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61. 发明授权

US06729346B2 Pneumatic valve 失效
标题翻译：气动阀
公开(公告)号：US06729346B2
公开(公告)日：2004-05-04
申请号：US09918192
申请日：2001-07-30
申请人： Jörg Führmann
发明人： Jörg Führmann
IPC分类号： G05D703
CPC分类号： F15B11/05 , F15B2013/008 , F15B2211/40515 , F15B2211/428 , F15B2211/8855 , Y10T137/7788
摘要： A pneumatic valve, includes a housing having first and second ports for entry and exit of an operating gas, a main connection line for linking the ports, and a cross bore intersecting the main connection line. A throttle includes a control element which is received in the cross bore and has a control opening with an effective area which progressively decreases from a first end position to a second end position, as the control element moves in a direction toward the second end position, whereby a counterforce is provided to oppose this movement of the control element. Disposed in the main connection line in series with the throttle is a flow orifice, wherein a gas pressure differential upstream and downstream of the flow orifice, as viewed in movement direction of the control element, is utilized to control the effective area of the control opening.
摘要翻译：一种气动阀，包括具有用于进入和离开操作气体的第一和第二端口的壳体，用于连接端口的主连接线以及与主连接线相交的十字孔。节气门包括控制元件，该控制元件被容纳在十字孔中并且具有控制开口，该控制开口具有从第一端部位置到第二端部位置逐渐减小的有效区域，因为控制元件沿着朝向第二端部位置的方向移动，由此提供反作用力以抵抗控制元件的这种运动。在与节气门串联的主连接线中设置有流动孔，其中，当从控制元件的移动方向观察时，流动孔的上游和下游的气体压力差用于控制控制开口的有效面积。

62. 发明申请

US20020090286A1 Modulation of ejector pumps to provide uniform and controllable ejector speed during ejector stroke for articulated trucks and the like having ejector type dump mechanism 有权
标题翻译：喷射器泵的调制以在喷射器行程期间为铰接式卡车等提供均匀且可控的喷射器速度，其具有喷射器型倾卸机构
公开(公告)号：US20020090286A1
公开(公告)日：2002-07-11
申请号：US10062410
申请日：2002-02-05
申请人： Caterpillar, Inc.
发明人： Steven Burnett , Peter F. Prillinger , David A. Young
IPC分类号： B60P001/00
CPC分类号： B60P1/006 , F15B11/05 , F15B15/16 , F15B2211/20584 , F15B2211/27 , F15B2211/3059 , F15B2211/3127 , F15B2211/7057 , F15B2211/7128 , F15B2211/7142 , F15B2211/78
摘要： A material eject system includes an ejector mounted to a bed of a vehicle which is movable between a rear end and a forward end of the bed for ejecting material from the bed. The ejector is powered by a cylinder having different fluid volumes depending on the direction of motion of the cylinder. A control circuit operates with the ejector motor to automatically move the ejector through eject and return cycles. Further, the control circuit detects different positions of the cylinder and automatically operates the cylinder at different speeds to maintain a constant motor and ejector speed throughout the material eject cycle.
摘要翻译：材料弹出系统包括安装到车辆床的喷射器，其可以在床的后端和前端之间移动，以从床中喷射材料。喷射器由具有不同流体体积的圆柱体驱动，取决于气缸的运动方向。控制电路与喷射器电机一起工作，通过弹出和返回循环自动移动喷射器。此外，控制电路检测气缸的不同位置，并以不同的速度自动操作气缸，以在整个材料喷射循环中保持恒定的电机和喷射器速度。

63. 发明授权

US06209321B1 Hydraulic controller for a working machine 失效
标题翻译：工作机液压控制器
公开(公告)号：US06209321B1
公开(公告)日：2001-04-03
申请号：US09141438
申请日：1998-08-27
申请人： Masanori Ikari
发明人： Masanori Ikari
IPC分类号： F16D3102
CPC分类号： F15B21/087 , E02F9/2228 , E02F9/2285 , F15B11/05 , F15B2211/30525 , F15B2211/3116 , F15B2211/329 , F15B2211/50545 , F15B2211/50563 , F15B2211/5157 , F15B2211/528 , F15B2211/57 , F15B2211/6309 , F15B2211/6313 , F15B2211/6316 , F15B2211/6323 , F15B2211/665 , F15B2211/6653 , F15B2211/71
摘要： The present invention relates to a hydraulic controller for a working machine, capable of reducing a dead zone of a lever of the working machine and improving the manipulation handling thereof. The hydraulic controller is provided with a back pressure metering valve disposed in a bleed-off line and connecting a bleed-off opening and a tank for adding back pressure to the bleed-off opening; a proportional solenoid control valve for supplying control pressure to the back pressure metering valve; a pilot hydraulic sensor for detecting pilot hydraulic pressure; and a controller for receiving a pilot hydraulic signal from the pilot hydraulic sensor and for outputting a control signal to the proportional solenoid control valve to thereby control the back pressure metering valve.
摘要翻译：本发明涉及一种用于工作机械的液压控制器，其能够减少作业机械的操纵杆的死区并改善其操纵处理。液压控制器设置有设置在泄放线中的背压计量阀，并连接泄放开口和用于向排气口加压的罐; 用于向背压计量阀提供控制压力的比例电磁控制阀; 用于检测先导液压的先导液压传感器; 以及控制器，用于从先导液压传感器接收先导液压信号，并将控制信号输出到比例电磁控制阀，从而控制背压计量阀。

64. 发明授权

US06179393B2 Distributing valve for load-independent control of a hydraulic consumer with regards to direction and speed 有权
标题翻译：分配阀用于液压消费者的负载独立控制方向和速度
公开(公告)号：US06179393B2
公开(公告)日：2001-01-30
申请号：US09319794
申请日：1999-06-09
申请人： Armin Stellwagen
发明人： Armin Stellwagen
IPC分类号： B60T842
CPC分类号： F15B11/05 , F15B13/0402
摘要： The invention relates to distributing valve for load-independent control of a hydraulic consumer with regard to direction and speed. Similar distributing valves known per se have a control valve (30) which can be axially displaced in a slide bore hole (11) of a valve housing (10). In a neutral position, said control valve (30) blocks off two consumer chambers (13, 15) from a feed chamber (14) and selectably connects one of the two consumer chambers (13, 15) to a feed chamber (14) and the other consumer chamber (15, 13) to a return chamber in two operating positions. In addition, two brake pistons (51, 52) are arranged in two opposite lying receiving areas (33, 34) of the control valve (30). Both pistons can be pressurized in the direction of an enlargement of the opening section of a flow path leading from one consumer chamber (13, 15) to a return chamber (12, 16) via the respective receiving area, said pistons being pressurized in the other consumer chamber (15, 13) in a direction opposite to that of a spring (53) placed in a spring chamber (12). According to the invention, a slide longitudinal bore hole (36) which can be connected to a load indicator channel (22) extends from one pressure chamber (58) on one brake piston (51, 52) to the other pressure chamber (58) on the other brake piston (51, 52), and can be connected, upon displacement of the control valve (30) from the neutral position, to one consumer chamber (13) or another consumer chamber (15) depending on the direction of displacement.
摘要翻译：本发明涉及一种用于液压消费者关于方向和速度的负载独立控制的分配阀。本身已知的类似分配阀具有可在阀壳体（10）的滑动孔孔（11）中轴向移位的控制阀（30）。在中立位置，所述控制阀（30）从进料室（14）阻止两个消耗室（13,15），并可选地将两个消费室（13,15）中的一个连接到进料室（14）和另一个消费室（15,13）到达两个操作位置的返回室。此外，两个制动活塞（51,52）设置在控制阀（30）的两个相对的接收区域（33,34）中。两个活塞可以经由相应的接收区域沿着从一个消费室（13,15）引导到返回室（12,16）的流动路径的开口部分的扩大的方向被加压，所述活塞在其它消费室（15,13）的方向与放置在弹簧室（12）中的弹簧（53）的方向相反。根据本发明，可连接到负载指示器通道（22）的滑动纵向钻孔（36）从一个制动活塞（51,52）上的一个压力室（58）延伸到另一个压力室（58）在另一个制动活塞（51,52）上，并且可以在控制阀（30）从中立位置移动时根据位移方向连接到一个消费室（13）或另一个消费室（15）。

65. 发明授权

US6148856A Control valve 有权
标题翻译：控制阀
公开(公告)号：US6148856A
公开(公告)日：2000-11-21
申请号：US266224
申请日：1999-03-10
申请人： Walter Kropp
发明人： Walter Kropp
IPC分类号： B66F9/22 , E02F9/12 , E02F9/22 , F15B11/05 , F15B13/04 , F15B11/04
CPC分类号： E02F9/2296 , B66F9/22 , E02F9/128 , E02F9/2203 , F15B11/05 , F15B13/0418 , F15B2211/353
摘要： The invention relates to a control valve for the control, independently of a load, of a hydraulic consumer with a distributing slide valve to control the direction of movement and the speed of movement of the consumer and a throttle valve associated with the distributing slide valve. The throttle valve, when there is a connection of a pump with the consumer, can be pressurized toward an open position by the pressure downstream of the throttle point of the distributing slide valve, and toward a closed position by the load pressure of the consumer and by a spring. The invention teaches that the object of providing a control valve that easily makes possible a restriction of the quantity of hydraulic fluid flowing out of the consumer to a reservoir and thus a control of the speed of movement of the consumer in the discharge direction independently of the load, can be accomplished if, when the consumer is connected with a reservoir, the quantity of hydraulic fluid flowing out of the consumer is restricted by the throttle valve. In one embodiment, when the consumer is connected with the reservoir, the throttle valve can be pressurized toward the closed position by the pressure upstream of the throttle point of the distributing slide valve, whereby the pressure acting in the direction of the closed position of the throttle valve can be set and varied by a valve device that generates a differential pressure.
摘要翻译：本发明涉及一种控制阀，用于独立于具有分配滑阀的液压消耗器的负载的控制，以控制消费者的运动方向和运动速度以及与分配滑阀相关联的节流阀。当泵与消费者连接时，节流阀可以通过分配滑阀的节流点下游的压力朝向打开位置加压，并且通过消费者的负载压力朝向关闭位置，在春天本发明教导了提供一种控制阀的目的，其容易地限制从消费者流出到储存器的液压流体的量，从而可以独立于排放方向控制消费者在排出方向上的移动速度如果消费者与储存器连接时，可以通过节流阀限制流出消费者的液压流体的数量。在一个实施例中，当消费者与储存器连接时，节流阀可以通过分配滑阀的节流点上游的压力朝向关闭位置加压，由此沿着关闭位置的方向作用的压力节流阀可以通过产生差压的阀装置来设定和变化。

66. 发明授权

US5996615A Flow-control valve 失效
标题翻译：流量控制阀
公开(公告)号：US5996615A
公开(公告)日：1999-12-07
申请号：US51857
申请日：1998-07-14
申请人： Juergen Zuegner , Karl Cords , Hans Mueller , Michael Schulte
发明人： Juergen Zuegner , Karl Cords , Hans Mueller , Michael Schulte
IPC分类号： F16K31/363 , F15B11/05 , F15B13/042 , G05D7/01
CPC分类号： F15B11/05 , F15B13/042 , Y10T137/7771 , Y10T137/7788
摘要： Disclosed is a 2-way flow control valve whereby a constant hydraulic fluid volume flow may be adjusted by serial arrangement of a restrictor orifice and a control orifice. In the case of a reverse flow through the flow control valve of the present invention, a check actuating element of the flow control valve may be displaced against the bias of its own check spring in such a way that a bypass channel which bypasses the restrictor orifice can be controlled open.
摘要翻译： PCT No.PCT / EP96 / 03735 Sec。 371日期：1998年7月14日 102（e）日期1998年7月14日PCT 1996年8月23日PCT公布。出版物WO97 / 15875 PCT 日期1997年5月1日公开是一种双向流量控制阀，由此可以通过限流孔和控制孔的串联布置来调节恒定的液压流体体积流量。在通过本发明的流量控制阀的反向流动的情况下，流量控制阀的检查致动元件可以克服其自己的止回弹簧的偏压而移位，使得旁路通道限制节流孔可以控制开放。

67. 发明授权

US5826487A Pressure control for a pair of parallel hydraulic circuits 失效
标题翻译：一对并联液压回路的压力控制
公开(公告)号：US5826487A
公开(公告)日：1998-10-27
申请号：US803347
申请日：1997-02-20
申请人： Michael A. A'Hearn
发明人： Michael A. A'Hearn
IPC分类号： B62D5/07 , F15B11/02 , F15B11/05 , G05D16/00 , F15B11/00
CPC分类号： F15B11/05 , F15B2211/20538 , F15B2211/30505 , F15B2211/30525 , F15B2211/3054 , F15B2211/3144 , F15B2211/31588 , F15B2211/351 , F15B2211/4053 , F15B2211/413 , F15B2211/41509 , F15B2211/428 , F15B2211/465 , F15B2211/50536 , F15B2211/5151 , F15B2211/528 , F15B2211/555 , F15B2211/625 , F15B2211/7114 , F15B2211/781
摘要： An unloader valve is connected to a pump and has first and second ends, a priority flow port communicating with the first end and being connected to a first conduit connected to a first hydraulic circuit, an excess flow port communicating with a tank, and a spring disposed at the second end biasing the unloader valve to a priority flow position with a force sufficient to maintain the pressure in the priority flow port above a predetermined minimum level. The unloader valve is biased toward an unloading position in opposition to the spring force by pressure generated force acting on the second end. A check valve is disposed between the first conduit and a second conduit connected to a second hydraulic circuit. A valve device controls the pressure at the second end of the unloader valve in response to pressure in the second conduit so that pressure in the second conduit is maintained above a second higher predetermined level.
摘要翻译：卸载阀连接到泵，并且具有第一和第二端，优先流动端口与第一端连通并且连接到连接到第一液压回路的第一管道，与罐连通的多余流动端口和弹簧设置在第二端，将卸载器阀偏压到优先流动位置，该力具有足以将优先流量端口中的压力保持在预定最小水平以上的力。卸载阀通过作用在第二端上的压力产生力而相对于弹簧力偏压到卸载位置。止回阀设置在第一管道和连接到第二液压回路的第二管道之间。阀装置响应于第二管道中的压力来控制卸载器阀的第二端处的压力，使得第二管道中的压力保持在第二较高预定水平以上。

68. 发明授权

US5660096A Controlled proportional valve 失效
标题翻译：控制比例阀
公开(公告)号：US5660096A
公开(公告)日：1997-08-26
申请号：US454321
申请日：1995-06-02
申请人： Welm Friedrichsen
发明人： Welm Friedrichsen
IPC分类号： F15B11/05 , F15B13/04 , F15B21/08 , G05D7/00 , F15B11/10
CPC分类号： F15B13/0416 , F15B11/05 , F15B21/08 , F15B2211/20553 , F15B2211/30535 , F15B2211/329 , F15B2211/6051 , F15B2211/6054 , F15B2211/6313 , F15B2211/652 , F15B2211/653 , F15B2211/654 , F15B2211/665 , F15B2211/6653 , F15B2211/67
摘要： A controlled proportional valve is provided, with a main slide valve section (4) containing a main slide valve, which section controls a flow of fluid between a pump connection (P) connected to a pump (2) and a tank connection (T) connected to a tank (6) and two work connections connected to a load (5) and which generates a load-sensing signal (LS.sub.INT) in dependence on the pressures at the work connections (A, B), and with a compensating slide valve section (3) which controls the pressure across the main slide valve section (4) in dependence on the load-sensing signal (LS.sub.INT). It is desirable to achieve a more rapid response time in a proportional valve of that kind, wherein the control means should be capable of being retrofitted to existing proportional valves. To that end, a control arrangement (10) which controls the pressure of the load-sensing signal (LS.sub.INT) to influence the actual volume flow and/or the actual pressure in the work connections (A, B) is provided.
摘要翻译： PCT No.PCT / DK93 / 00388 Sec。 371日期：1995年6月2日 102（e）1995年6月2日PCT 1993年11月30日PCT公布。出版物WO94 / 日期1994年6月23日提供了一种控制比例阀，其中主滑阀部分（4）包含主滑阀，该部分控制在连接到泵（2）的泵连接（P）和泵连接到罐（6）的罐连接（T）和连接到负载（5）的两个工作连接，并且根据工作连接（A，B）上的压力产生负载感测信号（LSINT），以及具有补偿滑阀部分（3），其根据负载感测信号（LSINT）控制主滑阀部分（4）上的压力。期望在这种比例阀中实现更快的响应时间，其中控制装置应能够被改装成现有比例阀。为此，提供了控制负载感测信号（LSINT）的压力以影响工作连接（A，B）中的实际体积流量和/或实际压力的控制装置（10）。

69. 发明授权

US5447027A Hydraulic drive system for hydraulic working machines 失效
标题翻译：液压工程机液压驱动系统
公开(公告)号：US5447027A
公开(公告)日：1995-09-05
申请号：US302786
申请日：1994-09-12
申请人： Koji Ishikawa , Toichi Hirata , Genroku Sugiyama
发明人： Koji Ishikawa , Toichi Hirata , Genroku Sugiyama
IPC分类号： E02F9/22 , F15B11/04 , F15B11/05 , F16D31/02
CPC分类号： E02F9/2285 , E02F9/2225 , E02F9/2235 , E02F9/2282 , E02F9/2296 , F15B11/04 , F15B11/05 , F15B2211/20553 , F15B2211/255 , F15B2211/30505 , F15B2211/3116 , F15B2211/329 , F15B2211/351 , F15B2211/353 , F15B2211/615 , F15B2211/6309 , F15B2211/6313 , F15B2211/6316 , F15B2211/6326 , F15B2211/633 , F15B2211/6333 , F15B2211/6355 , F15B2211/7053 , F15B2211/71
摘要： A hydraulic drive system comprises a controller (12) and several condition sensors. A boom-up target flow rate setting section determines a boom-up target flow rate based on signals from a pressure sensor (11) and a rotational speed meter (16), a pump delivery rate detecting section determines a pump delivery rate based on signals from a tilt angle sensor (15) and the rotational speed meter (16), a differential pressure detecting section and a center bypass flow rate calculating section determine a center bypass flow rate based on signals from pressure sensors (9, 10), a boom cylinder calculating section determines a boom cylinder flow rate from the pump delivery rate and the center bypass flow rate, and a first pump target displacement volume calculating section calculates a first pump target tilt angle .theta..sub.1 in accordance with the difference between the boom-up target flow rate and the boom cylinder flow rate. In this case, .theta..sub.1 is larger than a second pump target tilt angle .theta..sub.2 for negative control and is selected by a maximum value selecting section. Then, a minimum value selecting section selects the smaller one of .theta..sub.1 and a maximum tilt angle .theta..sub.max determined with horsepower control, and drive signal generating section outputs a corresponding target current to a solenoid proportional valve (13) for driving a piston (6a) of a regulator (6) to the right in FIG. 4.
摘要翻译： PCT No.PCT / JP94 / 00464 Sec。 371日期1994年9月12日 102（e）1994年9月12日PCT PCT 1994年3月23日PCT公布。出版物WO94 / 21925 日期1994年9月29日。液压驱动系统包括控制器（12）和几个状态传感器。动臂上升目标流量设定部基于来自压力传感器（11）和转速计（16）的信号来确定动臂上升目标流量，泵输送速度检测部基于信号来确定泵输送速度从倾斜角传感器（15）和转速计（16），差压检测部和中心旁通流量计算部基于来自压力传感器（9,10），吊杆（9,10）的信号来确定中心旁通流量气缸计算部根据泵输送速度和中心旁通流量来确定起重臂液压缸流量，第一泵目标排量体积计算部根据悬臂上升目标的差计算第一泵目标倾斜角θ1 流量和动臂缸流量。在这种情况下，θ1大于用于负控制的第二泵目标倾斜角θ2，并且由最大值选择部选择。然后，最小值选择部选择通过马力控制确定的θ1中的较小值和最大倾斜角θmax，驱动信号生成部将用于驱动活塞（6a）的电磁比例阀（13）输出对应的目标电流）在图1中右侧的调节器（6）。 4。

70. 发明授权

US5184535A Speed control device for a pneumatic cylinder 失效
标题翻译：气压缸速度控制装置
公开(公告)号：US5184535A
公开(公告)日：1993-02-09
申请号：US719759
申请日：1991-06-24
申请人： Takashi Kimura
发明人： Takashi Kimura
IPC分类号： F15B11/05
CPC分类号： F15B11/05 , F15B2211/30565 , F15B2211/40576 , F15B2211/40584 , F15B2211/41527 , F15B2211/41563 , F15B2211/41572 , F15B2211/41581 , F15B2211/50554 , F15B2211/5153 , F15B2211/523 , F15B2211/528 , F15B2211/565 , F15B2211/625 , F15B2211/7052 , F15B2211/7053 , F15B2211/75 , F15B2211/8855 , Y10T137/86919 , Y10T137/87209
摘要： A speed control device for a pneumatic cylinder of the invention is characterized in that a speed control of the pneumatic cylinder can be changed from air pressure to air mass flow by a two-way valve and an airflow control valve. Therefore, an ordinary and low moving speed of a load is maintained even if the load changes its speed or stops moving, and thus any accidents caused by a change of the moving speed of the load are prevented beforehand. Additionally, since in this invention only a two-way valve and an airflow control valve are added to a conventional pneumatic cylinder and high relief type pressure reducing valve, the device of the invention is simply constructed and has a wide variety of usage. Furthermore, since the device of the invention is provided with a pressure accumulator and a checking valve, the pneumatic cylinder can be stably controlled even when the load moves at a high speed.
摘要翻译：本发明的气缸的速度控制装置的特征在于，可以通过二通阀和气流调节阀将气缸的速度控制从空气压力改变为空气质量流量。因此，即使负载改变其速度或停止移动，也能够保持负载的普通和低速移动速度，从而预先防止由负载的移动速度的变化引起的任何事故。此外，由于在本发明中，只有一个双向阀和一个气流调节阀被添加到传统的气缸和高浮雕式减压阀中，本发明的装置被简单地构造并且具有广泛的用途。此外，由于本发明的装置设置有蓄压器和止回阀，所以即使当负载高速移动时也能够稳定地控制气缸。

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