Patents Assigned to Aisin Seiki Kabushiki Kaisha
  • Patent number: 11268847
    Abstract: A seat load detection method includes a process in which a control unit records a transition of a load detection signal and a transition of a seat load, a process in which the control unit specifies a timing when a load sensor detects a collision of a vehicle based on a transition record of the load detection signal, and a process in which the control unit calculates a correction value of the seat load based on a difference value between a stable seat load provided after the control unit detects the collision of the vehicle and a stable seat load provided before the load sensor detects the collision of the vehicle.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: March 8, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yoshiaki Tomatsu, Noriyuki Nishizawa, Ryohei Fuwa
  • Patent number: 11267372
    Abstract: A seat device includes a holding member that holds an air tube and is located below a seat cushion. The holding member includes a base wall that defines a holding surface for the air tube, a locking portion that locks air tubes routed along the holding surface on the base wall, and a side wall extending in a routing direction of each of the air tubes.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: March 8, 2022
    Assignees: AISIN SEIKI KABUSHIKI KAISHA, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Makoto Sakai, Ryosuke Mizuno, Tomokazu Seki, Katsuya Nozue, Shunsuke Tanaka, Kenji Hashimoto
  • Patent number: 11264878
    Abstract: A rotor for a rotary electric machine, wherein: magnet insertion holes are formed, each defined by the plurality of through holes communicating with each other in the axial direction across the plurality of magnetic sheets; and each of the permanent magnets is twisted about the center axis so as to be placed into a corresponding one of the magnet insertion holes, each having opposite ends in the axial direction that are shifted from each other by an angle corresponding to the constant angle, from outside in the axial direction.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: March 1, 2022
    Assignees: AISIN CORPORATION, AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Masayuki Ikemoto, Teppei Tsuda, Masafumi Sakuma
  • Patent number: 11261624
    Abstract: This opening/closing body control device for vehicles comprises a lock device and a control device. The control device comprises: a reversal control unit; a reversal stopping unit; a first error detection unit that detects a first state change error in a first neutral switch, when reverse rotation of a rotating member has been stopped on the basis of a change in the on/off state of a second neutral switch during reverse control after closing control; and a second error detection unit that detects a second state change error in the first neutral switch, when reverse rotation of the rotating member is stopped on the basis of a change in the on/off state of the second neutral switch during reverse control after release control.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: March 1, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Takeshi Nishikibe, Noriyuki Kamiya
  • Publication number: 20220057506
    Abstract: An object detection device that detects an object existing around a moving body moving on a road surface by a TOF method, the object detection device includes: a first acquisition unit that acquires target information including distance information of a detection target on the basis of a comparison result between a signal level of a reflected wave and a first threshold value; a second acquisition unit that acquires road surface information including distance information of the road surface on the basis of a comparison result between the signal level of the reflected wave and a second threshold value; and a setting unit that sets the second threshold value so that an amount of the distance information acquired within a predetermined period does not exceed a predetermined amount.
    Type: Application
    Filed: March 22, 2021
    Publication date: February 24, 2022
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Ippei SUGAE, Koichi SASSA
  • Patent number: 11258953
    Abstract: According to one embodiment, the image processing device includes imagers disposed on an outer circumference of a mobile object for imaging surroundings of the mobile object to generate multiple images including mutually overlapping regions, and a processor that corrects the images on the basis of one color-value mean value and another color-value mean value to generate a peripheral image by combining the corrected images. The one color-value mean value is an average of color values of a target region set in an overlapping region of one of the images. Another color-value mean value is an average of color values of a target region set in an overlapping region of another one of the images.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: February 22, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Kota Ito, Haruyuki Horie, Miki Tsujino
  • Patent number: 11258079
    Abstract: A humidification device includes a humidification section that humidifies taken-in air and a cover that covers the humidification section. A space is provided between the humidification section and the cover. A supply port for sending out humidified air humidified by the humidification section is further provided. The space communicates with the supply port, and the humidified air flows through the space, thereby utilizing air in the space as a heat insulation layer.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: February 22, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventor: Katsuhiro Kajio
  • Patent number: 11255117
    Abstract: A control apparatus controlling an opening and closing member for a vehicle includes a drive control unit operating an opening and closing member of the vehicle by a motor serving as a drive source, and a catch detection unit detecting a catch of a foreign object caught by the opening and closing member in response to a current value of the motor. The drive control unit includes a motor control signal output unit outputting a motor control signal for supplying a drive power to the motor, and an advance-angle value setting unit setting an advance-angle value for advancing a phase of the motor control signal. The advance-angle value setting unit includes an advance-angle value increase prohibition unit prohibiting increase setting of the advance-angle value in a case where the current value of the motor reaches an advance-angle value increase prohibition current value.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: February 22, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tomoyuki Takenaka, Kohei Kobayashi, Takashi Kaino
  • Patent number: 11247659
    Abstract: A vehicle control apparatus is applied to a vehicle so as to control driving of an electric motor of the vehicle. The vehicle control apparatus includes: a frequency calculation unit configured to calculate an engine pulsation frequency; a damping control content switching unit configured to switch a damping control content; a gain calculation unit configured to calculate a gain, used for a torque command for driving the electric motor; a torque calculation unit configured to calculate the torque command by multiplying the calculated gain by at least one of a torsion torque reduction component and a motor torque reduction component; a command torque determination unit configured to determine a damping control torque command; and a drive control unit configured to control the driving of the electric motor based on the damping control torque command.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: February 15, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Takatomo Asai, Hirotaka Mizuguchi
  • Patent number: 11249186
    Abstract: A distance detection apparatus includes a wave transmitter configured to transmit a transmission wave, a wave receiver configured to receive the transmission wave which is reflected by an object, a storage portion configured to store a transmission signal, a correlation processing portion configured to obtain a correlation value between the transmission signal and a reception signal corresponding to a reception wave, and a detection portion configured to detect a distance to the obstacle in a case where the correlation value indicates that the transmission signal and the reception signal are similar to each other at a level which is equal to or greater than a predetermined level.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: February 15, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Ippei Sugae, Hisashi Inaba
  • Patent number: 11245121
    Abstract: A humidifier includes plural separators each formed in a plate shape, the separator including a flow path on each of a front side and a back side thereof, and a water exchanging film sandwiched between the separators at a boundary thereof which are adjacent to each other in a state where the plural separators are stacked on each other. Humidified gas flows in one of the flow paths facing each other with the water exchanging film therebetween, and dry gas flows in the other of the flow paths. The water exchanging film is formed in an elongated shape, and different areas of the water exchanging film are sandwiched by the separators at plural boundaries thereof.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: February 8, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventor: Yu Guan
  • Patent number: 11225136
    Abstract: A grille shutter includes a frame, a movable louver and a bracket provided at each of end portions of the frame. The frame includes an upper frame portion, a lower frame portion, a right frame portion and a left frame portion, wherein at least one of the upper frame portion and the lower frame portion includes a curved configuration in which a vehicle-rear-side edge of a portion of the one of the upper frame portion and the lower frame portion is convex towards a vehicle-front side, and the portion is positioned between the right frame portion and the left frame portion.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: January 18, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shun Totsuka, Ken Komatsubara, Kazuki Tsuboi
  • Patent number: 11225820
    Abstract: A roller unit to which a cable end of a cable pulled by a door actuator is attached moves with a slide door along a guide rail on a vehicle body, and includes: a coupling part coupled to the slide door; a guide roller supported by the coupling part and moving along the guide rail; a guide pin fixed to the coupling part and inserted into the cable end; and a fastener fastening the cable end to the guide pin. A recess is formed toward an end of the guide pin. An external diameter of the end of the guide pin is smaller than an internal diameter of the shaft hole of the cable end. The fastener includes a supporting part supporting the cable end and a protrusion part engaged with the recess.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 18, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventor: Akinori Suzuki
  • Publication number: 20220003174
    Abstract: A valve opening and closing timing control device includes: a driving-side rotating body that rotates synchronously with a crankshaft of an internal combustion engine around a rotating shaft core; a driven-side rotating body that rotates integrally with a valve opening and closing camshaft of the internal combustion engine around the same shaft core as the rotating shaft core; a gear mechanism that sets a relative rotation phase between the driving-side rotating body and the driven-side rotating body by displacement of a meshing position; a motor that enables displacement of the meshing position of the gear mechanism by rotating a rotating shaft; and a control unit that controls the drive of the motor. The control unit intermittently performs control to energize the motor for one phase for a predetermined time after the internal combustion engine is stopped.
    Type: Application
    Filed: March 17, 2021
    Publication date: January 6, 2022
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Yuki KASUYA, Shugo ITO, Takano NAKAI, Kenichiro SUZUKI, Yoshiyuki KAMOYAMA, Toru HIROTA
  • Publication number: 20220003133
    Abstract: A valve open-close timing control device includes a driving rotator, a driven rotator, a phase adjusting mechanism, a sensor unit, a storage configured to store the plurality of divided regions consecutively provided, as a plurality of divided length information pieces corresponding to divided lengths of the divided regions, and an actual phase acquisition unit configured to start acquisition of the crank angle signal and the cam angle signal along with start of actuation control of actuating the internal combustion engine, specify one of the divided regions by referring to the divided length information pieces stored in the storage in accordance with the crank angle signal at timing set in accordance with the cam angle signal, and acquire the relative rotation phase as an actual phase in accordance with the crank angle signal corresponding to the boundary of the divided region thus specified and the reference crank angle signal.
    Type: Application
    Filed: March 18, 2021
    Publication date: January 6, 2022
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Takashi IWAYA, Masahiro OKADO, Toi SUZUKI, Toshiki MIYAKE, Takano NAKAI, Kenichiro SUZUKI, Yoshiyuki KAMOYAMA, Toru HIROTA
  • Publication number: 20220003132
    Abstract: A valve opening and closing timing control device includes a drive-side rotating body that rotates synchronously with a crankshaft of an internal combustion engine, a driven-side rotating body that rotates with a camshaft of the internal combustion engine, an electric motor that controls a relative rotation phase of the drive-side rotating body and the driven-side rotating body, a motor control unit that controls a current supplied to the electric motor, a current sensor that detects the current flowing into the electric motor, a regulation unit that determines a regulation phase in which the relative rotation phase is mechanically limited in an advanced angle direction and in a delayed angle direction, and a regulation phase detection unit that detects the regulation phase based on when the relative rotation phase in which a change is stopped by the regulation unit is reached and a current value detected by the current sensor increases.
    Type: Application
    Filed: March 18, 2021
    Publication date: January 6, 2022
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hiroyuki AMANO, Shogo KATSUKI, Takano NAKAI, Kenichiro SUZUKI, Yoshiyuki KAMOYAMA, Toru HIROTA
  • Patent number: 11214990
    Abstract: A handle apparatus for a vehicle includes a support member, a bell crank rotatable between an initial position and an operation position and causing the lock apparatus to be in a latched state and in an unlatched state, and a handle including a pressing portion. In a state where the pressing portion is in contact with a pressed portion provided at the bell crank, the handle causes, via the pressed portion and the pressing portion, the bell crank to rotate between the initial position and the operation position when the handle rotates. The apparatus includes a temporary hold member supported by the bell crank in such a manner that the temporary hold member is slidable between a first position and a second position, and the temporary hold member includes an engagement portion configured to engage with and disengage from an engaging portion provided at the support member.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: January 4, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Masaki Yoshino, Koya Sasaki
  • Patent number: 11218108
    Abstract: A motor controller includes: a rotation speed measurement portion that measures a rotation speed of a motor; and an energization method switching portion that switches an energization method so that the motor is driven by a 120-degree energization method when a rotation speed of the motor measured by the rotation speed measurement portion is less than or equal to a predetermined threshold value, and the motor is driven by a 150-degree energization method when a rotation speed of the motor measured by the rotation speed measurement portion exceeds the predetermined threshold value.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: January 4, 2022
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hiroyuki Miyamoto, Kenji Yamashita
  • Patent number: 11207971
    Abstract: A vehicle drive device includes an electric motor disposed in a wheel, a planetary gear mechanism, and a hub. The electric motor is configured to generate a drive force which drives the wheel. The drive force of the electric motor is transmitted to the planetary gear mechanism. The hub transmits a drive force of the planetary gear mechanism to the wheel. The planetary gear mechanism includes a pinion gear having a first pinion and a second pinion coaxial with the first pinion and having a smaller diameter than the first pinion, a fixed ring gear which engages with the first pinion, and a drive ring gear which engages with the second pinion and transmits a drive force to the hub. The first pinion is disposed at a position away from an end portion of the stator core in a direction in which a rotation center axis of the wheel extends.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: December 28, 2021
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Takahiro Misu, Satoru Tanaka
  • Patent number: 11210497
    Abstract: An occupant modeling device includes: an acquisition section acquiring an image by imaging a region where there is a probability that a face of an occupant is present; a model fitting section generating a model of the face based on a first image acquired by the acquisition section; a tracking section adapting the model to a second image acquired after the first image; a determination section determining correctness of a facial part position included in the second image to which the model is adapted, by using learned information obtained through learning based on correct information and incorrect information regarding the facial part position; and a processing section determining whether a process in the tracking section is to be continuously executed or a process in the model fitting section is to be executed again according to a determination result in the determination section.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: December 28, 2021
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shin Osuga, Takashi Kato, Yoshiyuki Yamada, Tetsuya Hattori