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    • 5. 发明公开
    • Hydropneumatic accumulator with shut-off valve
    • Hydropneumatischer Akku mit Absperrventil
    • EP1933042A1
    • 2008-06-18
    • EP06425837.9
    • 2006-12-14
    • Sanfratello, Giuseppe
    • Sanfratello, Giuseppe
    • F15B1/16F15B1/22
    • F15B1/165F15B1/22F15B2201/205F15B2201/3152F15B2201/411
    • A hydropneumatic accumulator comprises a container (1), provided with a connecting pipe (2) suitable for mounting in fluid communication on a line pipe of a hydraulic circuit, a bladder (3) containing a gas and suitable to be compressed or expanded to store or release the fluid of said hydraulic circuit, and a shut-off valve (4) mounted at the end of the connecting pipe (2) fixed to the container (1), the valve (4) being axially movable with respect to the connecting pipe (2) and suitable to abut upon a matching seat (8) so as to close the end of the connecting pipe (2) in conditions of minimum fluid pressure. The shut-off valve (4) comprises a plurality of stems (5) arranged along the periphery of its head (6) and axially slidable in the connecting pipe (2) in guides (7) formed outside the cross-section of the fluid passage. The lift of the shut-off valve (4) defines an area of the fluid passage between its head (6) and its seat (8) that is larger than the cross-section of the fluid passage defined by the connecting pipe (2) at the entrance into the container (1). The valve according to the present invention is designed not to cause any restriction to the flow rate of the fluid to and from the line pipe, and to completely eliminate the drawback of the concentrated pressure losses, which is typical of the valves of prior art accumulators.
    • 液压气动蓄能器包括容器(1),该容器(1)设置有适于安装在液压回路的管线管道上的流体连通的连接管(2),包含气体并适于被压缩或膨胀以储存的气囊 或释放所述液压回路的流体,以及安装在固定到容器(1)上的连接管(2)的端部处的截止阀(4),所述阀(4)可相对于所述连接管 管道(2)并且适于邻接在匹配的座(8)上,以在最小流体压力的条件下关闭连接管(2)的端部。 截止阀(4)包括沿着其头部(6)的周边布置的多个杆(5),并且在形成在流体的横截面外侧的引导件(7)中在连接管(2)中可轴向滑动 通道。 截止阀(4)的升程限定了其头部(6)和其座(8)之间的流体通道的面积大于由连接管(2)限定的流体通道的横截面, 在容器(1)的入口处。 根据本发明的阀被设计成不对来自管线管的流体的流量造成任何限制,并且完全消除了集中的压力损失的缺点,这是现有技术的蓄能器的阀门的典型 。
    • 8. 发明授权
    • HYDROSPEICHER, INSBESONDERE BLASENSPEICHER
    • HYDROSPEICHER,INSBESONDERE BLASENSPEICHER
    • EP1327081B1
    • 2005-05-25
    • EP01987851.1
    • 2001-10-12
    • Hydac Technology GmbH
    • WEBER, Norbert
    • F15B1/22F15B1/16
    • F15B1/22F15B1/165F15B2201/205F15B2201/3152F15B2201/411F15B2201/43Y10T137/7792
    • The invention relates to a hydroaccumulator, in particular a bladder accumulator. Said accumulator comprises a pressurised container (1), a separation element (5) which is located in said container and separates a gas chamber (7) in the pressurised container (1), lying adjacent to an inlet on the gas side from a fluid chamber (9), lying adjacent to an inlet on the fluid side (3), said inlet having a fluid connecting sleeve (11) and a valve arrangement located on the connecting sleeve (11), said arrangement having at least one valve body (17) that has a transversal bore (33). The valve body is usually pretensioned in an open position which allows the passage of fluid and can be displaced into a closed position by a displacement of the separation element (5), the interior surface (15) of the connecting sleeve (11), which lies directly against the valve body (17), guiding the displacement of said body between the open and closed positions. As the side of the valve body (17') that faces the separation element (5) is configured as a plate running on one plane, as the respective transversal bore (33), which is delimited by the plate (17') in the open position, opens at least partially into the fluid chamber (9) and as the diameter of the valve body (17) is greater than its height, measured in the direction of displacement of said valve body (17), the valve arrangement has a plate-valve construction of small proportions and can be cost-effectively produced.
    • 本发明涉及一种水蓄积器,特别是一种囊存储器。 所述蓄能器包括加压容器(1),位于所述容器中并且将加压容器(1)中的气体腔室(7)分隔开的分隔元件(5),所述气体腔室邻近气体侧的入口与流体 所述入口具有流体连接套筒(11)和位于所述连接套筒(11)上的阀装置,所述装置具有至少一个阀体(9),所述阀体(9) 17)具有横向孔(33)。 阀体通常被预张紧在允许流体通过的打开位置,并且可以通过分离元件(5),连接套筒(11)的内表面(15)的位移而移动到关闭位置,该连接套筒 直接抵靠阀体(17),引导所述主体在打开和关闭位置之间的移位。 当面向分离元件(5)的阀体(17')的一侧构造为在一个平面上延伸的板时,由在板(17')中限定的相应的横向孔(33) 打开位置,至少部分地打开到流体腔室(9)中并且当阀体(17)的直径大于其在所述阀体(17)的移动方向上测量的高度时,阀装置具有 小比例的平板阀结构,并且可以经济有效地生产。
    • 10. 发明公开
    • HYDRODÄMPFER
    • EP1495231A1
    • 2005-01-12
    • EP03714916.8
    • 2003-04-03
    • HYDAC Technology GmbH
    • BALTES, HerbertRUPP, Gernot
    • F15B1/22F04B11/00
    • F15B1/22F04B11/0008
    • Disclosed is a hydro damper for absorbing pressure oscillations and/or acoustic vibrations in systems which are operated by means of pressurized fluids. The inventive hydro damper is provided with a housing (1) having a leading dimension which defines a longitudinal axis (3) of the housing, a connection block (5) fluidically connecting the damper housing (1) to the corresponding system, and a linking device (7, 47, 49) which is assigned to the connection block (5) so as to mount the connection block (5), and consequently the damper housing (1), on the system in selected rotational positions relative to an axis of connection (41) that runs perpendicular to the longitudinal axis (3) of the housing.
    • 公开了一种用于吸收借助于加压流体操作的系统中的压力振荡和/或声音振动的水力阻尼器。 本发明的水力阻尼器设置有具有限定壳体的纵向轴线(3)的前缘尺寸的壳体(1),将阻尼器壳体(1)流体连接到对应的系统的连接块(5) 装置(7,47,49),该装置分配给连接块(5),以便将系统中的连接块(5)以及相应的阻尼器壳体(1)安装在相对于轴 连接件(41)垂直于壳体的纵向轴线(3)延伸。