Smoking article using steam as an aerosol-generating source

A non-burning cigarette holder comprising:

• a housing including an upstream cylindrical section of a low-heat conducting material and a downstream cylindrical section of high heat conducting material, said upstream section having a first upstream chamber for receiving a fuel source, said first upstream chamber having a porous medium therein said porous medium including fuel, and a second downstream chamber defining a fuel mixture chamber in flow communication with said first upstream chamber;
• said downstream section having a flame holder downstream of said second downstream chamber and a flame chamber disposed between said flame holder and a cigarette receiving chamber.

A non-burning cigarette holder comprising:

• a housing including an upstream cylindrical section of a low-heat conducting material and a downstream cylindrical section of high heat conducting material, said upstream section having a first upstream chamber for receiving a fuel source, said first upstream chamber having a porous medium therein said porous medium including fuel and further including an air cartridge attached to an upstream end of said upstream section in flow communication with said fuel in said porous medium, and a second downstream chamber defining a fuel mixture chamber in flow communication with said first upstream chamber;
• said downstream section having a flame holder downstream of said second downstream chamber and a flame chamber disposed between said flame holder and a cigarette receiving chamber.