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公开(公告)号：US20180172130A1
公开(公告)日：2018-06-21
申请号：US15836127
申请日：2017-12-08
发明人： Jun OHMURA
CPC分类号： F16H48/08 , B60K1/00 , B60K6/365 , B60K6/405 , B60K17/08 , B60K17/16 , B60K17/165 , B60K2001/001 , B60L15/2045 , F16H1/36 , F16H48/42 , F16H2048/087 , F16H2048/426 , F16H2200/0021 , Y02T10/7275
摘要： A power system includes an electric motor, a transmission, and a differential gear system. The transmission includes a first gear that is mechanically connected to the electric motor, a second gear that has a rotation axis in common with the first gear and is mechanically connected to a differential gear casing of the differential gear system, a pinion gear that meshes with the first gear and the second gear, and a pinion holder that rotatably supports the pinion gear. The pinion holder has a pinion gear supporting portion which is disposed on a side of the differential gear casing of the differential gear system to support the pinion gear, relative to a meshing portion between the second gear and the pinion gear. An inner diameter of the second gear at the meshing portion is equal to or smaller than an outer diameter of the pinion holder.
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公开(公告)号：US20180172138A1
公开(公告)日：2018-06-21
申请号：US15824137
申请日：2017-11-28
发明人： Yoshihiro NAKANO , Megumi MARUYAMA , Jun OHMURA
IPC分类号： F16H57/04 , F16H37/08 , F16H1/20 , F16H48/08 , F16H48/40 , F16H57/021 , F16H57/037
CPC分类号： F16H57/0424 , B60K1/00 , B60K2001/001 , B60Y2306/03 , B60Y2410/10 , F16H1/20 , F16H37/0813 , F16H48/08 , F16H48/40 , F16H57/021 , F16H57/037 , F16H57/0423 , F16H57/045 , F16H57/0457 , F16H57/0471 , F16H57/0476 , F16H57/0479 , F16H57/0483 , F16H57/082 , F16H2057/02034 , F16H2057/0216
摘要： A power system includes: an electric motor that drives wheels of a vehicle; a transmission that is disposed on power transmission paths between the electric motor and the wheels; and a differential gear system that distributes output power shifted by the transmission to the wheels. The transmission includes: a first gear mechanically connected to the electric motor; a second gear that has a rotation axis in common with the first gear and is mechanically connected to a differential gear casing of the differential gear system; a pinion gear that meshes with the first gear and the second gear; and a pinion holder that rotatably supports the pillion gear. The pinion holder has a pinion gear supporting portion which is disposed on a side of the differential gear casing to support the pinion gear, relative to a meshing portion between the second gear and the pinion gear.
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公开(公告)号：US20170102065A1
公开(公告)日：2017-04-13
申请号：US15122783
申请日：2015-02-20
发明人： Jun OHMURA , Yuichi SUENAGA , Kouji ONO
CPC分类号： F16H57/0423 , F16H48/42 , F16H57/04 , F16H57/0409 , F16H57/0428 , F16H57/0447 , F16H57/045 , F16H57/0471 , F16H57/0483 , F16H2048/423
摘要： A lubricating structure for a differential device includes a pair of baffle plates, fixed to a transmission case, partitioning an internal space between the transmission case, and a differential case and a final driven gear and a second space. The inner surface of the baffle plates has a portion on the first space side that is enlarged to be similar in shape to outer surfaces of rotating bodies defined by trajectories of the differential case and the final driven gear rotated around a rotational axis of inboard shafts. The baffle plates are configured such that the amount of lubricating oil accumulating in the first space is smaller than that in the second space. A through-hole is provided at a position to secure a level of lubricating oil.
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公开(公告)号：US20130217533A1
公开(公告)日：2013-08-22
申请号：US13765374
申请日：2013-02-12
发明人： Jun OHMURA
IPC分类号： F16H48/10
CPC分类号： F16H48/10 , F16H48/11 , F16H2048/106
摘要： A vehicle driving system includes, a first drive shaft and a second drive shaft; a differential mechanism; a drive input member which inputs a power from a driving power source to the differential mechanism; and a fastening member that fastens the differential mechanism and the drive input member together, wherein the differential mechanism includes: a first sun gear; a second sun gear; a first pinion gear; a second pinion gear that is engaged to the second sun gear and the first pinion gear; and a carrier that is fastened to the drive input member and rotatably supports the first pinion gear and the second pinion gear; and, wherein a spline joint portion that causes the carrier and the drive input member to be fitted in a spline manner is provided at an outer peripheral end portion of the carrier and an inner peripheral end portion of the drive input member.
摘要翻译： 车辆驱动系统包括：第一驱动轴和第二驱动轴; 差分机制; 驱动输入构件，其将来自驱动动力源的动力输入到所述差速机构; 以及紧固构件，其将所述差动机构和所述驱动输入构件固定在一起，其中所述差速机构包括：第一太阳齿轮; 第二个太阳齿轮; 第一小齿轮; 与第二太阳齿轮和第一小齿轮接合的第二小齿轮; 以及载体，其被固定到所述驱动输入构件并且可旋转地支撑所述第一小齿轮和所述第二小齿轮; 并且其中，在所述载体的外周端部和所述驱动输入部件的内周端部设置有使所述载体和所述驱动输入部件以花键方式嵌合的花键接合部。
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