Patents Examined by Thai-Ba Trieu
  • Patent number: 11319906
    Abstract: Methods and systems are provided for an EGR system. In one example, a system comprises a first turbocharger configured to increase an intake gas pressure and a second turbocharger configured to increase an exhaust gas pressure. The second turbocharger is dedicated to only compressing exhaust gases flowing to an intake passage.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: May 3, 2022
    Assignee: Ford Global Technologies, LLC
    Inventors: Brendan Diamond, David G. Hagner
  • Patent number: 11313271
    Abstract: A wastegate assembly for controlling flow of exhaust gas includes a valve element having a valve body and a valve shaft. The wastegate assembly further includes a spindle. The wastegate assembly further includes a washer coupled to the valve shaft and spaced from the spindle for securing the spindle to the valve shaft. A plurality of cup springs is disposed between the spindle and the washer. The plurality of cup springs includes at least a first cup spring and a second cup spring, with the first cup spring supported on the spindle head and the second cup spring orientated substantially identical to the first cup spring and disposed directly on the first cup spring.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: April 26, 2022
    Assignee: Borg Warner Inc.
    Inventors: Dominic William Depaoli, Aaron Date, Michael Daniel Cola, Georg Scholz, Marc Werner, Christian Cossmann, Jakob Penth, Christoph Müller, Ravi Patil
  • Patent number: 11313287
    Abstract: Methods and systems for unsticking a stuck gaspath actuator are disclosed. In one embodiment, an engine operating method includes adjusting exhaust valve timing of one or more cylinders of an engine in response to an indication that a gaspath actuator is stuck in position. In this way, pressure waves in an exhaust manifold and/or an intake manifold may be generated, which may act to unstick the gaspath actuator.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 26, 2022
    Assignee: Ford Global Technologies, LLC
    Inventor: Michiel J. Van Nieuwstadt
  • Patent number: 11300040
    Abstract: A controller for an internal combustion engine includes an intake air amount obtaining unit, an open-closed determination unit, and an air bypass valve control unit. The intake air amount obtaining unit is configured to obtain, using a target torque of the internal combustion engine, a target throttle passage amount as a target value of an amount of intake air drawn through a throttle valve. The open-closed determination unit is configured to determine whether a valve opening condition for first and second air bypass valves is satisfied. The air bypass valve control unit is configured to open the first and second air bypass valves when the valve opening condition is satisfied. The open-closed determination unit is configured to determine that the valve opening condition is satisfied when a decrease speed of the target throttle passage amount is greater than a specified determination speed.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: April 12, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Satoshi Yoshizaki, Masayuki Hisada, Masahiro Noguchi
  • Patent number: 11293340
    Abstract: According to the invention, a method is provided of operating a combustion engine comprising more than three cylinders with cylinder valves that are operated in a cycle of fuel intake, pressurizing, firing and exhaust strokes. The method comprises carrying out the cycle for at least two cylinders in a simultaneous operation; and having the simultaneously operated cylinders to exhaust in a manifold that couples to a single turbine.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: April 5, 2022
    Assignee: DAF Trucks N.V.
    Inventor: Dirk-Jan De Jong
  • Patent number: 11286832
    Abstract: A bottoming cycle power system includes a turbine-generator having a turbo-expander and turbo-compressor disposed on a turbo-crankshaft. The turbo-expander is operable to rotate the turbo-crankshaft as a flow of exhaust gas from a combustion process passes through the turbo-expander. The turbo-compressor is operable to compress the flow of exhaust gas after it passes through the turbo-expander. An exhaust-gas heat exchanger having first and second flow paths. The first flow path is operable to receive the flow of exhaust gas from the turbo-expander prior to the exhaust gas being compressed by the turbo-compressor. The second flow path is operable to receive the flow of exhaust gas from the turb-compressor. A processing system is operable to cool the flow of exhaust gas after the exhaust gas has passed through the first flow path and prior to the exhaust gas being compressed by the turbo-compressor.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: March 29, 2022
    Assignee: SCUDERI GROUP, INC.
    Inventor: Salvatore C. Scuderi
  • Patent number: 11280279
    Abstract: An internal combustion engine for a motor vehicle includes a combustion chamber with a gas exchange valve which is movable between an open position and a first closed position. The gas exchange valve is movable on its path from the open position in a direction of the first closed position into an intermediate position located between the open position and the first closed position and is holdable in the intermediate position at least during a part of a compression cycle of the combustion chamber following the open position of the gas exchange valve and is movable into a second closed position following the intermediate position. The part comprises more than a half of the compression cycle and less than a whole of the compression cycle. The gas exchange valve is an inlet valve via which the combustion chamber is supplyable at least with air.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: March 22, 2022
    Assignee: Daimler AG
    Inventors: Franz Huber, Christian Lorenz, Jochen Hufendiek, Johannes Ernst
  • Patent number: 11274619
    Abstract: A vehicle includes a power generation device including at least a multi-cylinder engine, the power generation device being configured to output drive power to wheels, an exhaust gas control apparatus including a catalyst for removing exhaust gas from the multi-cylinder engine, and a control device configured to execute catalyst temperature increase control for stopping fuel supply to at least one cylinder and supplying fuel to remaining cylinders in a case where a temperature increase of the catalyst is requested during a load operation of the multi-cylinder engine, execute control such that the power generation device supplements insufficient drive power due to the execution of the catalyst temperature increase control, and decrease an amount of evaporative fuel introduced into an intake pipe by an evaporative fuel treatment device during the execution of the catalyst temperature increase control compared to a case where the catalyst temperature increase control is not executed.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: March 15, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki Nose, Masaaki Kobayashi
  • Patent number: 11268435
    Abstract: A low-temperature turbocompressor structural arrangement for an internal combustion engine for using energy that is available but unused during operation to cool the air supplied to the engine by supercharging. The temperature of the air compressed by the compressor is reduced by a cooling system and the air is then conveyed to a further turbine actuated by the intake air flow of the engine. The structural arrangement may be mounted in full or in part, and also each component may be fitted into existing systems.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: March 8, 2022
    Assignee: Duo Engenharia Criativa Ltda
    Inventors: Natal De Avila Antonini, André Schaan Casagrande, Bruno Hartmann Da Silva, Eduardo Donadel Basso, Vitor Tumelero Valente
  • Patent number: 11261804
    Abstract: An internal combustion engine system includes a combustion cylinder provided with a reciprocating piston movable between a top dead center (TDC) and a bottom dead center (BDC) within the combustion cylinder. A first outlet valve is connected to the combustion cylinder for controllably directing exhaust gas from the combustion cylinder to a first exhaust gas manifold of the internal combustion engine system. A second outlet valve is connected to the combustion cylinder for controllably directing exhaust gas from the combustion cylinder to a second exhaust gas manifold of the internal combustion engine system. A turbocharger system includes a turbine and a compressor, wherein the turbine is arranged in fluid communication with the first exhaust gas manifold. An exhaust emission control device is arranged in fluid communication with the second exhaust gas manifold.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: March 1, 2022
    Assignee: VOLVO TRUCK CORPORATION
    Inventor: Arne Andersson
  • Patent number: 11255298
    Abstract: Methods and systems for an engine intake system are provided. In one example, a system includes a first charge air cooler arranged upstream of a second charge air cooler. The first charge air cooler is configured to provide thermal transfer between a compressed charge air and a fresh intake air.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: February 22, 2022
    Assignee: Ford Global Technologies, LLC
    Inventors: Andreas Kuske, Hans Guenter Quix, Paul Nigel Turner
  • Patent number: 11255253
    Abstract: Methods and systems are provided for a comprex charger. In one embodiment, a comprex charger is integrally arranged with an electric machine and shares a cooling arrangement therewith.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: February 22, 2022
    Assignee: Ford Global Technologies, LLC
    Inventors: Bas van den Heuvel, Andreas Kuske, Wilbert Hemink
  • Patent number: 11255252
    Abstract: A radial compressor has an iris diaphragm mechanism for a pressure-charging device of an internal combustion engine. The radial compressor has a bearing assembly, in which a rotor shaft is rotatably mounted, having a compressor impeller arranged in a compressor housing for conjoint rotation on the rotor shaft and having a fresh air supply channel for carrying a fresh air mass flow to the compressor impeller. The iris diaphragm mechanism is upstream of the compressor impeller, allowing variable adjustment of a flow cross section for the fresh air mass flow for admission to the compressor impeller, at least over a partial region. For this purpose, the iris diaphragm mechanism has multiple lamellae which each have a plate style lamella main body and a pin style actuating element as integral constituent parts of the respective lamella.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: February 22, 2022
    Assignee: Vitesco Technologies GmbH
    Inventors: Mathias Bogner, Christoph Schäfer, Sasa Slavic
  • Patent number: 11255255
    Abstract: A turbocharger includes a turbine housing and a wastegate assembly. The turbine housing has a wastegate duct defining a wastegate channel and a valve seat disposed about the wastegate channel. The wastegate assembly has a valve body engageable with the valve seat and a shaft fixed to the valve body at a connection interface for selectively engaging the valve body with the valve seat at a first plane. The connection interface has a centroid and a second plane tangential to the centroid. A second axis is normal to the second plane and is angularly tilted relative to a first axis normal to the first plane at which the valve body and the valve seat are engaged.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: February 22, 2022
    Assignee: BorgWarner Inc.
    Inventor: Matthew Brian Cooley
  • Patent number: 11255254
    Abstract: A compressor arrangement for an internal combustion engine, having a compressor which is arranged in a compressor housing and has a low pressure side and a high pressure side, and having a negative pressure provision unit, which has a propellant channel that is fluidically connected, on the one hand, via a propellant inlet fitting to the high pressure side of the compressor and, on the other hand, via a propellant outlet fitting to the low pressure side of the compressor and has a nozzle, and which has a negative pressure channel opening into the propellant channel fluidically between the propellant inlet fitting and the propellant outlet fitting.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: February 22, 2022
    Assignee: AUDI AG
    Inventors: Maximilian Köhnlein, Robert Solbeck
  • Patent number: 11236687
    Abstract: An internal combustion engine for a motor vehicle includes a combustion chamber with a gas exchange valve which is movable between an open position and a first closed position. The gas exchange valve is movable on its path from the open position in a direction of the first closed position into an intermediate position located between the open position and the first closed position and is holdable in the intermediate position at least during a part of a compression cycle of the combustion chamber following the open position of the gas exchange valve and is movable into a second closed position following the intermediate position. The part comprises more than a half of the compression cycle and less than a whole of the compression cycle. The gas exchange valve is an inlet valve via which the combustion chamber is supplyable at least with air.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: February 1, 2022
    Assignee: Daimler AG
    Inventors: Franz Huber, Christian Lorenz, Jochen Hufendiek, Johannes Ernst
  • Patent number: 11230964
    Abstract: A machine system includes a compressor, and a cooler having an inlet tank to receive compressed air from the compressor, and a header assembly attached to the inlet tank and including a plurality of cooling tubes supported in the header and each having an external heat exchange surface exposed to a flow of cooling air. The cooler further includes a plurality of graphite pack seals each extending peripherally around one of the cooling tubes, and a clamping assembly clamping the pack seals against the header to squeeze the pack seals into sealing contact with the cooling tubes and the header.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: January 25, 2022
    Assignee: Caterpillar Inc.
    Inventors: Dongming Tan, James McCoy Voelker, Sharath Kumar Reddy Challa, Jianlong Xu
  • Patent number: 11225921
    Abstract: The subject matter of this specification can be embodied in, among other things, an engine system that includes an intake manifold configured to receive and convey air to a combustion chamber, an intake valve upstream of the intake manifold and configured to regulate an air flow into the intake manifold, an exhaust manifold configured to receive combustion products from the combustion chamber, a recirculation flow passage configured to convey exhaust gasses from the exhaust manifold to the intake manifold, a recirculation flow control valve configured to regulate gas flow through the recirculation flow passage, and a controller configured to determine that the engine system is in a motoring condition, open, during the motoring condition and based the determining, the recirculation flow control valve, and close, during the motoring condition and based the determining, the intake valve.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: January 18, 2022
    Assignee: Woodward, Inc.
    Inventors: Yi Han, James Po-Chang Chiu
  • Patent number: 11220982
    Abstract: The invention relates to a flap device for controlling a gas flow through a pipe, in particular to an exhaust gas flap device for an exhaust train of a motor vehicle, comprising at least one flap which is arranged in a flap housing, in particular in a tubular flap housing, rotatable, in particular rotatable by a drive unit, about an axis of rotation of a flap shaft between an open position and a closed position, with a spring means being provided which, on a rotation of the flap from the open position into the closed position, tangentially and/or radially elastically loads the flap shaft at the latest in the closed position of the flap, and with at least one section of the spring means being directly or indirectly rotationally fixedly connected to the flap housing with respect to a rotation about the axis of rotation.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: January 11, 2022
    Assignee: FRIEDRICH BOYSEN GMBH & CO. KG
    Inventors: Hayri Winter, Volker Roller, Karl Stockinger
  • Patent number: 11208947
    Abstract: An exhaust gas turbocharger may include a turbine and a compressor for compression of charge air for an internal combustion engine, and a controllable actuator and a component mechanically adjustable via the actuator. The compressor may include a compressor casing through which charge air is flowable. A holding device may be integrally disposed on the compressor casing. The actuator may be coupled to the holding device, and may be secured to the compressor casing via the holding device. The holding device may have at least one integrally formed protective contour that may extend around the actuator in certain regions at a separation distance from the actuator, and may enclose the actuator in certain regions, such that the actuator is shielded in certain regions from external influences via the at least one protective contour.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: December 28, 2021
    Inventors: Rene Rogasch, Hoang-Nguyen Tran