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    • 3. 发明申请
    • HYDRAULIC PITCH SYSTEM UTILIZING PILOT PRESSURED RESERVOIR FOR WIND TURBINES
    • 用于风力涡轮机的引导式压力储存器的液压搅拌系统
    • US20160160840A1
    • 2016-06-09
    • US14906091
    • 2014-07-09
    • HYDRATECH INDUSTRIES WING POWER A/S
    • Jens Bay MADSENSoren STUBKIER
    • F03D7/02
    • F03D7/0224F05B2260/76F05B2260/79F05B2270/604F15B1/08F15B1/265F15B2211/625F15B2211/8752Y02E10/723Y02E70/30
    • Disclosed is a fluid control system for operation of a pitch control system for wind turbines of the type comprising a pitch system driving at least one rotor blade, by at least one hydraulic actuator (1, 41, 51, 61, 71, 91). A hydraulic pump(3, 43, 53, 63, 73, 93)of the fluid control system is supplied with hydraulic fluid from a hydraulic reservoir (5, 45, 55, 65, 75, 95) mounted on a rotating part of the wind turbine and the hydraulic reservoir is a pilot pressurized hydraulic reservoir (5, 45, 55, 65, 75, 95) being pressurized by the pitch system itself. The pilot pressurized hydraulic reservoir (5, 45, 55, 65, 75, 95) comprises a reservoir piston(101, 200)connected to a pilot piston (105, 202) through a rod (103), wherein the active reservoir piston area of the reservoir piston(101, 200) is larger than the active pilot piston area of the pilot piston (105, 202). A wind power generator is also disclosed.
    • 公开了一种用于操作风力涡轮机的变桨控制系统的流体控制系统,该系统包括通过至少一个液压致动器(41,41,51,61,71,91)驱动至少一个转子叶片的俯仰系统。 流体控制系统的液压泵(3,43,53,63,73,93)从安装在所述流体控制系统的旋转部分上的液压储存器(5,45,55,65,75,95)供应液压流体 风力涡轮机和液压油箱是由桨距系统本身加压的先导加压液压油箱(5,45,55,65,75,95)。 先导加压液压储存器(5,45,55,65,75,95)包括通过杆(103)连接到先导活塞(105,202)的储存器活塞(101,200),其中活动储存器活塞区域 所述储存器活塞(101,200)大于所述先导活塞(105,202)的主动先导活塞面积。 还公开了一种风力发电机。
    • 5. 发明授权
    • Wind turbine pitch control system
    • 风机变桨控制系统
    • US09115694B2
    • 2015-08-25
    • US13595001
    • 2012-08-27
    • Michael Gregory BrownJeffrey Alan Melius
    • Michael Gregory BrownJeffrey Alan Melius
    • F03D9/00F03D7/02
    • F03D7/0224F05B2260/76F05B2270/107F05B2270/602Y02E10/721Y02E10/723
    • A pitch control system for a wind turbine is disclosed. The pitch control system may generally include a motor having an armature and a winding and a grid power source configured to supply electrical power to the motor. The pitch control system may also include a plurality of switching components configured to control a first current through the armature independent of a second current through the winding. In addition, the pitch control system may include an auxiliary switching component electrically coupled between the grid power source and at least a portion of the switching components. The auxiliary switching component may be configured to be opened when a grid voltage of the grid power source exceeds a first voltage threshold.
    • 公开了一种用于风力涡轮机的俯仰控制系统。 变桨控制系统通常可以包括具有电枢和绕组的电动机和被配置为向电动机供电的电网电源。 俯仰控制系统还可以包括多个开关部件,其被配置为控制通过电枢的第一电流,而不管通过绕组的第二电流。 此外,俯仰控制系统可以包括电耦合在电网电源和至少一部分开关部件之间的辅助开关部件。 辅助开关部件可以被配置为当电网电源的电网电压超过第一电压阈值时打开。
    • 6. 发明授权
    • Vertical shaft wind power system and an equipment for automatically adjusting the angle of the fan blade
    • 立轴风力发电系统和风扇叶片自动调节角度的设备
    • US09080556B2
    • 2015-07-14
    • US13058459
    • 2010-11-19
    • Zhiwen Xu
    • Zhiwen Xu
    • F03D3/06
    • F03D3/068F05B2260/76F05B2270/32F05B2270/321Y02E10/74
    • The present invention relates to a vertical shaft wind power system and an equipment to adjust the angle of the fan blade automatically, the system includes an equipment to adjust the fan blade automatically, in which the outboard side of the rotary support is pivotally connected with the back of the fan blade, the inner side of the rotary support is connected with the fan blade support plate, which is arranged in the vertical shaft wind power system and the rotary can roll together with the fan blade support plate; the power device is associated with the lower end of the positioning shaft to drive the positioning shaft to rotate; the rotary crankshaft is associated with the upper end of the positioning shaft, the rotary crankshaft can rotate with the positioning shaft synchronously; the eccentric shaft is arranged on the eccentric position of the rotary crankshaft, the eccentric shaft is sleeved with eccentric shaft, the eccentric shaft can rotate around the eccentric shaft; the outer end of the fan blade draw bar is rotatablely connected with the fan blade, the inner end of the fan blade is rotatablely connected with the eccentric plate; the mechanism consists of the rotary support, the fan blade draw bar and the fan blade can adjust the angle of the fan blade automatically, when the power device make the positioning shaft associated with the wind direction, the fan blade can rotate with wind to turn the windward side of the fan blade to the best position.
    • 本发明涉及一种垂直轴风力发电系统和自动调节风扇叶片角度的设备,该系统包括一个自动调节风扇叶片的设备,其中旋转支架的外侧与该风扇叶片的外侧枢转连接 风扇叶片背面,旋转支架的内侧与风扇叶片支撑板连接,风扇叶片支撑板布置在垂直轴风力发电系统中,旋转罐可与风扇叶片支撑板一起滚动; 动力装置与定位轴的下端相连,驱动定位轴转动; 旋转曲轴与定位轴的上端相连,旋转曲轴可与定位轴同步旋转; 偏心轴设置在旋转曲轴的偏心位置,偏心轴为偏心轴,偏心轴可绕偏心轴旋转; 风扇叶片牵引杆的外端与风扇叶片可旋转地连接,风扇叶片的内端与偏心板可旋转地连接; 该机构包括旋转支架,风扇叶片牵引杆和风扇叶片可自动调节风扇叶片的角度,当动力装置使与风向相关的定位轴时,风扇叶片可随风转动转动 风扇叶片的迎风面最佳位置。