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1. 发明授权

US07458359B2 Internal combustion engine having crankcase with stress-relieving wall structure 失效
公开(公告)号：US07458359B2
公开(公告)日：2008-12-02
申请号：US11711463
申请日：2007-02-27
申请人： Masaki Yoneyama , Naoki Kono , Kohji Minami , Fumiaki Okubo , Hiroshi Kuribara
发明人： Masaki Yoneyama , Naoki Kono , Kohji Minami , Fumiaki Okubo , Hiroshi Kuribara
IPC分类号： F02B75/22
CPC分类号： F02F7/0012 , F02F2007/0041 , F02F2007/0063
摘要： An internal combustion engine is provided with a crankcase partitioned into an upper section and a lower section. A fastening bolt is provided for fastening the upper and lower crankcase sections together in the vicinity of a crankshaft. A bolt hole is formed in the crankcase, and the fastening bolt is inserted and tightened in the bolt hole. An opening is formed at an end of the bolt hole within the upper crankcase, the end of the bolt hole is made to communicate with this opening, and the end of the fastening bolt protrudes into the opening when the engine is assembled, to lighten the crankcase, and in order to avoid concentrating stress in the bolt hole near the end of the bolt.

2. 发明申请

US20130025562A1 LUBRICATION STRUCTURE FOR BEARING SECTION 有权
标题翻译：轴承润滑结构
公开(公告)号：US20130025562A1
公开(公告)日：2013-01-31
申请号：US13552958
申请日：2012-07-19
申请人： Yoshiki Nagahashi , Kazuya Tajiri , Fumiaki Okubo
发明人： Yoshiki Nagahashi , Kazuya Tajiri , Fumiaki Okubo
IPC分类号： F01M7/00
CPC分类号： F01M5/025 , F01M2011/028
摘要： A lubrication structure for a bearing section of an internal combustion engine including a crankcase having a wall portion, a bearing secured to the wall portion, a rotational shaft supported for rotation by the bearing, and a bearing restriction member disposed on a side face of an outer race portion of the bearing and configured to suppress coming off of the bearing, wherein an oil receiving portion formed in a swollen state on the wall portion along an outer periphery on the outer side of an outer periphery below the center axis of the bearing, and an oil reserve section is provided so as to extend over the oil receiving portion and the bearing restriction member.
摘要翻译：一种用于内燃机的轴承部分的润滑结构，该内燃机的轴承部分包括具有壁部的曲轴箱，固定在壁部上的轴承，由轴承支承的旋转轴以及设置在轴承侧面上的轴承限制件所述轴承的外圈部分被构造为抑制所述轴承的脱落，其中，沿着所述轴承的中心轴线的外周的外侧的外周在所述壁部上形成为膨胀状态的油接收部，并且设置有油保持部，以便在油接收部和轴承限制部上延伸。

3. 发明授权

US07134202B2 Structure for transmitting power of a motorcycle engine, and a method of assembly of said structure 有权
标题翻译：摩托车发动机的发送功率的结构以及所述结构的组装方法
公开(公告)号：US07134202B2
公开(公告)日：2006-11-14
申请号：US10777903
申请日：2004-02-13
申请人： Atsuo Hojyo , Hiroatsu Inui , Naoki Kohno , Fumiaki Okubo
发明人： Atsuo Hojyo , Hiroatsu Inui , Naoki Kohno , Fumiaki Okubo
IPC分类号： B21K3/00
CPC分类号： B62M7/00 , F02B61/02 , F16H37/043 , Y10T29/49231 , Y10T29/49464 , Y10T29/4984 , Y10T74/19647 , Y10T74/19651 , Y10T74/19898
摘要： A structure for transmitting the power of a motorcycle engine includes an intermediate shaft arranged between a crankshaft and an input shaft of a transmission, and a method for making the structure. The structure and the method have the objective of shortening the distances between these three shafts, improving workability of assembling, and providing freedom of setting a speed reduction ratio. An intermediate shaft driven gear and an intermediate shaft driving gear having a diameter smaller than the intermediate shaft driven gear and are mounted in two steps, with the former overlaid on the latter, on an end of the intermediate shaft projecting outside a right case. Similarly, the intermediate shaft driven gear is engaged with a primary gear of the crankshaft, and the intermediate shaft driving gear is engaged with a primary driven gear of the input shaft at a location outside the right case.
摘要翻译：用于传递摩托车发动机的动力的结构包括布置在变速器的曲轴和输入轴之间的中间轴以及用于制造该结构的方法。该结构和方法的目的是缩短这三个轴之间的距离，提高组装的可加工性，并提供设定减速比的自由度。中间轴从动齿轮和中间轴驱动齿轮，其直径小于中间轴从动齿轮，并且在中间轴的一个端部上突出在右壳体的外侧两个台阶上安装有前者，后者叠置在其上。类似地，中间轴从动齿轮与曲轴的主齿轮接合，并且中间轴驱动齿轮在右壳体外部的位置处与输入轴的主从动齿轮接合。

4. 发明授权

US06715376B2 Structure for transmitting power of a motorcycle engine, and a method for assembly of said structure 失效
公开(公告)号：US06715376B2
公开(公告)日：2004-04-06
申请号：US09949754
申请日：2001-09-12
申请人： Atsuo Hojyo , Hiroatsu Inui , Naoki Kohno , Fumiaki Okubo
发明人： Atsuo Hojyo , Hiroatsu Inui , Naoki Kohno , Fumiaki Okubo
IPC分类号： B60K1704
CPC分类号： B62M7/00 , F02B61/02 , F16H37/043 , Y10T29/49231 , Y10T29/49464 , Y10T29/4984 , Y10T74/19647 , Y10T74/19651 , Y10T74/19898
摘要： A structure for transmitting the power of a motorcycle engine includes an intermediate shaft arranged between a crankshaft and an input shaft of a transmission, and a method for making the structure. The structure and the method have the objective of shortening the distances between these three shafts, improving workability of assembling, and providing freedom of setting a speed reduction ratio. An intermediate shaft driven gear and an intermediate shaft driving gear having a diameter smaller than the intermediate shaft driven gear and are mounted in two steps, with the former overlaid on the latter, on an end of the intermediate shaft projecting outside a right case. Similarly, the intermediate shaft driven gear is engaged with a primary gear of the crankshaft, and the intermediate shaft driving gear is engaged with a primary driven gear of the input shaft at a location outside the right case.

5. 发明授权

US06589025B2 Oil pump structure of an engine 失效
公开(公告)号：US06589025B2
公开(公告)日：2003-07-08
申请号：US09949711
申请日：2001-09-12
申请人： Atsuo Hojyo , Hiroatsu Inui , Naoki Kohno , Fumiaki Okubo
发明人： Atsuo Hojyo , Hiroatsu Inui , Naoki Kohno , Fumiaki Okubo
IPC分类号： F04B4900
CPC分类号： F04C11/001 , F01M2001/0207 , F16N13/20
摘要： An oil pump is formed by a main body portion, a base, and a pump cover, and is provided with a rotor rotational shaft. The oil pump is formed with a main pump and a sub pump. The oil pump is attached to bond with a wall face of a thick-walled portion of a crankcase. A relief valve chamber is provided in the thick-walled portion in parallel with the rotor rotational shaft. A relief valve is contained therein in parallel with the rotor rotational shaft. A surrounding space in the relief valve chamber is directly connected to a pumping portion of the oil pump. This combination of elements and configuration provides for an oil pump that operates with efficiency, and that is small in size, light in weight.

6. 发明授权

US09157365B2 Internal combustion engine with balancer 有权
标题翻译：内燃机配平衡机
公开(公告)号：US09157365B2
公开(公告)日：2015-10-13
申请号：US13552967
申请日：2012-07-19
申请人： Yoshiki Nagahashi , Kazuya Tajiri , Fumiaki Okubo
发明人： Yoshiki Nagahashi , Kazuya Tajiri , Fumiaki Okubo
IPC分类号： F02B75/06 , F16F15/26 , F02B67/00 , F02B75/20 , F02B61/02
CPC分类号： F02B75/06 , F02B61/02 , F02B67/00 , F02B75/20 , F16F15/264 , F16F15/265
摘要： In an internal combustion engine with a balancer including a crankcase having a pair of wall portions, a crankshaft supported for rotation on the wall portions and having a balancer driving gear wheel provided thereon, and a balancer shaft supported for rotation by the wall portions and having a balancer driven gear wheel provided thereon, both gear wheels are disposed between the wall portions. A positioning mark including a set of marks provided on side faces in the same direction of the gear wheels is disposed near to pitch circles of both gear wheels. At a position opposing to both side faces of the one wall portion on the side opposing to the positioning mark on the pitch circles of both gear wheels, a through-hole extending through the one side wall is provided to permit the positioning mark to be visually observed through the through-hole.
摘要翻译：在具有平衡器的内燃机中，所述平衡器包括具有一对壁部的曲轴箱，支撑在所述壁部上并在其上设置有平衡器驱动齿轮的曲轴，以及被所述壁部旋转而支撑的平衡轴，设置在其上的平衡器从动齿轮，两个齿轮设置在壁部之间。在齿轮的相同方向的侧面设置有包括一组标记的定位标记设置在两个齿轮的节圆附近。在与两个齿轮的节圆上的定位标记相对的一侧的一个壁部的两个侧面相对的位置处，设置有延伸穿过一个侧壁的通孔，以允许定位标记在视觉上通过通孔观察。

7. 发明申请

US20130025558A1 INTERNAL COMBUSTION ENGINE WITH BALANCER 有权
标题翻译：内燃机与平衡器
公开(公告)号：US20130025558A1
公开(公告)日：2013-01-31
申请号：US13552967
申请日：2012-07-19
申请人： Yoshiki Nagahashi , Kazuya Tajiri , Fumiaki Okubo
发明人： Yoshiki Nagahashi , Kazuya Tajiri , Fumiaki Okubo
IPC分类号： F02B75/06
CPC分类号： F02B75/06 , F02B61/02 , F02B67/00 , F02B75/20 , F16F15/264 , F16F15/265
摘要： In an internal combustion engine with a balancer including a crankcase having a pair of wall portions, a crankshaft supported for rotation on the wall portions and having a balancer driving gear wheel provided thereon, and a balancer shaft supported for rotation by the wall portions and having a balancer driven gear wheel provided thereon, both gear wheels are disposed between the wall portions. A positioning mark including a set of marks provided on side faces in the same direction of the gear wheels is disposed near to pitch circles of both gear wheels. At a position opposing to both side faces of the one wall portion on the side opposing to the positioning mark on the pitch circles of both gear wheels, a through-hole extending through the one side wall is provided to permit the positioning mark to be visually observed through the through-hole.
摘要翻译：在具有平衡器的内燃机中，所述平衡器包括具有一对壁部的曲轴箱，支撑在所述壁部上并在其上设置有平衡器驱动齿轮的曲轴，以及被所述壁部旋转而支撑的平衡轴，设置在其上的平衡器从动齿轮，两个齿轮设置在壁部之间。在齿轮的相同方向的侧面设置有包括一组标记的定位标记设置在两个齿轮的节圆附近。在与两个齿轮的节圆上的定位标记相对的一侧的一个壁部的两个侧面相对的位置处，设置有延伸穿过一个侧壁的通孔，以允许定位标记在视觉上通过通孔观察。

8. 发明授权

US6024056A Cooling water passage structure in water cooled type V-shaped internal combustion engine 失效
标题翻译：水冷式V型内燃机冷却水通道结构
公开(公告)号：US6024056A
公开(公告)日：2000-02-15
申请号：US905950
申请日：1997-08-05
申请人： Atuo Hojyo , Makoto Harada , Fumiaki Okubo , Toshiyasu Murano
发明人： Atuo Hojyo , Makoto Harada , Fumiaki Okubo , Toshiyasu Murano
IPC分类号： F01P3/20 , F01P11/04 , F02B75/22 , F16L21/08
CPC分类号： F01P11/04 , F02B75/22
摘要： A cooling water passage structure for connecting cooling water passages in cylinders forming a V-shape in a water cooled type V-shaped internal combustion engine. A front cooling water passage of a front cylinder communicates with a front cooling water passage of a front cylinder head. A rear cooling water passage of a rear cylinder communicates with a rear cooling water passage of a rear cylinder head. Water pipes and cylindrical portions project from opposed positions of the front and rear cylinders and extend in one straight line. A connecting pipe is formed of rubber and is inserted in the water pipes. Ring clips and are engaged with annular grooves formed on the outer circumference of the connecting pipe at the front ends of the water pipes. O-rings are engaged with the outer circumference of the connecting pipe near the opposite ends thereof. The water pipes are connected to each other in a water tight manner.
摘要翻译：一种冷却水通道结构，用于在水冷式V型内燃机中连接形成V形的气缸中的冷却水通道。前筒的前冷却水通道与前气缸盖的前冷却水通道连通。后筒的后冷却水通道与后气缸盖的后冷却水通道连通。水管和圆筒部分从前后缸的相对位置突出，并以一条直线延伸。连接管由橡胶形成，插入水管中。环形夹子与在水管前端形成在连接管的外圆周上的环形槽接合。 O形环与连接管的外周接近其相对端。水管以水密的方式相互连接。

9. 发明授权

US5899662A Flow path structure in water pump 失效
标题翻译：水泵流道结构
公开(公告)号：US5899662A
公开(公告)日：1999-05-04
申请号：US884626
申请日：1997-06-27
申请人： Atuo Hojyo , Makoto Harada , Fumiaki Okubo , Toshiyasu Murano
发明人： Atuo Hojyo , Makoto Harada , Fumiaki Okubo , Toshiyasu Murano
IPC分类号： F01P5/10 , F04D29/44 , F04D29/58 , F04D29/40
CPC分类号： F04D29/445
摘要： A water pump for feeding water under the action of centrifugal force created by rotation of an impeller disposed within a pump case includes a cooling water discharge port formed at a position offset in the axial direction of the pump from the outer peripheral portion of the impeller. A flow path structure having a projecting portion for guiding cooling water from the outer peripheral portion of the impeller up to the discharge port is intended to provide a flow path structure capable of smoothing the flow of cooling water, thereby increasing the amount of cooling water discharged and improving the pumping performance.
摘要翻译：在设置在泵壳体内的叶轮的旋转产生的离心力作用下供给水的水泵包括形成在泵的轴向偏离叶轮的外周部的位置的冷却水排出口。具有用于将冷却水从叶轮的外周部引导到排出口的突出部的流路结构旨在提供能够平滑冷却水的流动的流路结构，从而增加排出的冷却水的量并提高泵送性能。

10. 发明授权

US08607761B2 Lubrication structure for bearing section 有权
标题翻译：轴承部分润滑结构
公开(公告)号：US08607761B2
公开(公告)日：2013-12-17
申请号：US13552958
申请日：2012-07-19
申请人： Yoshiki Nagahashi , Kazuya Tajiri , Fumiaki Okubo
发明人： Yoshiki Nagahashi , Kazuya Tajiri , Fumiaki Okubo
IPC分类号： F01M11/02
CPC分类号： F01M5/025 , F01M2011/028
摘要： A lubrication structure for a bearing section of an internal combustion engine including a crankcase having a wall portion, a bearing secured to the wall portion, a rotational shaft supported for rotation by the bearing, and a bearing restriction member disposed on a side face of an outer race portion of the bearing and configured to suppress coming off of the bearing, wherein an oil receiving portion formed in a swollen state on the wall portion along an outer periphery on the outer side of an outer periphery below the center axis of the bearing, and an oil reserve section is provided so as to extend over the oil receiving portion and the bearing restriction member.
摘要翻译：一种用于内燃机的轴承部分的润滑结构，该内燃机的轴承部分包括具有壁部的曲轴箱，固定在壁部上的轴承，由轴承支承的旋转轴以及设置在轴承侧面上的轴承限制件所述轴承的外圈部分被构造为抑制所述轴承的脱落，其中，沿着所述轴承的中心轴线的外周的外侧的外周在所述壁部上形成为膨胀状态的油接收部，并且设置有油保持部，以便在油接收部和轴承限制部上延伸。

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