Electronic cigarette

摘要

An electronic smoking article includes a liquid supply including liquid material, a heater operable to heat the liquid material to a temperature sufficient to vaporize the liquid material and form an aerosol, a wick in communication with the liquid material and in communication with the heater such that the wick delivers the liquid material to the heater, at least one air inlet operable to deliver air to a central air passage upstream of the heater, and a fibrous element downstream of the heater.

主权项

1. An electronic smoking article comprising:
an outer tube extending in a longitudinal direction; an inner tube within the outer tube; a liquid supply comprising a nicotine-free liquid material, the liquid supply contained in an outer annulus between the outer tube and the inner tube; a heater located in the inner tube; a wick in communication with the liquid supply and surrounded by the heater such that the wick delivers liquid material to the heater and the heater heats the liquid material to a temperature sufficient to vaporize the liquid material and form a nicotine-free aerosol in the inner tube; and a fibrous element located downstream of the heater and including nicotine dispersed in the fibrous element, such that the aerosol picks up nicotine as the aerosol passes through the fibrous element.