US Patent 9814269 Atomizing device and electronic cigarette having same

An exemplary atomizing device includes a main body, a mouthpiece, a liquid chamber, at least one heating element, and a permeating component. The main body defines an air inlet and an air passage. The air inlet is in communication with the air passage. The mouthpiece is arranged at an end of the main body. The mouthpiece defines an air outlet in communication with the air passage. The liquid chamber is configured for storing tobacco liquid. The at least one heating element is arranged in the air passage. The at least one heating element is configured for heating the tobacco liquid to form aerosol. The permeating component has a heat absorbing surface. The at least one heating element is in contact with the heat absorbing surface. The permeating component is configured for guiding the tobacco liquid to the heat absorbing surface for atomization.