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公开(公告)号：US08591136B2
公开(公告)日：2013-11-26
申请号：US13117756
申请日：2011-05-27
IPC分类号： B64D35/00
CPC分类号： B64C27/14
摘要： A non-rotating universal joint for a helicopter drive unit has a spider defined by a ring, which has four connecting portions spaced 90° apart and engaging respective forks defining the ends of respective arms of two connecting members which, in use, are fixed with respect to a casing of an engine and a casing of a reduction gear; each fork and the corresponding connecting portion have respective through holes coaxial with one another and engaged by a screw; and dampers are interposed between the connecting portions of the ring and the shanks of the screws, and between the connecting portions of the ring and the forks.
摘要翻译： 用于直升机驱动单元的非旋转万向节具有由环限定的蜘蛛，该环具有四个分开间隔开90°的连接部分，并且限定两个连接部件的各个臂的端部的各自的叉，所述两个连接部件在使用中固定有 相对于发动机的壳体和减速齿轮的壳体; 每个叉和相应的连接部分具有彼此同轴并由螺钉接合的相应的通孔; 并且阻尼器插入在环的连接部分和螺钉的杆之间以及环和叉的连接部分之间。
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公开(公告)号：US20110293358A1
公开(公告)日：2011-12-01
申请号：US13117756
申请日：2011-05-27
IPC分类号： F16C11/06
CPC分类号： B64C27/14
摘要： A non-rotating universal joint for a helicopter drive unit has a spider defined by a ring, which has four connecting portions spaced 90° apart and engaging respective forks defining the ends of respective arms of two connecting members which, in use, are fixed with respect to a casing of an engine and a casing of a reduction gear; each fork and the corresponding connecting portion have respective through holes coaxial with one another and engaged by a screw; and dampers are interposed between the connecting portions of the ring and the shanks of the screws, and between the connecting portions of the ring and the forks.
摘要翻译： 用于直升机驱动单元的非旋转万向节具有由环限定的蜘蛛，该环具有四个分开间隔开90°的连接部分，并且限定两个连接部件的各个臂的端部的各自的叉，所述两个连接部件在使用中固定有 相对于发动机的壳体和减速齿轮的壳体; 每个叉和相应的连接部分具有彼此同轴并由螺钉接合的相应的通孔; 并且阻尼器插入在环的连接部分和螺钉的杆之间以及环和叉的连接部分之间。
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公开(公告)号：US20090071753A1
公开(公告)日：2009-03-19
申请号：US11454229
申请日：2006-06-16
IPC分类号： F01M1/20
CPC分类号： F16N7/38 , B64C27/006 , B64C27/12 , F16C2361/61 , F16H57/0442 , F16H57/045 , F16H57/0456 , F16H57/0471 , F16H57/0495 , F16N9/02
摘要： There is described a helicopter having a first member movable with respect to a second member; lubricated supporting means for supporting the first member with respect to the second member; and a primary lubricating circuit for lubricating the supporting means and in turn having primary storage means for accumulating a lubricating fluid, and primary fluid feed means for feeding the lubricating fluid to the supporting means; the helicopter also has an auxiliary lubricating circuit supplied continually by the primary storage means with a first lubricating fluid flow value, and itself continually supplying the supporting means with a second lubricating fluid flow value lower than the first value, so as to produce an auxiliary storage volume of lubricating fluid for use in the event of breakdown of the primary lubricating circuit.
摘要翻译： 描述了具有相对于第二构件可移动的第一构件的直升机; 润滑的支撑装置，用于相对于第二构件支撑第一构件; 以及用于润滑支撑装置并且还具有用于累积润滑流体的主存储装置的主润滑回路和用于将润滑流体供给到支撑装置的主流体供给装置; 所述直升机还具有辅助润滑回路，所述辅助润滑回路由所述主存储装置连续供给第一润滑流体流动值，并且本身连续地向所述支撑装置供应低于所述第一值的第二润滑流体流量值，以便产生辅助储存器 用于主润滑回路故障的润滑液体积。
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公开(公告)号：US07651049B2
公开(公告)日：2010-01-26
申请号：US11454229
申请日：2006-06-16
IPC分类号： F01M9/06
CPC分类号： F16N7/38 , B64C27/006 , B64C27/12 , F16C2361/61 , F16H57/0442 , F16H57/045 , F16H57/0456 , F16H57/0471 , F16H57/0495 , F16N9/02
摘要： There is described a helicopter having a first member movable with respect to a second member; lubricated supporting means for supporting the first member with respect to the second member; and a primary lubricating circuit for lubricating the supporting means and in turn having primary storage means for accumulating a lubricating fluid, and primary fluid feed means for feeding the lubricating fluid to the supporting means; the helicopter also has an auxiliary lubricating circuit supplied continually by the primary storage means with a first lubricating fluid flow value, and itself continually supplying the supporting means with a second lubricating fluid flow value lower than the first value, so as to produce an auxiliary storage volume of lubricating fluid for use in the event of breakdown of the primary lubricating circuit.
摘要翻译： 描述了具有相对于第二构件可移动的第一构件的直升机; 润滑的支撑装置，用于相对于第二构件支撑第一构件; 以及用于润滑支撑装置并且还具有用于累积润滑流体的主存储装置的主润滑回路和用于将润滑流体供给到支撑装置的主流体供给装置; 所述直升机还具有辅助润滑回路，所述辅助润滑回路由所述主存储装置连续供给第一润滑流体流动值，并且本身连续地向所述支撑装置供应低于所述第一值的第二润滑流体流量值，以便产生辅助储存器 用于主润滑回路故障的润滑液体积。
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公开(公告)号：US07882932B2
公开(公告)日：2011-02-08
申请号：US11450876
申请日：2006-06-12
IPC分类号： F16H57/04
CPC分类号： B64C27/12 , B64C27/006 , F16C33/66 , F16C2326/43 , F16C2361/61 , F16H57/043 , F16H57/0442 , F16H57/045 , F16H57/0471 , F16H57/0495 , Y10S384/902
摘要： There is described a transmission for a helicopter, the transmission having a movable transmission member; a casing housing the movable member; lubricated supporting means for supporting the movable member inside the casing and for rotation about an axis; and feed means for feeding a lubricating fluid to the supporting means; the transmission also has storage means permitting gradual release of the lubricating fluid, and which are connected fluidically to the feed means and to the supporting means to permit lubrication of the supporting means in the event of breakdown of the feed means; and the storage means are angularly integral with the movable member and located radially inwards of the supporting means to feed the lubricating fluid centrifugally to the supporting means.
摘要翻译： 描述了用于直升机的变速器，该变速器具有可移动的传动构件; 容纳可动构件的壳体; 润滑的支撑装置，用于将可动构件支撑在壳体内并围绕轴线旋转; 以及用于将润滑流体供给到支撑装置的进给装置; 传动装置还具有允许润滑流体逐渐释放并且与进料装置和支撑装置流体连接的存储装置，以便在进给装置发生故障的情况下润滑支撑装置; 并且所述存储装置与所述可移动构件成角度地一体，并且位于所述支撑装置的径向向内，以将所述润滑流体离心地供给到所述支撑装置。
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公开(公告)号：US20090072081A1
公开(公告)日：2009-03-19
申请号：US11450876
申请日：2006-06-12
CPC分类号： B64C27/12 , B64C27/006 , F16C33/66 , F16C2326/43 , F16C2361/61 , F16H57/043 , F16H57/0442 , F16H57/045 , F16H57/0471 , F16H57/0495 , Y10S384/902
摘要： There is described a transmission for a helicopter, the transmission having a movable transmission member; a casing housing the movable member; lubricated supporting means for supporting the movable member inside the casing and for rotation about an axis; and feed means for feeding a lubricating fluid to the supporting means; the transmission also has storage means permitting gradual release of the lubricating fluid, and which are connected fluidically to the feed means and to the supporting means to permit lubrication of the supporting means in the event of breakdown of the feed means; and the storage means are angularly integral with the movable member and located radially inwards of the supporting means to feed the lubricating fluid centrifugally to the supporting means.
摘要翻译： 描述了用于直升机的变速器，该变速器具有可移动的传动构件; 容纳可动构件的壳体; 润滑的支撑装置，用于将可动构件支撑在壳体内并围绕轴线旋转; 以及用于将润滑流体供给到支撑装置的进给装置; 传动装置还具有允许润滑流体逐渐释放并且与进料装置和支撑装置流体连接的存储装置，以便在进给装置发生故障的情况下润滑支撑装置; 并且所述存储装置与所述可移动构件成角度地一体，并且位于所述支撑装置的径向向内，以将所述润滑流体离心地供给到所述支撑装置。
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公开(公告)号：US08845227B2
公开(公告)日：2014-09-30
申请号：US13327026
申请日：2011-12-15
IPC分类号： F16B21/02
CPC分类号： F16B21/02 , Y10T403/70 , Y10T403/7005 , Y10T403/7007
摘要： A fastening assembly having a tubular first coupling member; a second coupling member insertable coaxially inside the first coupling member in a first direction; and releasable fastening means for locking the first and second coupling member to each other in a predetermined axial lock position. The fastening means include: first and second engaging means formed on the first and second coupling member, connectable to each other to define a foolproof angular insertion/release position, and releasable by positioning the second coupling member in a predetermined axial position inside the first coupling member; and third and fourth engaging means formed on the first and second coupling member and connectable to each other in a further angular position of the second coupling member, different from the angular insertion/release position, by moving the second coupling member axially, from the predetermined axial position, in a second direction opposite the first direction.
摘要翻译： 一种紧固组件，其具有管状第一联接构件; 第二联接构件，其在第一方向上可同轴地插入在第一联接构件内; 以及可释放的紧固装置，用于在预定的轴向锁定位置将第一和第二联接构件彼此锁定。 紧固装置包括：形成在第一和第二联接构件上的第一和第二接合装置，可彼此连接以限定愚蠢的角度插入/释放位置，并且可通过将第二联接构件定位在第一联接器内部的预定轴向位置而被释放 会员; 以及第三和第四接合装置，其形成在第一和第二联接构件上，并且通过使第二联接构件从预定的角度轴向移动而在第二联接构件的不同角度插入/释放位置的另一角度位置中彼此连接 在与第一方向相反的第二方向上的轴向位置。
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公开(公告)号：US20120088590A1
公开(公告)日：2012-04-12
申请号：US13208872
申请日：2011-08-12
CPC分类号： F16F15/067 , F16F7/02 , Y10T464/50
摘要： A damping device for damping flexural vibration of a shaft rotating about a first axis, the device having: a supporting body; and a member, which defines an annular opening fitted through with the shaft, and is movable, with respect to the supporting body and radially with respect to the first axis, between a first and a second position when the shaft flexes radially with respect to the first axis. The member is set to the first position, and the opening is traversed loosely by the shaft when the rotation speed of the shaft is within a first range; the member is set to the second position, and the opening cooperates with the shaft, when the rotation speed of the shaft is within a second range differing from the first range and including at least one critical speed of the shaft; and the damping device has elastic means interposed between the supporting body and the member.
摘要翻译： 一种阻尼装置，用于减轻围绕第一轴线旋转的轴的挠曲振动，所述装置具有：支撑体; 以及构件，其限定与所述轴配合的环形开口，并且当所述轴相对于所述支撑体径向相对于所述第一和第二位置径向地弯曲时，所述环形开口相对于所述支撑体可相对于所述第一轴线可径向移动 第一轴。 当轴的旋转速度在第一范围内时，构件被设定在第一位置，并且开口被轴松动地移动; 当所述轴的转速在与所述第一范围不同的第二范围内并且包括所述轴的至少一个临界转速时，所述构件被设定在所述第二位置，并且所述开口与所述轴配合; 并且阻尼装置具有插入在支撑体和构件之间的弹性装置。
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公开(公告)号：US08113803B2
公开(公告)日：2012-02-14
申请号：US12360955
申请日：2009-01-28
申请人： Dario Colombo , Giuseppe Gasparini
发明人： Dario Colombo , Giuseppe Gasparini
CPC分类号： F04C11/006 , F01D25/20 , F01M2001/123 , F04C2/084 , F04C2/086 , F04C2/126 , F04C2/18 , F04C15/0076 , Y02T50/671
摘要： A lubricating pump having a first stage and a second stage; the first stage in turn has an intake connectable hydraulically to a tank of lubricating fluid, and a delivery outlet connectable hydraulically to a lubricated member; the first stage compresses the lubricating fluid from the tank to a pressure for supply to the member; the second stage in turn has an inlet connectable hydraulically to a casing housing the member, and an outlet connectable hydraulically to the tank; the second stage feeds the lubricating fluid in the casing back into the tank; the second stage is a Roots type, and has a first and a second rotor rotating about respective axes to feed the lubricating fluid from the inlet to the outlet; and the first and second rotor are operated by the first stage.
摘要翻译： 一种具有第一级和第二级的润滑泵; 第一阶段又具有液压地连接到润滑流体箱的进气口和可液压地连接到润滑部件的输送出口; 第一阶段将润滑流体从罐压缩到用于供应到构件的压力; 第二阶段又具有液压地连接到容纳该构件的壳体的入口以及可液压地连接到罐的出口; 第二阶段将壳体中的润滑流体送入罐中; 第二级是根类型，并且具有围绕各自的轴线旋转的第一和第二转子，以将润滑流体从入口供给到出口; 并且第一和第二转子由第一级操作。
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公开(公告)号：US20130035197A1
公开(公告)日：2013-02-07
申请号：US13560099
申请日：2012-07-27
申请人： Sergio Sartori , Filippo Ozzi , Giuseppe Gasparini
发明人： Sergio Sartori , Filippo Ozzi , Giuseppe Gasparini
CPC分类号： B64C27/12 , F16H1/28 , F16H55/0806 , F16H55/088 , Y10T29/49462
摘要： Described herein is a planetary gear train, comprising: a sun gear that can turn about an axis and comprises a plurality of first teeth; a fixed crown wheel comprising a plurality of second teeth; and two planetary gears, each comprising a plurality of third teeth, the planetary gears each meshing with the crown wheel and the sun gear and able to turn about second axes, which are in turn able to turn about the first axis; at least two third teeth simultaneously mesh with second teeth and further two third teeth simultaneously mesh with first teeth; the third teeth comprise a first a second side, which have, respectively, a first and a second pressure angle different from one another; and the number of the third teeth is different from the absolute value of the semidifference between the number of the first teeth and of the second teeth.
摘要翻译： 本文描述的是一种行星齿轮系，包括：太阳齿轮，其可围绕轴线转动并且包括多个第一齿; 固定冠轮，包括多个第二齿; 以及两个行星齿轮，每个行星齿轮包括多个第三齿，所述行星齿轮分别与冠轮和太阳齿轮相啮合，并且能绕第二轴转动，第二轴又能绕第一轴转动; 至少两个第三齿同时与第二齿啮合，另外两个第三齿同时与第一齿啮合; 第三齿包括分别具有彼此不同的第一和第二压力角的第一第二侧面; 并且第三齿的数量不同于第一齿和第二齿之间的半数的绝对值。
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