Wind turbine generator, active damping method thereof, and windmill tower
    12.
    发明授权
    Wind turbine generator, active damping method thereof, and windmill tower 失效
    风力发电机,主动阻尼法,风车塔

    公开(公告)号:US08395273B2

    公开(公告)日:2013-03-12

    申请号:US13612947

    申请日:2012-09-13

    IPC分类号: F03D9/00 H02P9/04

    摘要: A wind turbine generator, an active damping method thereof, and a windmill tower in which vibrations of the wind turbine generator itself or the windmill tower can be reduced at low cost are provided. The acceleration due to vibrations of a nacelle is detected with an accelerometer attached to the nacelle. In an active damping unit, a pitch angle of windmill blades for generating a thrust on the windmill blades so as to cancel out the vibrations of the nacelle is calculated on the basis of the acceleration, and the pitch angle is output as a blade-pitch-angle command δθ* for damping. On the other hand, in a pitch-angle control unit, a pitch angle of the windmill blades for controlling the output to be a predetermined value is calculated, and the pitch angle is output as a blade-pitch-angle command θ* for output control. The blade-pitch-angle command δθ* for damping is combined with the blade-pitch-angle command θ* for output control using a subtracter. The pitch angle of the windmill blades is controlled on the basis of the resulting blade-pitch-angle command after combining.

    摘要翻译: 提供了一种风力发电机,其主动阻尼方法和风车塔,其中可以以低成本降低风力涡轮发电机本身或风车塔的振动。 由于机舱的振动引起的加速度是用连接到机舱的加速度计来检测的。 在主动阻尼单元中,基于加速度计算用于在风车叶片上产生推力以抵消机舱振动的风车叶片的俯仰角,并且俯仰角作为叶片间距输出 角度指令δ&thetas; *用于阻尼。 另一方面,在俯仰角控制单元中,计算用于将输出控制为规定值的风车叶片的俯仰角,作为桨距角度指令输出俯仰角; * 输出控制。 用于阻尼的叶片桨距角度指令δ与叶片桨距角度指令组合; *用于使用减法器进行输出控制。 在组合之后,基于所得到的叶片间距角命令来控制风车叶片的俯仰角。

    Wind turbine generator and blade pitch angle control method thereof
    13.
    发明授权
    Wind turbine generator and blade pitch angle control method thereof 有权
    风力涡轮发电机及其叶片俯仰角控制方法

    公开(公告)号:US08217524B2

    公开(公告)日:2012-07-10

    申请号:US12768329

    申请日:2010-04-27

    IPC分类号: F03D9/00 H02P9/04

    摘要: The present invention provides a wind turbine generator and a blade pitch angle control method thereof in which an aerodynamic imbalance of a wind turbine rotor at the time of shutdown is further reduced, the maximum load of a wind turbine is further reduced, and the wind turbine generator can be reduced in weight and cost. The wind turbine generator includes a collective pitch angle controller 11 that produces a collective pitch angle demand that is common to blade pitch angles of wind turbine blades, an individual pitch angle producing unit 13 that produces an individual pitch angle demand inherent in each wind turbine blade, multipliers 21 to 23 that multiply the individual pitch angle demand by the individual pitch angle gain; an individual pitch angle gain producing unit 14, and adder 24 to 26 that add collective pitch angle demands to the output of the multipliers 21 to 23 and supply the same to pitch actuators 31 to 33 inherent in the wind turbine blades. When shutdown is performed, the individual pitch angle gain is adjusted such that an individual pitch angle gain is reduced gradually and reaches to zero by the individual pitch angle gain producing unit 14 after first set time.

    摘要翻译: 本发明提供了一种风力发电机及其桨叶角度控制方法,其中进一步降低了风力涡轮机转子在停机时的空气动力学不平衡,进一步降低了风力涡轮机的最大负荷,风力涡轮机 发电机可以减轻重量和成本。 风力涡轮发电机包括一个共同桨距角控制器11,其产生与风力涡轮机叶片的桨叶桨距角共同的总桨距角度需求,单个俯仰角产生单元13,其产生每个风力涡轮机叶片中固有的各个桨距角度需求 ,乘法器21至23,其将各个俯仰角需求乘以各个桨距角增益; 单个桨距角增益产生单元14和加法器24至26,其将乘法器21至23的输出增加集体俯仰角要求,并将其提供给风力涡轮机叶片固有的俯仰致动器31至33。 当执行关闭时,调整各个俯仰角增益,使得各个俯仰角增益在第一设定时间之后由各个俯仰角增益产生单元14逐渐减小并达到零。

    Cleaning agent
    14.
    发明授权
    Cleaning agent 有权
    清洁剂

    公开(公告)号:US07956026B2

    公开(公告)日:2011-06-07

    申请号:US12663038

    申请日:2008-06-04

    摘要: The present invention herein provide a cleaning agent which comprises (A) an aqueous solution or an aqueous dispersion containing a linear poly(meth)acrylamide having an average molecular weight of not less than 5×106 as determined according to the intrinsic viscosity-determining technique in a concentration ranging from 0.0001 to 0.01% by mass; (B) a poly(hexamethylene-biguanide) hydrochloride represented by the following general formula (1); and (C) at least one compound selected from the group consisting of propylene glycol, dipropylene glycol, tripropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and ethers of ethylene glycol and propylene glycol with alcohols each having 1 to 3 carbon atoms, and esters thereof with fatty acids each having 1 to 3 carbon atoms, glycine and taurine: [—(CH2)m—NH—C(NH)—NH—C(NH)—NH—(CH2)n—]p.HCl  General Formula (1) wherein m and n each represent an integer ranging from 2 to 5 and p is an integer ranging from 5 to 16.

    摘要翻译: 本发明提供一种清洗剂,其包含(A)含有根据特性粘度测定技术测定的平均分子量不小于5×10 6的直链聚(甲基)丙烯酰胺的水溶液或水分散体 浓度范围为0.0001〜0.01质量%; (B)由以下通式(1)表示的聚(六亚甲基 - 双胍)盐酸盐; 和(C)至少一种选自丙二醇,二丙二醇,三丙二醇,二甘醇,三甘醇,四甘醇和乙二醇和丙二醇与各自具有1至3个碳原子的醇的醚, 和其酯与各自具有1至3个碳原子的脂肪酸,甘氨酸和牛磺酸:[ - (CH 2)m -NH-C(NH)-NH-C(NH)-NH-(CH 2)n - ] p.HCl 通式(1)其中m和n各自表示2至5的整数,p是5至16的整数。

    Method for reducing noise in a vehicle cabin
    15.
    发明授权
    Method for reducing noise in a vehicle cabin 有权
    降低车厢噪音的方法

    公开(公告)号:US07775320B2

    公开(公告)日:2010-08-17

    申请号:US12052385

    申请日:2008-03-20

    IPC分类号: F01N1/06

    摘要: A method of controlling noise from a six cylinder engine that can selectively use in separate operating modes either three cylinders, four cylinders, or all six cylinders, is provided that uses a noise cancellation system to provide a cancellation sound at a first frequency representative of the engine operating mode. When the vehicle changes, for example, from a three cylinder utilization mode to six cylinder utilization mode, the method extends the provision of the noise cancellation sound, at a frequency representative of three cylinder operation, beyond the time when three cylinder mode is changed to six cylinder mode. As a result, a residual “pop” noise associated with the vehicle exhaust, that is traditionally heard during the transition period is cancelled and no longer noticeable. The method also includes implementation of a waiting time before a providing cancellation sounds of different frequencies, to avoid amplitude mismatch.

    摘要翻译: 提供了一种控制来自六缸发动机的噪声的方法,其可以选择性地在三个气缸,四个气缸或全部六个气缸的分开的工作模式中使用,其使用噪声消除系统以代表第一频率的第一频率提供消除声音 发动机工作模式。 当车辆例如从三缸利用模式改变为六缸利用模式时,该方法将代表三缸操作的频率的噪声消除声音的提供延伸到三缸模式改变为 六缸模式。 结果,传统上在过渡期间听到的与车辆尾气相关联的残余的“流行”噪声被取消并且不再显着。 该方法还包括在提供不同频率的消除声音之前实现等待时间,以避免幅度失配。

    METHOD FOR REDUCING NOISE IN A VEHICLE CABIN
    16.
    发明申请
    METHOD FOR REDUCING NOISE IN A VEHICLE CABIN 有权
    减少车辆噪音的方法

    公开(公告)号:US20090236173A1

    公开(公告)日:2009-09-24

    申请号:US12052385

    申请日:2008-03-20

    IPC分类号: F01N1/06

    摘要: A method of controlling noise from a six cylinder engine that can selectively use in separate operating modes either three cylinders, four cylinders, or all six cylinders, is provided that uses a noise cancellation system to provide a cancellation sound at a first frequency representative of the engine operating mode. When the vehicle changes, for example, from a three cylinder utilization mode to six cylinder utilization mode, the method extends the provision of the noise cancellation sound, at a frequency representative of three cylinder operation, beyond the time when three cylinder mode is changed to six cylinder mode. As a result, a residual “pop” noise associated with the vehicle exhaust, that is traditionally heard during the transition period is cancelled and no longer noticeable. The method also includes implementation of a waiting time before a providing cancellation sounds of different frequencies, to avoid amplitude mismatch.

    摘要翻译: 提供了一种控制来自六缸发动机的噪声的方法,其可以选择性地在三个气缸,四个气缸或全部六个气缸的分开的工作模式中使用,其使用噪声消除系统以代表第一频率的第一频率提供消除声音 发动机工作模式。 当车辆例如从三缸利用模式改变为六缸利用模式时,该方法将代表三缸操作的频率的噪声消除声音的提供延伸到三缸模式改变为 六缸模式。 结果,传统上在过渡期间听到的与车辆尾气相关联的残余的“流行”噪声被取消并且不再显着。 该方法还包括在提供不同频率的消除声音之前实现等待时间,以避免幅度失配。

    Squirrel-cage rotor for induction motor
    19.
    发明授权
    Squirrel-cage rotor for induction motor 失效
    感应电动机用鼠笼式转子

    公开(公告)号:US5572080A

    公开(公告)日:1996-11-05

    申请号:US318885

    申请日:1995-01-06

    IPC分类号: H02K17/16 H02K7/16

    CPC分类号: H02K17/165

    摘要: A squirrel-cage rotor 10 includes a plurality of slots 16 for accommodating secondary conductors 18 along the outer circumferential surface of a laminated core 14 fixed to a rotor shaft 12. Each slot 16 is defined by a wall having a generally elliptical profile in which a maximum circumferential distance D is larger than a maximum radial distance d in a given section orthogonal to an axis and axially penetrates near the outer circumferential surface of the laminated core 14. The radial inner profile of the slot 16 has a shape in which the tangents on given two points adjacent to the radial innermost portion of each slot wall do not cross at an acute angle in a section orthogonal to the axis, in order to prevent a stress concentration.

    摘要翻译: PCT No.PCT / JP94 / 00301 Sec。 371 1995年1月6日第 102(e)日期1995年1月6日PCT 1994年2月24日PCT公布。 WO94 / 19858 PCT公开号 日期1994年9月1日鼠笼式转子10包括多个狭槽16,用于沿着固定到转子轴12的层叠铁心14的外圆周表面容纳次级导体18.每个槽16由具有一般 其中最大周向距离D大于垂直于轴线的给定截面中的最大径向距离d,并且在层叠铁心14的外圆周表面附近轴向穿透。椭圆形轮廓的槽16的径向内轮廓具有形状 其中相邻于每个槽壁的径向最内部分的给定两点上的切线在与轴正交的截面中不以锐角交叉,以便防止应力集中。

    Rotor for a high speed induction type AC motor having a press fit
stacked core
    20.
    发明授权
    Rotor for a high speed induction type AC motor having a press fit stacked core 失效
    用于具有压配合堆芯的高速感应式交流电动机的转子

    公开(公告)号:US5389847A

    公开(公告)日:1995-02-14

    申请号:US974588

    申请日:1993-02-25

    IPC分类号: H02K1/30 H02K17/16 H02K1/00

    CPC分类号: H02K17/165

    摘要: A rotor 14 for a high speed induction type ac motor having a construction such that the rotor is provided with an iron core 20 provided, at the periphery thereof, with a plurality of through-bores 22 in which electro-conductive rods 24 made of aluminum rod members are forcibly inserted in a press-fitting manner so as to form opposite projections from the axial opposite ends of the iron core 20, electro-conductive end rings 26 connected to the projections of the electro-conductive rods 24, and slitted pins 30 press-fit in small blind bores 32 formed in the projections of the electro-conductive rods 24 to thereby fixedly attach the electro-conductive rings 26 to the opposite end faces of the iron core 20.

    摘要翻译: PCT No.PCT / JP92 / 00814 Sec。 371日期:1993年2月25日 102(e)日期1993年2月25日PCT提交1992年6月26日PCT公布。 公开号WO93 / 00735 日本1993年1月7日。一种用于高速感应式交流电动机的转子14,其具有使得转子设置有铁芯20的结构,在其周边处设置有多个通孔22,其中电 由铝棒构件制成的导电杆24以压配合的方式强制插入,从而与铁芯20的轴向相对的端部形成相对的突出部,连接到导电的突起的导电端环26 杆24,并且切割销30压配合在形成在导电杆24的突起中的小盲孔32中,从而将导电环26固定地附接到铁芯20的相对端面。