Patents by Inventor Yuangang DAI

Yuangang DAI 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).

  • Publication number: 20210378303
    Abstract: 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: Application
    Filed: May 2, 2017
    Publication date: December 9, 2021
    Applicant: 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
  • Patent number: 11154090
    Abstract: 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: Grant
    Filed: February 16, 2017
    Date of Patent: October 26, 2021
    Assignee: 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
  • Publication number: 20210212362
    Abstract: 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: Application
    Filed: December 7, 2018
    Publication date: July 15, 2021
    Applicant: 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
  • Patent number: 11039641
    Abstract: 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: Grant
    Filed: December 15, 2016
    Date of Patent: June 22, 2021
    Assignee: 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
  • Patent number: 11039640
    Abstract: 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: Grant
    Filed: December 17, 2016
    Date of Patent: June 22, 2021
    Assignee: 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
  • Publication number: 20210112858
    Abstract: 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: Application
    Filed: April 13, 2018
    Publication date: April 22, 2021
    Applicant: 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
  • Patent number: 10874807
    Abstract: Embodiments of the invention disclose a combined ultrasonic atomizer, an atomization method thereof and electronic cigarette.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: December 29, 2020
    Assignee: 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
  • Publication number: 20200323263
    Abstract: An electronic cigarette is disclosed. The electronic cigarette includes a housing (1) and an atomization assembly (2) disposed in the housing (1). The electronic cigarette also includes a fixing mechanism (3) capable of fixing the atomization assembly (2), an unlocking mechanism (4) for controlling the fixing mechanism (3) to be relatively fixed to or separated from the atomization assembly (2), and an elastic mechanism (5) for ejecting the atomization assembly (2) outward when the fixing mechanism (3) is separated from the atomization assembly (2). The atomization assembly (2) can be ejected for replacement without contacting the atomization assembly (2) by hand, thereby preventing scalding and staining the hand. A top cover assembly (23) can be automatically opened only by pressing a sliding assembly (38) to replace a cartridge. The top cover assembly (23) can be reset by pushing to avoid misalignment.
    Type: Application
    Filed: December 14, 2018
    Publication date: October 15, 2020
    Applicant: CHINA TOBACCO HUNAN INCUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Hong Yu, Yuangang Dai, Xingqiang Yin, Jianhua Yi, Yongquan Zhou, Chaoxiang Huang
  • Publication number: 20200305500
    Abstract: An ultrasonic liquid electronic cigarette atomizer and an ultrasonic liquid electronic cigarette are disclosed. The ultrasonic liquid electronic cigarette atomizer comprises an atomization core, a suction nozzle and an air outlet tube. A bottom end of the air outlet tube is communicated with an atomization chamber of the atomization core. A top end of the air outlet tube is communicated with the suction nozzle. The top end of the air outlet tube is communicated with a bottom end of the suction nozzle through a liquid blocking chamber, and the diameter of a top end of the liquid blocking chamber is greater than the diameter of the bottom end of the suction nozzle. The atomizer further comprises a connecting seat between the liquid blocking chamber and the suction nozzle.
    Type: Application
    Filed: October 30, 2018
    Publication date: October 1, 2020
    Applicant: 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
  • Patent number: 10757971
    Abstract: Embodiments of the present invention disclose an atomizer of electronic cigarette, comprising an ultrasonic atomization piece, wherein one surface of the ultrasonic atomization piece is in contact with a tobacco tar storage piece; the tobacco tar storage piece communicates with a tobacco tar cavity; the tobacco tar storage piece communicates with an airflow passage; and the tobacco tar storage piece and the ultrasonic atomization piece are sequentially provided along a smoke outflow direction.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: September 1, 2020
    Assignee: Shenzhen Xiangyan Technology Co., Ltd.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Yuangang Dai, Xinqiang Yin, Jianhua Yi, Hong Yu, Youlin He
  • Publication number: 20200253279
    Abstract: An ultrasonic electronic cigarette is disclosed. The electronic cigarette includes a housing (1) provided with an atomization sheet assembly (2) and a cartridge (3) therein. The atomization sheet assembly (2) comprises an ultrasonic atomization sheet (4) and an atomization seat (5) for supporting and fixing the ultrasonic atomization sheet (4). A top cover (7) is connected to the top end of the housing (1). A suction nozzle (8) is connected to the top cover (7). A press plate (9) and a locking mechanism (10) for controlling the press plate (9) to be opened or closed are also disposed in the housing (1). The cartridge (3) is fixed in the press plate (9). When the top cover (7) is closed and the locking mechanism (10) is locked, the press plate (9) and/or the cartridge (3) abut against the atomization sheet assembly (2).
    Type: Application
    Filed: September 30, 2018
    Publication date: August 13, 2020
    Applicant: 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, Chaoxiang Huang
  • Patent number: 10716328
    Abstract: Embodiments of the present invention disclose an electronic cigarette atomizer, including an outer sleeve and a suction nozzle connected with one end of the outer sleeve, wherein a tobacco tar cavity and an atomization core are provided in the outer sleeve; the atomization core comprises two ultrasonic atomization components, and atomization surfaces of the two ultrasonic atomization components are provided oppositely; a gap is provided between the two atomization surfaces; the gap communicates with the suction nozzle; the two atomization surfaces are in contact with a first tobacco tar storage body and a second tobacco tar storage body respectively; and both of the first tobacco tar storage body and the second tobacco tar storage body communicate with the tobacco tar cavity.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: July 21, 2020
    Assignee: China Tobacco Hunan Industrial Co., Ltd.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Yuangang Dai, Xinqiang Yin, Hong Yu, Jianhua Yi, Yongquan Zhou
  • Publication number: 20200221776
    Abstract: An electronic cigarette, comprising a housing and a suction nozzle, the housing provided with a support. The electronic cigarette further comprises a top cover capable of covering an opening of the housing, the suction nozzle is disposed at the top of the top cover, one end of the top cover is connected to the support through a rotating shaft, a clamping rib is disposed at the bottom of the top cover, and a locking mechanism connected to the clamping rib by locking and an elastic mechanism for opening the top cover when the locking mechanism is separated from the clamping rib are also disposed in the housing; the locking mechanism comprises a key handle, a transmission and a first spring, and one end of the key handle is connected to the transmission.
    Type: Application
    Filed: September 30, 2018
    Publication date: July 16, 2020
    Applicant: 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, Youlin He
  • Publication number: 20200214349
    Abstract: An ultrasonic electronic cigarette atomizer are disclosed. The atomizer includes an ultrasonic atomization sheet (1), an atomization cotton (3), a liquid chamber (2), an air inlet tube (6), an air outlet channel (7), and a suction nozzle (8). The atomization cotton (3) is communicated with the liquid chamber (2) and is in contact with an atomization surface of the ultrasonic atomization sheet (1). An inlet of the air inlet tube (6) is communicated with the outside. The air inlet tube (6), an atomization region of the ultrasonic atomization sheet (1), the air outlet channel (7), and the suction nozzle (8) are communicated in sequence. An outlet of the air inlet tube (6) is opposite to the atomization region of the ultrasonic atomization sheet (1).
    Type: Application
    Filed: September 13, 2018
    Publication date: July 9, 2020
    Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Hong Yu, Yuangang Dai, Xinqiang Yin, Jianhua Yi, Lizhou Shen, Yongquan Zhou, Yang Wang
  • Publication number: 20200107577
    Abstract: An ultrasonic electronic cigarette atomizer is disclosed, comprising including an atomization core, an atomizer housing, and a liquid bin. When liquid is filled into the liquid bin, the liquid passing hole is closed and the air outlet channel is closed, to avoid leakage or immersion of liquid, the atomizer is clean and sanitary, waste is avoided, and cost is saved. The whole operation is very simple, the atomization core is convenient to replace, hands are not stained with liquid, and the liquid is convenient to fill. The cigarette liquid is unlikely to flow out through the liquid filling hole, and large granular cigarette liquid generated in atomization can be recycled.
    Type: Application
    Filed: April 13, 2018
    Publication date: April 9, 2020
    Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu LIU, Kejun ZHONG, Xiaoyi GUO, Wei HUANG, Hong YU, Yuangang DAI, Xinqiang YIN, Jianhua YI, Lizhou SHEN
  • Publication number: 20200060336
    Abstract: Disclosed are an inclined ultrasonic atomizing sheet structure, an atomizer and an electronic cigarette. The inclined ultrasonic atomizing sheet structure comprises atomization cotton and an ultrasonic atomizing sheet. The ultrasonic atomizing sheet is obliquely arranged relative to the horizontal plane, and two ends of the atomization cotton are used for connecting to tobacco tar in a tobacco tar cavity via tobacco tar guide cotton, or the two ends of the atomization cotton are directly arranged in the tobacco tar cavity. A lower surface of the atomization cotton is in contact with an atomization surface of the ultrasonic atomizing sheet. The ultrasonic atomizing sheet structure can prevent the ultrasonic atomizing sheet from being soaked in the tobacco tar and thus prevent the situation that smoke cannot be produced by atomization.
    Type: Application
    Filed: November 21, 2017
    Publication date: February 27, 2020
    Applicant: 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
  • Publication number: 20200060337
    Abstract: The present invention discloses an oscillation control circuit for an ultrasonic atomization sheet, and an ultrasonic electronic cigarette. The oscillation control circuit includes a DC boost module, a separately excited excitation module, and a microcontroller. A power module is connected to the ultrasonic atomization sheet through the DC boost module and the separately excited excitation module, and the separately excited excitation module is electrically connected to the microcontroller.
    Type: Application
    Filed: January 5, 2018
    Publication date: February 27, 2020
    Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu LIU, Kejun ZHONG, Xiaoyi GUO, Wei HUANG, Hong YU, Yuangang DAI, Xinqiang YIN, Jianhua YI, Guangping CAO
  • Patent number: 10561803
    Abstract: The present invention discloses an ultrasonic atomizer and electronic cigarette. The ultrasonic atomizer includes an atomization piece and a liquid guide structure, which guides liquid onto an upper surface of the atomization piece; the liquid guide structure communicates with a liquid storage cavity; the upper surface of the atomization piece communicates with an airflow passage; and the atomization piece comprises a piezoelectric ceramic layer and an electric conductor, which drives vibration of the piezoelectric ceramic layer. No micropore needs to be provided in the atomization piece of the present invention to eject the atomized gas, thereby being free of the situation that the micropore is blocked by larger atomized gas particles, resulting in that the atomized gas cannot be ejected, and meanwhile the situation of liquid leakage of the atomizer can be better prevented.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: February 18, 2020
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu Liu, Kejun Zhong, Xiaoyi Guo, Wei Huang, Yuangang Dai, Xinqiang Yin, Hong Yu, Lizhou Shen, Yang Wang
  • Publication number: 20200029624
    Abstract: An atomizer and an electronic cigarette with an atomizer are disclosed. The atomizer includes an atomizer body, in which the atomizer body includes a shell, a suction nozzle assembly mounted at the top of the shell, a liquid chamber and an atomization core disposed in the shell. An electronic cigarette with the atomizer is disclosed as well. The electronic cigarette can prevent liquid accumulation caused by long-time static placement and various misoperations. Furthermore, cigarette liquid does not leak during injection. The components of the atomizer such as the suction nozzle or the base do not need to be disassembled, so that the cigarette liquid is convenient to inject, and the user experience is good.
    Type: Application
    Filed: April 12, 2018
    Publication date: January 30, 2020
    Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Jianfu LIU, Kejun ZHONG, Xiaoyi GUO, Wei HUANG, Hong YU, Yuangang DAI, Xinqiang YIN, Jianhua YI, Yang WANG
  • Patent number: 10531687
    Abstract: Embodiments of the present invention disclose an ultrasonic atomizer and electronic cigarette. The ultrasonic atomizer comprises a liquid storage cavity and a piezoelectric ceramic piece both are provided in an outer sleeve the plane where the piezoelectric ceramic piece is located is parallel to the axial line of the outer sleeve; at least one surface of the piezoelectric ceramic piece is in contact with a liquid storage body; the liquid storage body communicates with the liquid storage cavity; and an atomization surface of the piezoelectric ceramic piece communicates with an air passage.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: January 14, 2020
    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, Youlin He