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    • 14. 发明申请
    • Variable Geometry Fin
    • 可变几何鳍
    • US20110132246A1
    • 2011-06-09
    • US12884970
    • 2010-09-17
    • John D. VenablesChristopher M. Pappas
    • John D. VenablesChristopher M. Pappas
    • B63B39/06
    • B63B39/06
    • A variable geometry fin for use in a ship stabilization system is provided. A stabilization element adapted to extend below the water line of a ship. The stabilization element has a foil body and a trailing edge assembly extending from inside of the foil body. The trailing edge assembly includes an extension body having two opposing surfaces, a trailing edge attached to an end of the extension body, a vortex generator having protrusions and/or recesses on the two opposing surfaces, and at least one support guide located on an outboard side of the extension body. A deploy mechanism is attached to the foil body and the trailing edge assembly. The trailing edge assembly extends laterally from the foil body producing an additional surface area.
    • 提供了一种用于船舶稳定系统的可变几何鳍。 稳定元件适于延伸到船舶的水线以下。 稳定元件具有箔体和从箔体内部延伸的后缘组件。 后缘组件包括具有两个相对表面的延伸体,附接到延伸体的端部的后缘,在两个相对的表面上具有突起和/或凹部的涡流发生器,以及位于外侧的至少一个支撑引导件 延伸体的一侧。 展开机构连接到箔体和后缘组件。 后缘组件从箔体侧向延伸,产生另外的表面积。
    • 20. 发明授权
    • Pyroelectric detector with decreased susceptibility to vibrational noise
    • 热电探测器具有降低的振动噪声敏感性
    • US4060729A
    • 1977-11-29
    • US749256
    • 1976-12-10
    • Norman E. ByerStanley E. StokowskiJohn D. Venables
    • Norman E. ByerStanley E. StokowskiJohn D. Venables
    • G01J5/34H01L37/02G01T1/16
    • H01L37/02G01J5/34H01L2224/48463
    • Pyroelectric thermal detector with decreased susceptibility to vibrational noise is formed of a wafer of pyroelectric material having a thin central region supported and surrounded by a thicker rim. On the central region deposited electrodes define active detecting regions that are mirror images of each other across a line separating them. The active regions may be oppositely polarized domains electrically connected in parallel, or a continuous domain with the active regions electrically connected in series opposition. The deposited electrodes are brought out to the rim for external connection. The rim is everywhere spaced at least one thermal diffusion length from either active region. Mechanical support for the wafer is connected to the rim, is symmetrically disposed with respect to the line separating the active detecting regions, and is in contact with the rim over at least 75 percent of its linear extent.
    • 具有降低的振动噪声敏感性的热电检测器由热电材料晶片形成,其具有由较厚边缘支撑并包围的薄中心区域。 在中央区域,沉积的电极定义主动检测区域,这些区域是分隔它们的线路彼此的镜像。 有源区可以是与之并联电连接的相反极化域,或者是连续区域,其中有源区域串联地相互电连接。 沉积的电极被带到边缘进行外部连接。 轮辋至少与任一活性区间隔开至少一个热扩散长度。 晶片的机械支撑件连接到边缘,相对于分离有源检测区域的线对称地设置,并且在其线性范围的至少75%上与边缘接触。