Aerosol generator having temperature controlled heating zone and method of use thereof
US7173222B2 · kind B2 · utility
158Cited by
201References
20Claims
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Key dates
| Filing date | Oct 24, 2002 |
| Grant date | Feb 6, 2007 |
| Priority date | — |
| Expiry date | Mar 28, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3372
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A temperature and flow rate controlled capillary aerosol generator includes two heating zones optionally separated by a region in which a pressure drop is induced. Power is metered or applied to the downstream, second zone to achieve a target resistance, and therefore a target temperature, while power is metered or applied to the upstream, first zone to achieve a target mass flow rate exiting the second zone. A target temperature is achieved in the second zone to generate an aerosol from the liquid flowing through the generator at the desired mass flow rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.