Aerosol-generating system comprising multiple aerosol-forming substrates and a transfer element
An aerosol-generating system includes a cartridge and an aerosol-generating device. The cartridge includes a cartridge housing, a first aerosol-forming substrate and a second aerosol-forming substrate in the cartridge housing. The aerosol-generating device defines a cavity configured to receive at least a portion of the cartridge along a first direction and the aerosol-generating device includes a transfer element extending from an end wall of the cavity, the transfer element having a longitudinal axis extending substantially parallel to the first direction, the transfer element contacts the second aerosol-forming substrate when the portion of the cartridge is in the cavity, an electric heater including a resistive heating coil wrapped around a portion of the transfer element, the resistive heating coil being wrapped around the longitudinal axis of the transfer element, a power supply, and a controller configured to control a supply of electrical power to the electric heater.
1. An aerosol-generating system comprising:
a cartridge including a cartridge housing, a first aerosol-forming substrate in the cartridge housing and a second aerosol-forming substrate in the cartridge housing; and
an aerosol-generating device defining a cavity configured to receive at least a portion of the cartridge along a first direction, the aerosol-generating device including,
a transfer element extending from an end wall of the cavity, the transfer element having a longitudinal axis extending substantially parallel to the first direction, the transfer element contacts the second aerosol-forming substrate when the portion of the cartridge is in the cavity,
an electric heater including a resistive heating coil wrapped around a portion of the transfer element, the resistive heating coil being wrapped around the longitudinal axis of the transfer element,
a power supply, and
a controller configured to control a supply of electrical power from the power supply to the electric heater.
2. The aerosol-generating system according to claim 1 , wherein the cartridge further comprises a porous carrier material, and the second aerosol-forming substrate is on the porous carrier material.
3. The aerosol-generating system according to claim 2 , wherein the transfer element contacts the porous carrier material.
4. The aerosol-generating system according to claim 2 , wherein the cartridge comprises a removable seal overlying the porous carrier material at a first end of the cartridge housing.
5. The aerosol-generating system according to claim 2 , wherein the cartridge comprises a frangible seal, and the transfer element is configured to pierce the frangible seal when the aerosol-generating device receives the cartridge.
6. The aerosol-generating system according to claim 5 , wherein the transfer element comprises a first end connected to the end wall of the cavity and a second end opposite the first end, and the second end of the transfer element defines a piercing portion configured to pierce the frangible seal.
7. The aerosol-generating system according to claim 6 , wherein a diameter of the piercing portion decreases in a direction along the longitudinal axis and towards the second end.
8. The aerosol-generating system according to claim 2 , wherein the porous carrier material has an annular shape defining a passage within the porous carrier material, and the transfer element is at least partially received within the passage when the aerosol-generating device receives the cartridge.
9. The aerosol-generating system according to claim 2 , wherein the cartridge comprises an airflow channel between the porous carrier material and the cartridge housing, and a downstream end of the airflow channel is in fluid communication with the first aerosol-forming substrate.
10. The aerosol-generating system according to claim 1 , wherein the first aerosol-forming substrate comprises tobacco.
11. The aerosol-generating system according to claim 1 , wherein the second aerosol-forming substrate comprises nicotine.
12. The aerosol-generating system according to claim 1 , wherein the second aerosol-forming substrate is substantially free from nicotine.
13. The aerosol-generating system according to claim 1 , wherein the first aerosol-forming substrate is solid and the second aerosol-forming substrate is liquid.