Patents Assigned to Mitsubishi Jidosha Kogyo Kabushiki Kaisha
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Publication number: 20240174294Abstract: An inverter mounting structure for a vehicle includes left and right front side members defining an engine room in which a drive unit is mounted, a bumper beam connecting front portions of the left and right front side members, a dash panel connecting the left and right front side members, an upper bar disposed above the bumper beam, a brake booster attached to the dash panel in the engine room, and an inverter disposed in the engine room and configured to transmit and receive electric power to and from a motor constituting the drive unit. The inverter includes a front portion connected to the upper bar and a rear portion connected to one of the left and right front side members via a bracket, and is disposed in an oblique posture in which the rear portion is positioned higher than the front portion.Type: ApplicationFiled: October 8, 2021Publication date: May 30, 2024Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Shoji TANIZAWA, Shinsuke HORIBE
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Publication number: 20240175488Abstract: A first transmission system includes at least one gear disposed on a second axis, the at least one gear including a first outer gear disposed on an outermost side in a radial direction, and a second transmission system includes at least one gear disposed on the second axis, the at least one gear including a second outer gear disposed on an outermost side in the radial direction. The first outer gear and the second outer gear are spaced apart from each other in an axial direction. An oil cooler is disposed between the first outer gear and the second outer gear in the axial direction in such a manner as to overlap at least either the first outer gear or the second outer gear as viewed in the axial direction.Type: ApplicationFiled: March 28, 2022Publication date: May 30, 2024Applicants: AISIN CORPORATION, MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Yuki YANAGIHARA, Ryotaro NAKASHIMA, Takeshi TEZUKA, Naoki TAKAHASHI, Kiminobu TERAO, Takuya OGASAWARA, Yosuke MORIMOTO
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Publication number: 20240166273Abstract: A vehicle body structure of a cab-over type vehicle includes: a floor cross member extending in a vehicle width direction along a lower surface of a floor panel of a cab body and including a pair of mount portions to which mounts are attached on both sides in the vehicle width direction; and a gusset extending in a vehicle front-rear direction between the pair of mount portions below the floor panel, including one end portion joined to the lower surface of the floor panel and the other end portion joined to a lower surface of the floor cross member, and linearly connecting the lower surface of the floor panel and the lower surface of the floor cross member.Type: ApplicationFiled: March 8, 2022Publication date: May 23, 2024Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Motoshi ITO, Yorito TAKEMOTO, Isahiro IMAMURA, Shoji MASUDA, Hiroki YAMANISHI
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Publication number: 20240157931Abstract: A travel control device for a hybrid vehicle includes: an acceleration control part for controlling a traveling motor generator or an engine based on a depression amount of an accelerator pedal, and a regenerative control part for controlling the traveling motor generator with a regenerative control intensity set by an operation part. The acceleration control part includes: an EV priority control portion for prioritizing EV traveling over engine traveling. The regenerative control part includes: a restriction portion for restricting or prohibiting regenerative braking; and a forced regeneration portion for performing regenerative braking on a driving wheel and rotationally driving a power generation motor generator by electricity generated in the traveling motor generator to rotationally drive an engine, if the regenerative braking intensity is increased by the operation part in a state where the restriction portion restricts or prohibits the regenerative braking.Type: ApplicationFiled: October 8, 2021Publication date: May 16, 2024Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Manabu HASEGAWA, Takahiro OGUMA
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Patent number: 11981321Abstract: A vehicle (10) has mounted therein an engine (2), a first rotating electric machine (3), and a second rotating electric machine (4). The power of the engine (2) and the power of the first rotating electric machine (3) are separately transmitted from different power transmission paths (41, 42) to drive wheels (5). The power of the engine (2) is also transmitted to the second rotating electric machine (4) and utilized to generate electrical power. The vehicle (10) is provided with a connecting/disconnecting mechanism (8) on the power transmission path (42) that transmits the power of the first rotating electric machine (3) to the drive wheels (5).Type: GrantFiled: November 7, 2019Date of Patent: May 14, 2024Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Hironori Abe, Kazunori Handa, Daizo Ogino, Hitoshi Takeuchi
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Publication number: 20240151190Abstract: A control device for controlling an engine includes main-chamber injecting means (1,3) that supplies a main chamber (8) with fuel; sub-chamber injecting means (2) that supplies a sub chamber (5) with fuel after the main chamber injecting means (1,3) supplies the fuel; estimating means (21) that estimates a degree of knocking serving as indices of an intensity of the knocking and an occurrence frequency of the knocking; and fuel controlling means (22) that carries out, when the degree (N) of the knocking is a first predetermined value (N1) or more, fuel control that reduces a sub-chamber fuel amount representing an amount of fuel supplied by the sub-chamber injecting means (2). By reducing the sub-chamber fuel amount in this manner, the occurrence of knocking can be suppressed, so that the combustion state of a divided-combustion-chamber engine can be enhanced.Type: ApplicationFiled: March 29, 2021Publication date: May 9, 2024Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Yoshiya INOUE, Ryota ASAKURA, Ryota NAKADA, Takayuki SHIROTA, Sho IIZUKA, Kazuo KURATA
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Patent number: 11976621Abstract: A start control device for a hybrid vehicle includes a battery, first and second rotary electric machines, an engine, a first determination unit configured to determine whether the battery is in a low output state, a cranking control unit configured to perform a cracking of the engine, and a second determination unit configured to perform a cranking completion determination. In a case where a maximum output of the battery is in the low output state, the cranking control unit causes the first rotary electric machine to run at a low output target rotation speed, and the second determination unit determines that the cranking is completed when a condition that an actual rotation speed of the first rotary electric machine continues to be within a target range for a predetermined time is satisfied.Type: GrantFiled: September 25, 2020Date of Patent: May 7, 2024Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Sosuke Nambu, Norihiko Ikoma, Takanori Sugimoto
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Patent number: 11958470Abstract: A vehicle control device includes a motor, a transmission unit, a temperature sensor that detects a temperature of the motor, a vehicle speed sensor that detects a vehicle speed, and a controller. The controller controls switching of the transmission unit based on a first temperature determined in accordance with the vehicle speed as the temperature at which the transmission unit is switched from connection to disconnection, and a second temperature determined in accordance with the vehicle speed as the temperature at which the transmission unit is switched from the disconnection to the connection. The first temperature decreases as the vehicle speed increases. The controller switches the transmission unit from the connection to the disconnection based on the first temperature, and then switches the transmission unit from the disconnection to the connection based on the second temperature.Type: GrantFiled: December 10, 2019Date of Patent: April 16, 2024Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventor: Katsunori Yuge
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Publication number: 20240100961Abstract: This disclosure relates to a driving force adjusting device including a pair of electric motors (1) that drives left and right wheels (5) of a vehicle, a differential mechanism (3) that provides the left and right wheels (5) with a torque difference, and left and right drive shafts (4) that transmits driving force from the differential mechanism and to the left and right wheels (5), the driving force adjusting device having four elements and two degree of freedom. In this driving force adjusting device, inertia moments (JML,JMR) on paths from the pair of electric motors (1) to the left and right wheels (5) are set to values such that a resonance frequency (f) of the driving force adjusting device when the vehicle is turning comes to be larger than a yaw resonance frequency (fyaw) of the vehicle.Type: ApplicationFiled: September 27, 2021Publication date: March 28, 2024Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Yutaro OKAMURA, Ryota TAKAHASHI, Naoki TAKAHASHI
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Patent number: 11912133Abstract: 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: GrantFiled: November 9, 2020Date of Patent: February 27, 2024Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Shoji Tanizawa, Shinsuke Horibe, Masaharu Yamagishi, Chika Takaba, Toshihiko Ando, Kohei Higashitani, Kenji Umemura
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Patent number: 11878587Abstract: A display device 30 displays information of variables that reflect a state of a vehicle 10. The display device 10 includes: a first display region 31 that displays a scale of a first variable; a second display region 32 that is provided to be aligned with the first display region 31 and displays a scale of a second variable; a first pointing portion 42 that points, in the first display region 31, the first variable in accordance with the state of the vehicle 10; a first strip-shaped image 43 that is displayed between a pointed position of the first pointing portion 42 and a start point S1 of the first display region 31; a second pointing portion 52 that points, in the second display region 32, the second variable in accordance with the state of the vehicle 10; and a second strip-shaped image 53 that is displayed between a pointed position of the second pointing portion 52 and a start point S2 of the second display region.Type: GrantFiled: January 14, 2020Date of Patent: January 23, 2024Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Yuichi Kamei, Eiji Yamashita, Toyohito Hirano, Reoto Ueda, Jinichi Ohta, Takayuki Okuji
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Patent number: 11813940Abstract: A display device (40) that displays information of a plurality of variables that reflect a state of a vehicle, the display device (40) including: a first meter image (41) including a first scale displaying (42) part that displays a scale of a first variable included in the plurality of variables and an indicating part (43) that indicates the first variable that varies with the state of the vehicle and rotating the first scale displaying part (42) in accordance with variation of the first variable, fixing the position of the indicating part (43); and a second meter image (44) including a second scale displaying part (45) that displays a scale of a second variable included in the plurality of variables and a displaying part (46) that displays the second variable that varies with the state of the vehicle, wherein the first meter image (41) and the second meter image (44) are adjacent to each other.Type: GrantFiled: January 23, 2020Date of Patent: November 14, 2023Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Jinichi Ohta, Yuichi Kamei, Takayuki Okuji, Toyohito Hirano, Reoto Ueda, Akinori Kawasaki
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Publication number: 20230358306Abstract: A case for a vehicle drive device includes a first case part having a first support part, a second case part having a first part, and a third case part having a second part. The second case part is joined to the first case part on an axial-direction first side, the third case part is joined to the first case part on an axial-direction second side, a first rotating body and a first input member are placed between the first support part and the first part in an axial direction, in a supported state by the first support part and the first part, and a second rotating body and a second input member are placed between the first support part and the second part in the axial direction, in a supported state by the first support part and the second part.Type: ApplicationFiled: September 24, 2021Publication date: November 9, 2023Applicants: AISIN CORPORATION, MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Yuki YANAGIHARA, Takayoshi KATO, Isao FUJISHIMA, Naoki TAKAHASHI, Kiminobu TERAO, Takuya OGASAWARA, Yosuke MORIMOTO
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Patent number: 11807108Abstract: 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: GrantFiled: March 29, 2021Date of Patent: November 7, 2023Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Wataru Tanooka, Yutaro Okamura, Ryota Takahashi, Naoki Takahashi
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Patent number: 11802614Abstract: 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: GrantFiled: August 28, 2020Date of Patent: October 31, 2023Assignees: AISIN CORPORATION, MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Toshihisa Mizutani, Kenta Kataoka, Taiki Owari, Hiroaki Osanai, Daiki Suyama, Hiroshi Kato, Yuki Yanagihara, Naoki Takahashi, Kiminobu Terao, Takuya Ogasawara, Yosuke Morimoto
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Publication number: 20230339454Abstract: A vehicle control device for a hybrid vehicle includes: an engine and an electric motor; a transaxle including a power transmission path connecting the engine and the electric motor with a driving wheel; a temperature detection unit configured to detect a temperature of the transaxle; and a control unit configured to switch between a series operation mode in which the electric motor is driven for traveling by electric power generated by rotation of the engine and a parallel operation mode in which the engine and the electric motor are driven for traveling. When the temperature of the transaxle is equal to or higher than a first predetermined temperature, the control unit performs a first control of giving priority to the traveling in the parallel operation mode.Type: ApplicationFiled: May 26, 2022Publication date: October 26, 2023Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Akihiro SHIINO, Ryo SHIMIZU, Norihiko IKOMA
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Publication number: 20230322089Abstract: A control device (10) for a vehicle (1) equipped with two electric motors (2) includes: a first calculation unit (11) that calculates a required torque value of each of left and right axles (4L, 4R); a second calculation unit (12) that calculates an equivalent moment of inertia of each of the left and right axles (4L, 4R); a third calculation unit (13) that calculates an estimated angular acceleration of each of left and right wheels (5) based on the two required torque values calculated by the first calculation unit (11) and the two equivalent moments of inertia calculated by the second calculation unit (12); and a determination unit (14) that compares actual angular accelerations of the left and right wheels (5) with the estimated angular accelerations calculated by the third calculation unit (13) to perform off-ground determination for each of the left and right wheels (5).Type: ApplicationFiled: September 24, 2021Publication date: October 12, 2023Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Yutaro OKAMURA, Wataru TANOOKA, Ryota TAKAHASHI, Naoki TAKAHASHI
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Patent number: 11760204Abstract: 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: GrantFiled: March 29, 2021Date of Patent: September 19, 2023Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Naoki Miyamoto, Takanori Sugimoto, Norihiko Ikoma
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Publication number: 20230286390Abstract: A vehicle travel control device calculates torques required for a motor in a first regenerative control mode and a second regenerative control mode based on an accelerator opening degree and a vehicle speed, selects torque required for the motor suitable for the first regenerative control mode or the second regenerative control mode from among the calculated torques required for the motor, and limits a change rate of the torque required for the motor when the selected torque required for the motor changes beyond a predetermined change rate by switching from the first regenerative control mode to the second regenerative control mode.Type: ApplicationFiled: July 14, 2021Publication date: September 14, 2023Applicant: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Takeshi TOYODA, Toshifumi MIZUI
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Patent number: D1009899Type: GrantFiled: September 29, 2021Date of Patent: January 2, 2024Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Reoto Ueda, Yuichi Kamei