Patents Assigned to Aisin Aw Co., Ltd.
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Publication number: 20200295696Abstract: A rotary electric machine control device that performs drive control on an AC rotary electric machine using an inverter that converts power between DC power and AC power through pulse width modulation based on a carrier frequency, the rotary electric machine control device including: an electronic control unit that is configured to vary the carrier frequency such that the carrier frequency becomes higher as a rotational speed of the rotary electric machine becomes higher so that carrier sideband frequencies, which are frequencies of sideband waves that appear on higher and lower sides of a center frequency that is set in accordance with the carrier frequency, are not included in a frequency band prescribed in advance.Type: ApplicationFiled: March 27, 2018Publication date: September 17, 2020Applicant: AISIN AW CO., LTD.Inventors: Masayuki TAKENAKA, Takuro IWASE, Akiya KUME, Shoji NAGATA, Yasuyuki SATO
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Patent number: 10775193Abstract: There is provided a technique for reducing the frequency of a user feeling annoyed. A map display system includes: a map display part that displays a map on a display; an icon display control part that selects a type of icons to be displayed from among a plurality of types based on a number of the icons displayed on the map, and displays ground objects by the icons of the selected type on the map; and an icon selection control part that allows or prohibits a change in the type of icons selected by the icon display control part, and prohibits, when scrolling of the map is performed, a change in the type of icons before and after the scrolling.Type: GrantFiled: May 23, 2017Date of Patent: September 15, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuya Ueda, Kazunori Watanabe
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Publication number: 20200282832Abstract: Display devices and programs display a guide image on a display mounted on a vehicle so as to be visually recognized such that the guide image is superimposed on a view ahead of the vehicle. The guide image provides guidance about a travel direction of the vehicle that travels on a travel path after leaving a guide branch point. The devices and programs display the guide image in a manner such that a region overlapping a nearby object present on a near side of the travel path on which the vehicle travels is removed from the guide image.Type: ApplicationFiled: June 27, 2018Publication date: September 10, 2020Applicant: AISIN AW CO., LTD.Inventors: Kenji WATANABE, Hiroyuki MIYAKE, Josaku NAKANISHI
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Publication number: 20200282828Abstract: A vehicle driving apparatus including: a rotating electrical machine that acts as a source of driving force for a first wheel and a second wheel; a speed reduction device that reduces a speed of rotation of the rotating electrical machine; a differential gear device that distributes, to the first wheel and the second wheel, the driving force transmitted from the rotating electrical machine via the speed reduction device; a case that houses the rotating electrical machine, the speed reduction device, and the differential gear device; and an oil circulator.Type: ApplicationFiled: September 28, 2018Publication date: September 10, 2020Applicant: AISIN AW CO., LTD.Inventors: Daiki SUYAMA, Hiroaki SANJI, Mitsuhiro ICHIOKA, Yuki KAWAGUCHI
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Publication number: 20200284605Abstract: Vehicle driving assistance systems, methods, and programs display a recommended driving marking superimposed on a real view on a display. The recommended driving marking includes (i) a recommended route marking representing a recommended route, the recommended route being a traveling route with a relatively low likelihood of interference with one or a plurality of obstacles present in a traveling direction of a vehicle; and (ii) a recommended speed marking representing a recommended speed index, the recommended speed index being an index related to a travel speed recommended when the vehicle travels the recommended route. The recommended route marking and the recommended speed marking are displayed so as to be associated with each other.Type: ApplicationFiled: July 19, 2018Publication date: September 10, 2020Applicant: AISIN AW CO., LTD.Inventor: Takamitsu SAKAI
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Publication number: 20200284338Abstract: A vehicle drive device including: a first rotary electric machine; a second rotary electric machine; a first coupler drivingly coupled to a first wheel; a second coupler drivingly coupled to a second wheel; a transmission device that transmits torque of the first rotary electric machine to at least the first coupler out of the first coupler and the second coupler, and transmits torque of the second rotary electric machine to at least the second coupler out of the first coupler and the second coupler; and a case that accommodates the first rotary electric machine, the second rotary electric machine, the first coupler, the second coupler, and the transmission device;Type: ApplicationFiled: November 16, 2018Publication date: September 10, 2020Applicant: AISIN AW CO., LTD.Inventors: Daiki SUYAMA, Natsuki SADA, Jun SUZUKI
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Publication number: 20200278011Abstract: A vehicle drive system including: a rotating electric machine; an output drivingly coupled to a wheel; a differential gear device provided in a power transmission path between the rotating electric machine and the output, the differential gear device including at least a first rotating element drivingly coupled to the rotating electric machine, a second rotating element drivingly coupled to the output, and a third rotating element that is selectively fixed by a one-way clutch to a non-rotating member and that is selectively fixed by a friction brake to the non-rotating member; and a clutch that selectively couples together two of the first rotating element, the second rotating element, and the third rotating element.Type: ApplicationFiled: November 14, 2018Publication date: September 3, 2020Applicant: AISIN AW CO., LTD.Inventors: Takeshi TORII, Hiroshi KATO, Takuro IWASE, Keisuke NAKASHIMA, Daisuke YAMAOKA
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Publication number: 20200278020Abstract: A vehicle drive device including: a rotary electric machine that serves as a drive power source for a plurality of wheels; an input drivingly coupled to the rotary electric machine; a counter gear mechanism; a differential gear device that distributes a driving force transmitted from the rotary electric machine via the input and the counter gear mechanism, to the plurality of wheels; a case that accommodates the rotary electric machine, the input, the counter gear mechanism, and the differential gear device; and a support that is a separate member from the case, and is fixed inside the case.Type: ApplicationFiled: November 14, 2018Publication date: September 3, 2020Applicant: AISIN AW CO., LTD.Inventors: Ryohei INOUE, Takahisa HIRANO
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Publication number: 20200280231Abstract: In this stator, a first coil portion, a second coil portion, a third coil portion, and a fourth coil portion each include a one-side coil part that is disposed so as to extend over a first slot and a third slot, and an other-side coil part that is disposed so as to extend over a second slot and a fourth slot.Type: ApplicationFiled: November 29, 2018Publication date: September 3, 2020Applicant: AISIN AW CO., LTD.Inventor: Kiyotaka KOGA
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Publication number: 20200276968Abstract: When starting a skip downshift, a controller for an automatic transmission disengages two or more engagement elements that are in an engaged state. The disengaging two or more engagement elements includes setting a first engagement element, which is one of the two or more engagement elements that are disengaged and is used to form an intermediate gear stage having a lower transmission ratio than a post-shifting gear stage, to an engagement preparation state that maintains a state immediately before the engaged state. Subsequently, the controller engages a second engagement element, which is used to form both the intermediate gear stage and the post-shifting gear stage, and temporarily increases engagement pressure of the first engagement element. The controller disengages the first engagement element and engages a third engagement element, which is used to form the post-shifting gear stage, to form the post-shifting gear stage.Type: ApplicationFiled: February 13, 2020Publication date: September 3, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Tomohiro CHIMBE, Keisuke OTA, Yuji KAJIYAMA, Daiki FUKUDA, Kazuki IMANISHI, Takuma SUGINO
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Publication number: 20200278008Abstract: A torsional vibration damper whose vibration damping performance will not be reduced in a high speed range. In the torsional vibration damper, a planetary gear is oscillated within a first oscillating range when a torsional torque is smaller than a reference torque, and within a second oscillating range when the torsional torque is greater than the reference torque. Each backlash between the pinion gear and at least one of a sun gear and a ring gear within the second oscillating range is individually wider than each backlash between the pinion gear and the sun gear and each backlash between the pinion gear and the ring gear within the first oscillating range.Type: ApplicationFiled: February 25, 2020Publication date: September 3, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD., AISIN AW INDUSTRIES CO., LTD.Inventors: Masayuki ISHIBASHI, Hideyuki NISHIDA, lsamu HACHISUWA, Yoichi OI, Takuya YOSHIKAWA, Ryosuke OTSUKA, Katsunori TANAKA, Tomoyuki HIRAMOTO
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Publication number: 20200280268Abstract: An inverter control board that is configured to be connected to an inverter for performing conversion between direct current power and multiple-phase alternating current power, wherein the inverter has arms, each arm provided for one alternating current phase and comprising a series circuit of a high-side switching element to be connected to a direct-current positive electrode and a low-side switching element to be connected to a direct-current negative electrode.Type: ApplicationFiled: November 14, 2018Publication date: September 3, 2020Applicant: AISIN AW CO., LTD.Inventors: Keita MUTSUURA, Maiko NITTA
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Patent number: 10763730Abstract: An insulating resin coating method for coating with an insulating resin a weld of a stator having a plurality of the welds formed by welding ends of coil wires together, the method including the steps of: sandwiching and covering the weld of the coil wires by a pair of resin-molding molds; and injecting the resin into the resin-molding molds by a resin injector.Type: GrantFiled: July 29, 2016Date of Patent: September 1, 2020Assignee: AISIN AW CO., LTD.Inventors: Shingo Hashimoto, Shingo Sato, Kento Takase
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Patent number: 10763719Abstract: A stator that includes a stator core having a fastening hole; and a plurality of coils arranged in slots of the stator core and each formed of a conductor wire, wherein each of the coils includes lead wires at ends of the conductor wire, and a plurality of connectors, which are portions where the lead wires of the plurality of coils are connected to each other, are arranged so as not to overlap the fastening hole in a state in which a distance between the connector adjacent to the fastening hole in a circumferential direction of the stator core when viewed in a rotation axis direction and the connector adjacent to the connector on a side opposite to the fastening hole side out of the connectors is smaller than a distance between the connectors other than the connector adjacent to the fastening hole.Type: GrantFiled: September 29, 2017Date of Patent: September 1, 2020Assignee: AISIN AW CO., LTD.Inventors: Shingo Hashimoto, Shingo Sato, Junichi Yokota
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Patent number: 10759435Abstract: A control device that controls a vehicle transmission device including an input drivingly coupled to an internal combustion engine, an output drivingly coupled to wheels, a shift input drivingly coupled to the input via a fluid coupling having a lock-up clutch, and a speed change mechanism disposed on a power transmission path connecting the shift input and the output, wherein the speed change mechanism is capable of performing both continuously variable shifting that continuously changes a speed ratio, and stepped shifting that changes a speed ratio in a stepwise manner, the control device including: an electronic control unit that is configured to perform, when the stepped shifting is performed, rotation maintained engagement control that controls an engagement pressure of the lock-up clutch such that a rotational speed of the input follows a predetermined target rotational speed, regardless of a change in rotational speed of the shift input.Type: GrantFiled: February 24, 2017Date of Patent: September 1, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Munenori Terada, Takemichi Isono, Makoto Sawada, Naoto Tanaka
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Publication number: 20200269759Abstract: Superimposed-image display devices and programs display a guide image providing a guidance of information to a driver of a vehicle such that the guide image is superimposed on a view ahead of the vehicle and is visually recognized. The systems and programs obtain three-dimensional map information that specifies a three-dimensional shape of a road and a structure nearby the road and arrange the guide image in the three-dimensional map information, based on the three-dimensional shape of the road and the structure nearby the road. The systems and programs obtain a shape of the guide image that is visually recognized from a position of the driver in the three-dimensional map information and display the guide image having the obtained shape.Type: ApplicationFiled: July 19, 2018Publication date: August 27, 2020Applicant: AISIN AW CO., LTD.Inventors: Kenji WATANABE, Hiroyuki MIYAKE, Yuusuke MORITA
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Publication number: 20200271194Abstract: A vehicle drive device that includes a rotary electric machine, a power transfer mechanism that transfers a rotational drive force between the rotary electric machine and a plurality of wheels, a case that houses at least a part of the power transfer mechanism and the rotary electric machine, and a hydraulic pump.Type: ApplicationFiled: July 27, 2017Publication date: August 27, 2020Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Katsutoshi TAKAHASHI, Yoshihiko SASAKI, Hiroki NEMOTO, Tatsuya KAWAMURA, Kazunori KANEKO
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Patent number: 10753358Abstract: A power transmission apparatus includes an oil pump disposed between a hydraulic controller and a strainer. The oil pump includes a rotor (3) and a housing provided with a rotor chamber housing the rotor (3). Rotation of the rotor (3) causes oil to be sucked into an oil chamber (c1) defined by the rotor (3), and the oil is pressurized and discharged therefrom. The housing is provided with a first oil passage (71) through which oil sucked from a reservoir through the strainer flows toward the oil chamber, and a second oil passage (72) through which oil refluxed from the hydraulic controller flows toward the oil chamber. The second oil passage (72) includes a curved oil passage curved along the rotor (3) and is disposed such that the oil refluxed from the hydraulic controller flows in a rotation direction of the rotor (3) through the curved oil passage.Type: GrantFiled: September 29, 2016Date of Patent: August 25, 2020Assignee: AISIN AW CO., LTD.Inventors: Naoki Saito, Takeshi Torii, Atsushi Chujo
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Patent number: 10753472Abstract: A control device that includes an electronic control unit that is configured to perform neutral travel control that controls the transmission apparatus to enter a neutral state in which power is not transferred during rotation of the wheel, wherein the electronic control unit performs switching between an engaged neutral state in which a particular engagement device of the plurality of engagement devices is put in an engagement state and the transmission apparatus is put in a state in which power is not transferred and a released neutral state in which all of the plurality of engagement devices are put in a released state and the transmission apparatus is put in the state in which power is not transferred, based on at least a vehicle speed during the neutral travel control.Type: GrantFiled: February 19, 2015Date of Patent: August 25, 2020Assignee: AISIN AW CO., LTD.Inventors: Masakazu Kaifuku, Yuto Yuasa, Jyunichi Matoba, Masaru Katsuya, Kazuhiko Motodohi
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Patent number: RE48173Abstract: A vehicle driving device that includes a rotary electrical machine that functions as a driving force source of a wheel along with an internal combustion engine; a transmission device that is disposed side by side with respect next to the rotary electrical machine in an axial direction, the axial direction being a direction in which a rotation axis center of the rotary electrical machine extends; a case including a first case section that accommodates the rotary electrical machine and a second case section that accommodates the transmission device; an inverter device that controls the rotary electrical machine; and a wiring member structure that connects the rotary electrical machine and the inverter device.Type: GrantFiled: September 20, 2018Date of Patent: August 25, 2020Assignee: AISIN AW CO., LTD.Inventors: Katsutoshi Takahashi, Hiroyuki Fujioka, Tatsuyuki Uechi, Manabu Miyazawa