Hydraulic valve arrangement
    1.
    发明授权
    Hydraulic valve arrangement 失效
    液压阀装置

    公开(公告)号:US06499505B2

    公开(公告)日:2002-12-31

    申请号:US09952364

    申请日:2001-09-11

    IPC分类号: F15B1304

    摘要: A hydraulic valve arrangement includes a control valve (3), which, in a first operating position (5), connects a motor connection (21) with a pump connection, in a second operating position (6), connects a motor connection with a tank connection, and, in a locking position (4), disconnects the motor connection (21) from the pump and tank connection. A locking valve (19) is coupled between the control valve (3) and the motor connection (21), dividing the motor line (22) into a first section (23) allocated to the control valve (3) and a second section (24) allocated to the motor connection (21). For the locking valve (19), a pressure release valve (20) in the shape of a seated valve is provided that is fixed to the housing thereby improving control accuracy.

    摘要翻译: 液压阀装置包括控制阀(3),其在第一操作位置(5)中将马达连接件(21)与泵连接件连接在第二操作位置(6)中,将马达连接件与 油箱连接,并且在锁定位置(4)中,断开马达连接(21)与泵和油箱连接。 锁定阀(19)联接在控制阀(3)和马达连接件(21)之间,将马达管线(22)分成分配给控制阀(3)的第一部分(23)和第二部分 24)分配给电动机连接(21)。 对于锁定阀(19),提供了一种固定在壳体上的带座阀形式的压力释放阀(20),从而提高了控制精度。

    Hydraulic valve arrangement with locking and floating function
    2.
    发明授权
    Hydraulic valve arrangement with locking and floating function 有权
    具有锁定和浮动功能的液压阀装置

    公开(公告)号:US06220289B1

    公开(公告)日:2001-04-24

    申请号:US09550697

    申请日:2000-04-17

    IPC分类号: F15B13042

    摘要: 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.

    摘要翻译: 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。

    Hydraulic valve arrangement
    3.
    发明授权
    Hydraulic valve arrangement 有权
    液压阀装置

    公开(公告)号:US06971407B2

    公开(公告)日:2005-12-06

    申请号:US10734838

    申请日:2003-12-12

    IPC分类号: E02F9/22 F15B13/04

    摘要: The invention concerns a hydraulic valve arrangement with a supply connection arrangement, which has a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement, which has two working connections (A, B), which can be connected with a consumer, a directional valve and a compensation valve arranged between the directional valve and the supply connection arrangement, the pressure outlet of the compensation valve being connected with a pressure inlet of the directional valve. It is endeavoured to avoid dangerous situations, which occur because of uncontrolled pressures. For this purpose, it is ensured that the compensation valve has a relief outlet, which can be connected with the pressure outlet.

    摘要翻译: 本发明涉及具有供应连接装置的液压阀装置,其具有高压连接(P)和低压连接(T),工作连接装置具有两个工作连接(A,B),其中 可以与消费者连接,方向阀和布置在方向阀和供应连接装置之间的补偿阀,补偿阀的压力出口与方向阀的压力入口连接。 尽可能避免因不受控制的压力而发生的危险情况。 为此,确保补偿阀具有可与压力出口连接的泄压出口。

    Hydraulic valve arrangement with locking function
    4.
    发明授权
    Hydraulic valve arrangement with locking function 有权
    具有锁定功能的液压阀装置

    公开(公告)号:US06427721B1

    公开(公告)日:2002-08-06

    申请号:US09609843

    申请日:2000-07-05

    IPC分类号: F15B1304

    摘要: 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.

    摘要翻译: 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。

    Dual load-sensing passage adjustable relief valves for hydraulic motor
control
    5.
    发明授权
    Dual load-sensing passage adjustable relief valves for hydraulic motor control 失效
    双负载传感通道可调节安全阀用于液压马达控制

    公开(公告)号:US5000001A

    公开(公告)日:1991-03-19

    申请号:US294657

    申请日:1989-01-09

    IPC分类号: F15B11/00 F15B11/05 F15B13/04

    CPC分类号: F15B13/0417 Y10T137/87169

    摘要: 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.

    摘要翻译: 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。

    Hydraulic valve arrangement
    6.
    发明授权
    Hydraulic valve arrangement 有权
    液压阀装置

    公开(公告)号:US08020583B2

    公开(公告)日:2011-09-20

    申请号:US11956770

    申请日:2007-12-14

    IPC分类号: F16K17/18

    摘要: The invention concerns a hydraulic valve arrangement (1) with at least two valve modules (2-6), each having a supply channel arrangement with a high-pressure channel (9) and a low-pressure channel (15), a working connection arrangement with at least one working connection (A, B), one directional valve arrangement (16) between the supply channel arrangement (9, 15) and the working connection arrangement (A, B) and a compensation arrangement (19), which is acted upon by a pressure in a load-sensing arrangement. It is endeavored to increase the number of control possibilities. For this purpose, the load-sensing arrangement of at least one valve module (2-6) has a pressure influencing arrangement (25-29) that differs from a pressure influencing arrangement (25-29) of a load sensing arrangement of another valve module (2-6).

    摘要翻译: 本发明涉及具有至少两个阀模块(2-6)的液压阀装置(1),每个具有一个具有高压通道(9)和低压通道(15)的供应通道装置,工作连接 在所述供应通道装置(9,15)和所述工作连接装置(A,B)之间具有至少一个工作连接(A,B),一个方向阀装置(16)和补偿装置(19) 在负载感测装置中受到压力的作用。 努力增加控制可能性的数量。 为此,至少一个阀模块(2-6)的负载感测装置具有压力影响装置(25-29),该压力影响装置不同于另一阀的负载感测装置的压力影响装置(25-29) 模块(2-6)。

    HYDRAULIC VALVE ARRANGEMENT
    7.
    发明申请
    HYDRAULIC VALVE ARRANGEMENT 有权
    液压阀安装

    公开(公告)号:US20080223456A1

    公开(公告)日:2008-09-18

    申请号:US11956770

    申请日:2007-12-14

    IPC分类号: F16K17/18

    摘要: The invention concerns a hydraulic valve arrangement (1) with at least two valve modules (2-6), each having a supply channel arrangement with a high-pressure channel (9) and a low-pressure channel (15), a working connection arrangement with at least one working connection (A, B), one directional valve arrangement (16) between the supply channel arrangement (9, 15) and the working connection arrangement (A, B) and a compensation arrangement (19), which is acted upon by a pressure in a load-sensing arrangement. It is endeavoured to increase the number of control possibilities. For this purpose, the load-sensing arrangement of at least one valve module (2-6) has a pressure influencing arrangement (25-29) that differs from a pressure influencing arrangement (25-29) of a load sensing arrangement of another valve module (2-6).

    摘要翻译: 本发明涉及一种具有至少两个阀模块(2-6)的液压阀装置(1),每个阀模块具有一个具有高压通道(9)和低压通道(15)的供应通道装置,工作连接 在所述供应通道装置(9,15)和所述工作连接装置(A,B)之间具有至少一个工作连接(A,B),一个方向阀装置(16)和补偿装置(19) 在负载感测装置中受到压力的作用。 努力增加控制可能性的数量。 为此,至少一个阀模块(2-6)的负载感测装置具有压力影响装置(25-29),该压力影响装置不同于另一个阀的负载感测装置的压力影响装置(25-29) 模块(2 - 6)。

    HYDRAULIC VALVE ARRANGEMENT
    9.
    发明申请
    HYDRAULIC VALVE ARRANGEMENT 有权
    液压阀安装

    公开(公告)号:US20110204267A1

    公开(公告)日:2011-08-25

    申请号:US13098563

    申请日:2011-05-02

    IPC分类号: F16K31/00

    摘要: The invention concerns a hydraulic valve arrangement (1) with a supply connection arrangement comprising a high-pressure connection (P) and a low-pressure connection (T), a working connection arrangement comprising two working connections (A, B), which can be connected to a motor (4), a directional valve arrangement (5) located between the supply connection arrangement (P, T) and the working connection arrangement (A, B), and a compensation valve (15) acted upon in a first activation direction by a pressure in a first pressure chamber (33), which is connected to a load-sensing pipe (LS), and, if required, by a spring (32), and in a second activation direction opposite to the first activation direction by a pressure downstream of the directional valve arrangement (5), said pressure acting in a second pressure chamber (34), the compensation valve (15) having an inlet (14) and an outlet (19). In connection with a post-compensated valve, it is endeavoured to adjust the load pressures at the working connections (A, B) in dependence of the direction. For this purpose, each working connection (A, B) is connected to a control system, which amplifies the effect of the pressure in the first pressure chamber (33) on the compensation valve (15) in dependence of a pressure ruling at the working connection (A, B).

    摘要翻译: 本发明涉及具有包括高压连接(P)和低压连接(T)的供应连接装置的液压阀装置(1),包括两个工作连接(A,B)的工作连接装置,其可以 连接到电动机(4),位于供应连接装置(P,T)和工作连接装置(A,B)之间的方向阀装置(5)和补偿阀(15) 通过连接到负载传感管(LS)的第一压力室(33)中的压力,以及如果需要,通过弹簧(32)和在与第一激活相反的第二激活方向上的压力的激活方向 方向阀装置(5)下游的压力,所述压力作用在第二压力室(34)中,补偿阀(15)具有入口(14)和出口(19)。 结合补偿后阀门,努力根据方向调整工作连接(A,B)的负载压力。 为此,每个工作连接(A,B)连接到控制系统,该控制系统根据工作中的压力判定放大第一压力室(33)中的压力对补偿阀(15)的影响 连接(A,B)。