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    • 92. 发明授权
    • Weld-free contact system for electromagnetic contactors
    • 电磁接触器无焊接接触系统
    • US06377143B1
    • 2002-04-23
    • US09681320
    • 2001-03-16
    • Xin ZhouMichael Thomas Little
    • Xin ZhouMichael Thomas Little
    • H01H6702
    • H01H50/546H01H3/001H01H77/06H01H77/10H01H2009/305H01H2077/025
    • A system and method for preventing contact weld under various fault current conditions is disclosed. The system includes a contactor having stationary and movable contacts biased towards each other and switchable between an open and closed position. Energization of an electromagnetic coil engages the contacts creating an electric path for current flow through the contactor. Pulse width modulation is used to lower the power to the coil and maintain the contacts in the closed position. The contactor is equipped with safeguards to prevent contact welding. Under low fault currents, welding is prevented by contact material composition. Under intermediate fault currents, the contacts are blown open and remain open using magnetic components until the arc dissipates and the contacts have cooled sufficiently. Under high fault currents, the arrangement causes the contacts to blow open and separate the armature from the coil preventing re-engagement of the contacts until the coil is energized again.
    • 公开了一种用于在各种故障电流条件下防止接触焊接的系统和方法。 该系统包括接触器,该接触器具有相对于彼此偏置并且可在打开和关闭位置之间切换的固定和可移动接触件。 电磁线圈的通电接触触点,产生电流通过接触器的电路。 脉冲宽度调制用于降低线圈的功率并将触点保持在关闭位置。 接触器配有防止触点焊接的保护措施。 在低故障电流下,通过接触材料成分防止焊接。 在中间故障电流下,触点被打开并使用磁性部件保持开放,直到电弧消失,并且触点已经充分冷却。 在高故障电流下,这种布置使得触头打开并将电枢与线圈分离,从而防止触点的再次接合,直到线圈再次通电。
    • 94. 发明授权
    • System and method for sharing multiple network resources on stand-alone machine
    • 在独立机器上共享多个网络资源的系统和方法
    • US09503390B2
    • 2016-11-22
    • US14234210
    • 2011-10-18
    • Xin Zhou
    • Xin Zhou
    • G06F15/173H04L12/911H04L29/08H04L29/06
    • H04L47/78H04L67/00H04L67/06H04L69/14
    • The disclosure discloses a system and method for sharing multiple network resources on a stand-alone machine. The system includes: a task managing subsystem configured to receive a downloading task, acquire a task parameter, divide the downloading task into M downloading subtasks and allocate the M downloading subtasks respectively to respective network equipments, merge downloaded messages after the respective downloading subtasks are completed, and report the merged message; an equipment managing subsystem configured to maintain an equipment status of each network equipment and provide an equipment parameter; a protocol managing subsystem configured to encapsulate a downloading request and send the downloading request to a route managing subsystem, receive and parse a message sent by the route managing subsystem, and store the parsed message in a corresponding memory space; and the route managing subsystem configured to maintain a route table, forward the downloading request to a network side via a corresponding network equipment, and send a message returned by the network side to the protocol managing subsystem. By integrating multiple network equipments on the stand-alone machine, the disclosure achieves sharing of multiple network resources, maximizing utilization of network resources of the stand-alone machine, which meets the demand of a high-speed network application.
    • 本公开公开了一种用于在独立机器上共享多个网络资源的系统和方法。 该系统包括:任务管理子系统,被配置为接收下载任务,获取任务参数,将下载任务划分为M个下载子任务,并将M个下载子任务分别分配给各个网络设备,在相应的下载子任务完成后合并下载的消息 并报告合并信息; 配置为维护每个网络设备的设备状态并提供设备参数的设备管理子系统; 配置为封装下载请求并将所述下载请求发送到路由管理子系统,接收并解析由所述路由管理子系统发送的消息并将解析的消息存储在对应的存储器空间中的协议管理子系统; 所述路由管理子系统被配置为维护路由表,经由相应的网络设备将所述下载请求转发到网络侧,并将由所述网络侧返回的消息发送到所述协议管理子系统。 通过在独立机器上集成多个网络设备,实现共享多个网络资源,最大限度地利用独立机器的网络资源,满足高速网络应用的需求。
    • 99. 发明授权
    • Generating query suggestions
    • 生成查询建议
    • US08639679B1
    • 2014-01-28
    • US13102013
    • 2011-05-05
    • Xin Zhou
    • Xin Zhou
    • G06F7/00G06F17/30
    • G06F17/3097
    • Methods, systems, apparatus, including computer program products, for generating search query suggestions. In one aspect, a method includes receiving a partial search query entered by a user through a user interface of a client device, generating a set of predicted complete queries, wherein at least a subset of the predicted complete queries are queries associated with the user, identifying one or more of the set of complete queries as being selectable suggestions to the partial search query for display in the user interface of the client for possible selection by the user.
    • 方法,系统,设备,包括计算机程序产品,用于生成搜索查询建议。 一方面,一种方法包括:接收由用户通过客户端设备的用户界面输入的部分搜索查询,生成一组预测的完整查询,其中所述预测完成查询的至少一个子集是与用户相关联的查询, 将所述一组完整查询中的一个或多个识别为对所述部分搜索查询的可选建议,以在所述客户端的用户界面中显示以供用户选择。
    • 100. 发明授权
    • System, method, and computer-readable medium for dynamic detection and management of data skew in parallel join operations
    • 用于动态检测和管理并行连接操作中数据偏移的系统,方法和计算机可读介质
    • US08510280B2
    • 2013-08-13
    • US12494366
    • 2009-06-30
    • Yu XuOlli Pekka KostamaaXin Zhou
    • Yu XuOlli Pekka KostamaaXin Zhou
    • G06F17/00
    • G06F17/30498
    • A system, method, and computer-readable medium for dynamic detection and management of data skew in parallel join operations are provided. Rows allocated to processing modules involved in a join operation are redistributed among the processing modules by a hash redistribution of the join attributes. Receipt by a processing module of an excessive number of redistributed rows having a skewed value on the join attribute is detected by a processing module which notifies other processing modules of the skewed value. Processing modules then terminate redistribution of rows having a join attribute value matching the skewed value and either store such rows locally or duplicate the rows. The processing module that has received an excessive number of redistributed rows removes rows having a skewed value of the join attribute from a redistribution spool allocated thereto and duplicates the rows to each of the processing modules. The join operation is completed by performing a local join at each processing module and merging the results of the local join operations.
    • 提供了一种用于并行连接操作中的数据偏移的动态检测和管理的系统,方法和计算机可读介质。 通过连接属性的哈希再分配,分配给处理模块中涉及的连接操作的行在处理模块之间重新分配。 由处理模块对连接属性具有偏斜值的过多重新分配行的处理模块进行检测,该处理模块向其他处理模块通知偏斜值。 然后,处理模块终止具有与偏斜值匹配的连接属性值的行的重新分配,并且在本地存储这些行或复制行。 已经接收到过多数量的再分配行的处理模块从分配给其的再分配假脱机移除具有连接属性的偏斜值的行,并将行复制到每个处理模块。 通过在每个处理模块执行本地连接并合并本地连接操作的结果来完成连接操作。