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    • 3. 发明申请
    • Teeter-restraint device for wind turbines
    • 用于风力发电机的电机约束装置
    • US20090068012A1
    • 2009-03-12
    • US11899422
    • 2007-09-06
    • Fabio P. Bertolotti
    • Fabio P. Bertolotti
    • F03D7/00
    • F03D7/02F05B2240/2022F05B2250/70F05B2260/76F05B2260/96F05B2270/506F05B2270/604Y02E10/721Y02E10/723
    • A wind turbine system includes a shaft, a rotor for driving the shaft, and a first fluidic teeter control assembly. The rotor includes a first blade engaged to the shaft by a hub, and has a degree of freedom to pivot relative to the shaft. A first teeter angle is defined between an instantaneous position of the first blade and a time-averaged plane of rotation of the first blade. The first fluidic teeter control assembly is engaged between the rotor and the shaft for providing a first dynamic teeter restraining force as a function of the first teeter angle and a fluidic resistance. The first dynamic restraining force is relatively low when the first teeter angle is within a first teeter operation range, and the first dynamic restraining force is higher when the first teeter angle is outside that range.
    • 风力涡轮机系统包括轴,用于驱动轴的转子和第一流体跷跷板控制组件。 转子包括通过毂接合到轴的第一叶片,并且具有相对于轴枢转的自由度。 在第一叶片的瞬时位置和第一叶片的时间平均旋转平面之间限定第一跷跷板角度。 第一流体跷跷板控制组件接合在转子和轴之间,用于提供作为第一跷跷板角度和流体阻力的函数的第一动态踩踏器限制力。 当第一跷跷板角度在第一踩踏器操作范围内时,第一动态限制力相对较低,并且当第一跷跷板角度在该范围之外时,第一动态限制力较高。
    • 6. 发明授权
    • Belt-driven drive-train
    • 皮带驱动的列车
    • US08727921B2
    • 2014-05-20
    • US11484941
    • 2006-07-12
    • Fabio P. BertolottiJohn P. Wesson
    • Fabio P. BertolottiJohn P. Wesson
    • F16H7/00
    • F16H7/023F03D1/0658F03D9/25F03D9/28F03D15/00F03D15/10F05B2220/7066F05B2220/7068F05B2240/2022F05B2240/40F05B2260/4021F16H7/02Y02E10/721Y02E10/722Y02E10/725
    • An example drive train assembly for a power conversion system includes a first sprocket which defines an axis of rotation, at least two secondary sprockets adjacent to the first sprocket and at least one belt. The axis of rotation lies outside of an area defined by the belt. The belt is operable to transfer mechanical power between the first sprocket and the two secondary sprockets in response to a rotation of the first sprocket about the axis of rotation. The belt defines a first side having one of a first plurality of notches and a first plurality of teeth and an opposing second side having one of a second plurality of notches and a second plurality of teeth. The first sprocket defines the other of the first plurality of notches and the first plurality of teeth and the secondary sprockets define the other of the second plurality of notches and the second plurality of teeth. The first plurality of teeth engage the first plurality of notches and the second plurality of teeth engage the second plurality of notches, whereby rotation of the first sprocket about the axis of rotation engages the first plurality of teeth with the first plurality of notches and the second plurality of teeth with the second plurality of notches.
    • 用于功率转换系统的示例性传动系组件包括限定旋转轴线的第一链轮,与第一链轮相邻的至少两个辅助链轮和至少一个带。 旋转轴位于由带限定的区域的外侧。 该带可操作以响应于第一链轮围绕旋转轴线的旋转而在第一链轮和两个辅助链轮之间传递机械动力。 带限定具​​有第一多个凹口和第一多个齿中的一个的第一侧和具有第二多个凹口和第二多个齿中的一个的相对的第二侧。 第一链轮限定第一多个凹口中的另一个,并且第一多个齿和辅助链轮限定第二多个凹口和第二多个齿中的另一个。 所述第一多个齿啮合所述第一多个凹口,并且所述第二多个齿接合所述第二多个凹口,由此所述第一链轮围绕所述旋转轴线的旋转与所述第一多个凹槽接合所述第一多个齿,并且所述第二多个齿 多个齿与第二多个凹口。
    • 8. 发明授权
    • Pressure compensated discharge emitter
    • US06513734B2
    • 2003-02-04
    • US09756639
    • 2001-01-08
    • Giacomo BertolottiFabio P Bertolotti
    • Giacomo BertolottiFabio P Bertolotti
    • B05B130
    • A01G25/023Y02A40/237
    • A a drip irrigation system comprises a hose with a flexible wall circumscribing and bounding a main flow-path for carrying irrigation fluid, and pressure-compensated emitters spaced along the length of the hose and providing a communicating channel between the main flow-path and a region at lower pressure outside the main flow-path, such as the region outside the hose, the pressure-compensating function of the emitters producing a flow-rate through the emitters that is weakly dependent on the pressure differential across the emitters. The pressure compensated emitters comprise one slit extending through the flexible wall, the slit interrupting the circumferential stresses in the flexible wall when the flow-path is pressurized, the stress interruption simultaneously causing a dilatation of the slit and an outwardly radial displacement in the single wall material adjacent to, and around the slit, and protrusions connected to the flexible wall and extending from the perimeter of the slit towards the main flow-path to form an outwardly diverging discharge channel with an inlet facing the inward fluid region, the outwardly diverging discharge channel connecting the inward fluid region to the slit, the protrusions narrowing the cross-sectional area of the inlet to increase the hydrodynamic resistance of the discharge channel in response to both the dilatation of the slit and to the outward displacement of the wall material adjacent to and around the slit.
    • 9. 发明申请
    • TEETER-RESTRAINT DEVICE FOR WIND TURBINES
    • 用于风力涡轮机的TEETER-RESTRAINT设备
    • US20120288372A1
    • 2012-11-15
    • US13558179
    • 2012-07-25
    • Fabio P. Bertolotti
    • Fabio P. Bertolotti
    • F03D1/06F03D11/00
    • F03D7/02F05B2240/2022F05B2250/70F05B2260/76F05B2260/96F05B2270/506F05B2270/604Y02E10/721Y02E10/723
    • A wind turbine system includes a shaft, a rotor for driving the shaft, and a first fluidic teeter control assembly. The rotor includes a first blade engaged to the shaft by a hub, and has a degree of freedom to pivot relative to the shaft. A first teeter angle is defined between an instantaneous position of the first blade and a time-averaged plane of rotation of the first blade. The first fluidic teeter control assembly is engaged between the rotor and the shaft for providing a first dynamic teeter restraining force as a function of the first teeter angle and a fluidic resistance. The first dynamic restraining force is relatively low when the first teeter angle is within a first teeter operation range, and the first dynamic restraining force is higher when the first teeter angle is outside that range.
    • 风力涡轮机系统包括轴,用于驱动轴的转子和第一流体跷跷板控制组件。 转子包括通过毂接合到轴的第一叶片,并且具有相对于轴枢转的自由度。 在第一叶片的瞬时位置和第一叶片的时间平均旋转平面之间限定第一跷跷板角度。 第一流体跷跷板控制组件接合在转子和轴之间,用于提供作为第一跷跷板角度和流体阻力的函数的第一动态踩踏器限制力。 当第一跷跷板角度在第一踩踏器操作范围内时,第一动态限制力相对较低,并且当第一跷跷板角度在该范围之外时,第一动态限制力较高。