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).
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Publication number: 20240114971Abstract: An atomizer and an aerosol generating device are provided. An atomizing assembly and a sealing seat are provided in an accommodating cavity of a liquid storage member, and the atomizing assembly is supported on the sealing seat, so that the portion of the interior of the liquid storage member other than the atomizing assembly and the sealing seat defines a liquid storage cavity, and an atomizing cavity is provided inside the atomizing assembly. The liquid storage cavity is communicated with the atomizing cavity through a liquid inlet hole. An air inlet hole is formed on the liquid storage member, and an air inlet passage that communicates the atomizing cavity with the air inlet hole is formed on the sealing seat. Before the aerosol generating device is put into use, the air inlet passage is sealed by a plugging assembly.Type: ApplicationFiled: December 22, 2023Publication date: April 11, 2024Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTDInventor: Weihua QIU
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Patent number: 11950636Abstract: 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: GrantFiled: June 24, 2021Date of Patent: April 9, 2024Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTDInventors: Weihua Qiu, Liangjun Zhou
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Temperature control method of electronic cigarette, electronic cigarette and computer storage medium
Patent number: 11950635Abstract: A temperature control method of an electronic cigarette includes the following steps: when a cigarette lighting signal is received, acquiring a preset maximum duty cycle as the initial duty cycle or determining the initial duty cycle according to the current parameters of the electronic cigarette; adjusting the battery voltage according to the initial duty cycle and outputting the battery voltage to a heating element to increase the temperature of the heating element; acquiring a temperature parameter for characterizing the temperature of the heating element; when the temperature parameter of the heating element meets a preset temperature control condition, adjusting the duty cycle according to the temperature parameter of the heating element so that the heating element retains its temperature. The temperature control method can realize the effective control of the temperature of the heating element and ensure the suction effect and the suction safety.Type: GrantFiled: February 22, 2021Date of Patent: April 9, 2024Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTDInventors: Weihua Qiu, Guimei Fan -
Patent number: 11950637Abstract: 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: GrantFiled: May 11, 2018Date of Patent: April 9, 2024Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.Inventors: Weihua Qiu, Wanlin Cai
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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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Publication number: 20240081424Abstract: A cartridge (1), and an aerosol generating apparatus and system control, according the number of times a power supply apparatus (2) has performed lighting, an atomization apparatus is turned on or off. The cartridge (1) includes: a signal transceiver (111), used to receive a lighting signal that is sent by the power supply apparatus (2) cooperating with the cartridge (1) in which the encryption chip (11) is located, and send an update signal to a processor (113); a memory (112), which is used to store the remaining inhalation numbers as well as a preset maximum inhalation number; and a processor (113), which is used to update the remaining inhalation numbers in the memory (112) according to a preset first rule, so that the power supply apparatus (2) cooperating with the cartridge (1) reads, the remaining inhalation numbers stored therein, and then controls an atomizing device to stop operation.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.Inventor: Weihua QIU
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Publication number: 20240074512Abstract: A cartridge, and a verification method, apparatus for a cartridge. The verification method for a cartridge includes: receiving a first password seed sent by a verification device for a cartridge (101); reading a pre-stored root password (102); calculating a second session password according to the root password and the first password seed (103); and sending, to the verification apparatus, verification information carrying the second session password, so that the verification apparatus compares and verifies a pre-stored first session password corresponding to the first password seed with the second session password, and if comparison verification is passed, determining that the cartridge is a matching cartridge (104). By means of performing password verification on a verification apparatus and a cartridge, the mixed use of a power supply apparatus and a cartridge that are of different models is effectively prevented.Type: ApplicationFiled: November 7, 2023Publication date: March 7, 2024Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTDInventor: Weihua QIU
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Patent number: 11903423Abstract: An atomizer includes a housing, an atomizing assembly and a movable assembly. The housing defines a mounting opening. The atomizing assembly includes an inner tube detachably mounted in the housing through the mounting opening. The inner tube is provided with a smoke outlet. The movable assembly includes a dustproof cover movably disposed on the housing and a locking member. The dustproof cover is rotatable relative to the locking member, rotating the dustproof cover can open the mounting opening to expose the smoke outlet or close the mounting opening to cover the smoke outlet. The inner tube is provided with a locking groove engaged with the locking member. When the dustproof cover opens the mounting opening and the dustproof cover is caused to slide, the locking member moves under the driving of the dustproof cover to disengage from the locking groove, such that the inner tube can be taken out.Type: GrantFiled: March 10, 2021Date of Patent: February 20, 2024Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTDInventors: Weihua Qiu, Hengcong Su
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Patent number: 11889863Abstract: The disclosure provides a voltage output circuit. The voltage output circuit includes a control chip and a buck switch chip. The control chip includes a first control signal input terminal, a second control signal input terminal, and a modulation signal output terminal. The buck switch chip includes a first channel terminal, a first control terminal, and a second channel terminal. The first channel terminal receives a system power supply voltage. The first control terminal is connected to the modulation signal output terminal of the control chip. When the first control signal input terminal and/or the second control signal input terminal receives an effective level, the control chip controls the second channel terminal to output a driving voltage.Type: GrantFiled: March 19, 2021Date of Patent: February 6, 2024Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTDInventors: Weihua Qiu, Kui Liu
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Publication number: 20240016211Abstract: The present disclosure relates to an aerosol generating device and an atomizer. The atomizer includes an atomizing housing and an atomizing base. The lower end of the atomizing housing is connected to the upper end of the atomizing base. A communicating hole is provided at the bottom of the atomizing housing to allow an atomizing chamber in the atomizing housing to communicate with the inner cavity of the atomizing base. A partition plate is provided within the inner cavity of the atomizing base and divides the inner cavity of the atomizing base into a liquid storage cavity and a ventilation cavity. An opening is provided at the upper end of the partition plate. The opening is used for communicating the liquid storage cavity with the ventilation cavity. The liquid storage cavity is located directly below the communicating hole. The ventilation cavity is located away from the underside of the communicating hole. At least one ventilation hole is provided on the bottom wall of the atomizing base.Type: ApplicationFiled: April 29, 2023Publication date: January 18, 2024Inventor: WEIHUA QIU
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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: 11864592Abstract: 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. The present application solves the problem of a few heating modes of electronic cigarettes in the prior art, and increases heating modes of electronic cigarettes.Type: GrantFiled: January 8, 2019Date of Patent: January 9, 2024Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.Inventors: Weihua Qiu, Wanlin Cai
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Publication number: 20240000152Abstract: An aerosol generating device has an air inlet and liquid blocking structure, and an atomizer. The air inlet and liquid blocking member includes an air intake pipe and at least two groups of liquid blocking rib assemblies. The air intake pipe includes an opening end, a closed end, and an outer peripheral wall, the opening end is provided with an air inlet, the outer peripheral wall defines an air guiding hole. The liquid blocking rib assemblies are arranged at intervals along the axial direction of the intake pipe. Each group of liquid blocking rib assemblies includes at least one liquid blocking section protruding radially along the intake pipe and arranged along a circumferential direction. One or more dripping port O are defined between the liquid blocking sections located on the same circumference.Type: ApplicationFiled: August 11, 2021Publication date: January 4, 2024Inventor: Weihua QIU
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Publication number: 20230413906Abstract: The atomizer includes a base provided with an air inlet; a liquid storage member provided with a liquid storage chamber therein; and an atomization assembly. The atomizing assembly includes a fixing seat and an atomizing core, an atomizing chamber communicating with the liquid storage chamber and the air inlet is formed in the fixing seat, the atomizing core is provided in the atomizing chamber and atomizes the aerosol-forming substrate provided by the liquid storage chamber, the smoke formed by atomization is output under the drive of the gas introduced by the air inlet; a returning air channel is formed on the fixing seat, the returning air channel is connected between the air inlet and the liquid storage chamber. The atomizer has a returning air channel formed on the fixing seat to balance the air pressure difference in the liquid storage chamber and achieve smooth liquid release.Type: ApplicationFiled: August 11, 2021Publication date: December 28, 2023Inventor: Weihua QIU
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Publication number: 20230404148Abstract: An atomizer includes a liquid storage pipe having a liquid storage chamber, a connecting member, an adjusting member rotatably received in the connecting member, a pressing cover, and an air intake cover provided with a clamping claw capable of driving the adjusting member to rotate. A bottom wall of the connecting member is provided with a first liquid inlet hole communicating with the liquid storage chamber. The adjusting member is provided with a third liquid inlet hole corresponding to the first liquid inlet hole. The pressing cover is provided with at least one clamping groove. When the air intake cover is rotated, the clamping claw drives the adjusting member to rotate along the clamping groove, to cause the third liquid inlet hole to communicate with the first liquid inlet hole or to cause the adjusting member to close the first liquid inlet hole.Type: ApplicationFiled: August 17, 2023Publication date: December 21, 2023Inventor: WEIHUA QIU
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Publication number: 20230351413Abstract: An anti-counterfeiting and encryption system and method for a cartridge, the method including: by means of an encryption unit, encrypting an ID information and a basic information of each cartridge, and storing the encrypted data in a first memory chip of a corresponding cartridge; when the cartridge is inserted into an smoking appliance for the first time, reading and decrypting, by means of a processing chip of smoking appliance, the information stored in the first memory chip of the cartridge so as to obtain the ID information, binding the ID information and encoding information, and storing the bound information in the first memory chip of the cartridge and a second memory chip of the smoking appliance at the same time; reading the bound formation in the second memory chip of the smoking appliance, and sending the bound information to a background server to determine whether the cartridge is valid.Type: ApplicationFiled: June 21, 2023Publication date: November 2, 2023Applicant: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTDInventor: Weihua QIU
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Publication number: 20230337742Abstract: Provided are an atomizing core, an atomizer, an aerosol generating device and a method for manufacturing an atomizing core. The atomizing core includes a porous substrate, a heating layer, and electrodes. The surface of at least one side of the porous substrate is provided with an atomizing surface. By forming the electrodes on the porous substrate by using a thick film process, the heating layer is covered on the atomizing surface of the porous substrate, and there is no need to form the electrodes on the heating layer. Therefore, the electrodes may be firmly connected to the porous substrate, and the electrodes will also not be impacted by the high-temperature and high-speed fluid of the aerosol-forming substrate, so that the electrodes are not easy to fall off.Type: ApplicationFiled: June 12, 2023Publication date: October 26, 2023Inventor: WEIHUA QIU
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Publication number: 20230276856Abstract: An atomizing core includes an atomizing base, an atomizing bracket, a heating element, an atomizing cover, a liquid guiding member, a detecting chip and an electrode assembly. The atomizing base is concavely provided with accommodating groove, one end of the atomizing bracket is fixed in the accommodating groove, the heating member is supported at the other end of the atomizing bracket, the atomizing cover is provided at the outside of the heating member, the liquid guiding member is arranged in the atomizing cover, the detecting chip is provided in the accommodating groove. When the atomizing core is working, the detecting chip detects and records the working information of the atomizing core, so that the user can monitor the working and usage status of the atomizing core.Type: ApplicationFiled: April 28, 2023Publication date: September 7, 2023Inventor: Weihua QIU
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Patent number: 11730204Abstract: An upper cover assembly includes an upper cover, a liquid filling cap movable relative to the upper cover between a usage position and a liquid filling position, and a mouthpiece. The upper cover is provided with a liquid filling hole and a smoke outlet hole. The liquid filling cap is provided with a through hole. The mouthpiece is integrally formed with the liquid filling cap and is in communication with the through hole. When the liquid filling cap is in the usage position, the liquid filling cap covers the liquid filling hole and the through hole is in communication with the smoke outlet hole. When the liquid filling cap is moved from the usage position to the liquid filling position, the liquid filling cap is displaced from the liquid filling hole and the liquid filling hole is opened.Type: GrantFiled: June 21, 2019Date of Patent: August 22, 2023Assignee: CHANGZHOU PATENT ELECTRONIC TECHNOLOGY CO., LTD.Inventor: Weihua Qiu