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    • 41. 发明申请
    • Truth on client persistent caching
    • 客户端持久缓存的真相
    • US20050102370A1
    • 2005-05-12
    • US10692221
    • 2003-10-23
    • Yun LinDavid SteereNavjot VirkShishir PardikarAhmed Mohamed
    • Yun LinDavid SteereNavjot VirkShishir PardikarAhmed Mohamed
    • G06F15/16G06F17/30H04L29/08
    • G06F12/0866G06F12/126G06F17/30902G06F2212/463H04L67/2852H04L67/289H04L69/329
    • The present invention provides a novel client side caching (CSC) infrastructure that supports transition states at the directory level to facilitate a seamless operation across connectivity states between client and remote server. More specifically, persistent caching is performed to safeguard the user (e.g., client) and/or the client applications across connectivity interruptions and/or bandwidth changes. This is accomplished in part by caching to a client data store the desirable file(s) together with the appropriate file access parameters. Moreover, the client maintains access to cached files during periods of disconnect. Furthermore, portions of a path can be offline while other portions upstream can remain online. CSC operates on the logical path which cooperates with DFS which operates on the physical path to keep track of files cached, accessed and changes in the directories. In addition, truth on the client is facilitated whether or not a conflict of file copies exists.
    • 本发明提供了一种新颖的客户端缓存(CSC)基础设施,其支持目录级别的转换状态,以促进跨客户端和远程服务器之间的连接状态的无缝操作。 更具体地,执行持续高速缓存以跨连接中断和/或带宽改变来保护用户(例如,客户端)和/或客户端应用。 这部分是通过将客户端数据存储器连同适当的文件访问参数一起缓存所需的文件来实现的。 此外,客户端在断开连接期间保持对缓存文件的访问。 此外,路径的一部分可以离线,而上游的其他部分可以保持联机。 CSC在与物理路径上运行的DFS协作的逻辑路径上运行,以跟踪缓存,访问和更改目录中的文件。 此外,无论文件副本是否存在冲突,客户端上的真相都是有利的。
    • 46. 发明授权
    • Centrifugal compressor having an asymmetric self-recirculating casing treatment
    • 具有不对称自循环套管处理的离心式压缩机
    • US09234526B2
    • 2016-01-12
    • US13578137
    • 2011-02-03
    • Xinqian ZhengYun LinYangjun ZhangMingyang YangTakahiro BambaHideaki Tamaki
    • Xinqian ZhengYun LinYangjun ZhangMingyang YangTakahiro BambaHideaki Tamaki
    • F04D29/42F04D29/68
    • F04D29/4213F04D17/10F04D29/685
    • A centrifugal compressor includes an asymmetric self-recirculating casing treatment that includes, on an inner face of a casing 10, a suction ring groove 1, a ring guide channel 2 and a back-flow ring groove 3 to form a self-recirculating channel. An axial-direction position Sr from an upstream end face of the suction ring groove to an impeller full blade leading edge 4 or a width br of the suction ring groove 1 is represented as A(α·D−β·D)2+A0 and is distributed in a parabolic shape in a circumferential direction. An initial phase angle θ0 is in a range of 0≦θ0≦2π. A circumferential angle α of the casing has a definition range of θ0≦α≦θ0+2π. In the expression, A denotes a parameter of the parabola in the axial-direction position Sr or the width br, and A0 denotes an extreme of the axial-direction position Sr or the width br when corresponding circumferential angle β and the α are equal at an extreme point of distribution of the parabola.
    • 离心压缩机包括不对称的自再循环壳体处理,其在壳体10的内表面上包括吸入环槽1,环形引导通道2和回流环槽3,以形成自再循环通道。 从吸入环槽的上游端面到吸入环槽1的叶轮全叶片前缘4或宽度br的轴向位置Sr表示为A(α·D-&bgr·D)2+ A0并且沿圆周方向以抛物线形状分布。 初始相位角和角度0在0≦̸&Thetas; 0≦̸ 2&pgr的范围内。 外壳的圆周角度α具有&...的定义范围; 0≦̸α≦̸&thetas; 0 + 2&pgr。 在该表达式中,A表示轴向位置Sr或宽度br的抛物线的参数,A0表示当对应的圆周角度&bgr时的轴向位置Sr或宽度br的极端值。 并且α在抛物线的极端分布点处相等。