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公开(公告)号：US07076948B2
公开(公告)日：2006-07-18
申请号：US10802398
申请日：2004-03-17
申请人： Katsuhiko Ito , Shinya Koyama , Kazuhiro Yasuda
发明人： Katsuhiko Ito , Shinya Koyama , Kazuhiro Yasuda
IPC分类号： F16D39/00
摘要： To reduce the projection of a swash plate servo mechanism in the radial direction, and to make a hydraulic continuously variable transmission compact, a swash plate plunger pump includes a pump casing provided with an input driven gear. A pump cylinder and a motor cylinder are connected to a transmission output shaft, and a motor pivot member provided with a motor swash plate member is supported to be pivotally movable. A motor servo mechanism includes a ball screw shaft, a ball nut to which an end portion of the motor pivot member is connected, and a swash plate control motor to rotate the screw shaft. A swash plate control motor, located on the side of a hydraulic pump relative to the input driven gear, is mounted to the outside surface of a transmission housing close to the center axis side of a transmission output shaft.
摘要翻译： 为了减小旋转斜盘伺服机构在径向上的突出，并且为了制造液压无级变速传动装置，斜盘式活塞泵包括设置有输入从动齿轮的泵壳。 泵缸和马达缸连接到变速器输出轴，并且设置有电动机斜盘构件的马达枢转构件被支撑为可枢转地运动。 电机伺服机构包括：滚珠丝杠轴，连接有电机枢转部件的端部的滚珠螺母，以及用于旋转螺杆轴的旋转斜盘控制马达。 相对于输入从动齿轮位于液压泵一侧的旋转斜盘控制马达安装在变速器壳体的外侧，靠近变速器输出轴的中心轴侧。
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公开(公告)号：US06957532B2
公开(公告)日：2005-10-25
申请号：US10821247
申请日：2004-04-08
申请人： Katsuhiko Ito , Shinya Koyama
发明人： Katsuhiko Ito , Shinya Koyama
IPC分类号： F16H39/14 , F16H47/02 , F16H57/023 , F16H57/04
摘要： A powertrain unit includes a hydraulic continuously variable transmission including a transmission housing, and a dipstick for checking an oil level in the housing. The width of the powertrain unit is reduced by positioning the dipstick laterally inside the housing. The hydraulic continuously variable transmission includes a fixed-displacement swash plate plunger pump and a variable displacement swash plate plunger motor, which are connected through a closed hydraulic circuit. The outer circumference of a portion of a pump casing of the plunger pump for is reduced in diameter to form a reduced diameter portion. The dipstick is positioned so that a gauge portion thereof extends from an area near the outer circumference of the reduced diameter portion down to the bottom of the transmission housing.
摘要翻译： 动力总成单元包括液压无级变速器，其包括变速器壳体和用于检查壳体中的油位的量油尺。 通过将量油尺横向定位在壳体内，可以减小动力总成单元的宽度。 液压无级变速器包括通过闭合液压回路连接的固定位移斜盘柱塞泵和可变排量斜盘柱塞电动机。 柱塞泵的泵壳的一部分的外周直径减小以形成直径减小的部分。 定量尺被定位成使得其测量部分从缩径部分的外周附近的区域向下延伸到变速器壳体的底部。
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公开(公告)号：US07264086B2
公开(公告)日：2007-09-04
申请号：US10662423
申请日：2003-09-16
申请人： Katsuhiko Ito , Shinya Koyama , Ken Oike
发明人： Katsuhiko Ito , Shinya Koyama , Ken Oike
IPC分类号： F01M5/00
摘要： A lubricating system for an internal combustion engine includes lubricating oil recovery oil passages through which lubricating oil dropping to and dwelling in a bottom portion of a crankcase after lubricating individual portions of an internal combustion engine is fed to a lubricating oil tank through an oil cooler by a recovery pump. Lubricating oil supply oil passages supply the lubricating oil from the lubricating oil tank to the individual portions of the internal combustion engine needing lubrication and cooling through an oil filter by a supply pump. The lubricating system includes a branch passage branched from the lubricating oil recovery oil passage communicating from the oil cooler to the lubricating oil tank. The branch passage supplies the lubricating oil to at least one of the individual portions of the internal combustion engine.
摘要翻译： 一种用于内燃机的润滑系统包括润滑油回收油通道，通过该润滑油回收油通道，润滑油回收油通道，通过该润滑油回收油通道，润滑油在内燃机的各个部分润滑后通过润滑油箱通过油冷却器供给到曲轴箱的底部并停留在润滑油箱中 一个回收泵。 润滑油供给油通路将润滑油从润滑油箱供给到通过供给泵通过油过滤器进行润滑和冷却的内燃机的各个部分。 润滑系统包括从从油冷却器连通到润滑油箱的润滑油回收油路分支的分支通路。 分支通道将润滑油供应到内燃机的各个部分中的至少一个。
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公开(公告)号：US07314115B2
公开(公告)日：2008-01-01
申请号：US10660577
申请日：2003-09-12
申请人： Katsuhiko Ito , Noriaki Takano , Shinya Koyama
发明人： Katsuhiko Ito , Noriaki Takano , Shinya Koyama
IPC分类号： F01M1/00
CPC分类号： F02B61/02 , F01M1/04 , F01M11/0004 , F01M11/02 , F01M2001/123 , F01M2011/0037
摘要： A lubricating system for an internal combustion engine includes a recovery pump by which a lubricating oil dropping to and dwelling in a bottom portion of a crankcase after lubricating individual portions of the internal combustion engine is sucked through a pump suction port opened in the bottom portion of the crankcase and is fed to a lubricating oil tank. A supply pump is provided for supplying the lubricating oil from the oil tank to the individual portions of the internal combustion engine. The lubricating tank is integral with the crankcase and is partitioned from a crank chamber by a partition wall projecting from the inside wall of the crankcase. The lubricating system includes an overflow oil passage through which the lubricating oil that flows over the upper edge of a partition wall of the lubricating tank is led to a suction port of the recovery pump.
摘要翻译： 一种用于内燃机的润滑系统，包括回收泵，通过该回收泵，润滑润滑油在内燃机的各个部分润滑后，通过在下方开口的泵吸入口吸入曲轴箱底部的润滑油 曲轴箱并被供给到润滑油箱。 供给泵用于将润滑油从油箱供给到内燃机的各个部分。 润滑箱与曲轴箱成一体，并通过从曲轴箱的内壁突出的分隔壁与曲轴室隔开。 润滑系统包括溢流油通道，流过润滑箱的分隔壁的上边缘的润滑油通过该溢流油通道被引导到回收泵的吸入口。
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公开(公告)号：US06530353B2
公开(公告)日：2003-03-11
申请号：US09851338
申请日：2001-05-09
申请人： Katsuhiko Ito , Masataka Eguchi , Kazuhiro Yasuda
发明人： Katsuhiko Ito , Masataka Eguchi , Kazuhiro Yasuda
IPC分类号： F02F700
CPC分类号： F16C35/077 , F05C2251/042 , F16C9/02 , F16C19/54
摘要： A crankshaft holding structure 10 for use in an internal combustion engine has a front crankshaft 35 supported by a radial roller bearing 25 that is fixed to a crankcase 11 and has an inner side surface 26a. A land 40 of the front crankshaft 35 is held in abutment against the inner side surface 26a to limit crankshafts 30, 35 against axial elongation and deformation. The radial roller bearing 25 has an outside diameter D1 that is the same as an outside diameter of a radial ball bearing 20. The forgoing arrangement includes simplified bushings cast in a crankcase and having bearing press-fitted therein, that allows the bushings to be used as common parts.
摘要翻译： 用于内燃机的曲轴保持结构10具有由曲轴箱11固定的径向滚柱轴承25支撑并具有内侧面26a的前曲轴35。 前曲轴35的平台40保持抵靠内侧表面26a，以限制曲轴30,35抵抗轴向伸长和变形。 径向滚子轴承25具有与径向滚珠轴承20的外径相同的外径D1。上述布置包括铸造在曲轴箱中并具有压配合在其中的轴承的简化轴套，其允许使用轴套 作为公共部分。
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6.发明授权公开(公告)号：US07121163B2
公开(公告)日：2006-10-17
申请号：US10665041
申请日：2003-09-17
申请人： Katsuhiko Ito , Dai Arai , Kazuhiro Yasuda
发明人： Katsuhiko Ito , Dai Arai , Kazuhiro Yasuda
IPC分类号： F16H57/02
CPC分类号： F16H57/04 , F01M11/02 , F01M2001/123 , F02B61/02 , Y10T74/2186
摘要： A lubricating system for a power unit for a vehicle with an internal combustion engine. A static oil hydraulic type non-stage transmission is disposed on a left lateral side of a crankshaft, and a lubricating oil tank is formed integrally with a main body of the internal combustion engine and is disposed on a right lateral side opposite to the side of the transmission, with the crankshaft therebetween.
摘要翻译： 一种用于具有内燃机的车辆的动力单元的润滑系统。 静态油压式非级变速器配置在曲轴的左侧，润滑油箱与内燃机的主体一体形成，并且设置在与内燃机的主体相反侧的右侧 传动，其间具有曲轴。
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公开(公告)号：US06598705B2
公开(公告)日：2003-07-29
申请号：US09851085
申请日：2001-05-09
IPC分类号： F01M120
CPC分类号： F01M1/12 , F01M1/16 , F01M2001/123 , F01M2001/126 , Y10T137/2605
摘要： An oil passage extending from an oil pump to a discharge port in an internal combustion engine is, at its halfway point, branched into at least two oil passages, for example, a first oil passage and a second oil passage. One of the at least two branched oil passages, for example, the second oil passage is provided with a restricting portion configured as a first orifice for restricting a flow amount of oil by reducing a diameter of the first orifice. A bypass valve is provided which acts, when a hydraulic pressure in the second oil passage exceeds a specific value, to bypass the first orifice so as to increase the flow rate of oil. It is possible to increase the hydraulic pressure at the time of low speed rotation up to a necessary pressure only by providing the restricting portion, without enhancing the performance of the oil pump. Accordingly, it is possible to suppress the increase in weight and cost of the lubricating system as compared with the prior art lubricating system in which the performance of the oil pump is enhanced, and since it is not required to increase the rotational speed of the oil pump, it is possible to prevent the loss in output of the internal combustion engine due to the increased friction of the oil pump. Further, it is possible to prevent an excessive increase in pressure of the oil passage by the effect of the bypass valve.
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公开(公告)号：US20070095306A1
公开(公告)日：2007-05-03
申请号：US11589199
申请日：2006-10-30
申请人： Yasushi Fujimoto , Katsuhiko Ito , Kinya Mizuno , Masako Takahashi , Hiromi Sumi , Hiroshi Sotani
发明人： Yasushi Fujimoto , Katsuhiko Ito , Kinya Mizuno , Masako Takahashi , Hiromi Sumi , Hiroshi Sotani
CPC分类号： F02F7/0068 , F01P5/04
摘要： A water-cooled internal combustion engine configured so as to facilitate the change of the cooling system, thereby reducing costs. The crankcase of the water-cooled internal combustion engine is adapted to journal a crankshaft. The crankcase is covered by a crankcase cover from the axial outside. The crankcase is connected to the crankcase cover through an annular shaped spacer, and at least part of a water pump is formed integrally with the spacer.
摘要翻译： 一种水冷内燃机，其构造为便于冷却系统的变化，从而降低成本。 水冷式内燃机的曲轴箱适于使曲轴轴颈。 曲轴箱由轴向外部由曲轴箱盖覆盖。 曲轴箱通过环形间隔件连接到曲轴箱盖，并且水泵的至少一部分与间隔件一体地形成。
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公开(公告)号：US20070029154A1
公开(公告)日：2007-02-08
申请号：US11496618
申请日：2006-08-01
申请人： Yasushi Fujimoto , Katsuhiko Ito , Masazumi Naito
发明人： Yasushi Fujimoto , Katsuhiko Ito , Masazumi Naito
IPC分类号： F16D47/00
摘要： To provide a layout structure of a clutch lever shaft capable of realizing compact layouts of a whole power unit in which a starter centrifugal clutch and a transmission manual multi-plate clutch are provided, and of a whole vehicle on which the power unit is mounted. A centrifugal clutch shaft and a manual multi-plate clutch shaft are disposed in parallel. The clutch lever shaft of the manual multi-plate clutch is disposed orthogonally and substantially vertically upward in relation to a pressing direction of a friction plate in a vicinity of an end portion of a lifter pin. The clutch lever shaft is disposed between the centrifugal clutch and the manual multi-plate clutch when viewed from a top of the power unit.
摘要翻译： 为了提供能够实现设置有起动离合离合器和变速器手动多板离合器的整体动力单元的紧凑布局的离合器杆轴的布置结构以及安装有动力单元的整个车辆。 离心式离合器轴和手动多板式离合器轴并列设置。 手动多板离合器的离合器杆轴相对于提升销的端部附近的摩擦板的按压方向正交且大致垂直向上设置。 当从动力单元的顶部观察时，离合器杆轴设置在离心式离合器和手动多板式离合器之间。
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10.发明授权公开(公告)号：US06996981B2
公开(公告)日：2006-02-14
申请号：US10801483
申请日：2004-03-16
申请人： Katsuhiko Ito , Yasushi Fujimoto , Hideo Okuzaki
发明人： Katsuhiko Ito , Yasushi Fujimoto , Hideo Okuzaki
IPC分类号： F16H39/14
摘要： In order to provide a rotationally balanced hydraulic swash plate plunger unit, a swash plate plunger pump casing is provided with an unbalanced flange to balance a casing which has a swash plate member therein, without requiring a separate counter weight. A hydraulic swash plate plunger pump includes a pump swash plate member, installed in the pump casing and rotatably supported in an inclined manner therein, and a pump cylinder having a plurality of pump plungers slidably disposed therein. An unbalanced five-sided flange portion is formed integrally with the outer wall of the pump casing, to rotationally balance the entire unit.
摘要翻译： 为了提供旋转平衡的液压旋转斜盘柱塞单元，旋转斜盘柱塞泵壳体设置有不平衡的凸缘以平衡其中具有斜盘构件的壳体，而不需要单独的配重。 液压旋转斜盘柱塞泵包括安装在泵壳体中并以倾斜方式可旋转地支撑的泵斜盘构件和具有可滑动地设置在其中的多个泵柱塞的泵缸。 与泵壳体的外壁一体形成不平衡的五边缘部分，以使整个单元旋转平衡。
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