# US 2015/0144147 A1 · Atomizer and electronic cigarette having same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2015/0144147 A1 - Document ID: US20150144147A1 - Status: Published application - Kind: A1 - Application number: 14/550,998 - Filed: 2014-11-22 - Published: 2015-05-28 - Earliest claimed: 2013-11-25 - Assignees: Shenzhen First Union Technology Co., Ltd. - Applicants: Shenzhen First Union Technology Co., Ltd. - Inventors: YONGHAI LI; ZHONGLI XU; HONGYONG LUO - Web page: https://patentgrep.com/patent/US20150144147A1 ## CPC - F22B 1/284: {with water in reservoirs} - A24F 40/485: Valves; Apertures - A24F 15/015: with means for refilling of liquid inhalable precursors - A24F 40/10: Devices using liquid inhalable precursors - A24F 40/46: Shape or structure of electric heating means - A61M 2209/045: for filling, e.g. for filling reservoirs - F22B: METHODS OF STEAM GENERATION; STEAM BOILERS - 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 exemplary atomizer for an electronic cigarette includes an atomizing tube, an atomizing assembly, a first fixing sleeve arranged at a first end of the atomizing tube, and a fixing tube received in the first end of the atomizing tube adjacent to the first fixing sleeve. The fixing tube receives the atomizing assembly and is connected to the first fixing sleeve. The atomizing tube defines a liquid reservoir. The fixing tube defines a liquid guiding chamber. ## Claims ### Claim 1 An atomizer for an electronic cigarette, comprising: an atomizing tube; an atomizing assembly; a first fixing sleeve arranged at a first end of the atomizing tube; and a fixing tube received in the first end of the atomizing tube adjacent to the first fixing sleeve, the fixing tube receiving the atomizing assembly and being connected to the first fixing sleeve, the atomizing tube defining a liquid reservoir, the fixing tube defining a liquid guiding chamber. ### Claim 2 (depends on 1) The atomizer of claim 1, further comprising an air pipe and a second fixing sleeve, wherein the second fixing sleeve is arranged at a second end of the atomizing tube opposite to the first end, the fixing tube comprises a top wall defining an opening, a first end of the air pipe passes through the opening, and is connected with the atomizing assembly, a second end of the air pipe is held against the second fixing sleeve, and an outer wall of the air pipe and an inner wall of the opening cooperatively define a liquid guiding hole. ### Claim 3 (depends on 2) The atomizer of claim 2, wherein the second fixing sleeve comprises an internal screw sleeve, and an external screw sleeve engaged with the internal screw sleeve, the internal screw sleeve is fixedly connected with the atomizing tube, the internal screw sleeve and the air pipe cooperatively define a liquid injection hole, and the atomizer further comprises a seal sleeve configured for sealing the liquid injection hole. ### Claim 4 (depends on 3) The atomizer of claim 3, further comprising a spring and a pushing element in the fixing tube, wherein the pushing element sequentially comprises a first tube body, a flange, and a second tube body, the first tube body is connected with the atomizing assembly, the second tube body is fixedly connected with the air pipe, a first end of the spring abuts against the first fixing sleeve, an opposite second end of the spring abuts against the flange, and the pushing element is configured for moving upwards or downwards to open or close the liquid guiding hole upon an external force. ### Claim 5 (depends on 4) The atomizer of claim 4, further comprising a silicone ring wrapped around the first tube body. ### Claim 6 (depends on 4) The atomizer of claim 4, further comprising a seal ring wrapped around the second tube body, the seal ring is configured for sealing the liquid guiding hole. ### Claim 7 (depends on 4) The atomizer of claim 4, wherein a stroke of the pushing element is less than that of the external screw sleeve. ### Claim 8 (depends on 1) The atomizer of claim 1, wherein the atomizing assembly comprises a tube, a fixing sleeve for fixing a heating wire, a heating wire component, and a cover, the tube is fixedly connected with the first fixing sleeve, the heating wire component is fixed in the fixing sleeve, the fixing sleeve is engaged in the tube, the cover covers the heating wire component and the fixing sleeve, and fixes the heating wire component and the fixing sleeve in the tube. ### Claim 9 (depends on 1) The atomizer of claim 1, wherein the atomizing tube is made of transparent material. ### Claim 10 (depends on 1) An electronic cigarette comprising: an atomizer according to claim 1; and a battery assembly, the atomizer being connected to the battery assembly.