Patents Assigned to Aisin Aw Co., Ltd.
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Publication number: 20200149610Abstract: An element of a transmission including: a rocking edge portion with a convex surface formed on one of a front face and a rear face, so that the rocking edge portion extends over a pillar portion at least partially, the rocking edge portion having a contact line where the adjacent elements contact each other serves as a fulcrum of rotation of the adjacent elements; and a recessed non-contact portion extends along the saddle surface, to avoid contact with the adjacent element, and that divides the rocking edge portion in the width direction at least partially. A depth of the non-contact portion is set so that an end portion of the non-contact portion is positioned on an inner peripheral side of the transmission belt relative to the contact line when a winding radius is minimized, and the end portion does not reach the trunk portion on the inner peripheral side.Type: ApplicationFiled: August 1, 2018Publication date: May 14, 2020Applicant: AISIN AW CO., LTD.Inventors: Akira OCHI, Takayuki MIYAKE
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Publication number: 20200153310Abstract: A vehicle electric motor including: a tubular-shaped stator core constituted by electromagnetic steel sheets that are laminated on each other; a rotor disposed inside the stator core so as to be rotated about an axis; and a housing storing therein the tubular-shaped stator core and the rotor, and including a circumferential wall and axially opposite end walls that are opposed to each other in a direction parallel with the axis. The stator core is fixed at one of its axially end portions to one of the axially opposite end walls of the housing. The housing includes a stator-core-inclination restraining portion that protrudes from an inner circumferential surface of the circumferential wall of the housing toward a part of an outer circumferential surface of the stator core, wherein the part is located on a side of the other of the axially end portions of the stator core.Type: ApplicationFiled: October 23, 2019Publication date: May 14, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Motoki TAKENO, Yoshitada YAMAGISHI, Katsuhide KITAGAWA, Masaki MORI, Taketo TAKEUCHI
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Patent number: 10648556Abstract: A shift-by-wire type control device whose control target is an automatic transmission including a parking lock mechanism, the shift-by-wire type control device includes an electronic control unit that controls the automatic transmission in response to an instruction to select a shift range when selection of the shift range based on an operation on a to-be-operated part is performed.Type: GrantFiled: September 21, 2017Date of Patent: May 12, 2020Assignee: AISIN AW CO., LTD.Inventors: Makoto Iwanaka, Yukiyasu Sukenari
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Patent number: 10648560Abstract: A lock shaft and a shaft member (a plunger and a permanent magnet) of a magnetic locking device are arranged such that a moving direction thereof is orthogonal to a moving direction of a piston rod of a hydraulic actuator. In a parking lock released state, when the coil is not energized, the lock shaft and the shaft member are locked by an attracting force between the permanent magnet and a flange of a yoke so as not to move back from the piston rod, and, when the coil is energized, the attracting force between the permanent magnet and the flange is canceled, so that the lock shaft and the shaft member are allowed to move back from the piston rod.Type: GrantFiled: October 23, 2014Date of Patent: May 12, 2020Assignee: AISIN AW CO., LTD.Inventors: Takahiro Kokubu, Masaya Nakai, Tomonari Okamoto, Eikichi Kidokoro, Kenichi Naka, Tadamasa Takei, Junichi Terai
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Patent number: 10647202Abstract: When a boost converter has an abnormality, a battery-less traveling is executed by shutting off a gate of the boost converter and setting a voltage command VH* of a capacitor (high-voltage-system electric power line) to a predetermined voltage VHset higher than a battery voltage VB. Then, during the execution of the battery-less traveling, when it is determined that a charging current has flowed through a battery or when it is determined that the voltage (high-voltage-system voltage) VH of the capacitor has approached the battery voltage VB, it is determined that an upper arm of the boost converter has been short-circuited.Type: GrantFiled: November 29, 2017Date of Patent: May 12, 2020Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.Inventors: Yukimasa Nishimura, Kazuhiro Oka, Yoshizo Akita
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Patent number: 10651700Abstract: In this rotating electrical machine, each of coil centers of a first concentric coil and a third concentric coil is located on one side in a circumferential direction with respect to a center of a magnetic pole, and each of coil centers of a second concentric coil and a fourth concentric coil is located on the other side in the circumferential direction with respect to the center of the magnetic pole.Type: GrantFiled: March 24, 2016Date of Patent: May 12, 2020Assignee: AISIN AW & CO., LTD.Inventor: Kiyotaka Koga
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Publication number: 20200141469Abstract: A vibration damping device includes a support member that rotates, together with a rotary element to which torque from an engine is transmitted, about a center of rotation of the rotary element, a restoring force generation member that is coupled to the support member to transmit torque to and receive torque from the support member and that is swingable along with rotation of the support member, and an inertial mass body that is coupled to the support member via the restoring force generation member and that swings about the center of rotation in conjunction with the restoring force generation member along with rotation of the support member. The support member is disposed between at least a part of the restoring force generation member and at least a part of the inertial mass body in an axial direction.Type: ApplicationFiled: August 9, 2018Publication date: May 7, 2020Applicant: AISIN AW CO., LTD.Inventors: Yoichi OI, Takao SAKAMOTO, Kazuhiro ITOU, Masahiko KOBAYASHI
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Publication number: 20200141493Abstract: A seal structure between an oil outlet formed in a first case and an oil inlet formed in a second case and having an end face facing an end face of the oil outlet with a clearance between the end faces, the seal structure including an annular first seal disposed in an increased-diameter hole, which is formed on an outlet side or an inlet side of an oil passage in one of the oil outlet and the oil inlet and has a larger diameter than the oil passage, such that the first seal contacts a step surface located at a boundary between the oil passage and the increased-diameter hole; and an annular second seal harder than the first seal and disposed in the increased-diameter hole such that the second seal contacts the first seal and the end face of the other of the oil outlet and the oil inlet.Type: ApplicationFiled: December 27, 2017Publication date: May 7, 2020Applicants: AISIN AW CO., LTD., NOK CORPORATIONInventors: Daisuke AKAFUJI, Kazuya KAWAMURA, Toru ARAKI, Shinji ONISHI, Yuji OTSUKA
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Patent number: 10641383Abstract: A control apparatus includes a shifting delay control portion configured to delay a moment of generation of a shift-down command to implement a power-on shift-down action of the step-variable transmission, with respect to a moment of determination to implement the power-on shift-down action, for thereby reducing a shifting shock of the step-variable transmission in the process of the power-on shift-down action. The shifting delay control portion adjusts a delay time from the moment of determination to implement the power-on shift-down action to the moment of generation of the shift-down command, on the basis of at least one of an output state of the drive power source; an inertia power required in the process of the power-on shift-down action; a consumption power to be consumed by the coupling devices; and a state of a battery to and from which an electric power is respectively supplied from and to the motor/generator.Type: GrantFiled: August 6, 2018Date of Patent: May 5, 2020Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Shun Sato, Masato Yoshikawa, Nobufusa Kobayashi, Daisuke Suyama, Kazuomi Okasaka, Atsushi Kayukawa, Mitsuru Maeda
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Patent number: 10641266Abstract: A transfer device that includes a case that houses a transfer mechanism; a strainer that suctions oil stored in a lower portion of the case; a valve body that has a hydraulic supply circuit that supplies a hydraulic pressure to the transfer mechanism and a suction oil path that discharges an extra hydraulic pressure that is extra for the hydraulic supply circuit; a first suction inlet that communicates with one of the suction oil path and the strainer and a second suction inlet that communicates with the other of the suction oil path and the strainer, and a balanced vane pump.Type: GrantFiled: January 6, 2016Date of Patent: May 5, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Mitsuhiro Takeda, Yoshihiro Mizuno, Tetsuya Kohno, Yoshinobu Soga, Syuji Moriyama, Hiromitsu Nitani, Takafumi Inagaki
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Patent number: 10640059Abstract: A drive device includes: a first current path that has a high-side MOSFET; a second current path that has a low-side MOSFET; and a third current path connected to the other end portion of a coil and positioned between the first current path and the second current path. The drive device further includes: PWM drive circuits that generate a drive signal through PWM control; and an overcurrent detection circuit that detects that an overcurrent has flowed through the current paths. It is possible to precisely detect the occurrence of a battery short circuit and a ground short circuit by detecting which of the first current path and the second current path an overcurrent has flowed through.Type: GrantFiled: July 7, 2016Date of Patent: May 5, 2020Assignee: AISIN AW CO., LTD.Inventor: Kento Yamashita
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Publication number: 20200132160Abstract: A driving belt that can limit damages on a hoop and elements. A boss projecting from a front surface of the element is inserted into a hole formed on a rear surface of the fellow adjacent element to form an element array, and the element array is fastened by a hoop. A radially inner clearance between a leading edge of the boss of the element and the hole of the fellow adjacent element in the radial direction is set wider than a radially outer clearance between the leading edge of the boss of the element and the hole of the fellow adjacent element in the radial direction, within a straight region of the driving belt between the pulleys.Type: ApplicationFiled: October 18, 2019Publication date: April 30, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Yu INASE, Keisuke NINOMIYA, Yuji HATTORI, Yuji NAGASAWA, Akira OCHI, Wataru ISHIHARA, Junichi TOKUNAGA
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Publication number: 20200136484Abstract: A rotating electric machine includes a rotor and a stator. The rotor includes a plurality of rotor portions provided by circumferentially dividing the rotor. The rotor portions are each movable radially outward. The rotating electric machine is structured such that the rotor portions each move radially outward so as to increase a radial gap between the rotor and the stator.Type: ApplicationFiled: December 21, 2017Publication date: April 30, 2020Applicant: AISIN AW CO., LTD.Inventors: Tsuyoshi MIYAJI, Naoto SAITO
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Publication number: 20200132190Abstract: Provided is a power transmission control device capable of reliably performing engagement between an engagement member and a target engagement member, by operating the engagement member to slide by an actuator having an elastic member deformed by transmitting a load received by the engagement member. An actuator has an elastic member, and a control unit calculates the differential rotation between an engagement member and target engagement members on the basis of the detected rotation speeds of a first rotation shaft and a second rotation shaft, and makes differential rotation coincide with a predetermined differential rotation by adjusting the rotation speed of power sources. After the differential rotation coincides with the predetermined differential rotation, in establishing the engagement, the predetermined differential rotation sets the differential rotation on the basis of a natural frequency generated in conjunction between the actuator and the engagement member by the elastic member.Type: ApplicationFiled: December 27, 2017Publication date: April 30, 2020Applicant: AISIN AW CO., LTD.Inventors: Hideto MANTA, Mitsutoshi KAMIYA
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Publication number: 20200132187Abstract: A hydraulic control unit of a vehicle drive system including an automatic transmission, and an oil pump device, includes: a first electromagnetic valve; a second electromagnetic valve; first and second oil passages; a third oil passage; a manual valve operated to connect and disconnect the first and third oil passages and a drain oil passage to and from each other, in response to an operation of a manually operated shifting device by a vehicle operator, such that the first oil passage is connected to the third oil passage when the shifting device is placed in a first operating position, while the first oil passage is connected to the drain oil passage when the shifting device is placed in a second operating position; an accumulator connected to the first oil passage; and a check valve provided in the second oil passage.Type: ApplicationFiled: October 29, 2019Publication date: April 30, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTDInventors: Daiki KOYAMA, Yusuke Ohgata, Yoshinobu Soga, Shuji Moriyama, Hiromitsu Nitani, Tetsuya Yamamoto, Kenichi Tsuchida, Takahiro Kokubu, Toshiaki Hayashi, Koji Makino, Yuta Seriguchi
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Publication number: 20200122600Abstract: An electronic control device including a first power supply path that supplies power from a battery for in-vehicle use through an electric power supply terminal, to a load; a first disconnecting part in the first power supply path and performs connection/cutoff of the first power supply path; a second power supply path that supplies power from the battery for in-vehicle use, to a control part that controls the first disconnecting part, through a control power supply terminal and a power supply IC; a third power supply path that supplies power from the control power supply terminal, to a connecting point between the first disconnecting part and the load in the first power supply path from a point between the control power supply terminal and the power supply IC in the second power supply path; a second disconnecting part that is provided in the third power supply path and performs connection/cutoff of the third power supply path; and a detecting part that detects a voltage in the first power supply path.Type: ApplicationFiled: April 6, 2018Publication date: April 23, 2020Applicant: AISIN AW CO., LTD.Inventor: Yusuke YAMAMOTO
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Patent number: 10626985Abstract: A hydraulic control device that includes a second solenoid valve that is capable of supplying a resisting pressure that maintains the switching valve in the non-reverse state against the reverse range pressure, wherein the switching valve is maintained in the non-reverse state by supplying the resisting pressure from the second solenoid valve while a travel range is switched to at least a reverse range during forward travel.Type: GrantFiled: November 21, 2016Date of Patent: April 21, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuharu Asai, Makoto Sawada, Kyohei Suzumura, Mitsuhiro Fukao, Kenichi Tsuchida, Yoshimitsu Hyodo, Toshiaki Hayashi, Fumiaki Aikawa, Yuta Seriguchi, Syuji Moriyama, Yoshinobu Soga, Hiromitsu Nitani
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Patent number: 10626989Abstract: A hydraulic control device where the engagement pressure which is supplied from the first solenoid valve is supplied to the synchronization mechanism in the case where the signal pressure is not supplied to the switching valve, and the engagement pressure which is supplied from the first solenoid valve is supplied to the engagement element and the source pressure is supplied to the synchronization mechanism as the engagement pressure in the case where the signal pressure is supplied to the switching valve.Type: GrantFiled: July 14, 2015Date of Patent: April 21, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kenichi Tsuchida, Toshiaki Hayashi, Masafumi Takasu, Yuta Seriguchi, Masashi Takizawa, Syuji Moriyama, Takafumi Inagaki, Yoshinobu Soga, Yoshihiro Mizuno, Hiromitsu Nitani
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Publication number: 20200118433Abstract: A drive assistance system receives predicted future actions taken by each of a vehicle and another vehicle, based on vehicle information obtained by each of the vehicle and the other vehicle, determines, based on the predicted future actions by the vehicle and the other vehicle, whether the future action by the other vehicle influences the future action by the vehicle; and transmits information causing display of the future action by the other vehicle having been determined to influence the future action by the vehicle, such that the future action by the other vehicle is caused to be displayed superimposed on a real viewType: ApplicationFiled: March 20, 2018Publication date: April 16, 2020Applicant: AISIN AW CO., LTD.Inventor: Takamitsu SAKAI
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Patent number: 10622872Abstract: A conductor shaping apparatus with first and second shaping dies that are movable toward and away from each other along a first direction, and that are moved toward each other to shape the at least one first bent portion and the at least one second bent portion, wherein one of the first and second shaping dies is configured to be moved away from the other along a second direction that is different from the first direction such that the conductor is not dragged when the first and second shaping dies are moved away from each other along the first direction after shaping of the first and second bent portions is completed.Type: GrantFiled: November 13, 2014Date of Patent: April 14, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shingo Hashimoto, Katsuya Ito, Takanori Ota, Daisuke Matsuo, Mizuki Igarashi, Norihiko Akao, Hirotaka Kawaura, Hisayuki Kobayashi, Hiroharu Sugiura