| 摘要 |
PCT No. PCT/SE91/00394 Sec. 371 Date Oct. 29, 1992 Sec. 102(e) Date Oct. 29, 1992 PCT Filed Jun. 4, 1991 PCT Pub. No. WO91/19617 PCT Pub. Date Dec. 26, 1991.An arrangement for filtering the air entering the interior of a vehicle, particularly the interior of a car, includes a coarse filter, a fan unit and a fine-filtering unit. The whole of the arrangement is combined to form a unit which can be fitted to the vehicle in the manner of a conventional, openable roof hatch (b 2). When closed, the hatch has a rear part which projects above the roof of the vehicle and which includes an ambient air intake opening (3) in which the coarse filter is mounted. The hatch also includes a vehicle interior air intake opening (9), a shutter (11) for closing the ambient air intake opening and the interior air intake opening to a desired extent, and at least one outlet opening (8) through which filtered air is blown into the vehicle interior.
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