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    • 6. 发明授权
    • Method and apparatus for treating materials with electrical fields
having varying orientations
    • 用于处理具有不同取向的电场的材料的方法和装置
    • US6117660A
    • 2000-09-12
    • US242174
    • 1999-02-10
    • Richard E. WaltersAlan D. KingDerin C. Walters
    • Richard E. WaltersAlan D. KingDerin C. Walters
    • C12N13/00
    • C12N13/00C12M35/02
    • The object of the invention is to provide a method and apparatus for treating membrane containing material with electrical fields and with an added treating substance. With the method, a plurality of electrodes (121-128) are arrayed around the material to be treated and are connected to outputs of an electrode selection apparatus (110). Inputs of the electrode selection apparatus are connected to outputs of an agile pulse sequence generator. A treating substance is added to the membrane-containing material. Electrical pulses are applied to the electrode selection apparatus and are routed through the electrode selection apparatus in a predetermined, computer-controlled sequence to selected electrodes in the array of electrodes, whereby the membrane containing material is treated with the added treating substance and with electrical fields of sequentially varying directions. The routing of applied pulses through the electrode selection apparatus (110) to selected electrodes (121-128) can be done in an enormous number of ways.
    • PCT No.PCT / US97 / 09300 Sec。 371日期1999年2月10日 102(e)1999年2月10日PCT 1997年6月10日PCT公布。 第WO98 / 56893号公报 日期:1998年12月17日本发明的目的是提供一种用电场和附加处理物质处理含膜材料的方法和装置。 利用该方法,将多个电极(121-128)围绕待处理的材料排列并连接到电极选择装置(110)的输出端。 电极选择装置的输入连接到敏捷脉冲序列发生器的输出端。 将处理物质加入到含膜材料中。 将电脉冲施加到电极选择装置,并以预定的计算机控制的顺序通过电极选择装置引导到电极阵列中的选定电极,由此将含有膜的材料用添加的处理物质和电场 顺序变化的方向。 施加的脉冲通过电极选择装置(110)到选定电极(121-128)的布线可以以许多方式进行。
    • 7. 发明授权
    • Seal cavity protector
    • 密封腔保护器
    • US4872690A
    • 1989-10-10
    • US242174
    • 1988-09-09
    • Joseph R. Dunford
    • Joseph R. Dunford
    • F16J15/00F16J15/40
    • F16J15/40F16J15/002
    • A seal cavity protector for use with rotary fluid equipment having a seal cavity, defined by a shaft, a shaft housing and a seal engaging the shaft, includes an annular cup-shaped element for securement to the housing at the entrance thereto. The shaft can pass through the element. A plurality of circumferentially spaced apart vent passages extend through the wall of the element. As the equipment rotates fluid passing by the vent passages creates a low pressure area outside the seal cavity whereby fluid contained within, or flowing into, the cavity is drawn out through the vent passages. Any contaminants contained in the cavity or entering with the fluid are removed from the cavity with the exiting fluid. This reduces pressure within the cavity and reduces greatly the chance of damage to the shaft and/or seal by the contaminants.
    • 一种与旋转流体设备一起使用的密封腔保护器,其具有由轴,轴壳体和与轴接合的密封件的密封腔,其包括用于在其入口处固定到壳体的环形杯形元件。 轴可以穿过元件。 多个周向间隔开的通气通道延伸通过该元件的壁。 随着设备旋转通过通气通道的流体在密封腔外部产生低压区域,由此容纳在空腔内或流入空腔的流体通过排气通道被抽出。 包含在空腔中或与流体一起进入的任何污染物都与离开的流体从空腔中移出。 这减少了空腔内的压力,并大大降低了污染物损坏轴和/或密封的机会。