| 摘要 |
The present invention relates to a surface treating appliance comprising, a regenerative filter, and a filter regenerator, the regenerative filter comprising a length of filter material rolled into a first scroll type filter through which air to be filtered can pass and a second scroll type filter through which air to be filtered can pass, the regenerative filter being arranged such that the filter material is movable in both directions between the first and second scroll type filters, the filter material passing through a filter regenerator as it moves between the first and second scroll type filters during use, the separating apparatus further comprising at least one drive means which moves the filter material between the first and second scrolls continuously during use of the surface treating appliance such that the filter material is constantly getting regenerated as it passes through the filter regenerator. |
