Aerosol generating device having an internal heater
US11638793B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2020 |
| Grant date | May 2, 2023 |
| Priority date | — |
| Expiry date | Jun 12, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8268
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An aerosol generating device is provided, including a storage portion to store an aerosol-forming substrate and having an outer housing and an internal passageway, the portion forming a reservoir for the substrate between the housing and the passageway; a vaporizer including an electric heater to heat the substrate to form an aerosol, the vaporizer at least partially inside the passageway; and a porous interface at least partially lining the passageway to convey the substrate towards the vaporizer, the device being electrically operated, the heater including first and second electrical connection portions, and a heating filament therebetween, a cylindrical shape of the connection portions and the filament define a cylindrical bore, an air flow route is defined through the bore, and the first connection portion being a first cylindrical electrical connection portion, the second connection portion being a second cylindrical electrical connection portion, and the filament being a cylindrical heating element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.