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    • 27. 发明申请
    • POWER GENERATING APPARATUS AND A METHOD OF OPERATING A PUMP/MOTOR OF A POWER GENERATING APPARATUS
    • 发电装置及其发电装置的泵/电动机的运行方法
    • WO2014006663A1
    • 2014-01-09
    • PCT/JP2012/004399
    • 2012-07-06
    • MITSUBISHI HEAVY INDUSTRIES, LTD.LAVENDER, JackDUMNOV, DaniilSTEIN, UweMACPHERSON, Jill
    • LAVENDER, JackDUMNOV, DaniilSTEIN, UweMACPHERSON, Jill
    • F03D9/00F04B1/053F03C1/047
    • F03D9/28F03D15/00F03D15/20F04B9/02F04B9/042F04B53/006F05B2260/406Y02E10/72Y02P80/158
    • The invention provides a power generating apparatus of a renewable energy type which generates power from a renewable energy source, the power generating apparatus comprising: a hub on which at least one rotor blade is mounted, the rotor blade receiving energy from the renewable energy source, causing the hub to rotate; a rotating shaft which is connected to the hub; a pump which is secured to the rotating shaft and which is driven by rotation of the rotating shaft; at least one motor which is driven by pressurized hydraulic fluid from the pump; and at least one generator coupled to at least one said motor, wherein the pump and/or at least one motor comprises: a rotatable shaft supported by a plurality of bearings; at least one pair of eccentric cams comprising first and second eccentric cams disposed circumferentially around the shaft; at least one pair of piston cylinder devices comprising first and second piston cylinder devices, each piston cylinder device comprising a piston operable to reciprocate within a cylinder, the pistons of the first and second piston cylinder devices being in force communication with the first and second cams respectively; and a controller in communication with the piston cylinder devices, wherein the first eccentric cam is substantially in antiphase with the second eccentric cam and the first piston cylinder device is positioned substantially opposite the second piston cylinder device, and wherein the controller has an operating mode in which the first and second piston cylinder devices are activated and deactivated substantially in phase with each other such that, when the first and second piston cylinder devices are activated, radial loads exerted on the bearings by the pistons of the first and second piston cylinder devices via the first and second eccentric cams respectively have a cancelling effect on each other. The invention is of particular use in power generating apparatus which are inaccessible for maintenance purposes, such as offshore wind turbines.
    • 本发明提供了一种从可再生能源产生电力的可再生能源发电装置,该发电装置包括:毂,其上安装有至少一个转子叶片,转子叶片从可再生能源接收能量, 导致轮毂旋转; 连接到所述轮毂的旋转轴; 泵,其被固定到旋转轴并且由旋转轴的旋转驱动; 至少一个由来自泵的加压液压流体驱动的马达; 以及耦合到至少一个所述电动机的至少一个发电机,其中所述泵和/或至少一个电动机包括:由多个轴承支撑的可旋转轴; 至少一对偏心凸轮包括围绕所述轴周向设置的第一和第二偏心凸轮; 至少一对活塞气缸装置,包括第一和第二活塞气缸装置,每个活塞气缸装置包括可操作以在气缸内往复运动的活塞,第一和第二活塞气缸装置的活塞与第一和第二凸轮 分别; 以及与所述活塞缸装置连通的控制器,其中所述第一偏心凸轮与所述第二偏心凸轮基本上相反,并且所述第一活塞气缸装置基本上与所述第二活塞气缸装置相对,并且其中所述控制器具有操作模式 所述第一和第二活塞气缸装置基本上彼此相位地被激活和去激活,使得当所述第一和第二活塞气缸装置被启动时,由所述第一和第二活塞气缸装置的活塞经由所述活塞施加在所述轴承上的径向载荷 第一和第二偏心凸轮分别具有抵消效果。 本发明在诸如海上风力涡轮机等用于维护目的的不可接近的发电设备中特别有用。