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    • 4. 发明申请
    • ENERGY EXTRACTION DEVICE, GROUP OF ENERGY EXTRACTION DEVICES AND OPERATING METHODS
    • 能量提取装置,能量提取装置组和操作方法
    • WO2013005259A3
    • 2013-05-23
    • PCT/JP2011003888
    • 2011-07-06
    • MITSUBISHI HEAVY IND LTDCALDWELL NIALLDUMNOV DANIILFIELDING MICHAELLAIRD STEPHENSTEIN UWETAYLOR JAMIE
    • CALDWELL NIALLDUMNOV DANIILFIELDING MICHAELLAIRD STEPHENSTEIN UWETAYLOR JAMIE
    • F03D9/00F03C1/26F03D11/02F04B1/053F04B17/02
    • F03D9/005F03C1/26F03D9/257F03D9/28F03D15/00F04B1/053F04B17/02F05B2240/96F05B2260/406Y02E10/725Y02E60/17Y02P80/158
    • A wind turbine generator (100), or other energy extraction device, has a hydraulic circuit comprising a hydraulic pump (129) driven by a rotating shaft (125) and a hydraulic motor (131) driving an electricity generator (157), or other load. A high pressure manifold (133) extending between the pump and motor is in communication with an accumulator (145, 147, 149). A controller receives a control signal and regulates the displacement of working fluid by the hydraulic pump and the hydraulic motor relative to each other. Thus, power input through the rotating shaft and output to the load can be decoupled for at least a period of time and the energy output of energy extraction device can be varied, for example to smooth the total power output to an electricity grid (101), without compromising power input. A group of energy extraction devices can be controlled in concert to maximise power input while providing smooth power output. Individual electricity generators in different energy extraction devices can be switched on and off in concert to provide smooth power output while benefiting from the reduced energy losses that can be obtained by switching off electricity generators where possible.
    • 风力涡轮发电机(100)或其他能量提取装置具有包括由旋转轴(125)驱动的液压泵(129)和驱动发电机(157)的液压马达(131)的液压回路,或其他 加载。 在泵和马达之间延伸的高压歧管(133)与蓄液器(145,147,149)连通。 控制器接收控制信号并且调节液压泵和液压马达相对于彼此的工作流体的排量。 因此,通过旋转轴输入到负载的功率输入可以被解耦至少一段时间,并且能量提取装置的能量输出可以被改变,例如以平滑到电网(101)的总功率输出, ,而不会影响功率输入。 一组能量提取设备可以一起控制以最大化功率输入,同时提供平滑的功率输出。 不同能量提取装置中的各个发电机可一起开启和关闭以提供平稳的功率输出,同时受益于可能的情况下通过关闭发电机而获得的减少的能量损失。
    • 5. 发明申请
    • ELECTRONICALLY CONTROLLED VALVE
    • 电子控制阀
    • WO2011058379A1
    • 2011-05-19
    • PCT/GB2010/051902
    • 2010-11-15
    • ARTEMIS INTELLIGENT POWER LIMITEDMCINTYRE, Fergus RobertFIELDING, Michael RichardSTEIN, Uwe Bernhard Pascal
    • MCINTYRE, Fergus RobertFIELDING, Michael RichardSTEIN, Uwe Bernhard Pascal
    • F04B49/06F04B39/10
    • F04B49/065F04B39/1013Y10T137/0318
    • An electronically controlled valve is suitable for regulating the flow of fluid between a fluid manifold and a working chamber of cyclically varying volume in a fluid-working machine having a rotating shaft. The valve includes a valve member moveable between a first position and a second position, wherein one of the first position and the second position is a position in which the valve is open and the other is a position in which the valve is closed. A valve member moving mechanism is operable to receive energy from a fluid-working machine crankshaft, or other rotating shaft, and to provide a valve member moving force to urge the valve member from the first position to the second position using the received energy. Thus, the energy used for movement of the valve against a pressure gradient is derived from the crankshaft. Energy received from the crankshaft can be stored and used subsequently to urge the valve member from the first position, allowing the valve to function despite timing differences between the availability of energy from the crankshaft and the requirement for energy to move the valve member.
    • 电子控制阀适用于在具有旋转轴的流体工作机器中调节流体歧管和循环变化体积的工作室之间的流体流动。 阀包括可在第一位置和第二位置之间移动的阀构件,其中第一位置和第二位置中的一个是阀打开的位置,另一个是阀关闭的位置。 阀构件移动机构可操作以从流体工作机器曲轴或其它旋转轴接收能量,并且使用所接收的能量提供阀构件移动力以将阀构件从第一位置推动到第二位置。 因此,从曲轴得到用于阀相对于压力梯度运动的能量。 从曲轴接收到的能量可以被存储和使用,以便随后从第一位置推动阀构件,从而允许阀在来自曲轴的能量的可用性和移动阀构件的能量需求之间的时间差异方面起作用。
    • 8. 发明申请
    • METHOD AND APPARATUS FOR EXTRACTING ENERGY FROM A FLUCTUATING ENERGY FLOW FROM A RENEWABLE ENERGY SOURCE
    • 从可再生能源中提取能量流的能量提取方法和装置
    • WO2011147996A3
    • 2012-04-19
    • PCT/EP2011058865
    • 2011-05-30
    • ARTEMIS INTELLIGENT POWER LTDCALDWELL NIALL JAMESDUMNOV DANIIL SERGEEVICHFIELDING MICHAEL RICHARD
    • CALDWELL NIALL JAMESDUMNOV DANIIL SERGEEVICHFIELDING MICHAEL RICHARD
    • F03D11/02F03D9/00F03D11/00
    • F16H61/4035F03D9/28F03D15/00F05B2260/406F16H39/02F16H61/4148F16H61/421F16H61/431F16H61/475Y02E10/722Y02E10/725Y02E60/17Y02P80/158
    • An energy extraction device and method for extracting energy from a fluctuating energy flow from a renewable energy source. A hydraulic pump is driven by a rotating shaft, driven in turn by a renewable energy source. A hydraulic motor drives a load and a high pressure manifold communicates between the pump, motor and an elastically deformable fluid retaining body. The hydraulic pump and hydraulic motor comprise working chambers displacing a volume of working fluid selectable on each cycle of working chamber volume by the control of electronic valves. The pressure in the high pressure manifold is measured and the net rate of displacement of working fluid by the hydraulic pump is selected responsive thereto to regulate the torque applied to the said rotating shaft. The net rate of displacement of working fluid by the hydraulic motor is selected to smooth the energy flow to the load. The net rate of displacement of working fluid by the hydraulic motor is selected to regulate the pressure in the high pressure manifold to remain within an acceptable pressure range. Instead of tightly controlling the pressure in the high pressure manifold, it is allowed to vary and, by allowing the pressure to vary, a smooth output can be produced with high efficiency despite fluctuations in the energy flow from the renewable energy source. The pressure is more strongly controlled at the top and/or bottom of the acceptable pressure range than closer to an optimum working pressure.
    • 一种用于从可再生能源的波动能量流中提取能量的能量提取装置和方法。 液压泵由旋转轴驱动,依次由可再生能源驱动。 液压马达驱动负载,高压歧管在泵,马达和可弹性变形的流体保持体之间连通。 液压泵和液压马达包括工作室,通过电子阀的控制来移动在工作室容积的每个周期上可选择的一定数量的工作流体。 测量高压歧管中的压力,并且响应于此选择液压泵的工作流体的净位移速率,以调节施加到所述旋转轴的扭矩。 选择液压马达的工作流体的净位移率,以平滑流向负载的能量流。 选择液压马达的工作流体的净位移率,以调节高压歧管中的压力以保持在可接受的压力范围内。 代替紧密地控制高压歧管中的压力,允许其变化,并且通过允许压力变化,尽管来自可再生能源的能量流的波动可以以高效率产生平稳的输出。 压力在可接受的压力范围的顶部和/或底部更接近于最佳工作压力的情况下被更强烈地控制。