# US 11,992,049 B2 · Electronic cigarette

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,992,049 B2
- Document ID: US11992049B2
- Status: Granted
- Kind: B2
- Application number: 17/298,667
- Filed: 2019-11-05
- Published: 2022-01-20
- Granted: 2024-05-28
- Earliest claimed: 2018-11-30
- Assignees: Shenzhen First Union Technology Co., Ltd.
- Applicants: Shenzhen First Union Technology Co., Ltd.
- Inventors: Zhi Yuan; Zhongli Xu; Yonghai Li
- Web page: https://patentgrep.com/patent/US11992049B2

## CPC

- A24F 40/42: Cartridges or containers for inhalable precursors
- A24F 40/485: Valves; Apertures
- A24F 40/10: Devices using liquid inhalable precursors
- A61M 11/042: {electrical}
- A61M 15/06: Inhaling appliances shaped like cigars, cigarettes or pipes
- A61M 15/0021: {Mouthpieces therefor}
- A61M 2016/0018: {electrical}
- A61M 2205/50: with microprocessors or computers
- 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 includes an outer housing. An atomizing sheath is received in the outer housing. An aerosol output passageway is defined between the outer housing and the atomizing sheath. An extending portion extends inwards from an inner wall of the atomizing sheath to divide the atomizing sheath into a first sleeve body and a second sleeve body for respectively storing atomizing liquid therein. The extending portion blocks incompletely the first sleeve body from the second sleeve body so that the first sleeve body and the second sleeve body are spatially communicated with each other. An atomizing core is disposed in the second sleeve body. An atomizing passageway is formed in the atomizing core. The extending portion forms therein an airflow path penetrating a wall of the atomizing sheath. The airflow path is used to spatially communicate the atomizing passageway with the aerosol output passageway.

## Claims

### Claim 1

An electronic cigarette, comprising:
an outer housing;
an atomizing sheath received in the outer housing, at least one aerosol output passageway being defined between the outer housing and the atomizing sheath;
an extending portion extending inwards from an inner wall of the atomizing sheath to divide the atomizing sheath into a first sleeve body and a second sleeve body for respectively storing atomizing liquid therein, the extending portion blocking incompletely the first sleeve body from the second sleeve body so that the first sleeve body and the second sleeve body are spatially communicated with each other;
an atomizing core disposed in the second sleeve body, an atomizing passageway being formed in the atomizing core, the atomizing core used to atomize the atomizing liquid for generating aerosol and releasing the generated aerosol into the atomizing passageway;
wherein the extending portion is a hollow structure to form an airflow path penetrating a wall of the atomizing sheath, the airflow path is used to spatially communicate the atomizing passageway with the at least one aerosol output passageway.

### Claim 2 (depends on 1)

The electronic cigarette as claimed in claim 1, wherein the extending portion extends perpendicularly to a lengthwise direction of the atomizing sheath, a liquid storage cavity is formed in the first sleeve body, a transitional storage cavity is formed in the second sleeve body, a communicating through hole is disposed on the extending portion to spatially communicate the liquid storage cavity with the transitional storage cavity.

### Claim 3 (depends on 2)

The electronic cigarette as claimed in claim 2, wherein the first sleeve body comprises two separating walls, the at least one aerosol output passageway is separated to become two aerosol output passageways respectively formed between the two separating walls and the outer housing, the two aerosol output passageways are respectively disposed at two opposite sides of the liquid storage cavity, and are respectively spatially communicated with the airflow path.

### Claim 4 (depends on 3)

The electronic cigarette as claimed in claim 3, wherein the electronic cigarette further comprises an inhaling nozzle assembly, the inhaling nozzle assembly is disposed at one end of the atomizing sheath to seal the liquid storage cavity, an aerosol outlet is disposed on the inhaling nozzle assembly to be spatially communicated with the at least one aerosol output passageway.

### Claim 5 (depends on 4)

The electronic cigarette as claimed in claim 4, wherein the inhaling nozzle assembly comprises a nozzle, the nozzle comprises a main body and a connecting piece extending from the main body toward the extending portion, a first protrusion is disposed at a distal end of the connecting piece, a second protrusion is disposed at the atomizing sheath to be engaged with the first protrusion, and the nozzle and the atomizing sheath are undetachably engaged with and fixed to each other.

### Claim 6 (depends on 5)

The electronic cigarette as claimed in claim 5, wherein the inhaling nozzle assembly further comprises a sealing piece, a sealing sleeve part extends from the main body toward the extending portion, the sealing sleeve part is received in the liquid storage cavity, the sealing piece surrounds and is disposed outside the sealing sleeve part.

### Claim 7 (depends on 6)

The electronic cigarette as claimed in claim 6, wherein a communication hole is disposed on the sealing piece, a vent is disposed at a sleeve wall of the sealing sleeve part, the communication hole and the vent are spatially communicated with each other.

### Claim 8 (depends on 2)

The electronic cigarette as claimed in claim 2, wherein the electronic cigarette further comprises a base seat, the base seat is accommodated and fixed in the second sleeve body, a fixing sleeve part extends from the extending portion toward the base seat, a gap is formed between the base seat and the fixing sleeve part along a lengthwise direction of the atomizing sheath, an end of the atomizing core is received in the fixing sleeve part, and the opposite other end of the atomizing core is received in the base seat, atomizing liquid stored in the transitional storage cavity enters the atomizing passageway of the atomizing core via the gap to be atomized.

### Claim 9 (depends on 2)

The electronic cigarette as claimed in claim 2, wherein the communicating through hole is set as two communicating through holes, the two communicating through holes are respectively located at two opposite sides of the airflow path.

### Claim 10 (depends on 1)

The electronic cigarette as claimed in claim 1, wherein the outer housing is hollow, a circumferential wall of the outer housing comprises at least one window, the atomizing sheath is made by transparent material, a remaining quantity of atomizing liquid stored in the atomizing sheath is viewable from the at least one window.