US Patent 9668523 Electronic cigarette

A device includes a casing extending in a longitudinal direction, a vaporizer configured to generate, a vapor, a mouth-end insert at an end of the casing, and a power supply configured to supply power to the vaporizer. The mouth-end insert includes a single, non-recessed end surface, and a plurality of non-diverging outlets in the mouth-end insert. The outlets are generally coplanar at the single, non-recessed end surface of the mouth-end insert.