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    • 1. 发明授权
    • Vortex flow meter apparatus
    • 涡街流量计装置
    • US3972232A
    • 1976-08-03
    • US463522
    • 1974-04-24
    • Richard W. MillerGerald L. FeltonKenneth W. Petros
    • Richard W. MillerGerald L. FeltonKenneth W. Petros
    • G01F1/32
    • G01F1/3218
    • A vortex-shedding flow-sensing instrument comprising a flat-faced vortex-generating plate integral with a downstream sensor-bar having flat sides set back laterally with respect to the rows of vortices shed from the edges of the vortex-generating plate. The side surfaces of the plate are tapered inwardly at a moderate angle, and extend down a short distance to rear surfaces at right angles with respect to the direction of fluid flow. The downstream end of the sensor bar comprises a tail piece the side surfaces of which are tapered inwardly at a moderate angle, and extend downstream a short distance to a rear surface perpendicular to the direction of fluid flow.The sensor bar carries on oil-filled capsule having as side walls a pair of flexible diaphragms effectively in the plane of the sensor-bar side surfaces. These diaphragms transmit alternating vortex pressure pulses interiorly of the capsule to a sensing element in the form of a ceramic disc having piezo-electric properties. The resulting alternating voltage signal developed by this element is coupled through lead wires to an amplifier arranged to produce a flow signal suitable for transmission over relatively long distances.
    • 涡流脱流流量检测仪器包括平面涡流产生板,该平面涡流产生板与下游传感器杆成一体,下游传感器杆具有相对于从涡流产生板的边缘排出的涡流横向设置的侧面。 板的侧表面以适中的角度向内倾斜,并且相对于流体流动的方向以直角向后延伸到短的距离。 传感器杆的下游端包括尾部件,其侧表面以适中的角度向内倾斜,并且在与流体流动方向垂直的后表面的短距离下游延伸。
    • 8. 发明授权
    • Gear reducer
    • 减速机
    • US4549449A
    • 1985-10-29
    • US540460
    • 1983-10-11
    • Richard W. MillerJay NagaoSteve Dexter
    • Richard W. MillerJay NagaoSteve Dexter
    • F16H3/54F16H63/30F16H3/78
    • F16H3/54F16H63/3023Y10T74/19433
    • A plural speed planetary gear box has an input member and output member coupled together directly by a shiftable coupling sleeve or coupled together indirectly by a planetary gear set. The shift from direct to indirect coupling involves shifting the coupling sleeve out of direct coupling position between the input and output members to a different position in which the input member is coupled to one portion of the planetary gear set and the output member is coupled to another portion of the planetary gear set. A hydraulically actuated piston drives the coupling sleeve through a resiliently loaded lost motion isolator which applies a first force to the coupling sleeve for disengagement, and also applies a second force to the coupling sleeve to produce meshing engagement with the input member or with the planetary gear set element.
    • 多速行星齿轮箱具有通过可移动联接套筒直接联接在一起的输入构件和输出构件,或者由行星齿轮组间接地联接在一起。 从直接耦合到间接耦合的转变包括将联接套筒从输入和输出构件之间的直接联接位置移动到不同的位置,在该位置输入构件联接到行星齿轮组的一部分,并且输出构件联接到另一个位置 行星齿轮组的一部分。 液压致动的活塞通过弹性加载的空运隔离器驱动联接套筒,该隔离器将第一力施加到联接套筒以脱开,并且还向联接套筒施加第二力以产生与输入构件或行星齿轮啮合 设置元素。