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    • 4. 发明授权
    • Apparatus for producing charged particles
    • 用于产生带电粒子的装置
    • US4029995A
    • 1977-06-14
    • US646942
    • 1976-01-06
    • Tsutomu Itoh
    • Tsutomu Itoh
    • B03C7/02B05B5/08H01T23/00H05B5/02
    • H01T23/00B03C7/026B05B5/088
    • In a pair of surface-shaped silent discharge electrodes opposed to each other and separated by a predetermined space therebetween, phases of alternating voltages are applied to said respective silent discharge electrodes shifted in phase with respect to each other so that a silent discharge may arise alternately on either one of the electrode surfaces. A second alternating voltage is applied between the silent discharge electrodes and is alternatingly varied at a fundamented frequency twice as high as the frequency of the first alternating voltages applied to said surface-shaped silent discharge electrodes and is not inverted in polarity during the period when the silent discharge exists on either one of the electrode surfaces. Powder particles are passed through the space which separates the pair of surface-shaped silent discharge electrodes and charged in either positive or negative polarity continuously at a high efficiency.
    • 在彼此相对并分开预定间隔的一对表面形状的无声放电电极中,交替电压的相位被施加到相对于彼此移相同步的所述各静音放电电极,从而可以交替地产生静音放电 在任一个电极表面上。 在静音放电电极之间施加第二交流电压,并且以施加到所述表面形静音放电电极的第一交流电压的频率的两倍高的基本频率交替地变化,并且在 静电放电存在于任一个电极表面上。 粉末颗粒通过分离一对表面形静音放电电极的空间,并以高效率连续地以正或负极性充电。
    • 6. 发明授权
    • Powder material processing apparatus
    • 粉料加工设备
    • US4161765A
    • 1979-07-17
    • US756910
    • 1977-01-04
    • Tsutomu ItohMunekazu SakuraiMasahiro YamamotoYasunari Okamoto
    • Tsutomu ItohMunekazu SakuraiMasahiro YamamotoYasunari Okamoto
    • B05B5/08H05B5/02
    • B05B5/088
    • An improved powder material processing apparatus is described herein, in which a plurality of wire-shaped electrodes are disposed within an imaginary plane at an equal interval and in parallel to each other. An insulator layer is interposed between the adjacent wire-shaped electrodes to prevent spark discharge from being generated by an A.C. high voltage applied between the adjacent wire-shaped electrodes. A silent discharge region is established between said adjacent wire-shaped electrodes, and positive and negative charges are separately given to the particles forming said powder material by making uncharged powder material pass through said silent discharge region, resulting in formation of powder material consisting of substantially equal numbers of positively charged particles and negatively charged particles, whereby control characteristics of the processed powder material can be greatly improved and the above-mentioned charging process can be effected continuously at a high efficiency.
    • 这里描述了一种改进的粉末材料处理装置,其中多个线状电极以相等间隔并且彼此平行地设置在虚拟平面内。 在相邻的线状电极之间插入绝缘体层,以防止在相邻的线状电极之间施加的交流电压高电压产生火花放电。 在所述相邻的线状电极之间建立静音放电区域,并且通过使不带电的粉末材料通过所述静电放电区域而将形成所述粉末材料的颗粒分别给出正电荷和负电荷,从而形成基本上由 相同数量的带正电荷的颗粒和带负电荷的颗粒,从而可以大大提高加工粉末材料的控制特性,并且可以高效率连续地进行上述充电过程。
    • 8. 发明授权
    • Booth for electrostatic powder painting with contact type electric field curtain
    • 用于静电喷涂的接头型电动幕
    • US3801869A
    • 1974-04-02
    • US3801869D
    • 1972-09-25
    • MASUDA S
    • MASUDA S
    • B03C3/00B05B5/08B05B15/12B08B7/00
    • B05B15/124B05B5/088B05B7/1454B05B15/1237B05B15/1244Y02P70/36Y10S55/46
    • A booth in which electrically charged particulate material is sprayed onto a workpiece having an opposite charge, so that the particles are electrostatically attracted to the workpiece, has all of its walls that confront the workpiece made of electrical insulating material. A grid-like arrangement of parallel, spaced apart electrodes, insulated from each other, extends across the entire area of every wall, parallel to a surface of the wall and in intimate juxtaposition thereto. Each electrode is connected with one terminal of an alternating high voltage source, every electrode with a different terminal than each of the electrodes laterally adjacent to it, to produce a constantly varying field that electrodynamically repels particles from the wall.
    • 将带电粒子材料喷涂到具有相反电荷的工件上的一个展台,使得颗粒被静电吸引到工件上,其所有的壁都面对由电绝缘材料制成的工件。 彼此绝缘的平行,间隔开的电极的格子状布置延伸穿过每个壁的整个区域,平行于壁的表面并与其紧密并置。 每个电极与交替的高压源的一个端子连接,每个电极具有与其横向相邻的每个电极不同的端子,以产生不断变化的场,其从壁电动地排斥颗粒。
    • 9. 发明授权
    • Method and apparatus for applying a coating on a three dimensional surface
    • 在三维表面上涂覆涂层的方法和装置
    • US07247353B2
    • 2007-07-24
    • US10520234
    • 2003-07-09
    • Lars Persson
    • Lars Persson
    • B05D1/04B05B1/025
    • B05D1/04B05B5/088B41J3/4073B41M3/00
    • A method and a device for contactless application of a coating on a three dimensionally distributed surface (14;24;34;44;54;74;84;104). The method comprises application of electrically charged particles (15;25;35;55;65;75;85;105) in such positions on said surface as to form a predetermined pattern, by guiding each of said particles individually to a predetermined position on said surface. The guiding is made by means of an adjustable electric field (12;22;32;42;52;72;82;102) having flux lines with a longitudinal direction extending through said surface, whereby said particles form said coating according to said predetermined pattern on said surface.
    • 一种用于在三维分布表面(14; 24; 34; 44; 54; 74; 84; 104)上非接触施加涂层的方法和装置。 该方法包括在所述表面上的这种位置上施加带电粒子(15; 25; 35; 55; 65; 75; 85; 105)以形成预定图案,通过将每个所述颗粒分别引导到 表面。 引导通过具有延伸穿过所述表面的纵向方向的通量线的可调电场(12; 22; 32; 42; 52; 72; 82; 102)进行,由此所述颗粒根据所述预定的 所述表面上的图案。
    • 10. 发明授权
    • Electrostatic dispensing apparatus and method
    • 静电分配装置及方法
    • US06368409B1
    • 2002-04-09
    • US09429821
    • 1999-10-29
    • James M. BorsukLaurence B. SaidmanJames W. Schmitkons
    • James M. BorsukLaurence B. SaidmanJames W. Schmitkons
    • B05B5025
    • B05C5/0254B05B5/088B05B5/10B05B5/14B05C5/0237B05C5/027B05C5/0279
    • An electrostatic dispensing system for dispensing flowable liquid material onto a moving substrate. The electrostatic dispensing system includes multiple liquid dispensers that are aligned along a common axis and supported in spaced, non-contacting relationship on one side of the moving substrate. Each of the liquid dispensers includes a valve to control the flow of fluid through the dispenser. An electrostatic field generator is supported in spaced, non-contacting relationship on the opposite side of the moving substrate to generate an electrostatic field through the moving substrate. The electrostatic field operates to attract flowable liquid material from dispensing outlets associated with the multiple liquid dispensers as a series of spaced, continuous streams or beads which intersect a surface of the moving substrate facing the liquid dispensers. The beads of flowable material are deposited on the surface of the moving substrate in a series of uniform, continuous beads which are formed generally parallel to a direction of travel of the moving substrate. Methods of electrostatically dispensing flowable material onto a moving substrate are also disclosed.
    • 一种用于将可流动的液体材料分配到移动的基底上的静电分配系统。 静电分配系统包括多个液体分配器,它们沿着共同的轴线排列并且在移动的基板的一侧以间隔的非接触的关系支撑。 每个液体分配器包括用于控制通过分配器的流体流动的阀。 静电场发生器在移动衬底的相对侧以间隔非接触的关系支撑,以通过移动衬底产生静电场。 静电场用于从与多个液体分配器相关联的分配出口吸引可流动液体材料,作为与移动基板的面向液体分配器的表面相交的一系列间隔开的连续流或珠。 可流动材料的珠粒以一系列均匀连续的珠粒沉积在移动的基底的表面上,该珠粒大致平行于移动的基底的行进方向形成。 还公开了将可流动材料静电分配到移动的衬底上的方法。