Electrical heating assembly for heating an aerosol-forming substrate
US12419352B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 6, 2019 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Jul 26, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24F40/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A heating assembly for heating an aerosol-forming substrate is provided, the assembly including a cup-shaped heating chamber to receive the substrate to be heated, the chamber being formed at least by a sleeve portion and a bottom portion that is disposed at a distal end of the chamber opposite to an open proximal end of the chamber; a first electrical heater including at least one first heating element circumferentially arranged around the sleeve portion and being configured to heat the sleeve portion at least to a first temperature; and a second electrical heater including at least one second heating element arranged at an outer end face of the bottom portion and being configured to heat the bottom portion at least to a second temperature. An electrically heated aerosol-generating device and an aerosol-generating system including the heating assembly are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.