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公开(公告)号：US4688469A
公开(公告)日：1987-08-25
申请号：US789456
申请日：1985-10-21
CPC分类号： F15B18/00
摘要： A fault detector for a triplexed mechanical or hydromechanical system which provides for improvement in cost, reliability and weight over previously known balance beam arrangements for achieving redundant two-channel operation to provide a fail-operating first failure mode for operation of aircraft components which require reliable operation for flight safety. The fault detector for a triplexed mechanical or hydromechanical system has a tripodal summing member which receives three mechanical position signals in three different channels with the tripodal summing member retaining a position perpendicular to the force transmitted by the tripodal summing member in response to the position signals and tipping when one of the input signals deviates significantly from the other two. A structure for detecting a malfunction senses a greater amount of movement of the tripodal summing member at its connection to the mechanical position signal which is malfunctioning to provide an indication as to which mechanical position signal is faulty. In response to detection of the faulty operation, a mechanism disconnects the channel having the faulty operation. An alignment structure is operable to restore the tripodal summing member to its normal perpendicular position to enable continued operation by means of the mechanical position signals which are still accurate.
摘要翻译： 用于三重机械或液压机械系统的故障检测器，其提供成本，可靠性和重量比先前已知的平衡梁布置的改进，以实现冗余的双通道操作，以提供故障操作的第一故障模式以用于需要可靠的飞行器部件 飞行安全操作。 用于三重机械或液压机械系统的故障检测器具有三角相加构件，其在三个不同的通道中接收三个机械位置信号，三角形加法构件响应于位置信号而保持垂直于由三角函数求和构件传递的力的位置， 当其中一个输入信号与其他两个输入信号偏差明显时，会发生翻转。 用于检测故障的结构在三机构求和构件在与机械位置信号的连接处的更大量的移动量时感知到机械位置信号是故障的，以提供关于哪个机械位置信号有故障的指示。 响应于故障操作的检测，机制断开具有故障操作的信道。 对准结构可操作以将三脚架加法构件恢复到其正常垂直位置，以使得能够通过仍然准确的机械位置信号继续操作。
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公开(公告)号：US4693352A
公开(公告)日：1987-09-15
申请号：US852770
申请日：1986-04-16
CPC分类号： F16D25/08
摘要： Thrust bearing failure in clutches is avoided in a clutch construction including a housing 10 with first and second coaxial shafts 24, 32 and a clutch pack 34 interconnecting the shafts 24 and 32 for coupling and decoupling the same. A spring 50 is utilized to engage the clutch pack 34 to couple the shafts 24 and 32 while a motor 82, 96 is utilized to decouple the shafts by releasing compression on the clutch pack 34. This is accomplished by moving a thrust bearing 76 to engage a reaction plate 48 forming part of the clutch pack 34 to move the same away from the other reaction plate 34 of the clutch pack to disengage the clutch. The thrust bearing 76 is wholly out of the load path of the clutch when the clutch is engaged.
摘要翻译： 在包括具有第一和第二同轴轴24,32的壳体10和将轴24和32相互连接的离合器组件34用于联接和解耦的离合器结构中，避免了离合器中的推力轴承故障。 使用弹簧50来接合离合器组件34以联接轴24和32，同时利用马达82,96通过释放离合器组件34上的压力来使轴脱离。这是通过移动推力轴承76来接合 形成离合器组件34的一部分的反作用板48使其离开离合器组件的另一个反作用板34以使离合器脱离。 当离合器接合时，止推轴承76完全离开离合器的载荷路径。
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公开(公告)号：US20110118076A1
公开(公告)日：2011-05-19
申请号：US12618894
申请日：2009-11-16
申请人： David J. Lang
发明人： David J. Lang
IPC分类号： F16H57/08
CPC分类号： F16H21/20
摘要： A rotary actuator comprises a rotatable output ring with a generally denticulate inner surface region and an output ring axis of rotation; a pair of stationary rings, each with a generally denticulate inner surface region and a stationary ring axis, each located on a different end of the output ring with the stationary ring axes in general alignment with the output ring axis; a generally cylindrical planet comprising distal outer regions that each have outer surfaces for supporting the planet, a generally denticulate central outer surface region that engages the denticulate inner surface region of the output ring, and generally denticulate intermediate outer surface regions that each engage the denticulate inner surface region of a respective one of the stationary rings, and a planet axis of rotation that is generally parallel to the output ring axis; and a pair of generally cylindrical planet carriers, each having a carrier axis of rotation in general alignment with the output ring axis, each carrier supporting the outer surface of a respective one of the distal outer regions of the planet to allow rotation of the planet about the planet axis and movement of the planet axis about the output ring axis in a generally circular path as the planet carriers rotate about their carrier axes of rotation; wherein rotation of the planet carriers about their carrier axes cause the cylindrical planet to rotate about its planet axis as it moves through its circular path about the output ring axis, thereby causing the output ring to rotate.
摘要翻译： 旋转致动器包括具有大致齿状内表面区域和输出环旋转轴线的可旋转输出环; 一对固定环，每个固定环具有大致细小的内表面区域和静止环轴线，每个固定环轴线位于输出环的不同端部上，静止环轴线与输出环轴线大致对准; 大致圆柱形的行星体包括远侧外部区域，每个远端外部区域各自具有用于支撑行星的外表面，与输出环的齿状内表面区域接合的大体上具齿状的中心外表面区域，以及大致齿状的中间外表面区域， 固定环中的相应一个的表面区域以及大致平行于输出环轴线的行星旋转轴线; 以及一对大致圆柱形的行星架，每个行星架具有与输出环轴线大体对准的承载旋转轴线，每个行星架支撑行星的远端外部区域中的相应一个的外表面，以允许行星绕着 行星轴线和行星轴线围绕输出环轴线以大致圆形路径的运动，因为行星架围绕其承载的旋转轴线旋转; 其中行星架围绕其承载轴的旋转导致圆柱形行星体围绕其行星轴线围绕输出环轴线移动通过其圆形路径，从而使输出环旋转。
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公开(公告)号：US07143888B2
公开(公告)日：2006-12-05
申请号：US11043487
申请日：2005-01-26
申请人： David J. Lang
发明人： David J. Lang
IPC分类号： F16D67/00
CPC分类号： F16D67/00 , B64C13/28 , F16D2127/004 , F16D2127/005 , Y10T74/188
摘要： A combined no-back and torque limiter device that automatically prevents back-drive and over-torque actuator conditions with a combination of two compression-type brakes that are selectively operated with a self-energised ball ramp set and torsional spring mechanism.
摘要翻译： 一种组合的无背和扭矩限制装置，可通过组合使用两个压缩式制动器来自动防止后驱动和过转矩致动器情况，这两种制动器可选择性地使用自通电梯滚珠组合和扭转弹簧机构进行操作。
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公开(公告)号：US06202803B1
公开(公告)日：2001-03-20
申请号：US09219333
申请日：1998-12-22
申请人： David J. Lang
发明人： David J. Lang
IPC分类号： B60T712
CPC分类号： F16D55/28 , F16D59/00 , F16D63/006 , F16D67/00 , F16H25/2021 , Y10T74/18704
摘要： An output load limiter is provided in an actuator to prevent excessive drive torque from being transmitted from a primary mover through the actuator. The actuator includes a housing, an output shaft mounted for rotation in the housing about an axis, and a drive member. The output shaft includes an external, helical spline. The drive member includes an internal helical spline engaged with the external helical spline to transmit a drive torque to the output shaft. The internal and external splines have sufficient length along the axis to allow translation of the drive member along the axis relative to the output shaft between a first position where the drive member can transmit a drive torque to the output shaft to rotate the output shaft about the axis and a second position where the drive member is restrained from transmitting additional drive torque to the output shaft.
摘要翻译： 在致动器中设置输出负载限制器，以防止过大的驱动转矩从主动臂通过致动器传递。 致动器包括壳体，安装成围绕轴线在壳体中旋转的输出轴和驱动构件。 输出轴包括外部螺旋花键。 驱动构件包括与外部螺旋花键接合的内部螺旋花键，以将驱动扭矩传递到输出轴。 内部和外部花键具有沿轴线的足够的长度，以允许驱动构件相对于输出轴在轴线之间在第一位置之间平移，该第一位置之间的驱动构件可将驱动扭矩传递到输出轴，以使输出轴围绕 轴和第二位置，其中驱动构件被限制不将附加的驱动扭矩传递到输出轴。
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公开(公告)号：US5950774A
公开(公告)日：1999-09-14
申请号：US942585
申请日：1997-10-02
申请人： David J. Lang , Ted L. Jones
发明人： David J. Lang , Ted L. Jones
CPC分类号： F16H35/10 , B64C13/34 , F16H1/16 , F16H25/2021 , Y02T50/44 , Y10T74/18792
摘要： A load limiter for preventing stall torque from being transmitted from a power drive unit to the flight control surfaces of an aircraft. The present invention provides such a load limiter in a package having lower weight and smaller spacial requirements than has been heretofore possible. The power drive unit of the aircraft generates torque which is transmitted from a rotating input shaft to a worm gear, to a helical gear, to a ball screw, and to the flight control surface of the aircraft. If the flight control surface becomes jammed or otherwise prevented from movement, the ball screw, and consequently the helical gear, stop rotating. However, the stall torque of the power drive unit will continue to cause the input shaft to rotate, which will in turn cause the worm gear to rotate and interact with the helical gear. Since the helical gear cannot move, the helical gear will cause the worm gear to axially translate relative to the input shaft. The worm gear is normally prevented from such movement by compression and tension springs laterally flanking the worm gear, but by sizing the springs to be overcome by the level of the stall torque, one of the springs, depending on the direction of rotation of the input shaft, will compress to allow the worm gear to axially move and thus cause a toothed plated attached to the worm gear to engage a mating toothed plated fixed to the actuator housing. The engaged plates therefore ground the stall torque to the housing to prevent damage to the flight control surface and its transmission. The load limiter is disengaged by reversing the direction of rotation of the input shaft.
摘要翻译： 用于防止失速扭矩从动力驱动单元传递到飞机的飞行控制表面的负载限制器。 本发明提供了一种具有比以前更小的重量和更小的空间要求的包装中的这种负载限制器。 飞行器的动力驱动单元产生从旋转输入轴传递到蜗轮，斜齿轮，滚珠丝杠和飞行器飞行控制表面的转矩。 如果飞行控制表面卡住或以其他方式阻止移动，则滚珠丝杠以及因此的斜齿轮停止转动。 然而，动力驱动单元的失速转矩将继续导致输入轴旋转，这又将导致蜗轮旋转并与斜齿轮相互作用。 由于斜齿轮不能移动，螺旋齿轮将使蜗轮相对于输入轴轴向平移。 蜗杆通常通过横向于蜗轮的侧面的压缩和拉伸弹簧来防止这种运动，而是通过根据输入的旋转方向来调节弹簧以克服失速转矩的水平，弹簧中的一个弹簧 轴将被压缩以允许蜗轮轴向移动，并且因此导致附接到蜗轮的齿形接合固定到致动器壳体上的配对齿形电镀。 因此，接合板将失速扭矩接地到外壳上，以防止飞行控制表面及其传动损坏。 通过反转输入轴的旋转方向来解除负载限制器。
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7.发明授权Compact actuator including resettable force limiting and anti-backdrive devices 失效紧凑型执行器，包括可复位力限制和反向反向驱动装置
公开(公告)号：US5655636A
公开(公告)日：1997-08-12
申请号：US460366
申请日：1995-06-02
申请人： David J. Lang , Gary D. Gillingham
发明人： David J. Lang , Gary D. Gillingham
CPC分类号： B64C13/28 , F16H25/2021 , F16H25/2454 , F16H2035/005 , Y10T74/18704
摘要： A compact ball screw type actuator having both load limiting capability above a pre-determined value and position holding capability at all load values above, below and at the pre-determined value is provided through use of a resettable force limiting assembly acting directly on an element of the ball screw, in conjunction with a friction drag device operating directly upon an input shaft operatively coupled through a crossed-helical gear train to the ball screw. The force limiter utilizes axial force on the ball screw above the pre-determined value for engaging clutch teeth to limit the force applied by the ball screw, or to provide the position holding function and for preventing backdriving of the actuator. For force levels at or below the pre-determined value, the input drag device provides the position holding function.
摘要翻译： 通过使用直接作用在元件上的可复位力限制组件，提供了一种紧凑的滚珠丝杠式致动器，其具有高于预定值的负载限制能力和在所有负载值高于，低于和预定值的位置保持能力 与直接在通过十字螺旋齿轮系操作地连接到滚珠丝杠的输入轴上的摩擦阻力装置相结合。 力限制器利用高于预定值的滚珠丝杠上的轴向力来接合离合器齿以限制由滚珠丝杠施加的力，或者提供位置保持功能并防止致动器的反向驱动。 对于等于或小于预定值的力水平，输入拖曳装置提供位置保持功能。
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公开(公告)号：US5624552A
公开(公告)日：1997-04-29
申请号：US199588
申请日：1994-02-22
申请人： Enoch S. Vales , John A. Cherry , David J. Lang
发明人： Enoch S. Vales , John A. Cherry , David J. Lang
CPC分类号： B09C1/02 , B09C1/002 , B09C2101/00 , C02F2103/06
摘要： A barrier of sheet metal elements in pile-driven into the ground in the path of contaminated groundwater. The barrier serves to funnel the contaminated water into an aperture in the barrier, in which is located a receptacle. A caisson is driven into the ground at the aperture, and the soil etc. removed from inside. A receptacle is lowered into the empty caisson, and a seal is provided whereby, when the caisson is removed the receptacle is sealed to the barrier. Baskets containing treatment material may be lowered into and hoisted out from the receptacle. Rubber seals seal the basket to the receptacle.
摘要翻译： 在受污染的地下水的路径中打入地下的钣金元件的屏障。 屏障用于将污染的水漏入屏障中的孔中，其中位于容器中。 沉孔被驱动到孔的地面，土壤等从内部移除。 将容器放入空的沉箱中，并且提供密封件，由此，当卸下沉箱时，容器被密封到屏障。 含有处理材料的篮子可以从容器中降下并从其中提升。 橡胶密封将篮子密封到容器。
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公开(公告)号：US5200236A
公开(公告)日：1993-04-06
申请号：US688692
申请日：1991-04-24
CPC分类号： C11D17/0039 , C11D3/39 , C11D3/395 , Y10T428/2989 , Y10T428/2991
摘要： Solid core particles encapsulated in a single coat of paraffin wax, the wax having a melting point of about 40.degree. to about 50.degree. C. and a solids content of from 100 to about 35% at 40.degree. C. and from 0 to about 15% at 50.degree. C. The paraffin coat may comprise 20 to 90% by weight of the particle and may be from 100 to 1,500 microns thick. The coat prolongs the time in which particles encapsulated therewith may remain active in aqueous environments.The encapsulated particle is made by spraying molten wax onto the particles in a fluidized bed. Liquid or powder cleaning compositions, particularly automatic dishwashing liquid detergents, may incorporate 0.01 to 20% by weight of the composition of the coated wax-encapsulated particles.
摘要翻译： 包封在单一石蜡层中的固体核心颗粒，该蜡具有约40℃至约50℃的熔点，在40℃和0至约15℃的固体含量为100至约35％ ％。石蜡涂层可以包含20-90重量％的颗粒，并且可以是100-1,500微米厚。 涂层延长了包封在其中的颗粒在水性环境中保持活性的时间。 包封的颗粒通过在流化床中将熔融蜡喷射到颗粒上而制成。 液体或粉末清洁组合物，特别是自动餐具洗涤液体洗涤剂，可以包含涂料蜡包封颗粒组合物的重量的0.01％至20％。
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公开(公告)号：US4834225A
公开(公告)日：1989-05-30
申请号：US83228
申请日：1987-08-10
CPC分类号： F16D67/00 , B64C13/28 , F16D59/00 , F16H25/20 , F16H2035/005 , F16H25/2204 , Y10T74/18704
摘要： A no-back mechanism including a rotatable screw shaft 16, rotatable drive element 70 on the screw shaft 16, a limited lost motion connection 72 between the screw shaft 16 and the drive element 70, a thrust plate 28 on the screw shaft 16, first and second friction discs 30, 32 sandwiching the thrust plate 28 and being journaled by bearings 38, 40 for rotation with the thrust plate 28, first and second one way clutches 54, 56 respectively associated with the first and second friction discs 30, 32 for respectively allowing the first friction disc 30 to rotate in one direction but not the other and for allowing the second friction disc 32 to rotate in the other direction but not in the first direction, a ratchet ring 86, 88 surrounding the screw shaft 16, first and second oppositely directed pawls 104, 106 carried by the screw shaft 16 and engageable with the ratchet ring 86, 88 for preventing relative motion between the screw shaft 16 and the ratchet ring 86, 88 in the direction the associated pawl 104, 106 is directed, and a pawl operator 116 carried by the drive element 70 and operable to disengage one or the other of the pawls 104, 106 from the ratchet ring 86, 88, dependent upon the direction of rotation of the drive element 70 as the drive element 70 moves relative to the screw shaft 16 through the limited lost motion connection 72.
摘要翻译： 包括可旋转螺杆轴16，螺杆轴16上的可旋转驱动元件70，螺杆轴16和驱动元件70之间的有限的运动连接72，螺旋轴16上的推力板28， 以及夹持推力板28并由轴承38,40支承以与推力板28一起旋转的第二摩擦盘30,32，分别与第一和第二摩擦盘30,32相关联的第一和第二单向离合器54,56，用于 分别允许第一摩擦盘30在一个方向上而不是另一方向旋转，并且用于允许第二摩擦盘32沿另一方向旋转而不是在第一方向上旋转，第一摩擦圆盘32围绕螺杆轴16的棘轮环86,88 以及由螺杆轴16承载并可与棘轮环86,88配合的第二相对定向的爪104,106，用于防止螺杆轴16与棘轮环86,88之间的相对运动 定位棘爪104,106被引导，并且棘爪操作器116由驱动元件70承载并且可操作以根据驱动器的旋转方向将棘爪104,106中的一个或另一个与棘轮环86,88分离 驱动元件70通过有限的运动连接72相对于螺杆轴16移动。
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