Patents Examined by Gonzalo Laguarda
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Patent number: 11542882Abstract: A method and system is provided for correcting fueling commands. For example, the method and system may calibrate an engine operating in a steady-state mode by determining a plurality of accuracy errors associated with a fueling rate based on a plurality of sensor measurements. The method and system may determine fueling rate correction data during on-line operation of the engine based on the plurality of accuracy errors. The on-line operation of the engine may comprise operating the engine in a transient mode at a first period of time and a steady-state mode at a second period of time. The method and system may control at least one fueling valve during operation of the engine using a corrected fueling command. The corrected fueling command is based on the fueling rate correction data.Type: GrantFiled: August 7, 2020Date of Patent: January 3, 2023Assignee: Cummins Inc.Inventors: Yilun Liu, Carlos A. Lana
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Patent number: 11536211Abstract: A powertrain system includes a port injection internal combustion engine. A first start process is a process in which fuel is enclosed in a compression stroke cylinder when the engine is stopped, and based on a stored crank stop position, ignition is performed in a first cycle of the compression stroke cylinder upon engine start. A second start process is a process in which, based on the stored crank stop position, fuel injection is performed for an intake stroke cylinder while the engine is stopped, and based on the stored crank stop position, ignition is performed in the first cycle of the intake stroke cylinder upon engine start. When a catalyst temperature at the time engine start is requested is equal to or higher than a first threshold, a control device starts the internal combustion engine by at least one of the first start process and the second start process.Type: GrantFiled: July 1, 2020Date of Patent: December 27, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shintaro Hotta, Takashi Kawai, Shunsuke Fushiki, Hideto Wakabayashi, Hirokazu Ito
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Patent number: 11535236Abstract: A method of controlling a vehicle hybrid propulsion system is provided. The propulsion system includes an internal combustion engine, first and second clutches, an electric motor, and a gearbox having an input shaft and an output shaft connected to drive wheels. The method includes a first operating mode of starting the engine by the motor, a second operating mode of actuating a gear shift, and a third operating mode which actuates starting of the engine and the gear shift. The method includes passing from the first to the third operating modes even if starting of the engine has not been completed, or passing from the second to the third operating modes even if actuation of the gear shift has not been completed, so that the transition from one operating mode to another can be freely actuated at any time, depending upon operating conditions of the hybrid propulsion system.Type: GrantFiled: July 8, 2020Date of Patent: December 27, 2022Assignees: C.R.F. Società Consortile per Azioni, Schaeffler Technologies AG & Co. KGInventors: Dario Morina, Simone Martina, Dario Del Pin, Emanuel Corigliano, Timo Kersting, Johannes Gimpl
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Patent number: 11529944Abstract: A control method for a hybrid vehicle including a generator and an electric motor, the generator being configured to charge a battery by use of power of an engine, the electric motor being configured to drive driving wheels by electric power of the battery, is provided, is provided. The control method having controlling the generator and the electric motor and accepting mode setting to set any of a normal mode, a regeneration driving mode, and a silent mode, the regeneration driving mode being a mode in which a regenerative braking force caused by the electric motor is larger than that in the normal mode, the silent mode being a mode in which charging by the engine is inhibited, wherein: when the normal mode is set, setting of the silent mode is not accepted; and when the regeneration driving mode is set, setting of the silent mode is accepted.Type: GrantFiled: December 15, 2017Date of Patent: December 20, 2022Assignee: Nissan Motor Co., Ltd.Inventors: Shinsuke Higuchi, Hidekatsu Akiyama, Azusa Kobayashi, Keisuke Kawai
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Patent number: 11524671Abstract: A method for controlling a start of a mild hybrid vehicle that includes an engine, a starter-generator starting the engine or generating electricity by an output of the engine, a starter starting the engine, and a battery supplying electric power to the starter-generator may include: determining, by a controller configured for controlling an operation of the vehicle, whether a start of the vehicle is requested; checking, by the controller, current limit data of the battery when the start of the vehicle is requested; checking, by the controller, start torque current data of the starter-generator according to state data of the vehicle; comparing, by the controller, the current limit data with the start torque current data; and starting, by the controller, the engine using the starter-generator or the starter according to a result of the comparing, by the controller, the current limit data with the start torque current data.Type: GrantFiled: August 10, 2020Date of Patent: December 13, 2022Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Hwa Yong Jang
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Patent number: 11518249Abstract: A vehicle running control device that is provided with an accelerating-decelerating operation element with an operation range inclusive of a driving range and a braking range includes the following. An input-output section that receives various information including information on a direction in which the vehicle is currently running, a determining section that determines whether the vehicle is in a switch-back state, and an acceleration-deceleration control section that controls the vehicle running. When a braking-driving request value for an operation of the accelerating-decelerating operation element is in the braking range and the determining section determines that the vehicle is in the switch-back state, the acceleration-deceleration control section keeps the braking-driving force at a braking-driving force that is applied to the vehicle when a shift range switch request is accepted.Type: GrantFiled: June 19, 2020Date of Patent: December 6, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Shinya Kobayashi, Hisanori Yanagida
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Patent number: 11519324Abstract: Engine includes a cylinder having a peripheral wall defining a combustion chamber, a crankshaft, and a piston movable in the cylinder. Intake and exhaust valves regulate flow of an air into or combustion products out of the combustion chamber, respectively. An exhaust outlet port has an opening in the peripheral wall at a location between lowermost and uppermost piston positions, and an outlet port valve is associated with the exhaust outlet port. The exhaust stroke has a first exhaust stage in which combustion products exhaust through the exhaust outlet port when an upper surface of the piston is below the opening, and the outlet port valve opens. In a second, subsequent exhaust stage, during continued movement of the piston past the opening in the peripheral wall, the outlet port valve closes and remaining combustion products in the combustion chamber exhaust around the exhaust valve.Type: GrantFiled: May 18, 2022Date of Patent: December 6, 2022Assignee: Cyclazoom, LLCInventor: Michael Kipnis
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Patent number: 11514730Abstract: In a hybrid vehicle, each of an engine and an MG1 is mechanically coupled to a drive wheel with a planetary gear being interposed. The planetary gear and an MG2 are configured such that motive power output from the planetary gear and motive power output from the MG2 are transmitted to the drive wheel as being combined. A controller makes WGV diagnosis for diagnosing whether or not a waste gate valve is normally controllable by issuing an instruction to a WGV actuator while the controller stops combustion in the engine and controls the MG1 and the MG2 in coordination to perform motoring of the engine during traveling of the hybrid vehicle.Type: GrantFiled: February 21, 2020Date of Patent: November 29, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koichi Yonezawa, Satoshi Yoshizaki, Osamu Maeda, Daigo Ando, Yoshikazu Asami, Kenji Itagaki, Shunsuke Oyama, Koichiro Muta
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Patent number: 11498547Abstract: A vehicle includes an internal combustion engine, an electric machine, and a controller. The electric machine is rotatably coupled to the engine and is configured to deliver electrical power to electrical accessories. The controller is programmed to, in response to a control signal loss between the electric machine and the controller, limit torque output of electric machine to less than a torque threshold that corresponds to the power threshold. The controller is further programmed to, in response an accessory power demand being greater than the power threshold, control the engine to power the electric machine to increase the torque output of electric machine to greater than the torque threshold to meet the accessory power demand.Type: GrantFiled: July 24, 2020Date of Patent: November 15, 2022Assignee: Ford Global Technologies, LLCInventors: Edward Ball, David Cox, Matthew Mitchell, David Hesketh, Jonathan Thombs, David Ramiro Garcia
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Patent number: 11499510Abstract: In an engine system including an engine, and an exhaust gas recirculation device including a communicating pipe that communicates an exhaust pipe of the engine with an intake pipe, and a valve provided in the communicating pipe, and an electronic control unit, and its control method, the electronic control unit estimates the pressure in the intake pipe as an estimated intake pressure, and performs a jamming diagnosis to determine whether foreign matter is stuck in the valve, by comparing an intake pressure difference between a detected intake pressure and the estimated intake pressure with a threshold value, when a diagnosis condition including an opening change condition that the target opening becomes equal to or larger than a first predetermined opening and then becomes equal to or smaller than a second predetermined opening that is smaller than the first predetermined opening is satisfied.Type: GrantFiled: July 15, 2020Date of Patent: November 15, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koji Ichikawa, Hisayuki Itoh, Hirokazu Kato, Masaaki Yamaguchi
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Patent number: 11499493Abstract: A misfire determination period is set to a predetermined range of a crank angle. A CPU performs: a calculation process of calculating an average value of a torque of an output shaft of an internal combustion engine in the misfire determination period; a misfire determining process of determining that a misfire has occurred when the calculated average value is less than a prescribed threshold value; and a process of setting the whole misfire determination period to a period in a positive torque range which is a range of a crank angle at which the torque of the output shaft is equal to or greater than zero at the time of normal combustion in which a misfire does not occur.Type: GrantFiled: August 2, 2021Date of Patent: November 15, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Hitoki Sugimoto
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Patent number: 11499487Abstract: A method and a device for regulating the pressure of the combustion gas and/or exhaust gas of a machine, in particular an internal combustion engine. The combustion gas is supplied to the machine via a supply line and is discharged via an exhaust gas line, and the supply line and/or the exhaust gas line has a regulating device, the regulating device delimiting a pressure-regulated section of the supply line and/or the exhaust gas line, and wherein the pressure in each pressure-regulated section is measured at more than one point.Type: GrantFiled: January 22, 2019Date of Patent: November 15, 2022Assignee: KRISTL, SEIBT & CO. GESELLSCHAFT M.B.H.Inventors: Robert Bauer, Stefan Lambert Hoelzl, Klemens Kranawetter
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Patent number: 11485351Abstract: An apparatus of controlling a hybrid vehicle may include: an engine; a drive motor to assist the power of the engine and selectively operate as a generator to generate electrical energy; a battery to supply electrical energy; a first intake valve disposed in a first intake line; a second intake valve disposed in a second intake line; a first electric supercharger disposed in the first intake line; a second electric supercharger disposed in the second intake line; a connecting valve disposed in a connecting line for connecting the first intake line and the second intake line; and a controller that determines a driving mode of the first and second electric superchargers. In particular, the controller controls the drive motor and the first and second electric superchargers based on a supercharger consumed energy, an additional fuel energy, and a drive motor consumed energy.Type: GrantFiled: November 23, 2020Date of Patent: November 1, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jihyun Park, Dong Hee Han, Hyun Woo Lim, Buhm Joo Suh, Jinkuk Cho, Kwanhee Lee, Sungchan Na, Yeongseop Park, Seungwoo Hong, Yong Kak Choi, Hyunjin Kang
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Patent number: 11486320Abstract: To provide a controller and a control method for an internal combustion engine capable of calculating a target value of controlled variable of internal combustion engine which realizes the target torque, while reducing the number of calculations using a torque characteristics function. A controller and a control method for an internal combustion engine calculates ignition sample numbers of ignition corresponding torques corresponding to the respective ignition sample numbers of ignition timings, by using a torque characteristics function relationship in which a relationship between driving condition and output torque is preliminarily set; and calculates an ignition torque approximated curve approximating a relationship between the ignition sample numbers of the ignition timings and the ignition sample numbers of the ignition corresponding torques; and calculates a target ignition timing corresponding to the target torque.Type: GrantFiled: February 28, 2020Date of Patent: November 1, 2022Assignee: Mitsubishi Electric CorporationInventor: Hideki Hagari
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Patent number: 11473514Abstract: A crawled vehicle comprising: an internal combustion engine; an engine compartment wherein the internal combustion engine is housed; an air inlet opening to catch air from the outside of the crawled vehicle; a first channel, for cold air, connected and fed by the air inlet opening with air coming from outside the crawled vehicle; a second channel to be fed with hot air coming from the internal combustion engine; a third channel for air, coupled to the internal combustion engine to feed the internal combustion engine with air; an air filter arranged along the third channel and upstream of the internal combustion engine; a connection element connected to the first channel, to the second channel and third channel; and an air adjusting device to adjust the air temperature in the third channel and comprising a shutter coupled to the first channel and/or to the second channel and/or to the connection element; and a control device controlling a position of the shutter to adjust the temperature of the air entering thType: GrantFiled: October 23, 2018Date of Patent: October 18, 2022Assignee: PRINOTH S.P.A.Inventors: Samuel Willems, Richard Casartelli, Georg Lentsch, Francesco Salis
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Patent number: 11460375Abstract: A specific sound having a higher frequency than an operation sound of an engine is generated in synchronization with timing of a top dead center of a specific cylinder of the engine. Thus, timing of a noise of the engine is estimated by using, for example, a deviation in time between timing of generation of a specific sound and timing at which a noise occurs in the engine, based on a sound collected from around the engine without directly using a signal of a crank angle of the engine.Type: GrantFiled: January 26, 2021Date of Patent: October 4, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yoshiya Yamashita
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Patent number: 11454178Abstract: The present invention relates to a method for controlling an internal combustion engine arrangement, which method comprises the steps of controlling an outlet valve to be arranged in an at least partial open position during a portion of an intake stroke; and providing a reducing agent to at least a portion of the flow of combustion gas exhausted from the combustion cylinder during an exhaust stroke.Type: GrantFiled: March 12, 2018Date of Patent: September 27, 2022Assignee: VOLVO TRUCK CORPORATIONInventors: Arne Andersson, Lennart Andersson
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Patent number: 11453455Abstract: In an oil filler cap, a valve part of a valve device is arranged in a range between a lower end of a screw part that is screwed to an oil filler opening part in a cap body and a seal surface that is arranged at a higher position than the screw part, a ventilation passage part is arranged above the valve part, and a ratchet mechanism is arranged on an outer circumferential side of the ventilation passage part.Type: GrantFiled: August 1, 2018Date of Patent: September 27, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Kohei Hirano, Yusaburo Tani, Hiroshi Nakashima, Yoshihito Tokuda
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Patent number: 11448149Abstract: Disclosed is a method and a device for predicting the failure time of the pressure limiting valve of a high-pressure fuel pump of a motor vehicle. The method includes measuring a characteristic parameter of the pressure limiting valve each time the motor vehicle has been switched off, determining and storing a variable determined by using the measured characteristic parameter, determining the time profile of the variable determined from the characteristic parameter, predicting the future profile of the variable determined from the characteristic parameter, and comparing the predicted future profile of the variable determined from the characteristic parameter with a predetermined wear limiting value. The comparison is to predict the time at which the predicted future profile of the variable determined from the characteristic parameter reaches the predetermined wear limiting value.Type: GrantFiled: June 11, 2020Date of Patent: September 20, 2022Assignee: Vitesco Technologies GmbHInventors: Michael Wirkowski, Tobias Ritsch, Claus Stephani
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Patent number: 11448169Abstract: The present invention relates to a vehicle EGR cooler for cooling down recirculation exhaust gas of a vehicle engine and, more particularly, to a vehicle EGR cooler, which is inserted into an engine block, and facilitates diameter adjustment and design change of a coolant outlet since a coolant outlet side is provided on an outer side of the engine block.Type: GrantFiled: February 22, 2018Date of Patent: September 20, 2022Assignee: Hanon SystemsInventors: Sang Jun Lee, Tae Soo Chun, Taek-Keun Kim