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    • 2. 发明授权
    • Fluid vacuum apparatus and filter bag for cleaning swimming pools and
the like
    • 用于清洁游泳池的流体真空装置和过滤袋等
    • US5135647A
    • 1992-08-04
    • US694779
    • 1991-05-02
    • Richard Childers
    • Richard Childers
    • B01D29/23B01D35/26E04H4/16
    • E04H4/1609B01D29/23B01D35/26
    • A cylindrical housing mounts a piston therewithin, wherein the piston is reciprocatable relative to the housing, wherein the housing includes a "T" shaped junction, with a first check valve mounted to the "T" shaped junction at a first exhaust conduit to project debris into a flexible porous bag. A second check valve mounted at a lower terminal end of the housing permits directing of fluid into the housing for projection into the bag during use. The bag is formed with reinforcing plates for maintaining the bag in alignment relative to the exhaust conduit. The piston includes discs alternating with flexible membranes, and is secured by easily removable locking pins allowing easy piston maintenance. The apparatus can be used to remove debris from swimming pools.
    • 圆柱形壳体在其中安装活塞,其中活塞可相对于壳体往复运动,其中壳体包括“T”形接头,第一止回阀在第一排气导管处安装到“T”形接头处以突出碎片 成为柔性多孔袋。 安装在壳体的下端部处的第二止回阀允许将流体引导到壳体中,以在使用期间投射到袋中。 袋子形成有用于保持袋子相对于排气管道对准的加强板。 活塞包括与柔性膜交替的盘,并且通过易于拆卸的锁定销固定,从而容易地进行活塞的维护。 该设备可用于从游泳池中清除碎屑。