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    • 4. 发明授权
    • Reactor
    • 反应堆
    • US08614617B2
    • 2013-12-24
    • US13381679
    • 2010-07-16
    • Hiroyuki MitaniKyoji ZaitsuKenichi InoueOsamu OzakiHiroshi HashimotoHirofumi HojoKoji InoueEiichiro YoshikawaNaoya Fujiwara
    • Hiroyuki MitaniKyoji ZaitsuKenichi InoueOsamu OzakiHiroshi HashimotoHirofumi HojoKoji InoueEiichiro YoshikawaNaoya Fujiwara
    • H01F17/04H01F27/24
    • H01F37/00H01F3/14H01F27/2847
    • Provided is a reactor that enables high inductance to be generated with stability in a wide current range, while minimizing noise, processing cost, and eddy-current loss. The reactor (D1) has the ratio (t/W) of the width (W) to the thickness (t) of a conductive member that composes an air-core coil configured to be 1 or less, and preferably, 1/10 or less. Furthermore, the reactor also has the absolute value of a value ((L1−L2)/L3) that has had: the difference (L1−L2) between; the space interval (L1) between an inner wall face of a first core member (3) and an inner wall face of a second core member (4), at the innermost circumference position of the air-core coil (1); and the space (L2) between the inner wall face of the first core member (3) and the inner wall face of the second core member (4), at the outermost circumference position of the air-core coil (1); divided by an average value (L3); configured to be 1/50 or less. The ratio (R/W) of the radius (R), from the axis-center (O) of the air-core coil (1) to the outer circumference of the air-core coil (1), to the width (W) of the air-core coil (1) (conductive member), is 2=R/W=4.
    • 提供了一种能够在宽电流范围内稳定地产生高电感的电抗器,同时最小化噪声,处理成本和涡流损耗。 反应器(D1)的宽度(W)与构成为1以下的空芯线圈的导电部件的厚度(t)的比(t / W)优选为1/10, 减。 此外,反应器也具有以下的值((L1-L2)/ L3)的绝对值:其之间的差(L1-L2) 在空心线圈(1)的最内圆周位置处的第一芯构件(3)的内壁面与第二芯构件(4)的内壁面之间的空间间隔(L1); 和空心线圈(1)的最外圆周位置处的第一芯构件(3)的内壁面与第二芯构件(4)的内壁面之间的空间(L2)。 除以平均值(L3); 配置为1/50以下。 从空心线圈(1)的轴心(O)到空心线圈(1)的外周的半径(R)的比(R / W),宽度(W 空气芯线圈(1)(导电部件))为2 = R / W = 4。
    • 5. 发明申请
    • REACTOR
    • 反应堆
    • US20120105190A1
    • 2012-05-03
    • US13381679
    • 2010-07-16
    • Hiroyuki MitaniKyoji ZaitsuKenichi InoueOsamu OzakiHiroshi HashimotoHirofumi HojoKoji InoueEiichiro YoshikawaNaoya Fujiwara
    • Hiroyuki MitaniKyoji ZaitsuKenichi InoueOsamu OzakiHiroshi HashimotoHirofumi HojoKoji InoueEiichiro YoshikawaNaoya Fujiwara
    • H01F27/00
    • H01F37/00H01F3/14H01F27/2847
    • Provided is a reactor that enables high inductance to be generated with stability in a wide current range, while minimizing noise, processing cost, and eddy-current loss. The reactor (D1) has the ratio (t/W) of the width (W) to the thickness (t) of a conductive member that composes an air-core coil configured to be 1 or less, and preferably, 1/10 or less. Furthermore, the reactor also has the absolute value of a value ((L1−L2)/L3) that has had: the difference (L1−L2) between; the space interval (L1) between an inner wall face of a first core member (3) and an inner wall face of a second core member (4), at the innermost circumference position of the air-core coil (1); and the space (L2) between the inner wall face of the first core member (3) and the inner wall face of the second core member (4), at the outermost circumference position of the air-core coil (1); divided by an average value (L3); configured to be 1/50 or less. The ratio (R/W) of the radius (R), from the axis-center (O) of the air-core coil (1) to the outer circumference of the air-core coil (1), to the width (W) of the air-core coil (1) (conductive member), is 2=R/W=4.
    • 提供了一种能够在宽电流范围内稳定地产生高电感的电抗器,同时最小化噪声,处理成本和涡流损耗。 反应器(D1)的宽度(W)与构成为1以下的空芯线圈的导电部件的厚度(t)的比率(t / W)优选为1/10, 减。 此外,反应器也具有以下的值((L1-L2)/ L3)的绝对值:其之间的差(L1-L2) 在空心线圈(1)的最内圆周位置处的第一芯构件(3)的内壁面与第二芯构件(4)的内壁面之间的空间间隔(L1); 和空心线圈(1)的最外圆周位置处的第一芯构件(3)的内壁面与第二芯构件(4)的内壁面之间的空间(L2)。 除以平均值(L3); 配置为1/50以下。 从空心线圈(1)的轴心(O)到空心线圈(1)的外周的半径(R)的比(R / W),宽度(W 空气芯线圈(1)(导电部件))为2 = R / W = 4。
    • 7. 发明申请
    • BRUSHLESS DC MOTOR AND METHOD FOR CONTROLLING THE SAME
    • 无刷直流电动机及其控制方法
    • US20130200744A1
    • 2013-08-08
    • US13880052
    • 2011-10-04
    • Takeo MiyamuraKenichi InoueAkira TsutsuiHiroshi HashimotoHiroyuki MitaniKyoji Zaitsu
    • Takeo MiyamuraKenichi InoueAkira TsutsuiHiroshi HashimotoHiroyuki MitaniKyoji Zaitsu
    • H02K1/06H02K3/04H02P6/22
    • H02K1/06H02K1/02H02K3/04H02K19/06H02K19/12H02K19/14H02K2213/03H02P6/20H02P6/22
    • This brushless DC motor (1) is provided with a stator (3) having a main body (312, 322) disposed on both ends thereof in the rotational axis direction with a single exciting coil (2) disposed between the main bodies (312, 322), and with a rotor (4) disposed in the interior of the stator (3), wherein main body (312) is formed with a first magnetic core (31) and main body (322) is formed with a second magnetic core (32), the magnetic cores (31, 32) functioning as a magnetic pole and having protrusions (311, 321), the quantity of which being different for each magnetic core (31, 32). The brushless DC motor (1) uses, as the driving force, the variation in the magnetic resistance between the stator (3) and the rotor (4) in relation to the flow of the magnetic flux generated in the periphery of the exciting coil (2). The method for controlling the brushless DC motor (1) of the present invention is a method for controlling the abovementioned brushless DC motor (1) in which starting coils (5 (5a, 5b)) each having a rectifier cell (52 (52a, 52b)) are disposed on the periphery of protrusion (321), wherein the rectifier cells (52) of the starting coils (5) impart, to the exciting coil (2), a pulse current having a polarity corresponding to the intended rotational direction, and having a start-up time and wave height that are sufficient for turning on.
    • 该无刷直流电动机(1)具有定子(3),该定子(3)具有主体(312,322),其主体(312,322)设置在主体(312,322)的主体(312,322)的旋转轴方向的两端, 322),并且配置在定子(3)的内部的转子(4),其中主体(312)形成有第一磁芯(31),主体(322)形成有第二磁芯 (32),用作磁极并具有突出部(311,321)的磁芯(31,32),其数量对于每个磁芯(31,32)而言是不同的。 作为驱动力,无刷直流电动机1相对于在励磁线圈周围产生的磁通的流动使用定子(3)和转子(4)之间的磁阻的变化( 2)。 本发明的无刷直流电动机(1)的控制方法是一种控制上述无刷直流电动机(1)的方法,其中,具有整流电池(52(52a,5b) 52b))设置在突起(321)的周围,其中起动线圈(5)的整流电池(52)向励磁线圈(2)施加具有与期望的旋转方向对应的极性的脉冲电流 并且具有足以开启的起动时间和波高。