36), which enhances cutouts (44), thereby allowing them to remain visible under all conditions. Another embodiment of the exhaust component without the shield contains illumination modules (58). These modules illuminate the exhaust component's mouth (32) through base (22) or outer wall (34), and this allows the shape of the exhaust component to be the design feature. The illumination of the mouth both enhances the shape and allows it to remain visible under all conditions. These embodiments can occur alone or together for both maximal design enhancement and additional visibility of the vehicle thereby increasing safety.
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公开(公告)号：US20220220873A1
公开(公告)日：2022-07-14
申请号：US17552273
申请日：2021-12-15
发明人： Tetsuo MURAOKA
摘要： An exhaust device for guiding exhaust gas from an exhaust pipe in front of an engine to a muffler in a rear of the engine is provided. The exhaust device includes a catalyst case in which a catalyst configured to purify the exhaust gas that passes through the exhaust pipe is accommodated, and a chamber in which a muffling chamber configured to reduce an exhaust noise is formed downstream of the catalyst case. The catalyst case is disposed in a range from a front space with respect to the engine to a front part of a lower space of the engine. The chamber is disposed so as to occupy at least a rear part of the lower space of the engine.
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公开(公告)号：US11378038B2
公开(公告)日：2022-07-05
申请号：US16722726
申请日：2019-12-20
发明人： Lawrence A. Binek , Jesse R. Boyer
摘要： An exhaust duct for an engine includes an outer exhaust duct and a nested exhaust duct capable of having at least two configurations. The nested exhaust duct is circumferentially surrounded by the outer exhaust duct for a first length of the nested exhaust duct in a first configuration. The nested exhaust duct is circumferentially surrounded by the outer exhaust duct for a second length of the nested exhaust duct in a second configuration, which is less than the first length.
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公开(公告)号：US11326502B2
公开(公告)日：2022-05-10
申请号：US17139143
申请日：2020-12-31
申请人： Geum Pyo Hong
发明人： Geum Pyo Hong
IPC分类号： F01N13/08
摘要： Provided is an exhaust fumes reduction device for an internal combustion engine. The device reduces the generation of exhaust fumes and improves output and fuel efficiency by smoothing the discharge flow of exhaust gas in a state additionally mounted at the end of an exhaust line of an internal combustion engine. The exhaust fumes reduction device includes; a housing pipe connected to the end of the exhaust port to discharge exhaust gas; a vortex pipe mounted inside the housing pipe to increase the speed of the exhaust gas introduced into the housing pipe and discharge the exhaust gas spirally; and an external pipe mounted on the outside of the housing pipe and in communication with the housing pipe to allow the outside air to flow in and to assist the smooth discharge of exhaust gas discharged to the housing pipe.
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公开(公告)号：US11326501B2
公开(公告)日：2022-05-10
申请号：US16666277
申请日：2019-10-28
申请人： David Akiba Borla
发明人： David Akiba Borla
摘要： A cross-pipe exhaust assembly includes: a first inlet collector splitting into an upper outlet and a lower outlet; a second inlet collector splitting into an upper outlet and a lower outlet; a first outlet collector joining an upper inlet and a lower inlet into a single outlet of the first outlet collector; a second outlet collector joining an upper inlet and a lower inlet into a single outlet of the second outlet collector; a first inline conduit located between the first inlet collector and the first outlet collector; a second inline conduit located between the second inlet collector and the second outlet collector; a first crossover conduit extending between the first inlet collector and the second outlet collector; and a second crossover conduit extending between the second inlet collector and the first outlet collector.
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公开(公告)号：US20220112829A1
公开(公告)日：2022-04-14
申请号：US17467782
申请日：2021-09-07
发明人： Tatsuya Hatanaka
摘要： A secondary air introduction device is configured to supply air into an exhaust passage of an engine to combust unburned gas contained in exhaust gas. The secondary air introduction device includes: an air introduction passage configured to introduce air into the exhaust passage; and a secondary air valve configured to be attached to an outer surface of a cylinder head of the engine and to control opening and closing of the air introduction passage. The secondary air valve is configured to be attached to an outer lateral surface of the cylinder head on one side in an axial direction of a crankshaft, and the secondary air valve includes an air introduction inlet formed in a position opposite to the outer lateral surface of the cylinder head in the axial direction of the crankshaft.
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公开(公告)号：US20220088562A1
公开(公告)日：2022-03-24
申请号：US17467456
申请日：2021-09-07
发明人： Toshinori OKI
摘要： A catalyst device includes a heating element that generates heat when energized, a case that accommodates a catalyst support (heating element), an inflow pipe that draws exhaust gas into the case, and a connecting pipe that connects the inflow pipe and the case to each other. The case includes an end portion, which protrudes further in an upstream direction than an end face of the catalyst support. The inflow pipe is disposed inside the case. The catalyst device includes a triple-walled pipe structure, in which the connecting pipe overlaps with the end portion of the case and the inflow pipe in a covering manner.
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公开(公告)号：US11268430B2
公开(公告)日：2022-03-08
申请号：US16250419
申请日：2019-01-17
发明人： Guangchun Quan
摘要： An exhaust component for a motor vehicle with improved corrosion resistance, including an internal volume, an inlet for receiving exhaust gas, and an outlet for expelling exhaust gas. The exhaust component includes at least one wall that is made of a diffusion surface alloyed metal sheet. The diffusion surface alloyed metal sheet comprises a secondary metal that is formed to a primary metal substrate by diffusion. A weld bead is applied to at least one of the edges of the diffusion surface alloyed metal sheet for edge protection or to join the edge of the diffusion surface alloyed metal sheet to another diffusion surface alloyed metal sheet. The weld bead includes a high chromium content filler metal to protect the weld bead and the primary metal substrate at the weld joint from corrosion.
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公开(公告)号：US11268429B2
公开(公告)日：2022-03-08
申请号：US16250388
申请日：2019-01-17
发明人： Guangchun Quan , Michael Golin
IPC分类号： F01N13/16 , F01N13/08 , F01N13/18 , B32B15/01 , F01N3/24 , C23C10/04 , C22C38/18 , C23C10/32
摘要： An exhaust component for a motor vehicle with improved corrosion resistance, including a housing with outer walls that define an internal volume and one or more inner walls that divide the internal volume into an exhaust chamber and an interior chamber. The interior chamber is isolated from the exhaust chamber and the external environment. At least part of one outer wall or one inner wall is made of a diffusion surface alloyed metal sheet. The diffusion surface alloyed metal sheet comprises a secondary metal that is formed to a primary metal substrate by diffusion. The diffusion surface alloyed metal sheet includes edges that are oriented toward and exposed to the interior chamber. As a result, the primary metal substrate at the edges of the diffusion surface alloyed metal sheet is protected from exposure to corrosives such as salt spray in the external environment and urea in the exhaust chamber respectively.
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40.发明申请公开(公告)号：US20220056827A1
公开(公告)日：2022-02-24
申请号：US17142417
申请日：2021-01-06
发明人： Hyeon-Gyun AHN
摘要： A method for automatically changing the engine exhaust sound in conjunction with the traveling mode implemented by the exhaust system applied to the vehicle may vary the valve opening of an electronic variable valve provided in a first tail pipe of first and second tail pipes of muffler discharging the exhaust gas coming from an engine by a mode recognition logic connected to an engine ECU to the atmosphere, and control the variation of the valve opening with the engine torque and the engine RPM based on a change in an accelerator pedal stroke in any one of a SMART DRIVE MODE-ECO state, a SMART DRIVE MODE-COMFORT state, and a SMART DRIVE MODE-SPORT state, implementing a quiet engine exhaust sound and a sporty engine exhaust sound depending on various vehicle traveling states provided by the SMART DRIVE MODE and increasing vehicle/engine outputs.
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