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21. 发明申请

US20070074698A1 Lubrication system of small vehicle engine 有权
公开(公告)号：US20070074698A1
公开(公告)日：2007-04-05
申请号：US11527383
申请日：2006-09-27
申请人： Yuichi Tawarada , Eiko Shiozaki , Isamu Takahashi
发明人： Yuichi Tawarada , Eiko Shiozaki , Isamu Takahashi
IPC分类号： F02F7/00 , F01M1/02
CPC分类号： F01M11/02
摘要： A lubrication system of a vehicle engine wherein a cylinder head has a head side oil passage disposed at one end thereof along the axis of a crankshaft. A lower case of a crankcase is provided with a supply source side oil passage communicating with an oil supply source and extending parallel to the axis of the crankshaft and a branched oil passage guiding oil to the head side oil passage which branches from the supply source side oil passage and extends upwardly. An upper case side oil passage extending vertically to communicate with a head side oil passage is provided at one end of an upper case along the axis of the crankshaft. A communication passage communicating the upper end of a branched oil passage is provided in a lower case in a position inwardly from the upper case side oil passage along the axis of the crankshaft.

22. 发明申请

US20060213464A1 Vehicular power unit 有权
标题翻译：车载电源单元
公开(公告)号：US20060213464A1
公开(公告)日：2006-09-28
申请号：US11389148
申请日：2006-03-27
申请人： Yuichi Tawarada , Eiko Shiozaki , Hiroyuki Kawakubo , Kazuyuki Nakia
发明人： Yuichi Tawarada , Eiko Shiozaki , Hiroyuki Kawakubo , Kazuyuki Nakia
IPC分类号： F01P5/10 , F02B75/32
CPC分类号： F02B63/02 , F01P5/12 , F02B61/02 , F02B63/04
摘要： A vehicular power unit including a drive-side transmission sprocket wheel provided on an end of an output shaft that protrudes from one side of a crankcase, an endless transmission belt for transmitting power to a driving wheel wound the sprocket wheel. The endless transmission belt transmits power from the crankshaft to a transmission housed in the crankcase. A water pump is arranged on the same side of the crankcase in a position between the crankshaft and the output shaft. Further, the water pump is disposed inside the drive-side transmission sprocket wheel in a direction along the axis of an output shaft. This configuration enables the vehicular power unit to be formed in a compact size in a direction along an axis of a crankshaft.
摘要翻译：一种车辆动力单元，包括设置在从曲轴箱的一侧突出的输出轴的端部的驱动侧传动链轮，用于将动力传递到缠绕在链轮上的驱动轮的环形传动带。无端传动带将动力从曲轴传递到容纳在曲轴箱中的传动装置。在曲轴和输出轴之间的位置，在曲轴箱的同一侧设置水泵。此外，水泵沿着输出轴的轴线的方向配置在驱动侧传动链轮的内侧。这种构造使得车辆动力单元能够沿着曲轴的轴线的方向形成为紧凑的尺寸。

23. 发明授权

US07966982B2 Fixation structure for valve system rotation shaft of internal combustion engine 有权
标题翻译：内燃机阀系旋转轴固定结构
公开(公告)号：US07966982B2
公开(公告)日：2011-06-28
申请号：US12615458
申请日：2009-11-10
申请人： Yuichi Tawarada , Toshio Yamamoto
发明人： Yuichi Tawarada , Toshio Yamamoto
IPC分类号： F01L1/02
CPC分类号： F01L13/0036 , F01L1/022 , F01L1/08 , F01L1/185 , F01L1/267 , F01L1/462 , F01L2001/0476 , F01L2001/0537 , F01L2820/033
摘要： A fixation structure for a valve system rotation shaft of an internal combustion engine to support a camshaft with a cylinder head through the use of a lower cam holder and cam caps, which are formed separately from the cylinder head. The fixation structure eliminates the necessity of taking special vibration/noise control measures for a head cover thus preventing an increase in the cost, size, and weight of the head cover. A head external wall extends toward the head cover rather than toward a head middle surface in such a manner so as to cover the circumference of the lower cam holder fixed to a head middle surface. The connection to the holder fixation section is established with the base end of an external wall of the head cover abutted on the leading end of the head external wall.
摘要翻译：一种用于内燃机的阀系旋转轴的固定结构，其通过使用与气缸盖分开形成的下凸轮保持器和凸轮盖来支撑具有气缸盖的凸轮轴。固定结构消除了对头盖采取特殊的振动/噪声控制措施的必要性，从而防止了头盖的成本，尺寸和重量的增加。头部外壁以这样的方式朝向头部盖罩而不是朝向头部中间表面延伸，以便覆盖固定到头部中间表面的下部凸轮保持器的周边。与保持器固定部分的连接被建立，头盖的外壁的基端邻接头部外壁的前端。

24. 发明授权

US07874949B2 Power unit with auxiliary machine driving transmission mechanism 有权
标题翻译：动力单元带辅机驱动传动机构
公开(公告)号：US07874949B2
公开(公告)日：2011-01-25
申请号：US11527604
申请日：2006-09-27
申请人： Yuichi Tawarada
发明人： Yuichi Tawarada
IPC分类号： F16H7/08 , F16H7/18
CPC分类号： F16H7/18
摘要： In a power unit, a counter shaft of a transmission and a crank shaft of an internal combustion engine, both located below a main shaft of the transmission, are arranged parallel to each other on a separating plane H of a crankcase. In a transmission mechanism T which drives an oil pump located below the separating plane H, a drive sprocket is placed on the main shaft of the transmission and a driven sprocket is placed on a drive shaft of the oil pump. An endless chain slidably touches a slender long chain guide along the running direction of the endless chain. The chain guide is fitted only to an end wall of an upper crankcase at its fitting part. The chain guide stretches across the end wall of the upper crankcase and an end wall of a lower crankcase, and effectively suppresses vibration of the endless chain.
摘要翻译：在动力单元中，位于变速器主轴下方的变速器的副轴和内燃机的曲柄轴在曲轴箱的分离平面H上彼此平行地布置。在驱动位于分离平面H下方的油泵的传动机构T中，驱动链轮被放置在变速器的主轴上，并且从动链轮被放置在油泵的驱动轴上。环形链条沿着环形链条的行进方向可滑动地接触细长的导轨。链条导轨仅在其曲轴箱的安装部分安装在上曲轴箱的端壁上。链条引导件穿过上曲轴箱的端壁和下曲轴箱的端壁，并且有效地抑制环形链的振动。

25. 发明申请

US20100077977A1 Internal combustion engine equipped with a variable valve control system 有权
标题翻译：内燃机配有可变气门控制系统
公开(公告)号：US20100077977A1
公开(公告)日：2010-04-01
申请号：US12586228
申请日：2009-09-18
申请人： Takuya Warashina , Yuki Uzawa , Yuichi Tawarada , Yoshihiro Takada , Katsuhiro Kubo
发明人： Takuya Warashina , Yuki Uzawa , Yuichi Tawarada , Yoshihiro Takada , Katsuhiro Kubo
IPC分类号： F01L1/34 , F01L1/18
CPC分类号： F01L13/0036 , F01L1/185 , Y10T74/20882 , Y10T74/2107
摘要： The invention provides an internal combustion engine equipped with a variable valve control system which switches the actions of an engine valve by sliding a rocker arm in the axial direction of the rocker arm shaft, while enabling the restriction on the sliding movement of the rocker arm to be removed in accordance with the timings of the actions of the rocker arms irrespective of the engine speed. The internal combustion engine includes an actuator that moves a rocker arm shaft in its axial direction, a trigger arm that engages with a rocker arm to prohibit the sliding movement of the rocker arm, and a trigger pin which is configured to be activated by an axial movement of the rocker arm shaft to bring the trigger arm into action, and to disengage the trigger arm from the rocker arm.
摘要翻译：本发明提供一种配备有可变气门控制系统的内燃机，该可变气门控制系统通过在摇臂轴的轴向滑动摇臂来切换发动机气门的动作，同时能够限制摇臂的滑动运动根据摇臂的动作的时间，不管发动机的速度如何，都要被移除。内燃机包括使摇臂轴沿其轴向移动的致动器，与摇臂接合以阻止摇臂的滑动运动的触发臂，以及触发销，其构造成由轴向摇臂轴的运动以使触发臂起作用，并使触发臂与摇臂分离。

26. 发明申请

US20080006086A1 Mounting structure for an oil level sight glass for an internal combustion engine and engine incorporating same 失效
标题翻译：用于内燃机和含有其的发动机的油位视镜的安装结构
公开(公告)号：US20080006086A1
公开(公告)日：2008-01-10
申请号：US11821690
申请日：2007-06-25
申请人： Yuichi Tawarada , Tsuyoshi Arima
发明人： Yuichi Tawarada , Tsuyoshi Arima
IPC分类号： G01F23/02
CPC分类号： G01F23/02
摘要： A crankcase having a mounting structure configured to receive an oil level sight glass fitted on a lower outer portion of the crankcase in a through hole formed therein, and a retainer member clamped to an outer surface of the crankcase to prevent the oil level sight glass from falling off. An outwardly protrudingly rib is formed on the outer portion of the crankcase which is engaged with a cut formed on the retainer member to securely position the retainer member on the crankcase. The retainer member includes a scale mark provided thereon, and the oil level sight glass permits visual observation for checking an oil level of oil held in an oil reservoir disposed at the lower portion of the crankcase.
摘要翻译：一种具有安装结构的曲轴箱，其构造成在形成在其中的通孔中容纳安装在曲轴箱的下部外部的油位观察窗，以及夹持在曲轴箱外表面上的保持构件，以防止油位观察窗脱落在曲轴箱的外部形成向外突出的肋，该曲轴箱与形成在保持器构件上的切口接合，以将保持构件牢固地定位在曲轴箱上。保持器构件包括设置在其上的刻度标记，并且油位观察窗允许目视观察以检查保持在设置在曲轴箱下部的储油器中的油的油位。

27. 发明授权

US07267094B2 Lubrication system of small vehicle engine 有权
标题翻译：小型车辆发动机润滑系统
公开(公告)号：US07267094B2
公开(公告)日：2007-09-11
申请号：US11527383
申请日：2006-09-27
申请人： Yuichi Tawarada , Eiko Shiozaki , Isamu Takahashi
发明人： Yuichi Tawarada , Eiko Shiozaki , Isamu Takahashi
IPC分类号： F01M11/02 , F01M3/04
CPC分类号： F01M11/02
摘要： A lubrication system of a vehicle engine wherein a cylinder head has a head side oil passage disposed at one end thereof along the axis of a crankshaft. A lower case of a crankcase is provided with a supply source side oil passage communicating with an oil supply source and extending parallel to the axis of the crankshaft and a branched oil passage guiding oil to the head side oil passage which branches from the supply source side oil passage and extends upwardly. An upper case side oil passage extending vertically to communicate with a head side oil passage is provided at one end of an upper case along the axis of the crankshaft. A communication passage communicating the upper end of a branched oil passage is provided in a lower case in a position inwardly from the upper case side oil passage along the axis of the crankshaft.
摘要翻译：一种车辆发动机的润滑系统，其中气缸盖具有沿着曲轴的轴线设置在其一端的头侧油路。曲轴箱的下壳体设置有供油源油路，其与供油源连通并且平行于曲轴的轴线延伸，并且将分支的油路导向油提供到从供给源侧分支的头侧油路油通道向上延伸。沿着曲轴的轴线，在上壳体的一端设置有垂直延伸地与头侧油路连通的上壳体侧油路。连通分支油路的上端的连通通道沿着曲轴的轴线从上壳体侧油路向内设置在下壳体中。

28. 发明申请

US20070082774A1 Power unit with auxiliary machine driving transmission mechanism 有权
标题翻译：动力单元带辅机驱动传动机构
公开(公告)号：US20070082774A1
公开(公告)日：2007-04-12
申请号：US11527604
申请日：2006-09-27
申请人： Yuichi Tawarada
发明人： Yuichi Tawarada
IPC分类号： F16H7/08 , F16H7/18
CPC分类号： F16H7/18
摘要： In a power unit, a counter shaft of a transmission and a crank shaft of an internal combustion engine, both located below a main shaft of the transmission, are arranged parallel to each other on a separating plane H of a crankcase. In a transmission mechanism T which drives an oil pump located below the separating plane H, a drive sprocket is placed on the main shaft of the transmission and a driven sprocket is placed on a drive shaft of the oil pump. An endless chain slidably touches a slender long chain guide along the running direction of the endless chain. The chain guide is fitted only to an end wall of an upper crankcase at its fitting part. The chain guide stretches across the end wall of the upper crankcase and an end wall of a lower crankcase, and effectively suppresses vibration of the endless chain.
摘要翻译：在动力单元中，位于变速器主轴下方的变速器的副轴和内燃机的曲柄轴在曲轴箱的分离平面H上彼此平行地布置。在驱动位于分离平面H下方的油泵的传动机构T中，驱动链轮被放置在变速器的主轴上，并且从动链轮被放置在油泵的驱动轴上。环形链条沿着环形链条的行进方向可滑动地接触细长的导轨。链条导轨仅在其曲轴箱的安装部分安装在上曲轴箱的端壁上。链条引导件穿过上曲轴箱的端壁和下曲轴箱的端壁，并且有效地抑制环形链的振动。

29. 发明授权

US06453762B1 Change device of transmission for vehicle 失效
标题翻译：更换车辆变速器
公开(公告)号：US06453762B1
公开(公告)日：2002-09-24
申请号：US09692181
申请日：2000-10-20
申请人： Yutaka Nishikawa , Atsuo Ota , Yuichi Tawarada
发明人： Yutaka Nishikawa , Atsuo Ota , Yuichi Tawarada
IPC分类号： F16H5900
CPC分类号： F16H61/32 , F16H63/16 , Y10T74/19251 , Y10T74/1926 , Y10T477/641
摘要： To enable a change spindle to be always operated as a driver wishes by providing an alternative selection of a motor change mode and a manual change mode. A change motor and a change manipulating member are arranged such that they can be connected to a change spindle of a transmission in parallel. Mode changeover means which can be changed over between a motor change mode position (A) which enables the operation of the change spindle only by the change motor and a manual change mode position (B) which enables the operation of the change spindle only by the change manipulating member is disposed between the change spindle and the change motor and the change manipulating member.
摘要翻译：通过提供电机更换模式和手动更换模式的替代选择，可以使变频主轴始终作为驾驶员期望运转。换档马达和换档操作构件被布置成使得它们可以并联连接到变速器的换档主轴。模式切换装置，其可以在能够通过换向电动机进行换档主轴的动作的电动机变换模式位置（A）和能够仅通过变更主动作动作的变更主轴的手动变速模式位置（B）之间切换变更操作构件配置在变更主轴与变更电动机以及变更操作构件之间。

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