Patents Examined by Anthony L. Bacon
  • Patent number: 10371083
    Abstract: A cold start control system for a vehicle having a spark ignition direct injection (SIDI) engine includes a startup control module and a fuel actuator module. The startup control module sets a mode of operation to a cold start mode. In response to setting the mode to the cold start mode, the startup control module determines target combustion parameters and a predetermined amount of fuel, wherein the predetermined amount of fuel is less than an amount of fuel required to initiate a combustion stroke of the SIDI engine. The startup control module controls injection of the predetermined amount of fuel, during cranking of the SIDI engine, based on the target combustion parameters. The fuel actuator module injects the predetermined amount of fuel, during cranking, based on the target combustion parameters.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: August 6, 2019
    Inventor: Scot A. Douglas
  • Patent number: 10337425
    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, exhaust from a first set of exhaust valves coupled to the first exhaust manifold may be selectively routed to the intake passage via each of a first EGR passage coupled to the intake passage upstream of a compressor driven by a turbine and a second EGR passage coupled downstream of an outlet of the compressor. A decision of whether to route exhaust gas to the intake passage via the first EGR passage, second EGR passage, or both passages may be based on engine operating conditions.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: July 2, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Brad Alan Boyer, Joseph Norman Ulrey, Daniel Paul Madison, Corey Weaver
  • Patent number: 10337481
    Abstract: In the cases where a reverse operation of a crankshaft is performed after fuel injection and ignition in a cylinder in a power stroke and it is determined that an engine start is failed, a starter motor is operated, and fuel injection and ignition are executed in the cylinder in the compression stroke to start an engine.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: July 2, 2019
    Inventor: Hiroshi Enomoto
  • Patent number: 10330035
    Abstract: Methods and systems are provided to determine air-fuel imbalance of cylinders in a variable displacement engine. In one example, the method may include during a cylinder deactivation event, sequentially deactivating each cylinder of a cylinder group including two or more cylinders and estimating a lambda deviation for each cylinder following the sequential deactivation of each cylinder of the cylinder group; and learning an air error for each cylinder based on the estimated lambda deviation.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: June 25, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Douglas Raymond Martin, Aed M. Dudar, Robert Roy Jentz, John Eric Rollinger
  • Patent number: 10323591
    Abstract: A method for accelerating the warming-up of a power unit of a vehicle including an internal combustion engine, the unit needing to undergo a test and/or maintenance operation during which the vehicle remains stationary with its engine running, the unit needing to have achieved a minimum operating temperature prior to the test and/or the operation, the unit including a fuel injection system with a high-pressure pump supplying pressurized fuel to one or more injectors, the pressurizing of the fuel by the pump being controlled according to a combustion configuration that requires a nominal pressure value dependent on operating parameters including an engine speed and engine torque, the method including a step of warming up the unit by maintaining a greatly accelerated idling speed, which is effected at a modified pressure value higher than the nominal pressure value.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 18, 2019
    Assignees: Continental Automotive France, Continental Automotive GmbH
    Inventors: Cyril Rousseau, Jonas Percheron
  • Patent number: 10316788
    Abstract: Methods and systems are provided for adjusting combustion parameters to increase combustion stability during conditions when condensate formed in a charge air cooler may enter cylinders of an engine. In response to increased mass air flow and a condensate level in the charge air cooler, the engine may combust a rich air-fuel ratio while increasing a positive valve overlap.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: June 11, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Thomas G. Leone, Gopichandra Surnilla
  • Patent number: 10316810
    Abstract: A vehicle control system is provided which is used in a vehicle equipped with an engine as a drive power source and works to establish engagement of a pinion of a starter motor with a ring gear mounted on a rotational axis of the engine and then actuate the starter motor to start the engine. The vehicle control system executes a preset mode to move the pinion to achieve the engagement with the ring gear when the rotation speed of the engine has dropped below a given threshold value. The threshold value is determined as a function of speed of the vehicle, thereby alleviating a driver's perception about unwanted mechanical noise arising from impact the pinion on the ring gear upon the engagement therebetween.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: June 11, 2019
    Inventor: Tatsuya Fujita
  • Patent number: 10316782
    Abstract: A pressure reducing valve control apparatus is provided for a fuel supply system having a common rail and a pressure reducing valve to control rail pressure in the common rail by controlling a current supply state of the pressure reducing valve. The pressure reducing valve operates to open a valve body for discharging fuel from the common rail against a biasing force applied in a valve-closing direction by fuel-generated valve-opening force biasing the valve body in a valve-opening direction by the rail pressure and an electromagnetic force generated by current supply to an electromagnetic coil. The ECU starts to open the valve body during a period of holding a hold value by holding current supplied to the electromagnetic coil at a predetermined hold value after starting current supply to the electromagnetic coil. The ECU sets the hold value to increase as the rail pressure decreases.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: June 11, 2019
    Inventors: Takuya Sakai, Hiroyuki Nishimura
  • Patent number: 10302038
    Abstract: Systems and related methods for regulating fuel rail pressure for internal combustion engines utilizing an electronic fuel transfer pump (eFTP) on the low side to provide robust control of fuel pressure on the high side. The eFTP is in fluid communication with a low-pressure fuel circuit for providing a low-pressure fuel flow at a low pressure to a high-pressure pump. Upon failure of a fuel control valve, a pressure-responsive valve, and/or a pressure sensor impacting the high-side fuel pressure, the eFTP modulates the low-side fuel flow and/or low-side fuel pressure to mitigate damage to the engine. A controller in operative communication with the eFTP and/or one or more sensors is configured to provide a pump command to the eFTP in response to a failure condition impacting the high-side fuel pressure.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: May 28, 2019
    Assignee: Cummins Inc.
    Inventors: Shounak Mishra, Norman C. Blizard, Edward Nathan Linen, Joseph Andrew Worthington
  • Patent number: 10273923
    Abstract: A vehicle includes an engine having a combustion cylinder, and at least one fuel injector configured to supply a number of fuel pulse to the cylinder. A controller is programmed to issue a first fuel pulse command to actuate the fuel injector allowing fuel to pass through the fuel injector as a first fuel mass. The controller is also programmed to monitor a voltage across the fuel injector, and determine a preliminary fuel injector opening magnitude based on a rate of change of voltage. The controller is further programmed to assign the preliminary fuel injector opening magnitude as a maximum fuel injector opening magnitude in response to the first fuel mass being greater than a quantity threshold. The controller is further programmed to apply a scaling factor to adjust a second fuel pulse command to normalize the maximum fuel injector opening magnitude value to a predetermined full open value.
    Type: Grant
    Filed: December 16, 2016
    Date of Patent: April 30, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Yiran Hu, Scott E. Parrish
  • Patent number: 10267252
    Abstract: A controller for an internal combustion engine is configured to control the fuel injection valve so that the fuel injection valve selectively performs partial lift injection, which does not open a valve member at a fully open position, and full lift injection, which opens the valve member at the fully open position. The internal combustion engine includes the fuel injection valve and a fuel supply system. The controller includes an energizing time setting unit, a fuel pressure calculation unit, and a smoothening process unit. The energizing time setting unit is configured to set an energizing time for the full lift injection based on graded fuel pressure calculated by the smoothening process unit and set an energizing time for the partial lift injection based on fuel pressure calculated by the fuel pressure calculation unit.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: April 23, 2019
    Inventor: Tomohiro Nakano
  • Patent number: 10253716
    Abstract: A system for analyzing an engine of a vehicle may comprise a computer including a computer processor, a sensor connected to a portion of the vehicle and being configured to provide an engine signature to the computer, a simulator module configured to utilize the computer processor to generate simulated signature features associated with a simulated vehicle having prescribed defects, and a self-learning module configured to utilize the computer processor to learn associations between the simulated signature and prescribed defects. The computer processor may be configured to compare the engine signature with the associations of the self-learning module to produce a probability indicator that the engine has the prescribed defect at a specified intensity associated with a diagnosis of the engine.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: April 9, 2019
    Assignee: Predictive Fleet Technologies, Inc.
    Inventor: James Mentele
  • Patent number: 10233857
    Abstract: A method for a fuel system is provided, wherein a fuel vapor canister is vented to an engine intake during a first condition, and wherein a restriction in a canister vent pathway is indicated, responsive to a change in a fuel tank pressure transducer output greater than a threshold. If the fuel tank pressure transducer output changes less than the threshold, degradation of the fuel tank pressure transducer is indicated. In this way, a fuel tank pressure transducer offset may be distinguished from a canister vent pathway restriction if a fuel tank pressure transducer indicates a significant pressure or vacuum in a fuel tank following a vehicle-off soak.
    Type: Grant
    Filed: August 5, 2015
    Date of Patent: March 19, 2019
    Assignee: Ford Global Technologies, LLC
    Inventor: Aed M. Dudar
  • Patent number: 10221804
    Abstract: A fuel injection control device for an internal combustion engine, includes a fuel pressure sensor and circuitry. The fuel pressure sensor detects an actual fuel pressure of the fuel supplied to a cylinder fuel injection valve. The circuitry calculates a demanded amount of the fuel supplied to the internal combustion engine. The circuitry calculates a cylinder injection amount of fuel injected from the cylinder fuel injection valve. The circuitry corrects the cylinder injection amount to decrease in accordance with a degree of drop in the actual fuel pressure comparing to a target fuel pressure of the fuel supplied to the cylinder fuel injection valve such that fuel injection from the cylinder fuel injection valve ends by a target injection end timing. The circuitry calculates a port injection amount of the fuel injected from a port fuel injection valve based on the demanded fuel amount and the corrected cylinder injection amount.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: March 5, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yuichi Masukake, Koichiro Shinozaki, Nobuyuki Fujioka
  • Patent number: 10208725
    Abstract: The present disclosure relates to internal combustion engines in general. Some embodiments may include a drive device for a high-pressure fuel pump of an internal combustion engine. It may include an eccentric ring in frictional connection with a drive shaft for converting a rotational movement of the drive shaft about a drive shaft rotational axis into a translational movement; a tappet spaced apart from the eccentric ring for passing on the translational movement from the eccentric ring; and at least two pivoting bodies disposed between the eccentric ring surface and the tappet surface and in contact with the eccentric ring surface and with the tappet surface. The eccentric ring may include at least one flat eccentric ring surface. The tappet may include at least one flat tappet surface. The pivoting bodies may each include a respective extension axis running parallel to the drive shaft rotational axis and pivot about the extension axis.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: February 19, 2019
    Inventor: Thomas Schmidbauer
  • Patent number: 10208652
    Abstract: A pre-chamber body for an internal combustion engine is disclosed. The pre-chamber body may have a pre-chamber. The pre-chamber body may also have a flow transfer passage, which may fluidly connect the pre-chamber and an exterior of the pre-chamber body. In addition, the pre-chamber body may have at least one backflow channel, which may fluidly connect the pre-chamber and the flow transfer passage.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: February 19, 2019
    Assignee: Caterpillar Energy Solutions GmbH
    Inventors: Thomas Maier, Enrico Drehobl
  • Patent number: 10208697
    Abstract: A powertrain assembly includes an engine having at least one cylinder and at least one electric machine operatively connected to the engine. A motor speed sensor is operatively connected to and configured to obtain motor speed data of the electric machine. A controller is operatively connected to the motor speed sensor. The controller including a processor and tangible, non-transitory memory on which is recorded instructions for executing a method for detection of firing irregularities in the at least one cylinder. Execution of the instructions by the processor causes the controller to obtain the motor speed data at a predefined time interval from the motor speed sensor, until a predefined time window is reached. A fast Fourier transform of the motor speed data during the predefined time window is obtained. The controller is configured to control the engine based at least partially on the fast Fourier Transform.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventor: Martin E. Rosalik, Jr.
  • Patent number: 10202929
    Abstract: A system and method for fast control of the timing of combustion in an internal combustion engine, comprising actuating a fast-acting fuel-additive supply valve to meter a variable amount of fuel additive into a fuel stream, thereby forming an additive-enhanced fuel with an additive concentration that can be dynamically adjusted as fast as each engine cycle; injecting the additive-enhanced fuel directly or indirectly into a combustion chamber or into an intake port; and combusting the additive-enhanced fuel.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: February 12, 2019
    Assignee: National Technology & Engineering Solutions of Sandia, LLC
    Inventors: John E. Dec, Ronald F. Renzi
  • Patent number: 10197005
    Abstract: The compression self-ignition engine fuel injection control device is configured to, during one combustion stroke, perform multiple fuel injections to induce multiple combustions in a cylinder. The fuel injection control device comprises a PCM (70) configured to set an interval between temporally-adjacent two of the multiple fuel injections, so as to allow valley regions of a curve indicative of a frequency characteristic of a combustion pressure wave generated by the multiple combustions to fall within respective ranges of a plurality of resonant frequency bands of a structure of an engine body of the engine, wherein the PCM is operable to increase the interval between the temporally-adjacent multiple fuel injections to 1.7±0.1 msec.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: February 5, 2019
    Inventors: Naotoshi Shirahashi, Tsunehiro Mori, Takeshi Matsubara, Takahiro Yamamoto, Kiyoaki Iwata
  • Patent number: 10190532
    Abstract: An air intake structure for a vehicle engine includes: a variable flap rotatably provided in an intake air passage so as to control a cross-sectional area of intake air flow; a port plate provided to a downstream of the variable flap, and generating displacement in cooperation with the variable flap; a driving unit supplying a driving force for generating displacement of both the variable flap and the port plate; and a controller determining a rotation angle of the variable flap in accordance with an operating range of an engine, and controlling the rotation angle of the variable flap by driving the driving unit.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: January 29, 2019
    Inventors: Dong Ho Chu, Yang Geol Lee