US 12,575,609 B2 · Heater tube with thermal insulation and electrical isolation

Abstract

A heating assembly for an aerosol-generating device is provided, the heating assembly including: a substrate layer that is an electrically isolating substrate layer; and a heating element arranged on a first portion of the substrate layer, the substrate layer including a second portion on which the heating element is not disposed, the substrate layer being rolled into a tubular shape, such that the first portion of the substrate layer is positioned as an inner layer, the second portion of the substrate layer being positioned as an outer layer surrounding the first portion of the substrate layer, and the heating element being arranged between the first portion of the substrate layer and the second portion of the substrate layer.

Claims19

Dependent claims

A heating assembly for an aerosol-generating device, the heating assembly comprising:

a substrate layer, wherein the substrate layer is an electrically isolating substrate layer;
and
a heating element arranged on a first portion of the substrate layer,
wherein the substrate layer comprises a second portion on which the heating element is not disposed,
wherein the substrate layer is rolled into a tubular shape, such that the first portion of the substrate layer is positioned as an inner layer,
wherein the second portion of the substrate layer is positioned as an outer layer surrounding the first portion of the substrate layer, and
wherein the heating element is arranged between the first portion of the substrate layer and the second portion of the substrate layer.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

18/250,286Filed 25 Oct 2021

Priority

EP 2020449028 Oct 2020

Published

US 2023/0397665 A114 Dec 2023

Granted

17 Mar 2026

Term ends

Not estimatedThe source records don’t support an estimate.

Classification11 codes

A24F 40/46
Constructional details, e.g. connection of cartridges and battery parts: shape or structure of electric heating means
H05B 3/34
Heating elements having extended surface area substantially in a two-dimensional [2D] plane, e.g. plate-heater: flexible, e.g. heating nets or webs
A24F 40/51
Control or monitoring: arrangement of sensors
A24F 40/70
Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially…:…

Heater tube with thermal insulation and electrical isolation

Life of this patent

Heater tube with thermal insulation and electrical isolation

Life of this patent

Abstract

Claims19