# US 2018/0020738 A1 · Electronic cigarette > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0020738 A1 - Document ID: US20180020738A1 - Status: Published application - Kind: A1 - Application number: 15/724,268 - Filed: 2017-10-03 - Published: 2018-01-25 - Earliest claimed: 2016-06-08 - Assignees: Joyetech (Changzhou) Electronics Co., Ltd. - Applicants: Joyetech (Changzhou) Electronics Co., Ltd. - Inventors: WEIHUA QIU - Web page: https://patentgrep.com/patent/US20180020738A1 ## CPC - A24F 40/51: Arrangement of sensors - A24F 40/40: Constructional details, e.g. connection of cartridges and battery parts - A24F 40/485: Valves; Apertures - F22B 1/284: {with water in reservoirs} - 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) - F22B: METHODS OF STEAM GENERATION; STEAM BOILERS ## Abstract The present invention provides an electronic cigarette. The electronic cigarette includes a sensor, an atomizing assembly and a liquid storage unit, which are disposed in a housing. The atomizing assembly is provided with a first airflow passage. A second airflow passage is provided in the housing, and the sensor is disposed in the second airflow passage. The housing is defined with a first air inlet and a second air inlet. The first air inlet is in fluid communication with the first airflow passage. The second air inlet is in fluid communication with the second airflow passage. The first airflow passage and the second airflow passage are isolated from each other by a partition member. ## Claims ### Claim 1 An electronic cigarette, the electronic cigarette comprising a sensor and an atomizing assembly both of which are disposed in a housing, wherein the atomizing assembly is provided with a first airflow passage, a second airflow passage is provided in the housing, and the sensor is disposed in the second airflow passage, the housing is defined with a first air inlet and a second air inlet, the first air inlet is in fluid communication with the first airflow passage, the second air inlet is in fluid communication with the second airflow passage, the first airflow passage and the second airflow passage are isolated from each other by a partition member. ### Claim 2 (depends on 1) The electronic cigarette of claim 1, wherein the atomizing assembly comprises an air inlet passage and an air outlet passage, the air inlet passage is in fluid communication with the first air inlet, the air outlet passage is in fluid communication with the first airflow passage. ### Claim 3 (depends on 1) The electronic cigarette of claim 1, wherein the housing comprises a main body and a suction body connected at one end of the main body, the partition member is formed in the suction body. ### Claim 4 (depends on 3) The electronic cigarette of claim 3, wherein the main body further comprises a connection part provided at the end of the main body to which the suction body is connected, the connection part is provided with two mounting holes which are separately formed, the atomizing assembly is mounted through one of the mounting holes in the main body, and the sensor is mounted in the other one of the mounting holes. ### Claim 5 (depends on 4) The electronic cigarette of claim 4, wherein the atomizing assembly comprises an atomizer head and a venting unit, the atomizer head is disposed at one end of the venting unit, the venting unit is provided with a lower air outlet passage in fluid communication with the first airflow passage, and the venting unit is further provided with a venting hole in fluid communication with the first air inlet. ### Claim 6 (depends on 5) The electronic cigarette of claim 5, wherein the venting unit comprises a venting connection piece, an inner air pipe and an outer air pipe, the inner air pipe and the outer air pipe are connected with the venting connection piece, the inner air pipe is disposed inside the outer air pipe, the gap between the inner air pipe and the outer air pipe forms as an air inlet passage, the air inlet passage is in fluid communication with the venting hole, the lower air outlet passage is formed by an interior passage of the inner air pipe, the venting connection piece is provided with an upper air outlet passage, wherein the air inlet passage, the lower air outlet passage and the upper air outlet passage are in fluid communication with the first airflow passage. ### Claim 7 (depends on 6) The electronic cigarette of claim 6, wherein the atomizer head comprises an atomizing tube, a heating element, an atomizing base and a first contact member, the heating element, the atomizing base and the first contact member are disposed in the atomizing tube, the heating element is located above the atomizing base, the atomizing tube is provided with an atomizing outlet at one end thereof, the atomizing base is disposed at the other end of the atomizing tube opposite to the atomizing outlet, the first contact member is disposed at a bottom side of the atomizing base. ### Claim 8 (depends on 7) The electronic cigarette of claim 7, wherein a top end of the atomizer head is threadedly connected with a bottom end of the outer air pipe, the atomizing outlet is in fluid communication with the air inlet passage and the lower air outlet passage. ### Claim 9 (depends on 6) The electronic cigarette of claim 6, wherein the venting hole is defined in a sidewall of the venting connection piece, the inner air pipe and the outer air pipe are disposed under the venting connection piece. ### Claim 10 (depends on 7) The electronic cigarette of claim 7, wherein the electronic cigarette further comprises a liquid storage unit in fluid communication with the atomizing assembly, the liquid storage unit is disposed in the main body, the liquid storage unit comprises a liquid storage sleeve and an end sealing element, the gap between the inner wall of the liquid storage sleeve and the outer wall of the outer air pipe forms as a liquid storage chamber, the end sealing element is provided at one end of the liquid storage sleeve, and the other end of the liquid storage sleeve is mounted around a bottom side of the mounting hole in which the atomizing assembly is mounted. ### Claim 11 (depends on 3) The electronic cigarette of claim 3, wherein the partition member is integrally formed with the suction body. ### Claim 12 (depends on 1) The electronic cigarette of claim 1, wherein the second air inlet is defined in a sidewall and/or a bottom wall of the housing. ### Claim 13 A suction body, comprising: at least one first airflow passage; and at least one second airflow passage; wherein all the first airflow passages are isolated from all the second airflow passages, each first airflow passage is in fluid communication with an air channel in which smoke is generated, and each second airflow passage is in fluid communication with a sensor. ### Claim 14 (depends on 13) The suction body of claim 13, wherein the sensor is located in an air channel which is in fluid communication with one second airflow passage, or is located in one second airflow passage. ### Claim 15 (depends on 13) The suction body of claim 13, further comprising a matching part located at one end of the suction body and configured to connect the suction body with a main body of an electronic cigarette or a atomizer. ### Claim 16 (depends on 15) The suction body of claim 15, wherein the matching part comprises a first matching part and a second matching part, the first matching part fauns as a part of one first airflow passage, and the second matching part forms as a part of one second airflow passage. ### Claim 17 An atomizer, comprising: a first airflow passage; and a second airflow passage; wherein the first airflow passage and the second airflow passage are isolated from each other by a partition member, smoke generated by atomizing flows out from the atomizer through the first airflow passage, and a sensor is optionally mounted in the second airflow passage. ### Claim 18 (depends on 17) The atomizer of claim 17, wherein a sensor probe is mounted at an end of the atomizer, and the sensor probe is configured to allow a signal connection between the senor and a control board, and allow an electrical connection between the sensor and a battery. ### Claim 19 (depends on 17) The atomizer of claim 17, further comprising a liquid storage sleeve received in a main body, wherein the first airflow passage is located in the liquid storage sleeve, the space between the liquid storage sleeve and the main body forms as the second airflow passage, and the liquid storage sleeve acts as the partition member. ### Claim 20 (depends on 19) The atomizer of claim 19, further comprising a venting unit received in the liquid storage sleeve, wherein the venting unit comprises an inner air pipe and an outer air pipe disposed outside the inner air pipe, the gap between the inner air pipe and the outer air pipe forms as an air inlet passage, the interior passage of the inner air pipe forms as an air outlet passage, and the air inlet passage and the air outlet passage together constitutes the first airflow passage.