Aerosol-generating device with offset airflow channel
The invention relates to an aerosol-generating device. The aerosol-generating device comprises an air inlet. The aerosol-generating device comprises an air outlet. The aerosol-generating device comprises a heating element. The heating element comprises a mesh heater in fluid communication with the air inlet. The aerosol-generating device comprises a first airflow channel extending from the heating element in a first direction along the longitudinal axis of the aerosol-generating device. The aerosol-generating device comprises a second airflow channel arranged downstream of the first airflow channel and extending from the first airflow channel to the air outlet in a second direction. The first direction and the second direction are different from each other.
1 . An aerosol-generating device comprising:
an air inlet;
an air outlet;
a heating element, wherein the heating element comprises a mesh heater in fluid communication with the air inlet;
a first airflow channel extending from the heating element in a first direction along a longitudinal axis of the aerosol-generating device;
a second airflow channel arranged downstream of the first airflow channel and extending from the first airflow channel to the air outlet in a second direction, wherein the first direction and the second direction are different from each other, wherein a cross-sectional area of the second airflow channel increases in a downstream direction, and wherein a downstream end face of the second airflow channel defines a maximum cross-sectional area of the second airflow channel; and
a third airflow channel perpendicularly arranged to the longitudinal axis of the aerosol-generating device and extending between the air inlet and the heating element to draw ambient air across the heating element.
2 . The aerosol-generating device according to claim 1 , wherein the first airflow channel is arranged laterally offset from the longitudinal axis of the aerosol-generating device.
3 . The aerosol-generating device according to claim 1 , wherein the third airflow channel is inclined with respect to the longitudinal axis of the aerosol-generating device.
4 . The aerosol-generating device according to claim 1 , wherein the first airflow channel has a circular cross-section.
5 . The aerosol-generating device according to claim 1 , wherein the second airflow channel is shaped to direct the airflow laterally towards the longitudinal axis of the aerosol-generating device.
6 . The aerosol-generating device according to claim 1 , wherein the downstream end face of the second airflow channel is centrally arranged on the longitudinal axis of the aerosol-generating device.
7 . The aerosol-generating device according to claim 1 , wherein the mesh heater is centrally arranged on the longitudinal axis of the aerosol-generating device.
8 . The aerosol-generating device according to claim 1 , wherein the heating element is substantially flat.
9 . The aerosol-generating device according to claim 1 , wherein the heating element is configured as an electrically resistive metal heater.
10 . The aerosol-generating device according to claim 1 , wherein the aerosol-generating device comprises a liquid storage portion, wherein the liquid storage portion comprises an opening and wherein the mesh heater is arranged extending across the opening.
11 . An aerosol-generating system comprising the aerosol-generating device according to claim 1 and an aerosol-forming substrate.