Patents Assigned to Aisin Aw Co., Ltd.
  • Patent number: 10621889
    Abstract: There is provided a technique for arranging characters along a road to improve appearance and readability. A map display system arranges a plurality of characters along a road line which is a polyline representing a road shape, and includes an arranging part that arranges, at a connecting portion where a first road line segment and a second road line segment forming the road line are connected, a third character in a third direction between a first character arranged in a first direction and a second character arranged in a second direction, the first direction being a direction for the first road line segment, the second direction being a direction for the second road line segment, and the third direction being a direction between the first direction and the second direction; and a display control part that displays the road line and the plurality of characters on a display part.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: April 14, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Naoyuki Hiramoto, Yoshihiro Ishihara
  • Patent number: 10622861
    Abstract: A stator that includes a stator core including a plurality of teeth with a slot in between; a plurality of coils each formed of a conductor, each of the coils including: an accommodated portion accommodated in the corresponding slot, a coil end disposed on an outer side of an end face of the stator core, and a lead wire protruding from the accommodated portion and extending radially outward of the stator core; and a connector connected to ends of the lead wires of the coils.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: April 14, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Shingo Hashimoto, Shingo Sato, Kiyotaka Koga
  • Patent number: 10622933
    Abstract: An inverter device that includes an inverter circuit that converts power between DC power and multi-phase AC power; a drive circuit that transfers a drive signal to each of a plurality of switching elements that form the inverter circuit to cause a switching element of the plurality of switching elements to perform turn-on, in which the switching element is caused to transition from an off state to an on state, and turn-off, in which the switching element is caused to transition from the on state to the off state; and a current detection circuit that detects a current that flows through each of the plurality of switching elements.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: April 14, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Shinsuke Tsubamoto, Isamu Kato
  • Publication number: 20200109765
    Abstract: An element for a transmission belt that is wound around a primary pulley and a secondary pulley of a continuously variable transmission includes: a trunk portion having a saddle surface that is in contact with a ring of the transmission belt; and a pair of pillar portions extending from the trunk portion so as to be positioned on both sides of the saddle surface in a width direction. The saddle surface is a convex surface that is formed by an elliptic arc and satisfies b/a?0.015 when a long diameter of the elliptic arc is regarded as “a” and a short diameter of the elliptic arc is regarded as “b”. In this way, it is possible to optimize the stress distribution of the ring that is in contact with the saddle surface and improve the durability of the ring and the transmission belt.
    Type: Application
    Filed: June 1, 2018
    Publication date: April 9, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Akira OCHI, Wataru ISHIHARA, Takayuki MIYAKE, Junichi TOKUNAGA
  • Publication number: 20200108836
    Abstract: According to one embodiment, by way of example, a vehicle control device includes: an acquisition unit configured to acquire map data indicating an absolute azimuth of a linear road surface sign disposed on a road surface on which a vehicle travels, and image data obtained by imaging surroundings of the vehicle with a vehicle-mounted camera included in the vehicle; and a correction unit configured to detect the road surface sign from the acquired image data, calculate a relative azimuth of the road surface sign with respect to the vehicle on the image data, calculate a shift of an azimuth in which the vehicle moves based on the calculated relative azimuth and the absolute azimuth of the detected road surface sign indicated by the map data, and correct the azimuth in which the vehicle moves based on the calculated shift.
    Type: Application
    Filed: October 2, 2019
    Publication date: April 9, 2020
    Applicants: AISIN SEIKI KABUSHIKI KAISHA, AISIN AW CO., LTD.
    Inventors: Yu TANAKA, Toyoji HIYOKAWA
  • Patent number: 10615682
    Abstract: An electrically driven vehicle inverter device includes a smoothing capacitor, a discharge resistor, a discharge resistor and first and second discharge switching elements connected in series between both ends of the smoothing capacitor, and a clamp circuit provided for at least one of the first and second discharge switching elements. The clamp circuit includes a reverse flow prevention element and a constant voltage generation element that causes a constant voltage drop when a voltage across the constant voltage generation element exceeds a value determined in advance, for example.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: April 7, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Yasushi Nakamura, Tomoya Hirano
  • Patent number: 10617019
    Abstract: A board holding apparatus holds an electric circuit board between a first case and a second case. The board holding apparatus includes locking parts that lock the first case and the second case together in a thickness direction of the electric circuit board such that the first case and the second case are not separated from each other and a bearing surface formed on the second case, the electric circuit board coming into contact with the bearing surface in the thickness direction. The board holding apparatus includes a spring that generates an elastic force, with the locking parts locking the first case and the second case together, the spring being formed on the first case and the elastic force pressing the bearing surface through the electric circuit board.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: April 7, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Hiroyoshi Araki, Yuichi Takeuchi
  • Publication number: 20200103044
    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: Application
    Filed: May 17, 2018
    Publication date: April 2, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Tetsuya SHIMIZU, Toru SUGIYAMA, Masaya IWATA
  • Publication number: 20200096096
    Abstract: A power transmission control device acquires rotation speed information of an idle gear corresponding to a target engagement member and rotation speed information of a sleeve corresponding to an engagement member, sets one rotation speed changeable by a power source as a synchronization side rotation speed, sets the other rotation speed as a target synchronization side rotation speed, allows a differential rotation between the synchronization side rotation speed and the target synchronization side rotation speed to match a predetermined differential rotation by changing the synchronization side rotation speed using the power source after a power transmission releasing state is selected due to a gear changing request, performs an engagement operation, inverts a sign of the predetermined differential rotation, and switches to the power transmission state while allowing the differential rotation to match the predetermined differential rotation of which the sign is inverted.
    Type: Application
    Filed: December 27, 2017
    Publication date: March 26, 2020
    Applicant: AISIN AW CO., LTD.
    Inventor: Hiroki INOUE
  • Publication number: 20200096078
    Abstract: An element of a transmission belt includes a pair of rocking edge portions with a convex surface, these are formed on one of a front face and a rear face to extend a part of the rocking edge portion over a pillar portion, and the rocking edge portions are spaced away from each other in a width direction; and a non-contact portion extended along a saddle surface in the width direction between the rocking edge portions, in non-contact with an adjacent element. S/A?3.5 is satisfied, when a sum of widths of end portions of the rocking edge portions on an outer peripheral side of the transmission belt is set as “A”. A sum of surface areas of parts of the pillar portions on the outer peripheral side of the transmission belt is set as “S”.
    Type: Application
    Filed: June 6, 2018
    Publication date: March 26, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Takayuki MIYAKE, Akira OCHI, Wataru ISHIHARA, Junichi TOKUNAGA
  • Patent number: 10597021
    Abstract: A control apparatus for a vehicle includes a control portion configured to control an input torque to an automatic transmission such that a value representing a rotating state of an input rotary member of the automatic transmission coincides with a target value; a racing determining portion configured to determine whether a rotating speed of an engine is predicted to exceed a predetermined rotating speed when control is provided such that the value representing the rotating state of the input rotary member of the automatic transmission coincides with the target value during a power-on shift-down action of the automatic transmission; and an output limiting portion configured to limit the output torque of the engine to a predetermined torque or less if the rotating speed of the engine is predicted to exceed the predetermined rotating speed during the power-on shift-down action of the automatic transmission.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: March 24, 2020
    Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.
    Inventors: Munehiro Katsumata, Hiromichi Kimura, Kazuyuki Shiiba, Tooru Matsubara, Takeshi Kitahata, Kenta Kumazaki, Nobufusa Kobayashi, Masato Yoshikawa, Takahiro Kimura, Daisuke Suyama, Kazuomi Okasaka
  • Publication number: 20200086371
    Abstract: A method of manufacturing a case for a starting device, the case having at least one curved portion and having an interior configured to be supplied with oil includes forming a thickened portion by partially thickening a metal sheet material and forming the curved portion by bending the sheet material at the thickened portion by press working. An outer surface of the curved portion projects outward of the case beyond a curved surface that is concentric with an inner surface of the curved portion and that has a radius of curvature equal to the sum of the radius of curvature of the inner surface and the thickness of the sheet material forming the case. Metal flows in the curved portion are continuous from the inner surface to the outer surface without any break.
    Type: Application
    Filed: March 30, 2018
    Publication date: March 19, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Akihiro NAGAE, Akiyoshi OTSUKI, Shuhei HASHIGUCHI
  • Publication number: 20200088293
    Abstract: An object is to reduce a delay in response. An automatic gear changing control device includes a sleeve which is moved by an actuator to perform an engagement operation, an engine which is connected to an input shaft, and a control unit which controls the movement of the sleeve by the actuator and controls the rotation of the input shaft by the engine or a motor generator. The control unit performs synchronization control of controlling the rotation of the input shaft for the engagement operation at a different gear stage after the engagement is released and starts shift control of moving the sleeve to an engagement completion position by the actuator before at least the synchronization is completed.
    Type: Application
    Filed: December 27, 2017
    Publication date: March 19, 2020
    Applicant: AISIN AW CO., LTD.
    Inventors: Yoshitaka SHIMIZU, Mitsutoshi KAMIYA
  • Patent number: 10594183
    Abstract: A stator assembling method where each of the plurality of the concentrically wound coils has vertexes oriented outward in a axial direction in the planned coil end portions, and a distance in the axial direction between the vertexes of the planned coil end portions on both sides in the axial direction of each of the plurality of concentrically wound coils is gradually reduced toward the conductive wire mounted on the inner diameter side of the stator core from the conductive wire mounted on the outer diameter side of the stator core.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: March 17, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Shingo Hashimoto, Shingo Sato, Kazuya Iwatsuki, Kiyotaka Koga, Koji Hirabaru
  • Patent number: 10594182
    Abstract: A stator manufacturing method that includes a lead wire bending process of inserting a plurality of concentrically wound coils into slots, each of the concentrically wound coils being formed by winding a flat conductive wire for a plurality of turns, each of the slots being formed between every two adjacent teeth extending radially inward from an annular back yoke of a stator core, and bending lead wire portions of the inserted concentrically wound coils projecting in an axial direction from an end surface of the stator core, and a second bending process of bending the lead wire portions using the connection parts as fulcrums so that the lead wire portions approach the end surface of the stator core along the circumferential direction of the stator core after the first bending process.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: March 17, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Shingo Hashimoto, Shingo Sato, Masaki Saito, Kiyotaka Koga
  • Patent number: 10592014
    Abstract: Display control systems, methods, and programs obtain an indicated location indicated by a pointer, based on an output from a pointing device, and display, on a display, a user interface screen that displays icons at predetermined locations and displays the pointer indicating the indicated location. The systems methods, and programs draw, when the indicated location is present in a draw-in region including one of the icons, the indicated location into the icon. The systems methods, and programs set, when a first icon and a second icon for performing operations related to a same function are arranged side by side on the display, a first draw-in region including the first icon and a second draw-in region including the second icon such that the first draw-in region and the second draw-in region are present in a region between the first icon and the second icon and adjacent to each other.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: March 17, 2020
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroyasu Kato, Kazuhiro Kamiya, Seiichi Tanaka
  • Publication number: 20200079345
    Abstract: A power transmission device mounted on a vehicle in which operation of an engine is stopped when vehicle speed has been reduced to a predetermined vehicle speed. The device includes an oil pump driven by the engine; a hydraulic control device regulating pressure from the oil pump; a continuously variable transmission mechanism in which groove widths of a primary pulley and a secondary pulley are set by hydraulic pressure from the hydraulic control device; a hydraulic engagement element engaged by hydraulic pressure from the hydraulic control device to couple the continuously variable transmission mechanism to the engine; a clamping pressure sensor that detects clamping pressure of a belt of the continuously variable transmission mechanism; and a control device disengaging the hydraulic engagement element when the detected clamping pressure of the belt reaches less than or equal to a threshold value after operation of the engine is stopped.
    Type: Application
    Filed: May 21, 2018
    Publication date: March 12, 2020
    Applicant: AISIN AW CO., LTD.
    Inventor: Masahiro NOZAKI
  • Patent number: 10583825
    Abstract: A control apparatus for a hybrid vehicle, having an engine, an electric motor, and an automatic transmission which is placed in a selected speed position with engagement of selected at least one of coupling devices, includes: an input torque control portion controlling the electric motor for controlling an input torque transmitted to the automatic transmission during a shifting action of the automatic transmission, based on output torque of the engine and torque transmitted through the coupling devices, such that a value representing a rotating state of an automatic transmission input rotary member coincides with a target value. The input torque control portion controls the input torque to be not smaller than a predetermined lower limit, when a running state of the hybrid vehicle is switched from a power-on state to a power-off state during a shift-down action of the automatic transmission in the power-on state.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: March 10, 2020
    Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.
    Inventors: Munehiro Katsumata, Hiromichi Kimura, Kazuyuki Shiiba, Tooru Matsubara, Takeshi Kitahata, Kenta Kumazaki, Nobufusa Kobayashi, Masato Yoshikawa, Takahiro Kimura, Daisuke Suyama, Kazuomi Okasaka
  • Patent number: 10587157
    Abstract: A stator for a rotating electrical machine, the stator including a tubular core having a plurality of slots; and a coil mounted in the core, wherein the coil includes a plurality of conductor wires aligned in the slots, each of the conductor wires has ends projecting beyond the slot, a pair of the ends are bonded together to form a bonded end, a plurality of the bonded ends are arranged next to each other in a circumferential direction of the core and are arranged in a radial pattern so as to extend in a radial direction of the core, and a cap is formed by molding using a resin material having electrical insulation properties so that the cap integrally covers adjacent ones of the plurality of bonded ends.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: March 10, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Yoichi Miyoshi, Junichi Yokota, Kiyotaka Koga, Junichi Sugawara, Hideaki Kimura
  • Patent number: 10578444
    Abstract: Guidance systems, methods, and programs acquire, from a map information providing device, update information for updating map information that is stored in guidance memory, and update, on the basis of the acquired update information, the stored map information. The systems, methods, and programs acquire, from the map information providing device, temporarily delivered information that is used for guidance until the update is complete. The temporarily delivered information has an identical data structure to the stored map information and is replaceable with the stored map information. Until the update is complete, the systems, methods, and programs provide guidance on the basis of the acquired temporarily delivered information. After the update is compete, however, the systems, methods, and programs provide guidance on the basis of the updated map information.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: March 3, 2020
    Assignee: AISIN AW CO., LTD.
    Inventor: Daisuke Tanizaki