Aerosol-generating device for generating an aerosol by inductive heating of an aerosol-forming substrate
US12349734B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2021 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Apr 3, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA24F40/20
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An aerosol-generating device for generating an aerosol by inductive heating of an aerosol-forming substrate is provided, the device including: a device housing including a cavity to removably receive the substrate; an inductive heating arrangement including an induction coil to generate a varying magnetic field within the cavity and being arranged around at least a portion of the cavity; and a flux concentrator arranged around at least a portion of the coil and being configured to distort the field of the arrangement towards the cavity, the flux concentrator including a multi-layer flux concentrator foil having a magnetic layer laminated with at least a first support layer, the magnetic layer including a plurality of separated fragments of a soft magnetic alloy and being arranged in a pattern including a plurality of crack centers, and a plurality of cracks spread radially outwards from each crack center in a web-shaped pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.