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    • 1. 发明申请
    • SYSTEM AND METHOD FOR ADJUSTING THE POSITION OF A CONTROL MEMBER OF A POWER PLANT
    • 调整发电厂控制构件位置的系统和方法
    • WO2010034804A1
    • 2010-04-01
    • PCT/EP2009/062435
    • 2009-09-25
    • ANSALDO THOMASSEN B.V.OVERGAAG, Johannes, Adrianus, Maria
    • OVERGAAG, Johannes, Adrianus, Maria
    • F15B9/09
    • F15B21/042F15B9/09F15B2211/62F15B2211/6313F15B2211/6336F15B2211/66F15B2211/6656F15B2211/7053Y10T137/85954
    • A system for adjusting the position of a control member of a power plant has a hydraulic fluid operated hydraulic actuator (H) provided with a displaceable member (5) connected to the control member (2), and having operating parameters; a servo valve (10) configured to control the hydraulic actuator (H) by means of the hydraulic fluid, and selectively operable between at least an open position for allowing fluid connection with the hydraulic actuator (H) and a closed position for blocking fluid connection to the hydraulic actuator (H); a by-pass fluid device (20) to drain the hydraulic fluid from the hydraulic actuator (H) in any position of the servo valve (10); and a control device (4) configured to selectively driving the servo valve (10) as a function of an operating parameter of the hydraulic actuator (H) so as to compensate the fluid drain, and keep the operating parameter within a given range about a selected target value.
    • 一种用于调节发电厂的控制构件的位置的系统具有设置有连接到控制构件(2)并具有操作参数的可移动构件(5)的液压流体操作液压致动器(H) 伺服阀(10),其被构造成通过液压流体来控制液压致动器(H),并且可以在用于允许与液压致动器(H)的流体连接的至少打开位置和用于阻止流体连接的关闭位置之间选择性地操作 到液压致动器(H); 旁通流体装置(20),用于在所述伺服阀(10)的任何位置从所述液压致动器(H)排出所述液压流体; 以及控制装置(4),其被配置为根据所述液压致动器(H)的操作参数来选择性地驱动所述伺服阀(10),以补偿所述流体排放,并且将所述操作参数保持在给定范围内 选定目标值。
    • 4. 发明申请
    • 건설기계의 제어밸브 제어장치 및 제어방법, 유압펌프 토출유량 제어방법
    • 用于控制建筑机械控制阀的装置,控制方法及控制液压泵排放流量的方法
    • WO2014208787A1
    • 2014-12-31
    • PCT/KR2013/005656
    • 2013-06-26
    • 볼보 컨스트럭션 이큅먼트 에이비김진욱이상희신흥주
    • 김진욱이상희신흥주
    • E02F9/22F15B13/02
    • E02F9/2228E02F9/2004E02F9/2235E02F9/2271E02F9/2282E02F9/2285E02F9/2292E02F9/2296E02F9/26F15B11/042F15B11/08F15B13/0401F15B2211/20546F15B2211/255F15B2211/30525F15B2211/405F15B2211/41572F15B2211/426F15B2211/6343F15B2211/6346F15B2211/66F15B2211/665F15B2211/6652
    • 영하의 동절기에 작동유 온도에 따라 방향절환밸브의 스풀 절환속도 및 유압펌프의 토출유량을 제어하기 위한 건설기계의 제어밸브 제어장치 및 제어방법, 유압펌프 토출유량 제어방법을 개시한다. 본 발명에 따른 건설기계의 제어밸브 제어장치에 있어서, 가변용량형 유압펌프; 상기 유압펌프로부터 공급되는 작동유에 의해 구동하는 유압액츄에이터; 상기 유압펌프와 유압액츄에이터 사이의 유로에 설치되고, 절환시 상기 유압액츄에이터의 기동, 정지 및 방향전환을 제어하는 제어밸브; 조작량에 대응되게 조작신호를 출력하는 조작레버; 상기 유압펌프에 연결되는 작동유탱크의 작동유 온도를 검출하는 온도센서; 상기 온도센서의 신호에 의해 검출된 작동유 온도가 미리설정된 온도보다 높은 경우 상기 조작레버의 조작량에 대응하는 제어신호를 상기 제어밸브에 인가하고, 상기 온도센서의 신호에 의해 검출된 작동유 온도가 미리설정된 온도보다 낮은 경우 상기 조작레버의 조작량에 따른 조작신호를 검출된 작동유 온도에 대응되게 소정비율로 증대시켜 조정한 후, 상기 제어밸브에 조정된 제어신호를 인가하는 컨트롤러;를 구비하는 것을 특징으로 하는 건설기계의 제어밸브 제어장치를 제공한다.
    • 公开了一种用于控制施工机械的控制阀的装置,其控制方法以及用于控制液压泵的排出流量的方法,用于控制方向切换阀的阀芯切换速率和 液压泵的排放流量根据工作油温度在冬季零度以下的温度。 根据本发明的用于控制施工机械的控制阀的装置包括:可变容量型液压泵; 由从液压泵供给的工作油驱动的液压致动器; 安装在液压泵和液压致动器之间的通道上的控制阀,以控制切换期间液压致动器的启动,停用和方向变化; 操作杆,用于输出与操作量对应的操作信号; 用于检测连接到液压泵的工作油箱中的工作油的温度的温度传感器; 以及控制器,用于当来自温度传感器的信号确认操作油的检测温度高于预设温度时,将与控制杆的操纵量对应的控制信号施加到控制阀,控制器 通过以预定比例增加操作信号来调节符合操纵杆的操纵量的操作信号,以便当来自温度传感器的信号确认检测到的温度 的操作油低于预设温度,并且控制器将调节的控制信号施加到控制阀。
    • 8. 发明申请
    • METHOD OF FILLING AND EMPTYING THE WORKING CHAMBER OF THE HYDRAULIC CYLINDER AND A HYDRAULIC CYLINDER TOGETHER WITH A CONTROL SYSTEM AND A HYDRAULIC CYLINDER FOR PERFORMING THE METHOD ACCORDING TO THE INVENTION
    • 用于执行根据本发明的方法的液压缸和液压缸的工作室以及用于控制系统和液压缸的填充和放空方法
    • WO2017099616A1
    • 2017-06-15
    • PCT/PL2016/000146
    • 2016-12-08
    • POLITECHNIKA WROCŁAWSKA
    • SIWULSKI, TomaszWARZYŃSKA, Urszula
    • F15B15/08F15B15/14
    • F15B21/042F15B15/1485F15B15/149F15B2211/30575F15B2211/62F15B2211/66F15B2211/7053
    • A method of filling and emptying the working chamber of the hydraulic cylinder intended for universal use in industrial practice, in particular in heavy industry and intended in particular, for use in the systems operating at high temperatures or under high workload, distinctive by the fact that hydraulic fluid is fed to each working chamber (6, 7) of the hydraulic cylinder through a valve (12a,12b) via one supply hydraulic line (8, 9), and it is discharged via a second valve (12c, 12d), through a discharge hydraulic line (10,11). A hydraulic cylinder together with a control system built from a cylinder (1), in which a plunger (23) or piston (4) interconnected with a piston rod (3) is mounted, distinctive by the fact that two hydraulic lines, each with a valve (12a, 12b, 12c, 12d), are led to each working chamber (6, 7) of the cylinder, wherein one of them is a supply hydraulic line (8, 9) and the second one is a discharge hydraulic line (10, 11). A hydraulic cylinder made of a cylinder (1) in which a plunger (23) or a piston (4) interconnected with a piston rod (3) is mounted, distinctive by the fact that each of the working chambers (6, 7) of the cylinder s equipped with two connection pipes (18, 19, 20, 21), the first of which is intended for connecting the supply hydraulic line and the other one for connecting the discharge hydraulic line.
    • 一种填充和清空液压缸的工作室的方法,所述液压缸用于在工业实践中通用,特别是在重工业中并特别用于在高温或低温下运行的系统中 由于液压流体通过阀(12a,12b)经由一个供应液压管线(8,9)供应到液压缸的每个工作室(6,7),并且其经由阀 第二阀(12c,12d)通过排出液压管线(10,11)。 液压缸连同由缸(1)构成的控制系统一起安装,其中安装有与活塞杆(3)相互连接的柱塞(23)或活塞(4),其特征在于两个液压管路 将阀(12a,12b,12c,12d)引导到气缸的每个工作室(6,7),其中一个是供应液压管线(8,9),并且第二个是排出液压管线 (10,11)。 由安装有与活塞杆(3)相互连接的活塞(23)或活塞(4)的缸体(1)构成的液压缸被区别在于,每个工作室(6,7)的 装有两个连接管(18,19,20,21)的缸体,其中第一个连接供应液压管路,另一个连接排出液压管路。
    • 9. 发明申请
    • 水圧駆動システム
    • 水力驱动系统
    • WO2013146574A1
    • 2013-10-03
    • PCT/JP2013/058251
    • 2013-03-22
    • カヤバ工業株式会社
    • 宮川 新平大林 義博
    • F15B21/04
    • F15B21/06F15B1/26F15B21/042F15B2211/62F15B2211/6303F15B2211/6343F15B2211/66
    •  水圧駆動システムは、作動水を吸い込んで吐出する水圧ポンプと、前記水圧ポンプから吐出された加圧水によって駆動される水圧アクチュエータと、前記水圧ポンプに吸い込まれる作動水が貯められる水タンクと、内部を冷媒が循環し、前記水圧アクチュエータから前記水タンクに戻されて前記水圧ポンプに供給される作動水との間で熱交換を行う冷媒通路と、前記冷媒通路に設けられ、当該冷媒通路を流れる冷媒の温度を低下させる冷却器と、を備える。前記冷却器は、作動水との間での熱交換に供された冷媒を圧縮する圧縮機と、前記圧縮機にて圧縮された冷媒を凝縮して温度を低下させる凝縮機と、を有する。
    • 水力驱动系统设有:水泵,用于吸取操作水并排放作业水; 由水压泵排出的加压水驱动的水压致动器; 用于存储吸入水压泵的工作水的水箱; 制冷剂通道,用于使制冷剂在其中循环并使制冷剂与从水​​力致动器返回到水箱的操作水交换热量并供应到水力泵; 以及设置在制冷剂通路中并降低流过制冷剂通道的制冷剂的温度的冷却器。 冷却器具有用于压缩已经与操作水进行热交换的制冷剂的压缩机,并且具有用于冷凝由压缩机压缩的制冷剂的冷凝器,以降低制冷剂的温度。