# US 2021/0274847 A1 · Electronic cigarette atomizer and electronic cigarette

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- Number: US 2021/0274847 A1
- Document ID: US20210274847A1
- Status: Published application
- Kind: A1
- Application number: 17/254,766
- Filed: 2019-06-20
- Published: 2021-09-09
- Earliest claimed: 2018-06-22
- Assignees: China Tobacco Hunan Industrial Co., Ltd.
- Applicants: China Tobacco Hunan Industrial Co., Ltd.
- Inventors: Jianfu Liu; Kejun Zhong; Xiaoyi Guo; Wei Huang; Xinqiang Yin; Jianhua Yi; Lizhou Shen; Yongquan Zhou
- Web page: https://patentgrep.com/patent/US20210274847A1

## CPC

- A24F 40/485: Valves; Apertures
- A24F 40/05: Devices without heating means
- A24F 40/10: Devices using liquid inhalable precursors
- A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06)

## Abstract

An electronic cigarette atomizer and an electronic cigarette are disclosed. The electronic cigarette atomizer comprises an air inlet (1), an air inlet passage (2), an atomization cavity (3), an air outlet passage (4), an air outlet (5), and a suction nozzle (6) that are communicated in sequence. The electronic cigarette atomizer further comprises a housing (8) and an adjustment mechanism (7) for adjusting the air input of the air inlet (1). The air inlet passage (2), the atomization cavity (3), and the air outlet passage (4) are all arranged in the housing (8), and a top of the housing (8) is provided with a top cover (9). The adjustment mechanism (7) comprises a movable member (10) located in the top cover (9) and movable axially along the top cover (9).

## Claims

### Claim at position 1

1-18. (canceled)

### Claim 19

An electronic cigarette atomizer, comprising:
an air inlet (1), an air inlet passage (2), an atomization cavity (3), an air outlet passage (4), an air outlet (5), and a suction nozzle (6) that are communicated in sequence, and
further comprising a housing (8) and an adjustment mechanism (7) for adjusting the air input of the air inlet (1);
wherein the air inlet passage (2), the atomization cavity (3), and the air outlet passage (4) are all arranged in the housing (8), and a top of the housing (8) is provided with a top cover (9);
wherein:
the adjustment mechanism (7) comprises a movable member (10) located in the top cover (9) and movable axially along the top cover (9),
the movable member (10) is provided with an air passing hole (1003) that communicates the air inlet (1) with the air inlet passage (2), and
when the movable member (10) moves axially along the top cover (9), the air passing hole (1003) on the movable member (10) moves in a misaligned manner relative to the air inlet (1) to adjust the amount of air entering the air inlet passage (2).

### Claim 20 (depends on 19)

The electronic cigarette atomizer according to claim 19, wherein:
the suction nozzle (6) is sleeved outside the top cover (9) and is rotatable relative to the top cover (9); and
the rotation of the suction nozzle (6) drives the movable member (10) to move axially along the top cover (9).

### Claim 21 (depends on 20)

The electronic cigarette atomizer according to claim 20, further comprising an inverted clamping mechanism for preventing the axial movement of the suction nozzle (6) relative to the top cover (9).

### Claim 22 (depends on 20)

The electronic cigarette atomizer according to claim 20, wherein:
an internal thread bushing (37) is provided in the top cover (9), and a lower section of a side wall of the movable member (10) is screwed to the internal thread bushing (37); and
the rotation of the suction nozzle (6) drives the movable member (10) to rotate relative to threads of the internal thread bushing (37), while an inner side wall of the internal thread bushing (37) blocks the air passing hole (1003) to adjust the amount of air entering the air inlet passage (2).

### Claim 23 (depends on 20)

The electronic cigarette atomizer according to claim 20, wherein:
a connecting sleeve (22) is provided in the housing (8), and the lower section of the side wall of the movable member (10) is screwed to an upper section of an inner side wall of the connecting sleeve (22); and
the rotation of the suction nozzle (6) drives the movable member (10) to rotate relative to threads of the connecting sleeve (22), while the inner side wall of the connecting sleeve (22) blocks the air passing hole (1003) to adjust the amount of air entering the air inlet passage (2).

### Claim 24 (depends on 19)

The electronic cigarette atomizer according to claim 19, wherein:
an air inlet pipe (15) is further provided in the housing (8), and an inner cavity of the air inlet pipe (15) forms the air inlet passage (2); and
an air inlet end of the air inlet pipe (15) is connected to the movable member (10), and an air outlet end of the air inlet pipe (15) is opposite to the atomization cavity (3).

### Claim 25 (depends on 20)

The electronic cigarette atomizer according to claim 20, wherein:
at least two raised ribs (604) parallel to the axis of the suction nozzle (6) are uniformly arranged on the circumference of the inner side wall of the suction nozzle (6), and
the outer side wall of the movable member (10) is provided with positioning planes (1006) corresponding to the raised ribs (604) one to one.

### Claim 26 (depends on 19)

The electronic cigarette atomizer according to claim 19, wherein the inside of a vent (603) at the top of the suction nozzle (6) is provided with a ring portion (606) extending toward the inside of the suction nozzle (6).

### Claim 27 (depends on 26)

The electronic cigarette atomizer according to claim 26, wherein the movable member (10) has a cylindrical portion (1005) opposite to the vent (603).

### Claim 28 (depends on 27)

The electronic cigarette atomizer according to claim 27, wherein the top of the cylindrical portion (1005) is a tip with an oblique angle.

### Claim 29 (depends on 23)

The electronic cigarette atomizer according to claim 23, wherein the air inlet (1) is formed on the side wall of the top cover (9).

### Claim 30 (depends on 19)

The electronic cigarette atomizer according to claim 19, wherein:
an e-liquid bin (12) is provided in the housing (8),
the suction nozzle (6) is connected to the top cover (9) in a transmission manner by a transmission mechanism, and
the suction nozzle (6) drives the top cover (9) to rotate through the transmission mechanism to open or close the e-liquid bin (12).

### Claim 31 (depends on 24)

The electronic cigarette atomizer according to claim 24, wherein:
an e-liquid bin (12) is provided in the housing (8),
the suction nozzle (6) is connected to the top cover (9) in a transmission manner by a transmission mechanism, and
the suction nozzle (6) drives the top cover (9) to rotate through the transmission mechanism to open or close the e-liquid bin (12).

### Claim 32 (depends on 26)

The electronic cigarette atomizer according to claim 26, wherein:
an e-liquid bin (12) is provided in the housing (8),
the suction nozzle (6) is connected to the top cover (9) in a transmission manner by a transmission mechanism, and
the suction nozzle (6) drives the top cover (9) to rotate through the transmission mechanism to open or close the e-liquid bin (12).

### Claim 33 (depends on 30)

The electronic cigarette atomizer according to claim 30, wherein:
the transmission mechanism comprises an internal thread bushing (37) clamped in the top cover (9), and a top end of the suction nozzle (6) is sleeved outside a top end of the internal thread bushing (37); and
the transmission mechanism further comprises a locking mechanism capable of locking or unlocking the connection position between the suction nozzle (6) and the top cover (9).

### Claim 34 (depends on 33)

The electronic cigarette atomizer according to claim 33, wherein:
the suction nozzle (6) is axially movable relative to the internal thread bushing (37), and a travel groove (905) for limiting the axial movement of the suction nozzle (6) is provided on the outer side wall of the internal thread bushing (37);
the locking mechanism comprises a limit groove (605) provided at the bottom end of the suction nozzle (6), and a limit protrusion (904) provided at the top end of the top cover (9) and capable of matching the limit groove (605); or
the locking mechanism comprises a limit protrusion provided at the bottom end of the suction nozzle (6), and a limit groove provided at the top end of the top cover (9) and capable of matching the limit protrusion.

### Claim 35 (depends on 34)

The electronic cigarette atomizer according to claim 34, further comprising a reset spring (43); wherein one end of the reset spring (43) abuts against the movable member (10), and the other end of the reset spring (43) abuts against an inner top surface of the suction nozzle (6).

### Claim 36 (depends on 33)

The electronic cigarette atomizer according to claim 33, wherein:
the suction nozzle (6) is axially movable relative to the internal thread bushing (37), and a travel groove (905) for limiting the axial movement of the suction nozzle (6) is provided on the outer side wall of the internal thread bushing (37); and
the locking mechanism comprises a limit groove (605) provided at the bottom end of the inner side wall of the suction nozzle (6), and a limit protrusion (904) provided at the top end of the travel groove (905) and capable of matching the limit groove (605).

### Claim 37 (depends on 36)

The electronic cigarette atomizer according to claim 36, further comprising a reset spring (43); wherein one end of the reset spring (43) abuts against the top end of the travel groove (905), and the other end of the reset spring (43) abuts against a bottom flange of the inner side wall of the suction nozzle (6).

### Claim 38

An electronic cigarette, comprising an electronic cigarette atomizer, wherein the electronic cigarette atomizer comprises:
an air inlet (1), an air inlet passage (2), an atomization cavity (3), an air outlet passage (4), an air outlet (5), and a suction nozzle (6) that are communicated in sequence, and
further comprising a housing (8) and an adjustment mechanism (7) for adjusting the air input of the air inlet (1);
wherein the air inlet passage (2), the atomization cavity (3), and the air outlet passage (4) are all arranged in the housing (8), and a top of the housing (8) is provided with a top cover (9);
wherein:
the adjustment mechanism (7) comprises a movable member (10) located in the top cover (9) and movable axially along the top cover (9),
the movable member (10) is provided with an air passing hole (1003) that communicates the air inlet (1) with the air inlet passage (2), and
when the movable member (10) moves axially along the top cover (9), the air passing hole (1003) on the movable member (10) moves in a misaligned manner relative to the air inlet (1) to adjust the amount of air entering the air inlet passage (2).
