# US 11,439,187 B2 · Electronic cigarette

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- Number: US 11,439,187 B2
- Document ID: US11439187B2
- Status: Granted
- Kind: B2
- Application number: 16/899,605
- Filed: 2020-06-12
- Published: 2021-04-01
- Granted: 2022-09-13
- Earliest claimed: 2019-09-26
- Applicants: Tuanfang Liu
- Inventors: Tuanfang Liu
- Web page: https://patentgrep.com/patent/US11439187B2

## CPC

- A24F 40/42: Cartridges or containers for inhalable precursors
- A61M 11/04: operated by the vapour pressure of the liquid to be sprayed or atomised {(air-humidification, e.g. "room humidifiers" F24F6/00)}
- A24F 40/10: Devices using liquid inhalable precursors
- A24F 40/40: Constructional details, e.g. connection of cartridges and battery parts
- A24F 40/50: Control or monitoring
- A61M 11/08: Pocket atomisers of the injector type {(aerosol cans A61M15/009)}
- A61M 15/0021: {Mouthpieces therefor}
- A61M 15/06: Inhaling appliances shaped like cigars, cigarettes or pipes
- A61M 2205/8206: battery-operated
- A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06)
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}

## Abstract

An electronic cigarette including an atomization assembly and a base assembly. The atomization assembly includes a mouthpiece; a first seal ring; a first seal cover; an airflow regulation ring; a permanent seat; an O-shaped ring; an atomizer; a second seal ring; a funnel; a third seal ring; a spring; an e-liquid injector; a fourth seal ring; a second seal cover; a fifth seal ring; a press cover; a positive terminal; a first silicone pad; a connection cylinder; a cover plate; a sixth seal ring; an e-liquid tank; a seventh seal ring; a negative terminal; a first circular magnet; a first strip magnet; and a magnet cover. The battery assembly includes: a second circular magnet; a second strip magnet; a housing; a front cover plate; a press button; a back cover plate; a silicone plug; a battery; a control plate; a second silicone pad; and a LED cover.

## Claims

### Claim 1

A device, comprising: an atomization assembly and a battery assembly; the atomization assembly being disposed on the battery assembly;
the atomization assembly comprising:
1) a mouthpiece;
2) a first seal ring;
3) a first seal cover;
4) an airflow regulation ring;
5) a permanent seat;
6) an O-shaped ring;
7) an atomizer;
8) a second seal ring;
9) a funnel;
10) a third seal ring;
11) a spring;
12) an e-liquid injector;
13) a fourth seal ring;
14) a second seal cover;
15) a fifth seal ring;
16) a press cover;
17) a positive terminal;
18) a first silicone pad;
19) a connection cylinder;
20) a cover plate;
21) a sixth seal ring;
22) an e-liquid tank;
23) a seventh seal ring;
24) a negative terminal;
25) a first circular magnet;
26) a first strip magnet; and
27) a magnet cover;
the battery assembly comprising:
28) an end cover;
29) a second circular magnet;
30) a second strip magnet;
31) a housing;
32) a front cover plate;
33) a press button;
34) a back cover plate;
35) a silicone plug;
36) a pogo pin;
37) a support;
38) a battery;
39) a control plate;
40) a second silicone pad; and
41) a LED cover;
wherein:
the third seal ring and the spring are sequentially disposed on the funnel in that order; the funnel is disposed in the e-liquid injector;
the fourth seal ring is disposed on the second seal cover; the second seal cover is directly connected to the funnel; the second seal ring encircles one end of the e-liquid injector; the e-liquid injector is disposed on the cover plate;
the sixth seal ring encircles the cover plate; the cover plate is disposed on a first end face of the e-liquid tank; the seventh seal ring encircles the negative terminal; the negative terminal is disposed on a second end face of the e-liquid tank; the first circular magnet and the first strip magnet are disposed on two sides of the second end face of the e-liquid tank; the magnet cover is directly connected to the second end face of the e-liquid tank;
the positive terminal is disposed on the first silicone pad; the press cover covers the first silicone pad; the press cover and the first silicone pad are disposed in the connection cylinder; the positive terminal is directly connected to the fifth seal ring; the positive terminal and the fifth seal ring are disposed in an opening of the cover plate;
the first seal ring and the O-shaped ring are disposed on two ends of the permanent seat, respectively; the airflow regulation ring encircles the permanent seat;
the first seal cover is disposed in the permanent seat; the atomizer is in threaded connection to the permanent seat; the atomizer and the permanent seat are disposed in the connection cylinder; the mouthpiece is directly connected to the e-liquid tank;
the second circular magnet and the second strip magnet are fixed on the housing by the end cover; the pogo pin is disposed in a through hole of the support; and the silicone plug covers the pogo pin; and
the battery is connected to positive and negative terminals of the control plate; the second silicone pad and the LED cover are disposed on the control plate; the control plate is disposed in the support; the support is disposed in the housing; the press button is disposed on the housing; and the front cover plate and the back cover plate are disposed on two opposite sides, respectively.