Patents by Inventor Jianfu Liu

Jianfu Liu 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).

  • Patent number: 10506827
    Abstract: Embodiments of the present invention disclose an ultrasonic atomization piece, a manufacturing method thereof, an ultrasonic atomizer and electronic cigarette. The ultrasonic atomization piece comprises a ceramic substrate, which is provided with an upper silver layer on the upper surface and with a lower silver layer on the lower surface. The ceramic substrate, the upper silver layer and the lower silver layer form piezoelectric ceramic, and glass glaze for protecting the upper silver layer is provided on the upper surface of the piezoelectric ceramic; and a tobacco tar adsorption layer is provided on the upper surface of the glass glaze to form a piezoelectric ceramic component, and the tobacco tar adsorption layer is used for adsorbing, guiding and transferring tobacco tar.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: December 17, 2019
    Assignee: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Xiaoyi Guo, Yuangang Dai, Xinqiang Yin, Wei Huang, Hong Yu, Jianhua Yi, Kejun Zhong, Jianfu Liu, Yongquan Zhou
  • Patent number: 10492527
    Abstract: Embodiments of the present invention disclose an atomizer of electronic cigarette and electronic cigarette. The atomizer comprises a housing; the housing is in fixed connection with a suction nozzle; an ultrasonic atomization piece is fixed in the housing; the ultrasonic atomization piece comprises a solid piezoelectric ceramic piece; one surface of the solid piezoelectric ceramic piece is in contact with a liquid guide structure, and the other surface thereof is in contact with solid perfume; the liquid guide structure communicates with a tobacco tar storage cavity; both of the liquid guide structure and the solid perfume communicate with an airflow passage; and an air inlet of the airflow passage communicates with the outside of the housing, and an outlet of the airflow passage communicates with the suction nozzle.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: December 3, 2019
    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
  • Publication number: 20190289914
    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: Application
    Filed: December 17, 2016
    Publication date: September 26, 2019
    Applicant: 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
  • Publication number: 20190274360
    Abstract: Disclosed is an atomizer, comprising an atomizer body, a suction nozzle assembly, an air inlet, an atomization sheet, a tobacco tar chamber, a tobacco tar guide device and an air outflow passage, in which a tobacco tar separation chamber is provided in the middle of the tobacco tar chamber, and an accommodating chamber is provided in the tobacco tar separation chamber.
    Type: Application
    Filed: October 17, 2017
    Publication date: September 12, 2019
    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: 20190269177
    Abstract: Disclosed is an atomizer, comprising an atomizer body, a suction nozzle assembly mounted at the top of the atomizer body, an air inlet provided in the atomizer body, an atomizing sheet and a tobacco tar cavity provided in the atomizer body, and a tobacco tar guide body which guides tobacco tar in the tobacco tar cavity to an atomizing surface of the atomizing sheet. The atomizer introduces entered air to allow all the air to pass over, at a low level, the surface where the atomizing cotton is in contact with the atomizing sheet. The atomizing efficiency is higher, and more smoke is produced.
    Type: Application
    Filed: March 2, 2017
    Publication date: September 5, 2019
    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, Lizhou SHEN
  • Publication number: 20190230991
    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: Application
    Filed: February 16, 2017
    Publication date: August 1, 2019
    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: 20190223503
    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: Application
    Filed: December 16, 2016
    Publication date: July 25, 2019
    Applicant: 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
  • Publication number: 20190216135
    Abstract: Disclosed is an ultrasonic electronic cigarette atomizer. An atomizer shell, an atomization piece and a liquid guide structure are arranged in the atomizer shell. The liquid guide structure communicates with a liquid storage cavity in the atomizer shell. A heating body is further arranged in the atomizer shell. Both of the atomization piece and the heating body are in contact with the liquid guide structure, and both of the heating body and an atomization surface of the atomization piece communicate with an airflow passage, and a positive electrode and a negative electrode of the heating body are respectively connected with one end and the other end of a power supply. The heating body can not only quickly heat the tobacco tar to approach to its atomization temperature, but also can transfer a part of heat to the atomization piece, so that the atomization piece atomizes the tobacco tar quickly, shortening the atomization time.
    Type: Application
    Filed: February 16, 2017
    Publication date: July 18, 2019
    Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Xiaoyi GUO, Wei HUANG, Hong YU, Yuangang DAI, Xinqiang YIN, Jianhua YI, Kejun ZHONG, Jianfu LIU, Lizhou SHEN, Youlin HE
  • Publication number: 20190183176
    Abstract: 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: Application
    Filed: December 15, 2016
    Publication date: June 20, 2019
    Applicant: 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
  • Publication number: 20190166905
    Abstract: An ultrasonic electronic cigarette atomizing core and atomizer is provided, the atomizing core including an atomizing core sleeve, and tobacco tar guide cotton and an atomizing piece in the atomizing core sleeve.
    Type: Application
    Filed: December 17, 2016
    Publication date: June 6, 2019
    Applicant: 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: 20190150519
    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: Application
    Filed: December 15, 2016
    Publication date: May 23, 2019
    Applicant: 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
  • Publication number: 20190142063
    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: Application
    Filed: December 17, 2016
    Publication date: May 16, 2019
    Applicant: 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: 20190115828
    Abstract: The present application provides an output voltage adjustable circuit, a voltage adjustment method and a display apparatus. The output voltage adjustable circuit includes a DC voltage output sub circuit, configured to output a DC voltage. The output voltage adjustable circuit further includes a resistor-adjustable sub circuit, coupled to the DC voltage output sub circuit, and configured to adjust a resistance of a resistor connected to the DC voltage output sub circuit so that a DC voltage output by the DC voltage output sub circuit is adjustable according to the resistance of the resistor connected to the DC voltage output sub circuit.
    Type: Application
    Filed: April 30, 2018
    Publication date: April 18, 2019
    Inventor: Jianfu LIU
  • Publication number: 20190079337
    Abstract: The present disclosure provides a feedback circuit for monitoring a heating loop, comprising a sample input module, a voltage conversion module and a main control chip. The sample input module has an input terminal coupled to the heating loop and configured to collect a voltage signal from the heating loop, and an output terminal electrically coupled to an input terminal of the voltage conversion module. The voltage conversion module has an output terminal coupled to an input terminal of the main control chip, and is configured to convert the voltage signal received from the sample input module into a voltage signal that the main control chip can withstand. The main control chip is configured to send a sample control signal to the heating loop, and calculate and output magnitude of the voltage signal inputted to the sample input module according to the voltage signal outputted by the voltage conversion module.
    Type: Application
    Filed: July 7, 2017
    Publication date: March 14, 2019
    Inventors: Jianfu LIU, Qingyong LI, Junbo HU
  • Publication number: 20190066570
    Abstract: The present disclosure discloses a selection and output circuit, and a display device, and the selection and output circuit includes: a first control sub-circuit, a second control sub-circuit, a first output sub-circuit, and a second output sub-circuit, where the first control sub-circuit, the second control sub-circuit, the first output sub-circuit, and the second output sub-circuit are arranged so that the first output sub-circuit and the second output sub-circuit are controlled by the first control sub-circuit and the second control sub-circuit to operate in such a way that only one of the sub-circuits outputs a signal, and the other sub-circuit outputs no signal.
    Type: Application
    Filed: June 29, 2018
    Publication date: February 28, 2019
    Inventors: Jianfu LIU, Shihao WANG
  • Publication number: 20190053537
    Abstract: Embodiments of the present invention disclose an atomizer of electronic cigarette and electronic cigarette. The atomizer comprises a housing; the housing is in fixed connection with a suction nozzle; an ultrasonic atomization piece is fixed in the housing; the ultrasonic atomization piece comprises a solid piezoelectric ceramic piece; one surface of the solid piezoelectric ceramic piece is in contact with a liquid guide structure, and the other surface thereof is in contact with solid perfume; the liquid guide structure communicates with a tobacco tar storage cavity; both of the liquid guide structure and the solid perfume communicate with an airflow passage; and an air inlet of the airflow passage communicates with the outside of the housing, and an outlet of the airflow passage communicates with the suction nozzle.
    Type: Application
    Filed: June 22, 2016
    Publication date: February 21, 2019
    Applicant: 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
  • Publication number: 20180352854
    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: Application
    Filed: June 22, 2016
    Publication date: December 13, 2018
    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
  • Publication number: 20180325169
    Abstract: The present invention discloses an ultrasonic atomization piece, a manufacturing method thereof, an ultrasonic atomizer and electronic cigarette. The ultrasonic atomization piece comprises a ceramic substrate, which is provided with an upper silver layer on the upper surface and with a lower silver layer on the lower surface. The ceramic substrate, the upper silver layer and the lower silver layer form piezoelectric ceramic, and glass glaze for protecting the upper silver layer is provided on the upper surface of the piezoelectric ceramic; and a tobacco tar adsorption layer is provided on the upper surface of the glass glaze to form a piezoelectric ceramic component, and the tobacco tar adsorption layer is used for adsorbing, guiding and transferring tobacco tar.
    Type: Application
    Filed: September 7, 2016
    Publication date: November 15, 2018
    Applicant: CHINA TOBACCO HUNAN INDUSTRIAL CO., LTD.
    Inventors: Xiaoyi GUO, Yuangang DAI, Xinqiang YIN, Wei HUANG, Hong YU, Jianhua YI, Kejun ZHONG, Jianfu LIU, Yongquan ZHOU
  • Publication number: 20180318530
    Abstract: Embodiments of the invention disclose a combined ultrasonic atomizer, an atomization method thereof and electronic cigarette.
    Type: Application
    Filed: July 18, 2016
    Publication date: November 8, 2018
    Applicant: 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
  • Patent number: 10115361
    Abstract: A display device is presented which includes a timing control module, a source driving module and a gate driving module. The timing control module being configured to output a driving signal to the source driving module and the gate driving module respectively. The display device further includes a detection module and a reminding module. The detection module is configured to acquire the driving signal and detect the driving signal and configured to output a warning control signal to the reminding module when detecting an abnormity of the driving signal. The reminding module is configured to acquire the warning control signal output by the detection module and configured to output a warning under control of the warning control signal.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: October 30, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yongxin Zhang, Qingyong Li, Jianfu Liu