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    • 1. 发明申请
    • SUBMERSIBLE PUMP FOR OPERATION IN SANDY ENVIRONMENTS, DIFFUSER ASSEMBLY, AND RELATED METHODS
    • 用于在沙漠环境中操作的不合适的泵,扩散器组件和相关方法
    • WO2011097341A1
    • 2011-08-11
    • PCT/US2011/023543
    • 2011-02-03
    • BAKER HUGHES INCORPORATEDSTAIR, Roger, D.BROWN, Wilson, L.
    • STAIR, Roger, D.BROWN, Wilson, L.
    • E21B43/12E21B34/16
    • F04D7/045F04D13/10F04D29/445F04D29/708
    • Submersible pumps (33), diffuser assemblies (51), and related methods for pumping a fluid (39) having a substantial sand content, are provided. A diffuser assembly (51) for a submersible pump (33) can include anti-swirl ribs (101) forming sand dams (101) positioned on an upper surface (67) of the diffuser bowl floor (65) at an acute angle (103) to guide trapped sand (113) between the bottom shroud (63) of an impeller (53) and the diffuser bowl (61) to the inner surface (100) of the diffuser bowl outer wall (71) and back into the production fluid stream (95). The diffuser assembly (51) can also include sand jump ramps (111) each separately positioned adjacent the outer peripheral surface of one of the sand dams (101) and positioned adjacent a separate portion of the inner surface (100) of the diffuser bowl outer wall (71) to further enhance deflection of sand (113) back into the production fluid stream (95).
    • 提供了潜水泵(33),扩散器组件(51)以及用于泵送具有大量砂含量的流体(39)的相关方法。 用于潜水泵(33)的扩散器组件(51)可以包括防旋涡肋(101),其形成以锐角(103)位于扩散器底板(65)的上表面(67)上的砂坝(101) )将引导叶轮(53)的底部护罩(63)和扩散器碗(61)之间的被捕获的砂(113)引导到扩散器碗外壁(71)的内表面(100)并返回到生产流体 流(95)。 扩散器组件(51)还可以包括分别位于一个沙坝(101)的外周表面附近并且邻近扩散器碗外部的内表面(100)的分开的部分定位的砂跳坡道(111) 壁(71),以进一步增强砂(113)向生产流体流(95)的偏转。
    • 2. 发明专利
    • Improvements in or relating to change speed gearing
    • GB478585A
    • 1938-01-20
    • GB2008136
    • 1936-07-20
    • WILLIAM BROWN WILSON
    • F16H3/24F16H63/20
    • 478,585. Change-speed gearing. WILSON, W. B. July 20, 1936, No. 20081. 80 (ii)] Five forward and one reverse speeds are obtained by sliding-wheel gearing including a countershaft 7, which does not rotate in neutral or direct - drive high - speed, and is selectively driven at two-speeds by sliding wheels 19 and 26, splined on the driving shaft 1, for engagement with fast wheels 32, 25 on the countershaft. A sliding pair 20, 21 splined on the countershaft 7, selectively engages wheels 30, 33, fast on the driven shaft 4, the wheel 33 being clutched to the driving shaft 1, for direct-drive, by clutch-teeth 10 on the sliding wheel 26. Reverse is by a slidable idler 22, Fig. 1, connecting the wheels 20, 33, the idler being wide enough to remain permanently in mesh with the wheel 18. The four selector-forks R, P. LR, HR are operated by two arms X, Y, rigidly depending from a shift-lever N, which can slide and turn on a shaft 15, and is guided by a gate shown in Fig. 5. The positions J, M correspond respectively to the engagement of the low- and highspeed countershaft-driving wheels 19, 26, and the selector-fork P has two axially spaced lugs 18 for engagement with the shifter arm Y or X respectively in such positions. Releasable latches u and v may be provided for obstructing reverse and high-speeds.
    • 3. 发明专利
    • A new or improved tap or cock
    • GB403724A
    • 1934-01-01
    • GB1857832
    • 1932-06-30
    • NIGEL BROWN WILSONKENT LTD G
    • F16K21/10
    • 403,724. Taps or cocks. WILSON, N. B., South Essex Waterworks, Langham, near Colchester, and KENT, Ltd., G., 199, High Holborn, London. June 30, 1932, No. 18578. [Class 135.] Valves closing after predetermined interval or flow.-A tap or cock giving only a predetermined maximum discharge for each operation comprises a valve member 8 connected to a plunger 10 open to a smaller operating plunger 14 so that valve opening movement of the said plunger 14 compresses the fluid trapped between the plungers and opens the valve ; thereafter fluid leaks past the plunger 10, independently of the position of the operating plunger 14, and allows the valve 8 to close. When the operating plunger 14 is released the spring 161 will return the plunger, the valve 8 will close by fluid pressure, and a non-return valve 19 will open and allow water to pass freely into the space between the plungers in readiness for the next operation. Air may be used as the fluid for the transmission of movement from the operating plunger.