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    • 97. 发明公开
    • Laboratory containment system
    • Labordampfabzug
    • EP2103351A1
    • 2009-09-23
    • EP09002657.6
    • 2009-02-25
    • A1 Envirosciences Limited
    • Codling, Sean
    • B01L1/02B08B15/02
    • B08B15/023B01L1/50
    • A laboratory bench-top fume hood comprises an enclosure (11, 21) containing a working chamber (2) with a frontal opening (3), for manual access to the chamber (2) and for air to flow into the chamber (2). A plenum chamber (4) at the rear of the working chamber (2) is connectable to an air extraction system. An apertured, curved baffle plate (16) separates the working chamber (2) from the plenum chamber (4). The baffle plate (16) is concave from the working chamber (2) side and convex from the plenum chamber (4) side, improving airflow and increasing the usable volume of the working chamber (2). The slots (7) in the baffle plate (16) may be fitted with guide vanes extending into the plenum chamber (4), better to direct airflow therethrough. A slot (17) adjacent a roof of the working chamber (2) is particularly effective for creating evenly-distributed air flows. The roof (22) may be curved to encourage an airflow to follow the roof profile to the baffle plate (16). Side walls (42) of the working chamber (2) may bow outwardly but converge towards the opening (3), to increase useful working volume while improving airflow paths. The baffle plate (16) may comprise a set of separately dismountable panels, to aid cleaning and to provide access to the plenum chamber (4).
    • 实验室台式通风橱包括容纳具有正面开口(3)的工作室(2)的外壳(11,21),用于手动接近室(2)并且空气流入室(2) 。 在工作室(2)后部的增压室(4)可连接到空气抽取系统。 有孔弯曲的挡板(16)将工作室(2)与增压室(4)分开。 挡板(16)从工作室(2)侧凹入并且从增压室(4)侧凸出,改善了气流并增加了工作室(2)的可用体积。 挡板(16)中的狭槽(7)可以装配有延伸到增压室(4)中的导向叶片,更好地将气流引导通过。 与工作室(2)的屋顶相邻的槽(17)对于产生均匀分布的气流特别有效。 屋顶(22)可以是弯曲的,以鼓励气流跟随屋顶轮廓到挡板(16)。 工作室(2)的侧壁(42)可以向外弯曲但会聚到开口(3),以增加有用的工作体积,同时改善气流路径。 挡板(16)可以包括一组可单独拆卸的面板,以帮助清洁并提供进入通风室(4)的通路。
    • 100. 发明公开
    • MIKROFLUIDIKSYSTEM
    • EP1931462A1
    • 2008-06-18
    • EP06793891.0
    • 2006-09-28
    • Siemens Aktiengesellschaft
    • SCHNEEBERGER, ReinholdLOHF, AstridWENZEL, Waldemar
    • B01J19/00B01L9/00
    • B01J19/0093B01J2219/0081B01J2219/00867B01J2219/00871B01J2219/00873B01J2219/00959B01J2219/00963B01J2219/00986B01L1/50B01L3/5027B01L99/00G01N2035/00277G01N2035/00326
    • The microfluidic system is constituted of modules that comprise one microfluidic unit and one corresponding electric control unit each and that are retained on a rear panel unit next to each other in a row. The aim of the invention is to prevent the formation or accumulation of ignitable or toxic gas mixtures. For this purpose, a fluid conduit (27) for a rinsing fluid (28) extends through the rear panel unit (9). Branches (29) lead from said fluid conduit (27) to the modules (2), said branches (29) flowing into respective distributor compartments (30) that extend vertically across the module height in the modules (2). Said distributor compartments are delimited in relation to the interior (19) of the respective module (2) by a distributor panel (32) that is provided with openings (31). The interior (19) of the respective module (2) comprises, on its lower or rear surface, an exit opening (33) for the rinsing fluid (28).
    • 微流体系统由包含一个微流体单元和一个对应的电控单元的模块构成,并且所述模块各自保持在彼此相邻的后面板单元上成行。 本发明的目的是防止可燃或有毒气体混合物的形成或积聚。 为此目的,用于冲洗流体(28)的流体导管(27)延伸穿过后面板单元(9)。 分支(29)从所述流体导管(27)引导到模块(2),所述分支(29)流入在模块(2)中跨模块高度垂直延伸的相应分配器隔室(30)。 所述分配器隔室通过设有开口(31)的分配器面板(32)相对于相应模块(2)的内部(19)界定。 相应模块(2)的内部(19)在其下表面或后表面上包括用于冲洗流体(28)的出口开口(33)。