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    • 21. 发明公开
    • Hydraulic torque impulse generator
    • Hydraulischer Drehmoment-Impuls-Erzeuger
    • EP0885693A2
    • 1998-12-23
    • EP98850089.8
    • 1998-05-28
    • ATLAS COPCO TOOLS AB
    • Schoeps, Christian Knut
    • B25B21/02
    • B25B21/02Y10S277/926
    • A hydraulic torque impulse generator, (16) of the kind having a motor rotated drive member (18;50) formed with a fluid chamber (19;53), an impulse receiving output member (20;51) coaxial with the drive member (18;50) and extending into the fluid chamber (19;53), a hydraulic peak generating mechanism (24-27;54-59) in the fluid chamber (19;53) for producing torque impulses at relative rotation between the drive member (18;50) and the output member (20;51), and a variable volume accumulator chamber (32;64) located in the drive member (18;50) and connected to the fluid chamber (19;53) for compensating for occurring volume changes in the hydraulic fluid, wherein the accumulator chamber (32:64) is divided into a first compartment (40;71) and a second compartment (42;72) by an elastically deflectable membrane (39;73), a passage (43;65) connects the first compartment (40;71) to the fluid chamber (19;53), and the second compartment (42;72) comprises at least partly a yeildable means for biassing the membrane (39;73) toward the first compartment (40;71), and a closure unit (36;66,68) is arranged to form a clamping means for retaining the membrane (39;73) and for forming partly the accumulator chamber (32; 64).
    • 一种具有形成有流体室(19; 53)的马达旋转驱动构件(18; 50)的类型的液压扭矩脉冲发生器(16),与驱动构件同轴的脉冲接收输出构件(20; 51) 18; 50)并且延伸到流体室(19; 53)中;流体室(19; 53)中的液压峰值产生机构(24-27; 54-59),用于在驱动构件 (18; 50)和所述输出构件(20; 51)和位于所述驱动构件(18; 50)中并连接到所述流体室(19; 53)上的可变容积蓄积室(32; 64) 液压流体中发生的体积变化,其中蓄积室(32:64)通过可弹性偏转的膜(39; 73)分成第一隔室(40; 71)和第二隔室(42; 72),通道 (43; 65)将所述第一隔室(40; 71)连接到所述流体室(19; 53),并且所述第二隔室(42; 72)至少部分地包括用于生物相互作用 g朝向第一隔室(40; 71)的隔膜(39; 73),并且封闭单元(36; 66,68)被布置成形成用于保持隔膜(39; 73)并用于部分地形成 蓄能室(32; 64)。
    • 23. 发明公开
    • Pressure equalizing rotary joint
    • Druckausgleichende drehbare Verbindung。
    • EP0305989A1
    • 1989-03-08
    • EP88114186.5
    • 1988-08-31
    • INTERNATIONAL HARD SUITS INC.
    • Nuytten, Rene T.
    • F16L27/08
    • B63C11/10F16L27/0804Y10S277/91Y10S277/926Y10S285/90
    • This invention pertains to a novel rotary joint which seeks to equalize exterior-interior pressure. This rotary joint is useful in permitting free rotary motion between two components connected by the joint in conditions where unequal pressures exist at the interior and exterior of the joint. It includes a rotary joint comprising: (a) first annular member (2) means adapted to be connected to the end of a first tube-like object; (b) second annular member (14) means adapted to be connected to the end of a second tube-like object; (c) intermediate member means (12) adapted to be positioned between the first annular member means (2) and the second annular member means (14) and being capable of moving independently of the first and second annular member means (2, 14), said intermediate member means (12) defining a first chamber (4) between said intermediate member (12) and the first annular member (2) and a second chamber (6) between said intermediate member (12) and said second annular member (14); (d) first sealing means (34, 36) associated with the first annular member means (2) and the intermediate member means (12) and adapted to seal the first chamber (4) from the interior and exterior of the joint; (e) second sealing means (40, 42) associated with the second annular member means (14) and the intermediate member means (12) and adapted to seal the second chamber (6) from the interior and exterior of the joint; and, (f) resilient valve means (8) adapted to enable pressure in the first chamber (4) and pressure in the second chamber (6) to seek to equalize when the respective pressures are unequal.
    • 本发明涉及一种寻求平衡外部内部压力的新型旋转接头。 该旋转接头可用于在接头内部和外部存在不相等压力的条件下允许由接头连接的两个部件之间的自由旋转运动。 它包括旋转接头,包括:(a)第一环形构件(2)适于连接到第一管状物体的端部的装置; (b)第二环形构件(14)适于连接到第二管状物体的端部的装置; (c)适于定位在第一环形构件装置(2)和第二环形构件装置(14)之间并且能够独立于第一和第二环形构件装置(2,14)运动的中间构件装置(12) ,所述中间构件装置(12)在所述中间构件(12)和所述第一环形构件(2)之间限定第一室(4)和在所述中间构件(12)和所述第二环形构件(12)之间的第二室(6) 14); (d)与所述第一环形构件装置(2)和所述中间构件装置(12)相关联并适于将所述第一室(4)从所述接头的内部和外部密封的第一密封装置(34,36) (e)与所述第二环形构件装置(14)和所述中间构件装置(12)相关联并适于将所述第二室(6)从所述接头的内部和外部密封的第二密封装置(40,42) 和(f)适于在第一腔室(4)中的压力和第二腔室(6)中的压力的​​弹性阀装置(8),以在相应的压力不相等时寻求均衡。
    • 25. 发明公开
    • Hydraulic support
    • HydraulischeStütze。
    • EP0239241A1
    • 1987-09-30
    • EP87301555.6
    • 1987-02-24
    • DOWTY DEFENCE AND AIR SYSTEMS LIMITED
    • Scales, Christopher
    • F16L57/00
    • F16J12/00F16L57/00Y10S277/926
    • A support assembly (1,11,31) for mounting within a vessel (3) which may be subjected to an inwardly acting pressure differential,comprises a support member (2,12) which is in contact with an internal surface, of the vessel so as to define a recess (4,14). In use the recess is filled with an incompressible fluid, which may be an hydraulic oil.
      The support member (2,12) may be further provided with an intensifier (19,32) which produces a positive pressure differential between the fluid in the recess (4,14) and the pressure acting on the vessel 3.
      The effect of this is to induce a tensile loading in the vessel wall in the vicinty of the recess (4, 14) and thereby provide support for the vessel.
    • 用于安装在容器(3)内的支撑组件(1,11,31)可以受到向内作用的压力差,包括与容器内表面接触的支撑构件(2,12) 以限定凹部(4,14)。 在使用中,凹部填充有不可压缩流体,其可以是液压油。 支撑构件(2,12)还可以设置有增强器(19,32),其在凹部(4,14)中的流体和作用在容器3上的压力之间产生正压差。这样的效果 在凹槽(4,14)附近在容器壁中引起拉伸载荷,从而为容器提供支撑。