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公开(公告)号：US5913742A
公开(公告)日：1999-06-22
申请号：US911279
申请日：1997-08-14
CPC分类号： F16H7/0848 , F02B67/06 , F16H2007/0806 , F16H2007/0853 , F16H2007/0859 , F16H2007/0885 , F16H2007/0891
摘要： A tensioner for an endless transmitting member is provided to reliably prevent the loosening of an endless chain, while preventing the occurrence of an incorrect meshing of the endless chain with sprockets. A plunger holder is biased in an advancing direction by the action of a first spring supported in a housing, and a plunger, carried in the plunger holder, is biased in an advancing direction by the action of a second spring having a spring constant larger than that of the first spring. Only the movement of the plunger holder in the advancing direction is permitted by a ratchet mechanism mounted between the plunger holder and the housing. During operation of the engine, the advancing movement of the plunger holder is inhibited by the hydraulic pressure transmitted to a hydraulic pressure chamber, and the plunger is advanced and retracted in accordance with a variation in tension of the endless chain. When the engine is stopped, the ratchet mechanism is operated in accordance with the elongation of the endless chain due to wearing to advance the plunger holder one pitch at a time along with the plunger.
摘要翻译： 提供用于无端传递构件的张紧器，以可靠地防止环形链条的松动，同时防止环链与链轮的不正确啮合的发生。 柱塞保持器通过支撑在壳体中的第一弹簧的作用沿前进方向偏置，并且承载在柱塞保持器中的柱塞通过弹簧常数大于第二弹簧的第二弹簧的作用沿前进方向偏置 第一个春天。 通过安装在柱塞保持器和壳体之间的棘轮机构，允许柱塞保持器在前进方向上的移动。 在发动机工作期间，通过传递到液压室的液压阻止柱塞保持器的前进运动，并且柱塞根据环形链的张力变化而前进和缩回。 当发动机停止时，棘轮机构根据环形链的伸长而由于磨损而一起操作，以使柱塞保持架一次与柱塞一起推进。
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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
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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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
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。
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公开(公告)号：US06308679B1
公开(公告)日：2001-10-30
申请号：US09507788
申请日：2000-02-22
IPC分类号： F01M500
CPC分类号： F01L1/024 , F01L1/02 , F01L1/022 , F02B2275/18 , F16H7/18 , F16H2007/0872
摘要： The interior of a chain case 23 accommodating therein a chain-sprocket mechanism (a sprocket 12 and a silent chain 14)provided for rotating a crankshaft 11 and camshafts 5 in an interlocking fashion and a tensioner shoe 18 for applying a predetermined tension to a slack side of a chain or a guide shoe 19 for preventing the run-out of the chain on a stretched side thereof is partitioned by providing a rib 27, 28 so as to protrude from at least either of an end face of an engine E and an inner surface of a chain cover 22 joined to the end face with distal end edges of the ribs being directed toward sides 18a, 18b of the tensioner shoe or the guide shoe that are perpendicular to the crankshaft. According to this construction, since the rib provided so as to protrude from the cylinder block or the chain cover cooperates with the tensioner shoe or the guide shoe so as to form a separator, an oil passage having a sufficient cross-sectional area can be defined without control from the chain line and necessity of enlargement of the engine.
摘要翻译： 链条壳体23的内部容纳有链轮机构（链轮12和无声链条14），链轮机构（链轮12和无声链条14），用于以互锁的方式旋转曲轴11和凸轮轴5，以及张紧器鞋18，用于将预定的张力施加到松弛 通过设置肋27,28来分隔链条或引导靴19的一侧，用于防止链条在其拉伸侧的脱出，从而从发动机E的端面和 连接到端面的链条盖22的内表面，其肋的远端边缘指向张紧器鞋或引导靴的与曲轴垂直的侧面18a，18b。 根据该结构，由于设置成从气缸体或链罩突出的肋与张紧器靴或导靴配合以形成隔板，因此可以定义具有足够横截面面积的油路 不受链条控制和发动机扩大的必要性。
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公开(公告)号：US5791309A
公开(公告)日：1998-08-11
申请号：US795301
申请日：1997-02-04
CPC分类号： F16C33/1085 , F01M1/02 , F02B67/00 , F16F15/265 , F16F15/268 , F01M2001/0276 , Y10T74/2183
摘要： A secondary balancer device provided below a cylinder block of an engine including a front balancer shaft and a rear balancer shaft which are rotated in opposite directions and have longitudinally central main journal portions carried in a balancer holder, respectively. Bracing journal portions are provided on axial ends of one of the front and rear balancer shafts and supported in a pump body and a pump cover of an oil pump provided below the cylinder block, respectively. A pump shaft of the oil pump and the front balancer shaft are connected to a crankshaft by a common endless chain and rotated at different numbers of revolutions. Thus, the number of parts for supporting the balancer shafts can be reduced, while maintaining the freedom of setting the number of revolutions of the oil pump of the engine.
摘要翻译： 一种二次平衡器装置，其设置在发动机的气缸体的下方，该发动机包括前平衡器轴和后平衡器轴，其分别在相反的方向上旋转，并且分别具有纵向中心的主轴颈部分，该中心主轴颈部分分别放置在平衡器保持器中。 支撑轴颈部分设置在前后平衡轴之一的轴向端部上，分别支撑在泵体和设置在气缸体下方的油泵的泵盖。 油泵的泵轴和前平衡器轴通过共同的环形链条连接到曲轴，并以不同的转数旋转。 因此，可以在保持设定发动机的油泵的转速的自由度的同时，减少用于支撑平衡轴的部件的数量。
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公开(公告)号：US5666915A
公开(公告)日：1997-09-16
申请号：US563387
申请日：1995-11-28
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。
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公开(公告)号：US5065709A
公开(公告)日：1991-11-19
申请号：US548123
申请日：1990-07-05
CPC分类号： F01L1/024 , F01L1/02 , F01L1/267 , F01L1/348 , F16H7/1281 , F01L2001/0537 , F01L2001/34436 , F02B2275/06 , F02B2275/18 , F16H2007/0806 , F16H2007/0812 , F16H2007/0859 , F16H2007/0885
摘要： In a valve operating system for an internal combustion engine comprising a valve-operation driving force transmission means interposed between a valve operating camshaft and an engine valve carried in a body of the internal combustion engine for opening and closing operation of the engine valve, a valve operation mode changeover mechanism capable of switching the opening and closing mode of the engine valve in accordance with the operating condition of the engine, and a wrapping connector type transmission system provided between the valve operating camshaft and a crankshaft, the valve operating system further includes a tension adjusting means capable of adjusting the tension of a transmitting band of the wrapping connector type transmission system, and a control means for controlling the operation of the tension adjusting means in accordance with the operation mode of the valve operation mode changeover mechanism. It is possible to vary the preset load of the transmitting band in accordance with the operation of the valve operation mode changeover mechanism to vary the peak value of the load applied from the valve operating camshaft to the transmitting band, thereby adjusting the tension of the transmitting band in accordance with the change in operation mode of the engine valve.
摘要翻译： 在用于内燃机的气门操作系统中，包括一个介于阀操作凸轮轴和一个内燃机主体内的发动机阀之间的阀门操作驱动力传动装置，用于打开和关闭发动机气门的动作， 操作模式切换机构，其能够根据发动机的运行状态切换发动机气门的开闭模式，以及设置在所述气门运转凸轮轴和曲轴之间的包装连接器型传动系统，所述气门操作系统还包括： 张力调节装置，其能够调节包装连接器式传动系统的传送带的张力;以及控制装置，用于根据阀操作模式切换机构的操作模式来控制张力调节装置的操作。 可以根据阀操作模式转换机构的操作来改变发送带的预设负载，以改变从阀操作凸轮轴施加到发送带的负载的峰值，由此调整发送 根据发动机气门的运行模式的变化。
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