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    • 1. 发明授权
    • Battery voltage detector
    • 电池电压检测器
    • US06462510B1
    • 2002-10-08
    • US09786342
    • 2001-03-09
    • Masahiro TakadaKazuhiko TamesueYuji Torii
    • Masahiro TakadaKazuhiko TamesueYuji Torii
    • H02J700
    • B60L11/1864B60L11/1848B60L11/1866G01R19/16542Y02T10/7005Y02T10/7061Y02T10/7072Y02T90/121Y02T90/128Y02T90/14Y02T90/163Y02T90/169Y04S30/14
    • A battery power source device is composed of a plurality of battery modules, in which each battery module includes a number of serially connected cells. A voltage detection circuit is associated with each battery module. Each voltage detection circuit includes a differential amplifier that detects a voltage across end terminals of the associated battery module, and the detected voltage is digitized and output through a photo-coupler to a controller. The differential amplifier is connected to the battery module through photo-relays, which are closed in response to an open/close control signal only during a voltage detection operation, so that leak currents are eliminated. The differential amplifier and an associated A/D converter are provided with operating power obtained by transforming the voltage of the battery module with regulators, whereby noise effects are eliminated.
    • 电池电源装置由多个电池模块组成,其中每个电池模块包括多个串联的电池。 电压检测电路与每个电池模块相关联。 每个电压检测电路包括差分放大器,其检测相关联的电池模块的两端的电压,并且检测的电压被数字化并通过光耦合器输出到控制器。 差分放大器通过光电继电器连接到电池模块,光电继电器仅在电压检测操作期间响应于打开/关闭控制信号而关闭,从而消除泄漏电流。 差分放大器和相关的A / D转换器具有通过用调节器转换电池模块的电压而获得的工作功率,从而消除噪声效应。
    • 2. 发明授权
    • Electric leak detecting apparatus for electric motorcars
    • 电动汽车用电气泄漏检测装置
    • US06320389B1
    • 2001-11-20
    • US09183297
    • 1998-10-30
    • Kazuhiko TamesueMasahiro TakadaKunio Kanamaru
    • Kazuhiko TamesueMasahiro TakadaKunio Kanamaru
    • G01R2700
    • G01R31/025G01R31/007
    • An electric leak detecting apparatus used for an electric motorcar includes a source for generating an AC signal, which supplies a sine wave detecting signal S1 of a single frequency fl Hz to between a vehicle body and a low potential side or a high potential side of a battery pack, a condenser having capacitance Cd for insulating the AC source from the low potential side or high potential side of the battery pack with respect to direct currents and for connecting the AC source to the low or high potential side of the battery pack with respect to alternating currents. Also included are a voltage detecting circuit for detecting an AC signal voltage of the detecting signal S1 at either side of the condenser, a current detecting circuit for detecting an AC signal current of the detecting signal S1, an admittance detecting circuit for computing an electric leak admittance |Y| from the AC signal voltage and AC signal current of the detecting signal S1, a phase discriminating circuit for finding a phase difference between the AC signal voltage and AC signal current of the detecting signal S1, a resistance component detector for detecting a resistance component by computing a real part of the admittance |Y| from the admittance and phase difference. Also included is a comparison device for comparing the resistance component to a threshold value.
    • 用于电动汽车的漏电检测装置包括用于产生AC信号的源,其将单个频率f1Hz的正弦波检测信号S1提供给车体与低电位侧或高电位侧之间 电池组,具有电容Cd的电容器,用于将AC源与电池组的低电位侧或高电位侧相对于直流电绝缘,并且用于将AC源连接到电池组的低电位或高电位侧,相对于 交流电流。 还包括用于检测冷凝器两侧的检测信号S1的交流信号电压的电压检测电路,检测信号S1的交流信号电流的电流检测电路,用于计算电泄漏的导纳检测电路 入学| Y | 根据检测信号S1的交流信号电压和交流信号电流,用于求出检测信号S1的交流信号电压与交流信号电流之间的相位差的相位鉴别电路,用于通过计算检测电阻分量来检测电阻分量的电阻分量检测器 入门| Y |的实际部分 从导纳和相位差。 还包括用于将电阻分量与阈值进行比较的比较装置。
    • 5. 发明授权
    • Method for manufacturing circumferentially deploying type of stator coil
    • 用于制造周向展开式定子线圈的方法
    • US08341824B2
    • 2013-01-01
    • US12370880
    • 2009-02-13
    • Masahiro TakadaAkito AkimotoHideji Shimaoka
    • Masahiro TakadaAkito AkimotoHideji Shimaoka
    • H02K15/00H01F7/06B23P19/00
    • H02K15/0081H02K15/0037H02K15/0478Y10T29/49009Y10T29/49071Y10T29/53143
    • A method of manufacturing a stator coil to be wound in and around a stator by bending an insulating-coating conducting wire so as to alternately have slot-held conductor sections to be held in slots of the stator and a coil-end conductor sections each mutually connecting two of the slot-held conductor sections outside the slots. The method includes arranging three or more pairs of molds at predetermined intervals along the insulating-coating conducting wire, each pair of molds having paired molds facing each other with the wire located therebetween. First, the coil-end conductor sections are formed by moving the mold pairs such that the paired molds come closer to each other. Then the slot-held conductor sections are formed by moving the molds, in parallel, in both the longitudinal direction along which the insulating-coating conducting wire extends and in a direction perpendicular to the longitudinal direction.
    • 通过弯曲绝缘涂层导线来制造要缠绕在定子周围的定子线圈的方法,以便交替地将具有保持在定子的槽中的槽保持的导体部分和每个相互的线圈端部导体部分 连接插槽外的两个插槽式导体部分。 该方法包括沿着绝缘涂层导电线以预定间隔设置三对或更多对模具,每对模具具有彼此面对的成对模具,导线位于它们之间。 首先,通过使模具对移动使得成对的模具彼此更靠近而形成线圈端部导体部分。 然后,槽保持导体部分通过沿着绝缘涂层导线延伸的纵向方向和垂直于纵向方向的方向平行地移动模具而形成。
    • 6. 发明授权
    • Coil forming method, coil forming die assembly and coil manufactured thereby
    • 线圈成型方法,线圈成型模具组件和由此制造的线圈
    • US08256259B2
    • 2012-09-04
    • US12341206
    • 2008-12-22
    • Masahiro Takada
    • Masahiro Takada
    • H01F7/06B21D11/10
    • H01F41/04B21F1/00B21F99/00H01F27/324H02K15/0414H02K15/0435H02K15/0442Y10T29/49009Y10T29/49071Y10T29/49073
    • A coil forming method, a coil forming die assembly and a coil manufactured by the coil forming method are disclosed. The coil forming method comprises conducting preliminary forming work on a coil under a linear state before conducting bending work on the coil. The preliminary forming work including conducting compression work on the coil under the linear state to compress the coil in a region covering a rounded corner portion formed when bending work is conducted to decrease a dimension of the coil in a widthwise direction. The dimension of the coil is decreased in the widthwise direction by the nearly same dimension as that of the coil bulged in the widthwise direction when bending work is conducted in the absence of the preliminary forming work. This prevents the occurrence of bulging of the coil during bending work with an increase in lamination factor.
    • 公开了一种线圈成形方法,线圈成型模具组件和通过线圈形成方法制造的线圈。 线圈成形方法包括在对线圈进行弯曲加工之前在线性状态下对线圈进行初步成形加工。 进行包括在线性状态下对线圈进行压缩加工的预成型工作,以在覆盖弯曲加工时形成的圆角部的区域中压缩线圈,以减小线圈在宽度方向上的尺寸。 在不进行预备成形加工的情况下进行弯曲加工时,线圈的尺寸在宽度方向上减小了与在宽度方向上膨胀的线圈大致相同的尺寸。 这防止了在弯曲加工期间随着层压系数的增加而发生线圈的膨胀。
    • 7. 发明授权
    • Stator for rotary electric machine and rotary electric machine using same
    • 旋转电机和旋转电机定子采用相同方式
    • US08008830B2
    • 2011-08-30
    • US12529651
    • 2008-03-04
    • Shinji KoudaHiroaki KajiuraMasahiro Takada
    • Shinji KoudaHiroaki KajiuraMasahiro Takada
    • H02K3/00
    • H02K3/12H02K3/28H02K3/345H02K3/50H02K15/064
    • The wire 30 forming the stator winding 20 includes the in-slot portions 40 to be disposed in the slots 14 and 15 of the stator core 12 and the turned portions 42 connecting the in-slot portions 40 disposed in the circumferentially different slots 14 and 15. The turned portions 42 formed on axial opposite end sides of the stator core 12. The crank portion 44 which does not twist is formed at substantially the center of the turned portion 42. Steps are formed at sections of the turned portion 42 which protrude outside the stator core 12 from the slots 14 and 15. Further, the turned portion 42 of the wire 30 also has two steps 48 formed between the substantially central crank portion 44 and each of the steps 46 formed at the protruding sections of the turned portion 42.
    • 形成定子绕组20的线30包括设置在定子铁芯12的槽14和15中的槽内部分40和连接设置在周向不同的槽14和15中的槽内部分40的转向部分42 形成在定子铁芯12的轴向相对端侧的转动部分42.基本上在转动部分42的中心形成有不扭曲的曲柄部分44.在转动部分42的突出外侧的部分处形成台阶 来自槽14和15的定子铁心12.此外,线30的转动部分42还具有形成在基本上中心的曲柄部分44和形成在转动部分42的突出部分的每个台阶46之间的两个台阶48 。
    • 10. 发明申请
    • DIRECT OXIDATION FUEL CELL SYSTEMS WITH REGULATED FUEL CONCENTRATION AND OXIDANT FLOW
    • 直接氧化燃料电池系统与调节燃料浓度和氧化剂流量
    • US20090011289A1
    • 2009-01-08
    • US12208699
    • 2008-09-11
    • Chao-Yang WangMasahiro Takada
    • Chao-Yang WangMasahiro Takada
    • H01M8/00H01M8/04
    • H01M8/1009H01M8/04164H01M8/04291H01M8/04313H01M8/04365H01M8/04395H01M8/04447H01M8/04798
    • A direct oxidation fuel cell (DOFC) system, comprises at least one fuel cell assembly including a cathode and an anode with an electrolyte positioned therebetween; a source of liquid fuel in fluid communication with an inlet of the anode; an oxidant supply in fluid communication with an inlet of the cathode; a liquid/gas (L/G) separator in fluid communication with outlets of the anode and cathode for: (1) receiving unreacted fuel and liquid and gaseous products, and (2) supplying a solution of fuel and liquid product to the anode inlet; and a control system for measuring the amount of liquid product and controlling oxidant stoichiometry of the system operation in response to the measured amount of liquid product. Alternatively, the control system controls the concentration of the liquid fuel in the solution supplied to the anode inlet, based upon the system operating temperature or output power.
    • 直接氧化燃料电池(DOFC)系统包括至少一个燃料电池组件,其包括阴极和阳极,电解质位于它们之间; 与阳极入口流体连通的液体燃料源; 与阴极入口流体连通的氧化剂供应源; 与阳极和阴极的出口流体连通的液体/气体(L / G)分离器,用于:(1)接收未反应的燃料和液体和气体产物,以及(2)将燃料和液体产物的溶液供应到阳极入口 ; 以及用于测量液体产物的量并根据所测量的液体产品来控制系统操作的氧化剂化学计量的控制系统。 或者,控制系统基于系统工作温度或输出功率来控制供应到阳极入口的溶液中的液体燃料的浓度。