Patents by Inventor Yongkuan CHEN
Yongkuan CHEN 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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Patent number: 11730203Abstract: An electromagnetic heating smoking paraphernalia capable of evenly heating tobacco particles includes a tobacco particle heating tank, wherein the tobacco particle heating tank includes a metal inductive cylinder and a tight coil, a space between the metal inductive cylinder and the tight coil is a tobacco particle holding cavity; an end of the tobacco particle holding cavity is provided with an upper end wall, the upper end wall is provided with an upper end wall vent hole, the other end of the tobacco particle holding cavity is provided with a lower end wall, the lower end wall is provided with a lower end wall vent hole; the tight coil means that adjacent turns of the coil are tightly placed close to each other in a longitudinal axial direction without a gap; an inner wall of the metal inductive cylinder is provided with an inner wall vent hole.Type: GrantFiled: July 2, 2019Date of Patent: August 22, 2023Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Jingmei Han, Xudong Zheng, Jianguo Tang, Ru Wang, Zhiqiang Li, Ping Lei, Shanzhai Shang, Xu Zeng, Chengya Wang, Dalin Yuan, Zhiyong Sun, Yongkuan Chen
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Patent number: 11684086Abstract: A modular multifunctional electronic smoking paraphernalia includes a main body module provided with a slide rod a and a slide rod b, a cigarette holder module provided with a slide groove a, and an atomization module provided with a slide groove b. The cigarette holder module is detachably and slidably connected to the main body module by the slide rod a and the slide groove a. The atomization module is detachably and slidably connected to the main body module by the slide rod b and the slide groove b. In the present invention, the smoking paraphernalia is designed as three detachable modules, namely, the main body module, the cigarette holder module and the atomization module, which is convenient for the smoker to operate.Type: GrantFiled: June 24, 2019Date of Patent: June 27, 2023Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Ping Lei, Xudong Zheng, Jianguo Tang, Zhiqiang Li, Shanzhai Shang, Jingmei Han, Chengya Wang, Ru Wang, Xu Zeng, Dalin Yuan, Jie Tang, Yang Su, Dong Xiao, Yongkuan Chen
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Patent number: 11523637Abstract: A magnetic drive pumping apparatus for electronic cigarette liquids and an electronic cigarette product including the magnetic drive pumping apparatus are provided. The magnetic drive pumping apparatus includes a magnetic drive micro-pump including a housing body and a pump body. A pump diaphragm is arranged inside the housing body, and a pump chamber is formed between the housing body and the pump diaphragm. A valve seat and a valve diaphragm are in the pump body. The pump diaphragm, the valve seat and the valve diaphragm jointly define a flow channel of electronic cigarette liquids. The pump diaphragm is fixed with a permanent magnet, and an inner wall of the housing body is fixed with an electromagnet corresponding to the permanent magnet. A liquid storage element includes a liquid tank and an air vent. The inlet of electronic cigarette liquids is connected to the liquid tank for liquids to pass through.Type: GrantFiled: August 8, 2019Date of Patent: December 13, 2022Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Yi Han, Shoubo Li, Tinghua Li, Donglai Zhu, Xia Zhang, Wei Zhao, Xiaowei Gong, Yongkuan Chen
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Patent number: 11517043Abstract: An automatically resettable smoking paraphernalia includes the following components: an outer upper shell, a smoking cup provided inside the outer upper shell, a pushing key, and a spring, etc., wherein the smoking cup, the spring, the outer upper shell can be detached and replaced as a whole, the smoking cup can stick out of the outer upper shell by a distance to extract and unload the cigarette, and then automatically reset. Besides, the smoking cup is hidden inside the upper outer shell, so as to prevent the exposed smoking cup with an excessively high temperature from burning users, meanwhile avoiding a risk of losing the smoking cup.Type: GrantFiled: July 12, 2019Date of Patent: December 6, 2022Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Zhiqiang Li, Shanzhai Shang, Jingmei Han, Ping Lei, Chengya Wang, Ru Wang, Xu Zeng, Dalin Yuan, Yongkuan Chen, Mingming Miao
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Patent number: 11344058Abstract: An atomizing liquid gel with reversible phase transition characteristics includes: a sugar-based gelling agent, 0.1-3.0 wt %; an atomizing liquid, 97.0-99.9 wt %; a molecule of the sugar-based gelling agent is a sugar molecule introduced with an amide group and/or an aryl group, and the sugar molecule optionally further includes at least one hydrophobic structural part selected from —CxHy, —O—CxHy and and x>2 and y>2. The atomizing liquid gel has characteristics of thermal reversible phase transition and/or shear reversible phase transition, a temperature of gel-sol phase transition is 100° C.-248° C., and a critical shear stress of the gel-sol phase transition is 40-800 Pa. Under heating and/or oscillation, the atomizing liquid gel converts from the gel state to a sol state, and the atomizing agent fixed in the gel releases to form an inhalable aerosol.Type: GrantFiled: June 4, 2020Date of Patent: May 31, 2022Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Yi Han, Wei Zhao, Xiaowei Gong, Donglai Zhu, Tinghua Li, Shoubo Li, Xia Zhang, Liu Hong, Jun Wu, Yongkuan Chen, Xi Lv, Siyao Liao
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Patent number: 11311052Abstract: A device with a separated gas inlet for cigarette set includes a controller switch, a controller switch seat, a transparent light guide seat, a filter holding seat, an insulation fixing sleeve, and a charging base. In the device with the separated gas inlet for cigarette set, air inlet channel for initiating a controller switch is separated from a smoke gas channel for cigarette, thereby avoiding the failure of the controller switch caused by tarry matters of cigarette gas attaching on an initiating hole of the controller switch, and prolonging the service life of cigarette set.Type: GrantFiled: October 17, 2017Date of Patent: April 26, 2022Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Ru Wang, Xu Zeng, Chengya Wang, Shanzhai Shang, Ping Lei, Jingmei Han, Zhiqiang Li, Dalin Yuan, Liheng Zhao, Jianrong Zhang, Yongkuan Chen, Hongyong Luo, Fengren Fang
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Patent number: 11285278Abstract: An e-juice dripping type atomizer includes an e-juice storage tank, wherein a sealed surface of the e-juice storage tank is provided with at least one oil-dropping hole, a piston cylinder is sleeved in an opening of the e-juice storage tank, a piston rod is provided in the piston cylinder, an upper part of the piston rod is detachably connected to a cigarette filter; and a heating wire located at an outlet of an oil-dropping hole. An inner tank and an outer tank are provided outside the e-juice storage tank and the heating wire. The outer tank is fixedly connected to an atomizing outer tube. A side wall of the atomizing outer tube is provided with an air inlet hole. A gap enclosed by air inlet hole, inner tank and outer tank and a gap between e-juice storage tank and inner tank define a U-shaped airflow channel.Type: GrantFiled: June 28, 2019Date of Patent: March 29, 2022Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Zhiqiang Li, Shanzhai Shang, Ping Lei, Jingmei Han, Chengya Wang, Ru Wang, Xu Zeng, Dong Xiao, Dalin Yuan, Lingxuan Liu, Nengjun Xiang, Lei Wang, Yongkuan Chen
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Publication number: 20220039456Abstract: An atomizing liquid gel with reversible phase transition characteristics includes: a sugar-based gelling agent, 0.1-3.0 wt %; an atomizing agent, 97.0-99.9 wt %; a molecule of the sugar-based gelling agent is a sugar molecule introduced with an amide group and/or an aryl group, and the sugar molecule optionally further includes at least one hydrophobic structural part selected from —CxHy, —O—CxBy and and x>2 and y>2. The atomizing liquid gel has characteristics of thermal reversible phase transition and/or shear reversible phase transition, a temperature of gel-sol phase transition is 100° C.-248° C., and a critical shear stress of the gel-sol phase transition is 40-800 Pa. Under heating and/or oscillation, the atomizing liquid gel converts from the gel state to a sol state, when the heating and/or oscillation are stopped, the atomizing liquid gel is quickly recovered from the sol state to the gel state.Type: ApplicationFiled: June 4, 2020Publication date: February 10, 2022Applicant: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Yi HAN, Wei ZHAO, Xiaowei GONG, Donglai ZHU, Tinghua LI, Shoubo LI, Xia ZHANG, Liu HONG, Jun WU, Yongkuan CHEN, Xi LV, Siyao LIAO
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Patent number: 11234456Abstract: A modified carbon material, including a carbonaceous material and a water-insoluble modifier combined with the carbonaceous material, wherein the water-insoluble modifier is CuO, the carbonaceous material is one of or a mixture of biomass carbon or carbon black, a mass of the water-insoluble modifier is being 0.1-10 wt % of the carbonaceous material. The method for preparing the modified carbon material includes: (1) soaking the carbonaceous material in a copper sulfate solution for 5 to 36 hours, and (2) adding an alkali solution into a solution obtained in step (1) to provide a pH value ?12, and after keeping the pH value for 0.5 to 2 hours, filtering and drying to obtain a solid. (3) using the carbonaceous material as a combustion heat source to reduce the ignition temperature, increase or reduce the peak thermal power temperature.Type: GrantFiled: September 25, 2019Date of Patent: February 1, 2022Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Ping Lei, Jianguo Tang, Yongkuan Chen, Shanzhai Shang, Xudong Zheng, Zhiqiang Li, Weimin Gong, Jingmei Han, Chengya Wang, Jun Wu, Pei He, Xiaoli Xu, Dongye Cao, Zhihua Liu
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Patent number: 11206867Abstract: A variable-frequency surface acoustic wave electronic cigarette includes an atomizer. An atomization cavity is disposed in the atomizer, and a variable-frequency surface acoustic wave atomization chip is disposed at a lower portion of the atomization cavity. An inverted trapezoidal interdigital transducer is disposed on the variable-frequency surface acoustic wave atomization chip. An e-liquid storage cavity is disposed in the atomization cavity. A porous ceramic sheet is disposed between the e-liquid storage cavity and the atomization chip. The new variable-frequency surface acoustic wave electronic cigarette can realize any adjustment of the working frequency within a set range, thereby realizing the autonomous regulation and control of a smoke particle size after atomization of the e-liquid.Type: GrantFiled: March 25, 2020Date of Patent: December 28, 2021Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Tinghua Li, Yulin Lei, Yi Han, Jun Wu, Yongkuan Chen, Donglai Zhu, Hong Hu, Jianguo Tang, Shoubo Li, Wei Zhao, Xia Zhang, Liu Hong, Xiaowei Gong, Xi Lv
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Patent number: 11178912Abstract: A device capable of automatically igniting or heating a cigarette includes a heat source system, a control system, and the openable and closeable top cover. The heat source system includes the electric heating chamber and the igniter. The igniter includes the electric heating element. The electric heating chamber includes at least one pair of light passing holes of the electric heating chamber. The control system includes the control circuit board, the mechanical switch, the mode switching switch, the infrared light source, the light sensing switch, and the device main circuit switch. The mechanical switch controls the top cover to be opened or closed and controls the device main circuit switch to be turned on or off. The mode switching switch is used for switching between an operation of the igniter and an operation of the electric heating chamber.Type: GrantFiled: September 10, 2018Date of Patent: November 23, 2021Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Xu Zeng, Jianguo Tang, Ping Lei, Shanzhai Shang, Dalin Yuan, Xudong Zheng, Jingmei Han, Zhiqiang Li, Chengya Wang, Ru Wang, Yupeng Gong, Weimin Gong, Kunrong Shi, Zhihong Tan, Yongkuan Chen
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Patent number: 11184957Abstract: An electronic heating smoking paraphernalia capable of being rotated to extract a cigarette includes a heating unit, a heating unit protection cover, wherein the heating unit passes through a through hole to achieve a coaxial arrangement with the heating unit protection cover, an outer wall is provided with an annular protrusion and a side wall is provided with a limiting groove; a heating cavity shell, wherein the heating cavity shell is sleeved outside the heating unit protection cover, an inner wall is provided with an annular groove, the annular groove is matched with the annular protrusion, an inner wall is further provided with a sliding guide groove; and a cigarette holding cavity, wherein an outer wall is provided with protrusions, the protrusions penetrate through the limiting groove and an end of each protrusion is limited in the sliding guide groove.Type: GrantFiled: July 1, 2019Date of Patent: November 23, 2021Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Zhiqiang Li, Shanzhai Shang, Ping Lei, Jingmei Han, Chengya Wang, Ru Wang, Xu Zeng, Dong Xiao, Dalin Yuan, Lingxuan Liu, Nengjun Xiang, Lei Wang, Yongkuan Chen
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Patent number: 11160315Abstract: A compression charging device includes a cigarette case charging part and a cigarette set charging part. The cigarette case charging part includes a positive electrode cover, a positive spring, a negative spring, a charging insulation sleeve, and a PCB. The cigarette set charging part includes a filter holding seat, a charging base, and an insulation fixing sleeve. The compression charging device is configured for cigarette set charging. The negative spring and the positive spring have a double function of electrical conduction and bouncing.Type: GrantFiled: October 17, 2017Date of Patent: November 2, 2021Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Ru Wang, Chengya Wang, Xu Zeng, Jingmei Han, Ping Lei, Shanzhai Shang, Zhiqiang Li, Dalin Yuan, Changshan Zhao, Shiwei Li, Yongkuan Chen, Hongyong Luo, Fengren Fang
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Publication number: 20210329971Abstract: A variable-frequency surface acoustic wave electronic cigarette includes an atomizer. An atomization cavity is disposed in the atomizer, and a variable-frequency surface acoustic wave atomization chip is disposed at a lower portion of the atomization cavity. An inverted trapezoidal interdigital transducer is disposed on the variable-frequency surface acoustic wave atomization chip. An e-liquid storage cavity is disposed in the atomization cavity. A porous ceramic sheet is disposed between the e-liquid storage cavity and the atomization chip. The new variable-frequency surface acoustic wave electronic cigarette can realize any adjustment of the working frequency within a set range, thereby realizing the autonomous regulation and control of a smoke particle size after atomization of the e-liquid.Type: ApplicationFiled: March 25, 2020Publication date: October 28, 2021Applicant: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Tinghua LI, Yulin LEI, Yi HAN, Jun WU, Yongkuan CHEN, Donglai ZHU, Hong HU, Jianguo TANG, Shoubo LI, Wei ZHAO, Xia ZHANG, Liu HONG, Xiaowei GONG, Xi LV
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Publication number: 20210235742Abstract: A modified carbon material, including a carbonaceous material and a water-insoluble modifier combined with the carbonaceous material, wherein the water-insoluble modifier is CuO, the carbonaceous material is one of or a mixture of biomass carbon or carbon black, a mass of the water-insoluble modifier is being 0.1-10 wt % of the carbonaceous material. The method for preparing the modified carbon material includes: (1) soaking the carbonaceous material in a copper sulfate solution for 5 to 36 hours, and (2) adding an alkali solution into a solution obtained in step (1) to provide a pH value ?12, and after keeping the pH value for 0.5 to 2 hours, filtering and drying to obtain a solid. (3) using the carbonaceous material as a combustion heat source to reduce the ignition temperature, increase or reduce the peak thermal power temperature.Type: ApplicationFiled: September 25, 2019Publication date: August 5, 2021Applicant: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Ping LEI, Jianguo TANG, Yongkuan CHEN, Shanzhai SHANG, Xudong ZHENG, Zhiqiang LI, Weimin GONG, Jingmei HAN, Chengya WANG, Jun WU, Pei HE, Xiaoli XU, Dongye CAO, Zhihua LIU
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Patent number: 11058149Abstract: A smoking paraphernalia cooled by a smoke flow includes the following components: a shell; a smoking cup placed inside the shell, wherein a part of a bottom of the smoking cup is provided with a heating unit socket, a plurality of air inlet holes and a protruded step; a pushing key; a heating unit; and a fixing base. According to the smoking paraphernalia of the present invention, a surface temperature of the shell can be reduced, and tobacco residues can be conveniently cleaned, which prevents smoke from flowing toward an interior of the smoking paraphernalia and prolongs the service life of the smoking paraphernalia.Type: GrantFiled: July 5, 2019Date of Patent: July 13, 2021Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Xudong Zheng, Jianguo Tang, Zhiqiang Li, Ping Lei, Shanzhai Shang, Jingmei Han, Chengya Wang, Ru Wang, Xu Zeng, Dalin Yuan, Yongkuan Chen, Mingming Miao
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Publication number: 20210195956Abstract: A magnetic drive pumping apparatus for electronic cigarette liquids and an electronic cigarette product including the magnetic drive pumping apparatus are provided. The magnetic drive pumping apparatus includes a magnetic drive micro-pump including a housing body and a pump body. A pump diaphragm is arranged inside the housing body, and a pump chamber is formed between the housing body and the pump diaphragm. A valve seat and a valve diaphragm are in the pump body. The pump diaphragm, the valve seat and the valve diaphragm jointly define a flow channel of electronic cigarette liquids. The pump diaphragm is fixed with a permanent magnet, and an inner wall of the housing body is fixed with an electromagnet corresponding to the permanent magnet. A liquid storage element includes a liquid tank and an air vent. The inlet of electronic cigarette liquids is connected to the liquid tank for liquids to pass through.Type: ApplicationFiled: August 8, 2019Publication date: July 1, 2021Applicant: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Yi HAN, Shoubo LI, Tinghua LI, Donglai ZHU, Xia ZHANG, Wei ZHAO, Xiaowei GONG, Yongkuan CHEN
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Patent number: 10986865Abstract: A surface acoustic wave electronic cigarette system includes a piezoelectric substrate, a liquid guiding cavity, an atomization cavity, and a power feeder port. The liquid guiding cavity and the atomization cavity are provided on an upper surface of the piezoelectric substrate. An isolation board is provided between the liquid guiding cavity and the atomization cavity. The power feeder port is provided on an outer side surface of the piezoelectric substrate. The surface acoustic wave electronic cigarette of the present disclosure generates an aerosol with a smaller particle diameter by atomization, which has a comfortable smoking experience and a pure and subtle fragrance.Type: GrantFiled: October 25, 2018Date of Patent: April 27, 2021Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTD.Inventors: Tinghua Li, Yi Han, Junlong Han, Donglai Zhu, Hong Hu, Yongkuan Chen, Jun Wu, Shoubo Li
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Patent number: 10966452Abstract: A tobacco humectant, which is a metal-organic framework material with a three-dimensional structure obtained by a self-assembly of Zr4+ and terephthalic acid or 2-aminoterephthalic acid. The metal-organic framework material with the three-dimensional structure obtained by the self-assembly of the Zr4+ and the terephthalic acid is Uio-66, and the metal-organic framework material with the three-dimensional structure obtained by the self-assembly of the Zr4+ and the 2-aminoterephthalic acid is Uio-66-NH2. A preparation method of the tobacco humectant and a use thereof in tobacco is further provided.Type: GrantFiled: May 28, 2019Date of Patent: April 6, 2021Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Jingmei Han, Xudong Zheng, Hangxing Li, Shanzhai Shang, Ru Wang, Ping Lei, Zhiqiang Li, Chengya Wang, Zhiyong Sun, Jianguo Tang, Yongkuan Chen
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Patent number: 10945459Abstract: A plated silicon-based electronic cigarette atomizing chip includes the following components: a silicon substrate, wherein the silicon substrate is provided with an array of micro-pillars or an array of micro-holes, an inlet end, and an outlet end, the outer walls of the micro-pillars are plated side walls, the inner walls of the micro-holes are plated inner walls, and the array of micro-pillars defines a plurality of micro-channels or electronic cigarette liquid channels penetrating the micro-holes are provided on the silicon substrate; a glass cover, wherein the air holes passing through the glass cover are provided; and the glass cover is fixedly connected to the silicon substrate by a bonding process.Type: GrantFiled: August 8, 2019Date of Patent: March 16, 2021Assignee: CHINA TOBACCO YUNNAN INDUSTRIAL CO., LTDInventors: Yi Han, Shoubo Li, Li Chen, Tinghua Li, Yi Xu, Donglai Zhu, Xiaowei Gong, Wei Zhao, Xia Zhang, Jun Wu, Yongkuan Chen