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    • 1. 发明申请
    • Inducing swirl in a gas flow
    • 引起气流中的漩涡
    • US20070119966A1
    • 2007-05-31
    • US11443099
    • 2006-05-31
    • Rodney DryMark DavisHector Medina
    • Rodney DryMark DavisHector Medina
    • F02M47/02B05B1/26B05B1/34F02M63/00
    • C21C5/4606C21C5/48F27B3/22F27D3/16
    • The present invention relates to an apparatus for injecting gas into a vessel. The apparatus may include a gas flow duct and a central body within a forward end region of the duct. The central body and the gas flow duct form an annular nozzle for the discharge of gas from the duct. A plurality of flow directing vanes are disposed about the central body to impart swirl to a gas flow through the nozzle. The flow directing vanes have substantially straight leading end portions radiating outwardly from the central body and extending along the duct. The vanes also have substantially helical trailing end portions extending helically about the central body toward the front end of the duct and transition portions joining the leading end portions to the trailing end portions. The transition portions are shaped so as to merge smoothly with both the leading end portions and the trailing end portions and to smoothly and progressively change shape between them.
    • 本发明涉及一种将气体注入容器中的装置。 该装置可以包括在管道的前端区域内的气体流动管道和中心体。 中心体和气体流动管形成用于从管道排出气体的环形喷嘴。 多个流动引导叶片围绕中心体布置以对通过喷嘴的气流赋予漩涡。 导流叶片具有从中心体向外辐射并且沿管道延伸的基本上直的前端部分。 叶片还具有基本上螺旋的后端部分,其围绕中心体螺旋地朝向管道的前端延伸,并且将前端部分连接到后端部分的过渡部分。 过渡部分成形为与前端部和后端部两者平滑地并入,并且在它们之间平滑且逐渐地改变形状。
    • 6. 发明授权
    • System and method for monitoring security at a premises using line card with secondary communications channel
    • 使用具有辅助通信通道的线路卡来监控场所安全的系统和方法
    • US08531286B2
    • 2013-09-10
    • US12204019
    • 2008-09-04
    • Gary FriarMark Davis
    • Gary FriarMark Davis
    • G08B29/00G08B1/00H04Q1/30
    • G08B25/08
    • A security system includes at least one audio sensor and an alarm panel that transmits alarm report data through a communications network to at least one alarm receiver located at a central station remote from the premises that receives the alarm report data transmitted from the alarm panel through the communications network. A line card receives the alarm report data. An alarm receiver processor receives and processes regulated alarm report data in accordance with Underwriter Laboratories 1610 requirements. The line card is operable for receiving non-regulated alarm report data that is not regulated in accordance with Underwriter Laboratories 1610 requirements. The line card includes a secondary communications channel interfaced to a central station automation system and routes the regulated alarm report data to the central station automation system over the secondary communications channel and bypasses the alarm receiver processor.
    • 安全系统包括至少一个音频传感器和报警面板,其通过通信网络将报警报告数据传送到位于远离场所的中心站处的至少一个报警接收机,其接收从报警面板传送的报警报告数据 通讯网络 线卡接收报警报告数据。 报警接收器处理器根据Underwriter Laboratories 1610要求接收和处理受监控的报警报告数据。 线卡可操作用于接收不符合Underwriter Laboratories 1610要求的非限制报警报告数据。 线路卡包括与中央站自动化系统相连接的辅助通信信道,并且通过辅助通信信道将调节的报警报告数据路由到中央站自动化系统,并绕过报警接收机处理器。