With Means For Varying Timing Patents (Class 123/90.15)
  • Patent number: 10900390
    Abstract: A method of operating an electromagnetic latch assembly of a type that includes an electromagnet and a latch pin that is stable independently from the electromagnet in both first and second positions includes energizing the electromagnet systematically over a period in a manner that enhances the functionality of the electromagnetic latch assembly without causing the latch pin to move between the first and second positions. The period may be a period over which the electromagnetic latch assembly is too cold and the electromagnet may be energized in a manner that is effective for heating. Alternatively, the period may be one over which the electromagnetic latch assembly is subject to high inertial forces and the electromagnet may be energized in a manner that is effective to enhance latch pin retention.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: January 26, 2021
    Assignee: Eaton Intelligent Power Limited
    Inventor: Petr Liskar
  • Patent number: 10895232
    Abstract: Methods and systems are provided for mounting a fuel pump to a cylinder head of an engine. In one example, a mounting system may comprise: an engine fuel pump mounted directly to a cylinder head cap positioned underneath a cam cover, the cap including a raised portion having a first and a second cap mounting boss, and a main opening for directly receiving the fuel pump, wherein each of the first and second cap mounting bosses couple to a flange formed on a bottom portion of the fuel pump. In this way, the fuel pump may be directly mounted to the cylinder head cap to simplify assembly, minimize fuel leakage and reduce pump vibration.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: January 19, 2021
    Assignee: Ford Global Technologies, LLC
    Inventors: Kevin J. Kochanski, David Matthew Gasior, Claude Weston Bailey, III
  • Patent number: 10890124
    Abstract: Provided is a technique capable of suppressing the amount of fuel adhering to a wall surface of a cylinder in an engine whose wall surface temperature varies every cycle. An internal combustion engine control device that controls an internal combustion engine, which injects fuel into a cylinder and generates combustion by ignition, includes: a wall surface temperature calculation unit that calculates a wall surface temperature of the cylinder based on a pressure in the cylinder; and a combustion control unit that controls the combustion of the internal combustion engine based on the calculated wall surface temperature.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: January 12, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Naoki Yoneya, Masayuki Saruwatari
  • Patent number: 10883394
    Abstract: A support arrangement for an actuator of a cam phaser, the support arrangement including an actuator module including an actuator; and a support element configured to support the actuator module on a camshaft, wherein the actuator module is connected to the support element by an electrical contact arrangement configured to actuate the actuator, and wherein the electrical contact arrangement includes an elastic clamping element.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: January 5, 2021
    Assignee: ECO Holding 1 GmbH
    Inventor: Daniel Stanhope
  • Patent number: 10876435
    Abstract: A case for rotating integrally with a crankshaft of an engine; a rotor housed in the case, to be rotated integrally with a camshaft of the engine by fastening the rotor coaxially to the camshaft with a center bolt; and a groove provided around an axis of the rotor on an opposite side of the rotor to the camshaft, and having an inner wall intersecting a rotation direction of the rotor are provided.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: December 29, 2020
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Takuhiro Matsumoto, Hirofumi Hase
  • Patent number: 10876437
    Abstract: A variable valve train with at least two functionally identical gas-exchange valves per cylinder, having primary cam and a secondary cam generated valve strokes that are transmitted by a switchable cam follower selectively to the gas-exchange valves. The respective cam follower has a primary lever in tapping contact with the primary cam and in switching contact with the gas-exchange valve and a secondary lever that is in tapping contact with the secondary cam and is coupleable with the primary lever by a control pin. The respective control pins are connected by connecting elements to respective first and second elongated switching elements, which are arranged above the cam followers parallel to the camshaft and are displaceable longitudinally by a linear actuator from a home into a switched position. The control pins of the cam follower of functionally identical gas-exchange valves are in switching connection with a respective one of the first and second elongated switching elements for common movement.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: December 29, 2020
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Dimitri Schott, Harald Elendt
  • Patent number: 10865716
    Abstract: A camshaft adjuster for adjusting the phase angle between a crankshaft and a camshaft of an internal combustion engine comprises an actuator, in particular, an electric motor, and an adjustment module, which comprises a drive element, which can be driven by the crankshaft, and an output element, which can be rotated relative to the drive element to a limited extent and which is provided to be securely coupled to the camshaft, wherein a signal generator, which is arranged so as to be fixed in position on the internal combustion engine and which has an inductance, is inductively coupled to a measurement circuit, which is integrated into the adjustment module and which has at least one resonant circuit component having electrical properties that depend on the said phase angle.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: December 15, 2020
    Assignee: Schaefller Technologies AG & Co. KG
    Inventors: Wolfgang Braun, Jens Heim, Jens Schäfer, Andreas Thölke
  • Patent number: 10865664
    Abstract: A hydraulically-actuated camshaft phaser includes a camshaft sprocket having a plurality of teeth configured to engage an endless loop that transmits angular motion from the crankshaft to the hydraulically-actuated camshaft phaser; a rotor, coupled with the camshaft sprocket to prevent angular movement between the camshaft sprocket and the rotor, that includes one or more vanes extending radially outwardly forming a plurality of fluid chambers; and a housing that selectively changes angular position relative to the rotor and the crankshaft and is configured to be linked with a variable phase camshaft to change the angular position of the variable phase camshaft relative to the crankshaft.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: December 15, 2020
    Assignee: BorgWarner, Inc.
    Inventor: John R. Smerczak
  • Patent number: 10865666
    Abstract: A variable cam timing phaser mounted to a camshaft and including a housing assembly having an outer circumference for accepting a drive force; a rotor assembly received by the housing assembly defining a chamber separated into an advance chamber and retard chamber by a vane; a control valve in fluid communication with the advance chamber and the retard chamber, a source of fluid, and a sump through at least one exhaust line connected to at least one exhaust port; and at least one check valve in the at least one exhaust line between the control valve and the sump. The at least one check valve prevents air from the sump connected to the at least one exhaust port from being sucked into the variable cam timing phaser through the at least one exhaust port during a torque reversal of the camshaft.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: December 15, 2020
    Assignee: BorgWarner Inc.
    Inventors: Adam Bruce, Keith Feldt, Braman Wing
  • Patent number: 10859055
    Abstract: A method for starting an engine is disclosed. The method may adjust exhaust valve opening timing of one or more cylinders during a first cycle of an engine since a most recent engine stop to reduce engine cranking work. The method may adjust exhaust valve timing if the engine is directly started or started via an electric machine.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: December 8, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Jeffrey Allen Doering, Alexander O'Conor Gibson, Brad Alan VanDerWege
  • Patent number: 10851709
    Abstract: A control method for an internal combustion engine is arranged to vary an engine compression ratio, and includes a control mechanism arranged to control the engine compression ratio, and a driving source arranged to drive the control mechanism. The control method includes converting an operation amount of the driving source in accordance with an attenuation rate according to the engine compression ratio, transmitting the converted operation amount to the control mechanism, and controlling the cylinder pressure based on a basic ignition timing when the attenuation rate is relatively large, and controlling the cylinder pressure based on an allowable ignition timing retarded from the basic ignition timing when the attenuation rate is relatively small.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: December 1, 2020
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Eiji Takahashi
  • Patent number: 10844755
    Abstract: A control valve for use in a cam timing phaser arrangement is disclosed comprising a cylindrical valve body, a rotational shuttle element coaxially located within a recess of the valve body, and a blocking pin. When using in a cam timing phaser arrangement having a first phasing chamber and a second phasing chamber, the control valve when non-actuated acts as a double check valve, preventing flow between chambers. Actuation of the blocking pin limits rotation of the rotational shuttle element and results in the control valve allowing flow in a single flow direction between phasing chambers. The allowed direction of flow can be controlled by controlling the timing of the deployment of the blocking pin. A cam timing phaser arrangement, internal combustion engine, and vehicle comprising such a control valve are also disclosed.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: November 24, 2020
    Assignee: Scania CV AB
    Inventors: Daniel Olovsson, Mikael Eriksson
  • Patent number: 10837326
    Abstract: An internal combustion engine valve timing control device includes a communication passage formed in a first rotating member to communicate with a working chamber, and including a first opening. The first opening is opened to a back pressure chamber when a tip portion of a lock member is inserted in a lock hole, and is closed by the lock member when the tip portion of the lock member is out of the lock hole. A first cross-sectional area is smaller than a second cross-sectional area, wherein the first cross-sectional area is a smaller one of a minimum cross-sectional area of the communication passage and an open cross-sectional area of the first opening, and the second cross-sectional area is a smaller one of a minimum cross-sectional area of an exhaust passage and an open cross-sectional area of an opening of the exhaust passage opened to the back pressure chamber.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: November 17, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Shohei Okada, Kotaro Watanabe, Kuninaga Hatsugai
  • Patent number: 10830127
    Abstract: A crank drive device for an internal combustion engine which comprises a crankshaft configured to be eccentrically connected to a connecting rod of a piston and to drive the drive shaft. The crankshaft is eccentrically connected to the camshaft and is rotatably supported with respect to the camshaft. An auxiliary motor which is configured to rotate the rotatable eccentric system.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: November 10, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Joerg Kemmerling, Frank Wunderlich, Rainer Lach, Vanco Smiljanovski, Andreas Kuske
  • Patent number: 10830109
    Abstract: A variable valve mechanism includes a first member and a second member which are disposed between a cam and a valve, a switch pin that is displaced to connect and disconnect the first member to and from the second member, and a displacement device. The displacement device includes a ring-shaped plate that is fitted on a camshaft of the cam so as to be co-rotatable with the camshaft and slidable in a longitudinal direction of the camshaft and that has one side surface configured to contact the switch pin and has the other side surface including a tapered surface formed so that a plate thickness increases toward a rotational direction, and a support device formed by a support pin and a moving device that moves the support pin to a position where the support pin contacts the tapered surface and a position not contacting the tapered surface.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: November 10, 2020
    Assignee: OTICS CORPORATION
    Inventor: Naoki Hiramatsu
  • Patent number: 10823093
    Abstract: Methods and systems are provided for diagnosing valve operation during a cylinder deactivation event in a variable displacement engine. Crankshaft acceleration data is captured during an exhaust stroke of a deactivated cylinder and compared to a calibrated map of crankshaft acceleration data for the given cylinder. Based on the comparison, it may be indicated that the deactivation of the exhaust valve of the given cylinder is degraded, and that the exhaust valve is open when commanded closed.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: November 3, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Tyler Kelly, Adam Krach
  • Patent number: 10823029
    Abstract: A skip fire control that relies on a combination of a torque request, exhaust temperature, and air-fuel ratio in determining firing density is described. Also, skipped firing opportunities may either pump or not pump air into an exhaust system, allowing an exhaust gas temperature in the exhaust system to be controlled or modulated. The present invention is also related to Dynamic Skip Fire (DSF), where a decision to either fire or skip cylinders is made every firing opportunity.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: November 3, 2020
    Assignee: Tula Technology, Inc.
    Inventors: Shikui Kevin Chen, Matthew A. Younkins
  • Patent number: 10823017
    Abstract: A dual cam phaser for an internal combustion engine, the dual cam phaser including a stator which is drivable by a crankshaft; a rotor which rotatable relative to the stator; a first camshaft; a second camshaft; and a mechanical switching element which is connected to the first camshaft and the second camshaft, wherein the first camshaft and the second camshaft are arranged coaxial with one another, wherein the first camshaft or the second camshaft is connected with the rotor to rotate together with the rotor, and wherein a phase difference between the first camshaft and the second is adjustable by the mechanical switching element.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: November 3, 2020
    Assignee: ECO Holding 1 GmbH
    Inventors: James Morehead, Daniel Sing
  • Patent number: 10815838
    Abstract: A continuously variable valve duration apparatus may include a camshaft, a cam unit including a cam, and the camshaft inserted into the cam, a guide shaft on which a guide screw thread is formed and disposed perpendicular to the camshaft, a guide bracket on which the guide shaft is mounted, an inner wheel configured to transmit rotation of the camshaft to the cam unit, a wheel housing into which the inner wheel is rotatably inserted and movable perpendicular to the camshaft, and the wheel housing disposed within the guide bracket, a worm wheel to which an inner screw thread configured to engage with the guide screw thread is formed therewithin, and to which an outer screw thread is formed thereon, and the worm wheel disposed within the wheel housing, a control shaft on which a control worm configured to engage with the outer screw thread is formed.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: October 27, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: You Sang Son, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Back Sik Kim, Seung Jae Lee
  • Patent number: 10815879
    Abstract: A control method and a control device are provided for an internal combustion engine structured to vary a mechanical compression ratio by varying a range of slide of a piston with respect to a cylinder bore. A control process includes: acquiring a temperature correlating with a cylinder bore wall temperature; fixing the mechanical compression ratio to a preset compression ratio point, in response to a condition that the acquired temperature is lower than a preset temperature point; and setting the preset temperature point higher than a point corresponding to a point of the cylinder bore wall temperature at which condensed water occurs in the cylinder bore.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: October 27, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Hiroaki Hoshikawa, Kakuzou Kaneko, Yukinaga Moriguchi, Kazuo Muraki
  • Patent number: 10815841
    Abstract: In a valve drive system, a rocker arm is swung by a cam. An exhaust valve abuts on a first end portion of the rocker arm. A second end portion of the rocker arm is supported by a lash adjuster. The lash adjuster includes a bottomed cylindrical body, a plunger that is contained in the body and that is biased in a direction in which the plunger abuts on the rocker arm, a pooling chamber that is formed in the plunger, a filling chamber that is formed by the plunger and a bottom surface of the body, and a valve body that blocks inflow of oil from the pooling chamber to the filling chamber when the plunger is put in the body. The oil supply to the pooling chamber is stopped when an exhaust throttle valve is closed for actuating an exhaust brake.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: October 27, 2020
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Masahiro Nagae
  • Patent number: 10808581
    Abstract: A valve timing control device includes: a first clearance being formed between a radial other side of the outer circumference surface of the first shaft portion, and a confronting end surface of a radial other side of the inner circumference surface of the sliding hole, a second clearance being formed between an outer circumference of the second shaft portion on a side of the first clearance, and a radial other side of the inner circumference surface of the lock recessed portion, a stepped surface being formed at a connection portion between the first shaft portion and the second shaft portion, and having a stepped width in a radial direction, and a width of the second clearance being substantially identical to the width of the stepped surface.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: October 20, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventor: Shinji Urakawa
  • Patent number: 10808638
    Abstract: An air amount control valve of a vehicle changes an intake air amount drawn into a cylinder. A fuel cutoff process stops fuel injection from a fuel injection valve when stopping combustion in the cylinder in a case in which a crankshaft is rotating. When execution of the fuel cutoff process is requested, a temperature-increase limiting process is executed to draw fresh air into a catalyst by increasing the intake air amount through control of the air amount control valve. In a case in which an anomaly occurs in driving of the air amount control valve when executing the temperature-increase limiting process, an amount of air drawn into the catalyst is increased by increasing an engine speed.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: October 20, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takahiro Nishigaki, Ryohei Sugamata
  • Patent number: 10808580
    Abstract: An electrically-actuated camshaft phaser including an electrically-actuated lock that includes a planetary gear assembly having a camshaft ring gear configured to be connected to a camshaft, a sprocket ring gear configured to receive rotational input from a crankshaft, and one or more planet gears engaging the camshaft ring gear and the sprocket ring gear, wherein the planetary gear assembly changes the angular position of the camshaft relative to the crankshaft; an electric motor, coupled to the planetary gear assembly, and a solenoid, wherein the electric motor controls the relative angular position of the crankshaft relative to the camshaft and the solenoid selectively moves a mechanical connection into locking engagement thereby preventing relative movement between the camshaft relative to the crankshaft.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: October 20, 2020
    Assignee: BORGWARNER, INC.
    Inventors: Chad McCloy, Braman Wing
  • Patent number: 10801418
    Abstract: Methods and systems are provided for diagnosing a cylinder valve deactivation mechanism in an engine system having cam-actuated valves. Movement of a latch pin of the deactivation mechanism is inferred from an induction current generated by a solenoid coupled to the latch pin, and the inferred movement is used to diagnose operation of cylinder valve deactivation mechanism. The inferred movement and a profile of the induction current is also used to estimate camshaft and crankshaft timing for improved cylinder fuel delivery in the absence of a camshaft sensor.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: October 13, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Gregory McConville, Joseph Ulrey, Amey Karnik
  • Patent number: 10794302
    Abstract: A method for a knock control for an internal combustion engine with at least one cylinder, which is assigned to at least one intake valve, when knocking occurs in at least one cylinder by actuation of the intake valve associated with the cylinder detected as knocking, in such a way that the temperature of the charge of the cylinder detected as knocking is reduced, the knocking in the cylinder is reduced, on actuating the intake valve associated with the cylinder detected as knocking, a cylinder-specific and/or a global measure for power compensation of the internal combustion engine is performed.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: October 6, 2020
    Assignee: INNIO Jenbacher GmbH & Co OG
    Inventors: Nikolaus Spyra, Josef Thalhauser, Christian Thorsten Trapp, Georg Tinschmann
  • Patent number: 10781724
    Abstract: A camshaft adjusting system (1) is provided for a first camshaft (2) and a second camshaft (3) which are arranged concentrically with respect to one another, the second camshaft being arranged inside the first camshaft. A hydraulic camshaft adjuster (4) of the vane-cell type is set up for the adjustment of the first camshaft, and an electric camshaft adjuster (5) is set up for the adjustment of the second camshaft. A rotor contact flange (17) of an output ring (6) of the electric camshaft adjuster is arranged radially inside a first cover (23) of the hydraulic adjuster, the output ring which is equipped for the transmission of torque to the second camshaft is arranged at least partially radially and axially inside a rotor (7) of the hydraulic camshaft adjuster. A camshaft adjusting unit is also provided having a camshaft adjusting system of this type and two camshafts.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: September 22, 2020
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Jurgen Weber, Daniel Heise, Marco Hildebrand
  • Patent number: 10774764
    Abstract: In order to adequately suppress both an increase in NOx emission amount and deterioration of fuel consumption rate, the present invention provides a fuel injection control information generation device equipped with: a test point information storage unit for holding test point information including a plurality of test points constituted by sets of engine speed, fuel injection amount, and oxygen concentration; and a control information generation unit for generating, for each test point included in the test point information, fuel injection control information in which the engine speed, fuel injection amount, and oxygen concentration of the test point are associated with an optimum fuel injection timing at which an index pertaining to the total of a fuel consumption rate and an NOx emission amount in the test point becomes the smallest.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: September 15, 2020
    Assignees: ISUZU MOTORS LIMITED, TRANSTRON INC.
    Inventors: Satoshi Hanawa, Hidekazu Fujie, Yoshiaki Ikai, Takuma Degawa
  • Patent number: 10774697
    Abstract: An electric motor for an electric camshaft phaser, including: a housing; a nut fixed with respect to the housing and including a first plurality of threads; a drive shaft including a second plurality of threads, a portion of which is meshed with the first plurality of threads, and including a first segment; a rotor rotationally fixed to the drive shaft, and radially surrounding the drive shaft; a stator radially surrounding the rotor, and arranged to be energized to rotate the rotor and the drive shaft; and a first blocking element. The drive shaft is rotatable with respect to the nut, and the first segment is arranged to connect to the electric camshaft phaser to rotate an output gear of the electric camshaft phaser. A rotation of the drive shaft, in a first circumferential direction, is blocked by a contact of the first blocking element with the nut.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: September 15, 2020
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Ayushmoy Roy
  • Patent number: 10753299
    Abstract: Methods and systems are provided for operating a split exhaust engine system that provides blowthrough air and exhaust gas recirculation to an intake passage via a first exhaust manifold and exhaust gas to an exhaust passage via a second exhaust manifold. In one example, an amount of opening overlap between a plurality of intake valves and a first set of exhaust valves coupled to the first exhaust manifold may be adjusted responsive to a transition from an estimated combustion air-fuel content to a leaner air-fuel content of the blowthrough air on a cylinder to cylinder basis. As one example, the transition may be determined from an output of an oxygen sensor positioned within the first exhaust manifold or an exhaust runner of each of the first set of exhaust valves.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: August 25, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Joseph Norman Ulrey, Gopichandra Surnilla
  • Patent number: 10744059
    Abstract: Multipurpose tactile warning panels for use in pedestrian walkways, and in particular tactile warning panels that are designed and built with multifunction/multipurpose capabilities that serve the visually impaired and enable the deployment of smart city technology by integrating tactile warning systems and subsurface enclosures that can withstand pressures of five (5) tons up to and exceeding sixty (60) tons and incorporate small cells, beacons, sensors, Fog Computing, electric energy generation, rechargeable power supplies, wireless M2M communication and a plethora of other smart city technologies.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: August 18, 2020
    Assignee: Brandbumps, LLC
    Inventors: Christopher Gary Henshue, Gary LaVerne Henshue, James Cyrus Rice
  • Patent number: 10746645
    Abstract: Systems and methods for predicting engine performance are provided herein. A fluid sample having particles suspended therein is received from a first engine. A plurality of particles are extracted from the fluid sample. Features of the plurality of particles extracted from the fluid sample and features of particles of reference fluid samples from a plurality of reference engines are obtained. A plurality of correlation indices indicative of a level of correlation between the first engine and each one of the plurality of reference engines is determined. The correlation indices are compared to a threshold to determine a subset of the plurality of reference engines. Performance history for the engines in the subset is obtained. From the performance history, the first engine is determined as having a similarity in performance with the engines in the subset. An output is generated indicating a predicted performance for the first engine.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: August 18, 2020
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Maurice Jean, Frederic Busnel
  • Patent number: 10738666
    Abstract: A control system for an oil supply mechanism includes an oil pump, a hydraulic pressure sensor, a drive shaft, a pump pulley, a toothed belt, and an output shaft. An electronic control unit included by the control system detects an abnormality of the toothed belt based on a comparison result between an actual value and a theoretical value that are frequencies of pressure pulsations of oil. The actual value is a value calculated based on time fluctuations of a hydraulic pressure detected by the hydraulic pressure sensor. The theoretical value is a value calculated based on a rotational speed of the output shaft and the number of teeth of an inner rotor.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: August 11, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Shingo Okazawa
  • Patent number: 10718239
    Abstract: The present disclosure provides a valve timing adjustment apparatus for an internal combustion engine. The apparatus includes an anti-rotation mechanism for inhibiting a position change between a rotor and a housing by inhibiting or preventing relative rotation of the rotor to the housing. The anti-rotation mechanism includes: a plurality of locking grooves formed on the ratchet plate with different depths and connected to each other; and a locking pin member having an outer pin elastically disposed in a fitting hole formed in one of the vanes, and an inner pin elastically disposed inside the outer pin. In particular, the inner pin locks the rotor to the housing when the outer pin and the inner pin are sequentially fitted in the locking grooves by torque from the camshaft.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: July 21, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, DELPHI POWERTRAIN SYSTEMS KOREA LTD., PINE ENGINEERING LTD.
    Inventors: Koun Young Jang, Sung Dae Kim, Sang Ho Lee, Jae Young Kang, Sung Hoon Baek, Soo Deok Ahn
  • Patent number: 10711660
    Abstract: An electric-hydraulic camshaft phaser assembly, including a hydraulic camshaft phaser and an electric camshaft phaser. The hydraulic camshaft phaser includes: a stator arranged to receive rotational torque and including a plurality of radially inwardly extending protrusions; a rotor arranged to be non-rotatably connected to a first camshaft and including a plurality of radially outwardly extending protrusions circumferentially interleaved with the plurality of radially inwardly extending protrusions; and a plurality of chambers bounded at least in part by the plurality of radially inwardly extending protrusions and the plurality of radially outwardly extending protrusions. The electric camshaft phaser includes: an input non-rotatably connected to the stator; an output gear; and at least one protrusion fixed to the output gear and arranged to be inserted into at least one slot of a second camshaft.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: July 14, 2020
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Dan Zehan
  • Patent number: 10711659
    Abstract: A camshaft phaser for a concentric camshaft assembly includes a stator defining a cavity and configured to receive power from an engine crankshaft. A rotor is supported within the cavity and is rotatable relative to the stator. A drive adapter has a shank and a head. The shank is extendable through the rotor and is configured to engage with an inner camshaft. The head has an end face defining a first key feature and a continuous groove. A drive plate is fixed to the stator and includes a radial wall defining a second key feature engageable with the first key feature to rotationally fix the drive adapter to the drive plate. An annular gasket is received in the groove and is sealable with the wall.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: July 14, 2020
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventor: Shannon Bell
  • Patent number: 10711661
    Abstract: A method for operating a drive apparatus, having a reciprocating-piston engine and an exhaust-gas-driven turbocharger, of a motor vehicle, the reciprocating-piston engine being operated in a four-stroke mode during on-load operation; and the exhaust-gas-driven turbocharger having an electrical machine, in particular a media gap machine, that is operated in generator mode during overrun operation of the reciprocating-piston engine. During overrun operation, the reciprocating-piston engine is operated in a two-stroke mode.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: July 14, 2020
    Assignee: Robert Bosh GmbH
    Inventors: Michael Nau, Michael Bauerle
  • Patent number: 10711654
    Abstract: A valve timing controller includes: a driving side rotation member synchronously rotating with a crankshaft of an internal combustion engine; a driven side rotation member disposed coaxially with a rotary shaft center of the driving side rotation member and rotating integrally with a valve opening/closing cam shaft; advancing and retarding chambers formed between the driving side and driven side rotation members; a valve unit disposed coaxially with the rotary shaft center and controlling feeding and discharging of a fluid to and from the advancing and retarding chambers; and a tubular valve case having an internal space extending in a direction along the rotary shaft center, accommodating the valve unit in the internal space, having an opening at one end in the direction along the rotary shaft center, and having a bottom portion at the other end.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: July 14, 2020
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yusuke Hisaeda, Takeo Asahi, Hideyuki Suganuma, Tomohiro Kajita
  • Patent number: 10711656
    Abstract: A control apparatus of a valve opening/closing timing control mechanism, configured by including driving side and driven side rotating bodies; a stopper unit; and an electric motor, includes: a phase controller controlling an electric motor to reduce, when a target phase is set, a deviation between the target phase and a current first actual phase and reducing power to be supplied to the electric motor as the deviation decreases; and a control target setting unit setting a first target phase displaced to a side of the first actual phase in an operation direction where the deviation is reduced when the target phase is set to a most retarded or most advanced angle phase, in which the phase controller executes a first phase control of reducing a deviation between the set first target phase and the current first actual phase.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: July 14, 2020
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yuji Kakuda, Toshiki Sato, Shogo Katsuki, Yugo Kurahashi
  • Patent number: 10697392
    Abstract: Provided is a vehicle control apparatus which can output, to the outside, a signal input from a sensor to an arithmetic processing unit while keeping delay at a lower level. An ECU (vehicle control apparatus) includes an arithmetic processing unit having a pair of an input port and an output port assigned to a sensor signal indicating a signal output from a sensor. The arithmetic processing unit performs arithmetic processing by using the sensor signal input from the input port, and outputs the sensor signal from the output port.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: June 30, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masataka Ota, Yasuhiko Nagata, Kou Moriya
  • Patent number: 10697330
    Abstract: A valve train device, in particular for an internal combustion engine, includes a support element and a cam element which can be moved axially relative to the support element. The valve train device further includes a switch unit for axially moving the cam element, which switch unit includes a displacer that is intended to be at least operatively inserted between the support element and the cam element in order to axially move the cam element.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: June 30, 2020
    Assignee: Daimler AG
    Inventors: Thomas Stolk, Alexander Von Gaisberg-Helfenberg
  • Patent number: 10697334
    Abstract: A driving rotor is configured to rotate about a rotational shaft center in conjunction with a crankshaft. A driven rotor is configured to rotate about the rotational shaft center in conjunction with the camshaft. A deceleration mechanism is configured to change a relative rotational phase between the driving rotor and the driven rotor by using a driving force of an electric motor. The deceleration mechanism includes an internal gear portion, which includes an internal tooth extending radially inward, and an external gear portion, which includes an external tooth extending radially outward and engaging with the internal tooth. A linear expansion coefficient of the external gear portion is greater than a linear expansion coefficient of the internal gear portion.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: June 30, 2020
    Assignee: DENSO CORPORATION
    Inventors: Soichi Kinouchi, Akira Iwasaki
  • Patent number: 10683818
    Abstract: An operating range boundary for switching a cam for driving an intake valve (drive cam) is changed in a direction of increasing an engine load if a target EGR rate is predicted to increase across the contour line of the EGR rate during an acceleration operation. By changing to such a high load direction, a range in which a large cam is selected is enlarged. That is, switching of the drive cam from the large cam to a small cam is delayed.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 16, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Akira Kato
  • Patent number: 10683781
    Abstract: An adjustable camshaft for a valve train of an internal combustion engine may include an inner shaft that is rotatable in an outer shaft, a phase shifter by which the outer shaft and/or the inner shaft are/is adjustable in a phase position formed around an axis of rotation, and a bearing portion for bearing the camshaft, via which the phase shifter can be supplied with a pressurizing medium. The inner shaft may comprise an end on which a screw flange is arranged, and a rotor of the phase shifter may be connected to the screw flange. A free end of the inner shaft comprises a duct that coincides with the axis of rotation for at least partially supplying the phase shifter with a pressurizing medium. The duct may extend at least into the bearing portion.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: June 16, 2020
    Assignees: THYSSENKRUPP PRESTA TECCENTER AG, THYSSENKRUPP AG
    Inventors: Michael Kunz, Bernd Mann, Uwe Dietel, Martin Lehmann
  • Patent number: 10677174
    Abstract: Methods and systems are provided for providing exhaust gas recirculation to a naturally aspirated internal combustion engine. In one example, exhaust gas is recirculated to an engine intake via a dedicated scavenging manifold and a scavenging exhaust valve. The exhaust gas and fresh air that has not participated in combustion may be recirculated to engine cylinders even at high engine loads since the exhaust gas and fresh air is returned to the engine air intake at a pressure greater than atmospheric pressure.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: June 9, 2020
    Assignee: Ford Global Technologies, LLC
    Inventor: Joseph Norman Ulrey
  • Patent number: 10677111
    Abstract: Methods and systems are provided for an engine including cams having different lobe profiles. In one example, cams of a first cam group drive a plurality of deactivatable cylinder valves and cams of a second cam group drive a plurality of non-deactivatable cylinder valves. The cams of the first cam group include a different lobe profile relative to cams of the second cam group.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: June 9, 2020
    Assignee: Ford Global Technologies, LLC
    Inventors: Danny Nakhle, Kevin Shinners, Robert Stephen Furby
  • Patent number: 10677178
    Abstract: An operating range boundary for switching a cam for driving an intake valve (drive cam) is changed in a direction of decreasing an engine load if a target EGR rate is predicted to increase across the contour line of the EGR rate. By changing the boundary, the drive cam is switched from a large cam to a small cam before an operating point is transferred from a partitioned range with a low target EGR rate to a partitioned range with a high target EGR rate.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: June 9, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Kato, Shinichi Mitani, Shintaro Hotta
  • Patent number: 10669901
    Abstract: A rocker arm assembly for use in a valve train carrier, the rocker arm assembly being rotatable around a rocker shaft supported by the valve train carrier based upon a lift profile provided on a cam that rotates with a camshaft, a rotation of the rocker arm assembly causing translation of a corresponding engine valve, includes: a rocker arm body having an opening that receives the rocker shaft, the rocker arm body further defining an oil supply channel; a capsule assembly disposed on the rocker arm body and that selectively communicates oil to and from the oil supply channel, the capsule assembly including: a plunger assembly having a plunger that selectively translates within a plunger chamber between an extended rigid position based upon the plunger chamber being pressurized with oil and a retracted non-rigid position based upon the plunger chamber being depressurized, the plunger moving move the engine valve.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: June 2, 2020
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventor: Majo Cecur
  • Patent number: 10662829
    Abstract: A housing is rotatable synchronously with a crankshaft of an engine. A plurality of external teeth arrangements is respectively shaped into a ring form and is formed integrally with the housing in one piece and is configured to mesh with a plurality of chains, respectively, each of which is wound around the crankshaft or a sprocket that is rotatable. A cam plate is connected to a camshaft of the engine and is rotatable relative to the housing. A plurality of stoppers is formed integrally with the housing in one piece while the stoppers are configured to limit relative rotation between the housing and the cam plate within a predetermined range when the stoppers contact the cam plate. Each stopper is placed at a position, at which the stopper does not overlap with any of the external teeth arrangements in a view taken in an axial direction of the housing.
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: May 26, 2020
    Assignee: DENSO CORPORATION
    Inventors: Akira Iwasaki, Genki Suzuki
  • Patent number: 10662831
    Abstract: A method for controlling an engine having a continuous variable valve duration (CVVD) apparatus is provided. The method includes: correcting a torque required by a driver; transmitting, by a hybrid control unit (HCU), a start signal to an engine control unit (ECU) when the corrected torque satisfies conditions required to drive the engine; determining a target CVVD value for operation of an intake CVVD apparatus corresponding to the corrected torque; determining a target current value corresponding to the target CVVD value; and changing the target CVVD value to a synchronizing CVVD value when a current state of the engine is in a cranking interval, wherein the synchronizing CVVD value is configured to synchronize starting revolutions per minute (RPM) of the engine with RPM of an automatic transmission or RPM of a motor generator.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: May 26, 2020
    Assignees: Hyundai Motor Company, KIA Motors Corporation
    Inventors: Young Kyu Oh, Yeong Jin Nam, Yong Seok Kim, Se Geun Kim