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    • 5. 发明授权
    • Duct cleaning device
    • 管道清洗装置
    • US5802667A
    • 1998-09-08
    • US711220
    • 1996-09-09
    • Mark A. Williams
    • Mark A. Williams
    • A46B13/02B08B9/04B08B9/045F23J3/02F28G3/04A47L5/38
    • F28G3/04A46B13/02B08B9/0436B08B9/045F23J3/026
    • A duct cleaning device, including a flexible conduit with a first, inlet end and a second, outlet end. An end cap with a central hole is attached to the first end; a connector adapted for coupling the device to a vacuum hose (or the inlet of a vacuum cleaner) is attached to the second end. A flexible, radially-projecting brush is attached to the exterior of the conduit, extending helically about the conduit; a plurality of throughholes (some of which carry flexible, radially-projecting tubes) are positioned near the brush. In operation, the device is connected to a source of vacuum. The first end is rotated while being moved into (or removed from) a duct, while the brush sweeps the interior surface of the duct to dislodge particulates of house dust and other contaminants from the surface. The particulates are swept into the conduit through the hole in the end cap and the throughholes in the conduit. The conduit and the brush are flexible, so the device can readily traverse offsets and bends in duct systems without damaging flexible plastic or fiberglass ducts.
    • 管道清洁装置,包括具有第一入口端和第二出口端的柔性管道。 具有中心孔的端盖连接到第一端; 适于将设备耦合到真空软管(或真空吸尘器的入口)的连接器附接到第二端。 柔性的径向伸出的刷子附接到导管的外部,螺旋地围绕导管延伸; 多个通孔(其中一些带有柔性的径向突出的管)位于刷子附近。 在操作中,该装置连接到真空源。 第一端在被移动(或从管道中移除)的同时旋转,同时刷子扫过管道的内表面以从表面移除房屋灰尘和其它污染物的微粒。 颗粒通过端盖中的孔和管道中的通孔扫入导管。 导管和刷子是柔性的,因此该装置可以容易地在管道系统中横穿偏移和弯曲而不损坏柔性塑料或玻璃纤维导管。