Patents Assigned to Aisin Aw Co., Ltd.
  • Patent number: 10998786
    Abstract: A stator that includes an annular stator core having a plurality of slots each having a coil insertion opening that opens in a radial direction, and recesses formed in circumferential side walls and extending in an axial direction; a coil including slot accommodated portions accommodated in the plurality of slots; and a wedge containing a thermoplastic resin and engaged with the recesses so as to close at least a part of the coil insertion opening as viewed in the radial direction of the stator core.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 4, 2021
    Assignees: AISIN AW CO., LTD., HAYASHIKOGYOSYO CO., LTD.
    Inventors: Toru Kuroyanagi, Ko Kajita, Takahiko Hobo
  • Patent number: 10989271
    Abstract: A drive member of a damper device includes a first input plate member and a second input plate member that rotatably support a plurality of pinion gears of a planetary gear of a rotary inertia mass damper. A driven member includes an outer teeth gear portion that meshes with the pinion gear in an outer circumferential portion thereof and is disposed between the first and the second input plate members in an axial direction so as to work as a sun gear of the planetary gear. A stopper is configured to restrict the relative rotation between the drive member and the driven member and includes a contact portion arranged in the outer circumferential portion of the driven member so as to contact with the first input plate member.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: April 27, 2021
    Assignees: AISIN AW INDUSTRIES CO., LTD, AISIN AW CO., LTD.
    Inventors: Takuya Yoshikawa, Aki Ogawa, Yoshihiro Yoshida, Akiyoshi Kato, Ryosuke Otsuka, Kazuyoshi Ito, Masaki Wajima
  • Publication number: 20210114467
    Abstract: A vehicle driving device including: a rotary electric machine that is a driving force source of a first wheel and a second wheel; a speed reduction device that reduces a speed of a rotation of the rotary electric machine; and a differential gear device that distributes to the first wheel and the second wheel, a driving force that is transmitted from the rotary electric machine via the speed reduction device.
    Type: Application
    Filed: October 12, 2018
    Publication date: April 22, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA, Yuki KAWAGUCHI
  • Publication number: 20210116001
    Abstract: A continuously variable transmission includes a transmission belt including a plurality of elements each including a pair of pillar portions and a ring arranged between the pair of pillar portions of each of the plurality of elements, and a lubricant supply portion arranged on an inner side of the transmission belt in a radial direction. Each of the plurality of elements further includes a pair of rocking edge portions formed away from each other in a width direction, and a non-contact portion extending between the pair of rocking edge portions in the width direction along a saddle surface. A clearance that communicates the non-contact portion and a region on an inner side in the radial direction with respect to the transmission belt is formed between the elements included in a looped portion of the transmission belt around a first or second pulley.
    Type: Application
    Filed: May 14, 2018
    Publication date: April 22, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Wataru ISHIHARA, Akira OCHI, Takayuki MIYAKE, Junichi TOKUNAGA
  • Patent number: 10978983
    Abstract: A rotary electric machine control device that performs drive control on an AC rotary electric machine using an inverter that converts power between DC power and AC power through pulse width modulation based on a carrier frequency, the rotary electric machine control device including: an electronic control unit that is configured to vary the carrier frequency such that the carrier frequency becomes higher as a rotational speed of the rotary electric machine becomes higher so that carrier sideband frequencies, which are frequencies of sideband waves that appear on higher and lower sides of a center frequency that is set in accordance with the carrier frequency, are not included in a frequency band prescribed in advance.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: April 13, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Masayuki Takenaka, Takuro Iwase, Akiya Kume, Shoji Nagata, Yasuyuki Sato
  • Patent number: 10976177
    Abstract: There is provided a technique for reducing the possibility that a user loses track of how a road, etc., grasped by him/her have been changed on a map. A navigation system includes: a map display part that displays a map on a display in any of a plurality of display modes, the map including a current location; a moving image display part that displays, when the display mode changes, a moving image in which the map is rotated and the display mode before being changed gradually changes to a changed display mode, on the display; and a speed-of-change control part that increases a speed of change in the display mode after start of the change in the display mode.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: April 13, 2021
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazuya Ueda, Kazunori Watanabe
  • Patent number: 10968977
    Abstract: A torsional vibration damper whose vibration damping performance will not be reduced in a high speed range. In the torsional vibration damper, a planetary gear is oscillated within a first oscillating range when a torsional torque is smaller than a reference torque, and within a second oscillating range when the torsional torque is greater than the reference torque. Each backlash between the pinion gear and at least one of a sun gear and a ring gear within the second oscillating range is individually wider than each backlash between the pinion gear and the sun gear and each backlash between the pinion gear and the ring gear within the first oscillating range.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: April 6, 2021
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD., AISIN AW INDUSTRIES CO., LTD.
    Inventors: Masayuki Ishibashi, Hideyuki Nishida, Isamu Hachisuwa, Yoichi Oi, Takuya Yoshikawa, Ryosuke Otsuka, Katsunori Tanaka, Tomoyuki Hiramoto
  • Publication number: 20210095690
    Abstract: A vehicle driving apparatus including: a fluid pump; a rotary member; a bearing supporting the rotary member; a pump cover covering the fluid pump; a relief valve; and a casing storing the fluid pump, the rotary member, the bearing, the pump cover and the relief valve. The casing includes a casing body and a casing cover. The casing cover defines a fluid passage that is in communication with an outlet port of the fluid pump, and includes cylindrical-shaped first and second boss portions. The first boss portion includes a supporting portion supporting the rotary member through the bearing which is fitted in a space radially inside the first boss portion. The second boss portion defines a valve room that is in communication with the fluid passage, with the relief valve being stored in the valve room.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 1, 2021
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Chunyang SUN, Wataru MATSUMOTO, Tomonori UCHIDA, Fumiaki SHIGEMATSU, Satoshi MIYANAGA
  • Publication number: 20210095665
    Abstract: A vane pump that includes a first communication passage that extends along an outer periphery of the cam ring and that guides a fluid that has not flowed into the first suction port from the first inflow passage to the second suction port; a second communication passage that extends along the outer periphery of the cam ring on an opposite side of the first communication passage with respect to the rotor and that guides a fluid that has not flowed into the second suction port from the second inflow passage to the first suction port; and a rectifying portion that guides the fluid from the second inflow passage so that the fluid flows into the second suction port along the outer periphery of the cam ring.
    Type: Application
    Filed: September 18, 2020
    Publication date: April 1, 2021
    Applicants: AISIN AW CO., LTD., JTEKT CORPORATION
    Inventors: Takahiro TORII, Kazuki KOJIMA, Naohito YOSHIDA, Tsuyoshi EBIHARA
  • Publication number: 20210088125
    Abstract: A planetary carrier includes a plurality of pinion gears, a plurality of pinion shafts that are each inserted in the corresponding pinion gear, a first supporting plate that supports one end of each of the pinion shafts, a second supporting plate that supports the other end of each of the pinion shafts, and a plurality of bridge plates, one end of each of which is joined to the first supporting plate via a welding portion and the other end of each of which is joined to the second supporting plate via a welding portion and which connects the first and second supporting plates.
    Type: Application
    Filed: September 5, 2018
    Publication date: March 25, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Takashi IWAMA, Takaaki KAWASHIMA, Junya ABE, Yuuji ESAKI
  • Publication number: 20210091629
    Abstract: When a case of a rotary electric machine has an inner case member that houses a stator and an outer case member that houses the inner case member, a vibration that is transmitted from stator to the outer case member via inner case member is suppressed. The inner case portion is provided with a first tubular portion and a first protruding portion that protrudes toward a radial inner side from the first tubular portion on an axial first side. The outer case portion is provided with a second tubular portion and a second protruding portion that protrudes toward the radial inner side from the second tubular portion on the axial first side with respect to the first protruding portion. A coolant flow path is formed between the first tubular portion and the second tubular portion, and the first protruding portion and the second protruding portion are fixed to each other.
    Type: Application
    Filed: June 5, 2019
    Publication date: March 25, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Takuro IWASE, Masaomi ASANO, Daisuke YAMAOKA, Takeshi TORII, Hiroaki SANJI, Jun SUZUKI, Isao FUJISHIMA, Keisuke NAKASHIMA
  • Patent number: 10955046
    Abstract: A control device that includes an electronic control unit that is configured to perform, when specific control that causes a change in a state of a hydraulic circuit in the hydraulic control device that involves an increase in hydraulic pressure at the discharge port is performed in a state in which a rotational speed of the electric motor is a first rotational speed, torque increase control that controls drive of the electric motor such that torque of the electric motor starts to increase before hydraulic pressure at the discharge port increases by the specific control.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: March 23, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Keisuke Nishimura, Yoichi Tajima, Kazuomi Okasaka
  • Patent number: 10958122
    Abstract: A rotating electrical machine that includes a rotor core having a permanent magnet placed therein; a stator core placed so as to face the rotor core in a radial direction and including a plurality of teeth and a plurality of slots each located between adjacent ones of the teeth; and a plurality of coils placed in the slots of the stator core.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 23, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Junichi Yokota, Takahiro Odagi
  • Publication number: 20210079993
    Abstract: A first abutting surface, a first welding surface, a first facing surface are formed in a differential case. A second abutting surface, a second welding surface, and a second facing surface are formed in a differential ring gear. In an installing step, the first abutting surface and the second abutting surface are inserted, positions of the differential case and the differential ring gear are determined in an axial direction, a separation portion that spaces the first welding surface and the second welding surface away from each other and that has a non-linear portion is formed, and a void is formed between the first facing surface and the second facing surface. In a welding step, a laser is irradiated to the separation portion and the first welding surface and the second welding surface are welded.
    Type: Application
    Filed: August 15, 2018
    Publication date: March 18, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Hiroyuki ONO, Yusuke SUZUKI
  • Patent number: 10951151
    Abstract: A drive device that includes a rotating-field rotary electric machine; and an inverter that drives the rotary electric machine, wherein: the rotary electric machine includes a stator core, and a coil wound on the stator core; the coil includes a first coil and a second coil electrically insulated from each other; and the inverter includes a first inverter circuit that supplies AC power to the first coil, and a second inverter circuit that supplies AC power to the second coil.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: March 16, 2021
    Assignee: AISIN AW CO., LTD.
    Inventor: Shintaro Chinen
  • Publication number: 20210073726
    Abstract: Configured is a delivery support system including: an available space detection unit that detects an available space that is a space in which a package can be loaded based on an output signal of a package sensor that is attached to a package compartment provided in a delivery vehicle and that detects a three-dimensional region in which there is a package loaded in the package compartment; a determination unit that determines whether a package to be added can be loaded in the available space based on dimensions of the package to be added; and an output unit that outputs a determination result of whether a package can be loaded.
    Type: Application
    Filed: August 14, 2020
    Publication date: March 11, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Kazuhiro OKODO, Yoichi YAMAMURA, Toshiyuki SEKI, Toyohide TSUBOI
  • Publication number: 20210074617
    Abstract: A connection terminal unit that can be appropriately connected to terminal connection portions of a semiconductor module including a semiconductor element and that can reduce a projection area when seen in a direction orthogonal to a direction along a chip surface is realized. Connection terminal unit includes plurality of connection terminals facing and connected to plurality of terminal connection portions of semiconductor module, and terminal mold portion holding connection terminals. Terminal mold portion has abutment portion that abuts against semiconductor module or base material holding semiconductor module. Abutment portion has vertical abutment portion that abuts against semiconductor module or base material from vertical direction that is a direction in which connection terminals face terminal connection portions, and side abutment portion that abuts against semiconductor module or base material from at least two directions that are different from each other and intersect with vertical direction.
    Type: Application
    Filed: January 16, 2019
    Publication date: March 11, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Yutaka HOTTA, Shinya OSUKA, Yasuhiro KUME
  • Publication number: 20210071726
    Abstract: A friction plate (11) includes a plate (1A) with a disc shape and a friction material (F1, F2) that is fixed to aside face (1a) of the plate (1A). The friction material (F1, F2) is disposed so that one or both of an inner peripheral side and an outer peripheral side is nonuniform in an inner and outer peripheral direction with respect to a circumferential direction around a center (CT1) of the plate (1A). Thus, there is an increase in the amount of lubrication oil that is fed to a surface of friction material segments (F1, F2) and there is an increase in a separation force in an axial direction between a friction plate (11) and a separator plate or an end plate.
    Type: Application
    Filed: May 23, 2018
    Publication date: March 11, 2021
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masaki YOSHIDA, Tomoo ATARASHI, Junji MATSUSHITA, Takuya KOMATSU, Yusuke TAKATSUKA, Kuniyoshi TAKEDA, Kenichi KIZAWA, Yusuke KOJIMA, Keita IMAI, Koichi OKUDA, Atsushi TABATA, Koji HAYASHI, Kazuyuki SHIIBA, Hiromichi KIMURA
  • Publication number: 20210070158
    Abstract: A vehicle driving device including: a rotary electric machine that is a driving force source of a first wheel and a second wheel; a speed reduction device that reduces a speed of a rotation of the rotary electric machine; and a differential gear device that distributes to the first wheel and the second wheel, a driving force that is transmitted from the rotary electric machine via the speed reduction device.
    Type: Application
    Filed: October 12, 2018
    Publication date: March 11, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA
  • Publication number: 20210063185
    Abstract: A guide object for proposing a guide target point is displayed when there is a guide target point that is to be proposed, ahead of a vehicle in a traveling direction. In contrast, when displaying the guide object, the guide object is displayed in a form in which an occupant visually recognizes the guide object with a relative position of the guide object with respect to the vehicle fixed, when a distance from the vehicle to the guide target point is equal to or more than a threshold. Further, the guide object is displayed in a form in which the occupant visually recognizes the guide object as being superimposed with a relative position of the guide object with respect to the guide target point fixed, when the distance from the vehicle to the guide target point is less than the threshold.
    Type: Application
    Filed: August 14, 2020
    Publication date: March 4, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Takashi KAWAI, Toshinori TAKEUCHI, Kenji WATANABE, Hiroyuki MIYAKE