摘要 |
An aroma cartridge for an aroma diffuser, characterized by the combination of a porous aroma block (92) for holding a quantity of an aroma producing liquid, a cartridge housing (80, l20) for holding said aroma block, said cartridge housing (80, l20) having a base (l40, l42) for supporting said block (92) on said aroma diffuser (l0) and a wall portion (8l, 82, 83, l23) extending upwardly from said base to surround said block, said base having an opening (200) therein, and a trough (85 or 86) disposed to collect liquid which may condense on the interior surface of said wall portion, and wherein said block comprises a projecting portion (98 or 99) which engages said trough to reabsorb said condensed liquid into said block. |