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    • 3. 发明申请
    • ELECTROMAGNETIC ACTUATOR
    • 电磁致动器
    • WO2007128977A3
    • 2008-01-10
    • PCT/GB2007001280
    • 2007-04-03
    • ARTEMIS INTELLIGENT POWER LTDCALDWELL NIALL JAMES
    • CALDWELL NIALL JAMES
    • H01F7/16F02M51/06H01F7/08H01F7/18
    • H01F7/1646F02M51/0635H01F7/081H01F7/1844H01F2007/1692H01F2007/1888
    • An electromagnetic actuator comprises a core (1), a ferromagnetic component (2) movable in a gap (5) in the core, and a magnet (4) for attracting the component to one side of the gap. A flux concentrator (12) concentrates the magnetic flux on that side of the gap (5) and a solenoid (8) produces magnetic flux in the gap. A magnetic circuit of the solenoid is defined by part of the core (1), part of the gap (5) and by a further gap (6) between the ferromagnetic component (2) and the core (1). A demagnetiser (7) has a magnetic circuit defined by another part of the core (1), another part of the gap (5) and by the further gap (6). The demagnetiser is arranged to demagnetise the magnet (4) at least to the extent that the magnetic flux produced by the solenoid (8) is diverted from the flux concentrator (12) into the further gap (6) and the movable component (2) is movable away from the magnet (4) under the magnetic force of the solenoid (8).
    • 电磁致动器包括芯体(1),可在芯体中的间隙(5)中移动的铁磁部件(2)和用于将部件吸引到间隙的一侧的磁体(4)。 磁通集中器(12)将磁通集中在间隙(5)的该侧,并且螺线管(8)在间隙中产生磁通量。 螺线管的磁路由铁芯(1)的一部分,间隙(5)的一部分和铁磁部件(2)和铁芯(1)之间的另外的间隙(6)限定。 退磁器(7)具有由芯部(1)的另一部分,间隙(5)的另一部分和另外的间隙(6)限定的磁路。 去磁器被布置成至少使由螺线管(8)产生的磁通从集流器(12)转移到另外的间隙(6)和可移动部件(2)的程度使磁体(4)退磁, 在螺线管(8)的磁力下可从磁体(4)移开。
    • 5. 发明申请
    • FLUID-WORKING MACHINE AND METHOD OF OPERATING A FLUID-WORKING MACHINE
    • 流体动力机械及其运行方法
    • WO2011104549A3
    • 2013-07-11
    • PCT/GB2011050360
    • 2011-02-23
    • ARTEMIS INTELLIGENT POWER LTDRAMPEN WILLIAM HUGH SALVINCALDWELL NIALL JAMESLAIRD STEPHEN MICHAEL
    • RAMPEN WILLIAM HUGH SALVINCALDWELL NIALL JAMESLAIRD STEPHEN MICHAEL
    • F04B7/00F04B51/00F04B53/10
    • F04B51/00F04B7/0076F04B49/24F04B53/1082G06F19/00
    • A method of operating a fluid-working machine having a plurality of working chambers of cyclically varying volume in which each working chamber is operable to displace a volume of working fluid which is selectable for each cycle of working chamber volume. The volume of working fluid displaced during each cycle of working chamber volume, to carry out a working function, is selected taking into account the availability of other working chambers. The status of each working chamber is monitored and a working chamber treated as unavailable if it is found to be malfunctioning. A working chamber may be treated as unavailable to carry out a working function if it is allocated to an alternative working function. A fault may be detected in a working chamber of a fluid-working machine having working chambers operable to displace a volume of working fluid which is selectable for each cycle of working chamber volume to carry out a working function responsive to a received demand signal, by determining whether a measured output parameter of the fluid working machine fulfils at least one acceptable function criterion taking into account the previously selected net displacement of working fluid by a working chamber during a cycle of working chamber volume to carry out the working function.
    • 一种操作具有循环变化体积的多个工作室的流体工作机器的方法,其中每个工作室可操作以移动可为每个工作室容积循环选择的一定体积的工作流体。 在考虑到其他工作室的可用性的情况下,选择在工作室容积的每个循环期间移动的工作流体的体积,以执行工作功能。 监控每个工作室的状态,如果发现故障,工作室被视为不可用。 如果工作室被分配到替代工作功能,工作室可能被视为不可用来执行工作功能。 可以在具有工作室的流体工作机械的工作室中检测到故障,该工作室可操作以移动一定量的工作流体,该工作流体可对每个工作室体积循环进行选择,以响应于所接收的需求信号来执行工作功能, 确定流体工作机械的测量输出参数是否满足至少一个可接受的功能标准,其考虑到在工作室体积的循环期间由工作室预先选择的工作流体的净位移以执行工作功能。
    • 8. 发明申请
    • CONTROLLER FOR HYDRAULIC PUMP
    • 液压泵控制器
    • WO2016058797A1
    • 2016-04-21
    • PCT/EP2015/071824
    • 2015-09-23
    • DANFOSS POWER SOLUTIONS GMBH & CO OHGARTEMIS INTELLIGENT POWER LTD.
    • DOLE, AlexisSTEIN, Uwe Bernhard PascalKUTTLER, Onno
    • F04B1/06F01B1/06F04B49/00F04B49/22
    • F04B1/063F04B1/066F04B49/00F04B49/007F04B49/22
    • A hydraulic pump (6) comprising: a housing (20) having first and second inlets (100a,100b) and first and second outlets (102a, 102b); a crankshaft (4) extending within the housing (20) and having axially offset first and second cams (62, 64); first and second groups (30, 32) of piston cylinder assemblies provided in the housing (20), each of the said groups (30, 32) having a plurality of piston cylinder assemblies having a working chamber of cyclically varying volume and being in driving relationship with the crankshaft (4); one or more electronically controllable valves (40) associated with the first and second groups (30, 32); and a controller (70) configured to actively control the opening and/or closing of the said electronically controllable valves (40) on each cycle of working chamber volume to thereby control the net displacement of fluid by the first and second groups (30, 32), wherein at least the first group (30) comprises a first piston cylinder assembly in driving relationship with the first cam (62) and a second piston cylinder assembly in driving relationship with the second cam (64), and wherein the first group is configured to receive working fluid from the first inlet (100a) and to output working fluid to the first outlet (102a) and the second group is configured to receive working fluid from the second inlet (100b) and to output working fluid to the second outlet (102b).
    • 一种液压泵(6),包括:具有第一和第二入口(100a,100b)和第一和第二出口(102a,102b)的壳体(20) 在所述壳体(20)内延伸并具有轴向偏移的第一和第二凸轮(62,64)的曲轴(4); 设置在壳体(20)中的活塞气缸组件的第一组和第二组(30,32),每个所述组(30,32)具有多个活塞气缸组件,所述多个活塞气缸组件具有周期性变化体积的工作室,并且正在行驶 与曲轴(4)的关系; 与第一组和第二组(30,32)相关联的一个或多个电子可控阀(40); 以及控制器(70),其被配置为在每个工作室容积循环上主动地控制所述电子可控阀(40)的打开和/或关闭,从而控制由第一组和第二组(30,32) ),其中至少第一组(30)包括与第一凸轮(62)驱动关系的第一活塞气缸组件和与第二凸轮(64)驱动关系的第二活塞气缸组件,并且其中第一组是 被配置为从第一入口(100a)接收工作流体并将工作流体输出到第一出口(102a),并且第二组构造成从第二入口(100b)接收工作流体并将工作流体输出到第二出口 (102B)。
    • 10. 发明申请
    • VARIABLE DISPLACEMENT RADIAL PISTON FLUID WORKING MACHINE
    • 可变位移径向活塞流体工作机
    • WO2011104544A2
    • 2011-09-01
    • PCT/GB2011050355
    • 2011-02-23
    • ARTEMIS INTELLIGENT POWER LTDSALTER STEPHEN HUGHRAMPEN WILLIAM HUGH SALVINSTEIN UWE BERNHARD PASCALFOX ROBERT GEORGE
    • SALTER STEPHEN HUGHRAMPEN WILLIAM HUGH SALVINSTEIN UWE BERNHARD PASCALFOX ROBERT GEORGE
    • F04B1/053
    • F04B1/0538F03D9/28F03D15/00F03D80/50Y02E10/72Y02P80/158
    • A variable displacement fluid working machine for use in applications where a large fluid working machine is required at an inaccessible location, for example, in the nacelle of a wind turbine tower. The machine includes an inward ring and an outward ring, one of the inward ring and the outward ring comprising a rotatable ring cam coupled to a drive shaft, the other comprising a plurality of radially extending piston cylinders circumferentially spaced around the respective ring. The outward ring comprising first and second axially spaced structural members and a plurality of demountable blocks demountably retainable therebetween, the demountable blocks comprising either piston cylinders or ring cam segments. The demountable blocks are removable radially to facilitate maintenance and repair and to facilitate radial access to the inward ring. Components of the inward ring may also be removed radially through the resulting gap. The demountable blocks also have a structural function, enabling the mass of the machine to be less than would otherwise be required.
    • 一种用于在不可接近的位置(例如在风力涡轮机塔架的机舱中)需要大型流体工作机的应用中的可变排量流体工作机。 机器包括向内的环和向外的环,其中一个向内环和向外的环包括联接到驱动轴的可旋转环形凸轮,另一个包括围绕相应环周向间隔开的多个径向延伸的活塞气缸。 所述向外环包括第一和第二轴向间隔开的结构构件和可拆卸地保持在其间的多个可拆卸块,所述可拆卸块包括活塞缸或环形凸轮段。 可拆卸块可径向移动,以便于维护和修理,并有助于径向进入内圈。 向内环的组件也可以通过所得到的间隙径向移除。 可拆卸块还具有结构功能,使得机器的质量能够小于否则需要。