Patents Assigned to Isuzu Motor Limited
  • Publication number: 20220097012
    Abstract: This mixing member is provided with a base portion disposed in the exhaust pipe, separated from an inner wall thereof, and a plurality of blade portions which extend from the base portion toward the inner wall, and which generate a swirling flow of the exhaust gas on a downstream side, in the exhaust direction, of the mixing member, wherein: the blade portions are disposed inclined with respect to the exhaust direction such that the position of a connecting portion with the base portion is at a most downstream position thereof, in the exhaust direction; and the base portion includes a reducing agent passage which penetrates through both end surfaces thereof in the exhaust direction, and which allows the reducing agent to pass through from an upstream side to a downstream side of the mixing member in the exhaust direction.
    Type: Application
    Filed: December 23, 2019
    Publication date: March 31, 2022
    Applicant: Isuzu Motors Limited
    Inventors: Ken MIYAWAKI, Nobutaka AYABE
  • Publication number: 20220097710
    Abstract: Provided are a lane change information sharing device and a vehicle with which information for making a lane change can be shared between vehicles forming a vehicle group. The lane change information sharing device is equipped with: a determination section for determining, when a first vehicle forming a vehicle group changes lanes from a first lane to a second lane, which is adjacent to the first lane, whether an obstruction exists in a virtual route from the first lane to the second lane of the first vehicle; and an information-sharing control execution section for executing a control for transmitting information about the first possible lane change region, which is a region that can be used by the first vehicle when the first vehicle changes lanes from the first lane to the second lane, to a second vehicle forming the vehicle group together with the first vehicle, when the determination section has determined that no obstruction exists.
    Type: Application
    Filed: September 13, 2019
    Publication date: March 31, 2022
    Applicant: Isuzu Motors Limited
    Inventor: Yasuyuki MISHIMA
  • Patent number: 11286998
    Abstract: A control device for a clutch, which is provided between an operation machine and a drive shaft of an engine, controls an operation of a valve member for opening and closing an oil supply port through which an oil reservoir chamber and a torque transmission chamber communicate. The control device refers to a desired rotation speed of a rotating body of the operation machine and to an acquired rotation speed of the rotating body of the operation machine, calculates a proportional term manipulated variable based on a deviation between an angular acceleration of the rotating body and a desired angular acceleration, and controls the operation of the valve member on the basis of this calculated proportional term manipulated variable.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: March 29, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventor: Yusuke Takahashi
  • Patent number: 11280225
    Abstract: A waste heat utilization device for a vehicle, said waste heat utilization device being provided with a Rankine cycle system and comprising: a motor-generator that is connected to an expander and is structured so as to be able to rotate integrally with the expander; a clutch device that is provided between the expander and a power transmission system of the vehicle; and a clutch control unit that is structured so as to control switching of the clutch device between a connected state and a disconnected state.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: March 22, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Kota Kato, Susumu Fukunaga, Makoto Abe, Tomofuyu Matsuuki
  • Patent number: 11267486
    Abstract: Control is performed so as to detect a brain wave or a heartbeat of a driver of a vehicle during automatic driving of the vehicle, and use a plurality of indexes further correlated with sleepiness of the driver among indexes related to the brain wave or the heartbeat of the driver to calculate a concentration index CI, which is an index indicating driving concentration of the driver, at each preset control interval.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: March 8, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventor: Koji Sugiura
  • Patent number: 11267478
    Abstract: An imaging unit 2 captures an image of a driver of a vehicle. A driving state measurement unit 70 analyzes the image captured by the imaging unit 2 and measures a plurality of driving states including the driver's face orientation angle. A traveling state determination unit 71 determines the traveling state of the vehicle. An alarm determination unit 72 determines whether to activate an alarm device 5 on the basis of the driving states and the traveling state. When the face orientation angle acquired from the driving state measurement unit 70 is out of a normal determination reference range, and it is determined that the driving states other than the face orientation angle are normal and the traveling state is also normal, the alarm determination unit 72 causes the driving state measurement unit 70 to re-execute the face orientation angle detection process.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: March 8, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Kazuhiko Yamaguchi, Shigeru Takinami, Mayumi Iwao
  • Patent number: 11267303
    Abstract: A suspension device according to one embodiment of the present disclosure which is equipped with an upper arm, a lower arm, and a leaf spring positioned so as to extend in the vehicle widthwise direction in a manner such that an end section thereof is provided in the lower arm, wherein: the lower arm has an opening which opens to the inside in the vehicle widthwise direction; the leaf spring extends into the lower arm through the opening; the end section of the leaf spring is supported by a support part of the lower arm; and a cover section of the lower arm covers the end section of the leaf spring at a distance therefrom, and has a prescribed reinforcing shape.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: March 8, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Daisuke Senoo, Atsushi Itou
  • Patent number: 11260754
    Abstract: This control device for an electric vehicle is provided with: a discharge control unit which, when the electric vehicle has been turned off, if the SOC of the battery is within a prescribed range in which the battery is prone to deteriorate, performs control for discharging the battery until the SOC has left the prescribed range; a travelable distance calculation unit which calculates the travelable distance of the electric vehicle using the SOC and a travel coefficient; and a travel coefficient correction unit which, before and after performing control for discharging the battery is performed by the discharge control unit, corrects the travel coefficient such that the travelable distance calculated by the travelable distance calculation unit is reduced.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: March 1, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Yuuki Tenma, Kiyoshi Takeuchi, Shigeki Iijima
  • Patent number: 11247716
    Abstract: A steering device (1) installed in a vehicle is equipped with: a steering wheel (10); a steering shaft (20) having a first shaft part (21), one end of which is directly connected to the steering wheel (10), and a second shaft part (22) connected to the first shaft part (21) on the other end side thereof; a coaxial motor (50) which applies a rotational force to the first shaft part (21), and has a motor housing (51) which supports the steering shaft (20) and surrounds the periphery of the first shaft part (21); and a support bracket (60) which extends in the axial direction of the steering shaft (20) in a front region inside the vehicle compartment, is secured to the vehicle compartment on the bottom end side and top end side thereof, and at the top end side thereof, sandwiches the motor housing (51) from both the left and right sides in the vehicle widthwise direction.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: February 15, 2022
    Assignee: Isuzu Motors Limited
    Inventors: Junpei Okutani, Haruyuki Hosoya, Kousuke Kawakami
  • Patent number: 11242815
    Abstract: The error diagnosis device has: an input unit that receives detected values for pressure inside the common rail; a calculation unit that, if the detected values are less than a target common rail pressure, calculates the pressure differences and the fuel pump discharge amounts; and a determination unit that determines whether or not a set time has lapsed in a state in which the pressure differences are at least a first threshold value and less than a second threshold value and the discharge amounts are at least a third threshold value and less than a fourth threshold value. The determination unit determines that an error has occurred in the high-pressure pump if the set time has lapsed and determines that an error has occurred in the flowrate adjustment valve if the set time has not lapsed.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: February 8, 2022
    Assignee: Isuzu Motors Limited
    Inventors: Yuusuke Kobayashi, Katsushi Shidomi, Kunio Noda, Daiki Ishii, Fumihiko Okazaki
  • Publication number: 20220035360
    Abstract: Provided is a vehicle inspection management system that can improve convenience for a person engaged in periodic vehicle inspection by reflecting, in an inspection management table, failure prediction results of vehicle components. This vehicle inspection management system is provided with: a management table output unit that outputs an inspection management table on which the expiry of periodic vehicle inspection is recorded for each vehicle so as to be displayed on a display unit in response to an input instruction; a prediction unit that acquires vehicle control information and predicts failure or degradation of vehicle components; and an additional recording unit that, when the failure or the degradation of the vehicle components is predicted by the prediction unit, additionally records a special inspection recommendation item to a field where the periodic inspection expiry has been recorded.
    Type: Application
    Filed: September 24, 2019
    Publication date: February 3, 2022
    Applicant: Isuzu Motors Limited
    Inventor: Akira YAMASHITA
  • Patent number: 11230327
    Abstract: A steering device exhibiting improved layout properties around a steering shaft. A steering device installed in a vehicle, the vehicle compartment of which is capable of tilting, has: a first steering shaft, one end of which is connected to a steering wheel; a second steering shaft positioned below the first steering shaft and in a manner such that the one end thereof connected to the other end of the first steering shaft is located above the floor section of the vehicle compartment; and a coaxial motor which applies a rotational force to the first steering shaft and is provided in a manner such that the output shaft thereof is coaxial with the first steering shaft. Furthermore, the second steering shaft is capable of telescoping, because a shaft and a cylindrical member are connected so as to be capable of sliding relative to one another in the axial direction.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: January 25, 2022
    Assignee: Isuzu Motors Limited
    Inventors: Junpei Okutani, Haruyuki Hosoya, Kousuke Kawakami
  • Patent number: 11226204
    Abstract: A segment determination device has an acquisition unit for acquiring altitude information about points on a road on which a segment is defined, a calculation unit for calculating a distance between a point where a vehicle is located and an end point of the segment, a reference point determination unit for determining a reference point that is a point closest from the end point based on the calculated distance, a feature amount determination unit for determining a feature amount that indicates gradient information, and a segment determination unit for, in a case where the feature amount is outside a predetermined range, determining a segment in which the end point of the segment is set as a start point and whichever of two points adjacent to the point more ahead of the vehicle than the reference point that is closed to the vehicle is set as an end point.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: January 18, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventor: Yoshitaka Kanda
  • Patent number: 11225117
    Abstract: A suspension device according to the present disclosure which is equipped with an upper arm, a lower arm, and a leaf spring, wherein: the intermediate section of the leaf spring is housed inside a main cross member among the suspension cross members; the main cross member among the suspension cross members is connected to the side member via a hollow bracket; the hollow bracket has a bracket shock absorber positioned so as to face the lower arm; and the hollow bracket has a reinforcing part which faces the bracket shock absorber.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: January 18, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Daisuke Senoo, Atsushi Itou
  • Patent number: 11220276
    Abstract: This travel control device includes: a road determining unit which determines whether a road including a downward slope along which a vehicle is traveling includes a first curved road and a second curved road; and a travel control unit which, if the road determining unit has determined that the road contains the first curved road and the second curved road, causes the vehicle, when being caused to travel in such a way as to maintain a target speed, to decelerate at a curved road entry side of the first curved road and to coast from a curved road exit side of the first curved road, such that the vehicle can pass through the first curved road.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: January 11, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Kouki Natsumi, Naoki Takahashi, Satoshi Hayashi
  • Patent number: 11214255
    Abstract: A vehicle control device comprising: a balance gradient calculation unit configured to calculate a balance gradient that is a gradient at which a propulsive force of the vehicle and a resistance force applied to the vehicle are balanced when the vehicle travels in a gear-in coasting state in which an engine is connected to a gear and the vehicle travels without supplying fuel to the engine, in a case where a traveling state of the vehicle is a neutral coasting state; and a traveling control unit configured to: switch, based on the calculated balance gradient and a specified road gradient, the traveling state of the vehicle from the neutral coasting state to the gear-in coasting state in a case where the traveling state of the vehicle is the neutral coasting state; and end, the gear-in coasting state when determining that an end condition is satisfied.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: January 4, 2022
    Assignee: ISUZU MOTORS LIMITED
    Inventors: Satoshi Hayashi, Naoki Takahashi, Shinichi Ishiguro, Kouki Natsumi
  • Patent number: 11203955
    Abstract: This blow-by gas system is provided with: a blow-by gas flow path through which a blow-by gas discharged from an internal combustion engine passes; and an oil separator disposed midway along the blow-by gas flow path. A downstream end of the blow-by gas flow path connects to at least one of a predetermined portion of an intake passageway and a midway portion of an air introduction passageway. The predetermined portion is a portion at which at least some of the blow-by gas that has flowed into the intake passageway flows into the air introduction passageway together with an intake air in the intake passageway.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: December 21, 2021
    Assignee: ISUZU MOTORS LIMITED
    Inventor: Hideki Osada
  • Patent number: 11204068
    Abstract: This clutch control device is provided with: a supply valve and a supply valve control unit, which control the supply of an operating fluid to a pressure chamber; a first discharge valve and a first discharge valve control unit, which control the discharge of the operating fluid in the pressure chamber; and a second discharge valve and a second discharge valve control unit, which control the discharge of the operating fluid in the pressure chamber. When it is determined that the engagement and disengagement switching of a clutch device 2, which is necessitated by the discharge of the operating fluid in the pressure chamber, is required, the first discharge valve is controlled to be opened and then the second discharge valve is controlled to be opened.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: December 21, 2021
    Assignee: ISUZU MOTORS LIMITED
    Inventor: Shuuichi Yahagi
  • Patent number: 11203380
    Abstract: In a steering assistance device 1, a steering control unit 74 causes a first auxiliary unit 14 to generate torque with reducing by a predetermined amount and causes a second auxiliary unit 20 to generate torque equal to or less than the decreased predetermined amount, in a case where the first auxiliary unit 14 is able to generate a steering assistance force such that a steering angle of a vehicle can reach a target steering angle determined according to curvature so as to make the vehicle travel in the center of a lane.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: December 21, 2021
    Assignee: ISUZU MOTORS LIMITED
    Inventor: Teruhiko Suzuki
  • Patent number: 11199230
    Abstract: This clutch control device is provided with: a first valve; a second valve; a valve control unit configured to control the operation of each of the first valve and the second valve; an operation determination unit configured to perform an operation determination for the clutch device; and an initial operation completion determination unit which determines whether an initial operation of the clutch device has been completed. The valve control unit, if it is determined by the operation determination unit that an on-off switching process is required, subjects both the first valve and the second valve to opening-control. If it is determined by the initial operation completion determination unit that the initial operation has been completed, the valve control unit subjects the second valve to closing-control.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: December 14, 2021
    Assignee: ISUZU MOTORS LIMITED
    Inventor: Shuuichi Yahagi