会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 34. 发明申请
    • Soft magnetic material and method for producing the same
    • 软磁材料及其制造方法
    • US20070036669A1
    • 2007-02-15
    • US10570315
    • 2004-09-03
    • Haruhisa ToyodaRyoji Mizutani
    • Haruhisa ToyodaRyoji Mizutani
    • B22F7/00
    • B22F1/02B22F2003/023B22F2003/026B22F2998/10C22C33/0228H01F1/24H01F1/33H01F41/0246B22F1/0059B22F3/02B22F3/10
    • Disclosed are a soft magnetic material having an optimum electrical resistivity and a method for producing such a soft magnetic material. The soft magnetic material comprises a plurality of composite magnetic particles. Each of the composite magnetic particles comprises a metal magnetic particle and an insulating coating film which covers the surface of the metal magnetic particle and contains at least one substance selected from the group consisting of zirconium oxide, aluminum oxide and silicon oxide. The soft magnetic material has an electrical resistivity of not less than 3,000 μΩcm and not more than 50,000 μΩcm, and a magnetic permeability μ of not less than 2,000 and not more than 4,000. A method for producing such a soft magnetic material comprises a step for pressure forming a compaction by compressing a plurality of the composite magnetic particles and a step for subjecting the compaction to a first heat treatment at not less than 400° C. and not more than 900° C.
    • 公开了具有最佳电阻率的软磁性材料和制造这种软磁性材料的方法。 软磁性材料包括多个复合磁性颗粒。 复合磁性颗粒中的每一个都包括金属磁性颗粒和覆盖金属磁性颗粒的表面并且含有选自氧化锆,氧化铝和氧化硅中的至少一种物质的绝缘涂膜。 该软磁性材料的电阻率不低于3,000微克,不超过50,000微克,磁导率μ不小于2,000,不大于4000。 制造这种软磁性材料的方法包括通过压缩多个复合磁性颗粒来压缩形成压实的步骤和在不低于400℃并且不超过400℃的条件下对压实进行第一次热处理的步骤 900℃
    • 35. 发明授权
    • Stator of dynamo-electric machine
    • 发电机定子
    • US06218758B1
    • 2001-04-17
    • US09111380
    • 1998-07-07
    • Tetsuya MiuraYasutomo KwabataRyoji MizutaniTetsuya Sugimoto
    • Tetsuya MiuraYasutomo KwabataRyoji MizutaniTetsuya Sugimoto
    • H02K304
    • H02K3/18
    • A stator of a dynamo-electric machine which is capable of raising the space factor in each slot and which can easily be assembled incorporates first coil pieces, each of which has a width at the lower portion of the slot being smaller than the width at the upper portion of two slots; and second coil pieces arranged to be fitted to teeth adjacent to the tooth to which the first coil piece is fitted so as to be inserted into the empty space for filling the space. The first and second coil pieces are alternately inserted into the slots of the stator core. The empty space in the slot formed after the first coil piece has been inserted has sides extending parallel with the adjacent tooth or is gradually widened toward the upper portion of the slot. Therefore, the second coil piece can easily be inserted into the slot without interference with another member. Thus, the slots can be filled with the second coil pieces so that the space factor can be raised.
    • 发电机的定子能够提高每个槽中的空间因子并且可以容易地组装起来,其中包括第一线圈片,每个线圈片在槽的下部具有比在 两个槽的上部; 以及第二线圈片,被布置成装配到与所述第一线圈片所嵌合的齿相邻的齿上,以便插入到用于填充所述空间的所述空间中。 第一和第二线圈片交替插入定子芯的槽中。 在插入第一线圈件之后形成的槽中的空闲空间具有与相邻齿平行的侧面或者朝向槽的上部逐渐变宽。 因此,第二线圈片可以容易地插入到插槽中而不干扰另一个构件。 因此,可以用第二线圈片填充槽,从而可以提高空间系数。
    • 36. 发明授权
    • Servo motor control apparatus
    • 伺服电机控制装置
    • US5038090A
    • 1991-08-06
    • US416771
    • 1989-10-04
    • Yasutomo KawabataRyoji MizutaniHirosumi Suzuki
    • Yasutomo KawabataRyoji MizutaniHirosumi Suzuki
    • G05F1/70H02P27/04
    • H02P27/045G05F1/70G05B2219/34215G05B2219/37313G05B2219/41206G05B2219/42062G05B2219/42237
    • A servo motor control apparatus effecting a feedback control of a servo motor according to an external operation command. The apparatus includes: an operational running state detecting unit for detecting a running state of the servo motor; a memory unit in which data representing inter-relation values are stored; a current value computing unit for computing an appropriate drive current value for the external operation comand; and a driving unit for driving the servo motor according to the computed appropriate drive current value. By defining the inter-relation values in advance in accordance with operational states of the servo motor so that a drive power of the servo motor approximates a value indicated by the external operation command and specifying an inter-relation value corresponding to the detected operational state with reference to the defined inter-relations to compute the appropriate drive current value, it is possible to compensate a phase difference between a current command value and an actual current irrespective of the rotational speed; and improve the response of the control apparatus to decrease a time lag of an output torque and a microscopic fluctuation thereof.
    • 伺服电动机控制装置,根据外部动作指令进行伺服电动机的反馈控制。 该装置包括:运行状态检测单元,用于检测伺服电动机的运行状态; 存储表示相互关系值的数据的存储单元; 电流值计算单元,用于计算用于外部操作的适当的驱动电流值; 以及用于根据所计算的适当的驱动电流值来驱动伺服电动机的驱动单元。 通过根据伺服电动机的运转状态事先定义相互关系值,使得伺服电动机的驱动力近似于外部运转指令所表示的值,并指定与检测到的运转状态对应的相互关系值 参考所定义的相互关系以计算适当的驱动电流值,可以不考虑转速来补偿电流指令值和实际电流之间的相位差; 并且提高控制装置的响应以减小输出转矩的时滞和其微观波动。
    • 38. 发明授权
    • Electromagnetic rotary electric machine
    • 电磁旋转电机
    • US09124159B2
    • 2015-09-01
    • US13494556
    • 2012-06-12
    • Eiji YamadaRyoji MizutaniShintaro ChinenKenji HiramotoHideo Nakai
    • Eiji YamadaRyoji MizutaniShintaro ChinenKenji HiramotoHideo Nakai
    • H02K11/04H02K3/48H02K3/52H02K1/24H02K19/12
    • H02K3/527H02K1/24H02K19/12
    • A stator that includes stator windings wound around teeth. A rotor includes: a rotor core; rotor windings wound around main salient poles of the rotor; and a diode serving as a magnetic characteristic adjustment portion that causes magnetic characteristics produced on the main salient poles by electromotive forces induced in the rotor windings to differ in the circumferential direction of the rotor. The rotor has auxiliary salient poles that are each protruded from a side surface of each main salient pole in the circumferential direction. In each of rotor slots formed between the main salient poles adjacent to each other in the circumferential direction, the auxiliary salient poles adjacent to each other in the circumferential direction are connected to each other within the rotor slot. In each rotor slot, at least a portion of the rotor windings is disposed radially inside the auxiliary salient poles.
    • 一个定子,包括缠绕在牙齿上的定子绕组。 转子包括:转子芯; 转子绕组缠绕在转子的主凸极上; 以及用作磁特性调节部分的二极管,其通过在转子绕组中感应的电动势在主极极上产生的磁特性在转子的圆周方向上不同。 转子具有辅助凸极,每个主凸极在圆周方向上从每个主凸极的侧表面突出。 在形成在周向上彼此相邻的主凸极之间的各转子槽中,在圆周方向上彼此相邻的辅助凸极相互连接在转子槽内。 在每个转子槽中,转子绕组的至少一部分径向设置在辅助凸极内。
    • 39. 发明授权
    • Electric motor driving device and vehicle equipped with the same
    • 电动机驱动装置和车辆配备相同
    • US08896252B2
    • 2014-11-25
    • US13081040
    • 2011-04-06
    • Eiji YamadaRyoji MizutaniNobuyuki MatsuiTakashi Kosaka
    • Eiji YamadaRyoji MizutaniNobuyuki MatsuiTakashi Kosaka
    • H02P23/00H02P6/08B60L15/20
    • B60L15/20H02P6/085H02P23/009H02P2201/09H02P2201/11H02P2207/05Y02T10/644Y02T10/645Y02T10/7275
    • An electric motor driving device that drives an electric motor including a field winding, a rotor and a stator, wherein the rotor and the stator each form a field pole by passing a field current through the field winding, includes: a power supply device; a converter including a reactor that at least partially serves as the field winding shared with the electric motor, and configured to receive a voltage from the power supply device to carry out voltage conversion between first and second power lines and to pass the field current through the field winding during voltage conversion operation; an inverter configured to convert a direct-current power received from the converter to an alternating-current power for driving the electric motor; and a controller controlling the converter so that a current flows through the field winding in the same direction both during power running and regeneration of the electric motor.
    • 一种驱动包括励磁绕组,转子和定子的电动机的电动机驱动装置,其中,转子和定子通过励磁电流通过励磁绕组而形成场极,包括:电源装置; 转换器,包括至少部分地用作与电动机共享的励磁绕组的电抗器,并且被配置为从电源装置接收电压,以在第一和第二电力线之间进行电压转换,并使励磁电流通过 电压转换运行时励磁绕组; 逆变器,被配置为将从转换器接收的直流电力转换为用于驱动电动机的交流电力; 以及控制所述转换器的控制器,使得在电动机的动力运行和再生期间,电流在相同的方向上流过励磁绕组。