Patents Assigned to AISIN CORPORATION
  • Patent number: 11962204
    Abstract: This rotor manufacturing method includes the steps of: pressing a rotor core in a central axis direction by using a core pressing member; and fixing a shaft to the rotor core by performing, with the rotor core pressed, hydroforming that involves pressure-welding the shaft to an inner peripheral surface of a shaft insertion hole.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: April 16, 2024
    Assignee: AISIN CORPORATION
    Inventors: Takaaki Kawashima, Yutaka Hara, Mariko Saito
  • Patent number: 11959326
    Abstract: A vehicle operation detection device includes processing circuitry configured to output a command causing an opening-closing body of a vehicle to open and close in reference to capacitances of sensor electrodes arranged so as to form a row. The processing circuitry is configured to determine that a first operation has been performed when one of the sensor electrodes of which the capacitance increases is sequentially shifted in a first direction from an operation start electrode and determine that a second operation has been performed when the shifting is performed in a second direction. The sensor electrodes include an adjacent electrode adjacent to the operation start electrode. The processing circuitry is configured to determine that the capacitance of the adjacent electrode has increased when the capacitance becomes greater than or equal to a second determination value that is greater than a first determination value.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: April 16, 2024
    Assignee: AISIN CORPORATION
    Inventors: Kenta Enya, Takashi Kaino, Shiho Nakayama, Ryo Asami, Toshihiro Kaneda, Kenichiro Kagawa
  • Publication number: 20240120790
    Abstract: A first shaft member of a shaft included in this rotor includes: a first large-diameter portion disposed radially inward of a rotor core; and a first small-diameter portion disposed on a first axial side relative to the rotor core. The first small-diameter portion is provided with a driving force transmitter to transmit a driving force, which is transmitted thereto from the rotor core, to a driving force transmission member. A portion of the first shaft member located on a second axial side is connected to a second shaft member of the shaft.
    Type: Application
    Filed: December 24, 2020
    Publication date: April 11, 2024
    Applicant: AISIN CORPORATION
    Inventor: Shinya OSUKA
  • Patent number: 11955907
    Abstract: A rotating electrical machine control system (100) whose control target is an alternating-current rotating electrical machine (80) including M coil sets (8) includes M inverters (50) each including a plurality of switching elements (5) and connected to a direct-current power supply (41) and one of the coil sets (8) to convert electric power between a direct current and alternating currents of N phases; M current sensors (6) each provided for each coil set (8) to detect an alternating current of each phase flowing through the coil set (8); and an inverter control device (30) that generates switching control signals (S) for controlling the plurality of switching elements (5). The inverter control device (30) performs current feedback control of the rotating electrical machine (80) using all detection values for each of N phases obtained by the M current sensors (6), to generate the switching control signals (S) common to the M inverters (50).
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: April 9, 2024
    Assignee: AISIN CORPORATION
    Inventors: Subrata Saha, Shoji Nagata
  • Patent number: 11955906
    Abstract: A board main body part has a multilayer structure with even-numbered layers including a first layer formed on a surface part on one side and a second layer formed on a surface part on the other side. On both of the first layer and the second layer, a low voltage region in which a low voltage circuit is disposed, a high voltage region in which high voltage circuits are disposed, and an insulating region in which the low voltage region is electrically isolated from the high voltage region are formed. At least a part of a first high voltage circuit is disposed in a first-layer high voltage region formed on the first layer, and at least a part of a second high voltage circuit is disposed in a second-layer high voltage region formed on the second layer.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: April 9, 2024
    Assignee: AISIN CORPORATION
    Inventor: Yoshinobu Ito
  • Patent number: 11951791
    Abstract: A controller includes: a noise reduction processing unit that acquires a sensor signal, which is based on an output from a sensor that detects time-series data and includes a noise, and that reduces the noise included in the sensor signal on the basis of a recurrent neural network trained so as to learn a correspondence relationship between a first signal including the noise corresponding to the sensor signal and a second signal indicating the first signal from which the noise has been removed; and a control processing unit that controls an actuator on the basis of an output from the noise reduction processing unit.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: April 9, 2024
    Assignee: AISIN CORPORATION
    Inventor: Akihito Yamamoto
  • Patent number: 11955854
    Abstract: In this stator armature, a first leg portion has a first surface side part that has a thickness in a radial direction smaller than a thickness of a first leg portion body portion in the radial direction, a second leg portion has a second surface side part that has a thickness in the radial direction smaller than a thickness of a second leg portion body portion in the radial direction, and in the radial direction, a thickness of a joint portion is equal to or more than a thickness of a part other than the joint portion.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: April 9, 2024
    Assignee: AISIN CORPORATION
    Inventors: Kiyotaka Koga, Takahiro Kobuchi, Takashi Kato
  • Patent number: 11955857
    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: Grant
    Filed: June 28, 2019
    Date of Patent: April 9, 2024
    Assignee: AISIN CORPORATION
    Inventors: Kiyotaka Koga, Takahiro Kobuchi
  • Patent number: 11951926
    Abstract: A seating state detection device includes an acquisition unit configured to acquire a detection signal group in a predetermined period that is output as a result of transmission and reception of waves by a radio wave sensor mounted on a vehicle, a signal extraction unit configured to extract specific-intensity signals in a predetermined reflection intensity range from the detection signal group, and a determination unit configured to determine whether an occupant in the vehicle is in a first riding state in which the occupant is directly seated on a seat or in a second riding state in which the occupant is seated in an infant auxiliary device, based on a distribution mode of the specific-intensity signals.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: April 9, 2024
    Assignee: AISIN CORPORATION
    Inventors: Toru Uematsu, Jun Amano, Takayuki Nakagome, Asami Yamazaki, Masafumi Yaegashi, Ryohei Fuwa
  • Publication number: 20240110425
    Abstract: A vehicle door control device is provided to a vehicle including a door and a drive device. The vehicle door control device executes door control processing when the door moves in a closing direction from a stopped state in a state where a closing operation command signal for commanding a closing operation of the door is not received. In the door control processing, the vehicle door control device executes a braking mode, in which a braking force is applied to the door by regenerative braking action of a motor, when the door opening degree is less than the determination opening degree, and executes a closing operation mode, in which the door performs the closing operation such that a moving speed of the door is constant, when the door opening degree is equal to or greater than the determination opening degree.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 4, 2024
    Applicant: AISIN CORPORATION
    Inventors: Taishi IIKAWA, Masafumi SUZUKI, Gen TAKATSUKA, Ayaka SHIMIZU, Hiroki EBA, Takayuki SENGOKU
  • Publication number: 20240110426
    Abstract: A vehicle door control device controlling a motor and a door lock device of a door. During a closing operation of the door based on a closing operation command signal, the motor is driven to cause the door to perform the closing operation until shift of a latch mechanism from the unlatching state to the half-latching state is detected. The latch mechanism is shifted from the half-latching state to the full-latching state by starting driving of the door lock device simultaneously with or before or after completion of the closing operation of the door. When the shift of the latch mechanism from the half-latching state to the full-latching state is detected, position correction control of correcting a position of the door by driving the motor such that a force in an opening direction acts on the door is executed.
    Type: Application
    Filed: September 18, 2023
    Publication date: April 4, 2024
    Applicant: AISIN CORPORATION
    Inventors: Taishi IIKAWA, Gen TAKATSUKA, Hiroki EBA, Kimihide KATO
  • Patent number: 11949318
    Abstract: An air chamber serving as a breather chamber and a breather hole that communicates the outside of a case and the air chamber can be easily molded, and breather hole is provided so as to have a degree of freedom in an installation position and volume, so that oil does not easily blow out from case in which rotary electric machine is housed. Case housing rotary electric machine has an inner and outer case portion. Inner case portion has a first coupling portion. Outer case portion has a second coupling portion. The first and second coupling portions are fixed to each other. An air chamber communicated with an inside of inner case portion is formed between outer surface of inner case portion and inner surface of outer case portion. A breather hole that communicates air chamber and an outside of case is formed in outer case portion.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: April 2, 2024
    Assignee: AISIN CORPORATION
    Inventors: Takeshi Torii, Takuro Iwase, So Shiraiwa
  • Publication number: 20240101133
    Abstract: With reference to a message table associating a plurality of messages to be notified to a driver of a vehicle with a first condition, a second condition, last notification time of the message, and renotification requirement, a notification device selects messages associated with an identified first condition corresponding to a situation of surroundings of a vehicle or a state of a driver, selects, from among the messages associated with the identified first condition, messages associated with an identified second condition corresponding to a state of the driver, specifies, from among the messages associated with the identified second condition, a message without a record of last notification time or a message with a record of last notification time and with a renotification requirement requiring a renotification, and notifies the specified message to the driver through an output device.
    Type: Application
    Filed: July 19, 2023
    Publication date: March 28, 2024
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN CORPORATION
    Inventors: Takuhiro OMI, Hiroshi MORIMOTO, Kenta YAMADA, Udara Eshan MANAWADU
  • Patent number: 11938818
    Abstract: A periphery monitoring apparatus includes: a display processing unit configured to display, on a display, a peripheral image representing a virtual gaze area including a virtual gaze point viewed from a virtual viewpoint in a virtual space in which a situation in a periphery of a vehicle is reflected, based on a captured image acquired by capturing an image of the periphery of the vehicle; and a change processing unit configured to change a viewpoint radius corresponding to a distance between the virtual gaze point and the virtual viewpoint and a viewing angle corresponding to a range of the virtual gaze area viewed from the virtual viewpoint in accordance with a change in a situation on a left side or a right side in a traveling direction of the vehicle.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: March 26, 2024
    Assignee: AISIN CORPORATION
    Inventors: Kinji Yamamoto, Kazuya Watanabe
  • Publication number: 20240093545
    Abstract: An information processing apparatus includes: an acquisition unit configured to acquire an image captured by an imaging unit provided in a hinge door of a vehicle and a door opening angle indicating an angle at which the hinge door is opened from a closed state when the image is captured; a correction unit configured to correct an error of the door opening angle acquired by the acquisition unit; and a specification unit configured to specify a three-dimensional position of an obstacle with respect to the vehicle using corresponding points of the obstacle present around the hinge door, which are determined based on a plurality of images captured by the imaging unit from a plurality of viewpoints with different door opening angles acquired by the acquisition unit, and the door opening angles corrected by the correction unit and associated with the respective plurality of images.
    Type: Application
    Filed: September 7, 2023
    Publication date: March 21, 2024
    Applicant: AISIN CORPORATION
    Inventors: Shin-ichi KOJIMA, Kosuke TSUKAO
  • Publication number: 20240097594
    Abstract: A motor control device includes a control unit configured to cause a current to flow between two terminals out of three terminals of a three-phase motor under PWM control, a first signal information acquisition unit configured to acquire first signal information indicating an on-duty ratio of a PWM control signal in a three-phase energization state after a predetermined period has elapsed since the three-phase motor was started, and a determination unit configured to determine whether the three-phase motor is locked based on the first signal information.
    Type: Application
    Filed: November 16, 2021
    Publication date: March 21, 2024
    Applicant: AISIN CORPORATION
    Inventors: Takeru YAMAMOTO, Yoshiaki USHITA, Tomoya ISHII, Naoki ONOSAKA
  • Patent number: 11932089
    Abstract: A vehicle door frame includes an upper frame having a first end face at a longitudinal end, and a lower external face; and a lower member of a plate form bonded to the upper frame. The lower member includes a second end face facing the first end face, a projection projecting from the second end face in a longitudinal direction below the upper frame, and a third end face located at an upper end of the projection, extending in the longitudinal direction, and facing a lower side of the external face of the upper frame.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: March 19, 2024
    Assignee: AISIN CORPORATION
    Inventors: Jun Kimura, Takashi Kameyama
  • Patent number: 11933425
    Abstract: Provided is a linear solenoid valve having at least one notch that opens on an end surface of the land of the spool on the drain chamber side and is formed on an outer peripheral surface of the land. In response to movement of the spool, a state is formed in which the end surface of the land on the drain chamber side is located inside the communication chamber and the output chamber and the drain chamber communicate with each other via the notch and the communication chamber, and a state is formed in which the end surface of the land on the drain chamber side is located inside the output chamber and the output chamber and the drain chamber communicate with each other via the communication chamber.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: March 19, 2024
    Assignee: AISIN CORPORATION
    Inventors: Kenichi Tsuchida, Takahiro Kokubu, Shuichi Takeda, Satomi Hoshino, Shingo Kurimoto
  • Patent number: 11932152
    Abstract: An air pump device includes an electric pump unit including a pump mechanism and a motor configured to drive the pump mechanism, a case housing the electric pump unit, and a vibration-proof member interposed between the electric pump unit and the case. The vibration-proof member is a plate-shaped member made of an elastic resin material and is wound around the electric pump unit to wrap the electric pump unit therein. A part of the vibration-proof member is sandwiched between the electric pump unit and one of facing surfaces that are inner surfaces of the case and face each other inside the case. Another part of the vibration-proof member is sandwiched between the electric pump unit and the other one of the facing surfaces.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: March 19, 2024
    Assignee: AISIN CORPORATION
    Inventors: Shogo Sakai, Kazuma Nishida, Takashi Yokoyama, Satoshi Masuda
  • Publication number: 20240088816
    Abstract: A rotating electrical machine control device shifts a control system to synchronous five-pulse control when an operating point crosses a second boundary from a state in which asynchronous pulse-width modulation control is being executed, and shifts the control system to the asynchronous pulse-width modulation control when the operating point crosses a first boundary from a state in which the synchronous five-pulse control is being executed. The first boundary is set such that the number of switching pulses per unit rotational speed by the synchronous five-pulse control immediately before the operating point crosses the first boundary is smaller than the number of the switching pulses per unit rotational speed by the asynchronous pulse-width modulation control immediately after the operating point crosses the first boundary.
    Type: Application
    Filed: February 8, 2022
    Publication date: March 14, 2024
    Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Subrata SAHA, Keisuke NISHIMURA, Kyohei KAWAMURA