Patents Assigned to JTEKT
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Patent number: 12202184Abstract: A device for assisting molding condition determination includes a molding state data adjustment amount obtaining unit and a molding condition element adjustment amount obtaining unit. The molding state data adjustment amount obtaining unit obtains, using a first learning model, a molding state data adjustment amount having a value equivalent to a difference between molding state data detected by a sensor and a molding state data target value. The molding condition element adjustment amount obtaining unit obtains, using a second learning model, an adjustment amount for a molding condition element corresponding to the molding state data adjustment amount.Type: GrantFiled: September 17, 2019Date of Patent: January 21, 2025Assignee: JTEKT CorporationInventors: Yusuke Okubo, Masaharu Hasuike, Toshiyuki Baba, Kouji Kimura
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Publication number: 20250020168Abstract: A recess is provided in the large-diameter annular portion of a cage of a tapered roller bearing. A first clearance between the large-diameter annular portion and the outer ring is smaller than a second clearance between the small-diameter annular portion and the outer ring. The large-diameter annular portion includes, in its outer periphery, a tilted surface whose diameter increases toward the other side in an axial direction. The tilted surface faces an inner peripheral surface of the outer ring.Type: ApplicationFiled: December 14, 2021Publication date: January 16, 2025Applicant: JTEKT CORPORATIONInventor: Youzou TANIGUCHI
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Publication number: 20250018994Abstract: A steering device that holds a steering member in such a manner that the steering member is movable between a first position where a driver can steer the steering member and a second position located closer to the front of a vehicle includes: a fixed member attached to a vehicle body; a movable member movably attached to the fixed member via a rail mechanism; a steering shaft attached to the movable member and rotatably holding the steering member; and a reaction force device attached to the movable member at a position non-coaxial with the steering shaft and configured to apply a reaction force to the steering shaft.Type: ApplicationFiled: September 12, 2022Publication date: January 16, 2025Applicant: JTEKT CORPORATIONInventors: Yasuyuki NOZAWA, Ryosuke YAMAGUCHI, Yoshihiro OONO, Ryoichi TOKIOKA
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Patent number: 12194537Abstract: There is provided an additive manufacturing device including a control device of controlling a relative posture of a heat retaining light beam irradiation device to a melting light beam irradiation device, in a state where a heat retaining light irradiation range of a heat retaining light beam larger than a melting light irradiation range of a melting light beam is overlapped with the melting light irradiation range, and such that a size of the heat retaining light irradiation range is changeable with respect to a size of the melting light irradiation range.Type: GrantFiled: May 26, 2021Date of Patent: January 14, 2025Assignee: JTEKT CORPORATIONInventors: Takashi Mizoguchi, Takaya Nagahama, Koichi Shiiba, Makoto Tano, Kohei Kato, Sho Hasegawa
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Patent number: 12195077Abstract: A steering column device includes a column shaft to which a steering wheel is fixed, and a steering column that rotatably supports the column shaft. The steering column includes a housing that is configured to be supported by a vehicle body, a column tube that is accommodated in the housing so as to be movable in an axial direction, and a contact pad that is disposed between the housing and the column tube. The contact pad is fixed to the column tube, and is also configured to press against the housing from an inner side.Type: GrantFiled: June 25, 2021Date of Patent: January 14, 2025Assignee: JTEKT CORPORATIONInventors: Takuya Suzuki, Hiroyuki Asakura, Yuka Ikeda, Kanki Doi
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Publication number: 20250010910Abstract: A steering control device is applied to a vehicle steering system for steering traveling of a vehicle. The steering control device includes a rudder angle control unit that executes a control in which a rudder angle variable obtained about the steering is referred to. The rudder angle control unit executes a control information setting process of setting control information that is a value indicating straight movement of the vehicle and that is a reference of the rudder angle variable. In the control information setting process, the rudder angle control unit enables a control to steer the traveling of the vehicle, by completing setting of the control information after an electric power source of the vehicle steering system is turned on.Type: ApplicationFiled: July 5, 2024Publication date: January 9, 2025Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Mika IKEYA, Kenichi Abe, Yuuta Kajisawa, Kazuma Hasegawa, Kaishi Monobe, Takashi Koudai, Masaharu Yamashita, Yosuke Yamashita, Kazuaki Ilda, Shintaro Takayama, Nobuyori Nakajima
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Publication number: 20250012649Abstract: A sensor device is configured to be penetrated by a shaft as a target to be detected. The sensor device includes a housing that includes a harness draw-out portion, and a sensor positioned in the housing. The sensor includes a sensor body and a harness to be drawn out of the sensor body via the harness draw-out portion. The housing includes a housing body that has an opening portion, and a cover that closes the opening portion. The harness draw-out portion includes a first draw-out portion provided in a peripheral wall of the housing body, and a second draw-out portion provided in a peripheral wall of the cover. The first draw-out portion and the second draw-out portion are configured to sandwich the entire circumference of a corresponding portion of the harness in a compressing manner.Type: ApplicationFiled: December 2, 2021Publication date: January 9, 2025Applicant: JTEKT CORPORATIONInventor: Toshio NONOYAMA
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Publication number: 20250010238Abstract: A CO2 recovery device (1) includes a reaction tank (10), a CO2 gas supply unit (41), and a CO2-removed gas discharge unit (42). The reaction tank (10) brings CO2 gas into contact with an aqueous alkali metal hydroxide solution or an aqueous alkaline earth metal hydroxide solution. The CO2 gas supply unit (41) supplies the CO2 gas into the reaction tank 10. The CO2-removed gas discharge unit (42) discharges CO2-removed gas, from which CO2 has been removed, from the reaction tank (10). The CO2 gas supply unit (41) and the CO2-removed gas discharge unit (42) are attached so as to be detachably attachable to the reaction tank (10).Type: ApplicationFiled: October 29, 2021Publication date: January 9, 2025Applicant: JTEKT CORPORATIONInventors: Kota NANRI, Toshiyuki SAITO
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Patent number: 12186899Abstract: An assist device includes: a first brace configured to be worn on at least a waist of a user; an arm configured to extend along a thigh of the user and to rotate with respect to the first brace; an actuator configured to generate torque that rotates the arm; and a second brace provided on the arm and configured to be worn on the thigh. The arm includes an arm body and a holding portion. The holding portion is provided on the arm body such that the holding portion is movable in a longitudinal direction of the arm body. The holding portion holds the second brace such that the second brace is rotatable.Type: GrantFiled: March 15, 2021Date of Patent: January 7, 2025Assignee: JTEKT CORPORATIONInventors: Yuki Kobayashi, Akihisa Umetani, Mitsuharu Ozaki
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Publication number: 20250002079Abstract: A vehicle includes vehicle devices configured to adjust a lateral movement amount of the vehicle, and a steering wheel lock mechanism. The vehicle devices include a front-wheel steering device and a remaining device that is a device other than the front-wheel steering device. When there is an anomaly in the front-wheel steering device, a vehicle control device switches a state of the steering wheel lock mechanism from a deactivated state to an activated state. The control device adjusts the amount of lateral movement of the vehicle by activating the remaining device when rotation of the steering wheel is disabled.Type: ApplicationFiled: September 22, 2022Publication date: January 2, 2025Applicants: ADVICS CO., LTD., J-QuAD DYNAMICS INC., DENSO CORPORATION, AISIN CORPORATION, JTEKT CORPORATIONInventor: Yosuke OHMORI
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Publication number: 20250002077Abstract: A steering control device includes a processor that controls a steering unit that uses a reaction force motor as a drive source. The processor is configured to execute an integrated rotation angle acquisition process of acquiring an integrated rotation angle that is an integrated value of the rotation angle of a steering shaft, based on a detection result of an angle sensor. The processor is configured to execute an abnormality determination process of determining whether an abnormality condition for detecting an abnormality of a stopper mechanism is satisfied, based on the integrated rotation angle. The abnormality determination process includes a process of determining that the abnormality condition is satisfied, when the processor is capable of determining that the integrated rotation angle is out of a regulatory rotation amount.Type: ApplicationFiled: June 21, 2024Publication date: January 2, 2025Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mika IKEYA, Kenichi ABE, Yuuta KAJISAWA, Kazuma HASEGAWA, Takashi KOUDAI, Kaishi MONOBE, Tomihide MASUDA, Masaharu YAMASHITA
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Publication number: 20250003451Abstract: A bearing device includes: an outer ring; an inner member including, a flange portion having a plurality of bolt holes and a tapped hole; and a plurality of balls arranged between the outer ring and inner member. The flange portion includes: thin portions located in a first region having a through hole extending through the first region in the axial direction and having no tapped hole and a second region having the tapped hole, the first and second regions each located between the bolt holes adjacent to each other in the circumferential direction; a first thick portion including regions around the bolt holes that are raised from the thin portions toward the other side in the axial direction; and a second thick portion that is a region around the tapped hole that is raised from the thin portion in the second region toward the other side in the axial direction.Type: ApplicationFiled: June 10, 2021Publication date: January 2, 2025Applicant: JTEKT CORPORATIONInventors: Yoshito TAKADA, Takanobu MURAKAMI
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Patent number: 12179853Abstract: A steering control device controls, as a target, a steering device including a steering actuator and a turning actuator that has a structure with a power transmission path cut off from the steering actuator. The steering control device includes a control unit. The control unit is configured to execute; turning-side synchronization control when the absolute value of a deviation amount is a value within a first range; steering-side synchronization control when the absolute value of the deviation mount is a value within a second range that is a larger value than a value within the first range; and at least one of the turning-side synchronization control and the steering-side synchronization control when the absolute value of the deviation amount is a value within a third range that is a value between a value within the first range and a value within the second range.Type: GrantFiled: June 1, 2022Date of Patent: December 31, 2024Assignee: JTEKT CORPORATIONInventors: Yoshiyuki Uchino, Isao Namikawa, Kenji Shibata, Takafumi Sato
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Publication number: 20240425108Abstract: A steering control device controls a steering system including a reaction force motor that gives a steering reaction force to a steering shaft and a turning motor that turns a turning wheel in a state where dynamic power transmission from the steering shaft is blocked. The steering control device includes a processor that executes a reaction force setting process and a reaction force giving process. In the reaction force setting process, the processor sets the steering reaction force using a predetermined-component reflecting process. In the reaction force giving process, the processor operates the reaction force motor such that the reaction force motor gives the steering reaction force set by the reaction force setting process.Type: ApplicationFiled: June 17, 2024Publication date: December 26, 2024Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroshi HOSONO, Terutaka TAMAIZUMI, Yuki INDEN, Naru TAKATA, Saki TAKAHASHI
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Publication number: 20240429708Abstract: A control circuit of a power supply device forms a state in which an auxiliary power supply is connected via a charge circuit to a main power supply when a power switch provided on a power feeding path is turned on. The control circuit calculates an internal resistance of the auxiliary power supply based on a charging current. The control circuit forms a state in which the power supply device is disconnected from the main power supply and a power feeding target, and only the auxiliary power supply and a boost circuit are connected to each other when the power switch is turned off. The control circuit disconnects the auxiliary power supply from the boost circuit when a terminal voltage of the auxiliary power supply is less than a stop determination threshold value.Type: ApplicationFiled: June 20, 2024Publication date: December 26, 2024Applicants: JTEKT CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroki NITTA, Tokuaki HIBINO, Daiki INABA, Kohei OTA, Yosuke YAMASHITA, Fumihiko SATO
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Patent number: 12172721Abstract: A vehicle control system for a steer-by-wire vehicle executes: driving assist control that assists driving of the vehicle; and conjunction reaction force control that applies a steering reaction force component to a steering wheel in conjunction with vehicle turning caused by the driving assist control. A driver turn angle is a target turn angle corresponding to a steering angle of the steering wheel, and a first system turn angle is a target turn angle required by the driving assist control. In the conjunction reaction force control, a second system turn angle is acquired by adjusting the first system turn angle according to a driver's steering intention such that the difference between the system turn angle and the driver turn angle becomes smaller. Then, a steering reaction force component is applied in a direction of reducing a difference between the driver turn angle and the second system turn angle.Type: GrantFiled: May 3, 2022Date of Patent: December 24, 2024Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, JTEKT CORPORATIONInventors: Kosuke Akatsuka, Yoshio Kudo, Junya Miyake
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Patent number: 12171202Abstract: A rearing apparatus for rearing an organism includes: a box-shaped rearing case; at least one perching member that is held in the rearing case and for perching the organism; and a separating member that is provided in the rearing case and that is movable along the perching member. The separating member is configured to separate the organism perched at the perching member from the perching member by the separating member moving along the perching member.Type: GrantFiled: February 26, 2021Date of Patent: December 24, 2024Assignee: JTEKT CORPORATIONInventors: Shigekazu Kawai, Yasuhiro Murata, Takashi Matsumoto, Takahito Watanabe, Taro Mito
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Publication number: 20240418222Abstract: A rolling bearing includes: an outer ring; an inner ring; a plurality of rolling elements arranged between the outer ring and the inner ring; and an electrically conductive annular member attached to an axial end of the outer ring, the annular member separating a bearing internal space where the rolling elements are located from a bearing external space that is outside the bearing internal space in an axial direction. The annular member includes an electrically conductive elastic lip portion that contacts the inner ring. An oil channel connecting the bearing internal space and the bearing external space is provided in the annular member.Type: ApplicationFiled: December 7, 2021Publication date: December 19, 2024Applicant: JTEKT CORPORATIONInventors: Yasuhiko ISHII, Hirofumi DODORO, Kenichi ISEDA
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Publication number: 20240416991Abstract: A motor control device includes: an assist torque command value generation unit that generates an assist torque command value using steering torque; a manual steering command value generation unit that generates a manual steering command value using the steering torque and the assist torque command value; an integrated angle command value calculation unit that calculates an integrated angle command value by adding the manual steering command value to an automatic steering command value for driving assist; and a switching unit that switches between a first control mode in which an electric motor is controlled based on the assist torque command value or the manual steering command value and a second control mode in which the electric motor is controlled based on the integrated angle command value according to a lateral position of a vehicle with respect to a lane in a driving assist mode.Type: ApplicationFiled: May 12, 2022Publication date: December 19, 2024Applicant: JTEKT CORPORATIONInventors: Syouma EDAMOTO, Tsutomu TAMURA, Robert FUCHS, Mitsuko YOSHIDA
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Publication number: 20240421670Abstract: A motor device includes a motor and a motor control device. The motor control device includes a board attached to an end portion of the motor, and a cover that covers the board. The motor has a motor body and a connector assembly. The board has an extending portion that overlays the connector assembly. The extending portion has terminal connecting portions to which terminals, held by the connector assembly, are connected. The cover has a first projecting portion that projects from an inner face of the end wall thereof toward the board. The first projecting portion comes into contact with a region of the board adjacent to the terminal connecting portions before the terminal comes into contact with the end wall of the cover, when the end wall of the cover is deflected in a direction closer the board.Type: ApplicationFiled: November 24, 2021Publication date: December 19, 2024Applicant: JTEKT CORPORATIONInventor: Yuto SATO