Patents Assigned to Joyetech Europe Holding GmbH
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Patent number: 11955832Abstract: A control circuit, a power supply structure and an electronic cigarette are disclosed. The power supply structure includes a battery receiving casing, and at least two battery cells are received in the battery receiving casing. The power supply structure further includes a bottom plate provided with contacts, and the bottom plate is disposed in the battery receiving casing. When the at least two battery cells are connected to a first group of contacts on the bottom plate, the at least two battery cells form a serial connection relationship. When the at least two battery cells are connected to a second group of contacts on the bottom plate, the at least two battery cells form a parallel connection relationship.Type: GrantFiled: September 29, 2017Date of Patent: April 9, 2024Assignee: JOYETECH EUROPE HOLDING GMBHInventor: Weihua Qiu
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Patent number: 11930855Abstract: The present disclosure discloses an electronic cigarette, a battery thereof is connected to an atomizing device through a first power supply circuit, the battery is connected to a first detecting device through a second power supply circuit, and first information detected by the first detecting device is used to indicate whether the electronic cigarette is in a suction state. The electronic cigarette further comprises a switching key, an on-off key, a second detecting device and an MCU, the on-off key is configured for controlling the first power supply circuit to be ON and OFF, and the second information detected by the second detecting device is used to indicate the position of the switching key; the MCU controls the second power supply circuit to be ON and OFF according to the second information.Type: GrantFiled: October 25, 2018Date of Patent: March 19, 2024Assignee: JOYETECH EUROPE HOLDING GMBHInventors: Weihua Qiu, Kui Liu
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Patent number: 11871794Abstract: An atomizer includes a liquid storage assembly and an atomizing assembly. The liquid storage assembly includes a liquid storage tube internally provided with a liquid storage chamber, a liquid outlet opening communicating with the liquid storage chamber, and a sealing member movably received in the liquid storage chamber. The atomizing assembly includes an atomizing chamber and a pushing member. When the liquid storage assembly and the atomizing assembly are separated, the sealing member is in a first state in which the sealing member seals the liquid outlet opening. When the liquid storage assembly and the atomizing assembly are connected, the pushing member abuts against the sealing member to drive the sealing member to move to a second state in which the sealing member is separated from the liquid outlet opening.Type: GrantFiled: November 22, 2016Date of Patent: January 16, 2024Assignee: JOYETECH EUROPE HOLDING GMBHInventor: Weihua Qiu
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Patent number: 11723414Abstract: A control method and device, and an electronic cigarette. The method includes: obtaining the maximum output power during the secure output of an atomizer connected to a body; detecting whether the currently-set target power of the atomizer is higher than the maximum output power; and if the target power is higher than the maximum output power, executing a preset operation, the preset operation including at least one of controlling, the atomizer to output at power lower than or equal to the maximum output power and displaying a first reminder message, according to a cigarette lighting signal. The method resolves the problem that dry burning would easily occur in an atomizer, and has the function of protecting the atomizer and preventing the shortening of the life of a heating component caused by the burning of the heating component due to high power output of the atomizer.Type: GrantFiled: November 26, 2018Date of Patent: August 15, 2023Assignee: JOYETECH EUROPE HOLDING GMBHInventors: Weihua Qiu, Zhongzhou Wang
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Patent number: 11641883Abstract: An electronic cigarette control method and an electronic cigarette are provided. The method includes: acquiring the characteristic parameter of the atomizer of the electronic cigarette; determining the first output power corresponding to the characteristic parameter of the atomizer; and outputting electric energy to the atomizer with the first output power when a smoking signal is detected. The electronic cigarette can output electric energy of different powers to atomizers with different specifications, so that the battery device of the electronic cigarette can be adapted to atomizers with different specifications, thereby increasing the adaptation range of the electronic cigarette.Type: GrantFiled: August 3, 2018Date of Patent: May 9, 2023Assignee: JOYETECH EUROPE HOLDING GMBHInventors: Weihua Qiu, Rufeng You
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Patent number: 11547149Abstract: An electronic cigarette and a control method thereof are provided. The electronic cigarette includes a power supply device, a control device, a tobacco heating device and an e-liquid atomizing device. The power supply device is configured to provide electric power to the control device, the tobacco heating device and the e-liquid atomizing device. The tobacco heating device and the e-liquid atomizing device have a common smoke outlet. The control device is electrically connected to each of the tobacco heating device and the e-liquid atomizing device. The control device is configured to control the tobacco in the tobacco heating device to be heated when receiving an instruction for heating the tobacco and control the e-liquid in the e-liquid atomizing device to be atomized when a condition for atomizing the e-liquid is satisfied.Type: GrantFiled: September 29, 2018Date of Patent: January 10, 2023Assignee: JOYETECH EUROPE HOLDING GMBHInventors: Weihua Qiu, Neng Hua
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Patent number: 11547147Abstract: The present invention relates to the technical field of electronics, and provides a boosting circuit, a battery device, and an electronic cigarette. An output end of the boosting module is connected to a first end of the protection capacitor; an anode of the rectifier diode is connected to a second end of the protection capacitor, and a cathode of the rectifier diode is connected to the first end and a load of the voltage feedback module; the second end of the voltage feedback module is connected to a feedback end of the boosting module and a first end of the output control resistor, and a second end of the output control resistor is grounded; an enabling end of the boosting module is connected to a controller.Type: GrantFiled: December 13, 2017Date of Patent: January 10, 2023Assignee: JOYETECH EUROPE HOLDING GMBHInventors: Weihua Qiu, Hansen Chen
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Patent number: 11500417Abstract: An electronic cigarette and a wearable electronic device which can function together or separately are disclosed. The electronic cigarette includes a communication interface, a controller, a heat generator, and a power supply. The wearable electronic device includes a sensor, a controller, and a communication interface. The electronic cigarette and the wearable electronic device can cooperatively work. Data can be exchanged between the electronic cigarette and the wearable electronic device and each can process the received data, thereby controlling the electronic cigarette to operate in certain manners. The electronic cigarette can function with greater intelligence and with more diversity.Type: GrantFiled: August 8, 2019Date of Patent: November 15, 2022Assignee: JOYETECH EUROPE HOLDING GMBHInventor: Wei-Hua Qiu
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Patent number: 11454996Abstract: An electronic cigarette includes a processor, a heating element, and a power supply. The heating element is electrically coupled to the processor. The power supply is electrically coupled to the processor and the heating element. The processor is configured to calculate a resistance value RL of the heating element before the heating element is powered on, determine whether the resistance value RL of the heating element is within a predetermined range, and determine whether a temperature control mode is selected when the resistance value RL of the heating element is within the predetermined range. The processor is configured to determine whether the heating element is adapted to the temperature control mode when the temperature control mode is selected, and control the heating element to work in the temperature control mode when the heating element is adapted to the temperature control mode. A related temperature control method is also provided.Type: GrantFiled: April 26, 2019Date of Patent: September 27, 2022Assignee: JOYETECH EUROPE HOLDING GMBHInventor: Wei-Hua Qiu
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Patent number: 11350674Abstract: 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: GrantFiled: August 3, 2018Date of Patent: June 7, 2022Assignee: JOYETECH EUROPE HOLDING GMBHInventor: Weihua Qiu
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Patent number: 11317653Abstract: 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: GrantFiled: December 14, 2018Date of Patent: May 3, 2022Assignee: Joyetech Europe Holding GmbHInventor: Weihua Qiu
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Patent number: 11259568Abstract: 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: GrantFiled: May 9, 2017Date of Patent: March 1, 2022Assignee: JOYETECH EUROPE HOLDING GMBHInventor: Weihua Qiu
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Patent number: 11147314Abstract: An atomizer for an electronic cigarette includes a liquid storage assembly, an adjustment assembly detachably mounted at one end of the liquid storage assembly, and an atomizing assembly received in the liquid storage assembly. The atomizing assembly comprises an atomizing head and an atomizing sleeve sleeved on the outside of the atomizing head. The adjustment assembly is defined with an intake passage therein. The atomizing head includes an atomizing core, at least one air intake groove in communication with the intake passage is axially defined on the outer surface of the side wall of the atomizing core, an air intake hole communicating with an air intake groove is defined at a lower end of the bottom of each of the air intake groove.Type: GrantFiled: February 1, 2019Date of Patent: October 19, 2021Assignee: JOYETECH EUROPE HOLDING GMBHInventor: Weihua Qiu
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Patent number: 11147128Abstract: An atomizer includes an external sleeve and a heating assembly. The external sleeve defines an air intake hole. The heating assembly is received in the external sleeve. The heating assembly includes a tobacco holder and a heating member for heating the tobacco holder, the tobacco holder defines an atomizing chamber for filling fuming material, the tobacco holder defines a ventilation hole which fluidly communicates with the atomizing chamber. A spiral air intake passage is formed outside the tobacco holder and surrounds the tobacco holder, both the air intake hole and the ventilation hole fluidly communicate with the air intake passage, the tobacco holder and/or the heating member possesses a heating effect to the air intake passage. The tobacco holder and the air flow flowing through the spiral air intake passage can be heated at the same time.Type: GrantFiled: February 27, 2019Date of Patent: October 12, 2021Assignee: JOYETECH EUROPE HOLDING GMBHInventor: Weihua Qiu
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Patent number: 11127988Abstract: 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: GrantFiled: March 21, 2018Date of Patent: September 21, 2021Assignee: Joyetech Europe Holding GmbHInventors: David Guo, Weihua Qiu, Neng Hua, Xiaoqi Xu
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Patent number: 11109623Abstract: A driver circuit for electronic cigarettes includes an MCU, a power source, a first sampling circuit, a second sampling circuit, and a buck-boost driver circuit electrically connected to the MCU, the boosting circuit and MCU are respectively electrically connected the power source. The buck-boost driver circuit comprises a first half bridge drive circuit and a second half bridge drive circuit respectively connected to the MCU. One end of the first sampling circuit is electrically connected to an input terminal of the first half bridge drive circuit, through which the power source supplies power to the first half bridge drive circuit; the other end of the first sampling circuit is electrically connected to the MCU; one end of the second sampling circuit is electrically connected to the output terminal of the second half bridge drive circuit, and the other end of the second sampling circuit is electrically connected to the MCU.Type: GrantFiled: January 31, 2019Date of Patent: September 7, 2021Assignee: Joyetech Europe Holding GmbHInventor: Weihua Qiu
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Patent number: D930897Type: GrantFiled: September 21, 2019Date of Patent: September 14, 2021Assignee: JOYETECH EUROPE HOLDING GMBHInventors: Weihua Qiu, Mifei Xu
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Patent number: D937473Type: GrantFiled: September 1, 2019Date of Patent: November 30, 2021Assignee: JOYETECH EUROPE HOLDING GMBHInventors: Weihua Qiu, Hao Wang
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Patent number: D937474Type: GrantFiled: September 21, 2019Date of Patent: November 30, 2021Assignee: JOYETECH EUROPE HOLDING GMBHInventors: Weihua Qiu, Jialian Zhao
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Patent number: D937475Type: GrantFiled: September 23, 2019Date of Patent: November 30, 2021Assignee: JOYETECH EUROPE HOLDING GMBHInventors: Weihua Qiu, Jialian Zhao