Patent ID: 7387265
Filing Date: 2008-06-17
Classification: A61L,B05B

Abstract:
1. An apparatus for freshening air, the apparatus comprising: a base unit having a recess configured to engage at least one cartridge; a power supply operably connected to the base unit; an active portion of a nebulizer, wherein the active portion includes a piezoelectric element connected to be driven by a driving and switching circuit connected to be powered by the power supply, wherein the active portion of the nebulizer is incorporated with the base unit; a detachable autonomous liquid droplet dispensing cartridge detachably engagable with the recess of the base unit, wherein the cartridge comprises (a) a first airless bag for storing a first nebulizable liquid, (b) a second airless bag for storing a second nebulizable liquid, (c) a passive portion of the nebulizer, wherein the passive portion includes an interface, a nozzle membrane that incorporates a nozzle array, and a joining member, wherein the joining member engages the piezoelectric element when the cartridge is engaged in the recess of the base unit; and (d) a casing enclosing the first bag and the second bag, and housing the passive portion; wherein when the dispensing cartridge is engaged with the recess of the base unit, the passive portion is connected to the active portion of the nebulizer.