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公开(公告)号：US11207978B2
公开(公告)日：2021-12-28
申请号：US17121234
申请日：2020-12-14
发明人： Koji Kiyooka , Michio Tsukamoto
摘要： A transaxle with a brake includes an axle supported by the transaxle casing, a continuously variable transmission disposed in the transaxle casing, a braking device that is disposed in the transaxle casing and locks a rotation of the axle, a speed control arm that is journaled so as not to rotate relatively with respect to the transmission operating shaft of the transmission, controls the transmission, and is capable of changing a rotation of the axle continuously. A brake arm that is journaled with respect to an operating shaft of the braking device and a relay arm that is journaled so as to be relatively rotatable with respect to the transmission operating shaft are also included. The relay arm has one end connected to the brake arm via a link mechanism and the other end for lock operation input.
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公开(公告)号：US11793113B2
公开(公告)日：2023-10-24
申请号：US17643564
申请日：2021-12-09
发明人： Mai Terada , Koji Kiyooka
IPC分类号： A01D69/03 , F15B15/02 , F16H39/12 , F16H61/427 , F16H61/438 , F16H61/439 , F16H63/34 , F16H61/437
CPC分类号： A01D69/03 , F15B15/02 , F16H39/12 , F16H61/427 , F16H61/437 , F16H61/438 , F16H61/439 , F16H63/3425 , B60Y2200/223
摘要： A transaxle with a brake of the present invention includes the braking device comprising a plurality of brake discs, fixing plates, and a brake operating member, wherein the brake discs have an inner gear tooth portion that can be fitted to an outer gear tooth portion of an output gear of the motor shaft so as not to rotate relative to the outer gear tooth portion and is slidably fixed in the axial direction of the motor shaft, wherein the fixing plates are fixed to the transaxle casing so as not to rotate relative to each other and are slidably fixed in the axial direction of the motor shaft, and wherein the brake operating member provides a predetermined gap between the fixing plates and the brake discs when the brake discs are not pressed.
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公开(公告)号：US11554658B2
公开(公告)日：2023-01-17
申请号：US16995975
申请日：2020-08-18
发明人： Fumiaki Ito , Koji Kiyooka , Tasuku Inoue , Masato Arata
摘要： A hybrid vehicle includes an engine that drives first wheel, and a motor that drives second wheel. The hybrid vehicle includes (1) a minute speed launch support mode where the hybrid vehicle is driven only by the motor as a drive source, (2) a sudden launch support mode where the hybrid vehicle is driven by the engine and motor as the drive source, and (3) a smooth launch support mode where the hybrid vehicle is driven only by the motor as the drive source in an early stage, is driven by the engine and motor in a middle stage, and is driven only by the engine in a late stage, and if an operation amount of an acceleration instruction unit is not 0 or is substantially not 0, any one of the support modes is executed according to an operation status of the acceleration instruction unit.
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公开(公告)号：US11440401B2
公开(公告)日：2022-09-13
申请号：US17113584
申请日：2020-12-07
发明人： Hiroshi Sugimoto , Mai Terada , Koji Kiyooka
IPC分类号： B60K17/10
摘要： A transaxle casing has a fluid sump having a gear top cover, an HST, a reduction gear train and at least one axle disposed in the transaxle casing. The gear top cover accommodates a part of a rotation portion of the reduction gear train. An air supply and exhaust hole is disposed on an upper surface of the gear top cover facing an air sump and is arranged at a position different from a point above a bevel gear. A breather is attached at the air supply and exhaust hole, and a first inner wall extending downward from the upper surface of the upper casing member, is positioned between the part of the bevel gear and the air supply and exhaust hole.
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公开(公告)号：US12062971B2
公开(公告)日：2024-08-13
申请号：US16748036
申请日：2020-01-21
发明人： Koji Kiyooka , Takashi Nishizawa , Kousaku Kita , Tasuku Inoue , Tatsuya Kamada
CPC分类号： H02K9/19 , F16H57/0483 , H02K5/203 , H02K7/116
摘要： A moving body driving unit includes: a casing; an electric motor placed in a motor storage portion formed in an inner side of the casing on one side in a first direction which is predetermined and that has a motor shaft which extends in the first direction; a gear device placed in a gear storage portion formed in the inner side of the casing on the other side in the first direction and which also functions as an oil reservoir; a motive power transmitting mechanism placed at the inner side of the casing and that transmits motive power between the motor shaft and the gear device; an oil passage that interconnects the motor storage portion and the gear storage portion at the inner side of the casing; an oil introduction port; an oil discharge port; and an external oil path.
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公开(公告)号：US12005787B2
公开(公告)日：2024-06-11
申请号：US17017951
申请日：2020-09-11
发明人： Koji Kiyooka , Takashi Nishizawa , Hidetaka Yamanami , Shigeaki Nakagawa , Kengo Sasahara , Hikari Morita , Kohei Ogura
IPC分类号： B60L50/50 , A01D34/00 , A01D34/64 , B60L53/20 , B60L58/10 , G05D1/00 , G06T7/00 , A01D101/00 , H01M50/247 , H01M50/249 , H02J7/00 , H02J7/02 , H02J50/80
CPC分类号： B60L50/50 , A01D34/008 , A01D34/64 , B60L53/20 , B60L58/10 , G05D1/0212 , G06T7/0002 , A01D2101/00 , B60L2200/40 , H01M50/247 , H01M50/249 , H02J7/0045 , H02J7/0048 , H02J7/02 , H02J50/80 , Y02E60/10
摘要： A lawn mower includes a traveling driver, a mower motor, and at least one controller. At least one controller is configured to control the traveling driver in accordance with an operation of a user getting on the lawn mower, control the traveling driver to cause the lawn mower to travel autonomously, on a basis of information detected on the lawn mower, and control the mower motor. The lawn mower includes a lawn detection device configured to detect a condition of a portion of lawn on a front side in a traveling direction, and a position acquisition device configured to acquire self-position information. The at least one controller controls the traveling driver in such a manner that the lawn mower preferentially travels on a portion of lawn that needs to be mowed.
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公开(公告)号：US11746880B2
公开(公告)日：2023-09-05
申请号：US17531943
申请日：2021-11-22
发明人： Mai Terada , Koji Kiyooka
IPC分类号： F16H57/02 , F16H1/28 , H02K7/10 , F16H57/031 , F16H1/32 , H02K7/00 , H02K7/116 , F16H57/029
CPC分类号： F16H57/031 , F16H1/32 , F16H57/029 , H02K7/003 , H02K7/116 , F16H2057/02034
摘要： A motor reducer of the at least an embodiment of the present invention includes a reduction gear train that decelerates rotation input from a motor, and a reducer casing that accommodates the reduction gear train. An input cover that seals a motor-side end face of the reducer casing is provided, and the input cover is provided separately from the motor casing.
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公开(公告)号：US11541749B2
公开(公告)日：2023-01-03
申请号：US16660114
申请日：2019-10-22
发明人： Takashi Nishizawa , Koji Kiyooka , Tasuku Inoue
摘要： A moving body drive unit has an electric motor that is located inside the case and has a motor shaft extending in a first direction, a gear shaft that is located, inside the case, parallel to the motor shaft so as to extend in the first direction and has a bevel gear formed thereon, an intermediate gear mechanism that transmits power from the motor shaft to the gear shaft, and a differential gear device that is located inside the case and has a ring gear that meshes with the bevel gear to transmit power from the gear shaft to two output shafts extending in a second direction. The motor shaft and the gear shaft are arranged at different positions in both the second direction and in a third direction that is orthogonal to both the first direction and the second direction.
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