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    • 2. 发明授权
    • Apparatus and method for forming fine liquid metal droplets
    • 用于形成细液体金属液滴的装置和方法
    • US4613076A
    • 1986-09-23
    • US780138
    • 1985-09-26
    • Peter W. DietzRussell S. Miller
    • Peter W. DietzRussell S. Miller
    • B05B5/04B22F9/10B01J2/04
    • B22F9/10B01J2/04B05B5/04B22F2999/00
    • An apparatus for generating fine liquid metal droplets from a liquid or molten metal comprises a rotatable member situated in a pressurized or evacuated chamber. Means are provided for generating an electric field at the edge of the member having sufficient strength to overcome the surface tension of the metal. A liquid metal delivery means directs liquid metal onto a surface of the member over which the metal flows toward the edge as the member is spun. As the liquid metal leaves the surface at the edge, the force of the electric field causes fine liquid metal droplets which are more uniform and smaller than those produced without an electric field to form. A method for forming fine liquid metal droplets is also disclosed.
    • 用于从液体或熔融金属产生精细液体金属液滴的设备包括位于加压或抽真空室中的可旋转构件。 提供了用于在具有足够强度以克服金属的表面张力的构件的边缘处产生电场的装置。 液体金属输送装置将液体金属引导到构件的表面上,当构件旋转时,金属在该表面上朝向边缘流动。 当液态金属在边缘离开表面时,电场的力产生细小的液体金属液滴,其比不产生电场的那些更均匀和更小。 还公开了一种用于形成细液体金属液滴的方法。
    • 6. 发明授权
    • Method and apparatus for ramped pulsed burst powering of electrostatic
precipitators
    • 静电除尘器斜坡脉冲爆发电源的方法和装置
    • US4592763A
    • 1986-06-03
    • US681170
    • 1984-12-13
    • Peter W. DietzPhilip H. Peters
    • Peter W. DietzPhilip H. Peters
    • B03C3/68G05B24/02
    • B03C3/68Y10S323/903
    • In order to mitigate the problem of back-corona discharge in electrostatic precipitators, method and apparatus are provided for energizing the precipitator electrodes with repeated bursts of high voltage electrical pulses, superimposed upon a direct current voltage level. Additionally, the voltage of the pulses in a single burst is increased from each pulse to the next pulse during the time period that the pulse burst is applied. The effect of the ramping of the pulse burst voltage is to increase the average electric field and ion density during the pulse burst. The result is substantially higher particle charging which leads to improved particle charging collection efficiency. Moreover, in addition to eliminating the back-corona discharge problem which particularly occurs in the collection of high resistivity dust particles, the present method and apparatus for precipitator energization achieves the same advantages as so-called board pulse powering precipitator methods, without, however, the concomitant circuit cost associated with high voltage and high power switching devices.
    • 为了减轻静电除尘器中的反电晕放电的问题,提供了叠加在直流电压水平上的反复突发的高电压电脉冲对沉淀器电极通电的方法和装置。 此外,在施加脉冲脉冲串的时间段期间,单个脉冲串中的脉冲的电压从每个脉冲增加到下一个脉冲。 脉冲突发电压斜率的影响是增加脉冲脉冲串期间的平均电场和离子密度。 结果是明显更高的颗粒充电,这导致了提高的颗粒收集收集效率。 此外,除了在高电阻率灰尘颗粒的收集中特别发生的反电晕放电问题之外,本发明的除尘器通电方法和装置与所谓的基板脉冲供电除尘器方法相同, 与高压和高功率开关器件相关的伴随电路成本。
    • 9. 发明授权
    • False triggering protection for switching device of a capacitive load
pulser circuit
    • 对容性负载脉冲发生器电路的开关装置的假触发保护
    • US4680532A
    • 1987-07-14
    • US761458
    • 1985-08-01
    • Abdallah M. ItaniPeter W. DietzGerald J. Carlson
    • Abdallah M. ItaniPeter W. DietzGerald J. Carlson
    • H03K3/53B03C3/68B08B6/00H03K3/57H03K17/082B03C3/01
    • H03K17/0824H03K3/57Y10S323/903
    • A method and apparatus for protecting switching elements, and in particular, thyristor switching elements, which are used to supply pulses to a capacitive load, from damage resulting from false triggering signals, i.e., triggering signals not accompanied by actual sparkover conditions in the load. Since termination of normal pulse cycles in such pulser systems are accomplished by a return to high forward voltage across the switching elements, false triggers generated closely prior to such termination and within the forward recovery time of a thyristor switching element present a danger that the termination of a normal cycle will result in a weak turn-on and consequent damage of the switching element. By insuring that all such potentially false triggers have a duration which extends past termination of the pulse cycle damage to the switching element resulting from such false triggers is inhibited.
    • 一种用于保护开关元件的方法和装置,特别是用于向容性负载提供脉冲的开关元件,以防止由错误触发信号引起的损坏,即触发不伴随负载中实际火花放电条件的信号。 由于这种脉冲发生器系统中的正常脉冲周期的终止是通过跨越开关元件返回到高正向电压来实现的,所以在这种终止之前和在晶闸管开关元件的正向恢复时间内紧密地产生的错误触发器具有危险, 正常的循环将导致开关元件的弱导通和随之的损坏。 通过确保所有这样的潜在的假触发器具有持续时间,该持续时间延长到由这种错误触发引起的对开关元件的脉冲周期损坏的终止。