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    • 5. 发明授权
    • Apparatus and method for destructive removal of particles contained in
flowing fluid
    • 用于破坏性地去除流动流体中所含的颗粒的装置和方法
    • US4376637A
    • 1983-03-15
    • US196877
    • 1980-10-14
    • Lien C. Yang
    • Lien C. Yang
    • B03C3/00F01N3/01F01N3/38F02B1/04F02B3/06H01T19/04B03C3/01B03C3/88
    • F01N3/01B03C3/00F01N3/38H01T19/04F02B1/04F02B3/06Y02T10/20Y10S55/25Y10S55/30
    • An apparatus and method for destructively removing particles from a flowing gas containing the particles. In the specific embodiments disclosed the apparatus is adapted to remove carbon particles from diesel engine exhaust products. The exhaust products are directed to a predetermined location where they are rapidly vaporized and combine with oxygen in the exhaust products to form carbon dioxide. Vaporization in one embodiment is effected by a discharge grid 30 located within an exhaust conduit 22, the grid 30 being chosen so that alternate conductors 32 and 34 defining the grid 30 are spaced apart a distance approximately 125 times the mean diameter of the particles to be removed. A voltage differential of approximately 690 volts is applied across adjacent conductors 32 and 34. Presence of a diesel exhaust particle between these conductors 32 and 34 is sufficient to create an electric spark discharge enveloping the particle, thereby resulting in a rapid vaporization and oxidation of the particle. In a further embodiment, a filter 145 is provided in an exhaust conduit 146. A light beam from a pulse laser 148 is directed at the filter 145 via a light directing conduit 150 or an optical fiber bundle 168. The pulse laser 148 is triggered to generate a light beam when particle build up at an inner surface of the filter 145 reaches a predetermined level. The pulse laser 148 is chosen to have an output light beam having sufficient energy to vaporize carbon particles accumulated on the filter 145 surface.
    • 一种用于从含有颗粒的流动气体中破坏性去除颗粒的装置和方法。 在所公开的具体实施例中,该装置适于从柴油发动机排气产物中除去碳颗粒。 废气产品被引导到预定的位置,在那里它们被快速蒸发并与排气产物中的氧气结合以形成二氧化碳。 在一个实施例中的蒸发是通过位于排气导管22内的放电格栅30实现的,栅格30被选择为使得限定栅格30的交替导体32和34间隔开约125倍的颗粒的平均直径 删除。 大约690伏特的电压差施加在相邻的导体32和34之间。这些导体32和34之间的柴油机排气颗粒的存在足以产生包围颗粒的电火花放电,从而导致快速蒸发和氧化 粒子。 在另一实施例中,过滤器145设置在排气导管146中。来自脉冲激光器148的光束经由光导管150或光纤束168指向过滤器145.脉冲激光器148被触发 当颗粒在过滤器145的内表面积聚达到预定水平时产生光束。 选择脉冲激光器148具有足够的能量以使积聚在过滤器145表面上的碳颗粒蒸发的输出光束。
    • 7. 发明授权
    • Circuit interrupter with improved trap for removing particles from fluid insulating material
    • 具有改进的捕集器的电路断路器,用于从流体绝缘材料中去除颗粒
    • US3898408A
    • 1975-08-05
    • US38465373
    • 1973-08-01
    • WESTINGHOUSE ELECTRIC CORP
    • COOKSON ALAN HFARISH OWENGAUNTZ JOHN MDAKIN THOMAS WSOMMERMAN GEORGE M LKANE RICHARD ENERI ZENO
    • B03C3/00H01H33/24H02G5/06H01H33/82H01H9/30
    • B03C3/00H01H33/24H02G5/065Y10S55/38
    • A circuit interrupter including a dielectric particle trapping structure interposed between two conductors of a generally concentric arrangement which forms part of the circuit interrupter and to which a high voltage may be applied. The particle trap is particularly adapted for use with a fluid insulating system, more specifically a gaseous insulating medium such as sulfur hexafluoride. The particle trap may be disposed in the vicinity of a critical section of a high voltage conductor, where the presence of extraneous particles of dielectric or metallic material, which are suspended within the fluid may trigger high voltage breakdown if not removed. The particle trap may also be disposed proximate to an inner electrode barrier. Since the particle trap may be a dielectric material which has either corrugations or holes in it, zero or near zero electric fields are created near the holes or depressions. The particle trap allows gravity or the attraction between oppositely charged bodies to actuate charged particles to move into the zero electric field regions and onto the low voltage conductor in the circuit interrupter where the particles discharge any charge thereon. Subsequently, the electric fields in these regions are too low to allow migration of particles to the oppositely charged high voltage electrode.
    • 一种电路断续器,其包括插入在大致同心布置的两个导体之间的电介质颗粒捕获结构,其形成电路断续器的一部分并且可施加高电压。 颗粒捕集器特别适合于与流体绝缘系统,更具体地,气态绝缘介质如六氟化硫一起使用。 颗粒捕集器可以设置在高压导体的临界区域附近,其中悬浮在流体内的外来的电介质或金属材料颗粒的存在可能在不去除时触发高压击穿。 颗粒捕集器也可以靠近内部电极屏障设置。 由于颗粒捕集器可以是其中具有波纹或孔的电介质材料,所以在孔或凹陷附近产生零或接近零的电场。 颗粒捕集器允许重力或相对带电体之间的吸引力致动带电粒子以移动到零电场区域和电路断续器中的低电压导体上,其中颗粒在其上释放任何电荷。 随后,这些区域中的电场太低而不能使颗粒迁移到带相反电荷的高压电极。