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111 条记录 (耗时 0.014 秒)

    Battery operated device
    11.
    发明授权
    Battery operated device 失效
    电池操作装置

    公开(公告)号：US5097184A

    公开(公告)日：1992-03-17

    申请号：US674568

    申请日：1991-03-25

    申请人： Karl Echtler ,  Hanno Richter ,  Wolfgang Millauer

    发明人： Karl Echtler ,  Hanno Richter ,  Wolfgang Millauer

    IPC分类号： B23B45/02 ,  H01M10/44 ,  H02J7/00 ,  H02P7/06 ,  H02P7/14

    CPC分类号： H02P7/14

    摘要： A battery operated device includes a circuit connecting a DC motor (22) and a battery (9) made up of a plurality of cells (10, 11, 12) connected in series with a two-pole switch device (23) including a first switch (24) and a second switch (25). The DC motor (22) receives a lower battery voltage from an intermediate tap (17) of the battery through a first switch (24) and it receives the full battery voltage through an end tap (15) when the second switch (25) is closed so that the motor can be operated at two speeds. Further, elements are provided for preventing a short circuit between the intermediate tap (17) and the end tap (15) of the battery (9) when the second switch (25) is closed. As a result of this switching arrangement, an extensively interrupted-switching is available, so that practically no power lapses occur when switching over from one speed to the other.

    摘要翻译： 电池供电装置包括连接DC马达（22）和由与两极开关装置（23）串联连接的多个电池（10,11,12）组成的电池（9）的电路，该双极开关装置包括第一 开关（24）和第二开关（25）。 直流电动机（22）通过第一开关（24）从电池的中间抽头（17）接收较低的电池电压，并且当第二开关（25）为 关闭，使电机能够以两种速度运行。 此外，当第二开关（25）关闭时，提供用于防止中间抽头（17）和电池（9）的端部抽头（15）之间短路的元件。 作为这种切换装置的结果，广泛地中断切换是可用的，使得在从一个速度切换到另一个速度时几乎不发生电源中断。

    Electrically driven vehicle
    13.
    发明授权
    Electrically driven vehicle 失效
    电动车

    公开(公告)号：US4152633A

    公开(公告)日：1979-05-01

    申请号：US515059

    申请日：1974-10-15

    申请人： Bjorn Ortenheim

    发明人： Bjorn Ortenheim

    IPC分类号： B60L11/18 ,  B60L15/04 ,  H02P7/14

    CPC分类号： B60L15/04 ,  Y02T10/645 ,  Y02T10/646 ,  Y02T10/648 ,  Y02T10/7258

    摘要： In order to drive an electrically operated vehicle provided with an electric drive motor supplied with energy by a plurality of rechargeable batteries carried by the vehicle, in a manner to achieve high electric power utilization efficiency, the feed voltage for the driving motor is increased in steps by successive connection of a progressively increasing number of batteries in series with the driving motor, a load-dependent steady state of the motor corresponding to each feed voltage and to a constant rate of motor rotation, and the batteries are switched to provide a lower feed voltage when the motor, and thus also the vehicle, has achieved a selected steady state, at which time the driving motor, due to the dynamic inertia of the moving vehicle, acts as a generator which changes the batteries until the voltage generated by the motor acting as a generator drops to the lower feed voltage value, whereby a large portion of the energy used for propelling the vehicle is recovered.

    摘要翻译： 为了驱动具有由车辆所携带的多个可再充电电池供电的电动驱动电动机的电动车辆，以实现高电力利用效率的方式，驱动电动机的供电电压逐步增加 通过连续地连续地连接逐渐增加数量的与驱动电动机串联的电池，马达的负载相关稳定状态对应于每个进给电压和恒定的电动机旋转速率，并且电池被切换以提供较低的馈送 当电动机以及因此车辆也已经达到选定的稳定状态时，电动机的电压，此时由于移动车辆的动态惯性，驱动电动机起到改变电池直到电动机产生的电压的发电机的作用 作为发电机起降落到较低的进给电压值，从而回收用于推进车辆的大部分能量。

    Motor speed control switch assembly
    14.
    发明授权
    Motor speed control switch assembly 失效
    电机转速控制开关总成

    公开(公告)号：US4088852A

    公开(公告)日：1978-05-09

    申请号：US694095

    申请日：1976-06-09

    申请人： Robert L. Van Doren

    发明人： Robert L. Van Doren

    IPC分类号： H02P7/14 ,  H02P7/298 ,  H01H9/00 ,  H01H3/14

    CPC分类号： H02P7/14 ,  H02P7/298

    摘要： A switch for speed control of an electric motor driven vehicle employs a combination of resistance switching, field weakening and voltage switching. A mechanical switch assembly has a speed switch and a voltage switch that are interconnected so that the voltage switch provides 36 volts when the speed switch is in neutral and fifth speed position and provides 18 volts when the speed switch is in first through fourth speed positions. The speed switch has an operator controlled rotor arm that successively engages a neutral contact and five driving speed contacts so that varying resistance is inserted in circuit with the motor armature in the first two speed positions and no external resistance is employed in the third and fifth speed positions. The motor field comprises pairs of first and second oppositely disposed series wound coils with the pairs of coils all connected and energized in series in all but the fourth speed position. In the fourth speed position one pair of oppositely disposed field coils is completely disconnected while the other pair is energized to provide a higher speed at the lower voltage and a better transition between low and high voltage driving speeds.

    摘要翻译： 用于电动机驱动车辆的速度控制的开关采用电阻切换，弱磁和电压切换的组合。 机械开关组件具有互连的速度开关和电压开关，使得当速度开关处于空档和第五速度位置时，电压开关提供36伏特，并且当速度开关处于第一到第四速度位置时提供18伏。 速度开关具有操作者控制的转子臂，其连续地接合中性触点和五个驱动速度触点，使得变化的电阻插入到电动机电枢在前两个速度位置的电路​​中，并且在第三和第五速度中不采用外部电阻 职位 电动机场包括成对的第一和第二相对设置的串联绕组线圈，其中所有对的线圈在除了第四速度位置之外全部连接并且被通电。 在第四速度位置中，一对相对设置的场线圈完全断开，而另一对被通电以在较低电压下提供更高的速度，并且在低电压和高电压驱动速度之间更好的转变。

    Open-loop D.C. motor of printer carriage speed
    15.
    发明授权
    Open-loop D.C. motor of printer carriage speed 失效
    打印机转速的开环直流电机

    公开(公告)号：US4079298A

    公开(公告)日：1978-03-14

    申请号：US631862

    申请日：1975-11-14

    申请人： Jay Prager

    发明人： Jay Prager

    IPC分类号： G06K15/10 ,  B41J19/18 ,  B41J29/38 ,  H02P7/14

    CPC分类号： B41J29/38

    摘要： Open-loop means for controlling the speed of a d.c. motor controlled print head moving across a document. A switch couples a first voltage to the d.c. motor to accelerate the print head in a first direction. When the print head reaches the desired velocity, the first voltage is decoupled from the motor and a highly regulated voltage is coupled to the d.c. motor to move the print head at the desired velocity. The switch reverses the voltage polarity at the input terminals of the d.c. motor to decelerate the print head, accelerate it in the opposite direction and maintain the desired velocity as it moves in the reverse direction. Logic means detects the direction of carriage movement and connects the first voltage to the d.c. motor for an interval sufficient to bring the d.c. motor to the desired speed in the shortest practical interval. The second voltage maintains the constant speed until the print head reaches the end of the line. At the end of a line, the logic means reverses the polarity to the motor and reapplies the first voltage for the same interval initially required for acceleration, decelerate and halt the print head, or alternatively applies the opposite polarity first voltage for twice said time interval to being the motor to constant speed in the reverse direction in the shortest practical interval.The acceleration voltage for carriage return is applied for a shorter interval if less than a full line is printed, to prevent damage due to excessive acceleration.

    摘要翻译： 用于控制直流速度的开环装置。 电机控制的打印头移动到文档上。 开关将第一电压耦合到直流电。 电机以第一方向加速打印头。 当打印头达到所需速度时，第一个电压与电动机分离，高度调节的电压与直流电偶耦合。 电机以所需的速度移动打印头。 开关反转直流输入端的电压极性。 电机减速打印头，使其沿相反方向加速，并在反方向移动时保持所需的速度。 逻辑手段检测滑架移动的方向，并将第一个电压连接到直流电。 电机间隔足以带动直流 电机以最短的实际间隔达到所需的速度。 第二个电压保持恒定的速度，直到打印头到达线的末端。 在线路结束时，逻辑装置将极性反转到电动机，并重新施加与加速，加速和停止打印头最初所需的相同间隔的第一电压，或者替代地将相反极性的第一电压施加两次所述时间间隔 在最短实际间隔内将电机作为相反方向的恒定速度。

    Control arrangement for electrically propelled traction vehicle
    16.
    发明授权
    Control arrangement for electrically propelled traction vehicle 失效
    电动螺旋桨牵引车的控制装置

    公开(公告)号：US3716768A

    公开(公告)日：1973-02-13

    申请号：US3716768D

    申请日：1972-03-20

    申请人： GEN ELECTRIC

    发明人： MASON W

    IPC分类号： G11B7/0033 ,  H02P7/298 ,  H02P7/14

    CPC分类号： G11B7/0033 ,  H02P7/298

    摘要： A CONTROL ARRANGEMENT FOR A BATTERY POWERED TRACTION VEHICLE HAVING A FOOT PEDAL TYPE OF THROTTLE CONTROL. APPLICATION OF INCREASING PRESSURE TO THE PEDAL SEQUENTIALLY CLOSES A MOTOR CONTRACTOR TO ENERGIZE THE MOTOR, CLOSES ARMATURE SWITCHES TO DECREASE SERIES ARMATURE RESISTANCE, AND OPENS FIELD WEAKENING SWITCHES TO PROVIDE FIELD WEAKENING. PROVISION IS MADE FOR MOTOR OPERATION AT PREDETERMINED TORQUE-SPEED INCREMENT WITHOUT CONTINUED APPLICATION OF PEDAL PRESSURE. A LOGIC CIRCUIT IS RESPONSIVE TO CLOSURE OF A PRESELECTED ARMATURE SWITCH AND OF A PRESELECTED FIELD WEAKENING SWITCH IS CONNECTED IN CIRCUIT WITH A RELAY CONNECTED TO MAINTAIN OPERATION OF THE VEHICLE AT THE DESIRED TORQUE-SPEED INCREMENT UPON ACTIVATION OF A CONTROL SWITCH.

    Electric working machine
    20.
    发明授权
    Electric working machine 有权
    电动工作机

    公开(公告)号：US09473055B2

    公开(公告)日：2016-10-18

    申请号：US13967937

    申请日：2013-08-15

    申请人： HITACHI KOKI CO., LTD.

    发明人： Tatsuya Ito ,  Mizuho Nakamura ,  Yoshio Iimura ,  Tomomasa Nishikawa

    IPC分类号： H02P1/00 ,  H02P7/14 ,  H02P7/285

    CPC分类号： H02P7/14 ,  H02P7/285

    摘要： An electric working machine including: an input part; a control unit configured to control a motor in accordance with an operation amount of the input part; and a switching part; wherein, when a predetermined operation is performed to the switching part, the control unit shifts to a fixed control mode in which the motor is controlled in accordance with an operation amount of the input part at the time when the predetermined operation is performed to the switching part, irrespective of an operation amount of the input part after the predetermined operation is performed to the switching part.

    摘要翻译： 一种电动加工机，包括：输入部; 控制单元，被配置为根据所述输入部的操作量来控制电动机; 和切换部分; 其特征在于，当对所述切换部进行了规定的动作时，所述控制部转换为在对所述切换进行所述规定动作时，根据所述输入部的操作量来控制所述电动机的固定控制模式 不管在对切换部分执行预定操作之后输入部分的操作量如何。