Patents Examined by Anthony Ayala Delgado
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Patent number: 11480080Abstract: Provided is a muffler that can reduce sound pressure of a standing wave in an outlet pipe and, at the same time, can inhibit generation of flow noise. In one aspect of the present disclosure, the muffler includes a housing, an outlet pipe, a cover that covers the outlet pipe. The outlet pipe includes an outlet end and at least one communication hole. The outlet end opens into the housing. The at least one communication hole is formed in an outer circumferential surface of the outlet pipe. The cover includes a wall portion and an opening. The wall portion is disposed to overlap with the at least one communication hole in a radial direction of the outlet pipe. The opening communicates the at least one communication hole and an internal space of the housing with each other.Type: GrantFiled: January 23, 2020Date of Patent: October 25, 2022Assignee: FUTABA INDUSTRIAL CO., LTD.Inventors: Seiji Kondo, Shinnosuke Toichi, Katsuhiko Kainuma
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Patent number: 11480542Abstract: A particulate matter sensor includes a shield through which exhaust gases flow in a direction of flow from upstream to downstream. A sensing element with a positive electrode and a negative electrode separated from the positive electrode by an electrode gap is located within the shield. The positive electrode includes a plurality of positive electrode branches each having positive electrode extensions extending downstream and separated from each other by positive electrode slots. A positive electrode extension tip for each has a positive electrode extension tip width. The negative electrode includes negative electrode branches each having negative electrode extensions extending upstream which are each flanked on each side thereof by a plurality of negative electrode slots. A negative electrode extension tip for each has a negative electrode extension tip width. A sum of the positive electrode extension tip widths is greater than a sum of the negative electrode extension tip widths.Type: GrantFiled: November 26, 2019Date of Patent: October 25, 2022Assignee: Delphi Technologies IP LimitedInventors: Charles S. Nelson, Gopinath Penamalli
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Patent number: 11480086Abstract: A heating device comprises a heating element having a central area and a peripheral edge. The heating element has a series of slots delimiting a series of longitudinal branches connected to one another by elbows. The central area is made of a first electrically conductive material that is permeable to exhaust gases and has a first relative density. The elbows are located in the peripheral edge and are made of a second electrically conductive material and that has a second relative density greater than the first relative density.Type: GrantFiled: June 23, 2021Date of Patent: October 25, 2022Inventors: Gaëtan Richard, Ting Feng, Thomas Ferrier
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Patent number: 11473574Abstract: A fluid transfer pump that has a housing, a body portion movable within the housing between a first position and a second position, a gear coupled to the housing, a body cavity defined partially between the body portion and the housing, and an aperture defined in the housing that selectively provides a fluid to the body cavity. When the fluid is applied to the body cavity at or above a pilot pressure, the body portion is in the first position adjacent to the gear and when the fluid is applied to the body cavity at a fluid pressure lower than the pilot pressure, the body portion is in the second position and spaced from the gear.Type: GrantFiled: May 11, 2021Date of Patent: October 18, 2022Assignee: DEERE & COMPANYInventors: Robert C. Emmert, Thomas W. Butts
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Patent number: 11459930Abstract: Operating a combustion engine with an exhaust gas aftertreatment system. In one example, a method includes determining a level of at least one exhaust gas component using a theoretical catalytic converter model in which at least one signal of a first exhaust gas sensor is input as a first signal, detecting a signal of a second exhaust gas sensor downstream of the exhaust gas catalytic converter as a second signal, determining a deviation of the second signal from a target signal, reinitializing the catalytic converter model if the deviation of the second signal from the target signal exceeds a predetermined threshold value, regulating the level by setting an air-fuel mixture supplied to the combustion engine according to a target level based on the determined level, determining a deviation between the first and the second signals, and correcting the first signal.Type: GrantFiled: October 4, 2021Date of Patent: October 4, 2022Assignee: Robert Bosch GmbHInventor: Michael Fey
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Patent number: 11459932Abstract: An arrangement for fastening a tailpipe cover to a tailpipe is disclosed. The arrangement has a tailpipe cover, a tailpipe and a bracket. The bracket is arranged on the tailpipe cover. The tailpipe cover can be latched here to the tailpipe at a tailpipe projection, which is arranged on the tailpipe, by the bracket being deflected laterally in the circumferential direction of the tailpipe cover.Type: GrantFiled: February 12, 2020Date of Patent: October 4, 2022Assignee: Cisma Solutions ApSInventors: Sebastian Reissig, Raul Jurj, Sebastian Radtke
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Patent number: 11454155Abstract: An exhaust system including: an exhaust pipe including a straight portion, and a bent portion that is bent and extends from a downstream end of the straight portion; a muffler provided on a downstream side of the exhaust pipe; and a reinforcing member, wherein: the straight portion of the exhaust pipe is connected with an upstream end of the muffler through the bent portion; and the reinforcing member is provided so as to extend across a downstream end portion of the straight portion, and an upstream end portion of the muffler.Type: GrantFiled: October 22, 2018Date of Patent: September 27, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinichiro Hattori, Kozo Suzuki
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Patent number: 11453998Abstract: An exhaust mechanism includes an exhaust pipe, an exhaust port, and a baffle plate. The exhaust pipe has one end connected to an engine and another end opposite to the one end along a length of the exhaust pipe. The exhaust port is provided at another end of the exhaust pipe and extends in a first direction inclined from the height direction along a height of the work vehicle. A length of the exhaust port in the height direction is shorter than a length of the exhaust port in the transverse direction perpendicular to a plane including the first direction and the height direction. The baffle plate is provided in the exhaust port and configured to change an exhaust gas flow from the first direction to the transverse direction.Type: GrantFiled: April 8, 2021Date of Patent: September 27, 2022Assignee: KUBOTA CORPORATIONInventors: Taketo Kimura, Yusuke Hada
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Patent number: 11448114Abstract: An exhaust tract for an internal combustion engine. The exhaust tract has a pipe which is connected for through flow to an exhaust manifold of the internal combustion engine. The exhaust line includes, downstream of the exhaust manifold, a purification unit for reducing pollutant emissions of the internal combustion engine. The purification unit includes at least one catalytic converter, an electrically heatable heating catalytic converter and a supporting catalytic converter supporting the heating catalytic converter. The heating catalytic converter and the supporting catalytic converter are of annular design. The heating catalytic converter is designed for a 48 volt power supply in order to reduce single-cylinder lambda effects.Type: GrantFiled: July 13, 2021Date of Patent: September 20, 2022Inventor: Jonathan Pickett
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Patent number: 11441473Abstract: A clampless tail pipe assembly may include a base having a longitudinal axis and spring elements spaced about the base. Each spring element may have a body with a first end and a second distal end. The second distal end may comprise a first inner locking tooth. The spring element body may include sequential proximate portions. A first portion may be connected to the base, substantially linear, and substantially parallel to the longitudinal axis. A second portion may be arcuate. A third portion may be substantially linear and substantially parallel to the longitudinal axis. A fourth portion may be angled relative to the longitudinal axis. A fifth portion may be angled relative to the longitudinal axis, and the angle may be different than the angle of the fourth portion relative to the longitudinal axis. A sixth portion may be angled relative to the longitudinal axis.Type: GrantFiled: February 24, 2020Date of Patent: September 13, 2022Assignee: AMG Industries, LLCInventors: Dirk K. Kaiser, Doug A. Spangler, Les S. Griswold, Dragan Maric
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Patent number: 11439951Abstract: A control system for a vehicle having a CO2 capturing device configured to capture CO2 certainly from gas streams. The CO2 captured by the CO2 capturing device is desorbed from the CO2 capturing device by an energy available in the vehicle. A controller is configured to discharge the CO2 captured by the CO2 capturing device into the recovery station by energy delivered from the recovery station to the CO2 capturing device when the energy available in the vehicle is less than a predetermined value.Type: GrantFiled: August 17, 2020Date of Patent: September 13, 2022Assignee: Toyota Jidosha Kabushiki KaishaInventors: Kouseki Sugiyama, Jun Miyagawa, Daiki Yokoyama
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Patent number: 11440405Abstract: In a method for operating a motor vehicle having an internal combustion engine, pre-heating measures (7) for reaching operating temperatures for components of the exhaust-gas post-treatment system and/or for a lambda probe of the motor vehicle are provided prior to the departure (10) of the motor vehicle. The activation of a transducer (1) by a driver of the motor vehicle for explicitly announcing an impending departure of the motor vehicle is provided as the trigger for the pre-heating measures (7), in particular for avoiding an unnecessary initiation of pre-heating measures.Type: GrantFiled: March 13, 2020Date of Patent: September 13, 2022Assignee: Robert Bosch GmbHInventors: Frank Meier, Frank Brenner, Michael Nau
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Patent number: 11428132Abstract: A method for operating a drive device which includes a drive unit and an exhaust gas purification device arranged in an exhaust gas line for purifying exhaust gas from the drive unit. The exhaust gas purification device is heated at least temporarily by an electrical heating assembly, which includes a heating element for heating a fluid and a bypass line branching off the exhaust gas purification device from the exhaust gas line on the one hand and opening into it on the other hand, in which a fluid pump for conveying the fluid through the exhaust gas purification device is arranged.Type: GrantFiled: November 22, 2019Date of Patent: August 30, 2022Assignee: AUDI AGInventors: Matthew David Hall, Guido Schiedt
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Patent number: 11421576Abstract: An exhaust gas system for an internal combustion engine of a single-track vehicle can be arranged on an exhaust gas outlet of a cylinder head. A first lambda probe close to the cylinder head is provided in the exhaust gas system and is arranged before an exhaust gas cleaning system in the flow direction of an exhaust gas. A second lambda probe is provided in the exhaust gas system after the exhaust gas cleaning system in the flow direction of the exhaust gas. The second lambda probe is arranged at a maximum distance away from the exhaust gas cleaning system equal to four times the diameter of the exhaust gas cleaning system. As a result of the design, the lambda probe is arranged in the non-visible region of the single-track vehicle, while simultaneously examining the quality of the exhaust gas cleaning.Type: GrantFiled: October 21, 2019Date of Patent: August 23, 2022Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Uli Bluemelhuber, Carina Hoefler
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Patent number: 11415039Abstract: There is provided a structure including: a substrate including a first and a second ends, and a porous partition wall defining a first and a second cells extending between the first and the second ends; a first catalyst; and a second catalyst. In a first area, the first catalyst is disposed on a first surface of the partition wall, and the partition wall with the first catalyst disposed on the partition wall is impermeable to gas. In a second area, the first catalyst is not provided, the second catalyst is disposed in a region including at least a part inside the partition wall, the part facing the first cell, and the partition wall with the second catalyst disposed in the partition wall is permeable to gas. In a third area, any of the first catalyst or the second catalyst is not provided, and the partition wall is permeable to gas.Type: GrantFiled: April 17, 2020Date of Patent: August 16, 2022Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATIONInventors: Koji Sugiura, Hiromasa Nishioka, Naoto Miyoshi, Akemi Sato, Masatoshi Ikebe, Ryota Nakashima, Yasutaka Nomura
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Patent number: 11408313Abstract: An exhaust device for an internal combustion engine of a saddled vehicle includes an exhaust muffler disposed on an outer side of a rear wheel so as to overlap the rear wheel when viewed from a side a muffler protector which covers the muffler. The muffler protector includes an inner protector half body covering the exhaust muffler from the rear wheel side and an outer protector half body covering the exhaust muffler from a vehicle outer side opposite to the rear wheel The inner protector half body is detachably mounted on the exhaust muffler or the outer protector half body while maintaining a state in which the outer protector half body is mounted on the exhaust muffler.Type: GrantFiled: March 27, 2017Date of Patent: August 9, 2022Assignee: Honda Motor Co., Ltd.Inventors: Hiroshi Mahira, Masahiro Kontani
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Patent number: 11371407Abstract: An after treatment method is disclosed. The after treatment method may include: operating an engine at a lean air/fuel ratio; calculating an amount of NH3 stored in an SCR catalyst; calculating an amount of NOx which will flow into the SCR catalyst; determining whether conversion to a rich air/fuel ratio is desired; calculating, when the conversion to the rich air/fuel ratio is desired, a rich duration for which the rich air/fuel ratio is maintained and a target air/fuel ratio; and operating the engine at the target air/fuel ratio for the rich duration.Type: GrantFiled: March 19, 2021Date of Patent: June 28, 2022Assignees: HYUNDAI MOTOR COMPANY, Kia Motors CorporationInventors: Nahm Roh Joo, Chang Hwan Kim, ChangHo Jung
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Patent number: 11365668Abstract: A mixer assembly unit, especially for an exhaust system of an internal combustion engine of a vehicle, includes a mixer body (48a) with an incoming flow side (58a) and with an outflow side (60a) and with a plurality of flow deflection elements (62b). A carrier area (24a) is provided radially outwards in relation to a mixer longitudinal axis (L) at the mixer body (48a). The carrier area (24a) has an exhaust gas guide element connection area (72a) for permanent connection to a preferably tubular exhaust gas guide element (16a). Radially outside of the exhaust gas guide element connection area (72a), a flange coupling section (88a) couples with a flange coupling section (98a) of another exhaust gas guide element (14a).Type: GrantFiled: April 2, 2019Date of Patent: June 21, 2022Assignee: PUREM GMBHInventors: Benjamin Röhr, Roland Schwarz, Peter Gorke, Frank Berkemer, Tadeusz-Jozef Juroszek
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Patent number: 11352926Abstract: Methods and systems are provided for adjusting a regeneration scheme in response to ageing of a first catalyst and a second catalyst. In one example, a method may include determining a first ageing of the first catalyst and a second ageing of the second catalyst and updating factors of the regeneration scheme based on the first ageing and the second ageing.Type: GrantFiled: January 15, 2020Date of Patent: June 7, 2022Assignee: Ford Global Technologies, LLCInventors: Frank Linzen, Christoph Boerensen, Jan Harmsen, Christian Nederlof, Dirk Roemer
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Patent number: 11352933Abstract: An exhaust gas purification device includes a first catalyst, a bypass pipe, a second catalyst, and a switching controller. The first catalyst is provided in an exhaust pipe. The bypass pipe branches from a first portion of the exhaust pipe. The first portion is located upstream of the first catalyst. The bypass pipe is recoupled to a second portion of the exhaust pipe. The second portion is located upstream of the first catalyst. The second catalyst is provided in the bypass pipe. The switching controller is configured to switch a flow path of an exhaust gas to the bypass pipe based on a deterioration degree of the first catalyst.Type: GrantFiled: January 5, 2021Date of Patent: June 7, 2022Assignee: SUBARU CORPORATIONInventors: Yasuyoshi Sasaki, Isao Tan