| 摘要 |
PCT No. PCT/GB96/01348 Sec. 371 Date Feb. 3, 1998 Sec. 102(e) Date Feb. 3, 1998 PCT Filed Jun. 7, 1996 PCT Pub. No. WO96/40546 PCT Pub. Date Dec. 19, 1996A transparent canopy (7) covers an infant seated within a baby-buggy for protecting him/her from exposure to ambient-air pollution, and a powered filter-unit (9) blows filtered ambient-air into the top of the compartment (8) between the canopy (7) and the seat-unit (4). The bottom of the compartment (8) is open where a lower, apron portion (16) of the canopy (7) hangs spaced from the seated-infant's legs. Entry of polluted air via the opening is blocked by operating the powered filter-unit (9) to create positive pressure within the compartment (8) so that the filtered air flows downwardly of the infant's face and body; a mesh inset (20) in the canopy (7) gives balanced ventilation and avoids heat build-up. The seat-unit (4) involves a back panel (25) suspended by fabric sections (26-28) within a frame (5). The panel (25) can be unlatched (29) to adapt the seat-unit (4) for use as a carry-cot.
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