US Patent 9521867 Electronic cigarette light cap and electronic cigarette using the same

The invention discloses an electronic cigarette light cap and an electronic cigarette, wherein the electronic cigarette comprises cigarette holder and a cigarette pipe comprising a tube body and an electronic cigarette light cap, and the electronic cigarette light cap comprises a top cover, and a hollow and bottomless cap column perpendicularly extending along a back side of the top cover, forming an annular stage around the cap column; at least one air inlet hole is defined in a front side of the top cover, and the air inlet hole is communicating with the cap column; the air introduced from the air inlet hole gets into the atomizing passageway via the first gap, forming the airflow path. By implementing the electronic cigarette light cap and the electronic cigarette, the air flow may get retained to be unobstructed, smoking noise caused by obstructed airflow gets reduced, which improves the users' experience.