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    • 1. 发明授权
    • Valve arrangement
    • 阀门布置
    • US08444110B2
    • 2013-05-21
    • US12785727
    • 2010-05-24
    • Verner SmidtLasse Nicolai LangmaackSiegfried ZenkerErik HaugaardCarsten ChristensenWelm Friedrichsen
    • Verner SmidtLasse Nicolai LangmaackSiegfried ZenkerErik HaugaardCarsten ChristensenWelm Friedrichsen
    • F16K31/363
    • F16K31/12F16K31/406Y10T137/7837
    • The invention concerns a valve arrangement (7) comprising a flow path (11) connecting an inlet (9) and an outlet (10), a closing means (12) arranged in said flow path (11), a resetting means and a first pressure in a first pressure chamber (14) acting in a closing direction on said closing means (12), a pressure of said outlet (10) and a second pressure in a second pressure chamber (18) corresponding to a pressure of said inlet (9) when said closing means (12) is closed acting in opening direction on said closing means (12), said first pressure chamber (14) being connectable to the outlet (10) via an auxiliary valve (13). It is intended to keep small a pressure pulse when opening the valve arrangement (7). This is achieved in that the closing means (12) having a first opening state (A) and a second opening state (B), a flow resistance of said closing means (12) in said first opening state (A) being larger than a flow resistance of said closing means in said second opening state (B).
    • 本发明涉及一种阀装置(7),其包括连接入口(9)和出口(10)的流路(11),布置在所述流路(11)中的关闭装置(12),复位装置和第一 在所述关闭装置(12)上沿关闭方向作用的第一压力室(14)中的压力,所述出口(10)的压力和第二压力室(18)中对应于所述入口 9)当所述关闭装置(12)在所述关闭装置(12)的打开方向上闭合时,所述第一压力室(14)可经由辅助阀(13)连接到出口(10)。 打开阀门装置(7)时要保持较小的压力脉冲。 这是因为具有第一开启状态(A)和第二打开状态(B)的关闭装置(12),所述关闭装置(12)在所述第一打开状态(A)中的流动阻力大于 所述关闭装置在所述第二打开状态(B)中的流动阻力。
    • 2. 发明申请
    • VALVE ARRANGEMENT
    • 阀安排
    • US20110000555A1
    • 2011-01-06
    • US12785727
    • 2010-05-24
    • Verner SmidtLasse Nicolai LangmaackSiegfried ZenkerErik HaugaardCarsten ChristensenWelm Friedrichsen
    • Verner SmidtLasse Nicolai LangmaackSiegfried ZenkerErik HaugaardCarsten ChristensenWelm Friedrichsen
    • F16K21/04
    • F16K31/12F16K31/406Y10T137/7837
    • The invention concerns a valve arrangement (7) comprising a flow path (11) connecting an inlet (9) and an outlet (10), a closing means (12) arranged in said flow path (11), a resetting means and a first pressure in a first pressure chamber (14) acting in a closing direction on said closing means (12), a pressure of said outlet (10) and a second pressure in a second pressure chamber (18) corresponding to a pressure of said inlet (9) when said closing means (12) is closed acting in opening direction on said closing means (12), said first pressure chamber (14) being connectable to the outlet (10) via an auxiliary valve (13). It is intended to keep small a pressure pulse when opening the valve arrangement (7). This is achieved in that the closing means (12) having a first opening state (A) and a second opening state (B), a flow resistance of said closing means (12) in said first opening state (A) being larger than a flow resistance of said closing means in said second opening state (B).
    • 本发明涉及一种阀装置(7),其包括连接入口(9)和出口(10)的流路(11),布置在所述流路(11)中的关闭装置(12),复位装置和第一 在所述关闭装置(12)上沿关闭方向作用的第一压力室(14)中的压力,所述出口(10)的压力和第二压力室(18)中对应于所述入口 9)当所述关闭装置(12)在所述关闭装置(12)的打开方向上闭合时,所述第一压力室(14)可经由辅助阀(13)连接到出口(10)。 打开阀门装置(7)时要保持较小的压力脉冲。 这是因为具有第一开启状态(A)和第二打开状态(B)的关闭装置(12),所述关闭装置(12)在所述第一打开状态(A)中的流动阻力大于 所述关闭装置在所述第二打开状态(B)中的流动阻力。
    • 3. 发明授权
    • Hydraulic valve arrangement with locking and floating function
    • 具有锁定和浮动功能的液压阀装置
    • US06220289B1
    • 2001-04-24
    • US09550697
    • 2000-04-17
    • Siegfried ZenkerCarsten ChristensenThorkild Christensen
    • Siegfried ZenkerCarsten ChristensenThorkild Christensen
    • F15B13042
    • F15B13/015F15B13/0402F15B13/042F15B2013/0413Y10T137/87241
    • A hydraulic valve arrangement with locking and floating function, with a control valve (9), which, for two operating positions (11, 12) connects one motor connection (A) with a pump connection and a second motor connection (B) with a tank connection and vice versa, in a floating position (13) connects both motor connections (A, B) with the tank connection and in a locking position (10) separates both motor connections (A, B) from the pump and tank connections. Further, there are two closing valves (16, 17), each being connected between the control valve (9) and a motor connection (A, B) and each having a piston loaded by a spring and limiting a spring chamber, the spring chambers being pressure releasable. Characteristic of this valve arrangement is that lifting valves (18, 19) are provided for the pressure release, which valves are operated by a control pressure depending on the position of the control valve (9). This improves the operating reliability.
    • 具有锁定和浮动功能的液压阀装置,具有控制阀(9),对于两个操作位置(11,12),将一个电动机连接(A)与泵连接和第二电动机连接(B)连接,其中 油箱连接,反之亦然,在浮动位置(13)将两个电动机连接(A,B)与油箱连接相连接,并且在锁定位置(10)将两个电动机连接(A,B)与泵和油箱连接分开。 此外,还有两个关闭阀(16,17),每个都连接在控制阀(9)和马达连接件(A,B)之间,每个具有由弹簧加载并限制弹簧室的活塞,弹簧室 可压力释放。 该阀装置的特征是提供用于压力释放的提升阀(18,19),该阀根据控制阀(9)的位置通过控制压力操作。 这提高了操作的可靠性。
    • 5. 发明授权
    • Hydraulic valve arrangement with locking function
    • 具有锁定功能的液压阀装置
    • US06427721B1
    • 2002-08-06
    • US09609843
    • 2000-07-05
    • Siegfried ZenkerCarsten ChristensenThorkild Christensen
    • Siegfried ZenkerCarsten ChristensenThorkild Christensen
    • F15B1304
    • F15B11/003F15B13/01F15B2013/0413F15B2211/20553F15B2211/3051F15B2211/30525F15B2211/3111F15B2211/3127F15B2211/3144F15B2211/31576F15B2211/327F15B2211/329F15B2211/35F15B2211/6054F15B2211/6355F15B2211/72Y10T137/87241
    • The invention concerns a hydraulic valve arrangement with locking function. It has a control valve (9), which in two operating positions (11, 12) connects one motor connection (A) with a pump connection and a second motor connection (B) with a tank connection and vice versa, and in a locking position (10) separates both motor connections (A, B) from pump and tank connection. Further, there are two lock valves (16, 17), each connected between the control valve (9) and one of the motor connections (A, B). This valve arrangement is characterised in that for each lock valve (16, 17) a pressure release valve (18, 19) is provided, whose operating member (30, 30a) is loadable in the closing direction by a first chamber pressure and an additional force acting in a first chamber (31, 31a) and in the opening direction by a control pressure acting in a second chamber (32, 32a), and that the control pressure in dependence of the position of the control valve (9) has a lower value, which is equal to the first chamber pressure, and an upper value, which exceeds the first chamber value by such a value that the oppositely acting closing force is overcome. This gives a very high degree of operation safety.
    • 本发明涉及具有锁定功能的液压阀装置。 它具有控制阀(9),其在两个操作位置(11,12)中将一个电动机连接(A)与泵连接和具有罐连接的第二电动机连接(B)连接,反之亦然,并且在锁定 位置(10)将电机连接(A,B)与泵和油箱连接分开。 此外,存在两个锁定阀(16,17),每个连接在控制阀(9)和马达连接件(A,B)中的一个之间。 该阀装置的特征在于,对于每个锁定阀(16,17),设置有释压阀(18,19),其操作构件(30,30a)可以通过第一室压力在关闭方向上加载和附加 通过作用在第二室(32,32a)中的控制压力作用在第一室(31,3aa)中并且在打开方向上的力,并且根据控制阀(9)的位置的控制压力具有 较低的值,其等于第一室压力,以及超过第一室值的上限值,以使克服相反作用的闭合力的值。 这提供了非常高的操作安全性。
    • 6. 发明授权
    • Dual load-sensing passage adjustable relief valves for hydraulic motor
control
    • 双负载传感通道可调节安全阀用于液压马达控制
    • US5000001A
    • 1991-03-19
    • US294657
    • 1989-01-09
    • Thorkild ChristensenHarry S. NissenCarsten ChristensenSiegfried ZenkerSvend E. Thomsen
    • Thorkild ChristensenHarry S. NissenCarsten ChristensenSiegfried ZenkerSvend E. Thomsen
    • F15B11/00F15B11/05F15B13/04
    • F15B13/0417Y10T137/87169
    • There is provided control apparatus for controlling fluid flow between a bidirectional motor, a pump and a container, and includes a control valve that has a slide operative between neutral and first and second operative positions. A compensating valve is provided in the supply conduit that holds the upstream pressure drop at the control valve substantially constant and is controlled by load pressure sensing circuitry. The load pressure circuitry includes two branches that are connected through a change over valve to the compensating valve. There is provided an over pressure valve and a throttle point in each branch, each branch being connected to a load pressure sensing orifice of the control valve housing and fluidly connected through the slide to one of the housing motor orifices, the one depending upon whether the slide is in its first or in its second position. The circuitry permits the actuating pressure for operating the motor in one direction to be different from that for operating it in the other direction.
    • 提供了用于控制双向电动机,泵和容器之间的流体流动的控制装置,并且包括控制阀,该控制阀具有在中性位置和第一和第二操作位置之间运行的滑动件。 在供应管道中设置补偿阀,其将控制阀上的上游压降保持恒定,并由负载压力感测电路控制。 负载压力电路包括通过换向阀连接到补偿阀的两个分支。 在每个分支中设置有过压阀和节流点,每个分支连接到控制阀壳体的负载压力感测孔,并且通过滑块流体地连接到壳体电动机孔中的一个,取决于是否 幻灯片处于第一位或第二位。 电路允许在一个方向上操作电动机的致动压力与在另一个方向上操作电动机的操作压力不同。
    • 8. 发明授权
    • Hydraulic dual circuit steering system
    • 液压双回路转向系统
    • US06712176B2
    • 2004-03-30
    • US09749840
    • 2000-12-27
    • Siegfried ZenkerCarsten Christensen
    • Siegfried ZenkerCarsten Christensen
    • B62D500
    • B62D5/30
    • The invention concerns a hydraulic dual circuit steering system with first circuit having a first control unit and a first steering motor connected with the control unit via working connections, a second circuit having a second control unit and a second steering motor connected with the control unit via working connections, a changeover valve, which in a first position activates the first circuit and deactivates the second circuit and in a second position activates the second circuit and deactivates the first circuit. To improve the steering behaviour, in the first position of the changeover valve the working connections of the second circuit and in the second position of the changeover valve the working connections of the first circuit are connected with a pressure source.
    • 本发明涉及一种具有第一回路的液压双回路转向系统,该第一回路具有第一控制单元和通过工作连接与控制单元连接的第一转向马达,具有第二控制单元的第二回路和与控制单元连接的第二转向马达 工作连接,切换阀,其在第一位置中激活第一电路并使第二电路停用,并且在第二位置激活第二电路并使第一电路停用。 为了改善转向行为,在转换阀的第一位置,第二回路的工作连接和转换阀的第二位置,第一回路的工作连接与压力源连接。