Patents Examined by Ngoc T Nguyen
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Patent number: 11692518Abstract: A controlling method of vehicle exhaust gas recirculation, an apparatus and an electronic device are provided in vehicle field. Before the GPF/DPF starts to work, controlling the EGR to cool the temperature of the recycled gas at a lowest gas temperature required being entranced into the engine; and after the GPF/DPF starts to work, according to a gas temperature change and an intake flow change of an air intake of the EGR, adjusting an opening of a valve arranged in a vent of the EGR and a working power of a pump arranged in a liquid duct of the EGR, for making the EGR to cool the gas recycled by the EGR in a safe temperature range required by the engine. The controlling method is associated controlled with a cooling system of the EGR, for ensuring the recycled exhaust gas temperature and the EGR rate in a suitable range.Type: GrantFiled: June 12, 2021Date of Patent: July 4, 2023Assignee: GUANGZHOU AUTOMOBILE GROUP CO., LTD.Inventors: Xinglai Huang, Kai Zhang, Zhixin Zeng, Guanghua Zhong, Ning Zhang, Linggui Zhong
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Patent number: 11686278Abstract: The subject matter of this specification can be embodied in, among other things, a gas mixer that includes a convergent-divergent nozzle comprising a convergent portion and a divergent portion and defining a first gas flow path, an air housing comprising an air inlet configured to supply air to the first gas flow path upstream of the convergent-divergent nozzle, a gas housing defining a second gas flow path and including a first gas inlet configured to receive a secondary gas and allow the secondary gas into a second gas flow path, and a gas nozzle positioned parallel to and centrally within the first gas flow path in a convergent portion of the convergent-divergent nozzle, the gas nozzle configured to supply the secondary gas to the first gas flow path upstream of the divergent portion.Type: GrantFiled: October 27, 2021Date of Patent: June 27, 2023Assignee: Woodward, Inc.Inventors: Domenico Chiera, Gregory James Hampson, Rohit Deepak Vaidya
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Patent number: 11619162Abstract: An apparatus for removing condensed water of an intercooler includes a collecting portion for collecting condensed water, the collecting portion being provided at a lower end of the intercooler; and an ultrasonic wave vibrator provided in the collecting portion, the ultrasonic wave vibrator being operated to introduce the condensed water collected in the collecting portion toward an engine so that the condensed water is vaporized, thereby removing or significantly reducing an amount of condensed water in the intercooler. The apparatus for removing condensed water of the intercooler can prevent engine damage and ignition failure due to the presence of the condensed water in the intercooler.Type: GrantFiled: October 6, 2021Date of Patent: April 4, 2023Assignees: Hyundai Motor Company, Kia CorporationInventor: Hyuk Im
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Patent number: 11619163Abstract: A supercharger for a vehicle includes: a first compression part to compress outside air; a second compression part to compress the outside air independently of the first compression part; a first valve module to selectively switch a path of the air compressed by the first compression part to a power source of the vehicle or the second compression part and to selectively guide or shut off the air compressed by the second compression part to the power source; and a second valve module to selectively shut off a flow of the air compressed by the first compression part into the second compression part or a flow of the outside air into the second compression part.Type: GrantFiled: June 8, 2022Date of Patent: April 4, 2023Assignee: HYUNDAI MOBIS CO., LTD.Inventor: Seung Taek Lim
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Patent number: 11614043Abstract: A method for setting a throttle valve that includes feedback control of a throttle position of the throttle valve in the entire operating range of an internal combustion engine, wherein the feedback control is based on an internal model control principle.Type: GrantFiled: July 16, 2021Date of Patent: March 28, 2023Assignee: Volkswagen AktiengesellschaftInventors: Maiko Garwon, Kostyantyn Bass
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Patent number: 11603792Abstract: A vent insert is disclosed for use with an automotive turbocharger system. The vent has a substantially cylindrical hollow tube with a first end for seating the vent and a second open end. The first end has a rim around an opening. The second end of the vent has an angled opening that faces away from the direction of the gas flow when the vent insert is operating within the turbocharger system. There are a plurality of protrusions extending outward from the outside surface of the vent to assist in keeping the vent insert in place in the turbocharger system.Type: GrantFiled: September 20, 2021Date of Patent: March 14, 2023Assignee: Advanced FLOW Engineering Inc.Inventors: Shahriar Nick Niakan, Saul Daniel Zambrano
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Patent number: 11598249Abstract: A method and system are provided for adjusting a speed of a turbocharger compressor using an electric motor in response to a relative substitution rate of first and second fuels in a multi-fuel engine.Type: GrantFiled: September 15, 2021Date of Patent: March 7, 2023Assignee: Transportation IP Holdings, LLCInventors: Thomas Michael Lavertu, Adam Edgar Klingbeil, Eric Dillen
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Patent number: 11598250Abstract: A valve for use in an engine exhaust conduit. The valve includes a base portion and a body portion extending from the base portion. The base portion is configured for pivotably mounting the valve within the engine exhaust conduit. The base portion defines a valve pivot axis. The valve is pivotable about the valve pivot axis during use. The body portion has an upstream side and a downstream side opposite the upstream side. The upstream side is exposed, during use, to fluid flow in the engine exhaust conduit. The body portion has a generally pointed shape defining a rounded tip at a location of the body portion furthest from the base portion in a length direction of the valve. The length direction of the valve is generally perpendicular to the valve pivot axis.Type: GrantFiled: May 31, 2019Date of Patent: March 7, 2023Assignee: BRP-ROTAX GMBH & CO. KGInventors: Roland Ennsmann, Roland Wimmer, Markus Wolfsgruber
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Patent number: 11598253Abstract: A wastegate system of a vehicle includes: a wastegate valve configured to regulate exhaust flow through a turbine of a turbocharger of an engine; a wastegate actuator including a lever that is mechanically coupled to the wastegate valve via one or more linkages and that is configured to move linearly based on a pressure within an interior of the wastegate actuator; a resonator that is fluidly coupled to the interior of the wastegate actuator via a first one or more hoses and that is configured to counteract force attributable to pressure changes in the exhaust from combustion events within the engine; and a regulator valve that is fluidly connected between a pneumatic source and the resonator via a second one or more hoses and that is configured to regulate the pressure within the interior of the wastegate actuator.Type: GrantFiled: May 12, 2022Date of Patent: March 7, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lisa M. Marcella-O'Leary, David J. Hajdyla, Grant Brady, Bret J. Kukulis, Robert S. McAlpine
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Patent number: 11585265Abstract: A surge suppression device for suppressing surge in an exhaust turbine-type turbocharger includes: a high-pressure tank configured to accumulate high-pressure gas with a higher pressure than atmospheric pressure; a high-pressure gas injection line connecting the high-pressure tank and an upstream intake passage on an upstream side of a compressor of the turbocharger; an on-off valve configured to open and close the high-pressure gas injection line; and a control device configured to control the on-off valve on the basis of a relationship between a pressure ratio of the compressor of the turbocharger and an intake flow rate.Type: GrantFiled: March 14, 2019Date of Patent: February 21, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Yutaka Fujita, Nobuhito Oka, Makoto Ozaki
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Patent number: 11585301Abstract: A dual turbocharger system for an engine is provided. In one example, the dual turbocharger system may include two variable geometry turbines (VGTs), with each turbine being of the same size and operating in parallel, and with each compressor of the turbocharger operating in series, the first compressor of the first turbocharger being larger than the second compressor of the second turbocharger.Type: GrantFiled: December 14, 2021Date of Patent: February 21, 2023Assignee: Ford Global Technologies, LLCInventors: Brad Alan Boyer, Keith Plagens, Gregory McConville, Michael Shelby
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Patent number: 11572824Abstract: An engine system includes an internal combustion engine, an energy storage device configured to provide electrical power, and an electrified air-boost system powered by the electrical power from the energy storage device to boost intake air to the engine, with the electrified air-boost system further including an electrical machine and a pressure device driven by the electrical machine to output boosted intake air to the engine. The engine system also includes a controller operably connected with the electrified air-boost system, with the controller configured to monitor engine speed and engine load during operation of the engine, identify an impending engine stall condition based on the monitored engine speed and engine load, and when the impending engine stall condition is identified, temporarily operate the electrified air-boost system to boost the intake air to the engine, thereby boosting a torque output of the engine.Type: GrantFiled: May 13, 2021Date of Patent: February 7, 2023Assignee: DEERE & COMPANYInventors: Scott R. Miles, Pratir R. Punjani, Danan Dou
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Patent number: 11560849Abstract: A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a propulsor section including a propulsor, a turbine section including a first turbine and a second turbine, a compressor section driven by the turbine section, the compressor section including a first compressor and a second compressor, and a geared architecture driven by the first turbine. The propulsor is driven by the first turbine via the geared architecture. At least one stage of the turbine section includes an array of rotatable blades and an array of vanes. A ratio of the number of vanes to the number blades is greater than or equal to 1.55. A mechanical tip rotational Mach number of the blades is configured to be greater than or equal to 0.5 at an approach speed.Type: GrantFiled: October 18, 2021Date of Patent: January 24, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Bruce L. Morin, David A. Topol, Detlef Korte
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Patent number: 11560832Abstract: A wastegate valve for a bypass path for a turbocharger in an internal combustion engine, the wastegate valve comprises a valve seat defining a plane which is non-orthogonal to the principal flow axis for gases flowing along the bypass path and a valve member pivotable from an open position to a closed position, wherein in the closed position the valve member is seated on the valve seat, and in a fully open position the valve member is positioned to direct gases exiting the bypass path onto a leading face of a catalytic converter monolith for heating the monolith.Type: GrantFiled: December 28, 2020Date of Patent: January 24, 2023Assignee: JAGUAR LAND ROVER LIMITEDInventors: Matthew Albrecht, Guido Schlarb
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Patent number: 11555428Abstract: According to one implementation, a centrifugal oil mist separator includes a duct, a fan and a power transmission mechanism. The duct forms a flow path of a first exhaust gas discharged from an engine. The first exhaust gas includes oil mist. The fan is disposed inside the duct. The power transmission mechanism rotates the fan using energy of a second exhaust gas discharged from the engine. The second exhaust gas includes no oil mist.Type: GrantFiled: November 12, 2020Date of Patent: January 17, 2023Assignee: SUBARU CORPORATIONInventor: Atsushi Yokota
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Patent number: 11549453Abstract: A method for operating an internal combustion engine, which comprises a combustion unit, a generator coupled with the combustion unit, a fresh gas tract, an exhaust tract, an exhaust gas recirculation line, which branches off of the exhaust tract and opens into the fresh gas tract, and at least one electrical heating device, which is integrated into the exhaust tract or into the exhaust gas recirculation line, characterized in that, during an overrun mode of the combustion unit, the heating device is operated with energy provided by the generator, and exhaust gas heated with the aid of the heating device is partially or completely guided via the exhaust gas recirculation line.Type: GrantFiled: March 21, 2022Date of Patent: January 10, 2023Assignee: Volkswagen AktiengesellschaftInventors: Ingo Blei, Johannes Bunkus, Stephan Kraus
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Patent number: 11549454Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one primary EGR cylinder and a plurality of non-primary EGR cylinders. The systems, apparatus and methods control the amount of recirculated exhaust gas in a charge flow in response to EGR fraction deviation conditions.Type: GrantFiled: May 10, 2021Date of Patent: January 10, 2023Assignee: Cummins Inc.Inventors: Carlos Alcides Lana, David J. Stroh, Samuel C. Geckler, Marten H. Dane, Anthony Kyle Perfetto, Karthik Kappaganthu, Govindarajan Kothandaraman
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Patent number: 11549450Abstract: Methods and systems are provided for controlling airflow of an accumulator of a motorized vehicle. In one example, a method includes storing pressurized gases within the accumulator by flowing intake air from a compressor of an engine of the vehicle to a pressure booster arranged upstream of the accumulator. Pressurized gases stored within the accumulator may be used to drive one or more pneumatic devices.Type: GrantFiled: February 7, 2022Date of Patent: January 10, 2023Assignee: Ford Global Technologies, LLCInventors: John Eric Rollinger, Douglas Raymond Martin
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Patent number: 11542856Abstract: A neat-fuel direct-injected compression ignition engine having a thermal barrier coated combustion chamber, an injection port injects fuel that satisfies a stoichiometric condition with respect to the intake air, a mechanical exhaust regenerator transfers energy from exhaust gas to intake compression stages, an exhaust O2 sensor inputs to a feedback control to deliver quantified fuel, a variable valve actuation (VVA) controls valve positions, an exhaust gas temperature sensor controls exhaust feedback by closing the exhaust valve early according to the VVA, or recirculated to the chamber with an exhaust-gas-recirculation (EGR), heat exchanger, and flow path connecting an air intake, a load command input, and a computer operates the EGR from sensors to input exhaust gas according exhaust temperature signals and changes VVA timing, the load control is by chamber exhaust gas, the computer operates a fuel injector to deliver fuel independent of exhaust gas by the O2 signals.Type: GrantFiled: June 25, 2018Date of Patent: January 3, 2023Assignee: The Board of Trustees of the Leland Stanford Junior UniversityInventors: Christopher F. Edwards, Bernard H. Johnson, IV, Gregory B. Roberts
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Patent number: 11536226Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one pair of primary EGR cylinders and a plurality of pairs of non-primary EGR cylinders. The pair of primary EGR cylinders can be connected to an intake with an EGR system that lacks an EGR cooler. In another embodiment, the cylinder pairs include exhaust flow paths that join in the cylinder head to form a common exhaust outlet for each cylinder pair in the cylinder head that is connected directly to the EGR system or to the exhaust system without an exhaust manifold.Type: GrantFiled: April 12, 2021Date of Patent: December 27, 2022Assignee: Cummins Inc.Inventors: Anthony Kyle Perfetto, Samuel C. Geckler, Hongfeng H. Wang