Method and system for ambient air scenting and disinfecting based on flexible, autonomous liquid atomizer cartridges and an intelligent networking thereof
US7387265B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2003 |
| Grant date | Jun 17, 2008 |
| Priority date | — |
| Expiry date | Aug 24, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B12/1409
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for freshening air, comprising: a base unit having a recess for engaging at least one cartridge; a power supply operably connected to the base unit; an active portion of a nebulizer that includes a piezoelectric element connected to be driven by a driving and switching circuit connected to the power supply, wherein the active portion 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 first airless bag for storing a first nebulizable liquid, a second airless bag for storing a second nebulizable liquid, a passive portion of the nebulizer, wherein the passive portion includes an interface; a casing enclosing the first and second bags, and housing the passive portion; wherein when the dispensing cartridge engages the recess of the base unit, the passive portion is connected to the active portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.