Patents Assigned to Toyota Jidosha
  • Patent number: 11313022
    Abstract: There is provided a method for manufacturing a soft magnetic member where a coating formed of an ?-Fe2O3 single phase having a high electrical resistivity is formed on a soft magnetic alloy substrate. A soft magnetic alloy substrate is heated in an atmosphere containing water vapor and inert gas to form a coating on the soft magnetic alloy substrate. The atmosphere has an oxygen partial pressure in a range of 0 to 1.5 kPa. A soft magnetic member including the soft magnetic alloy substrate and the coating formed on its surface can be obtained.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: April 26, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Fumitaka Yoshinaga, Kazuaki Haga, Seishi Utsuno
  • Patent number: 11316236
    Abstract: Provided is a method for producing an electrode for solid-state batteries which comprises a PTC resistor layer containing an insulating inorganic substance and in which electronic resistance is low. The production method is a method for producing an electrode for solid-state batteries, wherein the method is a method for producing an electrode for use in a solid-state battery comprising a cathode, an anode and an electrolyte layer disposed between the cathode and the anode; wherein the electrode is at least one of the cathode and the anode, and the electrode comprises a current collector, an electrode active material layer and a PTC resistor layer disposed between the current collector and the electrode active material layer.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: April 26, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Norihiro Ose, Tomoya Suzuki, Hajime Hasegawa, Kazuo Yaso, Hideaki Nishimura, Yuki Matsushita
  • Publication number: 20220118842
    Abstract: Included are a pair of rockers, a floor panel disposed between the rockers, a battery pack disposed beneath the floor panel, a bracket that connects the battery pack to the rockers, and an under cover that covers a lower face of the battery pack. The battery pack includes a tray, a first partitioning plate that is disposed upon the tray and that extends in a front-rear direction, and a plurality of battery cells disposed on both sides of the first partitioning plate upon the tray. The under cover has a first portion and a second portion disposed beneath the tray with a spacing as to the tray. The second portion is situated on an upper side from the first portion. The second portion is disposed beneath the first partitioning plate.
    Type: Application
    Filed: October 13, 2021
    Publication date: April 21, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, SUBARU CORPORATION
    Inventors: Shin Inoue, Katsuya Oshima
  • Publication number: 20220123562
    Abstract: A power supply device includes: a first high-voltage line for exchanging the electric power externally; a second high-voltage line for applying current flowing in a direction opposite to the first high-voltage line; a plurality of batteries; a plurality of SUs, the SUs being provided corresponding to the respective batteries, switching a connection state of the batteries to the first high-voltage line, and being disposed in a circle; and an SCU that controls the SUs. The SU can switch between a first state in which the battery corresponding to the SU is connected in series to the first high-voltage line and a second state in which the battery is not connected to the first high-voltage line. The SCU controls the SUs to switch to the first state or the second state in accordance with a voltage of the electric power to be charged and discharged.
    Type: Application
    Filed: October 18, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junta IZUMI, Kenji KIMURA, Masakazu HABU, Hiroshi TSUKADA, Atsuhiro TAKAHASHI, Takashi KOJIMA, Shuji TOMURA, Kazuo OOTSUKA, Naoki YANAGIZAWA, Kyosuke TANEMURA
  • Publication number: 20220123393
    Abstract: A battery case includes a case-penetrating hole. An external terminal includes a member-engaging hole and is stacked on an outside of the battery case so that the member-engaging hole and the case-penetrating hole align with each other. An internal terminal includes a shaft portion and a fastening portion. The shaft portion is inserted through the case-penetrating hole and the member-engaging hole from an interior of the battery. The fastening portion is fastened to a circumferential periphery of the member-engaging hole by crushing a tip end of the shaft portion. The internal terminal is stacked on an inside of the battery case. The fastening portion and the external terminal include a welded portion welded along a weld line set across a periphery of the fastening portion. The welded portion has a length K1 along the weld line and a width K2 along a direction perpendicular to the weld line, and the length K1 is at least 1.5 times longer than the width K2.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroyuki NAKAYAMA, Takeyuki OZAKI, Kohji UMEMURA
  • Publication number: 20220118978
    Abstract: A system includes an acquisition unit that acquires an operation amount or a duration count, and a switching unit that switches a driving state. The switching unit switches the driving state to the cooperative driving state when the operation amount is equal to or greater than an intervention threshold and less than a start threshold or the duration count is equal to or greater than a first threshold and less than a second threshold during the autonomous driving state, switches the driving state to the autonomous driving state when the operation amount is less than the intervention threshold or the duration count is less than the first threshold during the cooperative driving state, and switches the driving state to the manual driving state when the operation amount is equal to or greater than the start threshold or the duration count is equal to or greater than the second threshold.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiromitsu URANO, Kentaro Ichikawa, Taisuke Sugaiwa, Toshiki Kindo
  • Publication number: 20220121215
    Abstract: A vehicle control device includes a tracking unit estimating a motion of a moving object, a model selection unit selecting a motion model corresponding to a moving object type, an abnormality determination unit determining a presence or absence of an abnormality of the estimation of the motion of the moving object based on the estimated moving object motion and the motion indicated by the motion model, and a control unit. A control mode in which the control unit controls traveling of a host vehicle when the abnormality determination unit determines that the abnormality is present differs from a control mode in which the control unit controls the traveling of the host vehicle when the abnormality determination unit determines that the abnormality is absent.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Nobuhide KAMATA
  • Publication number: 20220120818
    Abstract: A battery capacity estimation system executes a charging and discharging process (S1), an alternating current impedance acquiring process (S2 and S3), and a battery capacity estimating process (S4 to S6). The charging and discharging process involves charging and discharging a target secondary battery. The alternating current impedance acquiring process involves acquiring a measurement result of an alternating current impedance of a target secondary battery, by applying an alternating current signal within a specific frequency range to the target secondary battery after completion of the charging and discharging in the charging and discharging process and before a predetermined maximum waiting time elapses. The battery capacity estimating step involves estimating a battery capacity of the target secondary battery based on the measurement result of the alternating current impedance.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiko MITSUI, Junta IZUMI, Juni YASOSHIMA
  • Publication number: 20220120576
    Abstract: A server includes a processor to acquire a current position of a moving body used by a user, a remaining battery level of a rechargeable battery of the moving body used by the user, and a first destination of the user, and in a case where a new second destination different from the first destination is input, set, for the moving body, a charging travelling route passing a charging path capable of charging the battery on a way from the current position to the second destination based on the remaining battery level.
    Type: Application
    Filed: August 4, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazuhiro SUGIMOTO, Kotoru SATO, Kumiko KATSUMATA, Shun OTA, Takahiro SUZUKI
  • Publication number: 20220122012
    Abstract: A controller of an information processing apparatus selects a plurality of second users as targets to whom a proposal regarding provision of a predetermined service is to be made, from a plurality of first users who are potential recipients of the predetermined service. Furthermore, the controller transmits a message proposing provision of the predetermined service to apparatuses that are each associated with respective one of the plurality of second users. Furthermore, the controller determines an upper limit number of the second users to be selected, based on an acceptance probability that is a probability of the second users accepting the proposal.
    Type: Application
    Filed: October 8, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hideo HASEGAWA
  • Publication number: 20220123630
    Abstract: A rotary electric machine rotor includes a rotor core and a core support member that supports the rotor core. The core support member includes a tubular portion formed in a tubular shape and a support portion supported so as to be rotatable with respect to a non-rotary member to support the tubular portion from the inner side in a radial direction. The core support member is formed such that a diameter of a fitting surface portion in a specific region, which includes an overlapping region which overlaps a connection region as viewed in the radial direction, is smaller than a diameter of the fitting surface portion in a general region which is a region other than the specific region.
    Type: Application
    Filed: January 28, 2020
    Publication date: April 21, 2022
    Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takeru MORITA, Shigeki IDEUE, Yuta WATANABE, Kenji DOZONO, Masashi IKEMURA, Toshihiko KAMIYA
  • Publication number: 20220123315
    Abstract: A lithium niobate with high lithium ion conductivity. Disclosed is a method for producing a lithium niobate for use in a covering layer covering at least part of a surface of cathode active material particles, the method comprising: preparing a solution containing niobium ions and lithium ions, drying the solution to obtain a lithium niobate precursor, and heating the lithium niobate precursor at a temperature of from 250° C. to 300° C. for a heating time of more than 0 minute and 10 minutes or less.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koichi Sugiura, Nariaki Miki, Kazuki Muraishi, Kengo Matsuo
  • Publication number: 20220122164
    Abstract: An apparatus, for a mobile object, that determines a bid-offer condition on an electricity transaction market: acquires information on sell-buy prices for an electricity amount presented by electricity demanders on direct transaction markets, where a contract is executed for electricity that the mobile object directly supplies to or procures from an electricity demander; determines, based on the sell-buy prices, an optimal condition that maximizes a profit from an electricity transaction for the mobile object; and determines, as the bid-offer condition, to place an offer or a bid on an electricity transaction market at a sell or buy price for a to-be-discharged or to-be-charged electricity amount that are determined for each time period in the optimal condition. The sell-buy prices for the electricity amount presented by the electricity demanders on the direct transaction markets are acquired through prediction, or notification from the individual electricity demanders.
    Type: Application
    Filed: September 9, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yuki KUDO, Kazuki OBATA
  • Publication number: 20220118971
    Abstract: A yaw angle return controller is configured to end first yaw angle return control at a predetermined time when a value which is calculated by adding yaw angle detected by a lane recognition device at a predetermined time and an estimated yaw angle change amount is the same as yaw angle at lane change start time under a state where the first yaw angle return control is being executed. The predetermined time comes after the first start time and before the first finish time. The estimated yaw angle change amount is calculated by multiplying the yaw rate detected by a yaw rate sensor at the predetermined time by a predetermined time period for foreseeing.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Shota FUJII
  • Publication number: 20220120331
    Abstract: A pendulum vibration damper in which raceway surfaces are processed accurately at desired positions to damp vibrations effectively by oscillating motions of rolling masses, and a manufacturing method thereof. The pendulum vibration damper comprises a first attachment and a second attachment formed symmetrically. A first raceway surface is formed on the first attachment, and a second raceway surface is formed on the second attachment. The first attachment and the second attachment are attached to each surface of the inertia body a while being positioned to align the first raceway surface and the second raceway surface with a predetermined common profile in the axial direction.
    Type: Application
    Filed: September 28, 2021
    Publication date: April 21, 2022
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yongjoo RYOO, Masayuki ISHIBASHI
  • Publication number: 20220118428
    Abstract: Provided is an exhaust gas purification device that allows improving an exhaust gas purification performance. An exhaust gas purification device of the present disclosure includes a substrate and a catalyst layer disposed on the substrate. The catalyst layer contains a porous carrier, a catalytic metal that is supported by the porous carrier and belongs to platinum group, an alkaline earth metal supported by the porous carrier, and an alkaline earth metal not supported by the porous carrier. At least a part of the alkaline earth metal supported by the porous carrier is supported inside the porous carrier.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 21, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATION
    Inventors: Isao Chinzei, Seiji NAKAHIGASHI, Takumi TOJO, Masahide MIURA, Noboyuki TAKAGI, Yoshiteru YAZAWA, Sho HOSHINO, Minoru ITO, Naoto FUJITA, Tomomasa AIKAWA
  • Publication number: 20220123769
    Abstract: A wireless communication control method suppresses interference using an MMSE weight in an environment of wireless communication where the number of transmission stations transmitting a signal to a receiving station is larger than the number of reception antennas of the receiving station. The receiving station calculates power of an interference signal included in a signal received by the receiving station from the transmission stations the number of which is larger than the number of reception antennas, the interference signal corresponding to a part by which the number of transmission stations exceeds the number of reception antennas. The receiving station calculates the MMSE weight depending on the power of the interference signal, recalculates the power of the interference signal using the MMSE weight, and recalculates the MMSE weight depending on the recalculated power of the interference signal.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kenichi TAKIZAWA, Masafumi MORIYAMA, Fumihide KOJIMA, Atsushi KUROSAWA
  • Publication number: 20220118992
    Abstract: An operation management apparatus includes a controller configured to determine, in a case in which a first vehicle that has been operated in accordance with a schedule specifying a point in time at which a circulating vehicle is to be replaced becomes inoperable, whether to operate a second vehicle that substitutes for the first vehicle until a replacement time specified by the schedule, the replacement time being a point in time at which the first vehicle is to be replaced.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi HIGASHIDE, Keiichi UNO
  • Publication number: 20220118984
    Abstract: In a method of creating a database for preview vibration damping control, road surface displacement-associated information detected by a detection device is acquired, positional information capable of identifying a position where the road surface displacement-associated information is detected is acquired, a road surface displacement-associated value associated with a vertical displacement of a road surface is calculated based on the road surface displacement-associated information, and a set of data obtained by linking the road surface displacement-associated value and the positional information with each other is stored into a storage device as part of a database. When it is determined that the magnitude of the road surface displacement-associated value exceeds a permissible reference value set in advance, the magnitude of the road surface displacement-associated value is corrected in a reducing manner, prior to the step of storing the set of data into the storage device.
    Type: Application
    Filed: September 3, 2021
    Publication date: April 21, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hiroki Furuta
  • Publication number: 20220120345
    Abstract: A selector unit includes a protruding portion and a dial member. The dial member is configured to be displaced between an initial position and a depressed position along an axial direction of the protruding portion, and to be rotationally operable in a circumferential direction when depressed to the depressed position. An offset angle at a rearward side when the dial member is at the initial position is greater than the offset angle at a forward side when the dial member is at the depressed position. The offset angle means an angle between an extended line obtained by extending an upper face of the protruding portion outwards in a radial direction and a tangential line in contact with both the upper face of the protruding portion and an upper face of the dial member, in a section including a rotation axis of the dial member.
    Type: Application
    Filed: September 14, 2021
    Publication date: April 21, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, SUBARU CORPORATION
    Inventors: Naoki Yamada, Haruhisa Tokunaga, Junya Ono, Naofumi Ota