Patents by Inventor CHANGZHENG DAI

CHANGZHENG DAI 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: 11147308
    Abstract: An atomizing assembly structure is disclosed that is easy to disassemble. The atomizing assembly structure includes an atomizing sleeve, a threaded sleeve and an atomizing core. The atomizing sleeve has a lower end fixed to the threaded sleeve. The atomizing assembly structure further includes a tobacco liquid valve and a top cap. The atomizing core is arranged inside the tobacco liquid valve. The atomizing core and the tobacco liquid valve are in pluggable connection. The tobacco liquid valve has an upper end connected to the top cap through thread. The top cap covers and seals the atomizing sleeve. The atomizing assembly structure is simple in structure, easy to disassemble and regulate, convenient to clean and is leakage-proof, and thus greatly improves user experience.
    Type: Grant
    Filed: June 17, 2018
    Date of Patent: October 19, 2021
    Assignee: Shenzhen First Union Technology Co., Ltd.
    Inventors: Zhiquan Chen, Xiaoqiang Zhao, Changzheng Dai, Yonghai Li, Zhongli Xu
  • Patent number: 10881145
    Abstract: An atomization assembly includes a housing tube; and an atomization core disposed in the housing tube; the atomization core includes a heating element for heating and atomizing tobacco liquid, a first liquid conducting layer wrapped around the heating element, and a supporter disposed in the housing tube and configured for fixing the atomization core; the supporter includes an accommodation chamber for receiving the atomization core and at least one gap on a side wall of the supporter, in communication with the accommodation chamber configured for conveying tobacco liquid to the first liquid conducting layer of the atomization core.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: January 5, 2021
    Assignee: Shenzhen First Union Technology Co., Ltd.
    Inventors: Xiaoqiang Zhao, Renjin Wu, Yonghai Li, Zhongli Xu, Changzheng Dai
  • Patent number: 10721966
    Abstract: An exemplary atomizer includes a housing, a sealing cover, an atomizing element, an air passage, and an liquid injecting opening. The housing has a first end and an opposite second end. The second end is configured for connecting with a power supply. The housing defines a liquid chamber configured for containing tobacco liquid. The sealing cover is threadedly coupled with the first end. The atomizing element is configured for atomizing the tobacco liquid to form aerosol. The liquid injecting opening is defined in the first end. The sealing cover is configured for sealing the liquid injecting opening. The sealing cover includes a device configured for preventing children from screwing off the sealing cover. The sealing cover can be screwed off via an outer surface thereof only when an external force is exerted on the device to change an internal structural relationship of the device.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: July 28, 2020
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai
  • Patent number: 10537138
    Abstract: An atomizer includes a mouthpiece assembly, a liquid supply assembly, a holder assembly, and an atomizing core. The liquid supply assembly includes a first liquid chamber, a second liquid chamber, an air pipe, a movable element, and an elastic element. A through hole is provided between the first liquid chamber and the second liquid chamber. The movable element is movable along the air pipe between a first position and a second position. When the holder assembly is engaged with the liquid supply assembly, the elastic element is compressed, the movable element is in the first position, and the first liquid chamber is in communication with the second liquid chamber via the through hole. When the holder assembly is detached from the liquid supply assembly, the elastic element drives the movable element to move to the second position, and the through hole is sealed.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: January 21, 2020
    Assignee: Shenzhen First Union Technology Co., Ltd.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai, Yonglu Guo
  • Patent number: 10377622
    Abstract: The present disclosure relates to a refillable device. The refillable device includes a liquid chamber in the refillable device, a connection end, a sealing component arranged in the connection end, and a rotating mechanism. The liquid chamber is configured for storing tobacco liquid. The connection end is configured for connecting with an open end of a liquid injecting container. The sealing component defines a liquid inlet. The rotating mechanism tightly abuts against the sealing component. The rotating mechanism is rotatable between a first position where the liquid inlet is opened, and a second position where the liquid inlet is sealed.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: August 13, 2019
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai, Xingbing Zou
  • Patent number: 10280064
    Abstract: The present disclosure relates to a liquid injecting container for storing liquid and injecting the liquid into a refillable device. The liquid injecting container includes a hollow housing, a sealing component, and a rotating body. The housing has an open end configured for connecting the refillable device. The sealing component and the rotating body are arranged in the open end. The rotating body is rotatable relative to the sealing component, the sealing component defines at least one liquid outlet, the rotating body is capable of rotating driven by the refillable device between a first position where the rotating body seals the at least one liquid outlet, and a second position where the at least one liquid outlet is opened, such that the liquid in the liquid injecting container can flow into the refillable device.
    Type: Grant
    Filed: September 18, 2016
    Date of Patent: May 7, 2019
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai, Xingbing Zou
  • Patent number: 10238147
    Abstract: The present disclosure relates to an atomizer for an electronic cigarette. The atomizer includes a housing, a mouthpiece, a liquid tank, an atomizing cup, an atomizing assembly, an air pipe. The atomizer further includes a movable element and an elastic element. When the mouthpiece is connected to the housing, the mouthpiece abuts against the air pipe, and drives the air pipe and the movable element to compress the elastic element axially, so that the at least one through hole is in communication with the at least one liquid inlet, and the atomizing assembly absorbs the tobacco liquid flowed from the at least one through hole. When the mouthpiece is detached from the housing, the air pipe and the movable element are driven by the elastic element to restore to an initial position where the at least one through hole is misaligned with the at least one liquid inlet.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: March 26, 2019
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai
  • Publication number: 20180360118
    Abstract: An atomizing assembly structure is disclosed that is easy to disassemble. The atomizing assembly structure includes an atomizing sleeve, a threaded sleeve and an atomizing core. The atomizing sleeve has a lower end fixed to the threaded sleeve. The atomizing assembly structure further includes a tobacco liquid valve and a top cap. The atomizing core is arranged inside the tobacco liquid valve. The atomizing core and the tobacco liquid valve are in pluggable connection. The tobacco liquid valve has an upper end connected to the top cap through thread. The top cap covers and seals the atomizing sleeve. The atomizing assembly structure is simple in structure, easy to disassemble and regulate, convenient to clean and is leakage-proof, and thus greatly improves user experience.
    Type: Application
    Filed: June 17, 2018
    Publication date: December 20, 2018
    Applicant: Shenzhen First Union Technology Co., Ltd.
    Inventors: Zhiquan CHEN, Xiaoqiang ZHAO, Changzheng DAI, Yonghai LI, Zhongli XU
  • Publication number: 20180325178
    Abstract: An atomization assembly includes a housing tube; and an atomization core disposed in the housing tube; the atomization core includes a heating element for heating and atomizing tobacco liquid, a first liquid conducting layer wrapped around the heating element, and a supporter disposed in the housing tube and configured for fixing the atomization core; the supporter includes an accommodation chamber for receiving the atomization core and at least one gap on a side wall of the supporter, in communication with the accommodation chamber configured for conveying tobacco liquid to the first liquid conducting layer of the atomization core.
    Type: Application
    Filed: April 25, 2018
    Publication date: November 15, 2018
    Applicant: Shenzhen First Union Technology Co., Ltd.
    Inventors: Xiaoqiang ZHAO, Renjin WU, Yonghai LI, Zhongli XU, Changzheng DAI
  • Patent number: 10125004
    Abstract: The present disclosure relates to a liquid injecting container for an atomizer. The atomizer includes a liquid injecting opening. The liquid injecting container includes a housing, a movable piece, and an elastic piece. The housing defines a reservoir for storing tobacco liquid. The housing has an open end. The open end defines at least one liquid outlet. The movable piece is capable of moving along an axial direction of the open end. The elastic piece abuts against the movable piece. When the open end is coupled to the liquid injecting opening, the movable piece is capable of moving axially to a first position where the at least one liquid outlet is opened. When the open end is detached from the atomizer, the elastic piece is capable of driving the movable piece to move axially to a second position where the at least one liquid outlet is sealed.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: November 13, 2018
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai, Xingbing Zou
  • Patent number: 10085484
    Abstract: An exemplary atomizer includes a housing, a receiving chamber defined in the housing, an atomizing unit arranged in the housing, and a deformable valve hermetically engaged in the liquid inlet. The receiving chamber is configured for storing tobacco liquid, and the receiving chamber has a liquid inlet. The atomizing unit is configured for generating aerosol from the tobacco liquid. The valve is capable of deforming upon an external force exerted by an injector, so that tobacco liquid can be injected into the receiving chamber via the liquid inlet, and capable of restoring to its original shape to seal the liquid inlet when the injector is moved out.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: October 2, 2018
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai, Xingbing Zou
  • Patent number: 10021917
    Abstract: An atomizer includes a main body and an atomizing device detachably connected to the main body. The main body defines a liquid chamber. The atomizing device includes an atomizing core and a first connecting holder. The first connecting holder is configured for supporting the atomizing core. The first connecting holder is configured for connecting with the main body in a rotatable manner. The atomizing device further includes a second connecting holder movable between a first position and a second position along an axial direction. When the second connecting holder is in the first position, the second connecting holder is rotatable relative to the first connecting holder. When the second connecting holder is in the second position, the second connecting holder is capable of driving the first connecting holder to rotate, so that the first connecting holder can be detached from the main body.
    Type: Grant
    Filed: October 29, 2017
    Date of Patent: July 17, 2018
    Assignee: Shenzhen First Union Technology Co., Ltd.
    Inventors: Changzheng Dai, Yonghai Li, Zhongli Xu
  • Patent number: 10004275
    Abstract: The present disclosure relates to an atomizer for an electronic cigarette. The atomizer includes a housing, a sealing cover, a mouthpiece, an atomizing device, and an air pipe. The housing has a first end and a second end. The housing defines a liquid chamber configured for containing tobacco liquid. The atomizing device is configured for atomizing the tobacco liquid to form aerosol. The first end defines a liquid filling opening in communication with the liquid chamber. When the sealing cover is connected with the first end, the sealing cover seals the liquid filling opening. The sealing cover defines an air inlet. The air pipe and the liquid chamber cooperatively define an annular air passage in communication with the air inlet, so that external air can enter the air inlet and reach the atomizing device through the air passage, and then together with the aerosol can be expelled via the mouthpiece.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: June 26, 2018
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai
  • Patent number: 9999253
    Abstract: The present disclosure relates to an atomizer for an electronic cigarette. The atomizer includes a housing, a liquid chamber, an atomizing unit, and a deformable valve. The liquid chamber is in the housing and configured for storing tobacco liquid. The liquid chamber has a liquid injecting opening. The atomizing unit is configured for absorbing and atomizing the tobacco liquid. The deformable valve is arranged in the liquid injecting opening. The valve is capable of being pushed open by an external injector, so that the tobacco liquid can be injected into the liquid chamber. The valve is capable of restoring to its original shape to seal the liquid injecting opening when the injector is removed.
    Type: Grant
    Filed: November 20, 2016
    Date of Patent: June 19, 2018
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai
  • Patent number: 9993028
    Abstract: An exemplary atomizer includes a main body of housing, a mouthpiece, an atomizing core, an atomizing cover. The main body of housing defines a liquid chamber configured for storing tobacco liquid. The mouthpiece is detachably connected with an end of the main body of housing. The atomizing core arranged in the main body of housing. The atomizing cover is arranged in the liquid chamber. The atomizing core is arranged in the atomizing cover. The atomizing cover has a top surface, and the top surface defines at least one liquid inlet. The atomizing core includes a heating element and a liquid conducting element surrounding the heating element. The liquid conducting element is configured for absorbing tobacco liquid flowed from the at least one liquid inlet, and the heating element is configured for atomizing the tobacco liquid in the liquid conducting element.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: June 12, 2018
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai, Xingbing Zou
  • Publication number: 20180116287
    Abstract: An atomizer includes a main body and an atomizing device detachably connected to the main body. The main body defines a liquid chamber. The atomizing device includes an atomizing core and a first connecting holder. The first connecting holder is configured for supporting the atomizing core. The first connecting holder is configured for connecting with the main body in a rotatable manner. The atomizing device further includes a second connecting holder movable between a first position and a second position along an axial direction. When the second connecting holder is in the first position, the second connecting holder is rotatable relative to the first connecting holder. When the second connecting holder is in the second position, the second connecting holder is capable of driving the first connecting holder to rotate, so that the first connecting holder can be detached from the main body.
    Type: Application
    Filed: October 29, 2017
    Publication date: May 3, 2018
    Applicant: Shenzhen First Union Technology Co., Ltd.
    Inventors: Changzheng Dai, Yonghai Li, Zhongli Xu
  • Publication number: 20180116290
    Abstract: An atomizer includes a mouthpiece assembly, a liquid supply assembly, a holder assembly, and an atomizing core. The liquid supply assembly includes a first liquid chamber, a second liquid chamber, an air pipe, a movable element, and an elastic element. A through hole is provided between the first liquid chamber and the second liquid chamber. The movable element is movable along the air pipe between a first position and a second position. When the holder assembly is engaged with the liquid supply assembly, the elastic element is compressed, the movable element is in the first position, and the first liquid chamber is in communication with the second liquid chamber via the through hole. When the holder assembly is detached from the liquid supply assembly, the elastic element drives the movable element to move to the second position, and the through hole is sealed.
    Type: Application
    Filed: November 2, 2017
    Publication date: May 3, 2018
    Applicant: Shenzhen First Union Technology Co., Ltd.
    Inventors: Yonghai LI, Zhongli XU, Changzheng DAI, Yonglu GUO
  • Patent number: 9814272
    Abstract: An exemplary atomizer includes a liquid supply, a mouthpiece at a first end of the liquid supply, an air pipe, a liquid supply, and an atomizing device at an opposite second end. The atomizing device includes a main body, a liquid conducting element, and a heating element. The main body has an atomizing chamber. The liquid supply defines at least one air inlet at the first end. The air pipe and the liquid supply cooperatively define an annular air passage. The main body defines at least one liquid inlet and at least one air hole. The air passage is in communication with the atomizing chamber via the at least one air hole. The liquid supply has a housing, and the housing defines liquid outlets. The liquid outlets communicates with the at least one liquid inlet, and the liquid conducting element is configured for absorbing the tobacco liquid.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: November 14, 2017
    Assignee: SHENZHEN FIRST UNION TECHNOLOGY CO., LTD.
    Inventors: Yonghai Li, Zhongli Xu, Changzheng Dai
  • Publication number: 20170297892
    Abstract: The present disclosure relates to a refillable device. The refillable device includes a liquid chamber in the refillable device, a connection end, a sealing component arranged in the connection end, and a rotating mechanism. The liquid chamber is configured for storing tobacco liquid. The connection end is configured for connecting with an open end of a liquid injecting container. The sealing component defines a liquid inlet. The rotating mechanism tightly abuts against the sealing component. The rotating mechanism is rotatable between a first position where the liquid inlet is opened, and a second position where the liquid inlet is sealed.
    Type: Application
    Filed: June 29, 2017
    Publication date: October 19, 2017
    Inventors: YONGHAI LI, ZHONGLI XU, CHANGZHENG DAI, XINGBING ZOU
  • Publication number: 20170208869
    Abstract: The present disclosure relates to an atomizer for an electronic cigarette. The atomizer includes a housing, a sealing cover, a mouthpiece, an atomizing device, and an air pipe. The housing has a first end and a second end. The housing defines a liquid chamber configured for containing tobacco liquid. The atomizing device is configured for atomizing the tobacco liquid to form aerosol. The first end defines a liquid filling opening in communication with the liquid chamber. When the sealing cover is connected with the first end, the sealing cover seals the liquid filling opening. The sealing cover defines an air inlet. The air pipe and the liquid chamber cooperatively define an annular air passage in communication with the air inlet, so that external air can enter the air inlet and reach the atomizing device through the air passage, and then together with the aerosol can be expelled via the mouthpiece.
    Type: Application
    Filed: April 5, 2017
    Publication date: July 27, 2017
    Inventors: YONGHAI LI, ZHONGLI XU, CHANGZHENG DAI