Patents by Inventor Zhenwei Liu
Zhenwei Liu 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: 11957680Abstract: Described herein are compounds that activate pyruvate kinase R, pharmaceutical compositions and methods of use thereof. These compounds are represented by Formula (I): wherein R1, R2, L1, and L2 are as defined herein.Type: GrantFiled: May 16, 2022Date of Patent: April 16, 2024Assignee: Agios Pharmaceuticals, Inc.Inventors: Giovanni Cianchetta, Tao Liu, Anil Kumar Padyana, Zhihua Sui, Zhenwei Cai, Dawei Cui, Jingjing Ji
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Publication number: 20240115713Abstract: Disclosed are a polyethylene glycol conjugate drug, and a preparation method therefor and the use thereof. Specifically, the present invention relates to a polyethylene glycol conjugate drug represented by formula A or a pharmaceutically acceptable salt thereof, a method for preparing the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, an intermediate for preparing the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof, and the use of the polyethylene glycol conjugate drug or the pharmaceutically acceptable salt thereof in the preparation of a drug.Type: ApplicationFiled: July 21, 2021Publication date: April 11, 2024Inventors: Gaoquan LI, Nian LIU, Yongchen PENG, Xiafan ZENG, Gang MEI, Sheng GUAN, Yang GAO, Shuai YANG, Yifeng YIN, Jie LOU, Huiyu CHEN, Kun QIAN, Yusong WEI, Qian ZHANG, Dajun LI, Xiaoling DING, Xiangwei YANG, Liqun HUANG, Xi LIU, Liwei LIU, Zhenwei LI, Kaixiong HU, Hua LIU, Tao TU
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Publication number: 20240084203Abstract: A heat recovery apparatus and process for cracked gas are provided. The cracked gas comprises liquid feedstock cracked gas and gaseous feedstock cracked gas, and the apparatus comprises a heat recovery device for liquid feedstock cracked gas, a heat recovery device for gaseous feedstock cracked gas and a heavy component removal unit. The invention solves the problems in the art, i.e., incomplete heat recovery technology for cracked gas, insufficient control of viscosity of quench oil, high capital investment and large footprint of the equipment, as well as unstable operation and high energy consumption.Type: ApplicationFiled: January 27, 2022Publication date: March 14, 2024Inventors: Zhenwei WANG, Liqing YANG, Bairen ZHAO, Mingrui ZHAO, Gang LIU
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Publication number: 20230238816Abstract: A battery charging method includes during charging of a battery, upon determining that a state of charge (SOC) of the battery reaches an SOC range, adjusting, within a range from a minimum boundary value of the SOC range to a set SOC, a charge rate of the battery from a first charge rate down to a second charge rate; and adjusting, within a range from the set SOC to a maximum boundary value of the first SOC range, the charge rate of the battery from the second charge rate up to the first charge rate or a third charge rate.Type: ApplicationFiled: April 3, 2023Publication date: July 27, 2023Inventors: Qinglin XIAO, Yichen WU, Zhenwei LIU, Limei YANG, Xiaomei LIU
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Publication number: 20210285069Abstract: The present application relates to a steel for grade R6 offshore mooring chain for use in anchoring and mooring floating bodies with cathodic protection: the chemical composition are C 0.18˜0.24%, N 0.006˜0.024, P 0.005˜0.025, S?0.005, Si 0.15˜0.35, Mn 0.20˜0.40, Cr 1.40˜2.60, Ni 0.80˜3.20, Mo 0.35˜0.75, Cu?0.50, Al?0.02, Ti?0.005, V 0.04˜0.12, Nb 0.02˜0.05, Ca 0.0005˜0.004, O?0.0015, H?0.00015, the balance is Fe: the total content of alloy ?M=(Si+Mn+Cr+Ni+Mo+Cu), 3.4<?M?6.8; the total content of microalloy ?MM=(Ti+Al+Nb+V), 0.065??MM?0.194. The corrosion potential is adjusted to prevent hydrogen embrittlement caused by cathodic overprotection on the basic premise of maintaining the strength, toughness and low corrosion rate of the steel.Type: ApplicationFiled: May 16, 2019Publication date: September 16, 2021Applicant: JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTDInventors: Jiang YIN, Xuejun BAO, Zhenwei LIU, Yun BAI, Xiaohong XU, Ming ZHANG, Haidong FAN, Yao LI, Hongli LI, De CHEN, Guorong ZHU, Guoren HU, Tiehua YAO, Qiuhao GU, Yong CUI, Erxin HUANG, Xuewen LIU, LI Liangliang
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Reactive power optimization system and method of power grid based on the double-fish-swarm algorithm
Patent number: 10439398Abstract: The invention provides a reactive power optimization system and a method of a power grid based on a double-fish-swarm algorithm. The system includes a power grid state data acquiring module, a reactive power regulating module and a reactive power executing module. The power grid state data acquiring module includes a power grid state data acquiring processor and a relay transmitter. The reactive power regulating module is a control terminal. The reactive power executing module includes generator terminal voltage regulators, transformer tap regulators and reactive power compensation regulators. The method is used for acquiring the initial data to be optimized in the current network; and optimizing the initial data to be optimized in the current network based on a double-fish-swarm algorithm so as to obtain optimal value of control variables in the power grid. According to the method, the distribution network to be optimized can realize reasonable reactive power flow distribution.Type: GrantFiled: June 16, 2017Date of Patent: October 8, 2019Assignee: NORTHEASTERN UNIVERSITYInventors: Huaguang Zhang, Jun Yang, Qiuye Sun, Feiye Wu, Xinrui Liu, Dongsheng Yang, Zhiliang Wang, Jian Feng, Bonan Huang, Yanhong Luo, Guotao Hui, Zhenwei Liu -
REACTIVE POWER OPTIMIZATION SYSTEM AND METHOD OF POWER GRID BASED ON THE DOUBLE-FISH-SWARM ALGORITHM
Publication number: 20180309294Abstract: The invention provides a reactive power optimization system and a method of a power grid based on a double-fish-swarm algorithm. The system includes a power grid state data acquiring module, a reactive power regulating module and a reactive power executing module. The power grid state data acquiring module includes a power grid state data acquisitor and a relay transmitter. The reactive power regulating module is a control terminal. The reactive power executing module includes generator terminal voltage regulators, transformer tap regulators and reactive power compensation regulators. The method is used for acquiring the initial data to be optimized in the current network; and optimizing the initial data to be optimized in the current network based on a double-fish-swam algorithm so as to obtain optimal value of control variables in the power grid. According to the method, the distribution network to be optimized can realize reasonable reactive power flow distribution.Type: ApplicationFiled: June 16, 2017Publication date: October 25, 2018Applicant: Northeastern UniversityInventors: Huaguang ZHANG, Jun YANG, Qiuye SUN, Feiye WU, Xinrui LIU, Dongsheng YANG, Zhiliang WANG, Jian FENG, Bonan HUANG, Yanhong LUO, Guotao HUI, Zhenwei LIU -
Patent number: 9618914Abstract: The present invention relates to an energy resource-grid-load automatic control system of smart microgrid and control methods thereof, which belong to the field of microgrid control and electrical technology. The energy resource-grid-load automatic control system includes a distributed renewable energy power generation module, a distributed renewable energy inverter module, a conventional power generation module, a user load module, a bidirectional grid-connected control module, a distributed renewable energy intelligent optimizing power generation control module, an energy storage module, an intelligent energy storage unit adjuster and a storage battery pack.Type: GrantFiled: March 25, 2014Date of Patent: April 11, 2017Assignee: Northeastern UniversityInventors: HuaGuang Zhang, QiuYe Sun, Jun Yang, XinRui Liu, ZhiLiang Wang, Fei Teng, Jing Guo, ZhanShan Wang, ZhenWei Liu, YingChun Wang
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Patent number: 9564754Abstract: The present invention relates to an energy router for an energy internet, which comprises a three-phase three-level bi-directional rectifying unit, a six-phase interleaved DC/DC bi-directional conversion unit, a self-excitation soft start push-pull full-bridge DC/DC bi-directional conversion unit, a three-phase resonant soft switching bi-directional inversion unit, a single-phase full-bridge bi-directional inversion unit, a high-voltage DC bus and a low-voltage DC bus. The three-phase three-level bi-directional rectifying unit, the six-phase interleaved DC/DC bi-directional conversion unit, the self-excitation soft start push-pull full-bridge DC/DC bi-directional conversion unit, the three-phase resonant soft switching bi-directional inversion unit and the single-phase full-bridge bi-directional inversion unit each have three energy flow operating modes: a forward conduction, a reverse conduction and a non-conduction.Type: GrantFiled: May 20, 2015Date of Patent: February 7, 2017Assignee: NORTHEASTERN UNIVERSITYInventors: Qiuye Sun, Huaguang Zhang, Dazhong Ma, Bonan Huang, Lei Chen, Heng Du, Zhenwei Liu, Fei Teng, Guotao Hui
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Publication number: 20160241137Abstract: The present invention relates to an energy router for an energy internet, which comprises a three-phase three-level bi-directional rectifying unit, a six-phase interleaved DC/DC bi-directional conversion unit, a self-excitation soft start push-pull full-bridge DC/DC bi-directional conversion unit, a three-phase resonant soft switching bi-directional inversion unit, a single-phase full-bridge bi-directional inversion unit, a high-voltage DC bus and a low-voltage DC bus. The three-phase three-level bi-directional rectifying unit, the six-phase interleaved DC/DC bi-directional conversion unit, the self-excitation soft start push-pull full-bridge DC/DC bi-directional conversion unit, the three-phase resonant soft switching bi-directional inversion unit and the single-phase full-bridge bi-directional inversion unit each have three energy flow operating modes: a forward conduction, a reverse conduction and a non-conduction.Type: ApplicationFiled: May 20, 2015Publication date: August 18, 2016Inventors: Qiuye SUN, Huaguang ZHANG, Dazhong MA, Bonan HUANG, Lei CHEN, Heng DU, Zhenwei LIU, Fei TENG, Guotao HUI
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Patent number: 9003530Abstract: Embodiments of the present invention provide an information processing method, device, and server, relating to the technical field of communications, and solving the problem that a user continuously releasing illegal information in the network. The method comprises: receiving network information; determining, according to the network information, a rating result of a network object corresponding to the network information; controlling the network object according to the rating result of the network object corresponding to the network information. Embodiments of the present invention further provide an information processing device and server. The present invention is applied to the network information management.Type: GrantFiled: July 13, 2012Date of Patent: April 7, 2015Assignee: Tencent Technology (Shenzhen) Company LimitedInventors: Zhihao Zheng, Zhu Liang, Yu Chen, Zhenwei Liu
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Patent number: 8981592Abstract: Disclosed is a transformer control device and method based on a three-dimensional zone diagram policy. The method includes: setting transformers, including a transformer A and a transformer B; collecting three-phase voltage data and three-phase current data in a power system; rectifying the collected three-phase voltage data and the three-phase current data; transferring the data to the latches in a time-transfer method; transferring the data to an A/D converter of a processor to convert analog signals to digital signals; constructing a three-dimensional zone diagram in the processor; determining transformer operating conditions according to positions of points formed by voltage, reactive power factor and substation load; and adjusting the transformers.Type: GrantFiled: March 7, 2012Date of Patent: March 17, 2015Assignees: Northeastern UniversityInventors: Huaguang Zhang, Qiuye Sun, Jun Yang, Bin Jiang, Lianzhi Wang, Dazhong Ma, Zhenwei Liu, Fei Teng, Zhiqiang He, Xintong Li
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Patent number: 8965747Abstract: An automatic three-phase unbalanced load compensation experimental device includes an automatic compensation device, a load simulation part, and detection, display and control parts. The automatic compensation device includes power capacitors and intelligent grouping compound switches. The detection, display and control part includes a plurality of current transformers, molded case circuit breakers, a three-phase digital display ammeter, a three-phase electric power monitoring instrument, a protocol conversion module, RS-485 buses, Ethernet cables and an upper computer. The load simulation part includes phase A, B and C loads which are in star connection and are same in component and circuit connection, an analog output module and a relay output module. A power monitoring instrument and digital ammeter are connected to the grid by circuit breaker and the plurality of current transformers. The automatic compensation device and load simulation part are connected to the grid in parallel.Type: GrantFiled: May 30, 2012Date of Patent: February 24, 2015Assignees: Northeastern University, Huaguang Zhang, Qiuye Sun, Zhenwei Liu, Tieyan Zhang, Xiangping Meng, Qingqi Zhao, Jianguo Zhou, Jun Yang, Dazhong Ma, Yan Zhao, Xinrui Liu, Jing GuoInventors: Huaguang Zhang, Qiuye Sun, Zhenwei Liu, Tieyan Zhang, Xiangping Meng, Qingqi Zhao, Jianguo Zhou, Jun Yang, Dazhong Ma, Yan Zhao, Xinrui Liu, Jing Guo
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Publication number: 20140298463Abstract: Embodiments of the present invention provide an information processing method, device, and server, relating to the technical field of communications, and solving the problem that a user continuously releasing illegal information in the network. The method comprises: receiving network information; determining, according to the network information, a rating result of a network object corresponding to the network information; controlling the network object according to the rating result of the network object corresponding to the network information. Embodiments of the present invention further provide an information processing device and server. The present invention is applied to the network information management.Type: ApplicationFiled: July 13, 2012Publication date: October 2, 2014Applicant: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Zhihao Zheng, Zhu Liang, Yu Chen, Zhenwei Liu
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Publication number: 20140297051Abstract: The present invention relates to an energy resource-grid-load automatic control system of smart microgrid and control methods thereof, which belong to the field of microgrid control and electrical technology. The energy resource-grid-load automatic control system comprises a distributed renewable energy power generation module, a distributed renewable energy inverter module, a conventional power generation module, a user load module, a bidirectional grid-connected control module, a distributed renewable energy intelligent optimizing power generation control module, an energy storage module, an intelligent energy storage unit adjuster and a storage battery pack.Type: ApplicationFiled: March 25, 2014Publication date: October 2, 2014Applicant: Northeastern UniversityInventors: HuaGuang Zhang, QiuYe Sun, Jun Yang, XinRui Liu, ZhiLiang Wang, Fei Teng, Jing Guo, ZhanShan Wang, ZhenWei Liu, YingChun Wang
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Publication number: 20130076130Abstract: Disclosed is a transformer control device and method based on a three-dimensional zone diagram policy. The method includes: setting transformers, including a transformer A and a transformer B; collecting three-phase voltage data and three-phase current data in a power system; rectifying the collected three-phase voltage data and the three-phase current data; transferring the data to the latches in a time-transfer method; transferring the data to an A/D converter of a processor to convert analog signals to digital signals; constructing a three-dimensional zone diagram in the processor; determining transformer operating conditions according to positions of points formed by voltage, reactive power factor and substation load; and adjusting the transformers.Type: ApplicationFiled: March 7, 2012Publication date: March 28, 2013Inventors: Huaguang ZHANG, Qiuye Sun, Jun Yang, Bin Jiang, Lianzhi Wang, Dazhong Ma, Zhenwei Liu, Fei Teng, Zhiqiang He, Xintong Li
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Publication number: 20130054204Abstract: Disclosed are an automatic three-phase unbalanced load compensation experimental device and its control method. The experimental device comprises an automatic compensation device, a load simulation part, and detection, display and control parts. The automatic compensation device comprises power capacitors and intelligent grouping compound switches; the detection, display and control part comprises current transformers, molded case circuit breakers, a three-phase digital display ammeter, a three-phase electric power monitoring instrument, a protocol conversion module, 485 buses, Ethernet cables and an upper computer; the load simulation part comprises phase A, B and C loads which are in star connection and are same in component and circuit connection, an analog output module and a relay output module. Power monitoring instrument and digital ammeter are connected to the grid by circuit breaker and current transformer.Type: ApplicationFiled: May 30, 2012Publication date: February 28, 2013Applicants: NORTHEASTERN UNIVERSITYInventors: Huaguang Zhang, Qiuye Sun, Zhenwei Liu, Tieyan Zhang, Xiangping Meng, Qingqi Zhao, Jianguo Zhou, Jun Yang, Dazhong Ma, Yan Zhao, Xinrui Liu, Jing Guo
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Patent number: D869505Type: GrantFiled: December 27, 2017Date of Patent: December 10, 2019Assignee: Hangzhou Sanhua Research Institute Co., Ltd.Inventors: Long Lin, Zhi Wu, Zhenwei Liu, Yumin Yu