Patents by Inventor Rui Lei
Rui Lei 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: 20240159644Abstract: A method for determining lower radius limit of movable throat of shale is provided, and it includes: performing a low-temperature nitrogen adsorption test on a target shale to obtain first pore radii; performing a high-pressure mercury injection test on the target shale to obtain second pore radii; performing a nuclear magnetic resonance test on the target shale to obtain third pore radii; obtaining a relationship diagram of distribution frequencies and pore radii according to three pore radii; distinguishing, according to the pore radii, relationship diagram data, and performing normalization processing to determining a relationship curve of normalized frequency data and the pore radii; and determining a lower radius limit of movable throat of shale according to relationship curve. A problem of describing characteristics of shale occurrence space with complex pore structures and strong heterogeneity is solved, the method is suitable for determining lower radius limit of movable throat of shale.Type: ApplicationFiled: September 28, 2023Publication date: May 16, 2024Inventors: Yu Xiong, LingHong Wang, MeiHua Chen, TingTing Lei, MeiJuan Guo, HaiTao Hong, XiuQing Li, Rui Zhang
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Patent number: 11982609Abstract: A method for determining lower radius limit of movable throat of shale is provided, and it includes: performing a low-temperature nitrogen adsorption test on a target shale to obtain first pore radii; performing a high-pressure mercury injection test on the target shale to obtain second pore radii; performing a nuclear magnetic resonance test on the target shale to obtain third pore radii; obtaining a relationship diagram of distribution frequencies and pore radii according to three pore radii; distinguishing, according to the pore radii, relationship diagram data, and performing normalization processing to determining a relationship curve of normalized frequency data and the pore radii; and determining a lower radius limit of movable throat of shale according to relationship curve. A problem of describing characteristics of shale occurrence space with complex pore structures and strong heterogeneity is solved, the method is suitable for determining lower radius limit of movable throat of shale.Type: GrantFiled: September 28, 2023Date of Patent: May 14, 2024Assignee: Southwest Petroleum UniversityInventors: Yu Xiong, LingHong Wang, MeiHua Chen, TingTing Lei, MeiJuan Guo, HaiTao Hong, XiuQing Li, Rui Zhang
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Patent number: 11980433Abstract: Disclosed is an in-vivo micro-robot for nerve stretching, comprising a channel, and a movable part and a fixed part located at the channel. The movable part is disposed to be movable along the channel, the movable part sleeves the fixed part and is used for driving the fixed part to move along the channel, and the fixed part is connected to a nerve to be stretched. The in-vivo micro-robot is embedded into a patient's body through surgery, so that the extension of the nerve is accelerated and is regular and quantitative, thereby effectively solving the problems of small probability of nerve self-repair and long recovery period in traditional nerve bridging surgery.Type: GrantFiled: October 24, 2022Date of Patent: May 14, 2024Assignees: THE FIRST MEDICAL CENTER CHINESE PLA GENERAL HOSPITAL, Shandong UniversityInventors: Lihai Zhang, Rui Song, Ye Peng, Fuxin Du, Shuwei Zhang, Yanqiang Lei, Gongzi Zhang
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Patent number: 11976193Abstract: A method for detecting a thickness of bonded rubber of a carbon black in a natural rubber based for reinforcement performance is provided. An ultra-thin frozen microtome to prepare a sample, a tapping mode of the atomic force microscope is used, and when characterizes the carbon black and rubber composite material, the difference of imaging characteristics between morphological and phase diagrams is used, the characteristics of bonded rubber of carbon black reinforced composite material can be observed to obtain the thickness of bonded rubber, and then influence of bonded rubber on rubber performance and the reinforcement performance of the carbon black in the rubber are analyzed. The method has advantages of simple operation, no need for excessive sample processing, high detection efficiency, clear detection images and high detection accuracy, thereby having better applicability and providing a new method and idea for studying reinforcements of fillers.Type: GrantFiled: August 11, 2021Date of Patent: May 7, 2024Assignee: SICHUAN UNIVERSITY OF SCIENCE & ENGINEERINGInventors: Jian Chen, Zhiqiang Lei, Long Qing, Rui Li, Sha Liu, Lin Li
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Patent number: 11940991Abstract: An indication to remove one or more data in a time series database is received. A metadata index associated with the time series database is updated to indicate a soft removal of each data of the one or more data. A data hole index associated with the time series database is updated to indicate a data hole at a location of each data of the one or more data in the time series database. Responsive to an input/output rate for the time series database being below a threshold, the data hole of each data of the one or more data is optimized.Type: GrantFiled: March 22, 2021Date of Patent: March 26, 2024Assignee: International Business Machines CorporationInventors: Huai Long Zhang, Peng Hui Jiang, Jin Shan Li, Rui Liu, Ming Lei Zhang
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Patent number: 11909168Abstract: The present invention relates to the technical field of optical communications, and relates to an optical amplification method and an amplifier, and in particular, to a self-adaptive wave band amplification method and an amplifier. The present invention consists of a master amplifying unit and a slave amplifying unit, and can autonomously detect the service signal wave band range of an optical transmission line, and according to the detection result, the two amplifying units do not need to perform scheduling or configuration from the level of network management, and perform direct interaction and action from the bottom layer to implement self-adaptive on, off and adjustment in real time. On one hand, power consumption is reduced, and energy is saved; and on the other hand, the performance is optimized, and an optimal optical amplification index is obtained.Type: GrantFiled: December 25, 2017Date of Patent: February 20, 2024Assignee: Accelink Technologies Co., Ltd.Inventors: Zhenyu Yu, Qinlian Bu, Chengpeng Fu, Xiao Cai, Fuxing Deng, Rui Lei
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Patent number: 11495936Abstract: An optical amplifier assembly and a detection method capable of dynamically performing optical time-domain reflection detection. The detection method comprises obtaining signal light intensity detection signals from a first and second photodetectors and sending a control signal to an L-band Raman pump when the signal light intensity in the second photodetector is lower than a first preset threshold, so that the L-band Raman pump enters into an optical time-domain reflection detection mode; sending a control signal to the L-band Raman pump when the signal light intensity in the second photodetector is greater than or equal the first preset threshold, so that the L-band Raman pump enters into an L-Band Raman optical fiber amplifier operation mode.Type: GrantFiled: December 25, 2017Date of Patent: November 8, 2022Inventors: Zhenyu Yu, Qinlian Bu, Chengpeng Fu, Zhijun Ye, Fei Liu, Fuxing Deng, Rui Lei, Xiao Cai
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Patent number: 11465188Abstract: A robot for straightening double thin-wall section pipe with undesirably shaped cavities, includes two racks, a positioning component, a shaping component and a driving component. In operation, the double thin-wall section pipe is put in the positioning component, and the shaping component is used for shaping the pipe by the driving of the driving component. The robot improves the working efficiency, and is not only compact in structure design, stable in movement, precise in positioning and reliable in locking, but also convenient for disassembly and maintenance.Type: GrantFiled: June 16, 2020Date of Patent: October 11, 2022Assignee: HEFEI UNIVERSITY OF TECHNOLOGYInventors: Hua Zhai, Yucheng Wu, Huaihao Song, Rui Lei, Shenglong Wang, Wenchao Shi
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Publication number: 20210021096Abstract: The present invention relates to the technical field of optical communications, and relates to an optical amplification method and an amplifier, and in particular, to a self-adaptive wave band amplification method and an amplifier. The present invention consists of a master amplifying unit and a slave amplifying unit, and can autonomously detect the service signal wave band range of an optical transmission line, and according to the detection result, the two amplifying units do not need to perform scheduling or configuration from the level of network management, and perform direct interaction and action from the bottom layer to implement self-adaptive on, off and adjustment in real time. On one hand, power consumption is reduced, and energy is saved; and on the other hand, the performance is optimized, and an optimal optical amplification index is obtained.Type: ApplicationFiled: December 25, 2017Publication date: January 21, 2021Applicant: Accelink Technologies Co., Ltd.Inventors: Zhenyu Yu, Qinlian Bu, Chengpeng Fu, Xiao Cai, Fuxing Deng, Rui Lei
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Publication number: 20200406326Abstract: A robot for straightening double thin-wall section pipe with multi-cavity special-shaped, includes two racks, a positioning component, a shaping component and a driving component. The double thin-wall section pipe is located in the positioning component, and the shaping component is used for shaping the pipe by the driving of the driving component. The robot improves the working efficiency, and is not only compact in structure design, stable in movement, precise in positioning and reliable in locking, but also convenient for disassembly and maintenance.Type: ApplicationFiled: June 16, 2020Publication date: December 31, 2020Inventors: Hua Zhai, Yucheng Wu, Huaihao Song, Rui Lei, Shenglong Wang, Wenchao Shi
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Publication number: 20200220316Abstract: An optical amplifier assembly and a detection method capable of dynamically performing optical time-domain reflection detection. The detection method comprises obtaining signal light intensity detection signals from a first and second photodetectors and sending a control signal to an L-band Raman pump when it is determined that the signal light intensity in the second photodetector is lower than a first preset threshold, so that the L-band Raman pump enters into an optical time-domain reflection detection mode; sending a control signal to the L-band Raman pump when the signal light intensity in the second photodetector is greater than or equal the first preset threshold, so that the L-band Raman pump enters into an L-Band Raman optical fiber amplifier operation mode.Type: ApplicationFiled: December 25, 2017Publication date: July 9, 2020Applicant: Accelink Technologies Co., Ltd.Inventors: Zhenyu Yu, Qinlian Bu, Chengpeng Fu, Zhijun Ye, Fei Liu, Fuxing Deng, Rui Lei, Xiao Cai
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Patent number: 10673356Abstract: A nanofriction power generation device with spiral vibrating balls and a buoy body thereof-includes an inner spiral barrel, an outer spiral barrel sleeved outside the inner spiral barrel, hollow balls between the two spiral barrels, an electric energy storage device contained in the inner spiral barrel, and a buoy barrel for containing the outer spiral barrel. The outer wall of the inner spiral barrel and the inner wall of the outer spiral barrel are respectively provided with first spiral tracks and second spiral tracks extending from one end to the opposite other end. The inner spiral barrel is in the outer spiral barrel, and the first spiral tracks and the second spiral tracks have a one-to-one correspondence and form spiral channels. Nanofriction electric generator films are attached to an outer surface of each hollow ball and an inner wall of each spiral channel.Type: GrantFiled: July 5, 2017Date of Patent: June 2, 2020Assignee: HEFEI UNIVERSITY OF TECHNOLOGYInventors: Hua Zhai, Rui Lei, Zhanyong Hong, Yucheng Wu, Tao Jiang, Xiangyu Chen, Jianwen Yan
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Publication number: 20190280908Abstract: A baseband unit may be arranged to serve a plurality of remotely located network devices. Network devices are connected to the baseband unit using a fronthaul network. The disclosed network device separates signals belonging to different users before quantizing and transmits the quantized separated signals to the baseband unit. The baseband unit may monitor the quality of the link of the fronthaul network and determine the number of bits used for quantizing.Type: ApplicationFiled: May 23, 2019Publication date: September 12, 2019Inventors: Tao CAI, Kari Juhani LEPPANEN, Alister Graham BURR, Rui LEI
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Publication number: 20190238068Abstract: A nanofriction power generation device with spiral vibrating balls and a buoy body thereof-includes an inner spiral barrel, an outer spiral barrel sleeved outside the inner spiral barrel, hollow balls between the two spiral barrels, an electric energy storage device contained in the inner spiral barrel, and a buoy barrel for containing the outer spiral barrel. The outer wall of the inner spiral barrel and the inner wall of the outer spiral barrel are repectively provided with first spiral tracks and second spiral tracks extending from one end to the opposite other end. The inner spiral barrel is in the outer spiral barrel, and the first spiral tracks and the second spiral tracks have a one-to-one correspondence and form spiral channels. Nanofriction electric generator films are attached to an outer surface of each hollow ball and an inner wall of each spiral channel.Type: ApplicationFiled: July 5, 2017Publication date: August 1, 2019Applicant: HEFEI UNIVERSITY OF TECHNOLOGYInventors: Hua ZHAI, Rui LEI, Zhanyong HONG, Yucheng WU, Tao JIANG, Xiangyu CHEN, Jianwen YAN
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Publication number: 20130285478Abstract: The present invention provides a safety pin which includes a cylinder having a first and second interfaces. A piston is moveably disposed within the cylinder to divide the cylinder into the first and second chambers. A safety pin is securely attached to the piston. A compressed air supplying device supplies the compressed air to the first and second chambers selectively. The safety made accordance with the present invention is securely attached to the piston which divides the cylinder into the first and second chambers. When the compressed air is injected into the first and second chambers selectively, the safety pin is extended or retracted so as to realize the lockup and unlock of the equipment eliminating human error resulted from negligence.Type: ApplicationFiled: May 4, 2012Publication date: October 31, 2013Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.Inventors: Zhenhua Guo, Chunhao Wu, Kunhsien Lin, Yunshao Jiang, Yongqiang Wang, Xiande Li, Weibing Yang, Minghu Qi, Zenghong Chen, Rui Lei