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1. 发明申请

US20130061946A1 DIGITAL HYDRAULIC SYSTEM 审中-公开
标题翻译：数字液压系统
公开(公告)号：US20130061946A1
公开(公告)日：2013-03-14
申请号：US13652054
申请日：2012-10-15
申请人： Elton D. Bishop
发明人： Elton D. Bishop
IPC分类号： F16L55/00
CPC分类号： F16L55/00 , E02F9/123 , E02F9/2217 , F15B3/00 , F15B2211/214 , F15B2211/6346 , F15B2211/7053 , Y10T137/598
摘要： A digital hydraulic system including a fluid having three portions each at a pressure and a digital hydraulic transformer having a first and second element. The first element has a first end and a second end. The first and second elements operating along a common axis, and together defining at least four variable volume working chambers. The at least two of the at least four variable volume working chambers containing fluid directing force on the second element in a direction toward the first end. Another two of the at least four variable volume working chambers containing fluid directing force on the second element toward the second end. A control system individually selectively fluidically connects and disconnects each of the four variable volume working chambers to and from the three portions of the fluid at the three pressures.
摘要翻译：一种数字液压系统，包括具有压力的三个部分的液体和具有第一和第二元件的数字液压变压器。第一元件具有第一端和第二端。第一和第二元件沿着公共轴线操作，并且一起限定至少四个可变容积的工作室。所述至少四个可变容积工作室中的至少两个在朝向第一端的方向上包含在第二元件上的流体引导力。所述至少四个可变容积工作室中的另外两个在第二元件上朝向第二端包含流体引导力。控制系统在三个压力下单独地选择性地将四个可变体积工作室中的每一个流体地连接和断开流体的三个部分和从三个部分流出。

2. 发明授权

US08286426B2 Digital hydraulic system 失效
标题翻译：数字液压系统
公开(公告)号：US08286426B2
公开(公告)日：2012-10-16
申请号：US12352398
申请日：2009-01-12
申请人： Elton D. Bishop
发明人： Elton D. Bishop
IPC分类号： F16D31/02
CPC分类号： F15B21/14 , F15B1/024 , F15B3/00 , F15B21/08 , F15B2211/212 , F15B2211/214 , F15B2211/88
摘要： A control system for a work machine having a hydraulic energy source, a hydraulic accumulator, a digital hydraulic system having a digital hydraulic transformer, a hydraulic actuator and a movable element. The hydraulic accumulator being fluidically couplable with the hydraulic energy source. The digital hydraulic system including a digital hydraulic transformer fluidically couplable with the hydraulic accumulator. The hydraulic actuator being fluidically couplable with the digital hydraulic transformer. The movable element being movable by the hydraulic actuator. The control system including means to estimate at least one of potential energy and kinetic energy in the movable element; means to measure a fill level of hydraulic fluid in the hydraulic accumulator; and means to vary the amount of hydraulic energy added to the hydraulic accumulator by the hydraulic energy source responsive to the potential energy, the kinetic energy and/or the fill level of the hydraulic accumulator.
摘要翻译：一种用于具有液压能量源的工作机械的控制系统，液压蓄能器，具有数字液压变压器的数字液压系统，液压致动器和可移动元件。液压蓄能器与液压能源流体耦合。数字液压系统包括与液压蓄能器流体耦合的数字液压变压器。液压致动器与数字液压变压器流体耦合。可移动元件可由液压致动器移动。控制系统包括估计可移动元件中的势能和动能中的至少一个的装置; 用于测量液压蓄能器中液压油的填充量的装置; 以及响应于所述液压蓄能器的势能，动能和/或填充水平，通过液压能源改变添加到液压蓄能器的液压能量的装置。

3. 发明申请

US20090178399A1 DIGITAL HYDRAULIC SYSTEM 失效
标题翻译：数字液压系统
公开(公告)号：US20090178399A1
公开(公告)日：2009-07-16
申请号：US12352398
申请日：2009-01-12
申请人： Elton D. Bishop
发明人： Elton D. Bishop
IPC分类号： F15B1/027
CPC分类号： F15B21/14 , F15B1/024 , F15B3/00 , F15B21/08 , F15B2211/212 , F15B2211/214 , F15B2211/88
摘要： A control system for a work machine having a hydraulic energy source, a hydraulic accumulator, a digital hydraulic system having a digital hydraulic transformer, a hydraulic actuator and a movable element. The hydraulic accumulator being fluidically couplable with the hydraulic energy source. The digital hydraulic system including a digital hydraulic transformer fluidically couplable with the hydraulic accumulator. The hydraulic actuator being fluidically couplable with the digital hydraulic transformer. The movable element being movable by the hydraulic actuator. The control system including means to estimate at least one of potential energy and kinetic energy in the movable element; means to measure a fill level of hydraulic fluid in the hydraulic accumulator; and means to vary the amount of hydraulic energy added to the hydraulic accumulator by the hydraulic energy source responsive to the potential energy, the kinetic energy and/or the fill level of the hydraulic accumulator.
摘要翻译：一种用于具有液压能量源的工作机械的控制系统，液压蓄能器，具有数字液压变压器的数字液压系统，液压致动器和可移动元件。液压蓄能器与液压能源流体耦合。数字液压系统包括与液压蓄能器流体耦合的数字液压变压器。液压致动器与数字液压变压器流体耦合。可移动元件可由液压致动器移动。控制系统包括估计可移动元件中的势能和动能中的至少一个的装置; 用于测量液压蓄能器中液压油的填充量的装置; 以及响应于所述液压蓄能器的势能，动能和/或填充水平，通过液压能源改变添加到液压蓄能器的液压能量的装置。

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