Patents Examined by Kevin R Steckbauer
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Patent number: 11536238Abstract: A method of starting an integrated starter generator drives a starter generator without using a rotor position sensor to start an engine. The method includes the following steps of: (a) applying a first drive current with a first frequency and a first amplitude to drive the starter generator to reversely rotate in a speed open-loop control mode, and acquiring a first load information according to a drive voltage and the first drive current of the starter generator, (b) confirming whether the first load information meets a heavy load condition, (c) stopping reversely rotating the starter generator when the first load information meets the heavy load condition, and (d) forwardly rotating the starter generator to drive the engine to start.Type: GrantFiled: July 9, 2021Date of Patent: December 27, 2022Assignee: DELTA ELECTRONICS, INC.Inventors: Hung-Hsing Chiang, Chin-Hao Chen, Cheng-Chung Li
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Patent number: 11530672Abstract: The present disclosure is intended to provide an internal combustion engine that can inhibit fuel from adhering to a piston and can reduce generation of soot. An internal combustion engine includes a piston, a cylinder accommodating the piston, and an injector including a nozzle that has a plurality of nozzle holes configured to inject fuel into the cylinder from above the cylinder. Among the plurality of nozzle holes, a sixth nozzle hole an axial direction of which is the most deflected toward the piston has a nozzle hole diameter larger than nozzle hole diameters of the other nozzle holes, and the nozzle hole diameter of the sixth nozzle hole corresponds to at least 20% of the total of the nozzle hole diameters of the other nozzle holes.Type: GrantFiled: January 18, 2022Date of Patent: December 20, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Yoshitaka Maeda, Suguru Fukuda
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Patent number: 11530674Abstract: Provided is a start-stop control apparatus to be mounted in a vehicle including an engine, a starter motor configured to restart the engine, and an auxiliary battery configured to supply electric power to the starter motor. The start-stop control apparatus includes a stop processing unit and an engine measuring unit. The stop processing unit stops idling of the engine while the vehicle is being stopped. The engine measuring unit measures an internal loss of the engine. The stop processing unit determines whether to stop the idling of the engine on the basis of the internal loss measured by the engine measuring unit and the state of charge of the auxiliary battery.Type: GrantFiled: August 17, 2021Date of Patent: December 20, 2022Assignee: SUBARU CORPORATIONInventors: Fumiyuki Moriya, Atsushi Doki, Hirofumi Yabe, Takumi Hoshi, Kazutaka Hara
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Patent number: 11519322Abstract: A fuel injector assembly for an internal combustion engine includes a proximal end portion, a distal end portion, and a fuel injector extending at least to the distal end portion, the fuel injector including a fuel opening. The fuel injector assembly also includes a chamber formed between the proximal and distal end portions, a flame passage extending from the chamber to the distal end portion, and an atomizer configured to provide atomization of liquid fuel injected into the chamber.Type: GrantFiled: August 27, 2021Date of Patent: December 6, 2022Assignee: Caterpillar Inc.Inventor: Robert M. McDavid
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Patent number: 11518254Abstract: A power adjustment system and a power adjustment method of an autonomous mobile device are provided. In the power adjustment method, two first current control signals respectively transmitted to two drivers are outputted by a control module. A tilt angle of the autonomous mobile device is detected by an inertial measurement module. A travel route is planned by a navigation module, and the control module obtains a steering angle of the autonomous mobile device during a traveling process. According to different weight values of the autonomous mobile device stored in a database module, a weight of the autonomous mobile device is estimated by the control module. According to the two first current control signals and the weight, the steering angle, and the tilt angle of the autonomous mobile device, two second current control signals respectively transmitted to the two drivers are outputted by the control module.Type: GrantFiled: November 26, 2021Date of Patent: December 6, 2022Assignee: ADATA TECHNOLOGY CO., LTD.Inventor: Chi-Chien Lin
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Patent number: 11519344Abstract: A method for reducing NOx emissions during operation of an internal combustion engine in commerce which, when burning hydrocarbon fuel as a primary fuel, in the absence of any secondary fuel, has a characteristic stoichiometric ration. The method includes the following: in the absence of electrolytic activity, providing and entraining a quenching species in a gaseous medium and then interacting the quenching species with constituents present during oxidation of the primary fuel in a combustion chamber of the engine.Type: GrantFiled: February 24, 2021Date of Patent: December 6, 2022Inventor: Yaw Obeng
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Patent number: 11519342Abstract: A phase adjuster assembly is disclosed that includes an input gear connected to an input shaft via an interface assembly configured to provide both axial movement and rotational locking between the input gear and the input shaft. A piston plate is connected to the input shaft, and the piston plate defines at least one inner spiral bidirectional raceway. An output gear is configured to be driven by the input shaft, and the output gear at least partially defines at least one outer spiral bidirectional raceway. At least one first rolling element is arranged between the at least one inner bidirectional raceway and the at least one outer spiral bidirectional raceway. Axial movement of the piston plate adjusts a phase between the input gear and the output gear. The input shaft is configured to be axially displaced via axial movement of the piston plate.Type: GrantFiled: February 8, 2022Date of Patent: December 6, 2022Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventor: Nicholas Hrusch
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Patent number: 11513036Abstract: Systems and methods that allow a smartphone to be used as an imaging device for undercarriage inspection of a moving vehicle are provided. The method may include locating the smartphone on the ground via one or more sensors of the vehicle. The vehicle may generate a path for the vehicle to drive over the smartphone based on the location of the smartphone, and optionally display the path to facilitate manual driving of the vehicle by the driver over the smartphone. Alternatively, the vehicle may self-drive to follow the path. The smartphone may capture image data indicative of the undercarriage of the vehicle, inspect and analyze the image data to identify one or more issues of the undercarriage of the vehicle, and transmit the analyzed image data to the vehicle for display. The driver may confirm the one or more issues and transmit the data to an inspection professional for additional assistance if needed.Type: GrantFiled: May 13, 2021Date of Patent: November 29, 2022Assignee: Ford Global Technologies, LLCInventors: Jianbo Lu, Yifan Chen, Meghna Menon, Kurt Michael Lundeen
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Patent number: 11506113Abstract: The present invention relates to a gas inlet device (1) for a cylinder of an internal combustion engine. The gas inlet device (1) comprises an inlet port (5), an inlet valve (4), a calibration (6) of the inlet valve (4), means for forming a tumble-type aerodynamic movement of the gas in the cylinder, and a mask (10). Furthermore, the intersection (7) between the inlet port (5) and the calibration (6) is along a straight line not parallel to the plane of the firing face (FF). In addition, the mask (10) is oriented in the same way as the end of the inlet port (5).Type: GrantFiled: March 27, 2020Date of Patent: November 22, 2022Assignee: IFP Energies nouvellesInventors: Xavier Gautrot, Julien Trost, Martin Ritter, Arnaud Krieger, Paul-Georgian Luca
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Patent number: 11498617Abstract: A vehicle control method for controlling a vehicle using a vehicle control apparatus includes: a sensor configured to detect a state outside a subject vehicle; and a control device. The vehicle control method includes: executing control of recovering a travel trajectory of the subject vehicle to a target trajectory, as ordinary control, by giving a steering amount in a lateral direction with respect to a travel lane of the subject vehicle; using detection data of the sensor to determine whether or not another vehicle is traveling in an adjacent lane to the travel lane of the subject vehicle; and when determining that the other vehicle is traveling in the adjacent lane ahead of the subject vehicle, increasing a response of the steering amount to a higher response than that in the ordinary control, before the subject vehicle passes the other vehicle.Type: GrantFiled: October 11, 2021Date of Patent: November 15, 2022Assignee: Nissan Motor Co., Ltd.Inventors: Yuta Akamatsu, Masahiro Kobayashi, Yasuhisa Taira, Osamu Fukata, Ko Sato
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Patent number: 11498611Abstract: A motor control device includes an inverter to drive a motor, and a control calculator to calculate a current command value indicating a current to be supplied to the motor from the inverter. The control calculator includes a voltage control calculator to calculate a voltage command value indicating a voltage to be applied to the motor from the inverter based on a current deviation between the current command value and the actual current detection value, and a compensation calculator to add a compensation value to a signal value on at least one of an upstream side and a downstream side in a signal flow that passes through the voltage control calculator. The voltage control calculator calculates the voltage command value by adaptive control based on an actual angular velocity value indicating an angular velocity at which the motor rotates. The compensation calculator calculates the compensation value based on the actual angular velocity value and the target current command value.Type: GrantFiled: March 28, 2019Date of Patent: November 15, 2022Assignee: Nidec CorporationInventor: Shuji Endo
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Patent number: 11499454Abstract: Systems and apparatuses relate to a system comprising a controller comprising at least one processor coupled to a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to perform operations comprising: determining a concentration of a plurality of wear metal particles in a lubricant for an engine system; determining a confidence parameter regarding the concentration determination; determining a filtered concentration of the plurality of wear metal particles using a baseline concentration of the plurality of wear metal particles; setting a diagnostic threshold for the plurality of wear metal particles based on the confidence parameter; and, responsive to determining that the diagnostic threshold is exceeded, providing a notification.Type: GrantFiled: February 12, 2021Date of Patent: November 15, 2022Assignee: Cummins Inc.Inventors: Travis A. Anderson, Neha Chandrachud, Renae Christianson, Lorraine H. Myers, Pallav Pathak, Patrick J. Shook
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Patent number: 11492036Abstract: An apparatus and method of controlling a motor driven steering system may selectively perform a motor current control of the motor driven steering system for reducing motor noise according to a present motor-applied current applied to a steering motor of the motor driven steering system when it is determined from vehicle speed information or wheel speed information detected by a first sensor that a vehicle is currently in a stopped state and it is determined from steering angle information detected by a second sensor that a steering wheel is currently in a steering wheel holding state.Type: GrantFiled: September 1, 2020Date of Patent: November 8, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Gyeong Seop Gim
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Patent number: 11496077Abstract: An aspect of a drive controller controls drive of a three-phase motor, and includes an imbalance calculation unit that calculates an electrical imbalance between phases in the three-phase motor, a control value calculation unit that calculates current control values in respective axial directions of a rotating coordinate system of the three-phase motor according to a given target, and a balance compensation unit that reduces the imbalance by adding a compensation value to a current control value in an axial direction other than a q-axis of the current control values calculated by the control value calculation unit.Type: GrantFiled: June 25, 2019Date of Patent: November 8, 2022Assignee: NIDEC CORPORATIONInventor: Takashi Kitamura
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Patent number: 11492038Abstract: The disclosure proposes a method for ascertaining and/or monitoring a mechanical state of at least one tie rod apparatus of an electrically assisted steering system of a vehicle, wherein at least one operating characteristic variable, which is correlated to a steering movement, of at least one steering actuator and/or of at least one steering controller of the steering system is ascertained and evaluated for ascertaining and/or for monitoring the mechanical state of the tie rod apparatus.Type: GrantFiled: July 9, 2019Date of Patent: November 8, 2022Assignee: Robert Bosch GmbHInventors: Axel Javier Acosta Aponte, Tobias Schmid, Klaus Wintermayr
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Patent number: 11486323Abstract: There is provided with an engine control device that can reduce the time it takes to start the monitoring of an output of an engine. The engine control device comprises a monitor unit configured to monitor an output of an engine when engine speed is a threshold or more, and a control unit configured to control the engine based on a result of the monitor unit, wherein the monitor unit includes an output determination unit that determines whether the output of the engine is excessive, and a change unit that changes in accordance with a warm-up state of the engine, the threshold.Type: GrantFiled: February 12, 2021Date of Patent: November 1, 2022Assignee: HONDA MOTOR CO., LTD.Inventor: Shinobu Ochiai
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Patent number: 11485360Abstract: In one embodiment, a method of adjusting a speed limit of an ADV includes the operations of tracking objects within a field of view of the ADV; and identifying a set of stable objects from the objects tracked by the ADV based on a set of requirements. The method further includes the operations of identifying a subset of objects from the set of stable objects, the subset of objects having longest distances to the ADV; calculating a detection distance by averaging distances from the subset of stable obstacles to the ADV; and adjusting the speed limit of the ADV based on the detection distance using a predetermined algorithm.Type: GrantFiled: April 3, 2020Date of Patent: November 1, 2022Assignee: BAIDU USA LLCInventor: Fan Zhu
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Patent number: 11486357Abstract: The present disclosure provides a method and an apparatus for self-adaption of a cut-out strategy. The method may include: predicting, using a wind speed prediction model, a wind resource parameter of a wind turbine at each machine location; predicting, using a load prediction model, a fatigue load and a limit load of the wind turbine based on the predicted wind resource parameter and an air density; comparing the predicted fatigue load and limit load with a reference load; and determining the cut-out strategy based on a result of the comparison, wherein determining the cut-out strategy includes determining a cut-out wind speed and an output power.Type: GrantFiled: July 10, 2018Date of Patent: November 1, 2022Assignee: BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO., LTD.Inventors: Cheng Fang, Pengfei Zhang, Minghui Wang, Guilin Zhou
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Patent number: 11480145Abstract: Systems and methods for starting an engine that may be started via an electric machine and a driveline disconnect clutch are described. In one example, the method estimates a maximum motor propulsive torque during engine starting. The maximum motor propulsive torque may be based on an estimated speed that a torque converter impeller speed will be when an engine cranking period ends.Type: GrantFiled: September 28, 2021Date of Patent: October 25, 2022Assignee: Ford Global Technologies, LLCInventors: Judhajit Roy, Jason Meyer, Maruthi Ravichandran, Fazal Syed, Sassan Farahmand
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Patent number: 11473537Abstract: An EGR valve deterioration degree calculation system configured to calculate a degree of deterioration of an EGR valve includes an execution device. The execution device is configured to perform: a pressure acquisition process; a pressure change amount calculation process of calculating a pressure change amount associated with an operation of opening and closing the EGR valve; a differential pressure calculation process of calculating a differential pressure between an upstream side of the EGR valve and a downstream side of the EGR valve when the EGR valve is in a closed state; and a deterioration degree calculation process of calculating the degree of deterioration of the EGR valve based on the pressure change amount and the differential pressure.Type: GrantFiled: February 15, 2022Date of Patent: October 18, 2022Assignee: Toyota Jidosha Kabushiki KaishaInventor: Shunichi Tsutsuji