US Patent 9498002 Multi-chamber vaporizer

A multi-chamber vaporizer is disclosed. The vaporizer includes a heating assembly with a heating element, the heating element having a portion thermally coupled to an airflow passage. A plurality of herbal placement chambers is rotatable relative to the airflow passage. Further, a track assembly having an herbal support surface extends about a central axis at a track radius and with a motor operably configured to rotate the herbal support surface about the central axis at a rotation rate. The herbal support surface is operably configured to support the herbal placement chambers thereon for rotation about the central axis to the airflow passage.