Air freshening device

Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus

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Details

55387, 55515, 239 55, 239 57, 239 60, 422 5, 422122, 422124, B01D 3904

Patent

active

050872737

ABSTRACT:
An air freshening device used in conjunction with an air circulation system of a business or residential building for impregnating the air with an aromatic scent. The device comprises a rectangular envelope made out of an air permeable synthetic mesh containing a plurality of aromatic beads. The envelope has a fastener at one corner. It is affixed to the internal conduit of the air circulation system, preferably to the main air filter for the system. As air passes through the air permeable envelope, the aromatic beads volatize, saturating the air with a fragrant scent. The air is then transferred throughout the building via the normal conduit or duct system.

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patent: 4913942 (1990-04-01), Jick

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