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公开(公告)号：US6165091A
公开(公告)日：2000-12-26
申请号：US199557
申请日：1998-11-25
CPC分类号： F16F9/145 , F16H7/1236 , F16H2007/081 , F16H2007/084 , F16H2007/0844 , F16H2007/0861
摘要： Disclosed is a tensioner for use in an engine. The tensioner comprises a fixed structure that fixes to the engine. A movable structure is mounted for movement relative to the fixed structure in a belt tensioning and opposite directions. A pulley member has a belt engaging surface that engages with the belt. One of the fixed and movable structures has an interior surface defining a fluid chamber containing fluid and the other includes a chamber dividing structure. The chamber dividing structure defines first and second chamber portions on opposing sides thereof. A biasing element biases the movable structure in the tensioning direction to tension the belt. Relative movement of the movable structure in the tensioning direction displaces fluid from the first to the second chamber portion and increases fluid pressure in the first chamber portion and decreases fluid pressure in the second chamber portion, and the reverse occurs during movement of the movable structure in the opposite direction. The chamber dividing structure allows the fluid to flow between the chamber portions in a restricted manner so as to yieldingly resist the relative movement of the movable structure and thereby dampen such movement. The chamber dividing structure is constructed such that the fluid flow restriction is greater when the movable structure moves in the opposite direction than in the tensioning direction, thereby providing the movable structure with greater resistance to movement in the opposite direction than in the tensioning direction.
摘要翻译： 公开了一种用于发动机的张紧器。 张紧器包括固定在发动机上的固定结构。 可移动结构被安装成在张紧张力和相反方向上相对于固定结构移动。 滑轮构件具有与带接合的皮带接合表面。 固定和可移动结构中的一个具有限定包含流体的流体室的内表面，另一个包括室分隔结构。 腔室分隔结构在其相对侧上限定第一和第二腔室部分。 偏压元件在张紧方向上偏压可移动结构以拉紧带。 可移动结构在张紧方向上的相对运动使流体从第一腔室部分移动到第二腔室部分，并且增加第一腔室部分中的流体压力并降低第二腔室部分中的流体压力，并且在可移动结构体的运动期间发生相反 相反的方向。 腔室分隔结构允许流体以限制的方式在腔室部分之间流动，以便有效地抵抗可移动结构的相对运动，从而抑制这种运动。 腔室分隔结构被构造成使得当可移动结构沿与张紧方向相反的方向移动时，流体流动限制较大，从而为可移动结构提供比在张紧方向上相反方向更大的阻力运动。
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公开(公告)号：US06719356B2
公开(公告)日：2004-04-13
申请号：US10131599
申请日：2002-04-25
IPC分类号： B60J510
CPC分类号： E05F1/1091 , E05F15/41 , E05F15/42 , E05F15/43 , E05F15/63 , E05F2015/434 , E05Y2201/214 , E05Y2201/236 , E05Y2201/24 , E05Y2201/416 , E05Y2201/434 , E05Y2201/604 , E05Y2201/618 , E05Y2201/706 , E05Y2400/326 , E05Y2400/337 , E05Y2600/13 , E05Y2600/456 , E05Y2600/46 , E05Y2800/342 , E05Y2800/74 , E05Y2900/546 , E05Y2900/548
摘要： A power-operated system for actuating the rear doors or liftgates of motor vehicles includes a strut assembly having two struts, each strut mounted on one side of the door between the door and the vehicle's door frame. One end of each strut is connected to a powered rotating arm. To open the door, the rotating arms change the angular orientation of the struts such that they have a substantial mechanical advantage. In this position, the force provided by the struts overcomes the weight bias of the door, thus opening the door. To close the door, the rotating arms change the angular orientation of the struts such that the struts have a decreased mechanical advantage, reducing the force provided by the struts, and therefore causing the door to fall closed under its own weight bias. A control system for controlling the power-operated system is also disclosed.
摘要翻译： 用于致动机动车辆的后门或升降门的动力操作系统包括具有两个支柱的支柱组件，每个支柱安装在门与门的车门框架之间的门的一侧。 每个支柱的一端连接到动力旋转臂。 为了打开门，旋转臂改变支柱的角度定向，使得它们具有实质的机械优点。 在这个位置上，由支柱提供的力克服了门的重量偏差，从而打开门。 为了关闭门，旋转臂改变支柱的角度定向，使得支柱具有降低的机械优点，减小由支柱提供的力，并且因此导致门在其自身重量偏压下下降。 还公开了一种用于控制动力操作系统的控制系统。
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公开(公告)号：US4725260A
公开(公告)日：1988-02-16
申请号：US29695
申请日：2987-03-24
CPC分类号： F16H7/1218 , F02B2275/06 , F16H2007/081 , F16H2007/084 , F16H2007/0844
摘要： A belt tensioning device having an improved damping mechanism for damping movements of the pivoted structure rotatably carrying the pulley with respect to the fixed structure. The damping mechanism includes a strap and a ring mounted on their respective fixed and pivoted structures and with respect to one another such that the strap engages the ring with a gripping action sufficient to provide (1) a relatively high resistance to frictional sliding movement between the strap and ring in one direction correspond to the direction of untensioning of the belt with the pulley and (2) a relatively low resistance to frictional sliding movement between the strap and ring in an opposite direction corresponding to the direction of belt tensioning. A spring is included in the mount for enabling the relatively high resistance and relatively low resistance to vary in response to the existence of predetermined vibrations such that the gripping action between strap and ring is relieved sufficient to enable movement therebetween in both directions to take place at substantially reduced resistance levels.
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公开(公告)号：US4698049A
公开(公告)日：1987-10-06
申请号：US850700
申请日：1986-04-11
申请人： Klaus K. Bytzek , John R. Antchak
发明人： Klaus K. Bytzek , John R. Antchak
CPC分类号： F16H7/1218 , F02B2275/06 , F16H2007/081
摘要： A belt tensioner in which the bearing for mounting the pulley carrying pivoted structure on the fixed structure comprises a frustoconical sleeve bearing having a frustoconical exterior surface and a frustoconical interior surface engaged between annular portions of the two structures. The frustoconical surface of one of the annular portions is (1) formed on the exterior periphery thereof and (2) disposed in engagement with the interior bearing frustoconical surface. The one annular portion has a load center point disposed on the pivotal axis of the pivoted structure. The other annular portion has a load center point disposed on a line disposed within a plane passing through the pivotal axis of the pivoted structure and the rotational axis of the pulley corresponding to the one line of the two lines of intersection of the bearing frustoconical surface with the plane through which the radially inward force component transmitted by the pivoted structure is applied to the sleeve bearing. The load center points are positioned such that the radially inward force component transmitted by the pivoted structure and resisted by the fixed structure is transmitted generally from one load center point to the other along a line extending between the points which line is perpendicular to and bisects the one line so that the radially inward force component transmitted by the pivoted structure to the sleeve bearing is distributed evenly throughout the axial extent of the sleeve bearing.
摘要翻译： 一种皮带张紧器，其中用于将承载枢转结构的皮带轮安装在固定结构上的轴承包括具有截头圆锥形外表面和截头圆锥形内表面的截头圆锥形套筒轴承，所述截头圆锥形外壳表面接合在两个结构的环形部分之间。 其中一个环形部分的截头圆锥形表面形成在其外周上，（2）设置成与内部承载截头圆锥形表面接合。 一个环形部分具有设置在枢转结构的枢转轴线上的载荷中心点。 另一个环形部分具有设置在穿过枢转结构的枢转轴线的平面内的线上的载荷中心点，并且滑轮的旋转轴线对应于轴承截头圆锥形表面与两个截面圆锥形表面的两条交线的一条线 通过枢转结构传递的径向向内的力分量施加到套筒轴承的平面。 负载中心点被定位成使得由枢转结构传递并且被固定结构抵抗的径向向内的力分量通常从一个负载中心点向另一个沿着在垂直于和平分的点之间延伸的线传播 使得由枢转结构传递到套筒轴承的径向向内的力分量均匀地分布在套筒轴承的整个轴向范围内。
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公开(公告)号：USRE34616E
公开(公告)日：1994-05-24
申请号：US994500
申请日：1992-12-21
CPC分类号： F16H7/1218 , F02B2275/06 , F16H2007/081 , F16H2007/084 , F16H2007/0844
摘要： A belt tensioning device having an improved damping mechanism for damping movements of the pivoted structure rotatably carrying the pulley with respect to the fixed structure. The damping mechanism includes a strap and a ring mounted on their respective fixed and pivoted structures and with respect to one another such that the strap engages the ring with a gripping action sufficient to provide (1) a relatively high resistance to frictional sliding movement between the strap and ring in one direction correspond to the direction of untensioning of the belt with the pulley and (2) a relatively low resistance to frictional sliding movement between the strap and ring in an opposite direction corresponding to the direction of belt tensioning. A spring is included in the mount for enabling the relatively high resistance and relatively low resistance to vary in response to the existence of predetermined vibrations such that the gripping action between strap and ring is relieved sufficient to enable movement therebetween in both directions to take place at substantially reduced resistance levels.
摘要翻译： 一种带张紧装置，其具有改进的阻尼机构，用于阻止枢转结构相对于固定结构可旋转地承载滑轮的运动。 阻尼机构包括安装在它们各自的固定和枢转结构上并相对于彼此的带子和环，使得带子具有与足够的夹持作用接合环，该夹持动作足以提供（1）相对较高的抵抗在 带和环在一个方向上对应于带与皮带轮的未张紧的方向，以及（2）相对于带张力方向的相反方向，带和环之间的摩擦滑动运动相对较低的阻力。 安装件中包括弹簧，以使得相对较高的电阻和相对低的电阻响应于预定振动的存在而变化，使得带和环之间的夹持动作被释放足以使其在两个方向上的移动发生在 大大降低电阻值。
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公开(公告)号：US5139463A
公开(公告)日：1992-08-18
申请号：US710455
申请日：1991-06-05
CPC分类号： F16H55/36 , F16D3/52 , H02K7/1004 , F16H7/0829
摘要： A serpentine belt drive system for an automotive vehicle in which the sequence of driven assemblies includes an alternator assembly comprising a housing and an armature assembly mounted in the housing for rotation about an armature axis. A hub structure is carried by the armature assembly outwardly of the housing for rotation therewith about the armature axis. A coil spring is disposed in operative relation between the alternator pulley and the hub structure for transmitting the driven rotational movements of the alternator pulley by the serpentine belt to the hub structure such that the armature assembly is rotated in the same direction as the alternator pulley while being capable of instantaneous relative resilient rotational movements in opposite directions with respect to the alternator pulley during the driven rotational movement thereof.
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公开(公告)号：US4273547A
公开(公告)日：1981-06-16
申请号：US76279
申请日：1979-09-17
申请人： Klaus K. Bytzek
发明人： Klaus K. Bytzek
CPC分类号： F16H55/44 , B21D53/261 , Y10T29/4946
摘要： This invention relates to a novel method of making pulleys and pulley blanks from sheet metal. The sheet metal is stamped into pulley blanks having an upstanding cylindrical wall, the cylindrical wall is then thickened by being partially collapsed axially, followed by contacting with a roller. The roller can have a plurality of v-shaped grooves on its surface, to form a pulley for use with a poly-v belt.
摘要翻译： 本发明涉及一种从金属板制造滑轮和滑轮坯料的新方法。 钣金被冲压成具有直立的圆柱形壁的滑轮坯料，然后通过轴向部分地折叠而使圆柱形壁变厚，随后与辊接触。 该辊可以在其表面上具有多个V形槽，以形成用于与poly-v带一起使用的滑轮。
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公开(公告)号：US06464604B1
公开(公告)日：2002-10-15
申请号：US09456307
申请日：1999-12-08
IPC分类号： F16H714
CPC分类号： F16H7/1281 , F16H2007/081 , F16H2007/0846
摘要： A tensioner for tensioning engine driven driving elements, such as belts or chains, is disclosed. In accordance with one aspect of the invention, the tensioner is initially installed with the pivot structure spaced past the perpendicular angular position thereof. In accordance with another aspect of the invention, the tension required to move the pivot structure to the end of its range of angular positions is at least 75% more than at the hot engine angular position thereof. In accordance with another aspect of the invention, the tensioner has a stop at the maximum travel position thereof and the tension required to move the pivot structure to its maximum travel position is at least 75% more than at the hot engine angular position thereof. In accordance with a still further aspect of the invention, the tension required to move the pivot structure to a potential tooth skip angular position is greater than the maximum tension the engine is capable of creating.
摘要翻译： 公开了用于张紧发动机驱动的驱动元件（例如皮带或链条）的张紧器。 根据本发明的一个方面，张紧器最初安装有枢转结构，隔开其垂直的角度位置。 根据本发明的另一方面，将枢转结构移动到其角度位置范围的终点所需的张力比在其热发动机角位置处的至少75％。 根据本发明的另一方面，张紧器在其最大行进位置处具有止动件，并且将枢转结构移动到其最大行进位置所需的张力比其热发动机角位置处的至少75％。 根据本发明的另一方面，将枢转结构移动到潜在的齿跳跃角位置所需的张力大于发动机能够产生的最大张力。
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公开(公告)号：US4816012A
公开(公告)日：1989-03-28
申请号：US94864
申请日：1987-09-10
申请人： Klaus K. Bytzek
发明人： Klaus K. Bytzek
CPC分类号： F16H7/1218 , F02B2275/06
摘要： A belt tensioner comprising a pivoted structure carrying a pulley for rotation about a rotational axis and mounted on a fixed structure for pivotal movement between an increased range of angular movement. The pulley is operatively positioned with respect to its rotational axis and the pivotal axis of the pivoted structure such that the lever arm to the pivotal axis through which the generally constant belt load force acts on the pivoted structure increases at a decreasing rate and then decreases at an increasing rate throughout the range of movement of the pulley between its first and second positions in a direction toward the second position. The spring assembly is operatively associated with the pivoted structure so as to apply a spring torque to the pivoted structure which increases at a decreasing rate and then decreases at an increasing rate throughout the range of movement of the pulley between its first and second positions in a direction toward said second position.
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公开(公告)号：US4473362A
公开(公告)日：1984-09-25
申请号：US281501
申请日：1981-07-08
CPC分类号： F16H7/1209 , F02B67/06 , F02B2275/06 , F16H2007/081 , F16H2007/0893 , F16H7/0831
摘要： In a belt tensioning device of the type including a fixed structure, a pivoted structure mounted with respect to the fixed structure for pivotal movement about a first axis between first and second limiting positions, a belt engaging pulley rotatably carried by the pivoted structure for rotational movement about a second axis parallel with the first axis and a torsional coil spring acting between the fixed and pivoted structures for resiliently biasing the pivoted structure to move in a direction away from the first limiting position toward the second limiting position with a spring force which decreases as the pivoted structure is moved in a direction away from the first position toward the second position. The device is provided either with an elastomeric damping body for (1) damping by elastomeric material displacement normal low amplitude operating movements of the pivoted structure and (2) damping sequentially by high friction surface sliding abnormal high amplitude movements of the pivoted structure beyond those which are damped by the elastomeric material displacement with a damping force which decreases as the pivoted structure is moved in a direction away from the first position toward the second position or a Zytel damping body for damping by friction surface sliding substantially all movements of said pivoted structure with a damping force which decreases as the pivoted structure is moved in a direction away from the first position toward the second position.
摘要翻译： 在包括固定结构的类型的皮带张紧装置中，相对于固定结构安装的枢转结构，用于围绕第一和第二限制位置之间的第一轴线枢转运动;带轮接合滑轮，可旋转地由枢转结构承载，用于旋转运动 围绕与第一轴线平行的第二轴线以及作用在固定和枢转结构之间的扭转螺旋弹簧，用于弹性地偏压枢转结构，使其沿着远离第一限制位置的方向朝向第二限位位置移动，弹簧力减小为 枢转结构沿远离第一位置朝向第二位置的方向移动。 该装置设置有弹性体阻尼体，用于（1）通过弹性体材料的阻尼，使枢转结构的正常低振幅操作运动和（2）通过高摩擦表面顺序地阻挡枢转结构的异常高振幅运动超过那些 被弹性体材料位移阻尼，阻尼力随着枢转结构沿远离第一位置朝向第二位置移动而减小，或者Zytel阻尼体用于通过摩擦表面进行阻尼，基本上使所述枢转结构的所有运动滑动， 所述阻尼力随着所述枢转结构沿远离所述第一位置朝向所述第二位置的方向移动而减小。
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