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公开(公告)号：US20150211396A1
公开(公告)日：2015-07-30
申请号：US14603896
申请日：2015-01-23
发明人： Tomoyuki TSUJI
IPC分类号： F01M11/02
摘要： A housing supporting a rotational shaft and accommodating an axial piston member is provided with an oil reservoir space that faces at least one of the two end faces in the axial direction of the rotational shaft. The rotational shaft is provided with a rotational-shaft-side supply oil passage that includes an axial hole open to the oil reservoir space and an axial-piston-member lubricating oil hole having one end fluidly connected to the axial hole and the other end open to a portion of the external surface of the first rotational shaft that faces the axial piston member.
摘要翻译： 支撑旋转轴并容纳轴向活塞构件的壳体设置有面向旋转轴的轴向方向上的两个端面中的至少一个的储油空间。 旋转轴设置有旋转轴侧供给油路，该旋转轴侧供油路包括向储油空间开放的轴向孔和轴向活塞构件润滑油孔，该轴向活塞构件润滑油孔的一端与轴向孔流体连通，另一端开口 到第一旋转轴的面向轴向活塞构件的外表面的一部分。
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公开(公告)号：US20150068395A1
公开(公告)日：2015-03-12
申请号：US14478441
申请日：2014-09-05
发明人： Tomoyuki TSUJI , Tooru OOTA
摘要： A housing of an axial piston device is provided with a drain port for discharging the retained oil to the outside and a supply oil passage for guiding lubricating oil, which has been supplied from an oil source, toward a first hydraulic axial piston member. The drain port is arranged so as to bring about such a retained-oil level that a second hydraulic axial piston member, which is disposed below the first hydraulic axial piston member, is partially or entirely immersed in the retained oil while the first hydraulic axial piston member is not immersed in the retained oil.
摘要翻译： 轴向活塞装置的壳体设置有用于将保留的油排出到外部的排出口和用于将从油源供给的润滑油引导到第一液压轴向活塞构件的供给油路。 排水口被布置成实现这样的保持油位，使得设置在第一液压轴向活塞构件下方的第二液压轴向活塞构件部分或全部浸没在保持的油中，同时第一液压轴向活塞 会员不会浸入保留的油中。
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公开(公告)号：US20230049519A1
公开(公告)日：2023-02-16
申请号：US17819136
申请日：2022-08-11
发明人： Koji IWAKI , Tomoyuki TSUJI
IPC分类号： F16H47/04 , F16H61/433 , F16H61/423 , F16H61/4008 , F16H61/435 , F16H61/425
摘要： A pump operation piston biased by a neutral spring mechanism and a larger volume operation spring biased by a larger volume operation spring in a larger volume direction operatively move pump and motor volume adjusting members, respectively, is provided. A first pressure control valve commonly controls supply-discharge of pressure oil that presses the pump operation piston in a first slide direction and the motor operation piston in a smaller volume direction. A second pressure control valve controls supply-discharge of pressure oil that presses the pump operation piston in a second slide direction. Biasing forces of the neutral spring mechanism and the larger volume operation spring are so set that, after the pump operation piston is moved in the first slide direction by a predetermined distance, the motor operation piston starts moving.
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公开(公告)号：US20240328496A1
公开(公告)日：2024-10-03
申请号：US18619315
申请日：2024-03-28
发明人： Koji IWAKI , Tomoyuki TSUJI , Ryo MOTOOKA , Terunobu YOSHIOKA , Kazuhiro OWADA
CPC分类号： F16H47/04 , B60K17/10 , B60Y2200/221 , B60Y2200/222
摘要： [Problem] To reduce a length in an axial direction of an entire structure including an input gear train for shifting and transmitting an input power to a pump shaft and an output gear train for shifting and transmitting an HST output from a motor shaft to a planetary gear mechanism. [Solution] An HMT structure of the present invention includes an input shaft disposed in parallel to a pump shaft and a motor shaft with one side in an axial direction operatively connected to a drive source and the other side in the axial direction extending from an HST pump to the other side in the axial direction, an HST-input gear train for operatively transmitting a rotational power from the input shaft to the pump shaft, and an HST-output gear train for operatively transmitting an HST output from the motor shaft to a planetary gear mechanism, and the HST-input gear train and the HST-output gear train are disposed between the HST pump and the HST motor, and the planetary gear mechanism in the axial direction.
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公开(公告)号：US20220316570A1
公开(公告)日：2022-10-06
申请号：US17709818
申请日：2022-03-31
发明人： Koji IWAKI , Tomoyuki TSUJI , Ryo MOTOOKA
IPC分类号： F16H47/04
摘要： A hydromechanical continuously variable speed transmission is provided. The hydromechanical continuously variable speed transmission can include: the HST 10 in which the planetary gear mechanism 11 is housed in the planetary gear support case 71 mounted on a face of the center section 35 to form the HMT unit 100, the face being on the side opposite to the side on which the HST case 23 is mounted, and the HMT unit 100 is further provided with the housing mounting face 35d for fixing the HMT unit 100 to the housing 91 of the traveling power transmission mechanism 89, the housing mounting face 35d being provided on the center section 35 so as to surround the outer circumference of the mounting face 71a on which the planetary gear support case 71 is mounted.
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