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27 条记录 (耗时 0.027 秒)

    APPARATUS, SYSTEM, AND METHOD FOR CYCLE IMPROVEMENTS
    4.
    发明申请
    APPARATUS, SYSTEM, AND METHOD FOR CYCLE IMPROVEMENTS 有权
    装置，系统和周期改进方法

    公开(公告)号：US20120238410A1

    公开(公告)日：2012-09-20

    申请号：US13048860

    申请日：2011-03-15

    申请人： Deo Magakat ,  David Beard ,  Victor Cornejo ,  Kevin Corbalis ,  Michael Morgan

    发明人： Deo Magakat ,  David Beard ,  Victor Cornejo ,  Kevin Corbalis ,  Michael Morgan

    IPC分类号： A63B22/08 ,  B62M3/08 ,  B23P11/00 ,  B62M3/00 ,  B62M1/02

    CPC分类号： A63B22/0605 ,  A63B21/0055 ,  A63B21/015 ,  A63B2022/0611 ,  A63B2220/34 ,  A63B2220/51 ,  B62M3/00 ,  B62M3/003 ,  B62M3/08 ,  G06F1/1632 ,  Y10T29/49826 ,  Y10T74/2164

    摘要： A cycle with tapered drivetrain connections. The cycle includes a frame, a crank rotatably connected to the frame, and a driven wheel rotatably connected to the frame. The crank includes a crank arm and a crank spindle rotatably connected to the frame and non-rotatably connected to the crank arm. The crank spindle includes a crank mating surface to interface with the crank arm. The diameter of the crank spindle continuously decreases along at least a portion of the crank mating surface in a lateral direction. The crank arm includes a crank bore to interface with the crank mating surface. At least a portion of the crank bore has a diameter that continuously decreases in lateral direction. At least a portion of the crank bore taper has a taper rate and diameter equal to a taper rate and diameter of at least a portion of the crank spindle taper.

    摘要翻译： 具有锥形传动系连接的循环。 该循环包括框架，可旋转地连接到框架的曲柄和可旋转地连接到框架的从动轮。 曲柄包括可旋转地连接到框架并且不可旋转地连接到曲柄臂的曲柄臂和曲柄心轴。 曲柄轴包括与曲柄臂相接的曲柄配合表面。 曲柄轴的直径沿曲柄配合面的至少一部分沿横向方向连续地减小。 曲柄臂包括与曲柄配合表面相接的曲柄孔。 曲柄孔的至少一部分具有在横向方向上连续减小的直径。 曲柄孔锥度的至少一部分具有等于曲柄轴锥度的至少一部分的锥度速率和直径的锥度速率和直径。

    Apparatus, system, and method for cycle improvements
    5.
    发明授权
    Apparatus, system, and method for cycle improvements 有权
    用于循环改进的装置，系统和方法

    公开(公告)号：US09327799B2

    公开(公告)日：2016-05-03

    申请号：US13048860

    申请日：2011-03-15

    申请人： Deo Magakat ,  David Beard ,  Victor Cornejo ,  Kevin Corbalis ,  Michael Morgan

    发明人： Deo Magakat ,  David Beard ,  Victor Cornejo ,  Kevin Corbalis ,  Michael Morgan

    IPC分类号： B62M1/36 ,  B62M3/00 ,  A63B21/015 ,  A63B22/06 ,  G06F1/16

    CPC分类号： A63B22/0605 ,  A63B21/0055 ,  A63B21/015 ,  A63B2022/0611 ,  A63B2220/34 ,  A63B2220/51 ,  B62M3/00 ,  B62M3/003 ,  B62M3/08 ,  G06F1/1632 ,  Y10T29/49826 ,  Y10T74/2164

    摘要： A cycle with tapered drivetrain connections. The cycle includes a frame, a crank rotatably connected to the frame, and a driven wheel rotatably connected to the frame. The crank includes a crank arm and a crank spindle rotatably connected to the frame and non-rotatably connected to the crank arm. The crank spindle includes a crank mating surface to interface with the crank arm. The diameter of the crank spindle continuously decreases along at least a portion of the crank mating surface in a lateral direction. The crank arm includes a crank bore to interface with the crank mating surface. At least a portion of the crank bore has a diameter that continuously decreases in lateral direction. At least a portion of the crank bore taper has a taper rate and diameter equal to a taper rate and diameter of at least a portion of the crank spindle taper.

    摘要翻译： 具有锥形传动系连接的循环。 该循环包括框架，可旋转地连接到框架的曲柄和可旋转地连接到框架的从动轮。 曲柄包括可旋转地连接到框架并且不可旋转地连接到曲柄臂的曲柄臂和曲柄心轴。 曲柄轴包括与曲柄臂相接的曲柄配合表面。 曲柄轴的直径沿曲柄配合面的至少一部分沿横向方向连续地减小。 曲柄臂包括与曲柄配合表面相接的曲柄孔。 曲柄孔的至少一部分具有在横向方向上连续减小的直径。 曲柄孔锥度的至少一部分具有等于曲柄轴锥度的至少一部分的锥度速率和直径的锥度速率和直径。

    Frequency dithering to avoid excitation pulse ringing
    8.
    发明授权
    Frequency dithering to avoid excitation pulse ringing 有权
    频率抖动以避免激励脉冲振铃

    公开(公告)号：US07301337B2

    公开(公告)日：2007-11-27

    申请号：US10675187

    申请日：2003-09-30

    申请人： David Beard

    发明人： David Beard

    IPC分类号： G01V3/00

    CPC分类号： G01N24/081 ,  G01V3/32

    摘要： An apparatus and method of obtaining information about a property of interest relating to an earth formation resulting in reduced ringing effects is discussed. A Nuclear Magnetic Resonance (NMR) logging tool is conveyed into a borehole in the earth formation. A first pulse sequence is applied having a first associated measurement frequency, and first NMR signals are measured. The first NMR signals include non-formation signals resulting from an excitation pulse and a refocusing pulse in the first pulse echo sequence. A second and third pulse sequence, at different frequencies from each other and from the first frequency, is applied, and corresponding second and third NMR signals are measured. A phase of the non-formation signals resulting from the first pulse echo sequence and a phase of the non-formation signals resulting from the second and third pulse echo sequences are substantially evenly distributed around a unit circle.

    摘要翻译： 讨论了一种获得关于地球物理相关性质的信息的装置和方法，导致振铃效应降低。 核磁共振（NMR）测井工具被输送到地层中的钻孔中。 应用具有第一相关测量频率的第一脉冲序列，并且测量第一NMR信号。 第一NMR信号包括由第一脉冲回波序列中的激发脉冲和再聚焦脉冲产生的非形成信号。 应用彼此不同频率和第一频率的第二和第三脉冲序列，并且测量对应的第二和第三NMR信号。 从第一脉冲回波序列产生的非形成信号的相位和由第二和第三脉冲回波序列产生的非形成信号的相位基本均匀地分布在单位圆周围。

    Alert Device
    9.
    发明申请
    Alert Device 有权
    警报装置

    公开(公告)号：US20070252724A1

    公开(公告)日：2007-11-01

    申请号：US11571172

    申请日：2005-06-24

    申请人： Andrew Donaghey ,  Ian McDonald ,  David Beard

    发明人： Andrew Donaghey ,  Ian McDonald ,  David Beard

    IPC分类号： G08G1/09 ,  B60Q1/00 ,  G08G1/123

    CPC分类号： H04Q9/00 ,  G01D4/004 ,  G01R22/063 ,  G01R22/10 ,  G06F8/654 ,  G08G1/091 ,  G08G1/092 ,  G08G1/0962 ,  G08G5/0026 ,  Y02B90/242 ,  Y04S20/322

    摘要： An alert device for a vehicle including a communications receiver for receiving file fragments for the device, a positioning data receiver for providing vehicle location data, a microcontroller system including a microcontroller and a programmable non-volatile memory system, for building and storing application and data files from the fragments, and executing an alert application of the device by processing at least one application file and associated data identified by configuration instructions included in at least one of the fragments to provide alert data for the vehicle corresponding to the location of the vehicle determined by the application on the basis of the vehicle location data.

    摘要翻译： 一种用于车辆的警报装置，包括用于接收用于设备的文件片段的通信接收器，用于提供车辆位置数据的定位数据接收器，包括微控制器和可编程非易失性存储器系统的微控制器系统，用于构建和存储应用和数据 并且通过处理至少一个应用文件和由包括在至少一个片段中的配置指令所识别的相关联的数据来执行设备的警报应用，以提供对应于所确定的车辆的位置的车辆的警报数据 通过应用在车辆位置数据的基础上。

    Optimal excitation pulse shaping for multi-frequency measurements in NMR logging
    10.
    发明授权
    Optimal excitation pulse shaping for multi-frequency measurements in NMR logging 失效
    在NMR测井中进行多频测量的最佳激发脉冲整形

    公开(公告)号：US06597170B1

    公开(公告)日：2003-07-22

    申请号：US09606998

    申请日：2000-06-29

    申请人： David Beard ,  Gregory Itskovich ,  Arcady Reiderman ,  Songhua Chen

    发明人： David Beard ,  Gregory Itskovich ,  Arcady Reiderman ,  Songhua Chen

    IPC分类号： G01V300

    CPC分类号： G01V3/32 ,  G01N24/081

    摘要： Pulse shaping is used for reducing the interference between echo trains of multiple frequency NMR logging applications in a gradient logging tool. The major contribution to the interference between different logging sequences comes from the sidelobes in the spectra of the excitation signal caused by modulating the RF signal with a square pulse. By shaping the tipping pulse in a CPMG pulse sequence, the interference between logging sequences at proximate frequencies is reduced. The shaped pulse may be a smooth function such as the Chebyshev function or it may be a composite of two rectangular pulses. In an alternate embodiment of the invention, the refocusing pulses are also shaped.

    摘要翻译： 脉冲整形用于减少梯度测井工具中多次NMR测井应用的回波列之间的干扰。 对不同记录序列之间的干扰的主要贡献来自于通过用平方脉冲调制RF信号引起的激励信号的频谱中的旁瓣。 通过以CPMG脉冲序列整形翻转脉冲，降低了接近频率下记录序列之间的干扰。 成形脉冲可以是诸如切比雪夫功能的平滑功能，或者它可以是两个矩形脉冲的复合。 在本发明的替代实施例中，再聚焦脉冲也被成形。