Patents Assigned to Mitsubishi Jidosha Kogyo Kabushiki Kaisha
  • Patent number: 11648917
    Abstract: A highly reliable vehicle brake system that includes an electric brake and achieves redundancy at low cost is provided. A vehicle brake system (1) is provided to a wheel (Wa) of a vehicle (VB), and includes an electric brake (16a) provided with a motor (80), a driver (60) that drives the motor (80), and a first control device (10) provided with a master controller (30) and a first sub-controller (40) connected to each other. The electric brake (16a) is controllable by both the master controller (30) and the first sub-controller (40).
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: May 16, 2023
    Assignees: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA, NTN CORPORATION, HITACHI ASTEMO, LTD., HITACHI ASTEMO UEDA CO., LTD.
    Inventors: Hiromasa Satoh, Toshihiro Obika, Yusuke Koga, Hiromitsu Toyota, Haruo Kotera, Tatsuya Yamasaki, Yui Masuda
  • Publication number: 20230124316
    Abstract: A connector includes a housing having a fitting part that is inserted and fitted into a counterpart fitting part, a shield shell having a shell flange part disposed opposite a wall surface of a counterpart wall body with an interval therebetween, a first watertight member between the fitting part and the counterpart fitting part, and a second watertight member that is crushed between the shell flange part and a wall surface of the counterpart wall body. The housing has a housing flange part with an outer peripheral surface thereof disposed inside an outer peripheral edge of the shell flange part and outside an inner edge of the shell flange part, and with a contact surface with an annular shape in contact with the wall surface of the counterpart wall body.
    Type: Application
    Filed: December 15, 2022
    Publication date: April 20, 2023
    Applicants: Yazaki Corporation, Mitsubishi Jidosha Kogyo Kabushiki Kaisha
    Inventors: Satoki MASUDA, Hikaru OI, Tomohiro JINTOKU, Kanato KIMURA, Masaharu YAMAGISHI, Kazuhiro OKAMURA
  • Publication number: 20230064386
    Abstract: A battery operation mode display device includes the mode display unit that displays a plurality of battery operation modes for controlling discharging and charging. The mode display unit sequentially displays a first mode indicator corresponding to a first battery operation mode identified in a first engine drive permission range, a second mode indicator corresponding to a second battery operation mode identified in a second engine drive permission range wider than the first engine drive permission range, and a third mode indicator corresponding to a third battery operation mode identified in a third engine drive permission range wider than the second engine drive permission range, among a plurality of battery operation modes identified for each drive permission range of the engine, in accordance with the drive permission range of the engine.
    Type: Application
    Filed: January 15, 2021
    Publication date: March 2, 2023
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Toshifumi MIZUI, Takeshi TOYODA, Yuichi KAMEI, Hiroshi TACHIBANA
  • Publication number: 20230058534
    Abstract: A battery control device includes: an input unit that selects and inputs a first battery operation mode that is one of a plurality of battery operation modes that control discharging from a battery to an electric motor and charging from a generator to the battery by an operation of an occupant of the vehicle; a selection status display unit that displays a mode indicator corresponding to each of the plurality of battery operation modes and displays a selection status in the input unit; a confirmation unit that confirms the first battery operation mode when a selected state of the first battery operation mode is maintained for a predetermined time after the first battery operation mode is selected in the input unit; and a battery operation control unit that controls the operation of the battery of the vehicle based on the first battery operation mode confirmed by the confirmation unit.
    Type: Application
    Filed: January 15, 2021
    Publication date: February 23, 2023
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Toshifumi MIZUI, Takeshi TOYODA, Yuichi KAMEI, Hiroshi TACHIBANA
  • Patent number: 11555468
    Abstract: A cylinder head includes an intake-side wall part (1a) that upwardly extends from a cylinder head lower surface (lb) coupled to a cylinder block; a port circumferential wall part (4) that forms therein an intake port (3) communicating with a combustion chamber (2) of an engine; an outer longitudinal rib (14) that projects from an outer surface of the port circumferential wall part (4) on a side of the cylinder head lower surface (lb); and a boss part (13) that is bulged from the intake-side wall part (1a) on one end portion of the outer longitudinal rib (14). The port circumferential wall part (4) includes a resin part disposed along an inner surface thereof. The outer longitudinal rib (14) extends in a direction away from the intake-side wall part (1a) along a flow direction of intake air flowing inside the intake port (3). The boss part (13) includes a hole part (13a) that discharges gas in the intake port (3) when injection molding of the resin part is carried out.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: January 17, 2023
    Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi Ishii, Mitsutaka Kojima, Shinichi Murata
  • Patent number: 11530667
    Abstract: A cylinder head (1) disclosed herein includes a cylinder head main body (10) having an intake port (3) communicating with a combustion chamber (2) of an engine; and an insulation member (20) being arranged at an inner side of the intake port (3), made of resin, and formed into an annular shape. A step part (14) is formed at a downstream side of the insulation member (20) in a flow direction of intake air in the intake port (3) such that the intake port (3) has a cross section perpendicular to the flow direction at the downstream side smaller than a cross section perpendicular to the flow direction at an upstream side of the flow direction; and an annular seal member (21) that seals a space between the insulation member (20) and the step part (14) is arranged between the insulation member (20) and the step part (14).
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: December 20, 2022
    Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Mitsutaka Kojima, Shinichi Murata, Hiroshi Ishii
  • Publication number: 20220396155
    Abstract: A vehicle control device that calculates a vehicle body velocity of a vehicle is disclosed. Sensors (18, 19) that obtain respective wheel velocities of left and right wheels (5) arranged along the vehicle width direction are provided. A calculator (11) that calculates, when the left and right wheels (5) are not slipping, an average value (A) of the wheel velocities as the vehicle body, and calculates, when at least one of the left and right wheels (5) is slipping, the vehicle body velocity on the basis of the average value (A) and a lower velocity value (B) between the wheel velocities is provided. With this configuration, the precision in calculating the vehicle body velocity is enhanced, suppressing a cost rise.
    Type: Application
    Filed: March 29, 2021
    Publication date: December 15, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Wataru TANOOKA, Yutaro OKAMURA, Ryota TAKAHASHI, Naoki TAKAHASHI
  • Publication number: 20220396153
    Abstract: The disclosed vehicle braking device controls a hydraulic brake system (2) and a regeneration brake system (3) mounted on a vehicle (1) in accordance with an acceleration value and a brake value, and includes a first divider (11), a second divider (12), and a controller (13). The first divider (11) divides a driver demand torque set according to the accelerator value into a target coast torque and a remaining torque. The second divider (12) divides a sum of a deceleration torque set according to the brake value and the target coast torque divided by the first divider (11) into a hydraulic-brake demand torque and a regeneration-brake demand torque. The controller (13) controls the hydraulic brake system (2), using the hydraulic-brake demand torque, and controls the regeneration brake system (3), using a total regeneration brake torque calculated from the remaining torque and the regeneration-brake demand torque.
    Type: Application
    Filed: March 29, 2021
    Publication date: December 15, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Naoki MIYAMOTO, Takanori SUGIMOTO, Norihiko IKOMA
  • Publication number: 20220388399
    Abstract: A vehicle state display device for a vehicle includes an output limiting unit that limits an output of the vehicle when charge of a battery is equal to or smaller than a first value and a battery state display unit that displays a state of the battery. The battery state display unit switches and displays a first display mode indicating that the state of charge of the battery exceeds a second value that is larger than the first value, a second display mode indicating that the state of charge of the battery is equal to or smaller than the second value and exceeds the first value and the output of the vehicle may be limited, and a third display mode indicating that the state of charge of the battery is equal to or smaller than the first value and the output of the vehicle is being limited.
    Type: Application
    Filed: April 21, 2021
    Publication date: December 8, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Yuichi TOMIDA, Makoto KAMIHIRA, Akihiro SHIINO, Masako ABE
  • Publication number: 20220371420
    Abstract: On a lower side of a floor (2), a battery storage section (31) is formed on a front side of a cross member (27) that connects left and right side members (3l, 3r) to dispose a driving battery (34), a tank storage section (30) is formed on a rear side to dispose a fuel tank (32) and a driving motor (9) is disposed on a rear side of the tank storage section (30). A power cable (26) from a terminal block (34a) of the driving battery (34) is routed and fixed as appropriate so as to bypass the fuel tank (32) via the left side of the fuel tank (32) in the tank storage section (30) and connected to the driving motor (9) via a junction box (21). In an extra length routing area (37) on a side wall (27a) of the cross member (27), an extra length area (26a) is formed by slackening the power cable (26) in a semicircular shape.
    Type: Application
    Filed: November 9, 2020
    Publication date: November 24, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Shoji TANIZAWA, Yusuke OKADA, Masaharu YAMAGISHI
  • Publication number: 20220371529
    Abstract: A vehicle drive unit includes an internal combustion engine (21), an electromotive unit (23) having a first electric motor (31) and a second electric motor (33), an inverter (27) disposed above the electromotive unit, a first harness (41) that electrically connects the inverter and a first terminal block (61) of the first electric motor, and a second harness (42) that electrically connects the inverter and a second terminal block (62) of the second electric motor. The first electric motor and the second electric motor are disposed in a vehicle front-rear direction. Of the first electric motor and the second electric motor, one electric motor is disposed on the front side in the front-rear direction, and the other electric motor is disposed on the rear side in the front-rear direction. The other electric motor is offset upward in the up-down direction with respect to the one electric motor.
    Type: Application
    Filed: November 9, 2020
    Publication date: November 24, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Shoji TANIZAWA, Shinsuke HORIBE, Masaharu YAMAGISHI, Chika TAKABA, Toshihiko ANDO, Kohei HIGASHITANI, Kenji UMEMURA
  • Publication number: 20220371439
    Abstract: A vehicle state display device of a vehicle including an engine that drives driving wheels includes a display unit that displays an energy transmission state of the vehicle, a vehicle configuration display control unit, and a transmission state display control unit. The transmission state display control unit displays, between an engine display and a driving wheel display on the display unit during operation of the engine, a first transmission display indicating a transmission of energy between the engine and the driving wheels, and changes a display mode of the first transmission display between a case where the vehicle is traveling and a case where the vehicle is stopped.
    Type: Application
    Filed: November 16, 2020
    Publication date: November 24, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Yuichi TOMIDA, Hiroyuki SUZUKI, Masako ABE, Yoshikazu TESHIMA
  • Publication number: 20220371421
    Abstract: A rear suspension cross member (4) is suspended and supported on a lower side of a floor (2), and a drive unit (8) including a driving motor (9), an inverter (10) and a transaxle (11) is mounted on the rear suspension cross member (4). A power supply unit (20) including a junction box (21), a charger (22) and a DC-AC inverter (23) is mounted on the floor (2), and a terminal block (21a) of the junction box (21) is connected to a terminal block (10a) of the inverter (10) via a motor-side power cable (42). The junction box (21) and the inverter (10) are disposed on opposite sides of each other with respect to a center line (L) in the left-right direction of the vehicle body.
    Type: Application
    Filed: November 9, 2020
    Publication date: November 24, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventor: Shoji TANIZAWA
  • Publication number: 20220363121
    Abstract: A rear suspension cross member (4) is suspended from and supported by left and right side members (31, 3r) on a lower side of a floor (2) of a vehicle body, a drive unit (8) including a driving motor (9) is mounted on the rear suspension cross member (4), and a power supply unit (20) including a junction box (21) is mounted on an upper side of the floor (2). A framework member (43) is spanned between brackets (421, 42r) erected on the left and right side members (31, 3r) to support a rear part of a seat cushion (39a) of a rear seat (39), the framework member (43) is disposed at a position rearward of the power supply unit (20) and at a position forward of the rear end of the rear suspension cross member (4) by a dimension (L1), and is used to mitigate input from another vehicle in a rear end collision.
    Type: Application
    Filed: November 9, 2020
    Publication date: November 17, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Shoji TANIZAWA, Yutaka AKATANI
  • Publication number: 20220349337
    Abstract: An auxiliary chamber type internal combustion engine includes a main chamber, an auxiliary chamber, a plurality of connecting passages connecting the main chamber with the auxiliary chamber, and an ignition plug configured to ignite a mixture introduced into the auxiliary chamber. The plurality of connecting passages include a first connecting passage having a first injection port and a second connecting passage having a second injection port. A flame generated in the auxiliary chamber is injected into the main chamber through the first and second injection ports. The first injection port is configured such that the flame propagates along a ridge line at which the plurality of inclined surfaces of the cylinder head intersect. The second connecting passage extends in a direction oriented to the piston with respect to the first connecting passage when viewed from a direction perpendicular to the cylinder axial direction.
    Type: Application
    Filed: March 18, 2020
    Publication date: November 3, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Yoshiya INOUE, Dai TANAKA, Takayuki SHIROTA, Issei NONAKA, Ryota ASAKURA
  • Patent number: 11472425
    Abstract: A display device for displaying at least one of outputs related to traveling of a hybrid vehicle includes a first area that indicates a first output in a first mode and indicates a second output in a second mode, a second area provided side by side with the first area and that indicates a third output in the second mode, and a third area provided in a position adjacent to the second area, and that indicates a range of the first output where a possibility that the internal combustion engine starts is high. The first area has a first display portion that changes according to the first output in the first mode and the second output in the second mode. The second area has a second display portion that changes according to the third output in the second mode.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: October 18, 2022
    Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Jinichi Ohta, Takayuki Okuji, Yuichi Kamei
  • Publication number: 20220324315
    Abstract: A drive unit includes an internal combustion engine (21) disposed in an engine compartment (10), a first electric motor (31) and a second electric motor (33), and an inverter (27) disposed above an electromotive unit (23). The drive unit has: a first harness (41) that connects the inverter and the first electric motor; a second harness (42) that connects the inverter and the second electric motor; a step portion (51) formed so as to be recessed on one side or the other side, in the left-right direction, of the upper end of the inverter; and an AC terminal block (55) disposed in the step portion. The first harness and the second harness respectively extend downward from the DC terminal block while extending outward, and are respectively connected to upper parts of the first electric motor and the second electric motor.
    Type: Application
    Filed: November 9, 2020
    Publication date: October 13, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Shoji TANIZAWA, Shinsuke HORIBE, Masaharu YAMAGISHI, Chika TAKABA, Toshihiko ANDO, Kohei HIGASHITANI, Kenji UMEMURA
  • Publication number: 20220324313
    Abstract: A total of four anchor points (5fl, 5fr, 5rl, and 5rr) are provided at front positions and rear positions of a left side member and a right side member (31 and 3r) provided on a floor (2). A drive motor (9), an inverter (10), and a transaxle (11), which serve as a drive unit (8), are mounted on the rear suspension cross member (4) supportively suspended from the respective anchor points. A junction box (21), a charger (22), and a DC-AC inverter (23), which serve as a power supply unit (20), are attached to the upper side of the floor (2). The junction box (21) relays electric power to supply it to the inverter (10). On the upper surface of the floor (2), an upper front floor cross member (16) is provided between the anchor points at the front position, and an upper rear floor cross member (17) is provided between the anchor points at the rear position. The power supply unit (20) is disposed between the members (16, 17).
    Type: Application
    Filed: November 9, 2020
    Publication date: October 13, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventor: Shoji TANIZAWA
  • Publication number: 20220316429
    Abstract: A control unit diagnoses a failure of a fuel storage unit that seals a fuel tank and a processing unit that processes fuel evaporative gas in the fuel tank. A first pressure detection unit of the fuel storage unit detects the pressure of the fuel tank. A second pressure detection unit of the fuel storage unit is disposed at a position different from the first pressure detection unit, and detects the pressure of the fuel tank. The control unit specifies a failure portion of the fuel storage unit and the processing unit based on a change in either one or both of a first pressure value detected by the first pressure detection unit and a second pressure value detected by the second pressure detection unit when the pressure of the fuel tank is changed.
    Type: Application
    Filed: July 29, 2020
    Publication date: October 6, 2022
    Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Kyosuke UEMATSU, Takuya OHSHIMA, Hideo MATSUNAGA, Atsushi WAKAMATSU, Takahiro TSUTSUI
  • Publication number: 20220290749
    Abstract: A vehicle drive device is provided that can suppress the increase in dimension in the radial direction while ensuring a sufficient speed reduction ratio. Two driving force sources are arranged on a first axis, two output members are arranged on a second axis, two counter gear mechanisms are arranged on a third axis. A planetary gear mechanism is configured to transmit rotation from the two counter gear mechanisms to the output members, and is disposed so as to overlap with both of the two counter gear mechanisms as seen in an axial direction along and axial direction.
    Type: Application
    Filed: August 28, 2020
    Publication date: September 15, 2022
    Applicants: AISIN CORPORATION, MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Toshihisa MIZUTANI, Kenta KATAOKA, Taiki OWARI, Hiroaki OSANAI, Daiki SUYAMA, Hiroshi KATO, Yuki YANAGIHARA, Naoki TAKAHASHI, Kiminobu TERAO, Takuya OGASAWARA, Yosuke MORIMOTO