Patents Examined by Thai-Ba Trieu
  • Patent number: 10253732
    Abstract: A supercharged internal combustion engine according to the present invention includes a compressor 16a that supercharges intake air; an EGR passage 22 that connects an intake passage 12 at the upstream side of the compressor 16a and an exhaust passage 14; an EGR valve 26 that is provided in the EGR passage 22 and regulates the flow rate of EGR gas that flows through the EGR passage 22 by opening and closing the EGR passage 22; and a heat insulator 30 that is provided on a surface of the EGR valve 26 that is exposed to the EGR passage 22 which is located at the upstream side in the EGR gas flow with respect to a seal portion by a seal surface 26a1 and a valve seat 28a when the EGR valve 26 is in the fully closed position.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: April 9, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Satoko Tofukuji
  • Patent number: 10253681
    Abstract: An engine device which can simplify a supply air cooling structure of an engine as well as simplifying a support structure of a first supercharger and a second supercharger. In an engine device in which the first supercharger and the second supercharger are arranged in series in an exhaust gas discharge channel of the engine, the first supercharger and the second supercharger are arranged in one side surface of the engine, the second supercharger is arranged so as to be close to the one side surface of the engine, and the first supercharger is arranged so as to be away from the one side surface of the engine.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: April 9, 2019
    Assignee: Yanmar Co., Ltd.
    Inventors: Shunji Hamaoka, Fumihiro Nishimura, Tetsuya Yokoyama
  • Patent number: 10253683
    Abstract: A turbocharger having a variable-nozzle turbine formed by pivotable vanes supported by a nozzle ring includes an elastically deformable locator disposed between a radially outwardly facing surface of the center housing and an opposing surface of the nozzle ring. In one embodiment the locator is a metallic ring having a radially undulating waveform shape that repeats a plurality of times about a circumference of the locator. In another embodiment the locator is a metallic ring having a C-shaped cross-section in a radial-axial plane. In still another embodiment the locator is a metallic ring having an S-shaped cross-section in a radial-axial plane. In a further embodiment the locator is a plurality of circumferentially spaced, radial locator pins affixed in the center housing and received in radial slots formed in the nozzle ring, the pins restraining the nozzle ring circumferentially and axially but allowing thermal expansion of the nozzle ring.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: April 9, 2019
    Assignee: Garrett Transportation I Inc.
    Inventors: Jan Musil, Nicolas Morand, Vit Micanek, Jan Klement, Francis Abel
  • Patent number: 10253686
    Abstract: A method of operating an internal combustion engine having a housing, a piston mounted in the housing for complex motion about a plurality of axes and coupled to a shaft, and wherein occur phases of compression, combustion, and expansion in the housing, and wherein, in the compression phase, air introduced through an intake port into the housing is compressed by reducing volume of a compression chamber in the housing from an initial volume to a second volume that is less than the initial volume, and in the expansion phase, byproducts of combustion expand from the second volume to a third volume that is greater than the initial volume.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: April 9, 2019
    Assignee: LiquidPiston, Inc.
    Inventors: Alexander C. Shkolnik, Nikolay Shkolnik
  • Patent number: 10253656
    Abstract: A Rankine cycle system includes a boiler configured to apply waste heat to refrigerant circulating in an internal-combustion engine to vaporize the refrigerant; a gas-liquid separator configured to separate gas-liquid two-phase refrigerant, sent from the boiler, into gas phase fluid and liquid phase fluid; a superheater configured to superheat the gas phase fluid, sent from the gas-liquid separator, through heat exchange with exhaust gas of the internal-combustion engine; an expander configured to expand the gas phase fluid, passing through the superheater, to recover thermal energy, and a condenser configured to condense the gas phase fluid, passing through the expander, to return the gas phase fluid to liquid phase fluid. The gas-liquid separator is fixed to a cylinder head of the internal-combustion engine. It is preferable that the gas-liquid separator is configured to include a bracket, and is fixed to the cylinder head via the bracket.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: April 9, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Manabu Tateno
  • Patent number: 10247092
    Abstract: A rotary internal combustion engine having an insert opening defined in a hot area of one of the walls of the stator body and in communication with its internal cavity. A cooling jacket is received in and lines the insert opening. An insert is sealingly received in the cooling jacket and made of a material having a greater heat resistance than that of the wall. The cooling jacket extends between the insert and the wall along most of the length of the insert to prevent direct contact between the insert and the wall. A cooling gallery surrounds the cooling jacket and the insert, and is defined at least in part by the cooling jacket such that a coolant circulated therein contacts the cooling jacket. The cooling jacket is located between the cooling gallery and the insert.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: April 2, 2019
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Eugene Gekht, Bruno Villeneuve, Mike Fontaine, David Gagnon-Martin
  • Patent number: 10247090
    Abstract: A supercharger is driven by a rotational force of a crankshaft of a combustion engine via a chain. The supercharger includes: a supercharger rotation shaft to which an impeller is fixed; a supercharger holder that rotatably supports the supercharger rotation shaft; and a hydraulic tensioner that is mounted on the supercharger holder and suppresses slack of the chain. In the supercharger holder, a supercharger lubricating oil passage that introduces a lubricating oil to the supercharger is formed. A part of the lubricating oil introduced to the supercharger lubricating oil passage is supplied to a hydraulic cylinder of the hydraulic tensioner through a branch path.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: April 2, 2019
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shohei Naruoka, Yoshiharu Matsuda
  • Patent number: 10240517
    Abstract: A turbocharger has a regulating unit for controlling the output of the turbocharger. The regulating unit can be adjusted by an actuator. The actuator is connected to the regulating unit by way of an actuating member and a lever. The actuating member and the lever are interconnected by way of a screw-nut element.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: March 26, 2019
    Assignee: Continental Automotive GmbH
    Inventors: Alexander Jaegle, Bruno Ferling, Alexander Fietsch, Mark Paulov
  • Patent number: 10240521
    Abstract: An auxiliary power unit for an aircraft includes a rotary intermittent internal combustion engine drivingly engaged to an engine shaft, a turbine section having an inlet in fluid communication with an outlet of the engine(s), the turbine section including at least one turbine compounded with the engine shaft, and a compressor having an inlet in fluid communication with an environment of the aircraft and an outlet in fluid communication with a bleed duct for providing bleed air to the aircraft, the compressor having a compressor rotor connected to a compressor shaft, the compressor shaft drivingly engaged to the engine shaft. The driving engagement between the compressor shaft and the engine shaft is configurable to provide at least two alternate speed ratios between the compressor shaft and the engine shaft.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 26, 2019
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Anthony Jones, Andre Julien, David Menheere, Jean Thomassin, Richard Ullyott, Daniel Van Den Ende
  • Patent number: 10233827
    Abstract: A turbine housing assembly can include a turbine housing that includes an exterior surface, an interior surface that includes a wastegate seat, and a bore that extends between the interior surface and the exterior surface; a bushing disposed at least partially in the bore where the bushing includes a bushing bore; a wastegate that includes a shaft that extends through the bushing bore to a shaft end, a shaft shoulder disposed in the bushing bore, a plug, and an arm disposed between the shaft and the plug; a ring disposed at least in part in the bushing bore between the shaft shoulder and the shaft end; and a control arm connected to the shaft proximate to the shaft end to define an axial distance between a surface of the control arm and the shaft shoulder where the ring has an axial length that is less than the axial distance.
    Type: Grant
    Filed: July 24, 2016
    Date of Patent: March 19, 2019
    Assignee: Garrett Transportation I Inc.
    Inventors: Stanislav Hahn, Petr Cizek, Antonin Forbelsky, Filip Tomanec
  • Patent number: 10227916
    Abstract: A turbocharger turbine wastegate assembly includes a turbine housing that includes a wastegate seat and a bore; a bushing with a stepped bore that includes an axial face; a wastegate that includes a shaft, a plug and an arm, where the shaft includes an end portion, a first axial face, a journal portion, a second axial face and a shoulder portion, where the first axial face is defined at least in part by an end portion diameter and a journal portion diameter, and where the second axial face is defined at least in part by the journal portion diameter and a shoulder portion diameter; a mesh spacer disposed radially about an axial length of the end portion of the shaft between the axial face of the stepped bore of the bushing and the first axial face of the shaft; and a control arm connected to the end portion of the shaft where an axial length of the bushing is disposed between the mesh spacer and the control arm.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: March 12, 2019
    Assignee: Garrett Transportation I Inc.
    Inventors: Filip Tomanec, Antonin Forbelsky, Vaclav Kadlec, Damien Marsal
  • Patent number: 10215087
    Abstract: A turbocharger (1) includes a wastegate valve (30) supported on the turbine housing (8), and a pneumatic actuator (100) configured to actuate the wastegate valve (30). The pneumatic actuator (100) includes a housing (101) separated into compartments (104, 108) by a separating member (110, 112). The actuator (100) includes a piston (112) disposed in the housing (101) that defines at least a portion of the separating member (110, 112), a piston-biasing spring (120) disposed in the housing (101), a first in let (126) that is in fluid communication with the first compartment (104), the first inlet configured to be connected to a non-zero-pressure fluid source (8), and a second inlet (116) that is in fluid communication with the second compartment (108), the second inlet (116) configured to be connected to a non-zero-pressure fluid source (104).
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: February 26, 2019
    Assignee: BorgWarner Inc.
    Inventors: Christian Longacre, Ryan Howell
  • Patent number: 10215134
    Abstract: 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: Grant
    Filed: June 28, 2016
    Date of Patent: February 26, 2019
    Assignee: Cummins Inc.
    Inventors: Anthony Kyle Perfetto, Samuel C. Geckler, Hongfeng H. Wang
  • Patent number: 10215135
    Abstract: Methods and systems are provided for flowing exhaust through a second cooler, arranged downstream of a first cooler and upstream of an intake in an exhaust gas recirculation passage, and extracting condensate for water injection from condensate in cooled exhaust gas exiting the second cooler. In one example, a method may include adjusting the amount of exhaust gas flowing through the second cooler based on an amount of water stored at a water storage tank of a water injection system and engine operating conditions. Further, the method may include selectively flowing exhaust gas from the second cooler to a location upstream or downstream of a compressor in response to engine operating conditions.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: February 26, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Daniel Joseph Styles, Gopichandra Surnilla, Mohannad Hakeem, Brad Alan VanDerWege, Christopher House, Michael Howard Shelby
  • Patent number: 10215109
    Abstract: A method for regulating the charge pressure pboost of a supercharged internal combustion engine is disclosed. The method may include adjusting each of two wastegates, a variable turbine geometry, and a downstream compressor bypass valve to regulate engine boost pressure as a function of a first setpoint value for pressure between compressors and a pressure difference in a first regulation loop, a second setpoint value for pressure downstream of multiple compressors, and the pressure difference in a second regulation loop.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: February 26, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Arno Bartsch, Benedikt Seier, Alain Marie Roger Chevalier, Michael Marbaix
  • Patent number: 10215085
    Abstract: In a two-stage supercharging electric-assist turbocharger, a first compressor wheel, a rotor of an electric motor, a second compressor wheel, and a turbine wheel are coaxially coupled to a same, common shaft member, in that order. A compressor housing is structured to define therein a communicating passage to accommodate the electric motor in the communicating passage. A first water jacket is formed in at least one rib integrally formed with an outer periphery of a motor housing and also serving as a radiating fin, for forced-cooling air flowing through the communicating passage. A second water jacket is formed in a motor housing for forced-cooling a stator of the electric motor. A third water jacket is formed in an intermediate housing constructing a part of the compressor housing for forced-cooling a control unit configured to control the electric motor.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: February 26, 2019
    Assignee: MAHLE FILTER SYSTEMS JAPAN CORPORATION
    Inventors: Takahisa Yamashita, Vijayakumar Sivaraman, Haruo Iwano
  • Patent number: 10208661
    Abstract: When it is detected that an exhaust cut valve is stuck in a closed state, a control device stops feedback control and maintains a wastegate valve in a completely open state in each of an open operation range and a closed operation range. When it is detected that the exhaust cut valve is stuck in an open state, the control device stops the feedback control and maintains the wastegate valve in the completely open state in the closed operation range, whereas the control device performs the feedback control in the open operation range.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: February 19, 2019
    Assignee: Mazda Motor Corporation
    Inventor: Takafumi Nishio
  • Patent number: 10208696
    Abstract: Disclosed are engine torque and emission control (ETEC) systems, methods for using such systems, and motor vehicles with engines employing ETEC schemes. An ETEC system is disclosed for operating an internal combustion engine (ICE) assembly. The system includes an engine sensor for monitoring engine torque, an exhaust sensor for monitoring nitrogen oxide (NOx) output of the ICE assembly, and an engine control unit (ECU) communicatively connected to the engine sensor, exhaust sensor, and ICE assembly.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Yue-Yun Wang, Ibrahim Haskara, Chen-fang Chang
  • Patent number: 10208598
    Abstract: A rotary internal combustion engine includes outer and inner housings defining an enclosure therebetween, and first and second side housings disposed on opposite sides of the outer housing. The inner housing is rotatable relative to the outer housing and at least two barriers divide the enclosure into a combustion chamber and an exhaust chamber. At least one barrier is rotatable relative to at least one other barrier and at least one barrier comprises a retractable barrier mounted along a pivot axis and is pivotable between an extended position and a retracted position. An intake port, exhaust port, and ignition source are also provided. The rotary internal combustion engine further includes a cylindrical stationary shaft disposed inside the inner housing and oriented substantially coaxially with the inner housing. The stationary shaft has an intake opening configured to be intermittently fluidly connected with the intake port.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: February 19, 2019
    Inventor: Scott Hudson
  • Patent number: 10208642
    Abstract: Methods and systems are provided for a soot sensor. In one example, a method diverting exhaust gas from a main exhaust passage to a second exhaust passage comprising a soot sensor with a rotatable component configurable to capture soot.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: February 19, 2019
    Assignee: Ford Global Technologies, LLC
    Inventor: Xiaogang Zhang