Patents Assigned to Aisin Aw Co., Ltd.
  • Publication number: 20200220489
    Abstract: An amplitude of current ripples on a primary side of a power supply device that uses a plurality of transformers is reduced. A driving power supply device (7) that supplies electric power to a plurality of drive circuits (2) that individually drive switching elements (3) of an inverter (10) includes a plurality of transformers (L) having secondary-side coils (Ls) which are individually connected to the respective corresponding drive circuits (2); a plurality of transformer driving units (5) each including a driving switching element (M) that controls supply of electric power to a primary-side coil (Lp); and a power supply control device (6) that provides transformer drive signals (MG) for driving the transformer driving units (5). The power supply control device (6) drives the transformer driving units (5) by transformer drive signals (MG) having different phases.
    Type: Application
    Filed: September 20, 2018
    Publication date: July 9, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Yasushi NAKAMURA, Keita MUTSUURA, Yoshinobu ITO, Shota SEKIGUCHI
  • Publication number: 20200220479
    Abstract: An inverter control device that controls an inverter connected to a direct-current power supply and connected to an alternating-current rotating electrical machine to convert electric power between direct current and alternating current of a plurality of phases, the inverter control device including an electronic control unit that is configured to perform, in a state in which one switching element of a plurality of switching elements included in the inverter has a turn-off failure in which the switching element always goes into an off state, torque reduction control for reducing torque of the rotating electrical machine or deceleration control for outputting torque in a reverse direction from a rotation direction of the rotating electrical machine by performing switching control of the plurality of switching elements.
    Type: Application
    Filed: September 28, 2018
    Publication date: July 9, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Masashi MIYAZAKI, Subrata SAHA, Isao FUJIWARA, Yuki SUGIYAMA
  • Publication number: 20200220417
    Abstract: A stator wherein the lead wire portion includes a root portion connected to the slot housed portion, disposed in a same-phase region which overlaps the coil end portion of the coil of a same phase as seen in the center axis direction, and disposed on an axially inner side with respect to the coil end portion, and a draw-out portion that projects in the center axis direction from a power source portion-side end portion of the root portion toward an axially outer side with respect to the coil end portion in the same-phase region.
    Type: Application
    Filed: September 19, 2018
    Publication date: July 9, 2020
    Applicants: AISIN AW CO., LTD., HAYASHIKOGYOSYO CO., LTD.
    Inventors: Toru KUROYANAGI, Takahiko HOBO, Hiroo HAYASHI, Ko KAJITA
  • Publication number: 20200217395
    Abstract: An intermediate member is configured to include first and second intermediate members. Connecting portions that respectively extend outward from the first or the second intermediate plates are coupled with each other at two positions on the same circumference as pinion gears by two rivets (total six rivets at three connecting portions) as viewed in a central axis of the damper device. Such an arrangement enables spaces between the pinion gears to be used effectively, increases spaces for the first spring, the second spring and the inner spring and improves a vibration damping performance a damper device.
    Type: Application
    Filed: March 18, 2020
    Publication date: July 9, 2020
    Applicants: AISIN AW INDUSTRIES CO., LTD., AISIN AW CO., LTD.
    Inventors: Takuya YOSHIKAWA, Aki OGAWA, Akiyoshi KATO, Ryosuke OTSUKA, Kazuyoshi ITO, Masaki WAJIMA, Kazuhiro ITOU
  • Publication number: 20200220437
    Abstract: A manufacturing method of a core for a rotary electric machine including forming a bridge portion, forming a stator side hole portion in at least a first portion of a portion of an electric steel plate in which a slot portion is formed. Then forming a rotor side hole portion in at least a part of a portion of the electric steel plate in which a hole portion is formed; and forming a rotor plate member and a stator plate member by blanking the electric steel plate.
    Type: Application
    Filed: September 28, 2018
    Publication date: July 9, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Masayuki MAKI, Tetsuya MATSUBARA
  • Publication number: 20200220438
    Abstract: A stator assembly method of assembling a stator that includes a stator core that includes a slot that has an opening that opens on one side in a radial direction, a coil that includes a slot-housed portion housed in the slot, and insulation disposed between the slot and the slot-housed portion, the method including disposing the insulation in the slot; opening a portion of the insulation on the one side in the radial direction by inserting a first guide jig into the insulation, which is disposed in the slot, along a center axis direction of the stator core, after disposing the insulation; and inserting the slot-housed portion into the slot via the opening by moving the coil and the first guide jig together toward the other side in the radial direction with respect to the stator core, after opening the portion of the insulation.
    Type: Application
    Filed: August 9, 2018
    Publication date: July 9, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Mitsuhiro IDE, Hiromasa SUZUKI
  • Publication number: 20200215920
    Abstract: A vehicle drive device that includes a rotating electrical machine that serves as a drive power source for a first wheel and a second wheel; a differential gear device that distributes drive power from the rotating electrical machine to the first wheel and the second wheel; a reduction device that includes a planetary gear mechanism with a sun gear, a carrier, and a ring gear; and a case that accommodates the rotating electrical machine, the differential gear device, and the reduction device.
    Type: Application
    Filed: August 24, 2018
    Publication date: July 9, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA, Yuki KAWAGUCHI, Koji OTA, Kazuyuki SASAKI, Isao FUJISHIMA
  • Patent number: 10703362
    Abstract: Autonomous driving assistance systems, methods, and programs acquire a planned travel route along which a host vehicle plans to travel and acquire map information including lane information about a road that is included in the planned travel route. The systems, methods, and programs acquire, from outside the host vehicle, obstacle information that includes a location of an obstacle on the road and that has been acquired by another vehicle that travels along the planned travel route ahead of the host vehicle, and generate, as assistance information that is used to perform autonomous driving assistance in the host vehicle that travels along the planned travel route, a travel trajectory candidate for the host vehicle based on the obstacle information and the lane information about the planned travel route.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: July 7, 2020
    Assignee: AISIN AW CO., LTD.
    Inventor: Masao Maura
  • Patent number: 10707159
    Abstract: Provided is a semiconductor device having a surface layer power supply path in a surface layer wiring layer, on which a chip module is mounted, of a main substrate that has a plurality of wiring layers and through holes, the surface layer power supply path supplying power to a semiconductor chip via an inner peripheral-side power supply terminal group and an outer peripheral-side power supply terminal group. The surface layer power supply path overlaps the inner peripheral-side power supply terminal group and the outer peripheral-side power supply terminal group as seen in the orthogonal direction, and is formed continuously so as to extend in a direction from a position at which the surface layer power supply path is connected to the inner peripheral-side power supply terminal group toward the outer peripheral side of the main substrate.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: July 7, 2020
    Assignee: AISIN AW CO., LTD.
    Inventor: Takanobu Naruse
  • Publication number: 20200209007
    Abstract: A lane guidance system is provided and includes a proposed travel route acquisition unit that acquires a proposed travel route of a vehicle; a successive intersection determination unit that determines whether a distance between a first intersection that is a guidance intersection on the proposed travel route and a second intersection that is a guidance intersection immediately after the first intersection is within a prescribed distance; and a lane guidance unit. Before arriving at the first intersection, the lane guidance unit selects and proposes, as a recommended lane from the travelable lane, a lane that the vehicle needs to travel along when entering the first intersection, to travel along, after exiting from the first intersection, a lane that the vehicle needs to travel along when entering the second intersection to exit in a specific exiting direction of the second intersection.
    Type: Application
    Filed: October 29, 2018
    Publication date: July 2, 2020
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kenji SASAKI, Xin JIN
  • Publication number: 20200212735
    Abstract: A method of manufacturing a rotor including a rotor core and a permanent magnet that is bonded to the rotor core with an adhesive containing a foaming agent, wherein applying the adhesive includes applying the adhesive such that the adhesive is spread to a portion on a front side with respect to the application area on the application surface, by moving the nozzle to a front side in the nozzle traveling direction with respect to a position in the application area at which feeding of the adhesive by the pump is finished.
    Type: Application
    Filed: September 28, 2018
    Publication date: July 2, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Motoki KORI, Tetsuya MATSUBARA, Yosuke MIYAZAKI, Taisuke NAKAMURA
  • Patent number: 10697533
    Abstract: A power transmission system includes a first case, a second case, a first tube, and a shaft. The first tube is configured to supply a lubricating oil to a first bearing and a second bearing. A shaft is rotatably supported by the first bearing and the second bearing. The shaft is provided with a through-hole extending through the shaft in an axial direction of the shaft. The first tube is insertedly fixed to an insertion hole of the first case from an outside of a space where the shaft is disposed. The first tube includes a first opening and a second opening, the first opening is configured to supply the lubricating oil to the first bearing, and the second opening is configured to supply the lubricating oil to the second bearing via the through-hole of the shaft.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: June 30, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Kozo Yamamoto, Hideki Nakagawa, Hirofumi Nakada, Miki Natsume, Haruki Shirasaka
  • Publication number: 20200198616
    Abstract: A control apparatus for a vehicle provided, with a step-variable transmission, includes: a feedback control portion; an input torque resetting control portion; a target input torque setting portion operated upon an increase of the accelerator pedal operation amount in the process of the shift-down action in a power-off state of the vehicle, to restrict an amount of increase of the input torque target value with respect to an amount of increase of an operator-required input torque value, so as to keep the target value not larger than an upper limit value until termination of the input torque resetting control; and an actual input torque increasing portion operated upon the increase of the accelerator pedal operation amount prior to initiation of the inertia phase, to implement an input torque increasing control to control the input torque so as to be larger than the target value, prior to the inertia phase initiation.
    Type: Application
    Filed: December 18, 2019
    Publication date: June 25, 2020
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Aisin AW CO., Ltd.
    Inventors: Kenta KUMAZAKI, Tooru MATSUBARA, Daisuke SUYAMA, Mitsuru MAEDA, Tomoyasu KIMURA
  • Publication number: 20200204083
    Abstract: In an inverter module (10) including a plurality of switching elements (11), a positive-polarity bus bar (14), a negative-polarity bus bar (15), and a plurality of output bus bars (16, 17, and 18), the plurality of output bus bars (16, 17, and 18) are disposed in a first direction (D1) in which upper-stage-side switching elements (11U) and lower-stage-side switching elements (11L) are placed side by side, and the positive-polarity bus bar (14) and the negative-polarity bus bar (15) are disposed in a second direction (D2) intersecting the first direction (D1).
    Type: Application
    Filed: September 10, 2018
    Publication date: June 25, 2020
    Applicants: AISIN AW CO., LTD., AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yutaka HOTTA, Tomoyuki SUZUKI, Kaoru SHIMANO, Yasuhiro KUME, Takeshi IKEYAMA, Toshiyuki FUKUHARA
  • Publication number: 20200191600
    Abstract: Navigation systems and programs control a communication part that performs near-field communication with a user terminal and switch functions to be performed by the user terminal, through near-field communication by the communication part, based on displayed content on a display part that displays at least a navigation screen.
    Type: Application
    Filed: January 29, 2018
    Publication date: June 18, 2020
    Applicant: AISIN AW CO., LTD.
    Inventor: Hikaru NAGASAKA
  • Publication number: 20200186015
    Abstract: A manufacturing method of a core for a rotary electric machine includes: a step of forming a stator side release hole in at least a first portion of a portion of an electric steel plate in which a slot portion is formed; a step of forming a rotor side hole portion in at least a part of a portion of the electric steel plate in which a hole portion is formed; a step of forming a flattened portion; and a step of forming a rotor plate member and a stator plate member by blanking the electric steel plate.
    Type: Application
    Filed: September 28, 2018
    Publication date: June 11, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Masayuki MAKI, Tetsuya MATSUBARA
  • Publication number: 20200187370
    Abstract: A circuit board is installed with a semiconductor module on an upper face and provided with connection terminals on a lower face. A connection pin is provided on at least some of the connection terminals. The connection terminals include a drive terminal for driving the semiconductor module and a function terminal for connecting the semiconductor module and other function units. The disposition of the drive terminal in each of divided areas is point-symmetric with respect to a center of the circuit board. The divided areas divide the circuit board into fourths.
    Type: Application
    Filed: September 21, 2018
    Publication date: June 11, 2020
    Applicant: AISIN AW CO., LTD.
    Inventor: Takanobu NARUSE
  • Patent number: 10676091
    Abstract: A control apparatus for a vehicle includes a vehicle driving control portion configured to permit reverse driving of the vehicle in a reverse direction while the automatic transmission is placed in a forward-drive low-speed gear position, with the motor/generator being operated in a negative direction to generate a negative torque, and a transmission shifting control portion configured to implement a control for promotion to establish the forward-drive low-speed gear position, when switching from forward driving of the vehicle to its reverse driving of the vehicle is required in the process of a shifting action of the automatic transmission to the forward-drive low-speed gear position. The transmission shifting control portion implements the control for promotion to establish the forward-drive low-speed gear position, according to a state of control of the engaging-side coupling device to be brought into its engaged state for establishing the forward-drive low-speed gear position.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: June 9, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Hisashi Ishihara, Takahiro Kimura, Masato Yoshikawa, Nobufusa Kobayashi, Kenta Kumazaki, Kazuomi Okasaka, Atsushi Kayukawa, Daisuke Suyama, Mitsuru Maeda
  • Patent number: 10677313
    Abstract: A rotary inertia mass damper of a damper device is configured to include a planetary gear that includes a driven member with outer teeth, first and second input plate member as a carrier which rotatably supports a plurality of pinion gears, and a ring gear that meshes with the plurality of pinion gears and works as the mass body. The outer teeth of the driven member are arranged to be disposed outside first and second springs in a radial direction of the damper device. The driven member, the plurality of pinion gears and the ring gear are arranged to at least partially overlap with the first and second springs as viewed in the radial direction. A motion of the ring gear in the axial direction is restricted by the plurality of pinion gears.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: June 9, 2020
    Assignees: AISIN AW INDUSTRIES CO., LTD., AISIN AW CO., LTD.
    Inventors: Takuya Yoshikawa, Aki Ogawa, Akiyoshi Kato, Ryosuke Otsuka, Yoshihiro Inoue, Yoshihiro Takikawa, Hiroki Nagai, Masaki Wajima, Takao Sakamoto, Kazuhiro Itou
  • Publication number: 20200173524
    Abstract: A continuously variable transmission includes: a first pulley having a first fixed sheave and a first movable sheave; a first cylinder forming a first oil chamber with the first movable sheave; a second pulley having a second fixed sheave and a second movable sheave; a second cylinder forming a second oil chamber with the second movable sheave; and a transmission belt wound around the first pulley and the second pulley. The first cylinder has a first member that is fixed to a first shaft and a second member that is joined to an outer peripheral portion of the first member. A bearing is interposed between an outer periphery of the first member and an inner periphery of a case. A thickness, in an axial direction, of a portion of the first member that is configured to directly abut against the first movable sheave is larger than a thickness of the second member.
    Type: Application
    Filed: August 28, 2018
    Publication date: June 4, 2020
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazumichi TSUKUDA, Kenta YAMADA, Kosuke KIKUCHI, Jun HAKAMAGI, Norikazu AKAMATSU, Shinya KUWABARA