# US 11,298,474 B2 · Electronic cigarette

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- Number: US 11,298,474 B2
- Document ID: US11298474B2
- Status: Granted
- Kind: B2
- Application number: 16/572,571
- Filed: 2019-09-16
- Published: 2020-10-08
- Granted: 2022-04-12
- Earliest claimed: 2019-04-02
- Applicants: Tuanfang Liu
- Inventors: Tuanfang Liu
- Web page: https://patentgrep.com/patent/US11298474B2

## CPC

- A24F 40/40: Constructional details, e.g. connection of cartridges and battery parts
- A61M 11/042: {electrical}
- A24F 40/49: Child proofing
- A24B 15/167: in liquid or vaporisable form, e.g. liquid compositions for electronic cigarettes
- A24F 40/10: Devices using liquid inhalable precursors
- 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)}
- A24B: MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF

## Abstract

An electronic cigarette including an atomization assembly and a battery assembly. The atomization assembly includes a mouthpiece; a first spring disposed in a cavity of the mouthpiece; a first connection ring; a first seal ring sealing the first connection ring; a first fixed seat fixing the mouthpiece; a silicone gasket; a hollow rod; a first fixed ring fixing the hollow rod; a glass tube; a second seal ring and a third seal ring sealing two ends of the glass tube, respectively; a second fixed ring fixing the glass tube; an atomizer; a regulating ring; a second fixed seat fixing the atomizer; a fourth seal ring and a fifth seal ring sealing two ends of the second fixed seat, respectively; a second spring; a first threaded ring; a first insulation ring being sheathed on the atomizer; and a first joint directly connected to the atomizer.

## Claims

### Claim 1

A device, comprising:
1) an atomization assembly, the atomization assembly comprising:
a mouthpiece;
a first spring disposed in a cavity of the mouthpiece;
a first connection ring;
a first seal ring sealing the first connection ring;
a first fixed seat fixing the mouthpiece;
a silicone gasket;
a hollow rod;
a first fixed ring fixing the hollow rod;
a glass tube;
a second seal ring and a third seal ring sealing two ends of the glass tube, respectively;
a second fixed ring fixing the glass tube;
an atomizer;
a regulating ring;
a second fixed seat fixing the atomizer;
a fourth seal ring and a fifth seal ring sealing two ends of the second fixed seat, respectively;
a second spring;
a first threaded ring;
a first insulation ring being sheathed on the atomizer; and
a first joint directly connected to the atomizer; and
2) a battery assembly, the battery assembly comprising:
a cover plate;
a plurality of first screws fixing the cover plate;
a power button;
a button board;
a support;
a housing;
a second threaded ring;
a second connection ring;
a press plate;
a press key;
a silicone cap;
a base cover;
a plurality of second screws fixing the base cover;
a second joint;
a second spring;
a second insulation ring;
a third fixed ring fixing the second joint;
a magnet;
a fifth fixed ring fixing the magnet;
a sixth seal ring;
an elastic fixed seat fixing the second joint;
an e-liquid blocker;
a battery core; and
a third connection ring connected to a negative end of the battery core;
wherein:
the first seal ring is disposed on one end of the first connection ring; the one end of the first connection ring is directly connected to the first fixed seat fixing the mouthpiece; the first spring is sheathed on the first connection ring; the mouthpiece is fixed on the first fixed seat;
the silicone gasket and the second seal ring are disposed on the first fixed ring; the first fixed seat is in threaded connection to the first fixed ring; the first fixed ring is in threaded connection to the glass tube; the hollow rod is disposed on the second fixed ring; the third seal ring is sheathed on the second fixed ring; the second fixed ring is disposed in the glass tube;
the first insulation ring is sheathed on the first joint; the first joint is disposed in the first threaded ring; the second spring is disposed on the first threaded ring; the first threaded ring is disposed in the second fixed seat; the fourth seal ring and the fifth seal ring are disposed on two ends of the second fixed seat, respectively; the regulating ring is sheathed on the second fixed seat; the atomizer is in threaded connection to the second fixed seat; and the second fixed seat is in threaded connection to the second fixed ring;
the second spring is sheathed on the third fixed ring; the second joint is fixed on the third fixed ring; the second insulation ring is sheathed on the second joint and disposed in the fifth fixed ring; the fifth fixed ring is disposed in the magnet; the magnet is disposed in the elastic fixed seat;
the e-liquid blocker is disposed on one end of the third fixed ring; the third connection ring is directly connected to the elastic fixed seat; the sixth seal ring is disposed on the elastic fixed seat; the elastic fixed seat is disposed in the housing; the battery core is disposed in the housing;
the second connection ring is disposed in the second threaded ring and is in magnetic connection to the magnet;
the power button is disposed on the button board; the button board is disposed on the support; the support is disposed in the housing;
the cover plate is fixed on the housing via the plurality of first screws; and
the silicone cap is disposed on the press key: the press key is disposed on the press plate; the press plate is disposed on the base cover; and the base cover is fixed on the housing via the plurality of second screws.