Patents Assigned to Aisin Aw Co., Ltd.
  • Patent number: 11027616
    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: Grant
    Filed: October 12, 2018
    Date of Patent: June 8, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka, Yuki Kawaguchi
  • Patent number: 11028906
    Abstract: A vehicle drive system including: a rotating electric machine; an output drivingly coupled to a wheel; a differential gear device provided in a power transmission path between the rotating electric machine and the output, the differential gear device including at least a first rotating element drivingly coupled to the rotating electric machine, a second rotating element drivingly coupled to the output, and a third rotating element that is selectively fixed by a one-way clutch to a non-rotating member and that is selectively fixed by a friction brake to the non-rotating member; and a clutch that selectively couples together two of the first rotating element, the second rotating element, and the third rotating element.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: June 8, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Takeshi Torii, Hiroshi Kato, Takuro Iwase, Keisuke Nakashima, Daisuke Yamaoka
  • Publication number: 20210167657
    Abstract: In this armature, a joint portion is insulated by a joint portion insulating member that has a sheet shape and that includes a facing surface insulating part that covers a facing surface of the joint portion and a circumferential surface insulating part that covers a circumferential surface of the joint portion. The facing surface insulating parts adjacent to each other in a radial direction are connected by the circumferential surface insulating part on one side or another side in the circumferential direction.
    Type: Application
    Filed: June 28, 2019
    Publication date: June 3, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Kiyotaka KOGA, Takahiro KOBUCHI
  • Publication number: 20210167674
    Abstract: This stator manufacturing method includes a step in which one of a skew-forming mechanism portion and a skew-forming jig presses, with the skew-forming jig, the skew-forming mechanism portion having a shape corresponding to the shape of a skew, to form a skew having a bent shape or a curved shape.
    Type: Application
    Filed: January 7, 2019
    Publication date: June 3, 2021
    Applicants: AISIN AW CO., LTD., AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Teppei TSUDA, Masafumi SAKUMA
  • Publication number: 20210167702
    Abstract: Two inverters provided at respective both ends of open-end windings are appropriately controlled. A rotating electrical machine control device (1) that can control a first inverter (11) and a second inverter (12) by a plurality of control schemes, respectively, the control schemes differing from each other in at least one of a switching pattern and a switching frequency and being independent of each other, has a control mode in which the first inverter (11) and the second inverter (12) are controlled by the same control scheme in a first speed region (VR1) in which the rotational speed of a rotating electrical machine (80), and the first inverter (11) and the second inverter (12) are controlled by different control schemes in a second speed region (VR2) in which the rotational speed of the rotating electrical machine (80) is higher than in the first speed region (VR1).
    Type: Application
    Filed: August 30, 2019
    Publication date: June 3, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Subrata SAHA, Isao FUJIWARA
  • Publication number: 20210167649
    Abstract: In this armature, facing surfaces which are portions where a first segment conductor and a second segment conductor are joined together are disposed so as to overlap each other as viewed in a radial direction, and an end part of at least one of the first segment conductor and the second segment conductor is provided with chamfered parts at edge parts on both circumferential sides of the end part.
    Type: Application
    Filed: February 7, 2019
    Publication date: June 3, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Kiyotaka KOGA, Tomotsugu SUGIHARA, Takahiro KOBUCHI
  • Publication number: 20210156707
    Abstract: There is provided a technique that can appropriately display route icons. A map display system includes a display section obtaining part that obtains display sections each being a section of a route to be displayed on a map; a connecting point obtaining part that obtains a connecting point, the connecting point being a point where different routes are connected together on the display sections; and a map display part that displays at least one route icon for each split section, the route icon being an image associated with a route, and the split section being obtained by splitting each of the display sections by the connecting point.
    Type: Application
    Filed: August 21, 2019
    Publication date: May 27, 2021
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Toshiyuki HIRANO, Kazuya UEDA, Xin JIN
  • Patent number: 11014455
    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: Grant
    Filed: August 24, 2018
    Date of Patent: May 25, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka, Yuki Kawaguchi, Koji Ota, Kazuyuki Sasaki, Isao Fujishima
  • Patent number: 11018564
    Abstract: A method for forming a coil that is formed by winding a flat rectangular conductor wire a plurality of times, the method includes forming, in the coil end portion, an offset portion bent in a stacking direction of the flat rectangular conductor wire with an offset in the stacking direction of the flat rectangular conductor wire by an amount corresponding to a width of the single flat rectangular conductor wire by moving the outer die on the one side in the divided outer die relative to the outer die on the other side in a direction along the stacking direction.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: May 25, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Shingo Hashimoto, Shingo Sato
  • Patent number: 11015683
    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: Grant
    Filed: October 12, 2018
    Date of Patent: May 25, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Daiki Suyama, Hiroaki Sanji, Mitsuhiro Ichioka
  • Publication number: 20210148439
    Abstract: A continuously variable transmission includes a transmission belt including a plurality of elements and a ring and wound around V-grooves of first and second pulleys, each of the plurality of elements including a body portion having a saddle surface and a pair of pillar portions extended from the body portion so as to be located on both sides in a lateral direction of the saddle surface, and the ring being disposed between the pair of pillar portions of each of the plurality of elements. When one of the first and second pulleys has its minimum groove width, at least a part in a thickness direction of the ring wound around the one of the first and second pulleys protrudes radially outward beyond an outermost circumference of a surface of the V-groove of the one of the first and second pulleys.
    Type: Application
    Filed: May 14, 2018
    Publication date: May 20, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Takayuki MIYAKE, Akira OCHI, Wataru ISHIHARA, Junichi TOKUNAGA
  • Publication number: 20210146769
    Abstract: A control device with an electronic control unit that is configured to perform specific supply control, the specific supply control driving at least one of the rotating electrical machine and the internal combustion engine in a neutral state, and supplying hydraulic pressure to an engagement operating part of a target engagement device with at least one of the rotating electrical machine and the internal combustion engine being driven, the automatic transmission not transmitting power in the neutral state, and the target engagement device being one of the plurality of transmission engagement devices.
    Type: Application
    Filed: July 17, 2018
    Publication date: May 20, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Tomohiro ONOUCHI, Kohei TSUDA, Yuki NAGANO
  • Patent number: 11009079
    Abstract: A vehicle drive apparatus includes: a sleeve including a first peripheral surface provided side by side with a spline; a connecting member including a groove provided side by side with a spline in spline engagement with the spline, recessed radially relative to the first peripheral surface, and including a bottom surface that serves as a second peripheral surface facing the first peripheral surface; and a tolerance ring disposed in the groove so as to exert a radial elastic force between the sleeve and the connecting member.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: May 18, 2021
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW INDUSTRIES CO., LTD.
    Inventors: Takeshi Torii, Daisuke Yamaoka, Atsushi Okuda, Tetsuya Yamauchi, Atsushige Kawasaka, Masashi Ikemura, Yosuke Michikoshi
  • Patent number: 11009139
    Abstract: A relief valve that includes a tube; a valve configured to slide along an inner wall of the tube in an axial direction, and a spring that urges the valve, wherein the valve has a hydraulic pressure receiving surface on a first axial side that is one side in the axial direction, and a spring abutment against which the spring abuts, on a second axial side opposite to the first axial side, and the tube has a discharge oil passage having an opening in the inner wall and extending through the inner wall in a radial direction.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: May 18, 2021
    Assignee: AISIN AW CO., LTD.
    Inventors: Tetsuya Shimizu, Toru Sugiyama, Masaya Iwata
  • Patent number: 11009357
    Abstract: A communication terminal is connected to a server and provides movement guidance for a mobile unit based on guidance information delivered from the server. The terminal requests the server for update information for updating area identification information that identifies a section corresponding to an update target area and a section not corresponding to the update target area on a section-by-section basis. The update target area is an area whose terminal-side map information included in the communication terminal is an older version. The terminal updates the area identification information based on the update information transmitted from the server, requests the server for guidance information for providing movement guidance for the mobile unit based on the updated area identification information, and provides the movement guidance for the mobile unit based on the guidance information delivered from the server.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: May 18, 2021
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shingo Aoyama, Daisuke Tanizaki, Hiroaki Hirano, Kazuteru Maekawa, Motohiro Nakamura, Kazunori Watanabe, Katsuya Masuda, Takeshi Hashimoto
  • Publication number: 20210140512
    Abstract: A metal belt manufacturing method includes: a step of inserting a retention member (30, 130) in an ended band shape into a clearance between an outer peripheral surface (12) of a ring (10) and an inner surface of a visor portion (23) which faces a base portion (21) in a recessed portion (25) and disposing the retention member (30, 130) circumferentially along the outer peripheral surface (12) of the ring (10); and a step of coupling the starting end portion and the terminal end portion of the retention member (30, 130) in an ended band shape to each other.
    Type: Application
    Filed: March 29, 2017
    Publication date: May 13, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Hiroyuki OHATA, Yohei ITO
  • Publication number: 20210143756
    Abstract: A dielectric elastomer transducer includes a dielectric elastomer function element having a dielectric elastomer layer and a pair of electrode layers between which the dielectric elastomer function element is interposed, and further includes a supporting body that supports the dielectric elastomer function element. Each of the electrode layers has one or more application regions. The dielectric elastomer function element has one or more function portions on which the application regions of the electrode layers are overlapped. The function portion is spaced away from the supporting body. With such a configuration, it is possible to avoid damaging the electrode layer and acquire a sufficient amount of expansion.
    Type: Application
    Filed: June 11, 2018
    Publication date: May 13, 2021
    Applicant: AISIN AW CO., LTD
    Inventors: Seiki CHIBA, Mikio WAKI
  • Patent number: 11005318
    Abstract: A rotor for a rotary electric machine, the rotor including: a rotor core; a rotor shaft having a tubular shape, passing through a radially inner side of the rotor core to be coupled to the rotor core, and extending along an axial direction; an oil supply path that supplies oil to the rotor shaft, a portion to be lubricated that is disposed on a first axial side with respect to the rotor core, wherein one side in the axial direction is defined as the first axial side and another side in the axial direction is defined as a second axial side; and a lubrication oil path through which oil is supplied to the portion to be lubricated.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: May 11, 2021
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Nakane, Takefumi Komaki, Masayuki Ikemoto, Yoshinari Nakagawa, Minoru Anai, Shinya Sano
  • Publication number: 20210135512
    Abstract: A rotary electric machine armature that includes a cylindrical armature core and a coil wound around the armature core, wherein: the coil is formed by joining a plurality of segment conductors to each other; the segment conductors have respective conductor side portions that extend along the axial direction; the conductor side portions are provided with respective joint portions; the joint portions have respective facing surfaces; the joint portions of a pair of the segment conductors are joined to each other with the facing surfaces of the joint portions facing each other; and a facing surface of the facing surfaces is formed so as to have a portion that faces a radial direction and so as not to have portions that overlap each other as viewed in the radial direction over the entire facing surface.
    Type: Application
    Filed: September 20, 2018
    Publication date: May 6, 2021
    Applicant: AISIN AW CO., LTD.
    Inventors: Kiyotaka KOGA, Tomotsugu SUGIHARA
  • 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