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21 条记录 (耗时 0.011 秒)

    Linear motor and X-Y stage
    1.
    发明申请
    Linear motor and X-Y stage 失效
    线性电机和X-Y级

    公开(公告)号：US20050104454A1

    公开(公告)日：2005-05-19

    申请号：US10920450

    申请日：2004-08-18

    申请人： Houng Kim ,  Keijiro Sakai ,  Hitoshi Shibata

    发明人： Houng Kim ,  Keijiro Sakai ,  Hitoshi Shibata

    IPC分类号： H02K41/00 ,  H02K41/02 ,  H02K41/03

    CPC分类号： H02K41/03 ,  H02K2201/18

    摘要： A linear motor for generating a linear motion in a linear direction, has a plurality of first members, each of which includes an electromagnetic coil for generating a first magnetic field, and a magnetic core (magnetically permeable) having magnetic surfaces being opposite to each other so that the first magnetic field passes a space between the magnetic surfaces, and a second member arranged in the spaces to be relatively movable linearly with respect to a combination of the first members to generate the linear motion in the linear direction, and including a magnet polarized in a polarizing direction to generate a second magnetic field.

    摘要翻译： 用于在线性方向上产生线性运动的线性电动机具有多个第一构件，每个第一构件包括用于产生第一磁场的电磁线圈和具有彼此相对的磁性表面的磁芯（磁性可渗透） 使得第一磁场通过磁性表面之间的空间，并且布置在空间中的第二构件相对于第一构件的组合线性地相对移动以在线性方向上产生线性运动，并且包括磁体 偏振方向偏振以产生第二磁场。

    Control system for induction motor using inverter for AC power supply
    3.
    发明授权
    Control system for induction motor using inverter for AC power supply 失效
    用于交流电源的异步电动机控制系统

    公开(公告)号：US4420718A

    公开(公告)日：1983-12-13

    申请号：US326809

    申请日：1981-12-02

    申请人： Keijiro Sakai ,  Yasuo Matsuda ,  Mitsuyuki Honbu

    发明人： Keijiro Sakai ,  Yasuo Matsuda ,  Mitsuyuki Honbu

    IPC分类号： H02P27/06 ,  H02P5/40

    CPC分类号： H02P27/06 ,  H02P27/047

    摘要： An control system for an induction motor driven by an AC output of variable frequency and voltage produced from an inverter which converts DC power obtained by a converter through conversion of AC power having constant voltage and constant frequency. The system comprises means for estimating the power factor of the induction motor from an input current to the inverter, means for controlling the voltage of the AC output from the inverter when the estimated power factor is outside a predetermined range, and means for restricting the control of the AC output voltage to prevent the ratio between the AC output voltage and the AC output frequency from exceeding a predetermined range.

    摘要翻译： 一种感应电动机的控制系统，由变频器产生的可变频率和电压的交流输出驱动，该转换器通过转换具有恒定电压和恒定频率的交流电源转换由转换器获得的直流电力。 该系统包括用于从输入电流向逆变器估计感应电动机的功率因数的装置，用于在估计功率因数超出预定范围时控制来自逆变器的AC输出的电压的装置，以及用于限制控制的装置 的交流输出电压，以防止AC输出电压和AC输出频率之间的比例超过预定范围。

    Linear motor and X-Y stage
    4.
    发明授权
    Linear motor and X-Y stage 失效
    线性电机和X-Y级

    公开(公告)号：US07250696B2

    公开(公告)日：2007-07-31

    申请号：US10920450

    申请日：2004-08-18

    申请人： Houng Joong Kim ,  Keijiro Sakai ,  Hitoshi Shibata

    发明人： Houng Joong Kim ,  Keijiro Sakai ,  Hitoshi Shibata

    IPC分类号： H02K41/03

    CPC分类号： H02K41/03 ,  H02K2201/18

    摘要： A linear motor for generating a linear motion in a linear direction, has a plurality of first members, each of which includes an electromagnetic coil for generating a first magnetic field, and a magnetic core (magnetically permeable) having magnetic surfaces being opposite to each other so that the first magnetic field passes a space between the magnetic surfaces, and a second member arranged in the spaces to be relatively movable linearly with respect to a combination of the first members to generate the linear motion in the linear direction, and including a magnet polarized in a polarizing direction to generate a second magnetic field.

    摘要翻译： 用于在线性方向上产生线性运动的线性电动机具有多个第一构件，每个第一构件包括用于产生第一磁场的电磁线圈和具有彼此相对的磁性表面的磁芯（磁性可渗透） 使得第一磁场通过磁性表面之间的空间，并且布置在空间中的第二构件相对于第一构件的组合线性地相对移动以在线性方向上产生线性运动，并且包括磁体 偏振方向偏振以产生第二磁场。

    Linear drive apparatus having cores and coils which are positioned on opposite sides of the cores
    7.
    发明授权
    Linear drive apparatus having cores and coils which are positioned on opposite sides of the cores 有权
    具有芯和线圈的线性驱动装置，其位于芯的相对侧

    公开(公告)号：US07777371B2

    公开(公告)日：2010-08-17

    申请号：US11298747

    申请日：2005-12-12

    申请人： Houng Joong Kim ,  Kohji Maki ,  Hisao Tadokoro ,  Hideki Shimane ,  Hitoshi Shibata ,  Keijiro Sakai

    发明人： Houng Joong Kim ,  Kohji Maki ,  Hisao Tadokoro ,  Hideki Shimane ,  Hitoshi Shibata ,  Keijiro Sakai

    IPC分类号： H02K41/03

    CPC分类号： H02K41/03

    摘要： The conventional linear drive apparatus has the problem that in constructing a linear motor of a multiphase structure by connecting a plurality of armature units, the length of the armature becomes longer in proportion to the number of the phases, thus limiting the locations where the apparatus can be installed. The problem is solved by a linear drive apparatus comprising a plurality of armature units 3 formed by a magnetic material on which a conductor coil 4 is disposed, and an armature comprising an arrangement of the armature units 3. The armature units 3 comprise a plurality of opposing portions having opposing magnetic pole teeth. The magnetic pole teeth of adjacent opposing portions are arranged in an interdigitated manner. A secondary member 6 is disposed between magnetic pole teeth of the opposing portions. The armature units 3 comprise the coil 4 arranged on opposite sides thereof in an alternating manner.

    摘要翻译： 传统的线性驱动装置的问题是，通过连接多个电枢单元来构造多相结构的线性电动机，电枢的长度与相位数成比例地变长，从而限制了装置可以 安装。 该问题是通过一种线性驱动装置来解决的，该线性驱动装置包括由其上设置有导体线圈4的磁性材料形成的多个电枢单元3和包括电枢单元3的布置的电枢。电枢单元3包括多个 相对的部分具有相对的磁极齿。 相邻的相对部分的磁极齿以交叉的方式排列。 第二构件6设置在相对部分的磁极齿之间。 电枢单元3包括以交替方式布置在其相对侧上的线圈4。

    Inverter apparatus
    8.
    发明授权
    Inverter apparatus 有权
    变频器

    公开(公告)号：US06844700B2

    公开(公告)日：2005-01-18

    申请号：US10614179

    申请日：2003-07-08

    申请人： Keijiro Sakai ,  Toshiaki Okuyama ,  Kinya Nakatsu ,  Hiroyuki Tomita ,  Junji Kato ,  Teiichi Furukawa

    发明人： Keijiro Sakai ,  Toshiaki Okuyama ,  Kinya Nakatsu ,  Hiroyuki Tomita ,  Junji Kato ,  Teiichi Furukawa

    IPC分类号： H02P23/00 ,  H02P1/16 ,  H02P21/00 ,  H02P27/04 ,  H02P7/42

    CPC分类号： H02P1/16 ,  H02P21/34

    摘要： An inverter apparatus for converting a DC power converted from an input AC power to an output AC power of a variable frequency and a variable electric power to drive an induction motor at a variable speed. The inverter apparatus includes a rectifying unit, a filter capacitor, an inverter unit having an input connected across the filter capacitor, an input current detector and a gate circuitry for driving the inverter unit. An excitation current detection unit detects an excitation current of the induction motor from an output signal of the input current detector, a gate signal for driving the gate circuitry and a reference phase command. A setting unit sets a limitation level of the excitation current, a torque boost voltage command unit produces a torque boost voltage command, and a torque boost voltage compensation unit changes the torque boost voltage command so that the detected excitation current value is smaller than or equal to the limitation level.

    摘要翻译： 一种逆变器装置，用于将从输入AC电力转换的DC电力转换为可变频率和可变电力的输出AC电力，以可变速度驱动感应电动机。 逆变器装置包括整流单元，滤波电容器，具有连接在滤波电容器两端的输入端的反相器单元，输入电流检测器和用于驱动逆变单元的门电路。 励磁电流检测单元根据输入电流检测器的输出信号，用于驱动门电路的栅极信号和基准相位指令来检测感应电动机的励磁电流。 设定单元设定励磁电流的限制电平，转矩提升电压指令单元产生转矩提升电压指令，转矩提升电压补偿单元改变转矩提升电压指令，使检测出的励磁电流值小于等于 到限制级别。

    Inverter apparatus
    9.
    发明授权
    Inverter apparatus 有权
    变频器

    公开(公告)号：US06741063B2

    公开(公告)日：2004-05-25

    申请号：US10099973

    申请日：2002-03-19

    申请人： Keijiro Sakai ,  Toshiaki Okuyama ,  Kinya Nakatsu ,  Hiroyuki Tomita ,  Junji Kato ,  Teiichi Furukawa

    发明人： Keijiro Sakai ,  Toshiaki Okuyama ,  Kinya Nakatsu ,  Hiroyuki Tomita ,  Junji Kato ,  Teiichi Furukawa

    IPC分类号： H02P763

    CPC分类号： H02P1/16 ,  H02P21/34

    摘要： Induction voltage command Em* is obtained from inverter's primary frequency command &ohgr;1* and torque boost voltage commander produces torque boost voltage command &Dgr;Vz* in accordance with &ohgr;1* while integrator produces reference phase command &thgr;d*. uvw/dq converter detects motor excitation current Id (equivalent of no-load current). Next, deviation of excitation current limitation level command Idmax* and detected Id is inputted to limiter processing unit to produce torque boost voltage compensation value &Dgr;Vc for varying &Dgr;Vz* so that Id is smaller than or equal to Idmax*. Inverted &Dgr;Vz* is set up as a lower limiter value of the limiter processing unit. Next, &Dgr;Vc and &Dgr;Vz* are added to produce final compensated torque boost voltage command &Dgr;Vt* and &Dgr;Vt* and Em* are added to produce q-axis voltage command Vq* of the inverter output voltage.

    摘要翻译： 感应电压指令Em *从变频器的主要频率指令ω1*获得，而转矩提升电压指令器根据ω1*产生转矩提升电压指令DeltaVz *，而积分器产生参考相位指令。 uvw / dq转换器检测电机励磁电流Id（等效空载电流）。 接下来，将励磁电流限制电平指令Idmax *和检测到的Id的偏差输入到限幅器处理单元，以产生用于改变DeltaVz *的转矩提升电压补偿值DeltaVc，使得Id小于或等于Idmax *。 反相DeltaVz *设置为限幅器处理单元的下限值。 接下来，增加DeltaVc和DeltaVz *以产生最终补偿的转矩提升电压命令DeltaVt *和DeltaVt *和Em *以产生逆变器输出电压的q轴电压指令Vq *。

    Inverter device
    10.
    发明授权
    Inverter device 有权
    变频器

    公开(公告)号：US06496397B2

    公开(公告)日：2002-12-17

    申请号：US09826857

    申请日：2001-04-06

    申请人： Keijiro Sakai ,  Toshiaki Okuyama ,  Kinya Nakatsu ,  Seiji Ishida ,  Hiroshi Fujii ,  Junji Kato ,  Masahiro Hiraga

    发明人： Keijiro Sakai ,  Toshiaki Okuyama ,  Kinya Nakatsu ,  Seiji Ishida ,  Hiroshi Fujii ,  Junji Kato ,  Masahiro Hiraga

    IPC分类号： H02M7537

    CPC分类号： H02M7/48 ,  H02M7/53875 ,  H02P27/08

    摘要： An inverter device has a three-phase inverter for converting DC electric power into AC power for supplement to an AC electric motor and a control device operatively associated therewith, and the control device includes a phase current detection section for outputting a phase current waveform based on a DC input current and an operational processor section for performing operational processing for control of said inverter device based on the phase current waveform. Thereby, the inverter device can be constructed to be very compact.

    摘要翻译： 逆变器装置具有三相逆变器，用于将直流电力转换为交流电，以补充交流电动机和与其可操作地相关联的控制装置，并且控制装置包括相电流检测部分，用于输出基于 直流输入电流和操作处理器部分，用于基于相电流波形执行用于控制所述逆变器装置的操作处理。 因此，逆变器装置可以被构造成非常紧凑。