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1. 发明授权

US5218885A Engine balancing and improvements thereof 失效
标题翻译：发动机平衡及其改进
公开(公告)号：US5218885A
公开(公告)日：1993-06-15
申请号：US767785
申请日：1991-09-27
申请人： Shinichi Nakano , Hiroyuki Kawakubo , Toshio Shimada , Hiroshi Wakoh
发明人： Shinichi Nakano , Hiroyuki Kawakubo , Toshio Shimada , Hiroshi Wakoh
IPC分类号： F02B61/02 , F02B67/00 , F02B75/02 , F02B75/16 , F02F1/24 , F16F15/26
CPC分类号： F02B61/02 , F02B75/16 , F16F15/265 , F02B2075/027 , F02B67/00 , F02F2001/245 , Y10T74/18208 , Y10T74/19233 , Y10T74/19647 , Y10T74/2157 , Y10T74/2183
摘要： This invention is concerned with an improved system of dynamic balancing of the primary and secondary vibrations associated with combustion and inertial momentum effects, in particular, in single cylinder engines. By means of the primary and secondary balancing shafts, the invention achieves maximum balancing effects in small spaces, by combining the power transmission and dynamic balancing functions of the shafts; by mechanical arrangement of the primary and secondary balancing shafts in the vicinity of and parallel with the crank shaft; and by a judicious choice of the inter-shaft distances to permit placing the largest possible momentum balancing weights to the balancing sections.
摘要翻译：本发明涉及与燃烧和惯性动量效应特别是单缸发动机相关联的主要和次要振动的动态平衡的改进系统。通过一次和二次平衡轴，本发明通过组合动力传递和轴的动平衡功能，在小空间中实现最大的平衡效果; 通过在曲轴附近并与曲轴平行的主平衡轴和次平衡轴的机械布置; 并且通过明智地选择轴间距离，以允许将最大可能的动量平衡重量放置到平衡部分。

2. 发明申请

US20060213478A1 Vehicular power unit with improved transmission structure 有权
标题翻译：车载动力装置具有改进的传动结构
公开(公告)号：US20060213478A1
公开(公告)日：2006-09-28
申请号：US11387663
申请日：2006-03-23
申请人： Yuichi Tawarada , Hiroyuki Kawakubo
发明人： Yuichi Tawarada , Hiroyuki Kawakubo
IPC分类号： F02B75/32
CPC分类号： F16H57/02 , F02B61/02 , F02B61/06 , F16H63/18 , F16H2057/0203 , F16H2057/02065 , F16H2057/02091 , F16H2057/02095 , Y10T74/19223 , Y10T74/19251 , Y10T74/19279
摘要： A transmission structure of a power unit for a vehicle includes a clutch mechanism that is provided between a crankshaft and a main shaft, and is installed at the end of the main shaft outside a crankcase. The transmission includes a shift drum for driving shift forks for selectively establishing any of plural speeds. Both ends in an axial direction of the shift drum are rotatably supported by the crankcase. In the transmission structure, a sealed structure dedicated to the shift drum is not required, the number of parts is reduced and the assembly time is reduced. The shift drum, arranged in the maximum outside diameter of the clutch mechanism when viewed in a plane perpendicular to the axis of the main shaft, is assembled in the crankcase from the side of the clutch mechanism.
摘要翻译：用于车辆的动力单元的传动结构包括设置在曲轴和主轴之间的离合器机构，并且安装在主轴外部的曲轴箱的端部。变速器包括用于驱动换档叉的换档鼓，用于选择性地建立多个速度的任何一个。变速鼓的轴向的两端由曲轴箱可旋转地支撑。在传动结构中，不需要专门用于换档鼓的密封结构，部件数量减少，组装时间减少。当从垂直于主轴的轴线的平面中观察时，配置在离合器机构的最大外径上的换档鼓从离合器机构的一侧组装在曲轴箱中。

3. 发明授权

US5626111A Structure for blocking oil supply hole of kick idle gear bearing portion 失效
标题翻译：怠速齿轮轴承部分供油孔堵塞结构
公开(公告)号：US5626111A
公开(公告)日：1997-05-06
申请号：US476321
申请日：1995-06-07
申请人： Hiroyuki Kawakubo , Satoru Narita
发明人： Hiroyuki Kawakubo , Satoru Narita
IPC分类号： F02B77/00 , F01M11/00 , F02B61/02 , F02B75/02 , F02B75/16 , F02N3/04 , F16N21/06
CPC分类号： F02B75/16 , F01M11/00 , F02B61/02 , F16N21/06 , F02B2075/027
摘要： A structure for blocking an oil supply hole of a kick idle gear bearing portion is provided in an internal combustion engine of a type wherein a kick starting mechanism is removably mounted for transmitting an input from a kick arm to a crank shaft by way of a kick idle gear rotatably supported by a counter shaft. When the kick starting mechanism is removed and a self stating mode is set, an oil supply hole of a bearing portion in the state that the kick idle gear of the counter shaft is removed is blocked by a blocking member having a slip preventive function. The blocking member includes an insertion portion inserted in the oil supply hole, and an abutment portion integrally formed with the insertion portion, which is abutted on the outer peripheral surface of the bearing portion.
摘要翻译：在一种内燃机中设置有用于阻止怠速齿轮承载部分的供油孔的结构，其中可以可拆卸地安装踢脚启动机构，以便通过踢脚从脚肘传递到曲柄轴的输入由副轴可旋转地支撑的空转齿轮。当踢脚启动机构被移除并且设定自动模式时，在相反轴的踢脚齿轮被去除的状态下的轴承部分的供油孔被具有防滑功能的阻挡件阻挡。阻挡构件包括插入供油孔中的插入部分和与插入部一体形成的抵接部，该抵接部抵靠在轴承部的外周面上。

4. 发明授权

US07469611B2 Vehicular power unit with improved transmission structure 有权
标题翻译：车载动力装置具有改进的传动结构
公开(公告)号：US07469611B2
公开(公告)日：2008-12-30
申请号：US11387663
申请日：2006-03-23
申请人： Yuichi Tawarada , Hiroyuki Kawakubo
发明人： Yuichi Tawarada , Hiroyuki Kawakubo
IPC分类号： F16H59/00 , F16H63/00 , F16J61/00
CPC分类号： F16H57/02 , F02B61/02 , F02B61/06 , F16H63/18 , F16H2057/0203 , F16H2057/02065 , F16H2057/02091 , F16H2057/02095 , Y10T74/19223 , Y10T74/19251 , Y10T74/19279
摘要： A transmission structure of a power unit for a vehicle includes a clutch mechanism that is provided between a crankshaft and a main shaft, and is installed at the end of the main shaft outside a crankcase. The transmission includes a shift drum for driving shift forks for selectively establishing any of plural speeds. Both ends in an axial direction of the shift drum are rotatably supported by the crankcase. In the transmission structure, a sealed structure dedicated to the shift drum is not required, the number of parts is reduced and the assembly time is reduced. The shift drum, arranged in the maximum outside diameter of the clutch mechanism when viewed in a plane perpendicular to the axis of the main shaft, is assembled in the crankcase from the side of the clutch mechanism.
摘要翻译：用于车辆的动力单元的传动结构包括设置在曲轴和主轴之间的离合器机构，并且安装在主轴外部的曲轴箱的端部。变速器包括用于驱动换档叉的换档鼓，用于选择性地建立多个速度的任何一个。变速鼓的轴向的两端由曲轴箱可旋转地支撑。在传动结构中，不需要专门用于换档鼓的密封结构，部件数量减少，组装时间减少。当从垂直于主轴的轴线的平面观察时，设置在离合器机构的最大外径上的换档鼓从离合器机构的侧面组装在曲轴箱中。

5. 发明授权

US07104239B2 Engine crankcase structure 有权
标题翻译：发动机曲轴箱结构
公开(公告)号：US07104239B2
公开(公告)日：2006-09-12
申请号：US10890114
申请日：2004-07-14
申请人： Hiroyuki Kawakubo , Toru Gunji
发明人： Hiroyuki Kawakubo , Toru Gunji
IPC分类号： F02B75/06
CPC分类号： F01M11/02 , F02B61/02
摘要： To miniaturize an engine, to concentrate heavy masses and to reduce friction loss of a balancer. An engine crankcase structure in which a crankcase is vertically partitioned into an upper case and a lower case, each journal supporter is formed in the upper case and in the lower case so that the rotational axis of a crankshaft is located on a partition face of the crankcase in parallel with a direction of the width of the body. The crankshaft is supported so that the crankshaft can be rotated. An oil filter is directly attached to the lower case. An oil cooler and a secondary balancer are arranged in the front of the lower case.
摘要翻译：为了小型发动机，集中重物并减少平衡器的摩擦损失。一种发动机曲轴箱结构，其中曲轴箱垂直分隔成上壳体和下壳体，每个轴颈支撑件形成在上壳体和下壳体中，使得曲轴的旋转轴线位于曲轴箱与身体宽度方向平行。曲轴被支撑以使曲轴能够旋转。油过滤器直接连接到下壳体。一个油冷却器和二次平衡器布置在下壳体的前部。

6. 发明授权

US07021267B2 Multi-cylinder internal combustion engine and vehicle incorporating same 失效
标题翻译：多缸内燃机和并入其的车辆
公开(公告)号：US07021267B2
公开(公告)日：2006-04-04
申请号：US10735293
申请日：2003-12-12
申请人： Hiroyuki Kawakubo , Toru Gunji , Hiromi Sumi
发明人： Hiroyuki Kawakubo , Toru Gunji , Hiromi Sumi
IPC分类号： F01M5/00
CPC分类号： F01M5/002 , F01M11/02 , F01M11/03
摘要： A multi-cylinder internal combustion engine draws oil from an oil reservoir with an oil pump, and supplies oil to individual areas of the engine, after passing the oil through an oil filter and an oil cooler. A filter case containing an element of the oil filter is mounted to a side surface of the engine to facilitate the removal and replacement of the case. The oil cooler and a balancer are each respectively mounted to a front central portion of the internal combustion engine to enable oil cooling by an air-cooling effect of a running airflow, and to balance weight in the left-right direction of the internal combustion engine. Oil discharged from the oil cooler is introduced to a substantially central portion of the main gallery, to achieve uniformity of oil pressure supplied to individual bearing portions and uniformity of cooling of the individual bearing portions.
摘要翻译：多缸内燃机通过油泵将油从油箱中抽出油，并将油通过油过滤器和油冷却器后，向发动机的各个区域供油。包含油过滤器的元件的过滤器壳体安装到发动机的侧表面，以便于拆卸和更换外壳。油冷却器和平衡器分别安装到内燃机的前中心部分，以通过运行气流的空气冷却效果来实现油冷却，并且平衡内燃机的左右方向的重量。从油冷却器排出的油被引入主画廊的大致中央部分，以实现供给各个轴承部分的油压的均匀性和各个轴承部分的冷却均匀性。

7. 发明申请

US20050087032A1 Speed change gear drive for transmission 失效
标题翻译：变速齿轮传动
公开(公告)号：US20050087032A1
公开(公告)日：2005-04-28
申请号：US10911942
申请日：2004-08-04
申请人： Hiroyuki Kawakubo , Toru Gunji
发明人： Hiroyuki Kawakubo , Toru Gunji
IPC分类号： F16H57/02 , F16H57/023 , F16H63/08 , F16H63/18 , B60K20/00
CPC分类号： F16H63/18 , Y10T74/19219 , Y10T74/19242 , Y10T74/19279 , Y10T74/20018
摘要： The invention relates to a speed change gear drive for a transmission that can miniaturize an engine by improving the layout of parts. In particular, the invention relates to a speed change gear drive in which a change spindle is supported by a transmission case and a shift drum supported by the transmission case so that the shift drum can be rotated is driven by the turning of a change arm fixed to the change spindle, a shift fork the position of which is changed by the rotation of the shift drum and a shift fork rod that supports this shift fork are provided, and the change spindle and the shift fork rod are overlapped when the body of an engine is viewed from the side.
摘要翻译：本发明涉及一种用于变速器的变速齿轮传动装置，其可通过改进部件的布局来使发动机小型化。特别地，本发明涉及一种变速齿轮传动装置，其中变速主轴由变速器壳体和由变速箱支撑的变速鼓支撑，使得换档鼓可以旋转，由变速杆固定的转动驱动通过变速滚筒的旋转而改变其位置的换档拨叉和支撑该换档拨叉的换档拨叉，并且当主体的换档拨叉发动机从侧面看。

8. 发明授权

US07055487B2 Vehicle engine 有权
标题翻译：汽车发动机
公开(公告)号：US07055487B2
公开(公告)日：2006-06-06
申请号：US10757529
申请日：2004-01-15
申请人： Hiroyuki Kawakubo , Toru Gunji , Hiroshi Nakagome , Toshihisa Nagashii
发明人： Hiroyuki Kawakubo , Toru Gunji , Hiroshi Nakagome , Toshihisa Nagashii
IPC分类号： F01M1/00
CPC分类号： F01M11/03
摘要： To facilitate attachment/detachment work of an oil filter in a vehicle engine without increasing an outer dimension thereof, and to provide a uniform a supply of engine oil into an engine body. An oil filter is attached onto a front portion of the engine body so as to be detachable in a vehicle body width direction from a side face of the engine body. An exhaust pipe on a side on which an oil filter is attached is displaced to a center side in the vehicle body width direction so as not to overlap the oil filter when viewed from a front of the engine body.
摘要翻译：为了便于车辆发动机中的油过滤器的附接/拆卸工作，而不增加其外部尺寸，并且提供均匀的发动机油供应到发动机主体中。机油滤清器安装在发动机主体的前部，以便能够从发动机主体的侧面沿车体宽度方向拆卸。安装有机油滤清器的一侧的排气管朝向车体宽度方向的中心侧移动，从而当从发动机主体的前方观察时不与油过滤器重叠。

9. 发明授权

US07055383B2 Gear position detection system for a transmission 失效
标题翻译：变速箱位置检测系统
公开(公告)号：US07055383B2
公开(公告)日：2006-06-06
申请号：US10737698
申请日：2003-12-16
申请人： Hiroyuki Kawakubo , Toru Gunji
发明人： Hiroyuki Kawakubo , Toru Gunji
IPC分类号： G01C21/00
CPC分类号： F16H59/70 , B62M25/06 , F16H63/18
摘要： A gear position detecting system includes structure which facilitates mounting of the system, and minimizes direct contact of other objects with the system. The outer circumferential surface of a shift drum, turned by operation of a change pedal, is provided with lead grooves. Shift forks, engaged with the lead grooves, are moved in the left-right direction by turning of the shift drum, whereby shift gears are changed over, and a speed change desired by the rider is performed. A detection pin of a neutral safety switch, which is one of gear position sensors, is pushed in by a detection cam of a cam surface provided at the outer circumferential surface of the shift drum in the speed change operation position, whereby a neutral position is detected.
摘要翻译：齿轮位置检测系统包括便于安装系统的结构，并使其它物体与系统的直接接触最小化。通过操作换档踏板而转动的换档鼓的外圆周表面设置有引导槽。与引导槽接合的换档叉通过换档鼓的转动在左右方向上移动，由此变速齿轮被切换，并且执行由骑手所期望的速度变化。作为齿轮位置传感器之一的中立安全开关的检测销被设在变速操作位置的变速鼓的外周面的凸轮面的检测凸轮推入，中空位置为检测到。

10. 发明授权

US06971362B2 Threaded fastener for an internal combustion engine, and internal combustion engine incorporating same 失效
标题翻译：用于内燃机的螺纹紧固件和结合其的内燃机
公开(公告)号：US06971362B2
公开(公告)日：2005-12-06
申请号：US10791672
申请日：2004-03-02
申请人： Toru Gunji , Hiroyuki Kawakubo , Hisao Otsuka
发明人： Toru Gunji , Hiroyuki Kawakubo , Hisao Otsuka
IPC分类号： F02B61/02 , F02F7/00 , F16B35/00 , F16B35/04 , F16C9/02 , F16F15/24
CPC分类号： F02F7/0053 , F02B61/02 , F16B35/044 , F16C9/02
摘要： A threaded fastener is configured to reduce stress experienced at a female threaded portion of a hole formed in an engine block, when the threaded fastener is inserted therein, and when an axial load is applied thereto. In a particular application, a crankshaft is supported between a top supporting wall of a crankcase and a bottom supporting wall of a main cap. The inventive bolt includes a hollowed-out male threaded portion, which fits into a hole in the top supporting wall. The male threaded portion includes an elastically deformable low-rigidity portion, in which a cylindrical hole is concentrically formed. The maximum allowable stress of the top supporting wall is less than that of the bolt, due to material considerations. The low-rigidity portion is placed overlapping the female threaded portion in the axial direction, and since it is elastically deformable, it helps alleviate the stress experienced by the female threaded portion.
摘要翻译：螺纹紧固件构造成当螺纹紧固件插入其中时以及当向其施加轴向载荷时，减小在形成在发动机缸体中的孔的内螺纹部分处经受的应力。在具体应用中，曲轴支撑在曲轴箱的顶部支撑壁和主盖的底部支撑壁之间。本发明的螺栓包括中空的外螺纹部分，该螺纹部分装配在顶部支撑壁中的孔中。外螺纹部分包括可弹性变形的低刚性部分，其中圆柱形孔同心地形成。由于材料考虑，顶部支撑壁的最大允许应力小于螺栓的最大允许应力。低刚性部分沿着轴向方向与母螺纹部分重叠，并且由于其是可弹性变形的，所以有助于减轻内螺纹部分所经受的应力。

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