Patents Assigned to CHINA TOBACCO HUNAN INDUSTRIAL Co. Ltd.
  • Patent number: 12213524
    Abstract: The present invention relates to an electronic cigarette set, in particular to an ultrasonic atomizer, comprising an e-liquid guide assembly. In an embodiment, the e-liquid guide assembly comprises an e-liquid guide ceramic, e-liquid guide cotton, and springs located between the e-liquid guide ceramic and the e-liquid guide cotton and abut the e-liquid guide cotton against an atomization piece. Embodiments of the present invention use a combination of an e-liquid guide ceramic and e-liquid guide cotton to guide an e-liquid. Further details are disclosed herein.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: February 4, 2025
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Xinqiang Yin, Jianhua Yi, Yongquan Zhou
  • Patent number: 12213512
    Abstract: Abnormally-shaped tobacco granules are provided. The tobacco granules comprise a tobacco granule body and a coating attached to the surface of the tobacco granule body. The coating contains an adhesive. The surface of the abnormally-shaped tobacco granule has one or more grooves and/or ridges, and/or, the abnormally-shaped tobacco granule has through holes therein. The surface grooves of the abnormally-shaped tobacco granules can serve as smoke channels after the tobacco granules are bonded, cured and shaped, so that the air permeability inside a total-granule tobacco product is greatly improved. The smoking resistance of cigarettes is reduced. The flammability of cigarettes is improved and the consumption of tobacco raw materials is reduced. A preparation method of the abnormally-shaped tobacco granules, a tobacco product comprising the abnormally-shaped tobacco granules, and a preparation method thereof are also provided.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: February 4, 2025
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Yong Jin, Qian Chen, Ke Li, Saibo Yu, Hongmei Fan, Haifeng Tan, Shitai Wang, Chao Tan, Qi Liu
  • Patent number: 12213536
    Abstract: An electronic cigarette, comprising a shell and a power supply installed in the shell, and the electronic cigarette further comprises a tobacco bin which is provided in the shell and communicates with the outside air, and a suction nozzle which communicates with the tobacco bin; and a piezoelectric ceramic piece which clings to the tobacco bin is provided in the shell, the piezoelectric ceramic piece is a bearing surface of the tobacco bin on which a tobacco material is loaded as well as a heating surface of the tobacco bin, and the piezoelectric ceramic piece is electrically connected with the power supply. The electronic cigarette has a simple atomization mode and directly atomizes the tobacco material by means of the high frequency vibration and heat of the piezoelectric ceramic.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: February 4, 2025
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Yuangang Dai, Xinqiang Yin, Jianhua Yi, Hong Yu, Yang Wang
  • Patent number: 12213513
    Abstract: A low-temperature smoking body and a preparation method thereof are disclosed. The low-temperature smoking body includes tobacco particles. The tobacco particle includes a particle body and a shell wrapped on the particle body. A carrier is distributed in the particle body and/or the shell. The carrier includes at least one of a raw tobacco material, a non-tobacco material, and a porous material. The carrier carries a smoking agent, and the smoking agent includes a tobacco extract and/or an atomizer. In addition, a preparation method of the low-temperature smoking body is further disclosed. The low-temperature smoking body has better smoking stability and uniformity, and the tobacco particles having core-shell structures can effectively solve the problem of liquid leakage.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: February 4, 2025
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Qian Chen, Ke Li, Yong Jin, Saibo Yu, Hongmei Fan, Shitai Wang, Chao Tan, Haifeng Tan, Qi Liu, Jianhua Yi, Wen Du, Xinqiang Yin, Xinliang Tan
  • Patent number: 12178255
    Abstract: An atomizer for an electronic cigarette is provided. The atomizer comprises a liquid cartridge device with a liquid outlet, atomization cotton, and an ultrasonic atomization piece. The middle of the atomization cotton abuts against a central area of the ultrasonic atomization piece by means of a spring to form an atomization zone. An end portion of the atomization cotton is pressed against the bottom of the liquid cartridge device and covers the liquid outlet. An atomization cavity is provided between the ultrasonic atomization piece and the bottom of the liquid cartridge device. An atomization cavity gas inlet and an atomization cavity gas outlet are provided at the top of the atomization cavity. The atomization cavity gas inlet (501) and the liquid outlet (321) are staggered.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: December 31, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Chaoxiang Huang, Yongquan Zhou
  • Patent number: 12161166
    Abstract: Disclosed is an electronic cigarette atomizer including a liquid cartridge (6) and an ultrasonic atomization piece (42) mounted vertically. The liquid cartridge (6) is located above the ultrasonic atomization piece (42), a liquid guide channel (311) communicated with the liquid cartridge (6) is disposed below the liquid cartridge (6), a liquid outlet (331) is horizontally disposed in the liquid guide channel (311), and the caliber of the liquid outlet (331) is smaller than that of the liquid guide channel (311); and liquid guide cotton (43) is horizontally mounted across the ultrasonic atomization piece (42). The liquid guide cotton (43) is in contact with or attached to an atomization surface of the ultrasonic atomization piece (42), and the liquid outlet (331) abuts against the liquid guide cotton (43). With the electronic cigarette atomizer, when smoking, e-liquid is supplied in time, and e-liquid supply and ultrasonic atomization are balanced, such that the burning phenomenon can be prevented.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: December 10, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Chaoxiang Huang, Yongquan Zhou
  • Patent number: 12150474
    Abstract: A cooling cigarette filter and a cigarette are disclosed. The cooling cigarette filter comprises a cooling section (2). The cooling section (2) comprises a cooling stick (201) formed from paper (5). The cooling stick (201) has one or more holes (202) communicating two ends of the cooling stick. And the surface of the paper (5) is coated with a cooling material. The cooling cigarette filter has the advantages of ensuring the amount of smoke and lowering the temperature of the smoke entering the mouth. Through the combination design of the structure of the cooling stick and the type and amount of the cooling material, the smoke can flow out of a smoke generation section rapidly and smoothly And the temperature of the high-temperature smoke before entering the mouth can be significantly lowered, thereby improving the comfort and satisfaction of smoking.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: November 26, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Wei Luo, Kejun Zhong, Wen Du, Lanying Xie, Liangsheng Qin, Jianhui Wen, Duo Ding, Guoyong Xie, Jianxin Ren, Zhiwei Sun
  • Patent number: 12137730
    Abstract: A cooling cigarette filter and a smoking product are provided. The cooling cigarette filter comprises a cooling section. The cooling section is provided with one or more channels connecting two ends of the cooling section, and an inner surface of each channel is coated with a cooling material. The cooling material comprises an inorganic phase change material and PEG, and the inorganic phase change material comprises at least one of Na2CO3·10H2O, CH3COONa·3H2O, CaCl2·4H2O, and Na2SO4·10H2O. The cooling cigarette filter has the advantages of ensuring the amount of smoke and lowering the temperature of the smoke entering the mouth, especially in the cooling section. Through the combination design of the structure of the cooling stick and the type and amount of the cooling material, the smoke can flow out of a smoke generation section rapidly and smoothly.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: November 12, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Wei Luo, Kejun Zhong, Jianfu Liu, Lanying Xie, Liangsheng Qin, Wen Du, Jianhua Yi, Xinqiang Yin, Duo Ding, Jianhui Wen, Guoyong Xie
  • Patent number: 12133550
    Abstract: A molding apparatus, a cigarette filter rod and a preparation method thereof are disclosed. The molding apparatus comprises a single-screw extrusion system and a cooling setting system. The single-screw extrusion system comprises a feeder and an extruder. The feeder is arranged on the extruder. The extruder comprises a cylinder. A heater is arranged outside the cylinder. A screw is arranged inside the cylinder, and a mouth mold is arranged at one end of the cylinder. The cooling setting system comprises a round tube and a cooler. The cooler (6) is arranged outside the round tube. One end of the round tube is butted with the mouth mold of the extruder; and multiple groups of grooves are formed on threads of the head of the screw.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: November 5, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Qian Chen, Yong Jin, Ke Li, Shitai Wang, Chao Tan, Saibo Yu, Haifeng Tan, Hongmei Fan, Qi Liu
  • Patent number: 12127586
    Abstract: An electronic cigarette atomizing core and an atomizer are disclosed. The electronic cigarette atomizing core includes an outer sleeve and an inner sleeve, wherein the outer sleeve is provided with a liquid passing port. An atomization cavity is provided between the bottom of the inner sleeve and the ultrasonic atomization piece. A liquid guide cotton in communication with the liquid passing port is sandwiched between the outer sleeve and the inner sleeve. The inner sleeve is longitudinally provided with a main air groove and an auxiliary air groove at intervals. The cross sectional area of the auxiliary air groove is ¼ to ? the size of the cross sectional area of the main air groove. The main air groove is in communication with the atomization cavity. An auxiliary air inlet, an auxiliary air channel, the auxiliary air groove, and the atomization cavity are in communication with each other.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: October 29, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yongquan Zhou
  • Patent number: 12096799
    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) communicated sequentially, and further comprises an adjustment mechanism (7) for adjusting the air output of the air outlet. The adjustment mechanism (7) simultaneously adjusts the air input of the air inlet (1) and the air output of the air outlet (5). The electronic cigarette atomizer can adjust the air output of the air outlet (5) of the atomizer and can meet the needs of users with different lung capacities for different smoke concentration adjustment modes. The electronic cigarette atomizer can simultaneously adjust the air flow at the air inlet (1) and the air outlet (5) of the atomizer.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: September 24, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Chaoxiang Huang, Yongquan Zhou
  • Patent number: 12075836
    Abstract: An atomizing sheet assembly, an atomizer, and an electronic cigarette are disclosed. The atomizing sheet assembly comprises an e-liquid guide member, an atomizing sheet, and an atomizing seat. The atomizing sheet is fixed on the atomizing seat. The e-liquid guide member is in contact with an atomizing surface of the atomizing sheet. The atomizing seat is made of an elastic material. The e-liquid guide member is flaky. The atomizing seat is provided with a through hole. The flaky e-liquid guide member passes through the through hole and is in contact with the atomizing sheet. The atomizing sheet assembly can effectively adjust the e-liquid guide rate.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: September 3, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yongquan Zhou
  • Patent number: 12059034
    Abstract: Disclosed are an electronic cigarette atomization core (4) and atomizer. The electronic cigarette atomization core (4) includes an ultrasonic atomization piece (46) disposed horizontally, a liquid guide cotton (45) disposed above the ultrasonic atomization piece (46), and an electrode plate (47) placed on the liquid guide cotton (45). Each end of the electrode plate (47) is provided with a curved segment (472). The curved segment (472) includes a first contact (4721) located above a second contact (4722), wherein the first contact (4721) and the second contact (4722) are electrically connected but are distant horizontally, and the second contact (4722) abuts against an atomization surface electrode of the ultrasonic atomization piece (46) to form an electrical connection.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: August 13, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yongquan Zhou
  • Patent number: 12029243
    Abstract: An ultrasonic atomization core (17), an ultrasonic atomizer, and an ultrasonic electronic cigarette are disclosed. The ultrasonic atomization core (17) comprises an atomization sleeve (1). The atomization sleeve is provided with an ultrasonic atomization sheet (2) and e-liquid guide cotton (3) that communicates the outside with an atomization surface of the ultrasonic atomization sheet (2). The atomization surface of the ultrasonic atomization sheet (2) is a concave surface. The e-liquid guide cotton (3) has a convex surface corresponding to the atomization surface. The curvature of the convex surface of the e-liquid guide cotton (3) is greater than or equal to the curvature of the atomization surface of the ultrasonic atomization sheet (2). The convex surface of the e-liquid guide cotton (3) is in contact with the atomization surface of the ultrasonic atomization sheet (2).
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: July 9, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yongquan Zhou
  • Patent number: 12022864
    Abstract: An ultrasonic electronic cigarette atomizer and an electronic cigarette, wherein the ultrasonic electronic cigarette atomizer comprises a shell, a tobacco tar storage bottle, an ultrasonic atomization piece and a flaky tobacco tar storage body fit to one side face of the ultrasonic atomization piece are provided in the shell, and a tobacco tar guide body is fixed to an outer wall of at least one side of the tobacco tar storage bottle; one side face of the tobacco tar guide body is communicated with the inner cavity of the tobacco tar storage bottle, and the other side face of the tobacco tar guide body is contacted with the side face of the tobacco tar storage body which is away from the ultrasonic atomization piece; and the ultrasonic atomization piece and the tobacco tar storage body are provided to be parallel to the length direction of an electronic cigarette.
    Type: Grant
    Filed: December 17, 2016
    Date of Patent: July 2, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Yuangang Dai, Xinqiang Yin, Hong Yu, Jianhua Yi, Yang Wang, Yongquan Zhou
  • Patent number: 11980233
    Abstract: A working control circuit for an ultrasonic atomizer and an ultrasonic electronic cigarette are disclosed. The working control circuit comprises a power module, a booster circuit, a smoking switch, a controller, a drive circuit, and an LC oscillation circuit. An output end of the booster circuit is also connected to the drive circuit through a voltage regulator circuit. The voltage regulator circuit comprises a first MOS transistor, a first resistor, and a second resistor. A reference level feedback end of the booster circuit is grounded through a third resistor. The voltage output end of the booster circuit is electrically connected to the reference level feedback end of the booster circuit through a fourth resistor.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: May 14, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Shengbo Li
  • Patent number: 11980222
    Abstract: An ultrasonic atomization sheet (1) and atomizer and an ultrasonic electronic cigarette are disclosed. The ultrasonic atomization sheet (1) comprises a flaky piezoelectric substrate (101), a surface electrode (102) attached to one surface of the piezoelectric substrate (101), and a drive electrode (103) attached to the other surface of the piezoelectric substrate (101). The piezoelectric substrate (101) is elongated. The piezoelectric substrate (101) is composed of an oscillating section (106) and a fixed section (107) connected to each other. The surface electrode (102) is fixed on one surface of the oscillating section (106), and the drive electrode (103) is fixed on the other surface of the oscillating section (106). The surface electrode (102) and the drive electrode (103) are both rectangular or circular.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: May 14, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yecheng Kuang, Yongquan Zhou
  • Patent number: 11930853
    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).
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: March 19, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Lizhou Shen, Yongquan Zhou
  • Patent number: 11918034
    Abstract: A device and method for preparing a fully granular cigarette/filter rod, and a prepared fully granular cigarette/filter rod are disclosed. In certain embodiments, negative pressure is used to adhere granular material onto a mesh-type conveyor belt. The granular material is preliminarily formed into fully granular cigarette/filter rod material by means of a pre-forming apparatus; the fully granular cigarette/filter rod material, traveling with the mesh-type conveyor belt, enters into a forming cavity, and undergoes heating and humidifying treatment, and a continuous solid porous substance is formed; the continuous solid porous substance is moved into the cooling/drying cavity, drying and cooling treatment are performed under the action of negative pressure, and a fully granular cigarette/filter rod with strong adhesion, porosity, permeability, and appropriate moisture is obtained.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: March 5, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Yong Jin, Qian Chen, Ke Li, Hongmei Fan, Saibo Yu, Shitai Wang, Chao Tan, Haifeng Tan, Qi Liu
  • Patent number: 11910834
    Abstract: An electronic cigarette atomization core and atomizer is disclosed. The electronic cigarette atomization core includes an atomization member (3), an outer sleeve (24), a connection sleeve (22), and atomization cotton (14). A lower segment of the connection sleeve (22) is sleeved outside an upper segment of the outer sleeve (24). The outer sleeve (24) is sleeved outside the atomization cotton (14). The outer sleeve (24) is provided with a first e-liquid passage hole (2401) capable of communicating an inner cavity of an electronic cigarette e-liquid bin (12) with the atomization cotton (14). The connection sleeve (22) is axially movable or circumferentially rotatable relative to the outer sleeve (24) to close or open the first e-liquid passage hole (2401). A buffer sealing structure is arranged between the connection sleeve (22) and the outer sleeve (24).
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: February 27, 2024
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yongquan Zhou, Lizhou Shen