Patents by Inventor Zhiwei Liu
Zhiwei 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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Publication number: 20180242597Abstract: A method is provided for producing intensified whole-cereal flour by means of pulsed electric fields in collaboration with ultrafine pulverization, which includes: (1) preparing bran, middling and flour by cleaning, modulating and milling cereal grains; (2) performing superfine pulverization on the bran and the middling and performing sieving; (3) preparing a suspension by using water and the sieved bran and middling, and stirring constantly; (4) adding polysaccharide colloids into the suspension, and adjusting the pH to 4.0; (5) performing high-voltage pulse treatment on the suspension to ensure stable flow of the suspension; (6) centrifuging the suspension to separate the supernatant, and drying the obtained precipitate and performing sieving to obtain the treated bran and middling; and (7) mixing the treated bran and middling with flour uniformly to obtain whole-cereal flour.Type: ApplicationFiled: December 29, 2015Publication date: August 30, 2018Inventors: Xin'an Zeng, Jing Hong, Zhong Han, Zhiwei Liu
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Publication number: 20180115117Abstract: A connector comprises an insulation body and at least two rows of contacts disposed in the insulation body. The at least two rows of contacts extend in a first direction. A plurality of first contacts of a first row of the at least two rows of contacts corresponds to a plurality of second contacts of a second row of the at least two rows of contacts. A pair of corresponding contacts in the first row and second row is staggered in the first direction by a predetermined distance set to be 1.20-1.80 times a contact pitch between a pair of adjacent contacts in each of the first row and second row.Type: ApplicationFiled: October 20, 2017Publication date: April 26, 2018Applicant: Tyco Electronics (Shanghai) Co. Ltd.Inventors: Clarence Yu, Liang Huang, Zhiwei Liu
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Publication number: 20180103045Abstract: It is described a network attack detection method. A topology analysis on network is conducted to obtain a probing path set containing at least one probing path. A first probing path contained in the probing path set is probed by using a probing pattern to obtain a performance metric of the first probing path. It is determined whether the first probing path is subjected to network attack according to the performance metric and a control performance metric.Type: ApplicationFiled: December 8, 2017Publication date: April 12, 2018Inventors: Lei Xue, Zhiwei Liu, Xianneng Zou, Jingang Hou, Xiapu Luo, Edmond W. W. Chan, Pei Tu, Yuru Shao
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Patent number: 9918061Abstract: System and method can support an image signal processing apparatus, such as a camera system. The image signal processing apparatus includes a processing device, such as a field programmable gate array (FPGA) device, which operates to receive one or more image data from an image sensor via an image data interface. The processing device can forward the received one or more image data to an image signal processor, wherein said image signal processor operates to compress the received one or more image data and save the compressed image data in a first storage medium. Furthermore, the processing device can export the received one or more image data to a second storage medium via a data communication interface.Type: GrantFiled: September 12, 2016Date of Patent: March 13, 2018Assignee: SZ DJI TECHNOLOGY CO., LTD.Inventors: Zhiwei Liu, Qiang Zhang, Junping Ma
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Patent number: 9876807Abstract: It is described a network attack detection method. A topology analysis on network is conducted to obtain a probing path set containing at least one probing path. A first probing path contained in the probing path set is probed by using a probing pattern to obtain a performance metric of the first probing path. It is determined whether the first probing path is subjected to network attack according to the performance metric and a control performance metric.Type: GrantFiled: April 16, 2015Date of Patent: January 23, 2018Assignees: The Hong Kong Polytechnic University, Tencent Technology (Shenzhen) Company LimitedInventors: Lei Xue, Zhiwei Liu, Xianneng Zou, Jingang Hou, Xiapu Luo, Edmond W. W Chan, Pei Tu, Yuru Shao
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Patent number: 9797714Abstract: A clearance detection system for a railway vehicle includes a cross beam, an upright column connected to two ends of the cross beam through an adjusting block, an inclined support connected to the upright column and the cross beam for supporting the upright column and the cross beam, an electric cylinder arranged on the upright column and the cross beam, a telescopic guide rod being provided on a guide rail of the electric cylinder, a connecting plate fixed at an end of the telescopic guide rod, and a PC connected to a controller of the electric-cylinder. The telescopic guide rod is movable along the guide rail of the electric-cylinder under movement of the electric-cylinder, adjusts the position of the industrial camera, and detects the contours of different types of rail vehicles.Type: GrantFiled: October 28, 2015Date of Patent: October 24, 2017Assignee: CRRC QINGDAO SIFANG CO., LTD.Inventors: Jingli Wei, Zhiwei Liu, Fangling Cheng, Xinfang Miao, Duling Sun, Feng Li, Zhe Wu, Mingjuan Ge, Song Zhang
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Publication number: 20170067733Abstract: A clearance detection system for a railway vehicle includes a cross beam, an upright column connected to two ends of the cross beam through an adjusting block, an inclined support connected to the upright column and the cross beam for supporting the upright column and the cross beam, an electric cylinder arranged on the upright column and the cross beam, a telescopic guide rod being provided on a guide rail of the electric cylinder, a connecting plate fixed at an end of the telescopic guide rod, and a PC connected to a controller of the electric-cylinder. The telescopic guide rod is movable along the guide rail of the electric-cylinder under movement of the electric-cylinder, adjusts the position of the industrial camera, and detects the contours of different types of rail vehicles.Type: ApplicationFiled: October 28, 2015Publication date: March 9, 2017Applicant: CRRC QINGDAO SIFANG CO., LTD.Inventors: Jingli WEI, Zhiwei LIU, Fangling CHENG, Xinfang MIAO, Duling SUN, Feng LI, Zhe WU, Mingjuan GE, Song ZHANG
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Patent number: 9539905Abstract: The invention discloses a three-DOF hybrid damping pantograph, comprising an electric driving transmission system fixed on a base, and collector heads, transverse dampers, parallel support frames as well as longitudinal dampers. Square auxiliary holes are arranged on the base, supporting insulators are arranged on four angles below the base; four transverse dampers are symmetrically fixed on the base, and arranged on the outside of the parallel support frames and connected with the parallel support frames through hinges; four longitudinal dampers are symmetrically fixed on the top of the parallel support frames; the collector heads are connected with the parallel support frames by the longitudinal dampers and separators are arranged on the collector heads. The invention can realize bearing and damping spatially in three directions, avoid pantograph detachment, catenary scraping and other safety accidents, and improve the structural stability of the pantograph and adaptability to the catenary.Type: GrantFiled: May 28, 2015Date of Patent: January 10, 2017Assignees: Anhui University of Science and TechnologyInventors: Chengjun Wang, Long Li, Xiaolong Zhu, Zhiwei Liu, Chao Zhang, Kai Liu, Tianyu Zhang
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Publication number: 20160381338Abstract: System and method can support an image signal processing apparatus, such as a camera system. The image signal processing apparatus includes a processing device, such as a field programmable gate array (FPGA) device, which operates to receive one or more image data from an image sensor via an image data interface. The processing device can forward the received one or more image data to an image signal processor, wherein said image signal processor operates to compress the received one or more image data and save the compressed image data in a first storage medium. Furthermore, the processing device can export the received one or more image data to a second storage medium via a data communication interface.Type: ApplicationFiled: September 12, 2016Publication date: December 29, 2016Applicant: SZ DJI TECHNOLOGY CO., LTD.Inventors: Zhiwei LIU, Qiang ZHANG, Junping MA
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Publication number: 20160257205Abstract: The invention discloses a three-DOF hybrid damping pantograph, comprising an electric driving transmission system fixed on a base, and collector heads, transverse dampers, parallel support frames as well as longitudinal dampers. Square auxiliary holes are arranged on the base, supporting insulators are arranged on four angles below the base; four transverse dampers are symmetrically fixed on the base, and arranged on the outside of the parallel support frames and connected with the parallel support frames through hinges; four longitudinal dampers are symmetrically fixed on the top of the parallel support frames; the collector heads are connected with the parallel support frames by the longitudinal dampers and separators are arranged on the collector heads. The invention can realize bearing and damping spatially in three directions, avoid pantograph detachment, catenary scraping and other safety accidents, and improve the structural stability of the pantograph and adaptability to the catenary.Type: ApplicationFiled: May 28, 2015Publication date: September 8, 2016Applicants: ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Chengjun Wang, Long Li, Xiaolong Zhu, Zhiwei Liu, Chao Zhang, Kai Liu, Tianyu Zhang
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Patent number: 9435021Abstract: A method for fabricating an OLED by preparing phosphorescent metal complexes in situ is provided. In particular, the method simultaneously synthesizes and deposits copper (I) complexes in an organic light emitting device. Devices comprising such complexes may provide improved photoluminescent and electroluminescent properties.Type: GrantFiled: July 28, 2011Date of Patent: September 6, 2016Assignee: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Mark E. Thompson, Zhiwei Liu, Chao Wu
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Publication number: 20160119214Abstract: It is described an information processing method and device. It is received a request for service data from a client device. In response to the request for service data, it is sent at least two probing packets which contain the service data to the client device on a forward path which is from a server to the client device. It is obtained timing information, which includes: a time stamp corresponding to the service data, a time stamp corresponding to the request for the service data, and time stamps corresponding to at least two backward-path packets sent by the client device on a backward path, the backward path being from the client device to the server. It is determined according to the timing information a one-way path metric.Type: ApplicationFiled: March 27, 2015Publication date: April 28, 2016Inventors: Xiapu Luo, Jingang Hou, Zhiwei Liu, Xianneng Zou, Juhong Wang, Lei Xue, Yajuan Tang, Weigang Wu
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Publication number: 20160105453Abstract: It is described a network attack detection method. A topology analysis on network is conducted to obtain a probing path set containing at least one probing path. A first probing path contained in the probing path set is probed by using a probing pattern to obtain a performance metric of the first probing path. It is determined whether the first probing path is subjected to network attack according to the performance metric and a control performance metric.Type: ApplicationFiled: April 16, 2015Publication date: April 14, 2016Inventors: Lei Xue, Zhiwei Liu, Xianneng Zou, Jingang Hou, Xiapu Luo, Edmond W. W Chan, Pei Tu, Yuru Shao
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Patent number: 9293509Abstract: The present invention discloses a small-grain three-dimensional memory (3D-MSG). Each of its memory cells comprises a thin-film diode with critical dimension no larger than 40 nm. The thin-film diode comprises at least a small-grain material, whose grain size G is substantially smaller than the diode size D. The small-grain material is preferably a nano-crystalline material or an amorphous material. The critical dimension f of the small-grain diode is smaller than the critical dimension F of the single-crystalline transistor.Type: GrantFiled: February 5, 2015Date of Patent: March 22, 2016Assignees: HangZhou HaiCun Information Technology Co., Ltd.Inventors: Guobiao Zhang, Bin Yu, HongYu Yu, Jin He, JinFeng Kang, ZhiWei Liu
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Patent number: 9222158Abstract: A process for producing particle-reinforced composite materials through utilization of an in situ reaction to produce a uniform dispersion of a fine particulate reinforcement phase. The process includes forming a melt of a first material, and then introducing particles of a second material into the melt and subjecting the melt to high-intensity acoustic vibration. A chemical reaction initiates between the first and second materials to produce reaction products in the melt. The reaction products comprise a solid particulate phase, and the high-intensity acoustic vibration fragments and/or separates the reaction products into solid particles that are dispersed in the melt and are smaller than the particles of the second material. Also encompassed are particle-reinforced composite materials produced by such a process.Type: GrantFiled: November 20, 2013Date of Patent: December 29, 2015Assignee: Purdue Research FoundationInventors: Qingyou Han, Zhiwei Liu
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Publication number: 20150364767Abstract: The disclosure discloses a porous electrode assembly, a flow half-cell and a flow cell stack. The porous electrode assembly includes multiple porous electrodes which are stacked, wherein at least two porous electrodes are flow passage electrodes with flow passage, and a part of flow passages of at least two flow passage electrodes are mutually communicated to form a flow field. The flow field used for circulating an electrolyte and formed by communicating the flow passages one another is arranged in at least one porous electrode of the porous electrode assembly, and the electrolyte flows in the porous electrodes under a flow guide effect of the flow field, so that surface areas, permeated by the electrolyte, of solid parts of the porous electrodes are enlarged, flow resistance of the porous electrodes to the flowing of the electrolyte is reduced, and a flow pressure difference is reduced.Type: ApplicationFiled: January 31, 2013Publication date: December 17, 2015Applicant: DONGFANG ELECTRIC CORPORATIONInventors: Cong YIN, Hao TANG, Yanbin SONG, Zhiwei LIU, Yan GAO, Yangyue HU
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Publication number: 20150214277Abstract: The present invention discloses a small-grain three-dimensional memory (3D-MSG). Each of its memory cells comprises a thin-film diode with critical dimension no larger than 40 nm. The thin-film diode comprises at least a small-grain material, whose grain size G is substantially smaller than the diode size D. The small-grain material is preferably a nano-crystalline material or an amorphous material. The critical dimension f of the small-grain diode is smaller than the critical dimension F of the single-crystalline transistor.Type: ApplicationFiled: February 5, 2015Publication date: July 30, 2015Applicant: HangZhou HaiCun Information Technology Co., Ltd.Inventors: Guobiao ZHANG, Bin YU, HongYu YU, Jin HE, JinFeng KANG, ZhiWei LIU
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Publication number: 20140331730Abstract: A rolling device for three-dimensional curved surface forming or thin sheet rolling of a sheet metal, comprising a forming roll (1), a supporting mechanism, an adjusting mechanism and a driving mechanism. The forming roll (1) comprises an upper forming roll (1a) and a lower forming roll (1b); the supporting mechanism is a multi-point supporting mechanism (2a) or an overall supporting mechanism (2b) for supporting the forming roll; the adjusting mechanism is a multi-point shape adjusting mechanism (3) and/or an overall displacing mechanism for adjusting the shape and/or relative height of the forming roll (1); and the driving mechanism applies a torque to one or two ends of the upper forming roll (1a) and/or the lower forming roll (1b). The present invention also provides a method for sheet rolling by using the rolling device. The rolling device and rolling method can achieve three-dimensional curved surface rolling or thin sheet rolling of a sheet metal simply, quickly and at a low cost.Type: ApplicationFiled: November 15, 2012Publication date: November 13, 2014Applicant: JILIN UNIVERSITYInventors: Mingzhe Li, Zhiwei Liu, Qigang Han, Zhongyi Cai, Renjun Li, Zhen Ssui, Wenzhi Fu, Chunguo Liu, Ningjia Qiu
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Publication number: 20140219861Abstract: A process for producing particle-reinforced composite materials through utilization of an in situ reaction to produce a uniform dispersion of a fine particulate reinforcement phase. The process includes forming a melt of a first material, and then introducing particles of a second material into the melt and subjecting the melt to high-intensity acoustic vibration. A chemical reaction initiates between the first and second materials to produce reaction products in the melt. The reaction products comprise a solid particulate phase, and the high-intensity acoustic vibration fragments and/or separates the reaction products into solid particles that are dispersed in the melt and are smaller than the particles of the second material. Also encompassed are particle-reinforced composite materials produced by such a process.Type: ApplicationFiled: November 20, 2013Publication date: August 7, 2014Applicant: Purdue Research FoundationInventors: Qingyou Han, Zhiwei Liu
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Patent number: 8613789Abstract: A process for producing particle-reinforced composite materials through utilization of an in situ reaction to produce a uniform dispersion of a fine particulate reinforcement phase. The process includes forming a melt of a first material, and then introducing particles of a second material into the melt and subjecting the melt to high-intensity acoustic vibration. A chemical reaction initiates between the first and second materials to produce reaction products in the melt. The reaction products comprise a solid particulate phase, and the high-intensity acoustic vibration fragments and/or separates the reaction products into solid particles that are dispersed in the melt and are smaller than the particles of the second material. Also encompassed are particle-reinforced composite materials produced by such a process.Type: GrantFiled: November 10, 2011Date of Patent: December 24, 2013Assignee: Purdue Research FoundationInventors: Qingyou Han, Zhiwei Liu