公开(公告)号：US20090261793A1

公开(公告)日：2009-10-22

申请号：US12439829

申请日：2007-05-31

申请人： Takahiro Urakabe ,  Matahiko Ikeda ,  Akihiko Iwata ,  Kiyoharu Anzai ,  Hirotoshi Maekawa ,  Toshiyuki Kikunaga ,  Masaru Kobayashi ,  Tatsuya Okuda

发明人： Takahiro Urakabe ,  Matahiko Ikeda ,  Akihiko Iwata ,  Kiyoharu Anzai ,  Hirotoshi Maekawa ,  Toshiyuki Kikunaga ,  Masaru Kobayashi ,  Tatsuya Okuda

IPC分类号： G05F1/10

CPC分类号： H02J7/0016 ,  H02M3/158 ,  H02M2001/0077

摘要： Three or more circuits, in which series-connected low-voltage and high-voltage side switches including MOSFETs including parasitic diodes are connected across positive and negative terminals of each of smoothing capacitors, are connected in series. One of elementary series circuits, each including a capacitor and an inductor, is disposed between any adjacent two of the circuits with the elementary series circuits set to have the same period of resonance. The MOSFETs of rectifier circuits are brought into an ON state simultaneously with the MOSFETs of a driving inverter circuit and brought into an OFF state earlier than the MOSFETs of the driving inverter circuit by a period of time not exceeding a time period equal to (period of resonance)/2. A resonance phenomenon of the capacitor and the inductor is used and conduction loss in the rectifier circuits is reduced in DC/DC power conversion performed through charging and discharging operation of the capacitor.

摘要翻译： 将包括寄生二极管在内的串联连接的低压侧和高压侧开关的三个以上的电路串联连接在各平滑电容器的正端子和负极端子之间。 每个包括电容器和电感器的基本串联电路之一被布置在任何相邻的两个电路之间，其中基本串联电路被设置为具有相同的谐振周期。 整流电路的MOSFET与驱动逆变器电路的MOSFET同时处于导通状态，比驱动用逆变器电路的MOSFET低一段时间，不超过等于（时间段 共振）/ 2。 使用电容器和电感器的共振现象，并且通过电容器的充放电操作进行的DC / DC功率转换，整流电路的导通损耗降低。

公开(公告)号：US20080252145A1

公开(公告)日：2008-10-16

申请号：US12059109

申请日：2008-03-31

申请人： Takahiro URAKABE ,  Matahiko Ikeda ,  Masaru Kobayashi ,  Akihiko Iwata ,  Tatsuya Okuda ,  Hirotoshi Maekawa ,  Toshiyuki Kikunaga

发明人： Takahiro URAKABE ,  Matahiko Ikeda ,  Masaru Kobayashi ,  Akihiko Iwata ,  Tatsuya Okuda ,  Hirotoshi Maekawa ,  Toshiyuki Kikunaga

IPC分类号： H02M3/28

CPC分类号： H02M3/33569 ,  H02M2001/0077 ,  H02M2003/1586 ,  Y10T307/675

摘要： A DC/DC power conversion device includes n-stage circuits comprised of an inverter circuit for driving which is connected between positive terminals and negative terminals of smoothing capacitors, and a rectifier circuit which is connected between positive terminals and negative terminals of smoothing capacitors; a first circuit corresponding to at least one among the n-stage circuits and configured by connecting in parallel cell circuits of m, second circuits corresponding to a plurality of remaining circuits of (n−1) among the n-stage circuits; capacitors for energy transfer connected between middle points of the cell circuits and middle points of the second circuits; and column circuits of m comprised of the cell circuits, the second circuits and the capacitors for energy transfer, wherein the middle points are contact points of high voltage sided elements and low voltage sided elements of the cell circuits and the second circuits; and driving signals for driving the respective column circuits have the same driving cycle and are out of phase with each other.

摘要翻译： DC / DC电力转换装置包括n级电路，其包括连接在平滑电容器的正极端子和负极端子之间的用于驱动的​​反相器电路，以及连接在平滑电容器的正极端子和负极端子之间的整流电路; 对应于n级电路中的至少一个的第一电路，并且通过将与n级电路中的（n-1）的多个剩余电路相对应的m个第二电路的并行单元电路连接而构成; 连接在电池电路的中点和第二电路的中点之间的用于能量传输的电容器; 以及由单元电路，第二电路和用于能量传递的电容器组成的m的列电路，其中中点是单元电路和第二电路的高压侧元件和低压侧元件的接触点; 并且用于驱动各个列电路的驱动信号具有相同的驱动周期并且彼此异相。

公开(公告)号：US5818170A

公开(公告)日：1998-10-06

申请号：US400332

申请日：1995-03-07

申请人： Toshiyuki Kikunaga ,  Hiroyuki Asano

发明人： Toshiyuki Kikunaga ,  Hiroyuki Asano

IPC分类号： H01J23/075 ,  H01J23/10 ,  H01J23/20 ,  H01J23/34 ,  H01J25/00 ,  H01J25/02 ,  H01J23/08

CPC分类号： H01J23/10 ,  H01J23/075 ,  H01J23/34 ,  H01J25/025

摘要： A gyrotron system comprises an electron gun that produces an electron beam, a magnetic field generating unit comprising a permanent magnet and two electromagnets and capable of generating an axial magnetic field that drives electrons emitted from the electron gun for revolving motion, a cavity resonator that causes cyclotron resonance maser interaction between the revolving electrons and a high-frequency electromagnetic field resonating in a natural mode, a collector for collecting the electron beam traveled through the cavity resonator, and an output window through which a high-frequency wave produced by the cyclotron resonance maser interaction propagates. The gyrotron system can be fabricated at a comparatively low cost, is easy to operate, has a comparatively small size and is capable of operating at a comparatively low running cost.

摘要翻译： 陀螺仪系统包括产生电子束的电子枪，包括永磁体和两个电磁体的磁场产生单元，并且能产生驱动电子枪发射的电子的旋转运动的轴向磁场，引起 旋转电子之间的回旋共振与激光器之间的相互作用以及以自然模式谐振的高频电磁场，用于收集通过空腔谐振器行进的电子束的集电体和通过回旋共振产生的高频波的输出窗 maser互动传播。 陀螺仪系统可以以相对低的成本制造，易于操作，具有相对小的尺寸并且能够以较低的运行成本运行。

公开(公告)号：US5576679A

公开(公告)日：1996-11-19

申请号：US547343

申请日：1995-10-24

申请人： Ken Ohashi ,  Takeo Takada ,  Toshiyuki Kikunaga

发明人： Ken Ohashi ,  Takeo Takada ,  Toshiyuki Kikunaga

IPC分类号： H01J23/10 ,  H01F7/02

CPC分类号： H01J23/10 ,  H01J2225/025

摘要： The invention provides a cylindrical permanent magnet unit suitable for application to gyrotrons. Essentially the magnet unit consists of two cylindrical permanent magnets which are coaxially aligned, and there is a space between the two cylindrical magnets. Each of the two cylindrical magnet is a coaxially juxtaposed assembly of a plurality of ring-like permanent magnets, and each ring-like magnet is constructed of a plurality of permanent magnet segments. In one of the two cylindrical magnets every ring-like permanent magnet is magnetized in radial directions from the inside toward the outside, and in the other every ring-like permanent magnet is magnetized in radial directions from the outside toward the inside. In the bore of the cylindrical magnet unit the magnetic field is in the direction of the longitudinal center axis of the bore. By virtue of the space between the two cylindrical magnets, the distribution of flux density in the direction of the center axis becomes flat in a middle section of the bore. A ring-like member of a nonmagnetic material may be inserted in the aforementioned space.

摘要翻译： 本发明提供一种适用于旋转陀螺仪的圆柱形永久磁铁单元。 本质上，磁体单元由同轴对准的两个圆柱形永磁体组成，并且在两个圆柱形磁体之间存在空间。 两个圆柱形磁体中的每一个是多个环形永磁体的同轴并置的组件，并且每个环形磁体由多个永磁体段构成。 在两个圆柱形磁体之一中，每个环形永久磁铁从内向外被径向磁化，而另一个环形永久磁铁从外侧到内侧沿径向方向磁化。 在圆柱形磁体单元的孔中，磁场在孔的纵向中心轴线的方向上。 由于两个圆柱形磁体之间的空间，在孔的中间部分中的磁心密度在中心轴线方向上的分布变得平坦。 可以在上述空间中插入非磁性材料的环状构件。

公开(公告)号：US20070080659A1

公开(公告)日：2007-04-12

申请号：US10584953

申请日：2005-02-02

申请人： Takahiro Urakabe ,  Tatsuya Okuda ,  Toshiyuki Kikunaga ,  Yuuji Kuramoto

发明人： Takahiro Urakabe ,  Tatsuya Okuda ,  Toshiyuki Kikunaga ,  Yuuji Kuramoto

IPC分类号： G05B11/28

CPC分类号： H02M7/48 ,  H02M2001/007 ,  H02P2201/07

摘要： A motor driving apparatus makes a carrier signal of an inverter be synchronized with a carrier signal of a DC/DC converter, and determines a phase difference between both the carrier signals based on a ratio of an input voltage inputted to the DC/DC converter and an input voltage inputted to the inverter, and a percentage of modulation and a power factor which are operation parameters of the inverter. When the frequency of the carrier signal of the DC/DC converter is set to be twice as high as that of the carrier signal of the inverter, an optimal phase difference is determined based on the ratio of the input voltage of the DC/DC converter and the input voltage of the inverter.

摘要翻译： 马达驱动装置使逆变器的载波信号与DC / DC转换器的载波信号同步，并且基于输入到DC / DC转换器的输入电压的比率和 输入到逆变器的输入电压以及作为逆变器的运算参数的调制百分比和功率因数。 当DC / DC转换器的载波信号的频率设置为逆变器的载波信号的两倍时，基于DC / DC转换器的输入电压的比率来确定最佳相位差 和变频器的输入电压。

公开(公告)号：US07348739B2

公开(公告)日：2008-03-25

申请号：US10584953

申请日：2005-02-02

申请人： Takahiro Urakabe ,  Tatsuya Okuda ,  Toshiyuki Kikunaga ,  Yuuji Kuramoto

发明人： Takahiro Urakabe ,  Tatsuya Okuda ,  Toshiyuki Kikunaga ,  Yuuji Kuramoto

IPC分类号： H02P1/18

CPC分类号： H02M7/48 ,  H02M2001/007 ,  H02P2201/07

摘要： A motor driving apparatus makes a carrier signal of an inverter be synchronized with a carrier signal of a DC/DC converter, and determines a phase difference between both the carrier signals based on a ratio of an input voltage inputted to the DC/DC converter and an input voltage inputted to the inverter, and a percentage of modulation and a power factor which are operation parameters of the inverter. When the frequency of the carrier signal of the DC/DC converter is set to be twice as high as that of the carrier signal of the inverter, an optimal phase difference is determined based on the ratio of the input voltage of the DC/DC converter and the input voltage of the inverter.

摘要翻译： 马达驱动装置使逆变器的载波信号与DC / DC转换器的载波信号同步，并且基于输入到DC / DC转换器的输入电压的比率和 输入到逆变器的输入电压以及作为逆变器的运算参数的调制百分比和功率因数。 当DC / DC转换器的载波信号的频率设置为逆变器的载波信号的两倍时，基于DC / DC转换器的输入电压的比率来确定最佳相位差 和变频器的输入电压。

公开(公告)号：US06836006B2

公开(公告)日：2004-12-28

申请号：US09447945

申请日：1999-11-29

申请人： Hirotaka Muto ,  Takeshi Ohi ,  Takumi Kikuchi ,  Toshiyuki Kikunaga

发明人： Hirotaka Muto ,  Takeshi Ohi ,  Takumi Kikuchi ,  Toshiyuki Kikunaga

IPC分类号： H01L2302

CPC分类号： H01L25/18 ,  H01L24/33 ,  H01L24/34 ,  H01L24/37 ,  H01L24/73 ,  H01L25/074 ,  H01L2224/0603 ,  H01L2224/37147 ,  H01L2224/3718 ,  H01L2224/37599 ,  H01L2224/45124 ,  H01L2224/4809 ,  H01L2224/48091 ,  H01L2224/48137 ,  H01L2224/48227 ,  H01L2224/48472 ,  H01L2224/49111 ,  H01L2224/49175 ,  H01L2224/73265 ,  H01L2224/83801 ,  H01L2224/8485 ,  H01L2924/01004 ,  H01L2924/01005 ,  H01L2924/01006 ,  H01L2924/01013 ,  H01L2924/01019 ,  H01L2924/01029 ,  H01L2924/01033 ,  H01L2924/01039 ,  H01L2924/01042 ,  H01L2924/01047 ,  H01L2924/01058 ,  H01L2924/01082 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/13091 ,  H01L2924/181 ,  H01L2924/19107 ,  H01L2924/351 ,  H01L2924/00014 ,  H01L2924/00

摘要： In an IGBT module which contains an IGBT device and a diode device connected to each other and accommodated in a case and which radiates heat generated in operation through a radiation board, an object is to reduce the area of the module in the lateral direction to achieve size reduction. The collector electrode surface of an IGBT device is provided on a radiation board, and an element connecting conductor is bonded with conductive resin on the emitter electrode surface. The anode electrode surface of a diode device is bonded on it with the conductive resin. The IGBT device and the diode device are thus stacked and connected in the vertical direction.

摘要翻译： 在包含IGBT器件和二极管器件的IGBT模块中，其彼此连接并容纳在壳体中并且通过辐射板辐射在工作中产生的热量，其目的是减小模块在横向上的面积以实现 尺寸缩小。 IGBT器件的集电极表面设置在辐射板上，元件连接导体与发射极电极表面上的导电树脂结合。 二极管器件的阳极电极表面与导电树脂接合在其上。 因此，IGBT器件和二极管器件在垂直方向上堆叠并连接。

公开(公告)号：US06236110B1

公开(公告)日：2001-05-22

申请号：US09537401

申请日：2000-03-29

申请人： Hirotaka Muto ,  Toshiyuki Kikunaga ,  Takeshi Ohi ,  Shin-ichi Kinouchi ,  Takeshi Horiguchi ,  Osamu Usui ,  Tatsuya Okuda

发明人： Hirotaka Muto ,  Toshiyuki Kikunaga ,  Takeshi Ohi ,  Shin-ichi Kinouchi ,  Takeshi Horiguchi ,  Osamu Usui ,  Tatsuya Okuda

IPC分类号： H01L2334

CPC分类号： H01L24/48 ,  G01R1/20 ,  H01L23/62 ,  H01L23/645 ,  H01L24/45 ,  H01L24/49 ,  H01L2224/0603 ,  H01L2224/45124 ,  H01L2224/48091 ,  H01L2224/48095 ,  H01L2224/48137 ,  H01L2224/48139 ,  H01L2224/48227 ,  H01L2224/48472 ,  H01L2224/48699 ,  H01L2224/49111 ,  H01L2224/49175 ,  H01L2924/00014 ,  H01L2924/01005 ,  H01L2924/01006 ,  H01L2924/01014 ,  H01L2924/01023 ,  H01L2924/01028 ,  H01L2924/01029 ,  H01L2924/0103 ,  H01L2924/01074 ,  H01L2924/014 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/1306 ,  H01L2924/13091 ,  H01L2924/16152 ,  H01L2924/19043 ,  H01L2924/19107 ,  H01L2924/30107 ,  H01L2924/3011 ,  H01L2924/00 ,  H01L2924/00012 ,  H01L2224/85399 ,  H01L2224/05599

摘要： A current detecting sensor includes parallel flat plates opposed in a substantially U-shape in cross-section. Since the flat plates are opposed to each other, the current detecting sensor has reduced inductance, significantly decreasing frequency dependency of outputs from detection terminals.

摘要翻译： 电流检测传感器包括在大致U形截面上相对的平行平板。 由于平板彼此相对，因此电流检测传感器具有降低的电感，显着降低了来自检测端子的输出的频率依赖性。

公开(公告)号：US06215185B1

公开(公告)日：2001-04-10

申请号：US09456403

申请日：1999-12-08

申请人： Takumi Kikuchi ,  Hirofumi Fujioka ,  Toshiyuki Kikunaga ,  Hirotaka Muto ,  Shinichi Kinouchi ,  Osamu Usui ,  Takeshi Ohi

发明人： Takumi Kikuchi ,  Hirofumi Fujioka ,  Toshiyuki Kikunaga ,  Hirotaka Muto ,  Shinichi Kinouchi ,  Osamu Usui ,  Takeshi Ohi

IPC分类号： H01L2348

CPC分类号： H01L24/72 ,  H01L23/49579 ,  H01L24/37 ,  H01L24/40 ,  H01L24/45 ,  H01L24/48 ,  H01L2224/37599 ,  H01L2224/45124 ,  H01L2224/48091 ,  H01L2224/48491 ,  H01L2224/48699 ,  H01L2224/73265 ,  H01L2224/83801 ,  H01L2924/00014 ,  H01L2924/01005 ,  H01L2924/01006 ,  H01L2924/01013 ,  H01L2924/01028 ,  H01L2924/01029 ,  H01L2924/01042 ,  H01L2924/01047 ,  H01L2924/01078 ,  H01L2924/01079 ,  H01L2924/014 ,  H01L2924/1301 ,  H01L2924/13033 ,  H01L2924/1305 ,  H01L2924/13055 ,  H01L2924/13091 ,  H01L2924/351 ,  H01L2924/00 ,  H01L2224/37099 ,  H01L2224/85399 ,  H01L2224/05599

摘要： An object is to obtain long-term reliability of an electric connection in a power semiconductor module. In a power semiconductor module, the main circuit interconnection directly connected to a power semiconductor chip (3) is formed of a busbar (6) and the power semiconductor chip (3) and the busbar electrode (6a) of the busbar (6) are electrically connected through a conductive resin (12). A member (13) having lower thermal expansion than the busbar electrode (6a) is joined to the busbar electrode (6a) in the part adjacent to said power semiconductor chip (3).

摘要翻译： 目的在于获得功率半导体模块中的电连接的长期可靠性。 在功率半导体模块中，直接连接到功率半导体芯片（3）的主电路互连由母线（6）和母线（6）的功率半导体芯片（3）和母线电极（6a）形成 通过导电树脂（12）电连接。 具有比母线电极（6a）低的​​热膨胀的部件（13）在与所述功率半导体芯片（3）相邻的部分中与汇流条电极（6a）接合。