Patents by Inventor Jianhua Yi
Jianhua Yi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220046993Abstract: 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: ApplicationFiled: December 18, 2019Publication date: February 17, 2022Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yongquan Zhou
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Patent number: 11219245Abstract: A cotton-free ultrasonic atomizer and electronic cigarette, comprising a tobacco tar cup, an air inlet passage, a tobacco tar smoke outlet passage and an atomization component; the atomization component includes a first atomization piece and a second atomization piece; an atomization cavity is formed between the first atomization piece and the second atomization piece, and an ejection end of the first atomization piece aligns to an atomization surface of the second atomization piece; the first atomization piece communicates with a tobacco tar outlet of the tobacco tar cup, the air inlet passage communicates with the atomization cavity, and the atomization cavity communicates with the tobacco tar smoke outlet passage.Type: GrantFiled: December 15, 2016Date of Patent: January 11, 2022Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Yuangang Dai, Xinqiang Yin, Jianhua Yi, Hong Yu, Yongquan Zhou
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Publication number: 20210401030Abstract: A low-temperature smoking body and a preparation method thereof are disclosed. The low-temperature smoking body includes tobacco particles. The tobacco particle comprise 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: ApplicationFiled: March 19, 2019Publication date: December 30, 2021Applicant: 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
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Publication number: 20210378303Abstract: A disposable cigarette cartridge, atomizer and electronic cigarette, wherein the disposable cigarette cartridge comprises a hollow shell, a tobacco tar storage device located in the shell, a suction nozzle connected with the upper end of the shell, a tobacco tar guide seat connected with the lower end of the shell, and a tobacco tar guide body installed on the tobacco tar guide seat; the tobacco tar guide body extends into the tobacco tar storage device; and an air passage is arranged in the shell, one end of the air passage is communicated with the suction nozzle, and the other end of the air passage is communicated with a heating surface of the tobacco tar guide body.Type: ApplicationFiled: May 2, 2017Publication date: December 9, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu LIU, Kejun ZHONG, Xiaoyi GUO, Wei HUANG, Yuangang DAI, Xinqiang YIN, Jianhua YI, Hong YU, Youlin HE, Yongquan ZHOU
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Publication number: 20210345664Abstract: 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: ApplicationFiled: September 20, 2019Publication date: November 11, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yecheng Kuang, Yongquan Zhou
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Patent number: 11154090Abstract: Disclosed are an ultrasonic electronic cigarette atomization core and atomizer, the electronic cigarette atomization core including an atomization core fixing sleeve. A first atomization sheet, a first tobacco tar guide component and a bracket are arranged in the atomization core fixing sleeve. The ultrasonic electronic cigarette atomization core not only can atomize two kinds of tobacco tar at the same time, but also can atomize the solid tobacco product, and the amount of smoke is large, therefore the demands of smokers for different tastes, in particular the demands for the taste of true cigarette, can be satisfied.Type: GrantFiled: February 16, 2017Date of Patent: October 26, 2021Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Hong Yu, Yuangang Dai, Xinqiang Yin, Jianhua Yi, Yongquan Zhou
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Publication number: 20210282456Abstract: 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: ApplicationFiled: July 3, 2019Publication date: September 16, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yongquan Zhou
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Publication number: 20210274847Abstract: 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: ApplicationFiled: June 20, 2019Publication date: September 9, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Lizhou Shen, Yongquan Zhou
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Publication number: 20210267279Abstract: 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: ApplicationFiled: June 20, 2019Publication date: September 2, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Chaoxiang Huang, Yongquan Zhou
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Publication number: 20210267278Abstract: 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: ApplicationFiled: June 19, 2019Publication date: September 2, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yongquan Zhou, Lizhou Shen
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Publication number: 20210212362Abstract: An ultrasonic electronic cigarette is disclosed. The electronic cigarette includes an atomizer (1) and a battery assembly (2) detachably connected to each other. The atomizer (1) comprises an ultrasonic atomization sheet (3), and the battery assembly (2) comprises a first battery electrode (4) and a second battery electrode (5) for supplying power to the atomizer (1). When the atomizer (1) is connected to the battery assembly (2), a first pole of the ultrasonic atomization sheet (3) is electrically connected to the first battery electrode (4), and a second pole of the ultrasonic atomization sheet (3) is electrically connected to the second battery electrode (5).Type: ApplicationFiled: December 7, 2018Publication date: July 15, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Hong Yu, Yuangang Dai, Xinqiang Yin, Jianhua Yi, Yongquan Zhou, Yang Wang
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Publication number: 20210212376Abstract: An atomizer and electronic cigarette are disclosed. The electronic cigarette comprises a shell (1), wherein a top of the shell (1) is connected to a mouthpiece (3) through a mouthpiece holder (2). The mouthpiece holder (2) is provided with an air inlet (201). An air tube (4) is arranged in the shell (1). An air inlet channel (401) is arranged in the air tube (4). A side wall of the air tube (4) is provided with a first air passing hole (402) for communicating the air inlet (201) with the air inlet channel (401). A top end of the mouthpiece (3) has an extension section (301). A bottom end face of the extension section (301) is provided with a number of step portions (3011) of unequal heights.Type: ApplicationFiled: September 3, 2019Publication date: July 15, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Chaoxiang Huang
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Publication number: 20210204595Abstract: A cooling filter rod, an application, and a cigarette are provided. The cooling filter rod is mainly formed by cooling particles. The cooling particle includes a particle body and a shell coated on the particle body. The shell or the particle body contains a phase change material. The phase change material is coated on the surface of the particle material to form cooling particles, and the cooling particles are integrally formed into a cooling filter rod, which can be directly used for cigarette production after being compounded with conventional filter rods. The cooling effect can be controlled according to the amount of the phase change material and the cooling filter rod. Such a filter rod can realize industrial production and has low cost and good cooling effect.Type: ApplicationFiled: March 19, 2019Publication date: July 8, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Qian Chen, Yong Jin, Haifeng Tan, Ke Li, Shitai Wang, Chao Tan, Saibo Yu, Hongmei Fan, Qi Liu, Jianhua Yi
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Patent number: 11039640Abstract: Disclosed are an ultrasonic atomization piece, an electronic cigarette atomization core and an electronic cigarette atomizer. The ultrasonic atomization piece includes a piezoelectric ceramic main body; one surface of the piezoelectric ceramic main body is in contact with a positive electrode conducting layer, and the other surface of the piezoelectric ceramic main body is in contact with a negative electrode conducting layer, the negative electrode conducting layer extends to the surface of the piezoelectric ceramic main body on which the positive electrode conducting layer is located along a side edge of the piezoelectric ceramic main body, and a plurality of convex point areas, which cover the edge of the positive electrode conducting layer are provided on an edge of the negative conductive layer.Type: GrantFiled: December 17, 2016Date of Patent: June 22, 2021Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Yuangang Dai, Xinqiang Yin, Hong Yu, Jianhua Yi, Lizhou Shen, Youlin He, Yang Wang
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Patent number: 11039641Abstract: An electronic cigarette atomizer, including a shell; one end of the shell is in fixed connection with a suction nozzle; an ultrasonic atomization piece is fixed in the shell; the ultrasonic atomization piece is in contact with a liquid guide body; the liquid guide body is communicated with a liquid storage cavity; an atomization outlet of the ultrasonic atomization piece is communicated with an airflow passage; solid perfume are provided on the airflow passage; the solid perfume are in contact with a heating device; and a tail end of the airflow passage is communicated with the suction nozzle. The ultrasonic atomization piece is adopted to atomize the tobacco tar to produce smoke, meanwhile the solid perfume are heated by the heating device to produce fragrance, finally the smoke is mixed with the fragrance, in this case, the mixed smoke has the fragrance of the real cigarette.Type: GrantFiled: December 15, 2016Date of Patent: June 22, 2021Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Yuangang Dai, Xinqiang Yin, Jianhua Yi, Hong Yu, Yongquan Zhou
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Publication number: 20210127749Abstract: A frequency tracking method for an ultrasonic electronic cigarette is provided. The method includes enabling start of working of an ultrasonic atomizer and selecting an oscillation frequency range of the ultrasonic atomizer as a frequency scan range according to the natural frequency characteristics of the ultrasonic atomizer. The method further includes selecting N frequency points within the frequency scan range and controlling the ultrasonic atomizer to work at the N frequency points. The method further includes finding out a maximum current value Imax and a minimum current value Imin of the ultrasonic atomizer when working at the N frequency points, and finding out a working frequency fimax corresponding to the maximum current value Imax. The method further includes controlling the ultrasonic atomizer to work at a frequency ftracking=fimax+?f; and detecting the working current I of the ultrasonic atomizer.Type: ApplicationFiled: June 12, 2019Publication date: May 6, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Zuoxiong Zou, Yongquan Zhou
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Publication number: 20210120880Abstract: 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: ApplicationFiled: June 12, 2019Publication date: April 29, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Shengbo Li
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Publication number: 20210112858Abstract: An ultrasonic atomization type electronic cigarette includes an ultrasonic atomizer. The ultrasonic atomizer includes an ultrasonic atomization sheet, an electronic cigarette housing, an upper cover assembly, and a locking structure.Type: ApplicationFiled: April 13, 2018Publication date: April 22, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu LIU, Kejun ZHONG, Xiaoyi GUO, Wei HUANG, Hong YU, Yuangang DAI, Xinqiang YIN, Jianhua YI, Youlin HE
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Publication number: 20210076733Abstract: An ultrasonic electronic cigarette atomizer and an electronic cigarette are disclosed. The atomizer includes a housing, a nozzle assembly that is connected to one end of the housing, an air inlet channel, an air outlet channel, and an ultrasonic atomization sheet that is disposed in the housing. The air inlet channel, an atomization region of the ultrasonic atomization sheet, and the air outlet channel are sequentially communicated. An outlet of the air inlet channel is opposite to the atomization region of the ultrasonic atomization sheet. The nozzle assembly comprises a nozzle holder mounted to one end of the housing, and a suction portion on the nozzle holder communicated with the air outlet channel.Type: ApplicationFiled: May 16, 2018Publication date: March 18, 2021Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Xinqiang Yin, Jianhua Yi, Yang Wang, Yongquan Zhou
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Patent number: 10874807Abstract: Embodiments of the invention disclose a combined ultrasonic atomizer, an atomization method thereof and electronic cigarette.Type: GrantFiled: July 18, 2016Date of Patent: December 29, 2020Assignee: China Tobacco Hunan Industrial Co., Ltd.Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Yuangang Dai, Xinqiang Yin, Jianhua Yi, Hong Yu, Lizhou Shen