Patents Assigned to Aisin Aw Co., Ltd.
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Publication number: 20210252974Abstract: A vehicle drive device includes a rotating electrical machine, an output member, and a reduction planetary gear device. The output member and the reduction planetary gear device are coaxially disposed side by side. The reduction planetary gear device includes a third rotating element that is selectively fixed to a case by an engagement device. A support bearing that rotatably supports the third rotating element is radially supported by the output member.Type: ApplicationFiled: November 19, 2019Publication date: August 19, 2021Applicant: AISIN AW CO., LTD.Inventor: Keisuke NAKASHIMA
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Patent number: 11094194Abstract: Operation management systems, methods, and programs obtain a travel plan including a scheduled point and a scheduled time associated with the scheduled point, and obtain a travel track record including a travel point of a vehicle and a travel time associated with the travel point. The systems, methods, and programs obtain, when a delay has occurred in the travel plan, a cause of the delay based on the travel track record and the travel plan, and output the obtained cause of the delay.Type: GrantFiled: October 30, 2018Date of Patent: August 17, 2021Assignee: AISIN AW CO., LTD.Inventors: Yasutaka Konishi, Yoichi Yamamura, Hideki Kasezawa
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Patent number: 11092235Abstract: An object is to reduce a delay in response. An automatic gear changing control device includes a sleeve which is moved by an actuator to perform an engagement operation, an engine which is connected to an input shaft, and a control unit which controls the movement of the sleeve by the actuator and controls the rotation of the input shaft by the engine or a motor generator. The control unit performs synchronization control of controlling the rotation of the input shaft for the engagement operation at a different gear stage after the engagement is released and starts shift control of moving the sleeve to an engagement completion position by the actuator before at least the synchronization is completed.Type: GrantFiled: December 27, 2017Date of Patent: August 17, 2021Assignee: AISIN AW CO., LTD.Inventors: Yoshitaka Shimizu, Mitsutoshi Kamiya
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Patent number: 11095177Abstract: A coil wound around a core in which a plurality of slots that extend in an axial direction are arranged in a circumferential direction, the coil including a plurality of slot-housed portions respectively disposed in the plurality of slots; and a plurality of crossover portions that each connect between a first slot-housed portion and a second slot-housed portion, which are a pair of slot-housed portions of the plurality of slot-housed portions disposed in slots of the plurality of slots that are different from each other, on an outer side in the axial direction with respect to the core.Type: GrantFiled: September 20, 2018Date of Patent: August 17, 2021Assignee: AISIN AW CO., LTD.Inventor: Kiyotaka Koga
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Patent number: 11092233Abstract: A planetary carrier includes a plurality of pinion gears, a plurality of pinion shafts that are each inserted in the corresponding pinion gear, a first supporting plate that supports one end of each of the pinion shafts, a second supporting plate that supports the other end of each of the pinion shafts, and a plurality of bridge plates, one end of each of which is joined to the first supporting plate via a welding portion and the other end of each of which is joined to the second supporting plate via a welding portion and which connects the first and second supporting plates.Type: GrantFiled: September 5, 2018Date of Patent: August 17, 2021Assignee: AISIN AW CO., LTD.Inventors: Takashi Iwama, Takaaki Kawashima, Junya Abe, Yuuji Esaki
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Publication number: 20210249920Abstract: A rotating electrical machine rotor core is implemented that can suppress an increase in number of manufacturing processes and has a magnetic structure that can reduce noise or vibration associated with rotation. A rotating electrical machine rotor core includes a member disposition hole in which a permanent magnet is disposed; and pair of magnetic flux limiting holes disposed on both sides in circumferential direction of each of magnetic poles, units in which member disposition hole is repeatedly made in circumferential direction being magnetic poles. Each magnetic plate includes plurality of types of through part pairs having different circumferential spacings between pair of limiting-hole through parts that makes pair of magnetic flux limiting holes.Type: ApplicationFiled: October 31, 2019Publication date: August 12, 2021Applicants: AISIN AW CO., LTD., AISIN SEIKI KABUSHIKI KAISHAInventors: Takayuki SUGIURA, Tokihito NAGAE, Jumpei TADA, Teppei TSUDA
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Publication number: 20210249344Abstract: Provided is a circuit module including a power supply chip module, a load chip module, and a system board. A power supply output terminal group of the power supply chip module is arranged side by side in a row along a side of the power supply chip module board, the power supply input terminal group of a load chip module includes a specific terminal group arranged in a specific row that is a row along a side of the load chip module board, and a wiring width along an arrangement direction of the power supply output terminal group of a wiring pattern in which the power supply output terminal group is connected to the system board is equal to or more than a wiring width W31 along an arrangement direction of the specific terminal group of the wiring pattern in which the specific terminal group is connected to the system board.Type: ApplicationFiled: May 27, 2019Publication date: August 12, 2021Applicant: AISIN AW CO., LTD.Inventors: Takashi KUSANO, Takanobu NARUSE
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Publication number: 20210237740Abstract: A control device performs upshifting in a state in which an operating point of a rotating electrical machine for outputting requirement-based torque at wheel-based rotational speed falls within an operable range of the rotating electrical machine both before and after shifting a shift speed by the upshifting, and in which before shifting the shift speed, output torque from the rotating electrical machine is less than or equal to determination torque (T1), the wheel-based rotational speed being rotational speed of the rotating electrical machine based on rotational speed (V) of a wheel, the requirement-based torque being output torque from the rotating electrical machine based on required wheel transmission torque, and the determination torque (T1) being torque obtained by subtracting an amount of increased torque (?Tmg) resulting from torque increase control from maximum torque (Tmax) that can be outputted from the rotating electrical machine at the wheel-based rotational speed.Type: ApplicationFiled: July 19, 2019Publication date: August 5, 2021Applicant: AISIN AW CO., LTD.Inventors: Ryo WATANABE, Yasuyuki SATO, Kenta KIMATA, Takuro IWASE, Junichiro OHTSUBO
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Patent number: 11081976Abstract: A dielectric elastomer transducer includes a dielectric elastomer function element having a dielectric elastomer layer and a pair of electrode layers between which the dielectric elastomer function element is interposed, and further includes a supporting body that supports the dielectric elastomer function element. Each of the electrode layers has one or more application regions. The dielectric elastomer function element has one or more function portions on which the application regions of the electrode layers are overlapped. The function portion is spaced away from the supporting body. With such a configuration, it is possible to avoid damaging the electrode layer and acquire a sufficient amount of expansion.Type: GrantFiled: June 11, 2018Date of Patent: August 3, 2021Assignee: AISIN AW CO., LTD.Inventors: Seiki Chiba, Mikio Waki
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Publication number: 20210234467Abstract: A first switching element and a second switching element are arranged side by side in a first direction. An output bus bar is disposed to extend in the first direction. The first switching element and the second switching element are disposed to be embedded in a molded portion. The output bus bar includes an embedded portion embedded in the molded portion, a first exposed portion exposed from the molded portion on one side of the switching element set in the first direction, and a second exposed portion exposed from the molded portion on another side of the switching element set in the first direction.Type: ApplicationFiled: June 24, 2019Publication date: July 29, 2021Applicant: AISIN AW CO., LTD.Inventors: Yutaka HOTTA, Shinya OSUKA, Yasuhiro KUME, Kaoru SHIMANO, Toshiyuki FUKUHARA, Takeshi IKEYAMA
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Publication number: 20210234439Abstract: The method for manufacturing an armature includes a step of independently pressing pressing-target segment conductors by a plurality of pressing jigs disposed for each of the pressing-target segment conductors, such that the plurality of pressing jigs are movable relative to each other, at least either one of first segment conductors and second segment conductors serving as the pressing-target segment conductors.Type: ApplicationFiled: December 14, 2018Publication date: July 29, 2021Applicant: AISIN AW CO., LTD.Inventors: Kiyotaka KOGA, Tomotsugu SUGIHARA
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Publication number: 20210234416Abstract: A stator cooling structure in which the stator cooling structure includes a supporting member that has a cylindrical shape along an axial direction of a rotating electric machine, that supports a stator core of the rotating electric machine, and that forms a cooling water passage and oil passage, and the stator core, the cooling water passage, and the oil passage are disposed adjacent to each other in this order from an inner radial side.Type: ApplicationFiled: March 26, 2019Publication date: July 29, 2021Applicant: AISIN AW CO., LTD.Inventors: Satoshi MURAKAMI, Masahiro NAGAYA
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Patent number: 11074815Abstract: A determination device determines a tendency of a driver who selects a parking space and includes an acquisition unit and a determination unit. The acquisition unit is configured to acquire information regarding an attribute of the parking space in a parking lot, information regarding behavior of a vehicle driven by the driver in the parking lot, and information regarding behavior of the driver when the driver is driving the vehicle in the parking lot. The determination unit is configured to determine the tendency of the driver when the driver selects the parking space, based on the information regarding the behavior of the vehicle or the information regarding the behavior of the driver and the information regarding the attribute of the parking space.Type: GrantFiled: January 11, 2019Date of Patent: July 27, 2021Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.Inventors: Hiroaki Takeyama, Motohiro Nakamura, Norihiro Nakamura, Hideki Kasezawa, Kensuke Takeuchi, Hajime Morikawa, Yoko Sakurai
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Patent number: 11073199Abstract: A breather device that communicates an inside of a case with an outside of the case in a vertical direction includes a cylindrical body having a hollow portion that extends in the vertical direction, a stopper inserted in the hollow portion, and a blocking body that is located in a space defined by the stopper in the hollow portion, and blocks a communicating hole provided in a lower part of the cylindrical body as viewed in the vertical direction. The communicating hole ceases to be blocked when the pressure inside the case exceeds a first predetermined value, and the blocking body moves upward in the vertical direction in the space.Type: GrantFiled: July 15, 2020Date of Patent: July 27, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Guodong Tan, Shinichi Ito, Yukihiko Ideshio, Masashi Ikemura, Takashi Iijima, Masamichi Yamaguchi, Keisuke Tanaka, Tetsuya Yamaguchi, Ryota Yoshimoto
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Patent number: 11070163Abstract: An amplitude of current ripples on a primary side of a power supply device that uses a plurality of transformers is reduced. A driving power supply device (7) that supplies electric power to a plurality of drive circuits (2) that individually drive switching elements (3) of an inverter (10) includes a plurality of transformers (L) having secondary-side coils (Ls) which are individually connected to the respective corresponding drive circuits (2); a plurality of transformer driving units (5) each including a driving switching element (M) that controls supply of electric power to a primary-side coil (Lp); and a power supply control device (6) that provides transformer drive signals (MG) for driving the transformer driving units (5). The power supply control device (6) drives the transformer driving units (5) by transformer drive signals (MG) having different phases.Type: GrantFiled: September 20, 2018Date of Patent: July 20, 2021Assignee: AISIN AW CO., LTD.Inventors: Yasushi Nakamura, Keita Mutsuura, Yoshinobu Ito, Shota Sekiguchi
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Patent number: 11067166Abstract: 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: GrantFiled: October 29, 2019Date of Patent: July 20, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: 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: 20210215240Abstract: A differential device includes: a differential case; a plurality of pinion shafts supported by the differential case and that is disposed on a first axis and a second axis orthogonal to the first axis; a first pinion gear and a second pinion gear that are each rotatably supported by the plurality of pinion shafts and that are disposed on the first axis, and a third pinion gear and a fourth pinion gear that are each rotatably supported by the plurality of pinion shafts and that are disposed on the second axis; and a first side gear and a second side gear that mesh with the first to fourth pinion gears and that are preloaded toward the first to fourth pinion gears. The number of teeth of the first side gear and second side gear is configured to be the 4N+2 in which N is an integer.Type: ApplicationFiled: December 12, 2019Publication date: July 15, 2021Applicant: AISIN AW CO., LTD.Inventor: Seiya OZAWA
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Patent number: 11063487Abstract: A stator that includes a stator core having a plurality of slots; a first coil that is disposed in a first slot of the plurality of slots; and a second coil that is disposed in a second slot of the plurality of slots that is different from the first slot in which the first coil is disposed.Type: GrantFiled: March 16, 2018Date of Patent: July 13, 2021Assignee: AISIN AW CO., LTD.Inventor: Kiyotaka Koga
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Patent number: 11059471Abstract: A power transmission device mounted on a vehicle in which operation of an engine is stopped when vehicle speed has been reduced to a predetermined vehicle speed. The device includes an oil pump driven by the engine; a hydraulic control device regulating pressure from the oil pump; a continuously variable transmission mechanism in which groove widths of a primary pulley and a secondary pulley are set by hydraulic pressure from the hydraulic control device; a hydraulic engagement element engaged by hydraulic pressure from the hydraulic control device to couple the continuously variable transmission mechanism to the engine; a clamping pressure sensor that detects clamping pressure of a belt of the continuously variable transmission mechanism; and a control device disengaging the hydraulic engagement element when the detected clamping pressure of the belt reaches less than or equal to a threshold value after operation of the engine is stopped.Type: GrantFiled: May 21, 2018Date of Patent: July 13, 2021Assignee: AISIN AW CO., LTD.Inventor: Masahiro Nozaki
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Patent number: 11056984Abstract: An inverter control device that controls an inverter connected to a direct-current power supply and connected to an alternating-current rotating electrical machine to convert electric power between direct current and alternating current of a plurality of phases, the inverter control device including an electronic control unit that is configured to perform, in a state in which one switching element of a plurality of switching elements included in the inverter has a turn-off failure in which the switching element always goes into an off state, torque reduction control for reducing torque of the rotating electrical machine or deceleration control for outputting torque in a reverse direction from a rotation direction of the rotating electrical machine by performing switching control of the plurality of switching elements.Type: GrantFiled: September 28, 2018Date of Patent: July 6, 2021Assignee: AISIN AW CO., LTD.Inventors: Masashi Miyazaki, Subrata Saha, Isao Fujiwara, Yuki Sugiyama