Patents by Inventor Weihua Qiu

Weihua Qiu 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: 11259568
    Abstract: A liquid storage assembly includes a liquid storage tube having a liquid storage chamber, a sealing member, an adjusting member, and a lower cover. The sealing member is received in the liquid storage tube and defines a second liquid intake hole fluidly communicating with the liquid storage chamber. The adjusting member is received in the liquid storage tube and is rotatable relative to the sealing member, the adjusting defines a communicating portion corresponding to the second liquid intake hole.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: March 1, 2022
    Assignee: JOYETECH EUROPE HOLDING GMBH
    Inventor: Weihua Qiu
  • Patent number: 11259573
    Abstract: An automatic manual electronic cigarette includes a battery assembly, an atomizing assembly, a manual switch assembly, an automatic switch assembly and an automatic manual shift assembly. The automatic manual shift assembly includes a shift key and a control board. The control board has a manual control contact and an automatic control contact. When the shift key is electrically connected to the manual control contact, the battery assembly is controlled by the manual switch assembly to supply power to the atomizing assembly; when the switch key is electrically connected to the automatic control contact, the battery assembly is controlled by the automatic switch assembly to supply power to the atomizing assembly. As such, the automatic manual electronic cigarette integrates two functions of manual control and automatic control.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: March 1, 2022
    Assignee: CHANGZHOU JWEI INTELLIGENT TECHNOLOGY CO., LTD.
    Inventor: Weihua Qiu
  • Patent number: 11241548
    Abstract: A mouthpiece and an atomizing device including the mouthpiece are provided, the mouthpiece includes an upper cover body, a sensor assembly and a base, where both the upper cover body and the base are hollow structures which open at both ends; the upper cover body is sleeved on one end of the base; an inner surface of the upper cover body and an inner surface of the base jointly define an inner cavity of the mouthpiece; the sensor assembly is fixed in the inner cavity of the mouthpiece; an air passage gap is formed in the inner cavity of the mouthpiece; and the sensor assembly includes at least one sensor that functions to detect the temperature or humidity or both of the smoke. The mouthpiece can detect the temperature and/or humidity of the smoke in real time.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: February 8, 2022
    Assignee: CHANGZHOU JWEI INTELLIGENT TECHNOLOGY CO., LTD.
    Inventor: Weihua Qiu
  • Patent number: 11234464
    Abstract: An atomizing head includes a heating assembly and an atomizing sleeve, the atomizing sleeve includes a first chamber and a second chamber in communication with each other, and the external airflow is successively flowing through the first chamber and the second chamber, and take away smoke formed by the aerosol forming substrate atomized by the heating assembly. The first chamber and the second chamber are spaced apart to effectively separate the airflow drawn from the outside with the second chamber. Since the airflow is completely passed through the entire atomizing head, it is difficult to form an effusion, the temperature of the heating element is substantially uniform everywhere, the airflow of the present disclosure is smooth, the heat conduction effect is good. In addition, the present disclosure uses a double heating assemblies, the amount of smoke is large and it is difficult to form an effusion.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: February 1, 2022
    Assignee: CHANGZHOU JWEI INTELLIGENT TECHNOLOGY CO., LTD.
    Inventor: Weihua Qiu
  • Publication number: 20220022538
    Abstract: A cartridge includes a cartridge housing having a liquid storage cavity, and a sealing member for sealing the liquid storage cavity, and a first electrode and a second electrode mounted on the sealing member. A first blind hole and a second blind hole are respectively disposed on the end face of the sealing member away from the liquid storage cavity. The liquid injection needle pierces the sealing member through the wall of at least one of the first blind hole and the second blind hole and communicates with the liquid storage cavity to inject liquid into the liquid storage cavity. After the liquid injection is completed, the liquid injection needle is pulled out, and the sealing member is self-sealed at the pierced position. The first blind hole is blocked by the first electrode while the second blind hole is blocked by the second electrode.
    Type: Application
    Filed: October 7, 2021
    Publication date: January 27, 2022
    Inventor: Weihua QIU
  • Publication number: 20220015445
    Abstract: The application provides a position detection circuit, which is connected to a processing circuit (200), and includes a first switch module (110) and a first ground resistor (R1); the first switch module (110) includes a first end, a second end and a first switch (T1), the first switch module (110) is used for controlling on/off state of the first switch (T1) according to whether the placement member is placed at a first placement position, the first end of the first switch module (110) receives a. system voltage (Vcc), and the second end outputs a first state signal or a second state signal to the processing circuit (200) according to the on/off state of the first switch (T1); and the first grounding resistor (R1) has a first end connected to the second end of the first switch module (110), and a second end grounded. Also provided is an electronic cigarette.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventors: Weihua Qiu, Yuhui Zhang
  • Publication number: 20220006310
    Abstract: The present utility model belongs to the field of electronic devices. Disclosed are a battery protection circuit and an electronic cigarette. The battery protection circuit comprises a first protection chip, and the first protection chip comprises a power supply input end and a power supply output end, the power supply input end being connected to a voltage bus end of a charging interface, the power supply output end being connected to a battery assembly by means of a charging circuit; when the voltage of the power supply input end is greater than a safety threshold, the first protection chip disconnects the circuit connection between the power supply input end and the power supply output end; when the voltage of the power supply input end is less than or equal to the safety threshold, the first protection chip connects the circuit between the power supply input end and the power supply output end.
    Type: Application
    Filed: September 13, 2021
    Publication date: January 6, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventors: Weihua QIU, Kui LIU
  • Publication number: 20220000181
    Abstract: A cartridge and an electronic cigarette are provided. The cartridge includes an atomizer including a supporting base and an atomizing head installed in the supporting base; a liquid storage container installed on the supporting base, a liquid storage chamber being defined between the liquid storage container and the supporting base; a liquid pump configured for pumping e-liquid in the liquid storage chamber to the atomizing head; a constant pressure member installed in the supporting base and only allowing external air to flow into the liquid storage chamber in one direction. Through the arrangement of the constant pressure member, the air in the liquid storage chamber can be quickly replenished, so that the air pressure in the liquid storage chamber is balanced, and the piezoelectric pump can pump the e-liquid more smoothly.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 6, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventors: Weihua QIU, Neng HUA
  • Publication number: 20220006130
    Abstract: The present disclosure provides a cartridge, a battery assembly and an electronic cigarette. The cartridge, includes: a liquid absorbing assembly, and a liquid container for supplying tobacco liquid to the liquid absorbing element, the liquid absorbing element is arranged below the liquid container, the liquid absorbing assembly is arranged in such a manner that the tobacco liquid is kept in the liquid container or the liquid absorbing element before the cartridge is assembled at an in-use state.
    Type: Application
    Filed: September 20, 2021
    Publication date: January 6, 2022
    Inventors: David GUO, Weihua QIU, Neng HUA, Xiaoqi XU
  • Patent number: 11213071
    Abstract: An 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. Since the first airflow passage is isolated from the second airflow passage by the partition member, the sensor is unaffected when a user inhales smoke from the smoke passage, the sensitivity of the sensor is not reduced, the smoking experience for the user is improved.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: January 4, 2022
    Assignee: JOYETECH (CHANGZHOU) ELECTRONICS CO., LTD.
    Inventor: Weihua Qiu
  • Publication number: 20210401060
    Abstract: A method and a device for controlling electronic cigarette belong to the technical field of computers. The method comprises: when a safety mode of electronic cigarette is turned on, if a cigarette lighting signal is detected, using a detection component to detect whether an atomizing head is moved out of an electronic cigarette body; if detecting that the atomizing head is moved out of the electronic cigarette body, stopping controlling the atomizing head to work according to the cigarette lighting signal, wherein when the atomizing head is moved out of the electronic cigarette body, the atomizing head is still electrically connected to battery assembly in the electronic cigarette. The method and the device solve the problem that electronic cigarette user mistakenly triggers lighting operation and causes to burn user when the atomizing head is exposed outside the electronic cigarette body, which achieving safe use effect of electronic cigarette.
    Type: Application
    Filed: July 8, 2021
    Publication date: December 30, 2021
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventors: Weihua QIU, Wanlin CAI
  • Publication number: 20210401044
    Abstract: Disclosed are a cartridge and an electronic cigarette having the cartridge. The cartridge includes a liquid storage cavity, an atomizing cavity, a liquid suction member, a liquid outlet, a smoke outlet, and an air inlet opening. Before the cartridge is used, the liquid outlet is in a closed state, such that e-liquid in the liquid storage cavity is isolated from the liquid suction member. When the cartridge is used, the liquid outlet is in an open state, such that the e-liquid in the liquid storage cavity flows out through the liquid outlet. The atomizing cavity is provided with an opening, and the size of the heating member matches the size of the opening; and when the cartridge is used, the heating member extends into the atomizing cavity through the opening and comes into contact with the liquid suction member or stays a preset distance away from the liquid suction member.
    Type: Application
    Filed: September 13, 2021
    Publication date: December 30, 2021
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventors: Weihua QIU, Sa XIAO, Guanyun SHI
  • Publication number: 20210378313
    Abstract: A temperature control method and an electronic cigarette. The method includes: when an electronic cigarette is in a temperature holding mode, obtaining a first holding temperature corresponding to the current temperature holding mode; adjusting the holding temperature of the electronic cigarette from the first holding temperature to a second holding temperature according to adjustment reference information; and adjusting the temperature of the electronic cigarette to the holding temperature.
    Type: Application
    Filed: January 8, 2019
    Publication date: December 9, 2021
    Inventors: WEIHUA QIU, WANLIN CAI
  • Publication number: 20210368867
    Abstract: Disclosed is a mouthpiece assembly, including a lower mouthpiece cover and an upper mouthpiece cover. The lower mouthpiece cover is provided with a first air inlet passage and a first air outlet passage. The upper mouthpiece cover is provided with an air exiting hole. The upper mouthpiece cover can move relative to the lower mouthpiece cover. When the upper mouthpiece cover is in a first connection state relative to the lower mouthpiece cover, the first air inlet passage is in communication with the outside, and the first air outlet passage is in communication with the air exiting hole; and when the upper mouthpiece cover is in a second connection state relative to the lower mouthpiece cover, the first air inlet passage and the first air outlet passage are closed by the upper mouthpiece cover.
    Type: Application
    Filed: May 11, 2018
    Publication date: December 2, 2021
    Inventors: WEIHUA QIU, WANLIN CAI
  • Patent number: 11178908
    Abstract: An atomizer changes the inflow and outflow direction by adding a shunt tube. The external air passes through the bottom of the atomizing chamber to the top of the atomizing chamber, carrying out the smoke in the atomizing chamber. In another atomizer, the air outlet pipe extends directly to the bottom of the atomizing chamber, where it is connected to the air inlet passage in the air intake member. As such, the smoke in the atomizing chamber can be carried out by the external air.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: November 23, 2021
    Assignee: CHANGZHOU JWEI INTELLIGENT TECHNOLOGY CO., LTD.
    Inventor: Weihua Qiu
  • Patent number: 11172547
    Abstract: An atomizer and an electronic cigarette are provided. The atomizer comprises an atomizing chamber and a heating assembly, the heating assembly includes heater, the heater is in the form of a sheet, the two opposite sides of the heater form air flow passages, the two opposite side walls of the heater respectively form the side walls of the air flow passages, the air flow passages are in communicate with the atomizing chamber, the number of the heater is at least one. Since the heating assembly located in the air flow passages is configured to heat the air entrance into the air flow passages, so that the air has a higher temperature when it reaches the atomizing chamber. The hot air heats the tobacco, and the contact area between the hot air and the tobacco is more uniform, and the heating can be completed quickly without waiting, generating more smoke and improving the taste.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: November 9, 2021
    Assignee: Changzhou Patent Electronic Technology Co., LTD
    Inventors: Weihua Qiu, Neng Hua
  • Publication number: 20210337879
    Abstract: A battery housing includes a first casing and a second casing. A side wall of the first casing is provided with a limiting groove along an axial direction of the first casing. A guiding rib is protrudingly provided on the outer wall of the first casing along the axial direction of the first casing. An inner wall of the second casing is protrudingly provided with a limiting protrusion corresponding to the limiting groove along an axial direction of the second casing. A side wall of the second casing is provided with a guiding groove corresponding to the guiding rib along the axial direction of the second casing. When the second casing is sleeved on the outside of the first casing, the limiting protrusion is engaged in the limiting groove, and the guiding rib is engaged in the guiding groove.
    Type: Application
    Filed: June 24, 2021
    Publication date: November 4, 2021
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventors: Weihua QIU, Liangjun ZHOU
  • Patent number: D937473
    Type: Grant
    Filed: September 1, 2019
    Date of Patent: November 30, 2021
    Assignee: JOYETECH EUROPE HOLDING GMBH
    Inventors: Weihua Qiu, Hao Wang
  • Patent number: D937474
    Type: Grant
    Filed: September 21, 2019
    Date of Patent: November 30, 2021
    Assignee: JOYETECH EUROPE HOLDING GMBH
    Inventors: Weihua Qiu, Jialian Zhao
  • Patent number: D937475
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: November 30, 2021
    Assignee: JOYETECH EUROPE HOLDING GMBH
    Inventors: Weihua Qiu, Jialian Zhao