Grating and shutter apparatus for controlling air flow
    1.
    发明授权
    Grating and shutter apparatus for controlling air flow 失效
    用于控制气流的光栅和快门装置

    公开(公告)号:US5984775A

    公开(公告)日:1999-11-16

    申请号:US953380

    申请日:1997-10-17

    CPC分类号: F24F13/12

    摘要: An apparatus for controlling air flow includes a grating having a plurality of air vents, a shutter assembly composed of a shutter fixed plate, having a plurality of first openings, attached to a lower surface of the grating, and a shutter moving plate, having a plurality of second openings corresponding to the first openings, movably disposed between the grating and the fixed plate. An opening-ratio controller moves the moving plate with respect to the fixed plate whereby an opening ratio defined by relative positions of the first openings and the second openings is controlled. The separation between the grating and the shutter fixed plate may be the thickness of the shutter moving plate. The opening-ratio controller may include an opening-ratio controlling screw having a pinion attached to the screw end.

    摘要翻译: 用于控制空气流的装置包括具有多个通风口的光栅,由快门固定板组成的快门组件,其具有附接到光栅的下表面的多个第一开口,以及快门移动板,具有 对应于第一开口的多个第二开口,可移动地设置在光栅和固定板之间。 打开比控制器相对于固定板移动移动板,由此控制由第一开口和第二开口的相对位置限定的开口率。 光栅和快门固定板之间的间隔可以是快门移动板的厚度。 打开比控制器可以包括开口比控制螺钉,其具有附接到螺钉端的小齿轮。

    Drive checking system for fan filter units in clean room
    2.
    发明授权
    Drive checking system for fan filter units in clean room 有权
    洁净室内风机过滤器的驱动检查系统

    公开(公告)号:US6093229A

    公开(公告)日:2000-07-25

    申请号:US172152

    申请日:1998-10-14

    摘要: A fan drive checking system, for an air conditioning system in a clean room having a fan filter unit (FFU), includes a flow sensor for sensing air flow inside a housing of a FFU. The sensor provides a sensor signal indicative of normal and adverse flow conditions in the housing. A control portion in data communication with the sensor outputs a control signal responsive to the sensing signal. An alarm in data communication with the control portion provides a warning when the control signal indicates the adverse flow condition.

    摘要翻译: 在具有风扇过滤器单元(FFU)的洁净室中的空调系统的风扇驱动器检查系统包括用于感测FFU的壳体内的空气流的流量传感器。 传感器提供表示壳体中正常和不利流动条件的传感器信号。 与传感器进行数据通信的控制部分响应于感测信号输出控制信号。 当控制信号指示不利流动状况时,与控制部分的数据通信中的警报提供警告。

    Method of exchanging filters in a clean room and auxiliary device for
use in the exchanging of the filters
    3.
    发明授权
    Method of exchanging filters in a clean room and auxiliary device for use in the exchanging of the filters 失效
    在洁净室和辅助设备中更换过滤器的方法用于更换过滤器

    公开(公告)号:US5993519A

    公开(公告)日:1999-11-30

    申请号:US113145

    申请日:1998-07-10

    摘要: An auxiliary device is used in the exchanging of a filter in a clean room having a production section, and a filter frame including a filter-supporting portion which supports the filter and an extending portion which extends from the filter-supporting portion toward the production section. The auxiliary device includes a block plate to be inserted in the extending portion of the filter frame, a support supporting the bottom of the block plate and facing an inside wall of the second portion of the filter frame, and an inflatable tube disposed along the circumference of the support. The tube is inflated to press outwardly and seal the device in the filter frame, thereby blocking the flow of any unfiltered air past the filter and into the production section. Thereafter, the filter is removed and a new filter is set in its place. Finally, the tube is deflated so as to free the device from the filter frame. Accordingly, the production operation as well as the circulation of cleaning air can proceed while the filter is being exchanged.

    摘要翻译: 一种辅助装置用于在具有生产部分的洁净室中更换过滤器,以及包括支撑过滤器的过滤器支撑部分和从过滤器支撑部分朝向生产部分延伸的延伸部分的过滤器框架 。 辅助装置包括插入过滤器框架的延伸部分中的块板,支撑块板底部并且面向过滤器框架的第二部分的内壁的支撑件和沿着圆周设置的可充气管 的支持。 管被充气以向外挤压并将装置密封在过滤器框架中,从而阻止任何未过滤的空气流过过滤器并进入生产部分中。 此后,将过滤器移除,并将新的过滤器置于其位置。 最后,管被放气,以使装置从过滤器框架释放。 因此,在更换过滤器时可以进行清洁空气的生产操作以及循环。

    Air current controlling device and clean room adopting the same
    4.
    发明授权
    Air current controlling device and clean room adopting the same 失效
    气流控制装置和采用相同的洁净室

    公开(公告)号:US5792226A

    公开(公告)日:1998-08-11

    申请号:US752385

    申请日:1996-11-20

    CPC分类号: F24F3/161

    摘要: An air current controlling device for a clean room having a high efficiency particle filter, a housing cap for the filter, and an air current directional controller provided between the filter and the housing cap. The controller has a shaft extending therefrom, which extends through a central opening in the bottom of the housing cap. The controller includes a plurality of extendable and retractable blades, each being connected to a square plate that is in turn connected to the shaft. A clean room having the above air current controlling device installed in each air inlet is capable of widely distributing the clean air in the clean room. The wide air distribution reduces the temperature difference in the clean room, while optimizing the relative humidity and thereby reducing the electrostatic level of the clean room.

    摘要翻译: 一种用于洁净室的气流控制装置,其具有高效率粒子滤波器,用于过滤器的壳体盖,以及设置在过滤器和壳体盖之间的气流定向控制器。 控制器具有从其延伸的轴,其延伸穿过壳体盖的底部中的中心开口。 控制器包括多个可伸缩和可缩回的叶片,每个叶片连接到正方形板,该方板又连接到轴上。 具有安装在每个空气入口中的上述气流控制装置的洁净室能够将清洁空气广泛地分布在洁净室中。 广泛的空气分布降低了洁净室中的温差,同时优化了相对湿度,从而降低了洁净室的静电电平。