# US 11,432,586 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 11,432,586 B2 - Document ID: US11432586B2 - Status: Granted - Kind: B2 - Application number: 16/446,513 - Filed: 2019-06-19 - Published: 2020-03-19 - Granted: 2022-09-06 - Earliest claimed: 2018-09-19 - Assignees: Shenzhen Smoore Technology Limited - Applicants: Shenzhen Smoore Technology Limited - Inventors: Zhenyu Wu - Web page: https://patentgrep.com/patent/US11432586B2 ## CPC - A24F 40/40: Constructional details, e.g. connection of cartridges and battery parts - A24F 40/10: Devices using liquid inhalable precursors - A24F 40/42: Cartridges or containers for inhalable precursors - A61M 11/042: {electrical} - A61M 15/06: Inhaling appliances shaped like cigars, cigarettes or pipes - 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 comprises a power supply device, a screw sleeve and an atomizer. The power supply device is provided with a cavity accommodating the atomizer with a cigarette holder exposed outside. The atomizer is provided with a screw joint portion at one end thereof opposite to the cigarette holder, and a middle part of the screw joint portion is provided with a conduction head insulated from the screw sleeve that is made of a conductive material. A bottom part of the cavity is provided with an annular conductor, an adsorption element, and a pole needle extending through a middle part of the annular conductor, and the adsorption element is insulated from the pole needle. The screw sleeve can be adsorbed on the adsorption element, so that the screw sleeve is conductive with the annular conductor, and the conduction head is conductive with the pole needle. ## Claims ### Claim 1 An electronic cigarette, comprising a power supply device (1), a screw sleeve (2) and an atomizer (3), wherein the power supply device (1) is provided with a cavity (11) accommodating the atomizer (3) with a cigarette holder (31) exposed outside the cavity (11); the atomizer (3) is provided with a screw joint portion (32) at one end thereof opposite to the cigarette holder (31), the screw sleeve (2) is in screw joint with the screw joint portion (32), and a middle part of the screw joint portion (32) is provided with a conduction head (33) insulated from the screw sleeve (2) that is made of an electrically conductive material; a bottom part of the cavity (11) is provided with an annular conductor (12), an adsorption element (13), and a pole needle (14) extending through a middle part of the annular conductor (12), and the adsorption element (13) is insulated from the pole needle (14); the screw sleeve (2) can be adsorbed on the adsorption element (13), so that the screw sleeve (2) is conductive with the annular conductor (12), and the conduction head (33) is conductive with the pole needle (14); the annular conductor (12) includes a first tube segment (121) and a second tube segment (122), wherein the first tube segment (121) has an internal diameter larger than that of the second tube segment (122), and the adsorption element (13) is arranged within the first tube segment (121); the first tube segment (121) is provided with a locating ring (15) in an inner ring of one end thereof opposite to the second tube segment (122) to secure the adsorption element (13), and the screw sleeve (2) is inserted into the locating ring (15), and electrically conductive with the locating ring (15) and the annular conductor (12); and the pole needle (14) is extended through a middle part of the adsorption element (13). ### Claim 2 (depends on 1) The electronic cigarette according to claim 1, wherein the adsorption element (13) is a magnet, the screw sleeve (2) is made of a ferromagnetic material, and the screw sleeve (2) is provided with an annular retainer ring (21) corresponding to the adsorption element (13) at one end thereof away from the cigarette holder. ### Claim 3 (depends on 1) The electronic cigarette according to claim 1, wherein the screw sleeve (2) is in screw joint and electrically conductive with the screw joint portion (32), and the conduction head (33) is electrically insulated from the screw joint portion (32). ### Claim 4 (depends on 3) The electronic cigarette according to claim 3, wherein the screw joint portion (32) is made of a nonmagnetic material. ### Claim 5 (depends on 4) The electronic cigarette according to claim 4, wherein the screw joint portion (32) is made of copper or brass. ### Claim 6 (depends on 1) The electronic cigarette according to claim 1, wherein the screw sleeve (2) is provided with an internal thread which is in screw joint with the screw joint portion (32). ### Claim 7 (depends on 1) The electronic cigarette according to any one of claim 1, wherein the atomizer (3) is rotatably arranged within the cavity (11). ### Claim 8 (depends on 7) The electronic cigarette according to claim 7, wherein frictional force between the screw sleeve (2) and the screw joint portion (32) is larger than frictional force of mutual rotation between the screw sleeve (2) and the power supply device (1). ### Claim 9 (depends on 7) The electronic cigarette according to claim 7, wherein the adsorption element (13) is annular, and is coaxially arranged with the annular conductor (12). ### Claim 10 An electronic cigarette, comprising a power supply device (1), a screw sleeve (2) and an atomizer (3) comprising a cigarette holder (31), wherein the power supply device (1) is provided with a cavity (11) accommodating the atomizer (3) with the cigarette holder (31) exposed outside the cavity (11); the atomizer (3) is provided with a screw joint portion (32) at one end thereof opposite to the cigarette holder (31), the screw sleeve (2) is in screw joint with the screw joint portion (32), and a middle part of the screw joint portion (32) is provided with a conduction head (33) insulated from the screw sleeve (2) that is made of an electrically conductive material; a bottom part of the cavity (11) is provided with an annular conductor (12), an adsorption element (13), and a pole needle (14) extending through a middle part of the annular conductor (12), and the adsorption element (13) is insulated from the pole needle (14); the screw sleeve (2) can be adsorbed on the adsorption element (13), so that the screw sleeve (2) is electrically conductive with the annular conductor (12), and the conduction head (33) is electrically conductive with the pole needle (14); the annular conductor (12) comprising two tube segments with different diameters (121, 122), and the adsorption element (13) is positioned in one of the two tube segments with a larger dimeter (121), and at a step formed between the two tube segments (121, 122), and a locating ring (15) inside the tube segment with the larger diameter secures the adsorption element (13); and the pole needle (14) is extended through a middle part of the adsorption element (13). ### Claim 11 (depends on 10) The electronic cigarette according to claim 10, wherein the adsorption element (13) is a magnet, the screw sleeve (2) is made of a ferromagnetic material, and the screw sleeve (2) is provided with an annular retainer ring (21) corresponding to the adsorption element (13) at one end thereof away from the cigarette holder. ### Claim 12 (depends on 10) The electronic cigarette according to claim 10, wherein the screw sleeve (2) is in screw joint and electrically conductive with the screw joint portion (32), and the conduction head (33) is electrically insulated from the screw joint portion (32). ### Claim 13 (depends on 12) The electronic cigarette according to claim 12, wherein the screw joint portion (32) is made of a nonmagnetic material. ### Claim 14 (depends on 13) The electronic cigarette according to claim 13, wherein the screw joint portion (32) is made of copper or brass. ### Claim 15 (depends on 10) The electronic cigarette according to claim 10, wherein the screw sleeve (2) is provided with an internal thread which is in screw joint with the screw joint portion (32). ### Claim 16 (depends on 10) The electronic cigarette according to any one of claim 10, wherein the atomizer (3) is rotatably arranged within the cavity (11). ### Claim 17 (depends on 16) The electronic cigarette according to claim 16, wherein frictional force between the screw sleeve (2) and the screw joint portion (32) is larger than frictional force of mutual rotation between the screw sleeve (2) and the power supply device (1). ### Claim 18 (depends on 16) The electronic cigarette according to claim 16, wherein the adsorption element (13) is annular, and is coaxially arranged with the annular conductor (12).