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    • 53. 发明申请
    • FRICTION SURFACE STIR PROCESS
    • 摩擦表面STIR工艺
    • WO2014164318A1
    • 2014-10-09
    • PCT/US2014/021869
    • 2014-03-07
    • LOCKHEED MARTIN CORPORATION
    • MAURER, Scott M.ELLER, Michael R.LI, Zhixian
    • B23K20/12
    • C22F3/00B23K20/1275Y02E10/34
    • A process is described that employs what can be termed a friction surface stirring (FSS) process on the surface of a metal object. The FSS process occurs on some or the entire surface of the metal object, at a location(s) separate from a friction stir welded joint. The FSS process on the surface produces a corrosion resistant mechanical conversion "coating" on the object. The "coating" is formed by the thickness of the material of the object that has been FSS processed. In one exemplary application, the process can be applied to a metal strip that is later formed into a tube whereby the "coated" surface resides on the inside of the tube making it highly resistant to corrosive flow such as seawater.
    • 描述了在金属物体的表面上采用可以称为摩擦表面搅拌(FSS)工艺的方法。 FSS过程发生在与摩擦搅拌焊接接头分开的位置处的金属物体的一些或整个表面上。 表面上的FSS工艺在物体上产生耐腐蚀机械转化“涂层”。 “涂层”由已经被FSS处理的物体的材料的厚度形成。 在一个示例性应用中,该方法可以应用于随后形成管的金属带,由此“涂覆”表面位于管的内部,使得其高度耐腐蚀性流如海水。
    • 55. 发明申请
    • TRAIN INTEGRITY AND END OF TRAIN LOCATION VIA RF RANGING
    • 通过射频范围的火车完整性和火车位置结束
    • WO2014149413A1
    • 2014-09-25
    • PCT/US2014/018192
    • 2014-02-25
    • LOCKHEED MARTIN CORPORATION
    • MORRIS, Charles W.
    • B61L23/34
    • B61L23/34B61L15/0027B61L15/0036B61L15/0054B61L15/0072B61L25/02
    • Systems and methods that can be used in a Positive Train Control system to continuously monitor train integrity and end of train location using radio frequency (RF) ranging techniques to determine the line of sight distance between the head end and the end of the train. The systems and methods allow PTC controlled trains to maintain positive length of train awareness and to determine if a portion of the train separates unintentionally. The systems and methods can be implemented on existing RF infrastructure used on trains, without impacting existing messaging traffic, adding bandwidth or power requirements. The systems and methods work on stretched trains running on tangent or straight track, as well as on foreshortened trains running on curved track.
    • 可用于正列车控制系统的系统和方法,以使用射频(RF)测距技术连续监视火车完整性和火车位置结束,以确定火车头端和火车尾端之间的视线距离。 系统和方法允许PTC控制列车保持火车意识的长度,并确定火车的一部分是否意外分离。 系统和方法可以在列车上使用的现有RF基础设施上实现,而不影响现有的消息传递流量,增加带宽或功率需求。 系统和方法适用于在切线或直线轨道上运行的拉伸列车,以及在弯曲轨道上运行的缩短列车。