| 摘要 |
A central vacuum cleaning system has a tube having a nozzle at an inlet of the tube for sucking air containing dust, a filter carrier connected with an outlet of the tube by an inlet of the filter carrier for filtering the sucked air, an intake hose connecting with an outlet of the filter carrier by an inlet of the intake hose for serving as a passage of the filtered air, an air intake box installed at a place to be cleaned and an outlet of the intake hose detachably connected with the air intake box, and a machine unit having a motor for forcedly sucking air through the air intake box. The inet of the intake hose is swivelly connected with the filter carrier. |
