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    • 2. 发明公开
    • Pressure valve
    • Druckventil
    • EP1808624A1
    • 2007-07-18
    • EP06003991.4
    • 2006-02-27
    • Joo, Hong-Sung
    • Ko, Jae-SeokJoo, Hong-Sung
    • F16K21/02F16K15/02
    • F16K15/021F16K21/02
    • A pressure valve includes first and second casings (100,200) separably coupled to each other, first and second casings respectively having a fluid inflow passage (130) and a fluid outflow fluid passage (230) communicating with each other and a movable unit (50) inserted in the fluid inflow passage, the movable unit being movable by pressure of inflow fluid and allowing fluid to flow between the movable unit and the fluid inflow passage. A start portion of the fluid outflow passage (230) of the second casing (200) is provided with a receiving portion (220) for receiving an end portion (54) of the movable unit (50). A gap is formed between the end portion of the movable unit and the receiving portion.
    • 压力阀包括彼此可分离地联接的第一和第二壳体(100,200),分别具有彼此连通的流体流入通道(130)和流体流出流体通道(230)的第一和第二壳体以及可移动单元(50) 插入到流体流入通道中,可移动单元可通过流入流体的压力移动,并允许流体在可移动单元和流体流入通道之间流动。 第二壳体(200)的流体流出通道(230)的起始部分设置有用于接收可移动单元(50)的端部(54)的接收部分(220)。 在可移动单元的端部和接收部分之间形成间隙。
    • 6. 发明公开
    • Device for controlling a pilot pressure signal
    • Steuervorrichtungfürein Steuerdrucksignal
    • EP2330303A1
    • 2011-06-08
    • EP10193052.7
    • 2010-11-30
    • Walvoil S.p.A.
    • Bassolini, Ivan
    • F15B11/044F16K17/34F16K21/02
    • F15B11/0445F15B2211/50545F15B2211/5153F15B2211/528F15B2211/575Y10T137/7758Y10T137/87539Y10T137/87555
    • The object of the invention is a device (100, 200, 200bis, 300, 300bis) for controlling a pilot pressure signal of hydraulic valves (3), for controlling the handling of gravitational loads (M), operating between two pilot lines (108, 109, 208, 209, 308, 309) between said valve (3) and a cylinder (1) adapted to sustain the load (M). The device (100, 200, 200bis, 300, 300bis) is a two-way and two-position valve for the communication between the cylinder stem-side pilot line (5) and the valve-side line (3) and is a valve which can take an open position and a partialized position, or anyway it never takes a closed position. The device (100, 200, 200bis, 300, 300bis) can take a position so that the fluid passage between the pilot lines (108, 109, 208, 209, 308, 309) is never completely closed.
    • 本发明的目的是用于控制液压阀(3)的先导压力信号的装置(100,200,200bis,300,300bis),用于控制在两个先导管线(108)之间操作的重力负载(M)的处理 ,109,208,209,308,309)在所述阀(3)和适于维持负载(M)的气缸(1)之间。 装置(100,200,200bis,300,300bis)是用于气缸杆侧先导管路(5)和阀侧管路(3)之间的连通的双向和双向阀,是阀 这可以采取一个开放的位置和偏袒的位置,或者反正它永远不会关闭的位置。 装置(100,200,200bis,300,300bis)可以采取使得先导管线(108,109,208,209,308,309)之间的流体通道永远不会完全关闭的位置。