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公开(公告)号：US4137764A
公开(公告)日：1979-02-06
申请号：US833501
申请日：1977-09-15
CPC分类号： G01P13/025 , G01W1/00 , G08G5/0043 , G08G5/0091 , G08G5/02
摘要： The separation between aircraft approaching a common runway is minimized by measuring the existing wind conditions at a preselected point relative to the runway threshold and basing a prediction of the movement of wake vortices on the measured conditions. The prediction of vortex movement is based upon a vortex advisory algorithm prepared from a plot of wind conditions which predictably remove vortices from the flight path.
摘要翻译： 通过测量相对于跑道阈值的预选点处的现有风况，并根据测量条件对尾流涡流的运动进行预测，使接近公共跑道的飞机之间的距离最小化。 涡流运动的预测是基于从风力条件绘制的涡流咨询算法，其可预测地从飞行路径去除涡流。
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公开(公告)号：US4167221A
公开(公告)日：1979-09-11
申请号：US711252
申请日：1976-08-03
申请人： Orvan D. Edmonson , William D. Wood
发明人： Orvan D. Edmonson , William D. Wood
CPC分类号： A01D34/828 , A01D34/6818 , B62D51/001 , G05G5/005 , A01D2034/6843
摘要： A starting interlock system for power equipment having a cam rotatable between two positions corresponding to energization modes of the equipment and a lever for holding the cam in each position. The cam has two cam surfaces, each of which is engaged by a separate one of two contact surfaces on the lever. The cam is pivotally mounted in a housing on the power equipment operator handle and the housing has an opening for insertion of a key into engagement with the cam to facilitate manual rotation of the cam. In a first energization mode, the lever must be continually manually held by the operator to retain the cam against rotation. Upon release of the lever, the cam pivots to a position corresponding to a second energization mode where it is locked against rotation until the lever is again manipulated by the operator. In the first energization mode, the key is retained within the housing, and cannot be removed. The cam is connected by a bowden wire cable to an electrical switch having two positions corresponding to the two energization modes. The switch is spring biased toward one of the energization modes. The biasing force is transferred from the switch, via the bowden wire cable to rotate the cam upon release of the manually held lever.
摘要翻译： 一种用于动力设备的启动互锁系统，具有可在对应于设备的通电模式的两个位置之间旋转的凸轮和用于将凸轮保持在每个位置的杠杆。 凸轮具有两个凸轮表面，每个凸轮表面通过杠杆上的两个接触表面中的一个单独的一个接合。 凸轮枢转地安装在电力设备操作者手柄上的壳体中，并且壳体具有用于插入钥匙以与凸轮接合的开口，以便于凸轮的手动旋转。 在第一通电模式中，杠杆必须由操作者连续手动地保持以保持凸轮不受旋转。 当释放杆时，凸轮枢转到与第二通电模式相对应的位置，在该位置中，其被锁定以防止旋转，直到操作者再次操纵该杆。 在第一通电模式下，钥匙保持在外壳内，不能拆卸。 凸轮通过弓形线缆连接到具有对应于两个通电模式的两个位置的电开关。 开关被弹簧偏压到其中一个通电模式。 偏压力通过鲍登线电缆从开关传送，以在释放手动杆时转动凸轮。
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公开(公告)号：US4321784A
公开(公告)日：1982-03-30
申请号：US169064
申请日：1980-07-15
申请人： William D. Wood , Gary R. Lamusga
发明人： William D. Wood , Gary R. Lamusga
CPC分类号： A01D34/74 , A01D2101/00
摘要： A lawn mower (2) is moveably supported by wheels (14) and (16). Wheels (14) and (16) are eccentrically mounted on front and rear link members (24) and (28) which are respectively joined together in pairs by through axles (30). Two flexible cables (32) and (34) transmit this rotation from one front link member (24) to one rear link member (28). One of the link members (24) and (28) is coupled by a flexible cable (80) to a selectively operable control (60) for effecting manual rotation of all of the link members (24) and (28). This effects a change in the height of the wheels (14) and (16) relative to housing (4) simultaneously.
摘要翻译： 割草机（2）由车轮（14）和（16）可动地支撑。 车轮（14）和（16）偏心地安装在通过轴（30）成对分别连接在一起的前连杆构件（24）和后连杆构件（28）上。 两个柔性电缆（32）和（34）将该旋转从一个前连杆构件（24）传递到一个后连杆构件（28）。 连接构件（24）和（28）中的一个通过柔性电缆（80）耦合到选择性操作的控制（60），用于实现所有连接构件（24）和（28）的手动旋转。 这同时影响车轮（14）和（16）相对于壳体（4）的高度的变化。
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公开(公告)号：US3982082A
公开(公告)日：1976-09-21
申请号：US601345
申请日：1975-08-04
CPC分类号： A01D34/6806 , A01D34/475 , A01D34/6818 , A01D34/828 , A01D2034/6843 , A01D2101/00
摘要： In a lawn and garden implement, a starting system is provided therefor which prevents accidental energization of the implement, and which also provides for automatic deenergization of the implement upon release thereof by the operator. The starting system includes an actuator lever engaging a switch actuator to rotate a removable key inserted within a rotary operated switch to open and close the implement's circuitry. Lockout means are provided which engage the switch actuator and which must be disengaged therefrom to permit actuator rotation. The component parts of the present invention all cooperate sequentially to provide a starting system which will not energize the implement unless the operator consciously follows the proper starting sequence.
摘要翻译： 在草坪和花园工具中，提供了一种启动系统，其防止工具的意外通电，并且还提供了由操作者释放的工具的自动断电。 启动系统包括致动器杠杆，其接合开关致动器以旋转插入旋转操作的开关内的可拆卸钥匙以打开和关闭器具的电路。 提供锁定装置，其接合开关致动器并且必须与其分离以允许致动器旋转。 本发明的组成部分全部顺序地配合以提供起动系统，除非操作者有意识地遵循正确的启动顺序，否则启动系统不会对工具通电。
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公开(公告)号：US4323894A
公开(公告)日：1982-04-06
申请号：US148386
申请日：1980-05-09
摘要： A circuit to drive electromagnetically actuated displays. The circuit maintains a precise current level regardless of variations in supply voltage and drive coil resistance. The inductance of the drive coil is utilized to increase the efficiency of the current control.
摘要翻译： 驱动电磁致动显示器的电路。 无论电源电压和驱动线圈电阻如何变化，电路都保持精确的电流电平。 利用驱动线圈的电感来提高电流控制的效率。
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公开(公告)号：US07603896B2
公开(公告)日：2009-10-20
申请号：US11520549
申请日：2006-09-13
IPC分类号： E21B47/10
CPC分类号： G09B7/02
摘要： A fluid flow model is comprised of one cross-flow style core holder and a multitude of standard style core holders, all connected by a concurrent combination of serial and parallel flow paths. The sum of these flow paths yields a fluid flow model that closely approximates a small radial slice of a conventional reservoir. The fluid flow model has particular applicability to estimate the requisite treatment fluid for use in acidizing as well as water control methods.
摘要翻译： 流体流动模型由一个交叉流式核心支架和多个标准风格的核心支架组成，全部通过串联和并行流动路径的并发组合连接。 这些流动路径的总和产生了紧密接近常规储层的小径向切片的流体流动模型。 流体流动模型具有特殊的适用性，可用于估算用于酸化以及水控制方法所需的处理流体。
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公开(公告)号：US4306408A
公开(公告)日：1981-12-22
申请号：US169065
申请日：1980-07-15
IPC分类号： A01D34/63 , A01D43/063 , A01D53/06
CPC分类号： A01D43/063 , A01D43/0636 , A01D2101/00 , A01D34/63
摘要： A grass catcher assembly (2) for use on a lawn mower comprises a flexible bag (4). The bag (4) includes an open front side (14) and an open top side (16). A cover (40) is pivotally secured to bag (4) adjacent the rear wall (12). Cover (40) includes a chute (50) that has a frictional engagement with a bag frame (38) for securing cover (40) in place. When cover (40) is pivoted upwardly, grass can be dumped from bag (4) through both the open front and top sides (14) and (16) when bag (4) is tipped forwardly.
摘要翻译： 用于割草机的草地捕集器组件（2）包括柔性袋（4）。 袋（4）包括敞开的前侧（14）和敞开的顶侧（16）。 盖（40）可靠地靠近后壁（12）固定到袋（4）上。 盖（40）包括滑槽（50），其与袋框架（38）摩擦接合，用于将盖（40）固定就位。 当盖（40）向上枢转时，当袋（4）向前倾斜时，草可以从袋（4）通过敞开的前侧和顶侧（14）和（16）倾倒。
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