Actuator Circuit (e.g., Engine Condition Responsive Electronic Circuit Actuates Injector Valve) Patents (Class 123/478)
  • Patent number: 10294878
    Abstract: A turbocharger control system of a vehicle includes a trigger module that generates a trigger signal when a transmission of the vehicle is in one of (i) park and (ii) neutral. A wastegate target module, in response to the generation of the trigger signal, sets a target opening of a turbocharger wastegate to a predetermined opening and independently of a position of an accelerator pedal. The predetermined opening is greater than zero percent opening of the turbocharger wastegate. A wastegate actuator module actuates the turbocharger wastegate based on the target opening of the turbocharger wastegate.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: May 21, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Maqsood Rizwan Ali Khan, Mark R. Claywell, Scott M. Reilly
  • Patent number: 10267253
    Abstract: A booster circuit installed in a fuel injection device of an internal combustion engine, wherein malfunctions and characteristic changes of the booster circuit are detected, among which the detection distinguishes between decreases in capacity caused by deterioration or broken wires in a booster capacitor, and failures of a current monitor circuit, coil, externally connected fuel injection valve, and other components. The range of decrease in boost voltage when the fuel injection valve is opened is monitored, as is the range of increase per switch performed in order to restore the boost voltage. This makes it possible to detect malfunctions and characteristic changes of the booster circuit.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: April 23, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Atsushi Okonogi, Takao Fukuda
  • Patent number: 10232924
    Abstract: An engine control device includes an obtaining unit, a determining unit, and a control unit. The obtaining unit obtains model information on an engine based on a signal from a sensor, the sensor detecting a rotation of a camshaft unit. The determining unit determines whether the model information obtained by the obtaining unit matches stored model information. The control unit gives a warning to a user when the determining unit determines that the model information is not matched and controls the engine corresponding to the stored model information when the determining unit determines the model information is matched.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: March 19, 2019
    Assignee: SUZUKI MOTOR CORPORATION
    Inventors: Masaya Nishio, Tomohiko Miyaki
  • Patent number: 10227940
    Abstract: The objective of the present invention is to provide a control device for an engine that enables precise control of the equivalence ratio. The system from the fuel injection amount to the output from a LAF sensor is modeled as an injection amount-sensor output model by means of a model equation containing model parameters and a lag coefficient. The system from the equivalence ratio to the LAF sensor output is modeled as a port equivalence ratio-sensor output model by means of a model equation containing the lag coefficient. The control device is equipped with: a feedback-use identifier that successively identifies values for the model parameters; a LAF lag compensation-use identifier that successively identifies values for the lag coefficient; and a stoichiometric driving mode controller that determines the value of a fuel injection amount.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: March 12, 2019
    Assignees: HONDA MOTOR CO., LTD., DELPHI INTERNATIONAL OPERATIONS LUXEMBOURG S.A.R.L.
    Inventors: Yuji Yasui, Hideki Matsunaga, Hans Hardam, Toshiharu Takahashi, Masatoshi Yamada, Hiroshi Uike
  • Patent number: 10221801
    Abstract: A closed loop control system for a fuel pump based on characteristics of speed, pressure, and current. The pressure generated by the pump system is increased at the point in time when the pump system is working against a dead head system (i.e., coasting) to a level that a calibration valve is opened to a determined working point. By measuring the characteristic phase current as a function of the speed, the characteristic is able to be compared, with the pre-calibrated value of the hardware to perform an error compensation algorithm. The error compensation is overlaid with the standard pressure characteristic as a function of speed and phase current, and uses the pre-calibrated opening pressure value (i.e., the inflection point) of the calibration valve and/or in addition the change of the speed to the initial (first calibration), or to a sliding average therefrom.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: March 5, 2019
    Assignee: Continental Automotive Systems, Inc.
    Inventors: Andreas Sausner, Marc Völker
  • Patent number: 10215148
    Abstract: A method diagnoses a no-start condition in a powertrain having an engine and a starter system operable for starting the engine. The starter system includes a battery, solenoid relay, starter solenoid, and starter motor. The method includes recording starter data over a calibrated sampling duration in response to a requested start event when the solenoid relay is enabled, including a cranking voltage and engine speed. If no battery current sensor is used, the method derives a resistance ratio using an open-circuit voltage and a minimum cranking voltage of the battery. When such a sensor is used, the method derives a battery and starter resistance. A fault mode of the starter system is then identified via a controller using the starter data and either the resistance ratio or the battery and starter resistances. A control action executes that corresponds to the identified fault mode.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: February 26, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Shengbing Jiang, Xinyu Du
  • Patent number: 10180113
    Abstract: A control system for an internal combustion engine, which is capable of controlling fuel injection valves while causing valve-closing delay time periods, which occur with the valves actually mounted on the engine, to be reflected thereon, thereby making it possible to improve exhaust emission characteristics and fuel economy performance. The ECU of the control system performs initial value-specific control in fuel injection control and ignition timing control, such that initial value acquisition conditions are satisfied, so as to calculate the initial values of the valve-closing delay time periods when the initial value acquisition conditions are satisfied. When normal-time control is performed, the valve-opening time periods of the valves are calculated using the initial values of the valve-opening time periods, and the valves are controlled to be open over the valve-opening time periods.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: January 15, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tatsuo Yamanaka, Susumu Nakajima, Naoki Yokoyama, Kenji Hirose, Hidekazu Hironobu, Seiichi Hosogai
  • Patent number: 10176913
    Abstract: An output driving circuit outputs an output current to a solenoid incorporated in a vehicle through an output terminal. A detection resistor connected between the output terminal and the output driving circuit. An amplification unit configured to output an analog detection signal generated by amplifying a voltage between both ends of the detection resistor. A current generation circuit configured to output a reference current. A reference resistor connected between the current generation circuit and a ground and configured to output a reference voltage according to the reference current. An A/D converter configured to convert the analog detection signal into a digital detection signal using the reference voltage as a reference. A control circuit configured to control the output current output from the output driving circuit according to the digital detection signal.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: January 8, 2019
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Satoshi Kondo, Kazuaki Kubo, Noriyuki Itano
  • Patent number: 10161307
    Abstract: Technology is provided for a bilateral engine control system for use on a multi-cylinder opposed piston engine. The system includes first and second sets of injectors, each set mountable on first and second sides of an engine. Each injector is in fluid communication with a corresponding cylinder of the engine. First and second engine control units are each connected to a respective set of injectors. First and second crankshaft speed sensors are connected to respective engine control units. The first engine control unit independently controls the first set of injectors based on a first speed signal and the second engine control unit independently controls the second set of injectors based on a second speed signal. The first engine control unit and the second engine control unit are configured to activate corresponding injectors of the first and second sets of injectors at substantially the same time.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: December 25, 2018
    Assignee: Fairbanks Morse LLC
    Inventors: Raymond Gosz, Omar Elkolaly
  • Patent number: 10156199
    Abstract: A drive control circuitry and an electronic control circuitry for controlling energization of a plurality of fuel injection valves. The plurality of fuel injection valves including a second fuel injection valve currently injecting fuel and a first fuel injection valve which, of the plurality of fuel injection valves, was last energized before the second fuel injection valve. When an energization start interval between a start of energization of the first fuel injection valve and a start of energization of the second fuel injection valve is longer than or equal to a peak reaching time of the first fuel injection valve, an energization time of the second fuel injection valve is extended as the energization start interval reduces. When the energization start interval is shorter than the peak reaching time, the energization time of the second fuel injection valve is reduced as the energization start interval reduces.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: December 18, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomohiro Nakano, Eiji Murase, Rihito Kaneko, Masanao Idogawa
  • Patent number: 10094319
    Abstract: Various methods are provided for operating a fuel pump. In one example, a method of operating a fuel pump comprises iteratively reducing an on-duration of a low pressure fuel pump pulse, until a peak outlet pressure of the fuel pump decreases from a peak outlet pressure corresponding to a previous pulse, to identify a minimum pulse duration, and applying a pulse having the minimum pulse duration to the fuel pump.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: October 9, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: Joseph Norman Ulrey, Ross Dykstra Pursifull
  • Patent number: 10087866
    Abstract: A fuel injection system for an internal combustion engine includes a fuel injector and an engine control system. The engine control system is configured to send electrical fuel injection signals to the fuel injector to open the fuel injector, monitor a current amplitude of electrical fuel injection signals, detect the mechanical openings of the fuel injector based on the monitored current amplitudes of electrical fuel injection signals according to inflection points between a decreasing slope and an increasing slope in the monitored current amplitudes of electrical fuel injection signals, calculate time delays between the sent electrical fuel injection signals and the mechanical openings of the fuel injector, and set durations of electrical fuel injection signals based on the calculated time delays.
    Type: Grant
    Filed: January 18, 2016
    Date of Patent: October 2, 2018
    Assignee: Infineon Technologies AG
    Inventors: Seng Hung Tervin Tan, Jin Seo Park, Patrick Leteinturier
  • Patent number: 10054077
    Abstract: A method for operating a fuel injector having at least one injection orifice that is controlled by an injector needle, in which pressure variations during the opening and/or closing of the injector needle are ascertained with the aid of a sensor. In order to determine the opening/closing instant of the injector needle, a variable that characterizes the velocity of sound of a pressure wave by the opening and/or closing is measured, and the wave propagation time, by which the needle or valve opening/closing instant is corrected, is inferred therefrom.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: August 21, 2018
    Assignee: ROBERT BOSCH GMBH
    Inventors: Hanna Zimmer, Stephan Olbrich
  • Patent number: 10048160
    Abstract: A method is disclosed for diagnosing a valve assembly having valve members serially arranged along a flow channel of the valve assembly connecting at least one inlet and at least one outlet of the valve assembly. All of the serially arranged valve members of the valve assembly are opended to allow fluid to flow through the flow channel. The flow of fluid through the flow channel is measured by at least one sensor. At least one of the valve members is openend, and at least one sensor checks for fluid leakage caused by at least one faulted valve member. The at least one sensor may include a flow sensor, e.g., a mass flow sensor.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: August 14, 2018
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Thomas Gnoss, Michael Heger, Rainer Lochschmied, Anton Pallek, Mike Schmanau, Bernd Schmiederer, Martin Wetzel, Armin Wiegand
  • Patent number: 10041430
    Abstract: The present disclosure provides a system for adjusting a fuel injector drive signal during a fuel injection event wherein the system comprises an engine having a fuel injector, a fuel control module configured to generate control signals corresponding to a desired fueling profile of a fuel injection event, and a fueling profile interface module that outputs drive profile signals to the fuel injector in response to the control signals to cause the fuel injector to deliver an actual fueling profile, wherein the fueling profile interface module changes the drive profile signals during the fuel injection event in response to a parameter signal indicating a characteristic of the actual fueling profile.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: August 7, 2018
    Assignee: CUMMINS INC.
    Inventors: Jalal Syed, Ulf Carlsson, Rodney J. Hemmerlein, Douglas W. Memering
  • Patent number: 10043681
    Abstract: A fluid supply system includes a pressure tank configured to contain a pressurized gas and a fluid, a delivery point configured to be connected to a point of use, a recirculation piping connecting the pressure tank to the delivery point, and a return pump connected to the recirculation piping. The recirculation piping defines a circulation path for the fluid from the pressure tank through the delivery point and back to the pressure tank. The return pump is downstream of the delivery point and upstream of the pressure tank in the circulation path.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: August 7, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ching-Jung Hsu, Yung-Ti Hung, Chun-Feng Hsu, Nan-Peng Cheng
  • Patent number: 10018137
    Abstract: A control device for a fuel injection system includes a CPU which generates a drive signal for instructing execution of compression by a fuel pump; a fuel pump drive circuit which controls application of electric power to a solenoid of the fuel pump based on the drive signal; a boost circuit provided with a capacitor for storing electric power to be used for driving an injector; a charging circuit which leads a current generated when the application of electric power to the solenoid is stopped to the capacitor; and an excess electric power consumption circuit which consumes excess electric power of the capacitor. While fuel injection from the injector is stopped, the CPU counts the number of times the fuel pump is driven and turns off the drive signal so as to stop driving the fuel pump as soon as the drive count has exceeded a predetermined count value.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: July 10, 2018
    Assignee: HONDA MOTOR CO., LTD
    Inventor: Tatsuo Yamanaka
  • Patent number: 9970349
    Abstract: To enhance responsivity of temperature sensor detecting an engine temperature. A temperature sensor component 40 includes a metal washer 42. The temperature sensor component 40 transfers the engine temperature to a sensor body 46 via the heat transfer washer 42. A cylinder portion 8 of a cylinder block 64 has two bosses 30. The washer 42 of the temperature sensor component 40 is fixed to the boss 30 together with the electronic control unit 20.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: May 15, 2018
    Assignees: Yamabiko Corporation, Walbro LLC
    Inventors: Takuo Yoshizaki, Kosuke Matsumoto, Hisato Osawa, Yuuta Kobayashi, Hiroki Ogasawara
  • Patent number: 9926879
    Abstract: An electronic control unit that calculates an injection standby period, which is a period from an energization start point of the solenoid to a point at which the fuel injection valve opens, and adjusts an energization period of the solenoid in accordance with the calculated injection standby period. The electronic control unit of the control apparatus for a fuel injection valve then measures a reference fall detection period, which is a period from the energization start point to a reference fall detection point, and sets the injection standby period to be longer as the reference fall detection period is longer. Here, the reference fall detection point is a point at which the excitation current detected by the current detection circuit falls below a reference current value, which is smaller than a peak current value, while the excitation current decreases after reaching the peak current value.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: March 27, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tomohiro Nakano, Eiji Murase, Rihito Kaneko
  • Patent number: 9915570
    Abstract: Accurate measurement and monitoring of a computer room air conditioning unit's cooling production, distribution, and consumption is necessary to optimize effectiveness and efficiency and minimize redundancy. A mass air flow monitoring device comprises an array of sensor modules and a controller module with display, user interface, and I/O for third party connectivity. The device monitors temperature, pressure, water content, and quantity of airflow in a CRAC's supply air stream and return air stream and compares the two measurements to determine the amount of energy, or enthalpy, put into or taken out of the air. The result, displayed in watts, allows for the efficient control of production, distribution, and usage of supply air from the CRAC unit. Over or under provisioning can be quickly identified and corrected and, when used in conjunction with power consumption monitoring, a “watts of cooling for watts of power consumption” efficiency metric can be provided.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: March 13, 2018
    Assignee: DCIM Solutions, LLC
    Inventor: Anthony Gennello
  • Patent number: 9897021
    Abstract: A system includes a combustion engine having an intake manifold and an exhaust manifold, an exhaust gas recirculation (EGR) system coupled to the combustion engine and configured to route exhaust generated by the combustion engine from the exhaust manifold to the intake manifold, and a first knock sensor coupled to the combustion engine and configured to measure vibrations of the combustion engine and output a first vibration signal. The system also includes a controller communicatively coupled to the combustion engine, the knock sensor, the EGR system, or any combination thereof. The controller is configured to determine a peak firing pressure (PFP) within the combustion engine and control operations of both the combustion engine and the EGR system based on the PFP.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: February 20, 2018
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Jeffrey Jacob Bizub, Dhruval Bhatt
  • Patent number: 9897055
    Abstract: A method and system is disclosed for delivering a cryogenically stored fuel in a gaseous state into the air intake system of a gaseous fuelled internal combustion engine. The method comprises determining the flow rate capacity in the engine system's fuel delivery line, comparing the determined flow rate capacity to a required flow rate demand and supplying fuel in gaseous state directly from the vapor space of the cryogenic storage vessel to the fuel delivery line that supplies fuel to the engine, when the flow rate capacity is equal to or higher than the required flow rate demand. The method further comprises activating a cryogenic pump to deliver fuel to the internal combustion engine from the liquid space of the cryogenic storage vessel when the determined flow rate capacity is lower than the required flow rate demand.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: February 20, 2018
    Assignee: WESTPORT POWER INC.
    Inventors: Gregory A. Batenburg, Anuja S. Bengali, Gage Garner
  • Patent number: 9874189
    Abstract: A method is disclosed to determine the opening degree of injectors in cylinders of a combustion engine, where the combustion engine has at least three cylinders. The injectors are connected to a fuel accumulator in a common rail fuel injection system; the fuel supply to the fuel accumulator is interrupted; and subsequently a test injection of fuel is carried out into at least two and, at most, all but for one cylinder at a time, in different combinations, at such a time that the injection does not cause any combustion in the cylinders. The pressure decreases caused in connection with the different test injections are measured, and the pressure decrease that is attributable to at least one specific injector is calculated based thereupon, which is, in turn, used in the determination of the injector's opening degree.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: January 23, 2018
    Assignee: SCANIA CV AB
    Inventor: Daniel Bjurefors
  • Patent number: 9874156
    Abstract: The present invention is equipped with: a valve opening/closing timing control mechanism that sets the opening/closing timing of an exhaust valve; and a lock mechanism that holds the rotation phase of the valve opening/closing timing control mechanism in a first lock phase, in which the open state of the exhaust valve is maintained when the intake valve opens.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: January 23, 2018
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Masaki Kobayashi, Masaaki Kaneko, Seiichi Fujimoto
  • Patent number: 9869264
    Abstract: A computer-implemented method for calculation and output of control pulses by a control unit having a first computing unit and a second computing unit, wherein the control pulses are output by the control unit to an internal combustion engine. The calculation of the control pulses is optimized in that the first computing unit calculates a control pulse pattern with triggering information for multiple future control pulses at a first sampling rate using prior state data of the engine, and transmits the calculated control pulse pattern to the second computing unit, that the second computing unit at a second sampling rate that is greater than the first sampling rate of the first computing unit corrects the triggering information of the control pulses that are currently to be output using current state data of the engine, and that control pulses are output to the engine based on the corrected triggering information.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: January 16, 2018
    Assignee: dSPACE digital signal processing and control engineering GmbH
    Inventors: Laszlo Juhasz, Dirk Berneck
  • Patent number: 9857404
    Abstract: A method for determining a resistance value of a plural number of actuating devices is provided. The method features a step of the application of a test current pulse at each of the plural number of actuating devices. Moreover, the method features the step of the evaluation of a total current of output currents of the plural number of actuating devices engaging on the test current pulses at a measuring resistor, in order to determine the resistance value of the plural number of actuating devices.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: January 2, 2018
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Horst Kiebler, Ralf Brauchle, Kristian Mueller, Peter Sigg
  • Patent number: 9850910
    Abstract: To enhance responsivity of temperature sensor detecting an engine temperature. A temperature sensor component 40 includes a metal washer 42. The temperature sensor component 40 transfers the engine temperature to a sensor body 46 via the heat transfer washer 42. A cylinder portion 8 of a cylinder block 64 has two bosses 30. The washer 42 of the temperature sensor component 40 is fixed to the boss 30 together with the electronic control unit 20.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: December 26, 2017
    Assignee: Yamabiko Corporation
    Inventors: Kosuke Matsumoto, Takuo Yoshizaki, Yuuta Kobayashi, Hisato Osawa
  • Patent number: 9845783
    Abstract: A multi-mode powertrain system including an internal combustion engine, a high-voltage electric machine and a high-voltage electric power system is described. A method for controlling the multi-mode powertrain system includes, in response to an operator initiating a jumpstart, electrically connecting the high-voltage electric power system to a remote electric power source and energizing contactors between the high-voltage electric power system and the remote electric power source. Electric power flow through an auxiliary power module electrically connected to the high-voltage electric power system that supplies electric power to an accessory device is minimized. Engine starting parameters are modified, and the internal combustion engine is started by controlling, via a controller, the high-voltage electric machine to spin the internal combustion engine, and controlling operation of the internal combustion engine based upon the modified engine starting parameters to effect starting.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: December 19, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Russell K. Steele, James F Crawford, Stephen D Gurski
  • Patent number: 9828923
    Abstract: A control device for an internal combustion engine, which can accurately estimate an intake air amount introduced from an intake system into an internal combustion engine, is provided. The control device calculates the change amount of an air amount in an upstream section upstream of a throttle valve of the intake system based on the pressure and temperature of air in the upstream section; calculates a throttle passage air amount flowing out to an intake manifold, which is a section downstream of the throttle valve, based on the change amount and an introduced air amount flowing into a supercharger; and calculates the intake air amount based on the throttle passage air amount.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: November 28, 2017
    Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Hitoshi Toda, Toshiyuki Miyata
  • Patent number: 9803570
    Abstract: Methods and systems for operating an engine during conditions where ambient humidity changes over time are presented. In one non-limiting example, an engine air flow limit is adjusted to increase engine air flow during high humidity conditions such that an engine may provide equivalent torque output during the high humidity conditions as compared to when the engine is operated during low humidity conditions.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: October 31, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Gopichandra Surnilla, Jeffrey Allen Doering, Michael Howard Shelby, Stephen B. Smith, Mohannad Hakeem
  • Patent number: 9797318
    Abstract: A tangible computer readable medium of a vehicle includes object code referencing a plurality of variables, the object code for: identifying sets of possible target values based on air and exhaust setpoints for an engine; generating predicted parameters based on a model of the engine and the sets of possible target values, respectively; selecting one of the sets of possible target values based on the predicted parameters; setting target values based on the selected one of the sets of possible target values, respectively; and controlling opening of a throttle valve based on a first one of the target values. The tangible computer readable medium also includes calibration data stored separately and that includes predetermined values for the variables referenced in the object code, respectively. At least one processor executes the object code using the predetermined values to perform the identifying, the generating, the selecting, the setting, and the controlling.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: October 24, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Sharon L. Storch, James A. Shore, Kevin C. Wong, Ning Jin
  • Patent number: 9790872
    Abstract: Aspects of the disclosure are directed to characterizing engine load for an engine in a vehicle. As may be implemented in accordance with one or more embodiments, an engine reporting strategy utilized by an on board diagnostic (OBD) system of a vehicle is detected based on output parameters of the OBD system and engine load values provided under engine operating conditions that maximize the load values.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: October 17, 2017
    Assignee: Tantalum Innovations Limited
    Inventors: John Keates, Glen Tunstall, Craig Barry
  • Patent number: 9777637
    Abstract: The fuel flow rate to a gas turbine is measured using an inert gas. The inert gas is injected into the fuel flow and the concentration of the inert gas in the fuel/inert gas mixture is later measured. The concentration of the inert gas in the fuel/inert gas mixture is then used to calculate the mass flow rate of the fuel.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: October 3, 2017
    Assignee: General Electric Company
    Inventors: Steven William Tillery, Jason Nathaniel Cook
  • Patent number: 9777864
    Abstract: A solenoid actuator for an injection valve or an intake valve is driven with current control during closed-loop control phases. In between the closed-loop current control, the actuator must be clamped to an opposite voltage so as to quickly decrease the current through the solenoid. The current is measured immediately following the clamping phase so as to determine whether or not the clamping phase resulted in the correct current level. If the measured current indicates an extraneous reduction in the current, the clamping phase duration is shortened for the next activation of this clamping phase. If the measured current indicates an insufficient decrease, the clamping phase duration is lengthened for the next following activation cycle.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: October 3, 2017
    Assignee: Continental Automotive Systems, Inc.
    Inventor: Dirk Etzler
  • Patent number: 9777690
    Abstract: A fuel system for an internal combustion piston engine includes a first fuel section and a second fuel section in which the first fuel section has a first inlet line connecting respective inlets of the injectors to a tank, and the second fuel section has a second inlet line connecting respective inlets of the injectors to a fuel tank. The second fuel section is arranged to inject the fuel into the combustion chambers for igniting the first fuel, in which first fuel section the inlet line extends from a high pressure pump to the respective injectors, and a fuel return line of the first fuel section extends from each of the injectors to the tank. The fuel return line has a pressure increasing means arranged to the fuel return line of the first fuel section between the injectors and the tank.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: October 3, 2017
    Assignee: Wärtsilä Finland Oy
    Inventors: David C Jay, Timo Kortet
  • Patent number: 9771075
    Abstract: A method is provided for use in a vehicle. The vehicle includes a transmission, a turbocharger, a transmission control module (TCM), an engine, and an engine control module (ECM). The engine includes a crankshaft that rotates at an engine speed and the turbocharger includes a turbine that rotates at a turbine speed. The method includes requesting a downshift of the transmission from an off-going gear ratio to an on-coming gear ratio. The turbine is rotating at an off-going turbine speed at the off-going gear ratio and the turbine is configured to rotate at an on-coming turbine speed at the on-coming gear ratio, greater than the off-going gear speed. A determination is made that the requested downshift is a powerdown low-throttle shift. An engine speed request value is then transmitted from the TCM to the ECM. The transmitted engine speed request value is at least equal to the on-coming gear speed.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: September 26, 2017
    Assignee: GM Global Technology Operations LLC
    Inventor: Jason Jousma
  • Patent number: 9771887
    Abstract: Methods and systems are provided for adjusting operation of an internal combustion engine configured for dual fuel injection from a single fuel rail. In one example, a method may include directing fuel from a common high pressure fuel rail to one or more of a direct injector and a port injector, wherein each of the direct injector and port injector may be coupled to a cylinder of an engine. The flow of fuel to the direct injector and port injector from the single fuel rail is mediated by a flow selection valve.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: September 26, 2017
    Assignee: Ford Global Technologies, LLC
    Inventor: Rodrigo Felix Moreno
  • Patent number: 9759140
    Abstract: An engine control system of a vehicle includes an estimation module and an actuator module. The estimation module estimates a crankshaft angle where 50 percent of a mass of fuel is burned during a combustion event based on: a combustion speed when a crankshaft of an engine is at a predetermined position during the combustion event; an engine speed; a mass of air per cylinder (APC); a spark timing; and a predetermined spark timing. The actuator module controls an engine actuator based on the crankshaft angle where 50 percent of the mass of fuel is burned during the combustion event.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: September 12, 2017
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Gary Robert Cygan, Jr., Chao F. Daniels, Jason R. Bartak, Ronald J. Herrin
  • Patent number: 9752524
    Abstract: Methods and systems for correcting cam angle measurements for engine-to-engine build variation are disclosed. In one example, a method comprises learning cam angle corrections to update a measured cam angle responsive to air-fuel ratio errors during selected conditions, and learning air and fueling errors responsive to the air-fuel ratio error otherwise. In this way, cam angle errors due to engine build variation may be corrected, thereby improving other air and fuel adaptation methods and improving engine emissions.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: September 5, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: David G. Hagner, Mrdjan J. Jankovic
  • Patent number: 9745904
    Abstract: In order to prevent an abnormal combustion due to oil, a restriction region (B) is designated on a low-speed and high-load side of an internal combustion engine (1), and an opening of throttle valve (12) is restricted so that an engine operating condition is not observed within the restriction region (B). A predetermined designated inspection region (A) is set so as to include the restriction region (B), and it is judged whether or not the abnormal combustion actually occurred when the internal combustion engine (1) is running within the designated inspection region (A). If the abnormal combustion was detected, the restriction region (B) is expanded, meanwhile, if the abnormal combustion was not detected, the expanded restriction region (B) is gradually decreased. If the abnormal combustion occurred at a shorter interval than a threshold value, the restriction region (B) is expanded at once to a predetermined size.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: August 29, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Masaharu Kassai, Takashi Araki, Taisuke Shiraishi
  • Patent number: 9739220
    Abstract: A vehicle drive control device in a vehicle including an engine comprising a throttle valve and a supercharger with an air bypass valve changed from a closing side to an opening side when a closing speed of the throttle valve is higher than a speed determination value, the vehicle drive control device providing a torque-down control of the engine by operating the throttle valve to a closing side, wherein at the time of provision of the torque-down control of the engine in which the throttle valve is operated to the closing side when a rotation speed of the engine is equal to or greater than a predetermined rotation speed and a speed ratio of a torque converter is equal to or less than a predetermined value in a supercharged state, the throttle valve is caused to perform a closing operation at the closing speed lower than the speed determination value.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: August 22, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Wataru Matsubara, Hiroya Fujiwara, Akira Hino, Shuhei Ishikawa
  • Patent number: 9719445
    Abstract: In one embodiment, a method includes receiving, via a first sensor, a signal representative of at least one of a manifold pressure, a manifold temperature, or a manifold mass flow rate of a manifold. The method further includes deriving, via a manifold model and the first sensor signal, a gas concentration measurement at a first manifold section of the manifold. The method additionally includes applying the gas concentration measurement during operations of an engine, wherein the manifold is fluidly coupled to the engine.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: August 1, 2017
    Assignee: General Electric Company
    Inventors: Oscar Eduardo Sarmiento Penuela, Medy Satria, Johannes Huber, Prashant Srinivasan
  • Patent number: 9677525
    Abstract: A method to determine the injection pattern in the compression stroke of the combustion cycle of the cylinders of a direct-injection internal combustion engine, comprising the steps of determining the initial quantity of fuel and an objective quantity of fuel to be injected for each partial injection of a maximum number of partial injections; determining an effective quantity of fuel to be injected for each partial injection as a function of the respective initial quantity of fuel and of the respective objective quantity of fuel; and determining an objective pattern of partial injections to be performed in the compression stroke as a function of the value of the end of injection angle and of the effective quantity of fuel to be injected for each partial injection of a maximum number of partial injections to be performed in the compression stroke.
    Type: Grant
    Filed: May 7, 2015
    Date of Patent: June 13, 2017
    Assignee: Magneti Marelll S.p.A
    Inventors: Filippo Cavanna, Riccardo Lanzoni, Marco Morelli, Alessandro Musi, Fabio Panini, Fabio Sensi
  • Patent number: 9677527
    Abstract: A method for starting and operating an engine of a mild hybrid vehicle following start-up is disclosed for an engine having low and high voltage starting devices, and controlled by an electronic controller. The method comprises using the high voltage starting device as a motor to crank the engine whenever possible so as to partially discharge a high voltage battery. The method further comprises using the high voltage starting device as a generator after starting the engine if the exhaust gas temperature needs to be increased so as to assist with light-off of one or more exhaust gas after treatment devices.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: June 13, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Donatus Andreas Josephine Kees, Anthemios Philemon Petridis
  • Patent number: 9670864
    Abstract: A device and a method for actuating an injector in a fuel-injection system of an internal combustion engine are described. Using a first calibration method and based on a control parameter, an injector parameter which characterizes the injection process is determined. Starting from this injector parameter, a first feature is determined for calibrating the injector. A second calibration method determines a second feature for calibrating the injector, based on an engine parameter. The first calibration method is monitored on the basis of the second feature.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: June 6, 2017
    Assignee: Robert Bosch GmbH
    Inventors: Haris Hamedovic, Wolfgang Fischer, Silke Seuling
  • Patent number: 9670861
    Abstract: Embodiments for testing a humidity sensor are provided. One example method comprises indicating degradation of a humidity sensor based on a humidity sensor output and output from an intake gas composition sensor. In this way, output from the intake gas composition sensor may be used to determine if the humidity sensor is degraded.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: June 6, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Mrdjan J. Jankovic, Timothy Joseph Clark, Imad Hassan Makki, Ross Dykstra Pursifull, Michael James Uhrich
  • Patent number: 9665749
    Abstract: In one embodiment, a passive transponder comprising a first circuit comprising a first attenuator, the first circuit configured to receive a first signal from at least one base station and coupled to a first node, a first rectifier coupled to the first node, the first rectifier configured in a forward direction to charge a first capacitor, and the first capacitor coupled to the first rectifier, the first capacitor configured to receive a charge from the attenuator sufficient for powering the passive transponder.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: May 30, 2017
    Assignee: Atmel Corporation
    Inventor: Werner Ziegler
  • Patent number: 9644546
    Abstract: This internal combustion engine is provided with a variable compression ratio mechanism capable of changing a mechanical compression ratio by changing the volume of the combustion chamber at the top dead center. The pressure and temperature of remaining combusted gas within the combustion chamber at the time when the exhaust valve is closed in the intake stroke is measured or estimated, the pressure and temperature of intake air supplied into the combustion chamber after the exhaust valve is closed in the intake stroke is measured or estimated, and based on the assumption that the pressure and temperature of the remaining combusted gas which saturates the volume of the combustion chamber at the time when the exhaust valve is closed in the air intake stroke become, when the intake air is supplied to the combustion chamber, equal to the pressure and temperature of the intake air, the volume of the remaining combusted gas after the change is calculated.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: May 9, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshihiro Sakayanagi, Takashi Kawasaki, Hiroyuki Tanaka, Takano Nakai
  • Patent number: 9631561
    Abstract: The present invention is equipped with: a valve opening/closing timing control mechanism that sets the opening/closing timing of an exhaust valve; and a lock mechanism that holds the rotation phase of the valve opening/closing timing control mechanism in a first lock phase, in which the open state of the exhaust valve is maintained when the intake valve opens.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: April 25, 2017
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Masaki Kobayashi, Masaaki Kaneko, Seiichi Fujimoto
  • Patent number: 9617950
    Abstract: A cylinder head for an internal combustion engine is configured to be operated with fuel, such as gaseous or liquid fuel, to provide a more complete combustion of the fuel/air mixture. The cylinder head has at least one fuel guiding section, which includes a fuel inlet valve casing for accommodating a fuel inlet valve configured to control a fuel flow rate, a fuel/air mixing chamber for mixing the fuel with air, and a fuel guiding portion connecting the fuel inlet valve casing to the fuel/air mixture chamber. The fuel guiding portion is integrally formed with the cylinder head and defines at least a first fuel feeding passage and at least a second fuel feeding passage. The first fuel feeding passage and the second fuel feeding passage extend from the fuel inlet valve casing to the fuel/air mixing chamber.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: April 11, 2017
    Assignee: Caterpillar Motoren GmbH & Co. KG
    Inventor: Benjamin Bleyer