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).

  • Publication number: 20220346459
    Abstract: Disclosed is a charging device used for charging an aerosol generating device. The charging device includes a charging housing and a battery unit received in the charging housing, wherein the charging housing includes a first casing and a second casing connected to the first casing in a cooperation manner, a receiving cavity provided with an opening at least on a lateral side thereof is provided between the first casing and the second casing, and the aerosol generating device is installed in the charging housing through the receiving cavity to be electrically connected with the battery unit so as to charge the aerosol generating device using the charging device.
    Type: Application
    Filed: July 15, 2022
    Publication date: November 3, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventors: Weihua QIU, Chang'an WANG
  • Publication number: 20220346455
    Abstract: Disclosed are an atomizer and an aerosol generating device with the atomizer. The atomizer includes a liquid storage member, an air guiding member and a bottom seat arranged between the liquid storage member and the air guiding member, wherein an atomizing chamber is provided in the atomizer, an air guiding groove in communication with the atomizing chamber is provided on the liquid storage member, and an air inlet channel in communication with the air guiding groove is provided on the air guiding member.
    Type: Application
    Filed: July 15, 2022
    Publication date: November 3, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventors: Weihua QIU, Guanyun SHI
  • Patent number: 11478019
    Abstract: A voltage output circuit, an electronic device and an electronic cigarette are provided. The voltage output circuit includes a battery assembly and a control circuit. The battery assembly is electrically connected with an atomizing circuit. A first signal output end of the control circuit is connected with a main control circuit, and a second signal output end of the control circuit is connected with the main control circuit. When the main control circuit receives a sensing signal output by the first signal output end and a load working signal output by the second signal output end, the main control circuit controls the battery assembly to supply power to the atomizing circuit, such that the atomizing circuit starts to work, thereby solving the problem that the mechanical key is easy to be triggered by non-human in the related art to cause potential safety hazards.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: October 25, 2022
    Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.
    Inventors: Weihua Qiu, Jianjun Liu, Guangze Liu, Zhiming Song
  • Publication number: 20220330615
    Abstract: An atomizer includes a liquid storage member and an atomizing assembly. A liquid storage chamber used to store an aerosol-forming substrate is provided in the liquid storage member. The atomizing assembly is slidably connected to the liquid storage member, and includes a heating structure. The atomizing assembly is provided with a liquid inlet. A sealing member is installed in the liquid inlet. An abutting rod is provided within the liquid storage member and is fixed relative to the liquid storage member. The abutting rod is connected to the sealing member. Sliding the atomizing assembly relative to the liquid storage member enables the atomizing assembly to move between a first position and a second position. When the atomizing assembly is in the first position, the sealing member closes the liquid inlet. When the atomizing assembly is in the second position, the sealing member is separated from the liquid inlet.
    Type: Application
    Filed: July 4, 2022
    Publication date: October 20, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Weihua QIU
  • Patent number: 11470885
    Abstract: Provided are a power supply drive module, a power supply device and an electronic cigarette, falling within the technical field of electronics. Wherein a first end of the logic controller is connected to a pulse width modulation pin, a second end is connected to a control electrode of the first transistor, and a third end is connected to a control electrode of the second transistor; a first electrode of the first transistor is connected to a voltage input pin, and a second electrode is connected to a switch pin; and a first electrode of the second transistor is connected to the switch pin, and a second electrode is connected to a ground pin. The power supply drive module includes various components integrated on the substrate, so that the volume of the entire power supply drive module is smaller.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: October 18, 2022
    Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.
    Inventor: Weihua Qiu
  • Patent number: 11452310
    Abstract: The utility model provided an atomizer. The atomizer includes an atomizing head defining an atomizing chamber; and a base seat assembly positioned on an end of the atomizing head. The base seat includes a base seat defining a liquid storage groove in communication with the atomizing chamber. The liquid storage groove is provided with a convex body defining at least one ventilation hole, when the tobacco liquid explodes, the tobacco liquid splashes to the convex body and capable of flowing into the liquid storage groove along the convex body. In the atomizer of the utility model, the tobacco liquid is prevented from leaking through the ventilation hole. It has a simple structure and a notable effect, and lightens the clear-up workload of the user, thereby improving user's experience. The utility model further provides an electronic cigarette having aforementioned atomizer.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: September 27, 2022
    Assignee: Changzhou Patent Electronic Technology Co., LTD
    Inventor: Weihua Qiu
  • Publication number: 20220295899
    Abstract: Disclosed are a liquid supply method and apparatus, belonging to the technical field of vaping simulation. The method is applied to an electronic cigarette. The method includes: obtaining a working parameter of the electronic cigarette, wherein the working parameter includes at least one of an output power of an atomizer, a temperature in an atomizing chamber and an output voltage of the electronic cigarette (110); determining a consumption rate of at least one liquid according to the working parameter (120); and according to the consumption rate of each liquid, controlling a microflow liquid supply assembly to use a microchannel to supply each liquid to an atomization assembly for atomization (130). The method solves the problem in the related art of liquid leakage or dry burning being easily caused since it is difficult to balance e-liquid supply and e-liquid consumption in an actual use process of an electronic cigarette.
    Type: Application
    Filed: June 6, 2022
    Publication date: September 22, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Weihua QIU
  • Publication number: 20220273039
    Abstract: A liquid guide member is provided. The liquid guide member works in cooperation with a heating member for atomizing an aerosol-forming substrate. The liquid guide member is divided into multiple areas. The area farthest from the heating member is defined as a first area, an area adjacent to the heating member is defined as the i-th area, and the area between the first area and the i-th area is defined as the x-th area, wherein the flow velocity Q of the aerosol-forming substrate in the first to i-th areas satisfies: Q1?Qi, and Q1>Qx, 1<x<i, i being a positive integer and i?2. The liquid guide member, atomizing core, atomizer, and aerosol generating system provided can not only reduce the risk of leakage of the aerosol-forming substrate, but also avoid the occurrence of dry burning, coking, or aerosol insufficiency.
    Type: Application
    Filed: May 20, 2022
    Publication date: September 1, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Weihua QIU
  • Patent number: 11350674
    Abstract: An electronic cigarette and a method for adjusting the power thereof are provided. The electronic cigarette includes an atomizer and a battery device. The battery device includes a casing, and a controller and a power output module disposed inside the casing. The atomizer is detachably connected to the battery device. The casing is provided with an indication module. The controller is electrically connected to the indication module and the power output module, separately. The controller controls the indication module to alternately issue different indication signals. When the controller detects that the atomizer is connected to the battery device, the controller determines the target output power corresponding to the indication signal currently issued by the indication module according to the pre-stored correspondences between the indication signals and the output powers. When a suction signal is detected, the controller controls the power output module to output the target output power.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: June 7, 2022
    Assignee: JOYETECH EUROPE HOLDING GMBH
    Inventor: Weihua Qiu
  • Publication number: 20220132926
    Abstract: An atomizing assembly for an atomizer is provided. The atomizer includes a liquid storage member and the atomizing assembly, the liquid storage member is used to store an aerosol-forming substrate. The atomizing assembly includes a heating assembly and a sealing member. The sealing member is provided with a receiving groove, the heating assembly includes a liquid absorbing member and a heating member, the liquid absorbing member s installed in the receiving groove. The liquid absorbing member includes a liquid absorbing surface used for contacting the aerosol-forming substrate and an atomizing surface on which the heating member is arranged, a protrusion is provided on the liquid absorbing surface, a space defined by the receiving groove, the liquid absorbing surface and the protrusion constitutes a liquid inlet groove. The aerosol-forming substrate is conducted by the liquid absorbing member from the liquid absorbing surface to the atomizing surface.
    Type: Application
    Filed: January 18, 2022
    Publication date: May 5, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Weihua QIU
  • Patent number: 11317653
    Abstract: The ventilation assembly for an atomizer in an electronic cigarette has a storage chamber, which includes an inlet passages and a liquid injection channel located therein. The inlet passages and the liquid injection channel are isolated from each other. The ventilation assembly further includes an injection hole, an air inlet, the injection hole is in communication with the liquid injection channel and the storage chamber sequentially; and an exhaust port, the exhaust port, and the air inlet are in communication with the inlet passages; when need to inject cigarette liquid, open the injection hole and inject the cigarette liquid into the storage chamber through the injection hole; after the liquid injection is completed, during closing the injection hole, air received in the storage chamber is discharged from the injection hole, exhaust port, the air inlet passage and the air inlet successively.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: May 3, 2022
    Assignee: Joyetech Europe Holding GmbH
    Inventor: Weihua Qiu
  • Patent number: 11304453
    Abstract: An atomizer for an electronic cigarette includes an upper cover assembly, a base assembly, and an atomizer head. The upper cover assembly includes an inner lining member defining a positioning hole and a first sliding groove, the first sliding groove includes a translational groove and a rotation groove in communication with the translational groove, the position hole is parallel to the translational groove, and a connecting member defines a first liquid intake hole in communication with the liquid storage chamber. The atomizer requires a translational push is needed prior to opening the liquid intake hole by a side sliding so as to improve safety.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: April 19, 2022
    Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Weihua Qiu
  • Patent number: 11297881
    Abstract: A heating mechanism of an electronic cigarette includes a heating member defining an airflow passage for airflow passing through; a liquid guiding member for absorbing and/or storing tobacco liquid for the heating member to perform an atomizing action; and a base seat, wherein both the heating member and liquid guiding member are assembled to the base seat. The base seat made of ceramic material can retain an atomizing temperature, causing the flavor of the next smoke to be same as the previous one smoke. Because the base seat made of ceramic material has a high temperate resistance, a flavor cannot be influenced by avoiding a dry-fried due to an appropriate assembly. Further, the base seat made of ceramic material can absorb a part or all the tobacco liquid condensed and received in the atomizing chamber, when the atomizer is used again, the fried oil can be avoided.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: April 12, 2022
    Assignee: Changzhou Patent Electronic Technology Co., LTD
    Inventor: Weihua Qiu
  • Patent number: 11291251
    Abstract: An electronic cigarette includes a microprocessor, a battery module and a heating element. The battery module is electrically connected to the heating element and supplies power to the heating element with a first output parameter. The electronic cigarette further includes a sensing module, connected to the microprocessor and disposed in a smoke outlet passage of the electronic cigarette, for detecting the concentration of an analyte and sending it to the microprocessor. The microprocessor stores a preset threshold, the microprocessor receives the concentration of the analyte detected by the sensing module, and further determines the relationship between the concentration of the analyte and the preset threshold. When the concentration of the analyte is higher than or equal to the preset threshold, the microprocessor controls the battery module to supply power to the heating element with a second output parameter, wherein the second output parameter is smaller than the first output parameter.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: April 5, 2022
    Assignee: CHANGZHOU JWEI INTELLIGENT TECHNOLOGY CO., LTD.
    Inventor: Weihua Qiu
  • Publication number: 20220079231
    Abstract: A liquid storage assembly includes a cartridge housing with a liquid storage cavity and a movable member rotatably arranged on the cartridge housing. The cartridge housing is provided with a liquid injection hole communicating with the liquid storage cavity. Rotating the movable member enables the movable member to close the liquid injection hole. Or, the movable member can be staggered with the liquid injection hole to expose the liquid injection hole.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventor: Weihua QIU
  • Patent number: 11272743
    Abstract: An electronic cigarette has an atomizing device and a battery device electrically connected to the atomizing device. The atomizing device has a connecting assembly connected to the battery device, a movable assembly rotatable about the connection assembly, and a locking mechanism disposed between the movable assembly and the connecting assembly, the locking mechanism is capable of releasing the locking between the movable assembly and the connecting assembly under external force, to make the movable assembly rotate circumferentially around the axis of the connecting assembly, to achieve alignment between the atomizing device and the battery device. When the locking mechanism is in the unlocked state, the user can align the atomizing device with the battery device by rotating the movable assembly so that the assembled electronic cigarette has a more pleasant appearance and more convenient to handle after the alignment.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: March 15, 2022
    Assignee: CHANGZHOU JWEI INTELLIGENT TECHNOLOGY CO., LTD.
    Inventor: Weihua Qiu
  • Publication number: 20220071283
    Abstract: An atomizer includes a liquid storage assembly and an atomizing assembly. A liquid storage cavity is provided in the liquid storage assembly. The liquid storage assembly is provided with a mounting hole. The mounting hole is in communication with the liquid storage cavity. An atomizing cavity is provided in the atomizing assembly. The atomizing assembly is provided with a liquid inlet hole communicating with the atomizing cavity, The atomizing assembly is slidably disposed in the mounting hole along an axial direction of the mounting hole. When the atomizing assembly slides to a first state, an inner wall of the mounting hole shields the liquid inlet hole such that the liquid inlet hole and the liquid storage cavity are staggered. When the atomizing assembly slides to a second state, the liquid inlet hole communicates the liquid storage cavity and the atomizing cavity. Also provided is an electronic cigarette using the atomizer.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 10, 2022
    Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD
    Inventor: Weihua QIU
  • 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