公开(公告)号：US09505288B2

公开(公告)日：2016-11-29

申请号：US14187650

申请日：2014-02-24

Applicant: FSP Fluid Systems Partners Holding AG

Inventor： Wolfgang Bauer

IPC: F16D31/02 ,  B60G17/08 ,  F15B11/08 ,  F16F9/18 ,  F16F9/50 ,  F16K11/07 ,  F16K31/06 ,  B60G17/056 ,  F15B11/00 ,  F15B13/044 ,  F15B13/04 ,  F15B11/042 ,  F15B13/02

CPC classification number: B60G17/08 ,  B60G17/056 ,  B60G2202/24 ,  F15B11/003 ,  F15B11/0423 ,  F15B11/08 ,  F15B13/021 ,  F15B13/0402 ,  F15B13/0442 ,  F15B2013/0412 ,  F15B2211/20546 ,  F15B2211/30515 ,  F15B2211/31 ,  F15B2211/3122 ,  F15B2211/3127 ,  F15B2211/3144 ,  F15B2211/6051 ,  F15B2211/6052 ,  F15B2211/625 ,  F15B2211/7052 ,  F16F9/18 ,  F16F9/50 ,  F16K11/07 ,  F16K31/0613 ,  Y10T137/86702

Abstract: The invention relates to a proportional directional control valve for controlling a hydraulic consumer, having a housing with a pressure port, a tank port, and first and second working ports. A control element is movably mounted in the housing. A single actuator is provided for moving the control element, which, in dependence on its position relative to the housing, enables different flow paths between the ports. The control element, starting from a first switching position in which both working ports are connected to the tank port, is movable by the actuator via a second switching position that follows the first switching position, to a third switching position that follows the second switching position. It is possible, by moving the control element from the first switching position into the third switching position, to successively disconnect the two working ports from the tank port and connect them to the pressure port.

Abstract translation: 本发明涉及一种用于控制液压消耗器的比例方向控制阀，具有带有压力端口的壳体，罐口以及第一和第二工作端口。 控制元件可移动地安装在壳体中。 提供单个致动器用于移动控制元件，该控制元件根据其相对于外壳的位置实现端口之间的不同流动路径。 控制元件从其两个工作端口连接到罐口的第一切换位置开始，通过致动器经由第一切换位置之后的第二切换位置移动到与第二切换位置相邻的第三切换位置 。 通过将控制元件从第一开关位置移动到第三切换位置，可以将两个工作端口从罐口连续地断开并将其连接到压力端口。

公开(公告)号：US20140245732A1

公开(公告)日：2014-09-04

申请号：US14187650

申请日：2014-02-24

Applicant: FSP Fluid Systems Partners Holding AG

Inventor： Wolfgang Bauer

IPC: F15B13/04 ,  F16K31/06 ,  F15B11/08 ,  F16F9/18 ,  F16F9/50 ,  F16K11/07 ,  B60G17/08

CPC classification number: B60G17/08 ,  B60G17/056 ,  B60G2202/24 ,  F15B11/003 ,  F15B11/0423 ,  F15B11/08 ,  F15B13/021 ,  F15B13/0402 ,  F15B13/0442 ,  F15B2013/0412 ,  F15B2211/20546 ,  F15B2211/30515 ,  F15B2211/31 ,  F15B2211/3122 ,  F15B2211/3127 ,  F15B2211/3144 ,  F15B2211/6051 ,  F15B2211/6052 ,  F15B2211/625 ,  F15B2211/7052 ,  F16F9/18 ,  F16F9/50 ,  F16K11/07 ,  F16K31/0613 ,  Y10T137/86702

Abstract: The invention relates to a proportional directional control valve for controlling a hydraulic consumer, having a housing with a pressure port, a tank port, and first and second working ports. A control element is movably mounted in the housing. A single actuator is provided for moving the control element, which, in dependence on its position relative to the housing, enables different flow paths between the ports. The control element, starting from a first switching position in which both working ports are connected to the tank port, is movable by the actuator via a second switching position that follows the first switching position, to a third switching position that follows the second switching position. It is possible, by moving the control element from the first switching position into the third switching position, to successively disconnect the two working ports from the tank port and connect them to the pressure port.

Abstract translation: 本发明涉及一种用于控制液压消耗器的比例方向控制阀，具有带有压力端口的壳体，罐口以及第一和第二工作端口。 控制元件可移动地安装在壳体中。 提供单个致动器用于移动控制元件，该控制元件根据其相对于外壳的位置实现端口之间的不同流动路径。 控制元件从其两个工作端口连接到罐口的第一切换位置开始，通过致动器经由第一切换位置之后的第二切换位置移动到与第二切换位置相邻的第三切换位置 。 通过将控制元件从第一开关位置移动到第三切换位置，可以将两个工作端口从罐口连续地断开并将其连接到压力端口。

公开(公告)号：US20140060032A1

公开(公告)日：2014-03-06

申请号：US14004783

申请日：2012-03-15

Applicant: Joseph L. Pfaff ,  Eric P. Hamkins

Inventor： Joseph L. Pfaff ,  Eric P. Hamkins

IPC: F15B7/00

CPC classification number: F15B7/003 ,  E02F9/2235 ,  E02F9/2242 ,  E02F9/2282 ,  E02F9/2285 ,  E02F9/2292 ,  E02F9/2296 ,  F15B11/165 ,  F15B11/17 ,  F15B2211/20546 ,  F15B2211/253 ,  F15B2211/3116 ,  F15B2211/6052 ,  F15B2211/654

Abstract: A hydraulic system includes a first pump and a plurality of valves that control fluid flow from the first pump to several actuators. Variable source orifices in the control valves are connected in parallel between the first pump and a node, and variable bypass orifices in the control valves are connected in series between the node and a tank. Pressure at the node controls displacement of the first pump. Each control valve also has a metering orifice for varying fluid flow between the node and one of the actuators. A hydrostatic pump-motor, coupled between two ports of a given actuator, is driven in a motoring mode by fluid exiting one of those ports. In a pumping mode, the hydrostatic pump-motor forces lower pressure fluid exhausting from one port into the other port of the given actuator.

Abstract translation: 液压系统包括第一泵和多个阀，其控制从第一泵到多个致动器的流体流动。 控制阀中的可变源孔并联连接在第一泵和节点之间，并且控制阀中的可变旁通孔连接在节点和罐之间。 节点处的压力控制第一泵的位移。 每个控制阀还具有用于在节点和致动器中的一个之间改变流体流动的计量孔口。 耦合在给定致动器的两个端口之间的静液压泵电动机通过流出其中一个端口的流体以电动模式被驱动。 在泵送模式中，静液压泵马达将较低压力的流体从一个端口排出到给定致动器的另一个端口。

公开(公告)号：US07546730B2

公开(公告)日：2009-06-16

申请号：US11690279

申请日：2007-03-23

Applicant: Paul T. Kubinski

Inventor： Paul T. Kubinski

IPC: F15B11/00 ,  F16H61/44

CPC classification number: F15B11/17 ,  E02F9/085 ,  F15B2211/20538 ,  F15B2211/20561 ,  F15B2211/20584 ,  F15B2211/20592 ,  F15B2211/265 ,  F15B2211/6052 ,  F15B2211/615 ,  F15B2211/7053

Abstract: A stabilizer system and method that can provide high speed, relatively low force extension and retraction of a stabilizer leg during a first portion of a stroke, and low speed, relatively high force extension and retraction during a second portion of the stroke. Accordingly, the stabilizer system and method takes less time to deploy than conventional stabilizer systems but without sacrificing performance.

Abstract translation: 一种稳定器系统和方法，其能够在行程的第一部分期间提供稳定器腿的高速度，相对较小的力延伸和缩回，以及在行程的第二部分期间低速，相对较大的力延伸和缩回。 因此，稳定器系统和方法比常规稳定器系统花费更少的时间部署，但不牺牲性能。

公开(公告)号：US07305821B2

公开(公告)日：2007-12-11

申请号：US11315188

申请日：2005-12-23

Applicant: Masayuki Kobayashi ,  Kazumichi Aoki

Inventor： Masayuki Kobayashi ,  Kazumichi Aoki

IPC: F15B11/00 ,  F15B11/05 ,  E02F9/22

CPC classification number: F15B11/055 ,  F15B2211/20546 ,  F15B2211/251 ,  F15B2211/30535 ,  F15B2211/329 ,  F15B2211/6052 ,  F15B2211/7053 ,  F15B2211/7058 ,  F16H59/26 ,  F16H61/40 ,  F16H61/4017 ,  F16H61/4061 ,  F16H61/4148 ,  F16H2059/6861

Abstract: A hydraulic control apparatus is provided to prevent failure that can occur due to hunting, to elevate performance of a hydraulic control valve, and to improve operation efficiency by effectively conducting bleed off. The hydraulic control apparatus can include a first change over valve group that can include a change over valve connected with a first delivery line associated with the variable capacity pump, and arranged to have load sensing function. A second change over valve group can also be provided, and can include at least one change over valve connected with a second delivery line associated with the variable capacity pump. An open and close motion valve and a compensation valve can be configured to constitute a pressure compensation flow control means connected through the second delivery line and the second change over valve group.

Abstract translation: 提供一种液压控制装置，用于防止由于打猎引起的故障，提高液压控制阀的性能，并且通过有效地进行泄放来提高操作效率。 液压控制装置可以包括第一换向阀组，其可以包括与与可变容量泵相关联的第一输送管线连接的换向阀，并且被布置成具有负载感测功能。 还可以提供阀组的第二次更换，并且可以包括与与可变容量泵相关联的第二输送管线连接的至少一个换向阀。 打开和关闭运动阀和补偿阀可以被构造成构成通过第二输送管线和第二换向阀组连接的压力补偿流量控制装置。

公开(公告)号：US06907728B2

公开(公告)日：2005-06-21

申请号：US10413464

申请日：2003-04-14

Applicant: Francis Cazier ,  Thierry Delort ,  Bertrand Duval ,  Gilles Hoessler ,  Patrick Lorriette

Inventor： Francis Cazier ,  Thierry Delort ,  Bertrand Duval ,  Gilles Hoessler ,  Patrick Lorriette

IPC: F15B11/16 ,  F15B11/17 ,  F16D31/02

CPC classification number: F15B11/165 ,  F15B11/17 ,  F15B2211/20576 ,  F15B2211/30505 ,  F15B2211/3051 ,  F15B2211/30525 ,  F15B2211/3111 ,  F15B2211/3144 ,  F15B2211/31576 ,  F15B2211/31582 ,  F15B2211/329 ,  F15B2211/40507 ,  F15B2211/40523 ,  F15B2211/41572 ,  F15B2211/428 ,  F15B2211/45 ,  F15B2211/50518 ,  F15B2211/5157 ,  F15B2211/55 ,  F15B2211/6052 ,  F15B2211/6055 ,  F15B2211/615 ,  F15B2211/7135 ,  F15B2211/781

Abstract: A load sensing hydraulic system includes two pumps, at least one hydraulic fluid consumer, and a pressure balance circuit. In the case of no demand from the consumer, hydraulic fluid flows from the pumps through the pressure balance circuit and to tank. In the case of demand from the consumer for hydraulic fluid at a flow rate less than or equal to the flow rate provided by the first pump, hydraulic fluid from the first pump flows to the consumer, and hydraulic fluid from the second pump flows to the tank. In the case of a demand from the consumer for hydraulic fluid at a flow rate greater than the capacity of the first pump, hydraulic fluid from both pumps flow to the consumer.

Abstract translation: 负载感测液压系统包括两个泵，至少一个液压流体消耗器和压力平衡回路。 在消费者不需要的情况下，液压流体从泵通过压力平衡回路流到罐中。 在来自消费者对液压流体的流量小于或等于由第一泵提供的流量的要求的情况下，来自第一泵的液压流体流向消耗器，并且来自第二泵的液压流体流向 坦克。 在消费者对液压流体的需求大于第一泵的容量的情况下，来自两个泵的液压流体流向消费者。

公开(公告)号：US20040020196A1

公开(公告)日：2004-02-05

申请号：US10465772

申请日：2003-06-19

Inventor： Tetsuya Goto ,  Takeharu Matsuzaki ,  Shigeto Nakajima ,  Yasuhiro Maeda ,  Keinosuke Ichikawa

IPC: F16D031/02

CPC classification number: B66F9/22 ,  F15B11/165 ,  F15B2211/20515 ,  F15B2211/255 ,  F15B2211/30505 ,  F15B2211/30525 ,  F15B2211/3056 ,  F15B2211/3111 ,  F15B2211/3144 ,  F15B2211/31576 ,  F15B2211/327 ,  F15B2211/329 ,  F15B2211/45 ,  F15B2211/6052 ,  F15B2211/6055 ,  F15B2211/615 ,  F15B2211/6653 ,  F15B2211/6654 ,  F15B2211/7135

Abstract: A main spool is located in a bypass line connecting a pump line to a return line. The main spool moves in an axial direction according to the pressure in a spring chamber and the pressure in a pilot chamber, thereby adjusting the opening degree of the bypass line. A pilot switching valve is located in a pressure control passage connecting the spring chamber to the return line. The pilot switching valve controls the flow rate of hydraulic oil that flows from the spring chamber to the return line in accordance with the load pressure of a hydraulic actuator, thereby adjusting the pressure of hydraulic oil in the spring chamber. As a result, the range of the flow rate of hydraulic oil supplied to the hydraulic actuator, which range precludes the influence of the load pressure of the hydraulic actuator, is expanded.

Abstract translation: 主阀芯位于将泵管线连接到回流管线的旁路管路中。 主阀芯根据弹簧室内的压力和先导室中的压力沿轴向移动，从而调节旁路管路的开度。 先导换向阀位于将弹簧室连接到回流管线的压力控制通道中。 先导切换阀根据液压致动器的负载压力控制从弹簧室流向返回管路的液压油的流量，从而调节弹簧室中的液压油的压力。 结果，扩大了供给液压致动器的液压油的流量范围，该范围排除了液压致动器的负载压力的影响。

公开(公告)号：US20030005820A1

公开(公告)日：2003-01-09

申请号：US10188202

申请日：2002-07-02

Inventor： Michael D. Hudson ,  John P. Mitchell

IPC: F15B011/00

CPC classification number: F15B11/162 ,  E02F9/2221 ,  E02F9/226 ,  E02F9/2296 ,  F15B2211/20553 ,  F15B2211/25 ,  F15B2211/3111 ,  F15B2211/4053 ,  F15B2211/41509 ,  F15B2211/428 ,  F15B2211/455 ,  F15B2211/6052 ,  F15B2211/6054 ,  F15B2211/7142 ,  F15B2211/781

Abstract: A hydraulic system includes a pressurized fluid supply, a plurality of non-priority elements each including a signal port and a supply port, at least one priority implement including a signal port and a supply port and a priority valve arrangement. The priority valve arrangement is adapted to receive fluid from the pressurized fluid supply and selectively apportion fluid between the supply port of the priority implement and the supply ports of the plurality of non-priority elements. The valve arrangement includes a signal circuit operative to establish a flow priority between the priority implement and the plurality of non-priority implements and the signal circuit is in fluid communication with the priority supply. The signal circuit includes a pilot portion and a dynamic load portion and the signal port of the priority implement is in fluid communication with the priority valve arrangement through the dynamic load portion of the signal circuit. The signal ports of the plurality of non-priority implements are in fluid communication with the priority supply, wherein the dynamic load signal and the load signal are substantially prevented from fluid communication with one another to provide a stabilized dynamic load signal.

Abstract translation: 液压系统包括加压流体供应源，每个包括信号端口和供应端口的多个非优先级元件，包括信号端口和供应端口以及优先阀装置的至少一个优先实施方式。 优先阀装置适于从加压流体供应源接收流体，并且在优先工具的供给口与多个非优先级元件的供应端口之间选择性地分配流体。 阀装置包括可操作以在优先实施和多个非优先实施之间建立流优先级的信号电路，并且信号电路与优先供电流体连通。 信号电路包括引导部分和动态负载部分，并且优先工具的信号端口通过信号电路的动态负载部分与优先级阀装置流体连通。 多个非优先实施例的信号端口与优先供应流体通信，其中基本上防止动态负载信号和负载信号彼此流体连通以提供稳定的动态负载信号。

公开(公告)号：US06422121B1

公开(公告)日：2002-07-23

申请号：US09579295

申请日：2000-05-25

Applicant: Douglas E. Wysong

Inventor： Douglas E. Wysong

IPC: F15B1115

CPC classification number: B65G53/66 ,  B65G53/4633 ,  F15B11/162 ,  F15B2211/20553 ,  F15B2211/20576 ,  F15B2211/25 ,  F15B2211/3051 ,  F15B2211/3127 ,  F15B2211/327 ,  F15B2211/40507 ,  F15B2211/40515 ,  F15B2211/4053 ,  F15B2211/45 ,  F15B2211/6052 ,  F15B2211/7058 ,  F15B2211/7142 ,  F15B2211/781

Abstract: A hydraulic system comprises a variable displacement pump. The hydraulic system includes a first device capable of being hydraulically powered by the pump and a reversing device adapted to cause the first device to autoreverse. The hydraulic system also includes an isolation device adapted to prevent pressure surges resulting from a source other than the first device from actuating the reversing device, thereby preventing undesirable autoreversing of the first device.

Abstract translation: 液压系统包括可变排量泵。 液压系统包括能够由泵液压动力的第一装置和适于使第一装置自动反向的换向装置。 液压系统还包括隔离装置，其适于防止由除第一装置之外的源产生的压力浪涌致动反向装置，从而防止第一装置的不期望的自动反转。

公开(公告)号：US5931078A

公开(公告)日：1999-08-03

申请号：US844089

申请日：1997-04-18

Applicant: Walter Kropp

Inventor： Walter Kropp

IPC: F15B11/00 ,  E02F9/12 ,  F15B11/028 ,  F15B11/05 ,  F15B13/02

CPC classification number: E02F9/123 ,  F15B11/028 ,  F15B2211/20553 ,  F15B2211/30535 ,  F15B2211/3111 ,  F15B2211/329 ,  F15B2211/351 ,  F15B2211/40507 ,  F15B2211/40584 ,  F15B2211/41581 ,  F15B2211/473 ,  F15B2211/50527 ,  F15B2211/5154 ,  F15B2211/55 ,  F15B2211/6052 ,  F15B2211/6355 ,  F15B2211/7058 ,  F15B2211/75

Abstract: A hydrostatic drive system has a demand-responsive pump and at least one hydraulic circuit or consumer connected to it. Each consumer can be actuated by a directional control valve which acts as a throttle in intermediate positions. For the distribution of the delivery flow independently of the load, a pressure-maintaining valve is located upstream of the directional control valve. The pressure-maintaining valve can be controlled by a differential signal formed from a load pressure signal and a delivery pressure signal. The load pressure signal to the pressure-maintaining valve of the consumer can be changed by the output signal of a pressure reducing valve. One control surface of the pressure-maintaining valve can be pressurized with the output-side pressure of the pressure reducing valve which is located in a load pressure line. The output pressure of the pressure reducing valve can be adjusted by a spring and a variable control pressure.

Abstract translation: 静液压驱动系统具有需求响应泵和至少一个与其连接的液压回路或消耗件。 每个消费者可以通过方向控制阀来致动，该方向控制阀作为中间位置的节气门。 对于独立于负载的输送流的分配，保压阀位于方向控制阀的上游。 保压阀可以通过由负载压力信号和输送压力信号形成的差动信号来控制。 可以通过减压阀的输出信号来改变到消费者的保压阀的负载压力信号。 可以利用位于负载压力线的减压阀的输出侧压力对保压阀的一个控制面进行加压。 减压阀的输出压力可以通过弹簧和可变控制压力进行调节。