Patents Assigned to Isuzu Motors Limited
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Patent number: 12270367Abstract: Provided are an engine control device and a vehicle with which the methane number of LNG fuel can be estimated. The engine control device is capable of using liquefied natural gas as fuel, and is provided with an acquisition unit that acquires an ignition retard control amount for avoiding engine knocking, and an estimating unit that estimates the methane number of the liquefied natural gas on the basis of an index value indicating the acquired ignition retard control amount.Type: GrantFiled: October 18, 2022Date of Patent: April 8, 2025Assignees: Isuzu Motors Limited, Nikki Co., Ltd.Inventors: Shinichiro Kaneko, Misao Tanaka, Koji Goto, Buso Takigawa, Ryota Adachi
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Patent number: 12269347Abstract: A control apparatus of an inverter that controls the drive of a traction motor of a vehicle is described. At a time when the vehicle starts moving by the drive of the traction motor, the control apparatus executes control processing to set a carrier frequency of the inverter to a low frequency within an audible range, and at a time other than when the vehicle starts moving, the control apparatus executes control processing to set the carrier frequency to a high frequency higher than the low frequency.Type: GrantFiled: March 22, 2023Date of Patent: April 8, 2025Assignee: Isuzu Motors LimitedInventor: Yuta Ikeda
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Publication number: 20250091823Abstract: Provided is a cargo loading guidance system that guides loading of a cargo in a cargo compartment and includes: a depth sensor that is installed in the cargo compartment and measures depth data of the cargo compartment; a cargo compartment state estimation section that estimates a cargo compartment state from the measured depth data; a specification section that specifies a placing location of the cargo in the cargo compartment by referring to a size of the cargo, based on the estimated cargo compartment state; and a guidance apparatus that is installed inside the cargo compartment and indicates the placing location specified by the specification section.Type: ApplicationFiled: September 18, 2024Publication date: March 20, 2025Applicant: Isuzu Motors LimitedInventors: Maya MATSUSHITA, Tomoaki SHIMOZAWA, Yuka MIZUSHI, Atsushi SHITANAKA
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Publication number: 20250095130Abstract: Provided is a weld quality inspection system of the present disclosure that includes: an imaging apparatus that images a heat sensitive paint applied to a conductive member that is electrically connected to a plurality of battery cells by a weld; and a determination processing part that determines a quality of the weld based on an image obtained by the imaging apparatus.Type: ApplicationFiled: September 13, 2024Publication date: March 20, 2025Applicant: Isuzu Motors LimitedInventor: Kenichiro TSUDA
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Publication number: 20250086572Abstract: Provided is a cargo handling system that supports, when unloading of a cargo loaded on a vehicle is performed, work of the unloading, and includes: an RFID reader/writer that transmits and receives a radio wave to and from an RFID tag attached to the cargo; a storage section that stores a list in which ID information of the RFID tag is associated with a delivery location; a display apparatus disposed in the cargo compartment; and a control apparatus that acquires the ID information associated with the delivery location, further acquires a radio wave intensity of the RFID tag having the acquired ID information from the RFID reader/writer, and controls, in a case where the acquired radio wave intensity exceeds a threshold value, the display apparatus such that the display apparatus indicates a placement location for an undelivered cargo, which is a cargo to which the RFID tag is attached.Type: ApplicationFiled: September 4, 2024Publication date: March 13, 2025Applicant: Isuzu Motors LimitedInventors: Tomoaki SHIMOZAWA, Maya MATSUSHITA, Yuka MIZUSHI, Atsushi SHITANAKA
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Publication number: 20250083647Abstract: This vehicle control device comprises: a slope movement start assistance unit that maintains a braking force until elapse of a predetermined period since execution of a braking release operation for releasing a braking force applied to the wheels of a vehicle equipped with a motor serving as a power source such that the vehicle does not go down a slope; an acquisition unit that acquires each of the gradient of a road surface on which the vehicle is stopped and the total weight of the vehicle; and a control unit that executes control for causing the motor to generate, in the predetermined period, a threshold torque that corresponds to each of the gradient of the road surface on which the vehicle is stopped and the total weight of the vehicle.Type: ApplicationFiled: January 6, 2023Publication date: March 13, 2025Applicant: Isuzu Motors LimitedInventors: Yuta IKEDA, Hitoshi MIYAGAWA
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Patent number: 12247533Abstract: The present disclosure prevents foreign matter such as particles composed of soot and hydrocarbons from entering an EGR passage. Thus, a foreign matter intrusion prevention structure includes: an internal-combustion engine; an intake manifold that introduces outside air into a cylinder of the internal-combustion engine; an exhaust manifold that collects exhaust gas discharged from the cylinder of the internal-combustion engine; an exhaust gas purifying device that is connected to the exhaust manifold through an exhaust duct; an exhaust gas recirculation device that sends a part of the exhaust gas from the exhaust manifold to the intake manifold without passing the part of the exhaust gas through the exhaust gas purifying device; and an intrusion prevention net provided in a vicinity of an inlet from the exhaust manifold to the exhaust gas recirculation device.Type: GrantFiled: May 28, 2024Date of Patent: March 11, 2025Assignee: Isuzu Motors LimitedInventor: Junichi Miwa
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Patent number: 12249197Abstract: This notifying device is provided with: a notifying unit which detects an object present at the periphery of a vehicle, and notifies a passenger of the presence of the object; and a notification control unit in which a low departure operation, among the operations of an operating unit for operating the vehicle, for which the intention of the driver to depart is estimated to be at most equal to a predetermined threshold, is set in advance, wherein, if the low departure operation is executed while the vehicle is stopped, the notification control unit controls the notifying unit to suppress the level of notifications compared with a situation in which the vehicle is traveling.Type: GrantFiled: January 29, 2021Date of Patent: March 11, 2025Assignee: Isuzu Motors LimitedInventors: Tomokazu Tojo, Tomoaki Sasaki, Naoki Takahashi
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Patent number: 12240444Abstract: This drive assistance device comprises an ACC unit, an abnormality detection unit for detecting an abnormality from a detector used to perform ACC, and a vehicle stop control unit for performing control to stop an ego vehicle when an abnormality is detected by the abnormality detection unit and an inter-vehicle distance to a preceding vehicle satisfies a certain condition.Type: GrantFiled: February 26, 2021Date of Patent: March 4, 2025Assignee: Isuzu Motors LimitedInventors: Wasantha Oshita, Masaichi Takahashi, Shinichiro Fukazawa
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Patent number: 12240459Abstract: The present invention pertains to driving assistance method and device by which an automobile can be parked at a location near a target parking location when carrying out ACC. During deceleration control via ACC, when a predicted parking location is closer than a target parking location by at least a prescribed threshold value, a parking location is adjusted by causing a state change from a first state, in which deceleration control is carried out, to a second state, in which acceleration control is carried out.Type: GrantFiled: February 26, 2021Date of Patent: March 4, 2025Assignee: Isuzu Motors LimitedInventors: Wasantha Oshita, Masaichi Takahashi, Shinichiro Fukazawa
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Publication number: 20250065748Abstract: Provided is a charge control device with which the charge amount of a battery is easily raised. This charge control device comprises: a connection unit for connecting a plurality of batteries in parallel to a charger connected to a vehicle; an acquisition unit for acquiring the voltage of the plurality of batteries; and a control unit for calculating a difference in potential between a connected battery that is connected to the charger and an unconnected battery that is not connected to the charger, among the plurality of batteries, on the basis of the voltage acquired by the acquisition unit and controlling the connection unit so as to furthermore connect the unconnected battery to the charger when the difference in potential is not within a prescribed potential range.Type: ApplicationFiled: October 17, 2022Publication date: February 27, 2025Applicant: Isuzu Motors LimitedInventor: Takuya KIKUCHI
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Publication number: 20250070360Abstract: A battery replacement apparatus of the present disclosure includes: an arm that holds a battery; and an arm moving section that moves the arm. The arm moving section includes: a first lifting portion for moving the arm at least in a vertical direction within an apparatus main body of the battery replacement apparatus; and a second lifting portion for moving the arm in a vertical direction outside the apparatus main body.Type: ApplicationFiled: August 21, 2024Publication date: February 27, 2025Applicant: Isuzu Motors LimitedInventor: Muneyuki OSAWA
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Publication number: 20250052266Abstract: Provided is the coupling structure for coupling together closed cross-section members comprising a pair of opposing through holes wherein the coupling structure includes: a pipe that has an opening at one end arranged in one of the pair of through holes and an opening at another end arranged in the other of the pair of through holes; a patch provided to the exterior of each of the closed cross-section members; a bracket abutted against the patch; and bolts that in each of the closed cross-section members are inserted through the second bolt holes, the first bolt holes, and the pipe and are tightened with a nut. The pipe is not fixed to either the closed cross-section members or the patch, and the diameter of the pair of through holes is greater than the outer diameter of the pipe.Type: ApplicationFiled: September 15, 2022Publication date: February 13, 2025Applicant: Isuzu Motors LimitedInventor: Kenichi HORIGUCHI
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Publication number: 20250052182Abstract: The exhaust structure comprises an exhaust pipe through which exhaust gas flows, a urea water injector that injects urea water, a SCR catalyst provided downstream of the injection position of the urea water, and an attachment member for fixedly attaching the urea water injector to the exhaust pipe. The attachment member is a cylindrical body passing through in the axial direction, and is attached to the exhaust pipe such that a nozzle hole of a urea water injector is disposed in one opening part and the other opening part faces the inside of the exhaust pipe on the upstream side of the SCR catalyst. The inner peripheral surface of the attachment member is provided with a rib that causes exhaust gas flowing from the other opening part to the one opening part to change direction so as to flow from the one opening part to the other opening part.Type: ApplicationFiled: September 15, 2022Publication date: February 13, 2025Applicant: Isuzu Motors LimitedInventors: Isao OHARA, Junji SAKAI, Yuki UEDA
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Publication number: 20250043900Abstract: Provided are a pipe attachment structure (1) and a bracket (20) that minimize breakage of a pipe (10). This pipe attachment structure is mounted on a moving body and a pipe through which a fluid flows is attached to a predetermined component via a bracket, wherein the bracket has a flange part (23) formed into a flange by bending the bracket such that of the portion that attaches to the outer peripheral surface of the pipe, the end part in the flowing direction of the fluid separates from the outer peripheral surface of the pipe.Type: ApplicationFiled: September 15, 2022Publication date: February 6, 2025Applicant: Isuzu Motors LimitedInventors: Daijiro TANAKA, Tatsuya TSUZUKI
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Patent number: 12212178Abstract: A attainable output power comparison judgment section calculates a total attainable output power of a battery module using an upper limit current value of a battery pack for each of all connection patterns of a battery connection/disconnection section that are capable of being established between a plurality of battery packs and a load, and judges whether or not a high-output pattern exhibiting a total attainable output power higher than a total attainable output power of a present connection pattern exists. The battery connection/disconnection control section changes the battery connection/disconnection section from the present connection pattern to the high-output pattern when the attainable output power comparison judgment section judges that the high-output pattern exists.Type: GrantFiled: March 22, 2023Date of Patent: January 28, 2025Assignee: Isuzu Motors LimitedInventor: Kota Kato
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Patent number: 12202477Abstract: This driving assistance device comprises: an ACC starting operation reception unit that receives an ACC starting operation by a driver of a vehicle when the vehicle is stationary; and an ACC starting operation retention unit that retains the ACC starting operation received by the ACC starting operation reception unit as a valid instruction for a predetermined period after the ACC starting operation, and that cancels the ACC starting operation after a lapse of the predetermined period.Type: GrantFiled: February 26, 2021Date of Patent: January 21, 2025Assignee: Isuzu Motors LimitedInventors: Wasantha Oshita, Masaichi Takahashi, Shinichiro Fukazawa
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Publication number: 20250003372Abstract: Provided are; a fuel supply control device capable of preventing damage on components caused by LNG fuel in a liquid state; and a vehicle. The fuel supply control device is for controlling selective supply, to an engine, of either LNG fuel or CNG fuel stored in separated tanks, and is provided with: a determination unit for determining whether warming up of the engine is completed after start of the engine; and a control unit that performs CNG fuel supply control for supplying CNG fuel to the engine when the warming up of the engine is not yet completed, and performs LNG fuel supply control for supplying vaporized LNG fuel to the engine when the warming up of the engine is completed.Type: ApplicationFiled: September 14, 2022Publication date: January 2, 2025Applicant: Isuzu Motors LimitedInventors: Shinichiro KANEKO, Takayuki KIUCHI, Koji GOTO
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Publication number: 20240418140Abstract: Provided are an engine control device and a vehicle with which the methane number of LNG fuel can be estimated. The engine control device is capable of using liquefied natural gas as fuel, and is provided with an acquisition unit that acquires an ignition retard control amount for avoiding engine knocking, and an estimating unit that estimates the methane number of the liquefied natural gas on the basis of an index value indicating the acquired ignition retard control amount.Type: ApplicationFiled: October 18, 2022Publication date: December 19, 2024Applicants: Isuzu Motors Limited, Nikki Co., Ltd.Inventors: Shinichiro KANEKO, Misao TANAKA, Koji GOTO, Buso TAKIGAWA, Ryota ADACHI
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Publication number: 20240410329Abstract: This fuel property determination device determines components of liquefied natural gas stored in a tank as a fuel for an engine. The fuel property determination device has: an estimation unit that estimates the methane number of the liquefied natural gas using a first estimation method when the engine is being driven, and estimates the methane number of the liquefied natural gas using a second estimation method different from the first estimation method when the engine is to be restarted from a stopped state; and a control unit that controls a notification device so as to provide a notification indicating that a property change has occurred in the liquefied natural gas, if the methane number of the liquefied natural gas estimated by the first or second estimation method is less than a threshold.Type: ApplicationFiled: October 18, 2022Publication date: December 12, 2024Applicants: Isuzu Motors Limited, Nikki Co., Ltd.Inventors: Shinichiro KANEKO, Misao TANAKA, Koji GOTO, Buso TAKIGAWA, Ryota ADACHI