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1. 发明授权

US5743230A Balancer shaft supporting structure in engine 失效
标题翻译：发动机平衡轴支撑结构
公开(公告)号：US5743230A
公开(公告)日：1998-04-28
申请号：US795302
申请日：1997-02-04
申请人： Masakazu Yamazaki , Kensuke Nakamura , Fuminori Kawashima , Nobuyoshi Takamatsu , Toru Kano , Tomoki Okita , Hideo Ueshima
发明人： Masakazu Yamazaki , Kensuke Nakamura , Fuminori Kawashima , Nobuyoshi Takamatsu , Toru Kano , Tomoki Okita , Hideo Ueshima
IPC分类号： F01M1/02 , F02B67/00 , F16F15/26 , F02F7/00 , F02B75/06
CPC分类号： F01M1/02 , F02B67/00 , F16F15/264 , F01M2001/0276
摘要： An engine having a lower block made of an aluminum-based material and having a bearing cap mounted therein in a cast-in manner abutting against front and rear sidewalls of a cylinder block of the engine and coupled to the cylinder block by a bolt, and a pump body is coupled to a lower surface of the lower block by bolts. The pump body also serves as a balancer shaft supporting member, and a journal portion of a balancer shaft is supported on the balancer shaft supporting member. Thus, the rigidity of supporting of the balancer shaft on the balancer shaft supporting member can be enhanced without an increase in size of the balancer shaft supporting member of the engine.
摘要翻译：一种发动机，其具有由铝基材料制成的下部块，并且具有安装在其中的轴承盖，其以铸造方式抵靠在发动机的气缸体的前侧壁和后侧壁上，并通过螺栓联接到气缸体;以及泵体通过螺栓联接到下部块的下表面。泵体还用作平衡轴支撑构件，并且平衡器轴的轴颈部分被支撑在平衡轴支撑构件上。因此，可以在不增加发动机的平衡轴支撑构件的尺寸的情况下增强平衡轴在平衡轴支撑构件上的支撑的刚性。

2. 发明授权

US06279456B1 Piston 失效
标题翻译：活塞
公开(公告)号：US06279456B1
公开(公告)日：2001-08-28
申请号：US09506938
申请日：2000-02-18
申请人： Hideo Ueshima , Yukihiro Noguchi
发明人： Hideo Ueshima , Yukihiro Noguchi
IPC分类号： F02F300
CPC分类号： F16J1/18 , F02F3/00
摘要： A recessed portion 15 for removing a circlip 13 is formed in such a manner as to coincide in location with a broached groove 12 formed in a piston bore 2a for relieving the compression deformation of a piston pin 10 that would be caused by a thrust load.
摘要翻译：用于去除簧环13的凹部15形成为与形成在活塞孔2a中的拉削槽12的位置重合，以缓解由推力负载引起的活塞销10的压缩变形。

3. 发明授权

US5666915A Oil passage structure in an engine 失效
标题翻译：发动机油路结构
公开(公告)号：US5666915A
公开(公告)日：1997-09-16
申请号：US563387
申请日：1995-11-28
申请人： Fuminori Kawashima , Hideo Ueshima , Keiji Ohtsu , Yoshihito Tsuji , Masayuki Takahashi
发明人： Fuminori Kawashima , Hideo Ueshima , Keiji Ohtsu , Yoshihito Tsuji , Masayuki Takahashi
IPC分类号： F01L1/02 , F01L1/26 , F01M1/02 , F01M1/06 , F01M9/10 , F01M11/02 , F02B75/22 , F01L9/02
CPC分类号： F01M9/10 , F01L1/02 , F01L1/024 , F01L1/267 , F01M1/02 , F01M11/02 , F02B75/22
摘要： An oil passage structure in an engine includes a first oil passage and a second oil passage. The second oil passage has a hydraulic pressure which is different from that in the first oil passage. The first and second oil passages are provided in engine body in an arrangement where they intersect each other when viewed in projection onto a plane parallel to an axis of the first oil passage. In order to enable the space for disposition of both the oil passages to be reduced to a necessary minimum to provide a reduction in size of the engine body, a cylindrical partition member having annular seal members mounted on its outer surface at opposite ends is fitted into the first oil passage. Thus, an annular intermediate chamber is defined between the outer surface of the partition member and an inner surface of the first oil passage and is sealed at its opposite ends by the seal members. The second oil passage is provided in the engine body in an arrangement where upstream and downstream passage portion thereof communicate with each other through the intermediate chamber.
摘要翻译：发动机中的油路结构包括第一油路和第二油路。第二油路具有与第一油路不同的液压。第一和第二油通道设置在发动机主体中，当它们在与第一油路的轴线平行的平面上的投影中观察时，它们彼此相交。为了使两个油路的配置空间减小到必要的最小值以减小发动机主体的尺寸，在其相对端的外表面上安装有环形密封件的圆柱形分隔构件被装入第一个油道。因此，在分隔构件的外表面和第一油路的内表面之间限定有环形中间室，并且在其相对端通过密封构件密封。第二油路设置在发动机主体中，其上游和下游通道部分通过中间室彼此连通。

4. 发明授权

US07931004B2 Oil sensor placement structure in engine 失效
标题翻译：发动机油传感器放置结构
公开(公告)号：US07931004B2
公开(公告)日：2011-04-26
申请号：US12314331
申请日：2007-04-11
申请人： Yoshiaki Koyama , Hideo Ueshima , Yusuke Endo
发明人： Yoshiaki Koyama , Hideo Ueshima , Yusuke Endo
IPC分类号： F01M11/10 , F02B75/06
CPC分类号： F01M11/12 , F02B75/06
摘要： In an engine, an oil level sensor (47) provided in a bottom part of an oil pan (15) storing engine oil so as to stand vertically upright is placed between a mutually parallel pair of balancer shafts (27, 28) housed in a balancer housing (21) provided between a lower face of a cylinder block and the oil pan (15). This not only enables the oil level sensor (47) to be placed compactly by utilizing effectively dead space formed between the pair of balancer shafts (27, 28), but also enables agitation of engine oil to be suppressed by the pair of balancer shafts (27, 28) and any degradation in detection precision due to engine oil splashing over the oil level sensor (47) to be prevented.
摘要翻译：在发动机中，设置在油盘（15）的底部的油位传感器（47）设置在彼此平行的一对平衡轴（27,28）之间，平衡轴设置在气缸体的下表面和油盘（15）之间的平衡器壳体（21）。这不仅能够通过有效地利用一对平衡轴（27,28）之间形成的空隙来紧凑地设置油位传感器（47），而且还能够使由一对平衡轴（6）抑制的发动机油的搅拌并且由于发动机油溅射在油位传感器（47）上而导致的检测精度的任何劣化被防止。

5. 发明授权

US06324961B1 Oil passage arrangement in a piston 失效
标题翻译：活塞中的油通道排列
公开(公告)号：US06324961B1
公开(公告)日：2001-12-04
申请号：US09506937
申请日：2000-02-18
申请人： Yoshiaki Akimoto , Hideo Ueshima , Yukihiro Noguchi , Hideaki Miyashita
发明人： Yoshiaki Akimoto , Hideo Ueshima , Yukihiro Noguchi , Hideaki Miyashita
IPC分类号： F01B3110
CPC分类号： F16J1/09 , F01M2001/083 , F01M2001/086 , F02F3/22
摘要： Oil passages 12 for lubricating and cooling a piston pin 10 are provided in such a manner as to each open to an oil ring groove 5 of a piston 1 and to a piston inner side surface 2b of a piston pin supporting part 2 at portions in the vicinity of an upper end of a piston-pin hole 2a through the piston pin supporting part 2. The oil passages 12 are provided diagonally relative to an axis of the piston-pin hole 2a.
摘要翻译：用于润滑和冷却活塞销10的油路12以这样的方式设置，以便在活塞1的油环槽5和活塞销支撑部件2的活塞内侧表面2b处通过活塞销支撑部2活塞销孔2a的上端附近。油通道12相对于活塞销孔2a的轴线对角地设置。

6. 发明申请

US20100059011A1 Oil sensor placement structure in engine 失效
标题翻译：发动机油传感器放置结构
公开(公告)号：US20100059011A1
公开(公告)日：2010-03-11
申请号：US12314331
申请日：2007-04-11
申请人： Yoshiaki Koyama , Hideo Ueshima , Yusuke Endo
发明人： Yoshiaki Koyama , Hideo Ueshima , Yusuke Endo
IPC分类号： F02B75/06 , F01M1/02
CPC分类号： F01M11/12 , F02B75/06
摘要： In an engine, an oil level sensor (47) provided in a bottom part of an oil pan (15) storing engine oil so as to stand vertically upright is placed between a mutually parallel pair of balancer shafts (27, 28) housed in a balancer housing (21) provided between a lower face of a cylinder block and the oil pan (15). This not only enables the oil level sensor (47) to be placed compactly by utilizing effectively dead space formed between the pair of balancer shafts (27, 28), but also enables agitation of engine oil to be suppressed by the pair of balancer shafts (27, 28) and any degradation in detection precision due to engine oil splashing over the oil level sensor (47) to be prevented.
摘要翻译：在发动机中，设置在油盘（15）的底部的油位传感器（47）设置在彼此平行的一对平衡轴（27,28）之间，平衡轴设置在气缸体的下表面和油盘（15）之间的平衡器壳体（21）。这不仅能够通过有效地利用一对平衡轴（27,28）之间形成的空隙来紧凑地设置油位传感器（47），而且还能够使由一对平衡轴（6）抑制的发动机油的搅拌并且由于发动机油溅射在油位传感器（47）上而导致的检测精度的任何劣化被防止。

7. 发明授权

US5788381A Rotary shaft lubricating structure 失效
标题翻译：旋转轴润滑结构
公开(公告)号：US5788381A
公开(公告)日：1998-08-04
申请号：US795276
申请日：1997-02-04
申请人： Masakazu Yamazaki , Fuminori Kawashima , Chiharu Shimizu , Kensuke Nakamura , Nobuyoshi Takamatsu , Toru Kano , Tomoki Okita , Hideo Ueshima
发明人： Masakazu Yamazaki , Fuminori Kawashima , Chiharu Shimizu , Kensuke Nakamura , Nobuyoshi Takamatsu , Toru Kano , Tomoki Okita , Hideo Ueshima
IPC分类号： F01M1/06 , F01M1/02 , F02B67/00 , F16C33/10 , F16F15/26 , F16C33/66
CPC分类号： F16C33/1085 , F01M1/02 , F02B67/00 , F16F15/265 , F01M2001/0276
摘要： An engine has two balancer shafts supported on two bearing bushings which are made of the same material and mounted to a balancer holder. Lubricating oil passages for supplying oil to the bearing bushings are defined offset upwards from the centers O of the bearing bushings and by a distance .delta.. Each of the bearing bushings has two oil bores having a center angle .theta. other than 180.degree.. The two oil bores in the bearing bushing of one balancer shaft communicate with the lubricating oil passage, and one of the oil bores in the bearing bushing of another balancer shaft communicates with the lubricating oil passage, while the other oil bore of that another balancer shaft is closed to keep out of the lubricating oil passage. Thus, downstream ends of the lubricating oil passages for supplying the oil to the bearing bushings of the plurality of rotary shafts can be closed without use of a special closing member such as a blind plug.
摘要翻译：发动机具有两个平衡轴，该平衡轴支撑在由相同材料制成并安装到平衡器支架上的两个轴承衬套上。用于向轴承衬套供油的润滑油通道被限定为从轴承衬套的中心O向上偏移并且距离增量。每个轴承衬套具有两个中心角度θ为180°的油孔。一个平衡轴的轴承衬套中的两个油孔与润滑油通道连通，另一个平衡轴的轴承衬套中的一个油孔与润滑油通道连通，另一个平衡轴的另一个油孔关闭以防止润滑油通道。因此，用于将油供给到多个旋转轴的轴承衬套的润滑油通道的下游端可以不使用诸如盲塞等特殊的关闭构件而关闭。

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