Aerosol generator for detecting magnetic elements in articles

Abstract

The present invention relates to an aerosol generator. The device comprises a cavity configured to receive an aerosol-generating article containing an aerosol-forming substrate. The device comprises an inductive detector. The inductive detector is configured to detect magnetic elements of the aerosol-generating article by inductive coupling. The aerosol generator further comprises an aerosol-generating arrangement configured to generate an aerosol from the article. The inductive detector is separated from the aerosol-generating arrangement.

Claims

1. Aerosol generator, A cavity configured to receive an aerosol-generating article containing an aerosol-forming substrate, Equipped with an induction detector, The inductive detector is configured to detect the magnetic elements of the aerosol generating article by inductive coupling. An aerosol generator further comprising an aerosol generating arrangement configured to generate aerosols from the article, wherein the induction detector is separated from the aerosol generating arrangement.

2. The aerosol generator according to claim 1, wherein the induction detector comprises a sensing element, preferably a sensing coil, and the sensing element is arranged to at least partially, preferably completely, surround the cavity.

3. The aerosol generating apparatus according to any one of claims 1 to 2, wherein the aerosol generating arrangement preferably includes a heating arrangement comprising an induction coil.

4. The aerosol generating apparatus according to any one of claims 2 and 3, wherein the sensing coil is a separate component from the induction coil, and preferably the sensing element is disposed at the proximal end of the cavity.

5. The aerosol generating apparatus according to any one of claims 1 to 4, wherein the apparatus comprises a controller, the controller is configured to identify an aerosol generating article based on the output of the induction detector, and preferably the output of the induction detector is a current induced in the sensing element.

6. An aerosol generating article comprising a magnetic element disposed on or within the aerosol generating article, wherein the magnetic element comprises a layer of magnetic ink, and preferably the magnetic element comprises at least one portion containing a magnetic material.

7. The aerosol generating article according to claim 6, wherein the portion of the magnetic material is provided in the form of one or more of a flake, a dot, and a line.

8. The aerosol generating article according to claim 6 or 7, wherein the magnetic element comprises two or more parts of a magnetic material, and the two or more parts of the magnetic material are arranged in a pattern.

9. The aerosol generating article according to any one of claims 6 to 8, wherein the article comprises an outer wrapper, and the magnetic element is disposed on the outer surface of the outer wrapper, on the inner surface of the outer wrapper, or inside the outer wrapper.

10. The aerosol generating article according to any one of claims 6 to 9, wherein the magnetic element is configured to form the circumferential surface of the article.

11. The aerosol generating article according to any one of claims 6 to 10, wherein the aerosol generating article comprises an aerosol forming substrate, the aerosol generating article comprises a wrapper for the aerosol forming substrate toward the distal end and another wrapper for a filter toward the proximal end, the wrapper for the filter is preferably made of paper, the magnetic element is provided on the wrapper for the filter, preferably the magnetic element is provided only on the wrapper for the filter.

12. The aerosol generating article according to claim 11, wherein the magnetic element does not extend from the wrapper for the filter onto any other wrapper of the article.

13. An aerosol generating system comprising an aerosol generating device according to any one of claims 1 to 5, and preferably an aerosol generating article according to any one of claims 6 to 12.

14. A method for detecting an aerosol generating article in an aerosol generating device of the aerosol generating system according to claim 13, comprising detecting the magnetic elements of the aerosol generating article by inductive coupling via an inductive detector.

15. The method according to claim 14, wherein the method includes inserting the aerosol generating article into the cavity of the aerosol generating device to generate the output of the induction detector, and identifying the aerosol generating article via a controller based on the output of the induction detector.

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