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    • 2. 发明授权
    • Single-bunch synchrotron shutter
    • 单束同步加速器快门
    • US5225788A
    • 1993-07-06
    • US762966
    • 1991-09-20
    • James R. NorrisJau-Huei TangLin ChenMarion Thurnauer
    • James R. NorrisJau-Huei TangLin ChenMarion Thurnauer
    • H05H7/10
    • H05H7/10
    • An apparatus for selecting a single synchrotron pulse from the millions of pulses provided per second from a synchrotron source includes a rotating spindle located in the path of the synchrotron pulses. The spindle has multiple faces of a highly reflective surface, and having a frequency of rotation f. A shutter is spaced from the spindle by a radius r, and has an open position and a closed position. The pulses from the synchrotron are reflected off the spindle to the shutter such that the speed s of the pulses at the shutter is governed by:s=4.times..pi..times.r.times.f.such that a single pulse is selected for transmission through an open position of the shutter.
    • 用于从同步加速器源每秒提供的数百万个脉冲中选择单个同步加速器脉冲的装置包括位于同步加速器脉冲路径中的旋转主轴。 主轴具有高反射表面的多个面,并且具有旋转频率f。 快门与主轴间隔半径r,并具有打开位置和关闭位置。 来自同步加速器的脉冲从主轴反射到快门,使得快门处的脉冲速度由下式决定:s = 4x pi xrxf。 使得单个脉冲被选择用于通过快门的打开位置传输。
    • 3. 发明授权
    • Ultrasonic inspection apparatus
    • 超声波检测仪
    • US4429576A
    • 1984-02-07
    • US289209
    • 1981-08-03
    • James R. Norris
    • James R. Norris
    • G01N29/265G01N29/34G01N29/44G01N29/04
    • G01N29/348G01N29/265G01N29/4445G01N2291/044
    • An ultrasonic inspection apparatus for inspecting a test piece includes an ultrasonic transducer for transmitting test signals into the test piece, for receiving associated response signals reflected back thereto, and for generating a defect signal when a response signal indicates an abnormal condition in the test piece. A control signal generator generates a control signal at predetermined intervals of distance of movement of the transducer relative to the test piece while the transducer generates test signals at a frequency independent the control signal frequency. A principal counter counts the control signals and generates an alarm signal when its count exceeds a value indicating that sufficient defect signals have been generated during movement of the transducer over a predetermined distance to confirm the presence of an unacceptable abnormal condition. A reset counter is connected to the control signal generator for also counting the control signals, is connected to the transducer for receiving defect signals therefrom, and is connected to the principal counter for generating a reset signal therefor. The reset counter is reset by each of the defect signals and generates one reset signal when its count exceeds a predetermined amount indicative of the maximum distance of movement of the transducer during which a defect signal may not be generated from an unacceptable abnormal condition.
    • 用于检查试验片的超声波检查装置包括:超声波换能器,用于将测试信号发送到测试片中,用于接收反射回的相关的响应信号,并且当响应信号表示测试片中的异常状况时产生缺陷信号。 控制信号发生器以与传感器相对于测试件的移动距离的预定间隔产生控制信号,同时换能器以与控制信号频率无关的频率产生测试信号。 主计数器对控制信号进行计数,并且当其计数超过表示在换能器移动超过预定距离时已经产生足够的缺陷信号的值以产生不可接受的异常状况时产生报警信号。 复位计数器连接到控制信号发生器,用于对控制信号进行计数,连接到用于从其接收缺陷信号的换能器,并连接到主计数器以产生复位信号。 复位计数器由每个缺陷信号复位,当其计数超过表示可能不会从不可接受的异常状态产生缺陷信号的传感器的最大移动距离的预定量时产生一个复位信号。
    • 8. 发明授权
    • Cowling latch system
    • 导管闩锁系统
    • US4549708A
    • 1985-10-29
    • US413580
    • 1982-08-31
    • James R. Norris
    • James R. Norris
    • B64D29/06B64D29/08
    • B64D29/08B64D29/06Y10T292/083
    • A latch system 34 for the nacelle cowling 24 of a gas turbine engine 10 is disclosed. The latch system includes a coupling 36 which may be remotely operated by means of a cable 44. In one embodiment, a support structure 14, the coupling, the cable and a linkage system 48 for applying tension to the cable extends circumferentially about the interior of the cowling to provide constricting force on the cowling to increase the structural rigidity of the cowling. In another embodiment, the coupling has jaws 58 and 60 which are movable from a locked to an unlocked position as a result of the relative movement between the jaws and a housing 50. A linkage system is provided for tensioning the cable which in the locked position uses the tension in the cable to resist operative forces which might seek to open the latching system.
    • 公开了一种用于燃气涡轮发动机10的机舱罩24的闩锁系统34。 闩锁系统包括可以通过电缆44远程操作的联接器36.在一个实施例中,用于向电缆施加张力的支撑结构14,联接器,电缆和连接系统48围绕 整流罩在整流罩上提供约束力以增加整流罩的结构刚度。 在另一个实施例中,联接器具有爪58和60,其可以由卡爪与壳体50之间的相对移动而从锁定位置移动到解锁位置。提供连接系统用于张紧处于锁定位置的电缆 使用电缆中的张力来抵抗可能寻求打开闩锁系统的操作力。