Patents by Inventor Lily Yan
Lily Yan 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: 12352726Abstract: A trace detection device including: an ion mobility tube; a sampling gas path module; a sample injection gas path module configured to introduce a sample carrier gas containing a sample collected by the sampling gas path module toward the ion mobility tube; and a gas chromatography apparatus capable of pre-separating the sample carrier gas, so as to form a pre-separated sample carrier gas; wherein the sample injection gas path module is further configured to be capable of switching between a first mode and a second mode, in the first mode, the sample injection gas path module introduces the sample carrier gas into the ion mobility tube; and in the second mode, the sample injection gas path module introduces the sample carrier gas into the gas chromatography apparatus to pre-separate the sample carrier gas, and the pre-separated sample carrier gas is introduced into the ion mobility tube.Type: GrantFiled: May 14, 2021Date of Patent: July 8, 2025Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Jianmin Li, Weiping Zhu, Qiufeng Ma, Biao Cao, Lili Yan, Ge Li, Nei Yang
-
Publication number: 20240360354Abstract: Provided by the present disclosure are a nanoemulsion and method for its preparation, and a high-temperature-resistant, high-density, oil-based well completion fluid and the application thereof. The nanoemulsion comprises a lipophilic alkenyl monomer, a hydrophilic alkenyl monomer, an emulsifier, a cross-linking agent, and water. The high-temperature-resistant, high-density, oil-based completion fluid comprises a base oil, a main emulsifier, an auxiliary emulsifier, an aqueous solution of salt, organic soil, an alkalinity regulator, a filtrate loss reducer, a stabilizer, and a weighting material. The stabilizer comprises the described nanoemulsion.Type: ApplicationFiled: June 30, 2024Publication date: October 31, 2024Inventors: Lili YAN, Jianhua WANG, Jiaqi ZHANG, Fengbao LIU, Rongchao CHENG, Haijun YANG, Xiaobo CUI, Xiaoxiao NI, Rentong LIU, Shan GAO
-
Publication number: 20230272906Abstract: A two-channel burner includes a pulverized coal supply mechanism, a transition channel, an inner secondary air guide tube, an outer secondary air guide tube, a combustion stabilizing chamber, and a flow smoothing chamber. The outer secondary air guide tube, the combustion stabilizing chamber, and the flow smoothing chamber are sequentially connected to form a burner body. The pulverized coal supply mechanism passes through an interior of the burner body. The transition channel is fitted over the pulverized coal supply mechanism. The inner secondary air guide tube is disposed between the transition channel and the outer secondary air guide tube and forms an inner secondary air passage together with the transition channel, and forms an outer secondary air passage together with the outer secondary air guide tube. An outlet end of the inner secondary air guide tube is formed to have a flared opening.Type: ApplicationFiled: August 30, 2021Publication date: August 31, 2023Inventors: Fang NIU, Wei LUO, Naiji WANG, Renshan JI, Liang SHI, Xing LIANG, Yanyan GONG, Yanrong WEI, Pengzhong LIU, Lu DUAN, Xiaojiong LI, Yuhong CUI, Xing QIU, Nan JIA, Zhixing WANG, Xiangyu ZHENG, Gang LIU, Lili YAN, Xiaolei CHENG, Zhenyu LIU, Peng MIAO, Shujuan YAN, Xufang ZHANG, Shijun WANG, Meijun LI, Boxi DU, Changfang MENG, Xuewen WANG, Mingshuang CUI, Jianpeng WANG, Yongying WANG, Long CHEN, Zhi DONG, Haipeng YU, Zhe CHEN, Song ZHANG, Huiyan MA
-
Publication number: 20230236150Abstract: A trace detection device including: an ion mobility tube ; a sampling gas path module ; a sample injection gas path module configured to introduce a sample carrier gas containing a sample collected by the sampling gas path module toward the ion mobility tube; and a gas chromatography apparatus capable of pre-separating the sample carrier gas, so as to form a pre-separated sample carrier gas; wherein the sample injection gas path module is further configured to be capable of switching between a first mode and a second mode, in the first mode, the sample injection gas path module introduces the sample carrier gas into the ion mobility tube; and in the second mode, the sample injection gas path module introduces the sample carrier gas into the gas chromatography apparatus to pre-separate the sample carrier gas, and the pre-separated sample carrier gas is introduced into the ion mobility tube.Type: ApplicationFiled: May 14, 2021Publication date: July 27, 2023Inventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Jianmin LI, Weiping ZHU, Qiufeng MA, Biao CAO, Lili YAN, Ge LI, Nei YANG
-
Patent number: 11400407Abstract: The present disclosure relates to a gas purification apparatus and a trace substance detection device. The gas purification apparatus includes a first purification component, a second purification component and a switching component, wherein the switching component can be switched between a first state and a second state, the first purification component and a component to be purified form a gas purification loop in the first state, and the second purification component can provide a regeneration gas for the first purification component in the second state, so that water vapor and impurities in the first purification component are discharged to outside.Type: GrantFiled: December 26, 2018Date of Patent: August 2, 2022Inventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Lili Yan, Ge Li, Qiufeng Ma, Nan Bai
-
Patent number: 11346808Abstract: The present disclosure provides a trace detection device. The trace detection device includes: a box body comprising a main body frame and a top plate, the top plate and the main body frame forming a fully enclosed cavity; an ion migration tube assembly in the cavity and on a first side of the cavity; and a preamplifier and high voltage circuit board in the cavity and on a second side of the cavity, the second side being opposite to the first side.Type: GrantFiled: July 21, 2020Date of Patent: May 31, 2022Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Jianmin Li, Yinong Liu, Yaohong Liu, Yanqin Zhao, Lili Yan, Biao Cao, Qiufeng Ma, Ge Li
-
Patent number: 11346807Abstract: There are provided an ion mobility spectrometer and a sniffer. The ion mobility spectrometer includes: an ion migration tube; a sampling gas path having a sampling device configured to temporarily store a sample gas collected by a sampling head in a sampling pipe; a sample introduction gas path having two ends in communication with the gas inlet and outlet of the ion migration tube respectively, and configured to introduce a carrier gas within the ion migration tube into the sampling pipe and to carry a sample gas temporarily stored in the sampling pipe into the ion migration tube; and a valve assembly configured to only allow gas to flow from the sampling device to the sampling pipe in a sampling state, and to only allow gas to flow from the ion migration tube through the sampling pipe back to the ion migration tube in a sample introduction state.Type: GrantFiled: June 12, 2019Date of Patent: May 31, 2022Assignee: Nuctech Company LimitedInventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Jianmin Li, Yinong Liu, Yaohong Liu, Lili Yan, Biao Cao, Weiping Zhu, Ge Li, Qiufeng Ma, Qi Mao, Nan Bai
-
Patent number: 11320407Abstract: The present disclosure discloses a gas chromatograph-ion mobility spectrometry combined equipment, including: a gas chromatograph device for pre-separating a to-be-detected sample to form a pre-separated sample; an ion mobility spectrometry device in fluid communication with an outlet of the gas chromatograph device for detecting the pre-separated sample; and a gas circulating device in fluid communication with a discharged gas interface of the ion mobility spectrometry device for processing a discharged gas from the ion mobility spectrometry device, wherein the gas circulating device is further in gas communication with the gas chromatograph device for conveying a part of the discharged gas to the gas chromatograph device to serve as a carrier gas, which drives the to-be-detected sample to enter the gas chromatograph device. The miniaturization and the portability of the gas chromatograph-ion mobility spectrometry combined equipment are improved.Type: GrantFiled: December 16, 2019Date of Patent: May 3, 2022Inventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Weiping Zhu, Yaohong Liu, Qiufeng Ma, Ge Li, Biao Cao, Lili Yan
-
Patent number: 11215626Abstract: The present disclosure provides a gate system for sample detection and a method of sample inspection, which relate to the field of detection and analysis technology. The gate system comprises: an accommodating apparatus configured to accommodate an inserted ticket to be detected; a wipe sampling apparatus including a wipe sampling belt which is configured to drive the ticket to be detected to move within the accommodating apparatus and to conduct a wipe sampling to the ticket; an inspiratory sampling apparatus configured to collect samples dropped from the wipe sampling apparatus; and a detection apparatus configured to detect the samples and output detection results. The gate system for sample detection and the method of sample inspection provided by the present disclosure have a wide range of applications and can perform rapid sampling and detection to those substances that are difficult to be volatilized.Type: GrantFiled: May 8, 2019Date of Patent: January 4, 2022Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITEDInventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Qiufeng Ma, Lili Yan, Weiping Zhu, Biao Cao
-
Publication number: 20210404988Abstract: There are provided an ion mobility spectrometer and a sniffer. The ion mobility spectrometer includes: an ion migration tube; a sampling gas path having a sampling device configured to temporarily store a sample gas collected by a sampling head in a sampling pipe; a sample introduction gas path having two ends in communication with the gas inlet and outlet of the ion migration tube respectively, and configured to introduce a carrier gas within the ion migration tube into the sampling pipe and to carry a sample gas temporarily stored in the sampling pipe into the ion migration tube; and a valve assembly configured to only allow gas to flow from the sampling device to the sampling pipe in a sampling state, and to only allow gas to flow from the ion migration tube through the sampling pipe back to the ion migration tube in a sample introduction state.Type: ApplicationFiled: June 12, 2019Publication date: December 30, 2021Applicant: NUCTECH COMPANY LIMITEDInventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Jianmin LI, Yinong LIU, Yaohong LIU, Lili YAN, Biao CAO, Weiping ZHU, Ge LI, Qiufeng MA, Qi MAO, Nan BAI
-
Patent number: 11193860Abstract: Embodiments of the present disclosure provide a gas purifying device and an ion migration spectrometer. The gas purifying device includes a first purificant vessel, a second purificant vessel and a valve communicated between the first purificant vessel and the second purificant vessel. The valve is configured to allow a gas flows from the second purificant vessel to the first purificant vessel in a first state and to permit the gas to flow from the first purificant vessel to the second purificant vessel in a second state.Type: GrantFiled: December 10, 2018Date of Patent: December 7, 2021Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Lili Yan, Ge Li, Qiufeng Ma
-
Publication number: 20210215582Abstract: Embodiments of the present disclosure provide a gas purifying device and an ion migration spectrometer. The gas purifying device includes a first purificant vessel, a second purificant vessel and a valve communicated between the first purificant vessel and the second purificant vessel. The valve is configured to allow a gas flows from the second purificant vessel to the first purificant vessel in a first state and to permit the gas to flow from the first purificant vessel to the second purificant vessel in a second state.Type: ApplicationFiled: December 10, 2018Publication date: July 15, 2021Inventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Ziran ZHAO, Yinong LIU, Yaohong LIU, Lili YAN, Ge LI, Qiufeng MA
-
Patent number: 11022581Abstract: Embodiments of the present disclosure provide an ion mobility spectrometer device. The ion mobility spectrometer device includes: an ion mobility tube, a sampling device, and a sampling and circulating gas path. The sampling device includes a solid sample desorption device and a gas sampling device. The solid sample desorption device is configured to process the solid sample into a first mixed gas containing the solid sample, and the gas sampling device is configured to process the gas sample into a second mixed gas containing the gas sample. The sampling and circulating gas path is configured to transfer the first mixed gas and/or the second mixed gas into the ion mobility tube for detection.Type: GrantFiled: December 26, 2019Date of Patent: June 1, 2021Assignees: NUCTECH COMPANY LIMITED, Tsinghua UniversityInventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Jianmin Li, Yaohong Liu, Weiping Zhu, Qiufeng Ma, Biao Cao, Ge Li, Wei Wang, Lili Yan, Guangqin Li
-
Publication number: 20210025849Abstract: The present disclosure provides a trace detection device. The trace detection device includes: a box body comprising a main body frame and a top plate, the top plate and the main body frame forming a fully enclosed cavity; an ion migration tube assembly in the cavity and on a first side of the cavity; and a preamplifier and high voltage circuit board in the cavity and on a second side of the cavity, the second side being opposite to the first side.Type: ApplicationFiled: July 21, 2020Publication date: January 28, 2021Applicants: NUCTECH COMPANY LIMTED, Tsinghua UniversityInventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Jianmin LI, Yinong LIU, Yaohong LIU, Yanqin ZHAO, Lili YAN, Biao CAO, Qiufeng MA, Ge LI
-
Patent number: 10827660Abstract: The present invention relates to a conductive compositions for low frequency EMI shielding. An EMI shielding composition according to the present invention comprises a resin comprising a thermoplastic resin and/or a thermoset resin, a solvent and/or a reactive diluent and particles, wherein said particles comprise a mixture of magnetic particles and electrically conductive particles or magnetic particles coated with electrically conductive material or a mixture of magnetic particles coated with electrically conductive material and electrically conductive particles and wherein, said composition comprises ?10% magnetic particles by weight, by total weight of the composition. The EMI shielding composition according to the present invention has good electrical and magnetic conductivity and is suitable as a drop-in solution for EMI shielding in a wide frequency range, and especially at low frequency ranges.Type: GrantFiled: April 27, 2018Date of Patent: November 3, 2020Assignees: Henkel IP & Holding GmbH, Henkel AG & Co. KGaAInventors: Chenyu Huang, Lily Yan, Qili Wu, Xiping He, Li Yao
-
Publication number: 20200240961Abstract: The present disclosure discloses a gas chromatograph-ion mobility spectrometry combined equipment, including: a gas chromatograph device for pre-separating a to-be-detected sample to form a pre-separated sample; an ion mobility spectrometry device in fluid communication with an outlet of the gas chromatograph device for detecting the pre-separated sample; and a gas circulating device in fluid communication with a discharged gas interface of the ion mobility spectrometry device for processing a discharged gas from the ion mobility spectrometry device, wherein the gas circulating device is further in gas communication with the gas chromatograph device for conveying a part of the discharged gas to the gas chromatograph device to serve as a carrier gas, which drives the to-be-detected sample to enter the gas chromatograph device. The miniaturization and the portability of the gas chromatograph-ion mobility spectrometry combined equipment are improved.Type: ApplicationFiled: December 16, 2019Publication date: July 30, 2020Inventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Weiping ZHU, Yaohong LIU, Qiufeng MA, Ge LI, Biao CAO, Lili YAN
-
Publication number: 20200209192Abstract: Embodiments of the present disclosure provide an ion mobility spectrometer device. The ion mobility spectrometer device includes: an ion mobility tube, a sampling device, and a sampling and circulating gas path. The sampling device includes a solid sample desorption device and a gas sampling device. The solid sample desorption device is configured to process the solid sample into a first mixed gas containing the solid sample, and the gas sampling device is configured to process the gas sample into a second mixed gas containing the gas sample. The sampling and circulating gas path is configured to transfer the first mixed gas and/or the second mixed gas into the ion mobility tube for detection.Type: ApplicationFiled: December 26, 2019Publication date: July 2, 2020Applicants: NUCTECH COMPANY LIMITED, Tsinghua UniversityInventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Jianmin LI, Yaohong LIU, Weiping ZHU, Qiufeng MA, Biao CAO, Ge LI, Wei WANG, Lili YAN, Guangqin LI
-
Patent number: 10626867Abstract: An electric compressor and a refrigeration device having the same are provided. The electric compressor includes: an electric motor having a stator and a rotor; a compressing mechanism having an eccentric shaft rotatably and slidably connected to the rotor and defining a compressing chamber therein, the compressing chamber being configured to perform a compression by the eccentric shaft; and a torque damping device configured to connect the rotor with the eccentric shaft, in which during the compression of the compressing chamber, a difference between a rotation angle of the eccentric shaft and a rotation angle of the rotor is a phase angle which is increased and decreased.Type: GrantFiled: February 2, 2015Date of Patent: April 21, 2020Assignee: GUANGDONG MEIZHI COMPRESSOR CO., LTD.Inventors: Masao Ozu, Jijiang Yu, Cheng Zhang, Hong Guo, Xingbiao Zhou, Liang Zhong, Lili Yan, Ling Wang
-
Patent number: 10605492Abstract: A refrigeration cycle device includes at least a condenser, an expansion valve, an evaporator and a plurality of compressors, a sealed casing of each of the compressors is disposed with a rotary compression mechanism part in communication with a low-pressure path and a motor part configured to drive the compression mechanism part, the low-pressure path is in communication with the evaporator, each of the compressors is further provided with an oil storage cavity, and a gas discharge path of at least one compressor is connected with the sealed casing of another compressor.Type: GrantFiled: June 16, 2015Date of Patent: March 31, 2020Assignee: Guangdong Meizhi Compressor Co., Ltd.Inventors: Masao Ozu, Weimin Xiang, Jijiang Yu, Hong Guo, Cheng Zhang, Ziqiang Liang, Ling Wang, Liang Zhong, Lili Yan
-
Patent number: D1080995Type: GrantFiled: November 28, 2024Date of Patent: June 24, 2025Inventor: Lili Yan