Patents by Inventor Wenzhe Li
Wenzhe Li 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: 20240106235Abstract: A high anti-interference microsystem based on System In Package (SIP) for a power grid is provided. The high anti-interference microsystem comprises a ceramic cavity, a ceramic substrate, a magnetic cover plate, a digital signal processing circuit, an analog signal conditioning circuit and a shield, wherein the ceramic cavity supports the ceramic substrate, the magnetic cover plate is in sealed contact with the ceramic cavity, and the ceramic substrate is arranged in a cavity formed by the ceramic cavity and the magnetic cover plate; a sealed shell of the microsystem based on SIP is composed of the magnetic cover plate and the ceramic cavity; the digital signal processing circuit and the analog signal conditioning circuit are arranged on the ceramic substrate and respectively process received signals to be processed; the shield covers an outer side of the sealed shell and is used for shielding external magnetic field interference.Type: ApplicationFiled: August 2, 2023Publication date: March 28, 2024Applicant: Electric Power Research Institute of State Grid Zhejiang Electric Power Co., LTDInventors: Xianjun SHAO, Xiaoxin CHEN, Yiming ZHENG, Chen LI, Jianjun WANG, Ping QIAN, Hua XU, Shaoan WANG, Shaohe WANG, Haibao MU, Huibin TAO, Lin ZHAO, Wenzhe ZHENG, Dun QIAN
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Publication number: 20240097617Abstract: A method for installing a maximum power point tracking (MPPT) controller is provided. The method includes acquiring an occlusion area proportion of a photovoltaic string in a photovoltaic system, optimizing the occlusion area proportion to generate a target occlusion area proportion, determining a target position from the photovoltaic string according to the target occlusion area proportion, and installing the MPPT controller at the target position.Type: ApplicationFiled: June 23, 2022Publication date: March 21, 2024Inventors: Lizhen Luo, Wenbo Peng, Ping Xiao, Dongming Zhao, Xiaolei Li, Xiangrui Yu, Wenzhe Zhu, Hu Gao
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Publication number: 20240043736Abstract: The present disclosure relates to the technical field of oilfield chemistry, and discloses an anti-sloughing drilling fluid and a use thereof.Type: ApplicationFiled: February 27, 2023Publication date: February 8, 2024Applicant: Southwest Petroleum UniversityInventors: Yang BAI, Daoxiong LI, Ren WANG, Gang XIE, Danchao HUANG, Wenzhe LI, Feng DAI, Jintang WANG, Jing ZHANG, Jinsheng SUN
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Publication number: 20240043735Abstract: A nanographene, a preparation method thereof, and uses thereof are disclosed. The method of preparing the nanographene includes the steps: (1) carrying out a first reaction by contacting a raw material graphite and a first oxidizing agent with an intercalating agent to obtain a modified graphite; (2) performing a second reaction by contacting the modified graphite and an acid with a second oxidizing agent to obtain a graphene pre-product; and (3) subjecting the graphene pre-product to an air-flow exfoliation to prepare a nanographene. An oil-based drilling fluid containing the nanographene produced by the method is also disclosed.Type: ApplicationFiled: February 27, 2023Publication date: February 8, 2024Applicant: Southwest Petroleum UniversityInventors: Yang BAI, Daoxiong Li, Ren Wang, Gang Xie, Danchao Huang, Wenzhe Li, Feng Dai, Jintang Wang, Jing Zhang, Jinsheng Sun
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Patent number: 11873444Abstract: A nanographene, a preparation method thereof, and uses thereof are disclosed. The method of preparing the nanographene includes the steps: (1) carrying out a first reaction by contacting a raw material graphite and a first oxidizing agent with an intercalating agent to obtain a modified graphite; (2) performing a second reaction by contacting the modified graphite and an acid with a second oxidizing agent to obtain a graphene pre-product; and (3) subjecting the graphene pre-product to an air-flow exfoliation to prepare a nanographene. An oil-based drilling fluid containing the nanographene produced by the method is also disclosed.Type: GrantFiled: February 27, 2023Date of Patent: January 16, 2024Assignee: Southwest Petroleum UniversityInventors: Yang Bai, Daoxiong Li, Ren Wang, Gang Xie, Danchao Huang, Wenzhe Li, Feng Dai, Jintang Wang, Jing Zhang, Jinsheng Sun
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Publication number: 20230250894Abstract: A gas pressure balance valve includes a valve body, a one-way valve and a buffer assembly. The valve body includes a gas inlet end and a gas outlet end, the gas inlet end is connected with a first gas pressure area, the gas outlet end is connected with a second gas pressure area, and a pressure difference is existed between the first gas pressure area and the second gas pressure area. The one-way valve is located in the valve body, and configured to achieve the balance between the pressures of the first gas pressure area and the second gas pressure area. The buffer assembly is located between the gas inlet end and the one-way valve, and configured to adjust the pressure on the surface of the one-way valve.Type: ApplicationFiled: June 23, 2022Publication date: August 10, 2023Applicant: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventors: Wenzhe LI, Wenbo ZHANG
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Patent number: 11542425Abstract: The present disclosure a leak-proof lost-circulation control water-based drilling fluid composition and preparation method and use thereof.Type: GrantFiled: April 22, 2022Date of Patent: January 3, 2023Assignee: Southwest Petroleum UniversityInventors: Yang Bai, Lingfeng Wu, Jing Zhang, Wenzhe Li, Pingya Luo, Feng Dai, Jingping Liu, Ren Wang, Daoxiong Li, Wen Xu
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Patent number: 11525079Abstract: A preparation method of a fully adaptive modified nanographene plugging type anti-collapse drilling fluid is disclosed. A modified nanographene slurry anti-collapse agent and a water-based drilling fluid containing the modified nanographene slurry anti-collapse agent are disclosed. The preparation method includes subjecting a nanographene and a mixed acid to a first contact to obtain a mixed liquid, dropwise adding potassium chlorate into the mixed liquid under the condition of ice-bath pan to carry out a modification treatment, so as to obtain a modified nanographene, and subjecting the modified nanographene to a second contact with water to prepare a modified nanographene slurry.Type: GrantFiled: February 18, 2022Date of Patent: December 13, 2022Assignee: Southwest Petroleum UniversityInventors: Yang Bai, Dezhi Liu, Jing Zhang, Pingya Luo, Gang Xie, Feng Dai, Wenzhe Li
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Publication number: 20220390810Abstract: This system and method of for providing a tunable orbital angular momentum system for providing higher order Bessel beams comprising: an acousto-optical deflector configured to receive an input beam, deflect a first portion of the input beam a first deflection angle relative to an axis of propagation and along an optical axis and deflect a second portion of the input beam a second deflection angle relative to the optical axis; a line generator disposed along the optical angle for receiving the first portion and the second portion of the input beam and provide an elliptical Gaussian mean; a log-polar optics assembly disposed along the optical angle for receiving the elliptical Gaussian beam and wrapping the elliptical Gaussian beam with an asymmetric ring; and, a Fourier lens configured to receive the wrapped elliptical Gaussian beam.Type: ApplicationFiled: June 13, 2022Publication date: December 8, 2022Applicant: Clemson UniversityInventors: Eric G. Johnson, Jerome Keith Miller, Richard Watkins, Kaitlyn Morgan, Wenzhe Li, Yuan Li
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Patent number: 11485896Abstract: An oil-based drilling fluid composition, includes a base fluid and a treating agent. The base fluid comprises a base oil and an inhibitor; the treating agent comprises an organic soil, a main emulsifier, an auxiliary emulsifier, a plugging agent, a weighting agent, a humectant, an alkaline regulator and a filtrate reducer. 5-25 parts by weight of the inhibitor, 5-12 parts by weight of the organic soil, 1-6 parts by weight of the main emulsifier, 2-8 parts by weight of the auxiliary emulsifier, 3-18 parts by weight of the plugging agent, 5-30 parts by weight of the weighting agent, 2-6 parts by weight of the humectant, 2-7 parts by weight of the alkaline regulator and 2-10 parts by weight of the filtrate reducer are used, based on 100 parts by weight of base oil.Type: GrantFiled: October 26, 2021Date of Patent: November 1, 2022Assignee: Southwest Petroleum UniversityInventors: Yang Bai, Daoxiong Li, Pingya Luo, Wen Xu, Wenzhe Li, Lingfeng Wu, Haibo Liang, Dezhi Liu, Jing Zhang
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Patent number: 11453814Abstract: The present disclosure a pressure-bearing plugging agent, comprises a core, a first coating layer and a second coating layer which are sequentially coated on an outer surface of the core, wherein the core is made of a water-absorbing swellable material, the first coating layer is a paraffin layer, and the second coating layer is obtained by cementing the rigid particles with an adhesive.Type: GrantFiled: October 19, 2021Date of Patent: September 27, 2022Assignee: Southwest Petroleum UniversityInventors: Yang Bai, Lingfeng Wu, Pingya Luo, Haibo Liang, Wen Xu, Wenzhe Li, Feng Dai, Guancheng Jiang, Gang Xie, Jiading Deng
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Publication number: 20220290032Abstract: The present disclosure discloses an oil-based drilling fluid composition, including a base fluid and a treating agent, wherein the base fluid comprises a base oil and an inhibitor; the treating agent comprises an organic soil, a main emulsifier, an auxiliary emulsifier, a plugging agent, a weighting agent, a humectant, an alkaline regulator and a filtrate reducer; wherein 5-25 parts by weight of the inhibitor, 5-12 parts by weight of the organic soil, 1-6 parts by weight of the main emulsifier, 2-8 parts by weight of the auxiliary emulsifier, 3-18 parts by weight of the plugging agent, 5-30 parts by weight of the weighting agent, 2-6 parts by weight of the humectant, 2-7 parts by weight of the alkaline regulator and 2-10 parts by weight of the filtrate reducer are used, based on 100 parts by weight of base oil.Type: ApplicationFiled: October 26, 2021Publication date: September 15, 2022Applicant: Southwest Petroleum UniversityInventors: Yang BAI, Daoxiong LI, Pingya LUO, Wen XU, Wenzhe LI, Lingfeng WU, Haibo LIANG, Dezhi LIU, Jing ZHANG
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Publication number: 20220267662Abstract: The present disclosure a pressure-bearing plugging agent, comprises a core, a first coating layer and a second coating layer which are sequentially coated on an outer surface of the core, wherein the core is made of a water-absorbing swellable material, the first coating layer is a paraffin layer, and the second coating layer is obtained by cementing the rigid particles with an adhesive.Type: ApplicationFiled: October 19, 2021Publication date: August 25, 2022Applicant: Southwest Petroleum UniversityInventors: Yang BAI, Lingfeng WU, Pingya LUO, Haibo LIANG, Wen XU, Wenzhe LI, Feng DAI, Guancheng JIANG, Gang XIE, Jiading DENG
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Patent number: 11402722Abstract: This system and method of for providing a tunable orbital angular momentum system for providing higher order Bessel beams comprising: an acousto-optical deflector configured to receive an input beam, deflect a first portion of the input beam a first deflection angle relative to an axis of propagation and along an optical axis and deflect a second portion of the input beam a second deflection angle relative to the optical axis; a line generator disposed along the optical angle for receiving the first portion and the second portion of the input beam and provide an elliptical Gaussian mean; a log-polar optics assembly disposed along the optical angle for receiving the elliptical Gaussian beam and wrapping the elliptical Gaussian beam with an asymmetric ring; and, a Fourier lens configured to receive the wrapped elliptical Gaussian beam.Type: GrantFiled: December 23, 2019Date of Patent: August 2, 2022Assignee: Clemson Univeristy Research FoundationInventors: Eric Johnson, Jerome Keith Miller, Richard Watkins, Kaitlyn Morgan, Wenzhe Li, Yuan Li
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Patent number: 11345841Abstract: A fiber silica composite microsphere for a shale stratum comprises a hollow silica sphere and fibers, and the fibers are partially coated on an outer surface of the hollow silica sphere and partially embedded into an interior of the hollow silica sphere. The hollow silica sphere has an outer diameter of 1-5 ?m and an inner diameter of 0.8-4.7 ?m; the fibers have a length of 5-10 ?m and a width of 1-3 ?m.Type: GrantFiled: October 19, 2021Date of Patent: May 31, 2022Assignee: Southwest Petroleum UniversityInventors: Yang Bai, Lingfeng Wu, Pingya Luo, Wenzhe Li, Feng Dai, Gang Xie, Haibo Liang, Kesheng Rong, Jiading Deng
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Patent number: 11334668Abstract: A method and a device for securing a cache against side channel attacks are provided. An allocator identifier ALLOCATOR field is added to each cache entry in the present disclosure. Whenever an entry is allocated in the cache, the identifier of the software domain currently running on the processor is filled into the ALLOCATOR field of the allocation entry. When accessing the cache, the cache entry can be hit only if the identifier of the software domain currently running on the processor is identical to the ALLOCATOR field in the cache entry. If the cache entry to be replaced is invalid or its ALLOCATOR field is identical to the identifier of the software domain currently running on the processor, then the existing entry in the cache is replaced directly; otherwise, the entire cache is emptied.Type: GrantFiled: December 30, 2018Date of Patent: May 17, 2022Assignee: PHYTIUM TECHNOLOGY CO., LTD.Inventors: Qiang Dou, Tianlei Zhao, Chengyi Zhang, Jun Gao, Hongbo Xue, Xiaoyan Liu, Wenzhe Li, Yujiao Wang, Jiahong Yuan, Longpeng Sun, Shuijingtao Li, Zhe Ding, Xiaofeng Wang, Xiaodao Wang, Wenhui Cao, Shuaike Zheng, Boqing You, Yuan Yuan, Xiaoli Zou
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Publication number: 20200242243Abstract: A method and a device for securing a cache against side channel attacks are provided. An allocator identifier ALLOCATOR field is added to each cache entry in the present disclosure. Whenever an entry is allocated in the cache, the identifier of the software domain currently running on the processor is filled into the ALLOCATOR field of the allocation entry. When accessing the cache, the cache entry can be hit only if the identifier of the software domain currently running on the processor is identical to the ALLOCATOR field in the cache entry. If the cache entry to be replaced is invalid or its ALLOCATOR field is identical to the identifier of the software domain currently running on the processor, then the existing entry in the cache is replaced directly; otherwise, the entire cache is emptied.Type: ApplicationFiled: December 30, 2018Publication date: July 30, 2020Applicant: PHYTIUM TECHNOLOGY CO.,LTD.Inventors: Qiang DOU, Tianlei ZHAO, Chengyi ZHANG, Jun GAO, Hongbo XUE, Xiaoyan LIU, Wenzhe LI, Yujiao WANG, Jiahong YUAN, Longpeng SUN, Shuijingtao LI, Zhe DING, Xiaofeng WANG, Xiaodao WANG, Wenhui CAO, Shuaike ZHENG, Boqing YOU, Yuan YUAN, Xiaoli ZOU
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Publication number: 20200201136Abstract: This system and method of for providing a tunable orbital angular momentum system for providing higher order Bessel beams comprising: an acousto-optical deflector configured to receive an input beam, deflect a first portion of the input beam a first deflection angle relative to an axis of propagation and along an optical axis and deflect a second portion of the input beam a second deflection angle relative to the optical axis; a line generator disposed along the optical angle for receiving the first portion and the second portion of the input beam and provide an elliptical Gaussian mean; a log-polar optics assembly disposed along the optical angle for receiving the elliptical Gaussian beam and wrapping the elliptical Gaussian beam with an asymmetric ring; and, a Fourier lens configured to receive the wrapped elliptical Gaussian beam.Type: ApplicationFiled: December 23, 2019Publication date: June 25, 2020Applicant: Clemson University Research FoundationInventors: Eric G. Johnson, Jerome Keith Miller, Richard Watkins, Kaitlyn Morgan, Wenzhe Li, Yuan Li
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Publication number: 20190047702Abstract: An aerial vehicle comprises: an electric power supply device, a motive power device, and a protective device disposed in an aerial vehicle body. The electric power supply device is configured to supply electric power to the motive power device or the protective device. The protective device is configured to reduce an exerted force between the aerial vehicle and another object when the aerial vehicle collides with the another object.Type: ApplicationFiled: August 9, 2018Publication date: February 14, 2019Inventors: SHAOHUA CHEN, ANZHAI PENG, YANG GAO, YONG WANG, WENZHE LI, KEYU WU
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Patent number: 9146219Abstract: The present invention provides methods for determining the amount of cis-diol containing compounds in a biological samples using mass spectrometry, particularly catecholamines (dopamine, epinephrine, norepinephrine) in a plasma sample. After a sample is mixed with an internal standard, extracted with a two-step liquid-liquid extraction process utilizing phenylboronic acid chemistry, and then derivatized with a benzoyl chloride-like agent, relevant moieties are then separated chromatographically and detected by MS/MS whereby specific ion transitions are monitored. This invention has several clinical utilities, particularly those related to measuring plasma catecholamines in patients.Type: GrantFiled: January 26, 2015Date of Patent: September 29, 2015Inventors: Bingfang Yue, Shuguang Li, Wenzhe Li