Patents Assigned to Kabushiki Kaisha Toyota Jidoshokki
  • Publication number: 20240083349
    Abstract: A sensor and indicator light mounting structure comprising: a single sensor configured to observe an obstacle by emitting an emission wave to an area around a vehicle body of a cargo handling vehicle and receiving a reflection of the emission wave; a single indicator light configured to notify a person around the vehicle body of a presence of the cargo handling vehicle; and a mounting member configured to mount the sensor and the indicator light on the vehicle body, wherein the mounting member is configured to be disposed on an upper surface of the vehicle body, the sensor and the indicator light vertically overlap each other to be mounted on the mounting member, and the indicator light is arranged below the sensor.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 14, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hiroki MORI, Tadayuki YAKUSHI
  • Publication number: 20240068470
    Abstract: An electric compressor includes: a compression part; an electric motor; an inverter; a housing including a plurality of housing forming members made of metal; a seal member that has an insulation property and is provided between the housing forming members adjacent to each other; and a potential equalization member that is made of metal and is in contact with both the adjacent housing forming members to equalize potentials of the adjacent housing forming members. The adjacent housing forming members include mating surfaces, respectively. An insertion hole is formed in one of the mating surfaces of the adjacent housing forming members, at a position in which the seal member is not provided. The potential equalization member includes an insertion portion inserted into the insertion hole, and a contact portion that is a plate portion extending in a gap between the mating surfaces and is in contact with both the mating surfaces.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 29, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Ken NAMIKI, Takuro Yamashita, Takumi Maeda, Akinori Tanabe, Takafumi Konishi, Takahiro Suzuki, Yoshitaka Saito
  • Publication number: 20240072282
    Abstract: The present disclosure stabilizes power generation of a fuel cell stack in an environment in which an oxygen concentration in a fuel cell system readily decreases. In a case where it is detected that the oxygen concentration is lower than a predetermined concentration or where a phenomenon caused by the oxygen concentration being lower than the predetermined concentration is detected, processing to increase a flow rate of air supplied to the fuel cell stack or processing to ventilate the interior of the fuel cell stack by controlling an operation of a ventilation unit is performed.
    Type: Application
    Filed: August 23, 2023
    Publication date: February 29, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Naoya TOMIMOTO, Yosuke KAKIMI, Ken NAKAMURA, Katsuyuki TACHIKAWA, Wataru AKIMOTO
  • Patent number: 11905954
    Abstract: An electric pump includes a housing that includes a gear chamber, a rotor chamber, and a motor chamber. The electric pump includes a first seal member, a second seal member, and a third seal member. The first seal member seals a space between the gear chamber and the rotor chamber. The second seal member seals the space between the gear chamber and the rotor chamber. The third seal member seals a space between the gear chamber and the motor chamber. The third seal member seals the space between the gear chamber and the motor chamber to a lesser extent than the first seal member and the second seal member seal the space between the gear chamber and the rotor chamber.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: February 20, 2024
    Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, NOK CORPORATION
    Inventors: Tatsushi Mori, Shintaro Kashiwa, Daisuke Masaki, Kenichi Yoshimura
  • Patent number: 11909017
    Abstract: A power storage device includes a plurality of laminated power storage modules, a flow path member disposed in contact with the power storage modules and having flow paths for allowing a cooling medium to flow along a first direction intersecting a laminating direction of the power storage modules, a pair of restraining plates disposed to sandwich the power storage modules and the flow path member in the laminating direction, fastening members applying a restraining load to the power storage modules and the flow path member via the pair of restraining plates by fastening the restraining plates to each other, and a lead-in duct disposed at one end portion of the flow path member in the first direction and leading the cooling medium into each of the flow paths.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: February 20, 2024
    Assignees: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hirokazu Kotake, Takafumi Yamasaki, Tsuyoshi Mariya, Daiki Terashima, Satoshi Morioka, Yusuke Hase, Motoyoshi Okumura
  • Patent number: 11909064
    Abstract: A pressure control valve structure includes a wall portion having a plurality of communication holes communicating with their associated internal spaces, a plurality of projections protruding outwardly from a wall surface of the wall portion so as to surround their associated communication holes, a plurality of elastic valve bodies closing their associated communication holes in contact with the projections, an outer peripheral wall portion protruding from the wall surface so as to surround the plurality of projections collectively, and a cover made of a resin and fixed to the outer peripheral wall portion, the cover compressing the elastic valve bodies towards their associated projections. The cover has a thick-walled portion where the cover is made partially thick in an outer surface of the cover.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: February 20, 2024
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Satoshi Hamaoka, Taku Inoue, Hiromi Ueda
  • Publication number: 20240055783
    Abstract: A power storage device includes a terminal cover mounted in a terminal base. The terminal cover includes a base portion attached to the terminal base, cover the terminal base, and have an opening exposing a terminal bolt; and a cover portion attached to the base portion and covering at least the opening. The base portion has a first wall and a second wall protruding in a second direction from the base portion and facing each other with a wiring sandwiched therebetween.
    Type: Application
    Filed: June 8, 2023
    Publication date: February 15, 2024
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takuro AONUMA, Hiromi UEDA, Shigeru FUKUDA, Kazuki MAEDA, Naoto MORISAKU
  • Publication number: 20240056016
    Abstract: An electric motor device includes an electric motor, an inverter, a noise reducer, a control unit, and a metal housing. The controller controls switching elements using a PWM signal generated from a voltage instruction value and a carrier frequency. The control unit includes a calculation portion that calculates a modulation factor of the voltage instruction value and a setting portion that sets the carrier frequency in accordance with the modulation factor. The carrier frequency set by the setting portion is higher when the modulation factor is less than a predetermined modulation factor than when the modulation factor is greater than or equal to the predetermined modulation factor.
    Type: Application
    Filed: August 4, 2023
    Publication date: February 15, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Takuya NARUSE, Shunsuke AMBO, Takashi OGAMI
  • Publication number: 20240052197
    Abstract: A coating agent includes a film-forming component containing a component A consisting of a urethane (meth)acrylate having an isocyanuric ring skeleton, a component B consisting of a tri(meth)acrylate having an isocyanuric ring skeleton and having no urethane bond, a component C consisting of a multi-functional (meth)acrylate having a (meth)acrylic equivalent of 80 to 200, and a component D consisting of a urethane (meth)acrylate that has a polycarbonate skeleton, two to four polymerizable unsaturated groups per molecule, and a weight average molecular weight of 10,000 or less, and a component E consisting of a photoradical polymerization initiator. The content of the component E is 0.1 parts by mass or more and 10 parts by mass or less based on 100 parts by mass of the total film-forming component.
    Type: Application
    Filed: September 9, 2021
    Publication date: February 15, 2024
    Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, KANSAI PAINT CO., LTD.
    Inventors: Hidenori MUNEKATA, Motoshige ISOBE, Ken NODA, Kota GOTO, Naoko AGARI
  • Publication number: 20240052819
    Abstract: A motor-driven compressor for a vehicle includes a control device and a detection circuit. The detection circuit includes an AD conversion circuit. The AD conversion circuit converts an on-voltage from an analog signal to a digital signal. The control device is configured to determine that a battery is in an overvoltage state and stop the motor-driven compressor for the vehicle when a value of the on-voltage detected from the digital signal is larger than an overvoltage determination threshold value.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 15, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hiroki ISHIHARA, Katsuya USAMI, Atsushi OSHIMA, Satoshi OKADA, Yoshifumi TADA, Takuya SAGAWA
  • Publication number: 20240055665
    Abstract: A power storage device includes a first electrode including a first active material layer formed on a first surface, a second electrode including a second active material layer formed on a first surface, a separator, and a spacer. The first active material layer has a longitudinal side of a first length. The second area has a second length between the spacer and the first active material layer. A ratio of the second length to the first length is 0.02 or less. At least one of corners of the first active material layer has a shape chamfered in an arc shape. A radius of curvature at a portion of the corner having a maximum curvature is 5 mm or more.
    Type: Application
    Filed: October 14, 2021
    Publication date: February 15, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Yuki OKAMOTO, Yoshikatsu KAWABATA, Masaki INOUE
  • Patent number: 11901829
    Abstract: A power converter includes an alternating-current-side circuit, a direct-current-side inductor, an alternating-current-side inductor, a direct-current-side circuit, a controlling unit, a transformer, a direct-current-side capacitor, and an alternating-current-side capacitor. The alternating-current-side circuit includes an alternating-current-side buffer circuit and a bridge circuit, and is connected to an alternating-current-side winding of the transformer via the alternating-current-side capacitor. The direct-current-side circuit includes a direct-current-side buffer circuit and a rectification switching element, and is connected to a direct-current-side winding of the transformer via the direct-current-side capacitor. The controlling unit controls switching of the switching elements.
    Type: Grant
    Filed: September 6, 2022
    Date of Patent: February 13, 2024
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventor: Sadanori Suzuki
  • Patent number: 11892480
    Abstract: A voltage detection unit includes a voltage detection terminal including a first portion configured to be conductively connected to a detection target and a second portion, a housing having a plate shape and including a terminal accommodating concave configured to accommodate the voltage detection terminal, a cover configured to be engaged with the housing at a temporary locking position at which the cover does not cover the first portion of the voltage detection terminal accommodated in the terminal accommodating concave and at a final locking position at which the cover covers the first portion and an electric wire conductively connected to the voltage detection terminal at the second portion and configured to, when the voltage detection terminal is accommodated in the terminal accommodating concave, be drawn out from the housing.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: February 6, 2024
    Assignees: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Yutaro Okazaki, Shinichi Yanagihara, Satoshi Morioka, Motoyoshi Okumura, Hiromi Ueda, Naoto Morisaku, Motoo Nojima, Ryosuke Murata
  • Patent number: 11890992
    Abstract: A vehicle electric fluid machine includes: a housing provided with a mounting leg; a fastener having a shaft portion and a head portion at one end of the shaft portion, the fastener fastening the other end of the shaft portion to a mounting object; a sleeve disposed between the mounting leg and the shaft portion; elastic vibration dampers each having a cylindrical portion and a collar extending from one of opposite ends of the cylindrical portion in its radial outward direction; and an annular plate through which a fastening force is applied to the mounting leg. The annular plate has an elongated protrusion protruding toward the mounting leg, the elongated protrusion spaced from the collar with a predetermined clearance formed radially outside the collar. A deformation limit of the collar is defined by the elongated protrusion being in contact with the collar.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: February 6, 2024
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Ryuji Watanabe, Suehiro Fukazawa, Noritaka Nishimori, Takayuki Kato
  • Publication number: 20240039351
    Abstract: A rotor of a rotating electrical machine includes a cylindrical member; a magnetic material disposed inside the cylindrical member; a shaft member disposed on at least one of opposite ends of the cylindrical member in an axial direction of the cylindrical member and fixed to an inner peripheral surface of the cylindrical member with the shaft member located adjacent to the magnetic material in the axial direction of the cylindrical member; and a welding portion via which the cylindrical member and the shaft member are welded together. The shaft member has a fitting portion that is press-fitted onto the inner peripheral surface of the cylindrical member. The fitting portion is located closer to the magnetic material than to the welding portion. The welding portion is spaced from the fitting portion in the axial direction.
    Type: Application
    Filed: November 12, 2021
    Publication date: February 1, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventor: Yoshihiro KATAGIRI
  • Patent number: 11889668
    Abstract: A DC/DC converter includes a metal case, a power converter accommodated in the case, a substrate, and a temperature sensor mounted on a surface of the substrate. The case includes a bottom wall, a side wall extending from the bottom wall, a boss, and a coupling portion. The coupling portion couples the side wall to the boss. The coupling portion extends from the bottom wall along an axis of the boss and along a surface of the side wall. The temperature sensor is arranged to face the coupling portion.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: January 30, 2024
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Ryoto Tsuchiya, Masayoshi Kobayashi, Tatsuya Goto, Kazuji Yamazaki
  • Patent number: 11888359
    Abstract: A motor-driven compressor includes a compression portion, an electric motor, an inverter, and a metal housing. The inverter includes three-phase switching elements and a plastic holder that retains the three-phase switching elements. The housing includes a thermal radiation surface. The holder includes a metal spring. The holder is fixed to the housing using two fasteners. The three-phase switching elements are laid out between the two fasteners. The switching elements at opposite ends of the three-phase switching elements are pressed toward the thermal radiation surface by only the holder. The switching element at the middle of the three-phase switching elements is pressed toward the thermal radiation surface by the holder and the spring.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: January 30, 2024
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Koki Shinohara, Junya Yano, Yusuke Kinoshita, Kenji Momma
  • Publication number: 20240026921
    Abstract: A foil bearing includes a bearing housing, a top foil, and a bump foil. The bump foil has: a first portion, a second portion, and a third portion disposed at least between the first portion and the second portion and configured to come in contact with the top foil. The top foil applies a load to the second portion with displacement of the top foil in a radially outward direction of the bearing housing. The third portion is not in contact with the top foil when the load is equal to or lower than a predetermined load, and is in contact with the top foil with elastic deformation of the second portion when the load is higher than the predetermined load. The first portion is in surface contact with the inner peripheral surface.
    Type: Application
    Filed: July 13, 2023
    Publication date: January 25, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Fumiya SHINODA, Fumihiro SUZUKI
  • Publication number: 20240030833
    Abstract: An inverter including two switching elements of an inverter circuit connected in series to each other, drivers configured to respectively drive switching elements, and protection circuits each configured to transmit an output signal of the driver to each of the switching elements via a first resistor element. The protection circuit includes a second resistor element arranged to be electrically connectable in parallel to a first resistor element and a switch configured to switch between a first state in which electrical parallel connection of the second resistor element to the first resistor element is enabled and a second state in which the connection is cancelled. The protection circuit is configured to determine whether a short-circuit current has been generated in a first pattern or a second pattern and switch the switch to the first state in a case of determining that the short-circuit current of the second pattern has been generated.
    Type: Application
    Filed: July 10, 2023
    Publication date: January 25, 2024
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventor: Yusuke SHINTANI
  • Patent number: D1014436
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: February 13, 2024
    Assignees: YAZAKI CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Satoshi Morioka, Motoyoshi Okumura, Hiromi Ueda, Naoto Morisaku, Yutaro Okazaki, Shinichi Yanagihara