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公开(公告)号：US10961898B2
公开(公告)日：2021-03-30
申请号：US16438564
申请日：2019-06-12
Inventor： Rihito Kaneko , Noboru Takagi , Naoto Hisaminato , Mitsuru Yamaguchi , Hirokazu Ando , Masaaki Yamaguchi , Takahiko Aoyagi , Hirotaka Watanabe
Abstract: A cooling device includes an inner passage, an outer passage, an engine-driven pump, an electromagnetic control valve, and a driving circuit that regulates current flowing through the electromagnetic control valve by activating and deactivating a switching element. A cooling controller for the cooling device includes a processing circuit configured to execute an operation process for operating, when the engine-driven pump is driven, the switching element by setting a duty cycle of an activation time to a switching cycle, which is a reciprocal of a switching frequency of the switching element, to be a larger value when a temperature of the internal combustion engine is low than when the temperature is high and a cycle varying process for setting a longer switching cycle when the temperature of the internal combustion engine is less than a preset temperature than when the temperature is greater than or equal to the preset temperature.
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公开(公告)号：US10703188B2
公开(公告)日：2020-07-07
申请号：US16284022
申请日：2019-02-25
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hirotaka Watanabe , Shigeyuki Inoue , Toshio Uchiyama , Satoshi Inukai
IPC: B60K1/04
Abstract: A vehicle includes: a floor panel; and a battery pack mounted under the floor panel. The battery pack includes: a plurality of cell stacks; a housing case including a bottom portion and configured to house the plurality of cell stacks; and a plurality of support members provided on the bottom portion and spaced apart from one another. When a front region, a central region and a rear region are defined in a bottom view of the housing case, a ratio of a total area where the support member is provided in the central region to an area of the central region is higher than a ratio of a total area where the support member is provided in the rear region to an area of the rear region.
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公开(公告)号：US10135046B2
公开(公告)日：2018-11-20
申请号：US14648555
申请日：2012-11-30
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hirotaka Watanabe , Tuyoshi Hayashi , Junta Katayama
IPC: H01M10/6566 , H01M2/10 , H01M10/6563 , H01M10/6552 , H01M10/34 , H01M10/625
Abstract: In a temperature regulation structure according to the invention, the power storage element includes a power generation element for charging and discharging, and has a case body having an opening portion for incorporating the power generation element, and a lid that closes up the opening portion of the case body. Air for temperature regulation that comes into contact with the power storage element is supplied from a direction substantially perpendicular to a bottom face of the case body, which is opposed to the lid across the power generation element. The temperature of the power storage element can be efficiently regulated by bringing the air for temperature regulation into contact with the bottom face of the case body.
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公开(公告)号：US10647213B2
公开(公告)日：2020-05-12
申请号：US16281100
申请日：2019-02-21
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Kazuma Otoguro , Shigeyuki Inoue , Hirotaka Watanabe
Abstract: A battery pack is mounted under a floor panel. A case of the battery pack includes a case tray. On an inner surface of a bottom plate of the case tray, plural internal pack crosses are provided. On an outer surface of the bottom plate of the case tray, plural external pack crosses are provided. An internal pack cross front flange is fastened to an external pack cross rear flange that is arranged in front of the internal pack cross in the vehicle longitudinal direction in a state of matching the external pack cross rear flange in the vehicle longitudinal direction. An external pack cross front flange is fastened to an internal pack cross rear flange that is arranged in front of the external pack cross in the vehicle longitudinal direction in a state of matching the internal pack cross rear flange in the vehicle longitudinal direction.
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公开(公告)号：US10601008B2
公开(公告)日：2020-03-24
申请号：US16351653
申请日：2019-03-13
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hirotaka Watanabe , Shigeyuki Inoue , Satoshi Inukai , Teruchika Mizuno
Abstract: A battery pack includes: a plurality of cell stacks; a housing case configured to house the plurality of cell stacks; and a support member configured to allow a rear cross member provided in a vehicle to support the housing case, the housing case including a rear portion directed to a rear side of the vehicle in a mounted state in which the battery pack is mounted on the vehicle, the support member extending in an up-down direction and being fixed to the housing case from an outer side of the housing case so as to face the rear portion.
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Patent Agency Ranking
公开(公告)号：US11239508B2
公开(公告)日：2022-02-01
申请号：US16363469
申请日：2019-03-25
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Kazuma Asakura , Shigeyuki Inoue , Hirotaka Watanabe , Yasuyuki Takei , Yusuke Kuruma
IPC: H01M10/613 , H01M10/625 , H01M10/6563 , H01M10/6557 , H01M10/6556 , H01M10/6561 , H01M50/249
Abstract: A battery pack includes: a cell stack; a first duct and a second duct configured to feed cooling air toward the cell stack; and a housing case. The first duct and the second duct extend in a first direction and are spaced apart from each other in a second direction, the first direction being parallel to a front-back direction of a vehicle in a mounted state in which the battery pack is mounted on the vehicle, the second direction being parallel to a width direction of the vehicle in the mounted state. The first duct is arranged on an outer side of the cell stack on one side in the second direction, and the second duct is arranged on an outer side of the cell stack on the other side in the second direction.
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公开(公告)号：US10968791B2
公开(公告)日：2021-04-06
申请号：US16467292
申请日：2017-12-22
Inventor： Takayuki Hosogi , Hisayuki Ito , Noboru Takagi , Kazuyoshi Shimatani , Takahiko Aoyagi , Masahiro Yoshida , Yoshinobu Uchiyama , Toshiki Sato , Hirotaka Watanabe
Abstract: A control device for an onboard engine is configured to control the oil discharge pressure of an oil pump and execute, when determining that there may be an abnormality in the control of the oil discharge pressure, a change process that increases the target discharge pressure to a value that is greater than that before it is determined that there may be an abnormality in the control. When a discharge pressure sensor value in a situation in which the discharge pressure is being controlled based on the target discharge pressure increased through execution of the change process does not become greater than or equal to a discharge pressure threshold, the control device sets an upper limit for the engine rotation speed and increases the upper limit as the discharge pressure sensor value increases.
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公开(公告)号：US10927748B2
公开(公告)日：2021-02-23
申请号：US16685274
申请日：2019-11-15
Inventor： Masafumi Yoshida , Naoto Yumisashi , Koji Nunami , Masahiro Yoshida , Hirotaka Watanabe , Takahiko Aoyagi , Noboru Takagi , Hirokazu Kato , Rihito Kaneko , Masaaki Yamaguchi
Abstract: A flow passage device includes a circulation flow passage, a swing valve provided in the circulation flow passage, an energizing part, and a lock mechanism including a lock pin. The lock pin is configured so as to hinder the swing valve from opening, and to allow the swing valve to open. The swing valve is configured so as to rotate from a first valve position to a second valve position. The lock mechanism is configured so as to set a locked state and to set an unlocked state. The lock pin is configured so as to protrude as being energized by pressure of the fluid on an upstream side of the swing valve, and to retract as being energized by pressure of the fluid on a downstream side of the swing valve.
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公开(公告)号：US10074845B2
公开(公告)日：2018-09-11
申请号：US15113226
申请日：2015-01-19
Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
Inventor： Hirotaka Watanabe
CPC classification number: H01M2/206 , H01M2/1077 , H01M2/1241 , H01M10/48 , H01M10/486 , H01M2220/20
Abstract: A connection unit of the present invention includes: a rail member extending in a direction where a plurality of storage elements is aligned; and a plurality of bus bar units each including an engagement portion movable along the rail member in the predetermined direction, and a bus bar fixed to electrode terminals of the storage elements adjacent to each other in the predetermined direction and connected to the engagement portion. The plurality of bus bar units engages with the rail member so as to be aligned in the predetermined direction, and the bus bar units adjacent to each other are provided so as to be movable independently along the predetermined direction. Entire assembly tolerance in the plurality of storage elements aligned in the predetermined direction can be absorbed (permitted) by adjusting distances between the independent bus bar units, thereby making it possible to easily assemble the plurality of bus bars.
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公开(公告)号：US10062938B2
公开(公告)日：2018-08-28
申请号：US15271071
申请日：2016-09-20
Inventor： Yasuaki Hada , Hiroki Tadauchi , Yasuhiro Otsuka , Hirotaka Watanabe
IPC: H01M2/22 , H01M10/6557 , H01M10/613 , H01M10/625 , H01M10/0525 , H01M10/34
CPC classification number: H01M10/6557 , H01M2/024 , H01M2/1072 , H01M10/0525 , H01M10/345 , H01M10/613 , H01M10/625 , H01M10/6566 , H01M2220/20 , Y02T10/7011
Abstract: An assembled battery is formed by combining battery modules. Each battery module includes at least one battery cell and a rectangular box-shaped case that accommodates the at least one battery cell. The battery modules include a first battery module and a second battery module located adjacent to each other. The case of each of the first battery module and the second battery module includes an opposing side surface that is opposed to one of the first battery module and the second battery module. Each opposing side surface includes projections, which are laid out in rows, and ribs, which extend parallel to the layout direction of the projections. The ribs are smaller in height than the first projections. The ribs include connection ribs that connect the projections located in a predetermined range in the layout direction of the projections.
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