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    • 51. 发明授权
    • Method of and device for reducing charging time of batteries and
increasing power and torque of electric motors
    • 减少电池充电时间的方法和装置,增加电动机的功率和扭矩
    • US4568869A
    • 1986-02-04
    • US568075
    • 1984-01-04
    • Merrill E. Graham, Jr.
    • Merrill E. Graham, Jr.
    • H02J7/00H02J7/04H02P7/26
    • H02J7/0072
    • A method of reducing charging time of batteries and increasing power and torque of electric motors includes the step of repeatedly applying to the battery to be charged or the motor to be operated a series of relatively short pulses of relatively high voltage followed by a continuation of the high voltage pulse which is of relatively long duration and of relatively low voltage. The relatively high voltage is substantially greater than the normal charging voltage of the battery or the rated voltage of the motor while the relatively low voltage is the normal charging voltage of the battery or not greater than the rated voltage of the motor. The duration of the relatively short pulse is such that excessive heating due to current flow does not occur.The device of the invention includes a first pulse generator and a second pulse generator with a timing clock to control operation of each pulse generator. Preferably both pulse generators are initiated at the same time, the relatively short high voltage pulse being generated by one of the pulse generators and superimposed on the relatively low voltage pulse generated by the other generator which continues after termination of the high voltage pulse.
    • 一种减少电池充电时间并增加电动机的功率和扭矩的方法包括重复地施加到要充电的电池或电动机操作一系列相对较短电压的相对较短的脉冲的步骤,随后继续 具有较长持续时间和较低电压的高电压脉冲。 相对较高的电压基本上大于电池的正常充电电压或电动机的额定电压,而相对较低的电压是电池的正常充电电压或不大于电动机的额定电压。 相对短脉冲的持续时间使得不会发生由于电流而导致的过度加热。 本发明的装置包括第一脉冲发生器和具有定时时钟以控制每个脉冲发生器的操作的第二脉冲发生器。 优选地,两个脉冲发生器同时启动,相对较短的高电压脉冲由脉冲发生器之一产生并叠加在由高电压脉冲终止之后继续的另一发生器产生的相对低电压脉冲上。