An Aerosol Generating Device With An Insulating Chamber

Abstract

An aerosol generating device includes an insulating chamber, which may be a vacuum chamber, defined between an inner wall and an outer wall. A heating chamber is defined radially inwardly of the inner wall. The device also includes a heater on an outer surface of the inner wall. The heater is electrically connected to a first region of the outer wall and to a second region of the outer wall. The first and second regions are electrically insulated from each other by an insulator.

1 . An aerosol generating device, comprising:
 a chamber defined between an inner wall and an outer wall, the outer wall made of an electrically conductive material, wherein a heating chamber configured to receive an aerosol forming substrate is defined radially inwardly of the inner wall; and   a heater on an outer surface of the inner wall;   wherein the heater is electrically connected to a first region of the outer wall and a second region of the outer wall, and wherein the first and second regions are electrically insulated from each other.   
     
     
         2 . The aerosol generating device according to  claim 1 , wherein the chamber is a vacuum chamber. 
     
     
         3 . The aerosol generating device according to  claim 1 , wherein the heater and the first region of the outer wall are biased towards one another. 
     
     
         4 . The aerosol generating device according to  claim 1 , wherein the heater and the second region of the outer wall are biased towards one another. 
     
     
         5 . The aerosol generating device according to  claim 1 , wherein the outer wall comprises a side wall and a bottom wall. 
     
     
         6 . The aerosol generating device according to  claim 5 , wherein the first region of the outer wall is on the side wall and the second region of the outer wall is on the bottom wall. 
     
     
         7 . The aerosol generating device according to  claim 5 , wherein the first region of the outer wall is on the side wall and the second region of the outer wall is on the side wall. 
     
     
         8 . The aerosol generating device according to  claim 5 , wherein the first region of the outer wall is on the bottom wall and the second region of the outer wall is on the bottom wall. 
     
     
         9 . The aerosol generating device according to  claim 1 , wherein the first region and the second region are electrically connected, respectively, to a power source. 
     
     
         10 . The aerosol generating device according to  claim 1 , wherein a non-linear path is provided along a surface of an insulator outside the chamber between the first region of the outer wall and the second region of the outer wall. 
     
     
         11 . The aerosol generating device according to  claim 10 , wherein the insulator projects from the outer wall, outside the chamber. 
     
     
         12 . The aerosol generating device according to  claim 1 , wherein the first region of the outer wall is clamped by the second region of the outer wall. 
     
     
         13 . The aerosol generating device according to  claim 12 , wherein the second region of the outer wall comprises a groove in which the first region of the outer wall is configured to be received to be clamped. 
     
     
         14 . The aerosol generating device according to  claim 1 , wherein the first region of the outer wall is recessed from the second region of the outer wall. 
     
     
         15 . A method of manufacturing an aerosol generating device, comprising:
 forming a chamber between an inner wall and an outer wall, the outer wall being made of an electrically conductive material, and forming a heating chamber, configured to receive an aerosol forming substrate, defined radially inwardly of the inner wall;   providing a heater on an outer surface of the inner wall;   making an electrical connection between the heater and a first region of the outer wall and between the heater and a second region of the outer wall; and   electrically insulating the first and second regions from one another.