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公开(公告)号：US20180119746A1
公开(公告)日：2018-05-03
申请号：US15570791
申请日：2016-06-30
发明人： Takeshi TORII , Daisuke YAMAOKA , Atsushi OKUDA , Tetsuya YAMAUCHI , Atsushige KAWASAKA , Masashi IKEMURA , Yosuke MICHIKOSHI
CPC分类号： F16D3/64 , F16D1/0835 , F16D3/50 , F16D13/58 , F16D25/10 , F16H3/663 , F16H3/666 , F16H45/02 , F16H57/0006 , F16H57/08 , F16H57/12 , F16H2057/0012 , F16H2057/126 , F16H2200/006 , F16H2200/0086 , F16H2200/201 , F16H2200/2023 , F16H2200/2025 , F16H2200/2046 , F16H2200/2066 , F16H2200/2082 , F16H2200/2097
摘要： A vehicle drive apparatus includes: a sleeve including a first peripheral surface provided side by side with a spline; a connecting member including a groove provided side by side with a spline in spline engagement with the spline, recessed radially relative to the first peripheral surface, and including a bottom surface that serves as a second peripheral surface facing the first peripheral surface; and a tolerance ring disposed in the groove so as to exert a radial elastic force between the sleeve and the connecting member.
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公开(公告)号：US20210018085A1
公开(公告)日：2021-01-21
申请号：US16929156
申请日：2020-07-15
发明人： Guodong TAN , Shinichi ITO , Yukihiko IDESHIO , Masashi IKEMURA , Takashi IIJIMA , Masamichi YAMAGUCHI , Keisuke TANAKA , Tetsuya YAMAGUCHI , Ryota YOSHIMOTO
IPC分类号： F16H57/027
摘要： 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.
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公开(公告)号：US20210018088A1
公开(公告)日：2021-01-21
申请号：US16926820
申请日：2020-07-13
发明人： Guodong TAN , Shinichi ITO , Yukihiko IDESHIO , Masashi IKEMURA , Ryota YOSHIMOTO , Shinichiro MATSUBARA , Masamichi YAMAGUCHI , Takashi IIJIMA
摘要： An oil supply system for a vehicle includes a plurality of oil pumps, suction oil passages, and a communication passage. The oil pumps are independently operational. The suction oil passages each connect an associated one of suction portions of the plurality of oil pumps and a common oil strainer. The communication passage connects the suction oil passages.
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公开(公告)号：US20150323060A1
公开(公告)日：2015-11-12
申请号：US14436378
申请日：2013-11-19
发明人： Takeshi TORII , Akira MIYAZAKI , Masashi IKEMURA , Shinji OITA , Masaru MORISE
CPC分类号： F16H57/08 , F16D13/644 , F16D13/648 , F16H3/663 , F16H3/666 , F16H2057/087 , F16H2200/006 , F16H2200/0086 , F16H2200/2007 , F16H2200/2023 , F16H2200/2046 , F16H2200/2048 , F16H2200/2066 , F16H2200/2082 , F16H2200/2097
摘要： In an automatic transmission including a deceleration planetary gear and a hydraulic clutch, the hydraulic clutch includes a clutch drum, a clutch hub, first and second friction engagement plates, a piston, and an engagement oil chamber defining member. The clutch hub is formed by a ring gear and a support member that rotates together with the ring gear. The piston is movably supported by the clutch hub. The piston and the support member define a cancel oil chamber that cancels a centrifugal oil pressure generated in an engagement oil chamber.
摘要翻译： 在包括减速行星齿轮和液压离合器的自动变速器中，液压离合器包括离合器鼓，离合器毂，第一和第二摩擦接合板，活塞和接合油室限定构件。 离合器毂由环形齿轮和与齿圈一起旋转的支撑构件形成。 活塞由离合器毂可移动地支撑。 活塞和支撑构件限定了抵消在接合油室中产生的离心油压的解除油室。
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公开(公告)号：US20190072173A1
公开(公告)日：2019-03-07
申请号：US16115937
申请日：2018-08-29
发明人： Yosuke MICHIKOSHI , Satoshi ITO , Shintaro GOTO , Masashi IKEMURA
摘要： A control device of a vehicle has a drive source, a power transmission device having a plurality of rotating elements coupled via a gear and a plurality of friction engagement elements selectively coupling the plurality of rotating elements for transmitting an output of the drive source, and a lubricating device supplying a lubrication oil to the friction engagement elements for lubrication, the control device comprising: a lubrication control portion configured to increase an amount of the lubrication oil to the friction engagement elements from the lubricating device in a booming sound generating region predefined with respect to a drive source rotation speed.
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公开(公告)号：US20180334171A1
公开(公告)日：2018-11-22
申请号：US15980798
申请日：2018-05-16
发明人： Yosuke MICHIKOSHI , Masashi IKEMURA
IPC分类号： B60W30/20 , B60W10/02 , B60W10/11 , B60W30/184
CPC分类号： B60W30/20 , B60W10/026 , B60W10/11 , B60W30/1843 , B60W2030/203 , B60W2510/0233 , B60W2510/0241 , B60W2510/0291 , B60W2510/0638 , B60W2710/024 , B60W2710/1005 , F16H3/663 , F16H3/666 , F16H57/10 , F16H61/0202 , F16H61/143 , F16H61/686 , F16H2057/0012 , F16H2057/087 , F16H2059/6815 , F16H2059/725 , F16H2200/006 , F16H2200/2007 , F16H2200/2023 , F16H2200/2046 , F16H2200/2097
摘要： A control device for a vehicle includes an electronic control unit configured to control release of a predetermined engaging device configured to selectively engage a rotating member of a loaded part that participates in power transmission in a predetermined gear stage among a plurality of engaging devices with a rotating member of a non-loaded part that does not participate in the power transmission in the predetermined gear stage, at the time of selection of the predetermined gear stage of a stepped transmission, and control the predetermined engaging device such that an engagement pressure for bringing the predetermined engaging device into a weak slip state in a range that does not affect the selection of the predetermined gear stage is added, at the time of the selection of the predetermined gear stage and in a predetermined operational state.
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公开(公告)号：US20170314659A1
公开(公告)日：2017-11-02
申请号：US15494117
申请日：2017-04-21
发明人： Yosuke MICHIKOSHI , Masashi IKEMURA
CPC分类号： F16H35/10 , F16D1/0835 , F16D7/021 , F16H3/663 , F16H3/666 , F16H57/0037 , F16H57/08 , F16H2200/006 , F16H2200/2007 , F16H2200/201 , F16H2200/2023 , F16H2200/2046 , F16H2200/2066 , F16H2200/2082 , F16H2200/2097
摘要： A tolerance ring is formed in an inner circumference of a clutch drum at a more forward position than a spline-fitted part in a forward direction during assembly of the clutch drum to a third sun gear; thus, the tolerance ring is located closer to an axial end of the clutch drum than to the spline-fitted part. Accordingly, it becomes easier to carry out grooving to form an annular groove for housing the tolerance ring therein in the inner circumference of the clutch drum, and thereby deterioration of machinability is suppressed.
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公开(公告)号：US20230271601A1
公开(公告)日：2023-08-31
申请号：US18075906
申请日：2022-12-06
发明人： Guodong TAN , Takao OKI , Yoshio HASEGAWA , Masashi IKEMURA
CPC分类号： B60W20/40 , B60W10/0235 , B60W10/06 , B60W10/08 , B60W2510/0241 , B60W2510/0638 , B60W2510/081 , B60W2510/0657 , B60W2710/025 , B60W2710/023
摘要： The control device of the vehicle performs slip control for engaging the connection and disconnection clutch as an instruction hydraulic pressure for engaging the connection and disconnection clutch by the hydraulic control mechanism after the internal combustion engine is started by the starter, as an instruction hydraulic pressure for maintaining the speed of the internal combustion engine at a higher speed than a lower limit speed for avoiding the stop of the internal combustion engine. Further, the control device of the vehicle performs engagement completion control of raising an instruction hydraulic pressure for engaging the connection and disconnection clutch from an instruction hydraulic pressure in the slip control to an instruction hydraulic pressure for completing engagement of the connection and disconnection clutch when a difference between the speed of the internal combustion engine and the speed of the electric motor becomes smaller than a preset threshold value.
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公开(公告)号：US20220242397A1
公开(公告)日：2022-08-04
申请号：US17585157
申请日：2022-01-26
摘要： A vehicle includes: a motor generator as a drive source; an automatic transmission via which the motor generator is connected to driving wheels, the automatic transmission being configured to change a gear ratio; and a shift actuator for a driver to operate the gear ratio of the automatic transmission. A control device for the vehicle includes: a motor controlling portion configured to control output torque of the motor generator; and a gear shift controlling portion configured to control the gear ratio of the automatic transmission. In a case where the output torque has a negative value, when downshift is not requested by an operation on the shift actuator, the gear shift controlling portion prohibits a downshift process of downshifting the gear ratio of the automatic transmission, but when downshift is requested by an operation on the shift actuator, the gear shift controlling portion permits execution of the downshift process.
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公开(公告)号：US20220111720A1
公开(公告)日：2022-04-14
申请号：US17417509
申请日：2020-01-08
发明人： Shigeki IDEUE , Takeru MORITA , Keita INDA , Kenji DOZONO , Tatsuya OKISHIMA , Toshihiko KAMIYA , Masashi IKEMURA
摘要： A vehicle drive apparatus includes: a first bearing disposed between a rotor support member and a case in a radial direction so as to restrict movement of the rotor support member to a first axial side relative to the case; and a second bearing disposed between a connecting shaft and the case in an axial direction so as to restrict movement of the connecting shaft to a second axial side relative to the case. A fluid transmission device is disposed on the first axial side relative to the connecting shaft. The rotor support member includes a tubular portion having a tubular shape extending in the axial direction and fitted to an outer peripheral surface of the connecting shaft. Movement of the connecting shaft to the first axial side relative to the tubular portion is restricted.
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