US Patent 9795169 Replaceable vaporizer assembly and electronic cigarette having the same

Electronic cigarettes may include an electronic cigarette, and a replaceable vaporizer assembly. Electronic cigarette may include a mouthpiece, an E-liquid storage tank, an E-liquid storage tank cover, a cylindrical connector, and a vaporizer mounting base having an internal thread. The replaceable vaporizer assembly may include a vaporizer assembly mounting base having an external thread of the vaporizer assembly mounting base. The replaceable vaporizer assembly may be replaced by removing mouthpiece, rotating cylindrical connector to misalign a first and a second cylindrical connector openings of cylindrical connector against a first and a second vaporizer assembly mounting base openings of the vaporizer assembly mounting base to prevent E-liquid leakage, rotating replaceable vaporizer assembly through vaporizer central air passage tube to detach vaporizer assembly mounting base from vaporizer mounting base, pulling up the replaceable vaporizer assembly, replacing a new replaceable vaporizer assembly, and reinstalling the mouthpiece back in place.