US Patent 9526272 Electronic cigarette

The present invention discloses an electronic cigarette. The electronic cigarette includes a battery container, an outer sleeve connected to the battery container, a battery assembly received in the battery container, an atomizer seat defining a second through hole, a glass fiber tube defining a channel and an atomizer electrode defining a first through hole. ALL of the atomizer seat, the glass fiber tube and the atomizer electrode is received in the outer sleeve. The battery container defines at least one air inlet. A first gap is formed between the atomizer electrode and the battery assembly in an axial direction. The air inlet is communicated with the first gap. The air inlet, the first through hole, the second through hole and the channel form an air flow loop. When a user hands the electronic cigarette, his/her fingers would not plug up the air inlet.