The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 2025
Filed:
Jun. 10, 2021
Philip Morris Products S.a., Neuchâtel, CH;
Oleg Fursa, Gempenach, CH;
Andreas Michael Rossoll, Le Mont-sur-Lausanne, CH;
Enrico Stura, Palézieux-Village, CH;
Stefan Weber, Regensburg, DE;
Philip Morris Products S.A., Neuchâtel, CH;
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.