Patents by Inventor Wenlong ZHU
Wenlong ZHU 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: 20240150900Abstract: An anti-cavitation damping composite metal structure for a flow passage component and a preparation method thereof are provided. The preparation method includes: cladding a gradient functional material layer by layer on a substrate of a flow passage component; forming periodic structures on a surface of each layer of the gradient functional material through etching by an ultrafast laser to absorb a part of an impact load energy caused by cavitation of the flow passage component, where the layers of the gradient functional material form a gradient coating with a toughness increasing layer by layer and a hardness decreasing layer by layer from bottom to top; and forming nano twins on a surface layer by a laser shock peening technique, and implanting a residual compressive stress to further improve anti-cavitation resistance of a surface.Type: ApplicationFiled: November 3, 2023Publication date: May 9, 2024Applicant: HOHAI UNIVERSITYInventors: Hongbing YAO, Yuanhang ZHOU, Wenlong LI, Wenjie SHI, Wei SU, Jiang YUE, Xiang HE, Yuanyuan XIANG, Weihua ZHU
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Publication number: 20240108581Abstract: The invention provides a making method of modified polyvinyl alcohol embolic microspheres. First, polyvinyl alcohol dimethyl sulfoxide solution is added to acryloyl chloride dichloromethane solution for reaction, then taurine solution is added to the above solution for further reaction, so that functional groups are introduced into the side chains of polyvinyl alcohol, then blank microspheres are prepared by suspension crosslinking method, and finally, drug-loaded modified polyvinyl alcohol embolic microspheres are prepared. The invention aims at improving the drug loading rate and drug loading speed of the microspheres. Through modification, the crystallinity of polyvinyl alcohol is weakened, the swelling in water is accelerated, and the application effect of the microspheres is improved.Type: ApplicationFiled: October 24, 2022Publication date: April 4, 2024Inventors: Liping ZHANG, Yi Zhu, Wenlong Wang, Caihua Ni
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Patent number: 11925708Abstract: The invention provides a making method of modified polyvinyl alcohol embolic microspheres. First, polyvinyl alcohol dimethyl sulfoxide solution is added to acryloyl chloride dichloromethane solution for reaction, then taurine solution is added to the above solution for further reaction, so that functional groups are introduced into the side chains of polyvinyl alcohol, then blank microspheres are prepared by suspension crosslinking method, and finally, drug-loaded modified polyvinyl alcohol embolic microspheres are prepared. The invention aims at improving the drug loading rate and drug loading speed of the microspheres. Through modification, the crystallinity of polyvinyl alcohol is weakened, the swelling in water is accelerated, and the application effect of the microspheres is improved.Type: GrantFiled: October 24, 2022Date of Patent: March 12, 2024Assignee: JIANGNAN UNIVERSITYInventors: Liping Zhang, Yi Zhu, Wenlong Wang, Caihua Ni
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Patent number: 11898932Abstract: A device for diagnosing a fault in a bearing of a motor is provided. If the device operates in a fault diagnosis mode, a current signal acquisition unit acquires a real-time current signal of the motor, a residual signal acquisition unit extracts harmonic signals from the real-time current signal of the motor acquired by the current signal acquisition unit and remove a fundamental signal and a harmonic signal from the real-time current signal of the motor to acquire a residual signal, a fault feature extraction unit analyzes the residual signal in both time domain and frequency domain to extract a fault feature index of the bearing, and a fault diagnosis model unit performs, by using a bearing fault diagnosis model obtained through training, pattern recognition on the fault feature index to diagnose a fault state of the bearing.Type: GrantFiled: September 3, 2019Date of Patent: February 13, 2024Assignee: ZHUZHOU CRRC TIMES ELECTRIC CO., LTD.Inventors: Wenlong Zhu, Yong Liu, Jisheng Dai, Zongshuai Li, Jiawei Yang, Ping Jiang, Yanhao Zhan, Zhongjing Zhang, Hailong Xu
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Publication number: 20210286995Abstract: A device for diagnosing a fault in a bearing of a motor is provided. If the device operates in a fault diagnosis mode, a current signal acquisition unit acquires a real-time current signal of the motor, a residual signal acquisition unit extracts harmonic signals from the real-time current signal of the motor acquired by the current signal acquisition unit and remove a fundamental signal and a harmonic signal from the real-time current signal of the motor to acquire a residual signal, a fault feature extraction unit analyzes the residual signal in both time domain and frequency domain to extract a fault feature index of the bearing, and a fault diagnosis model unit performs, by using a bearing fault diagnosis model obtained through training, pattern recognition on the fault feature index to diagnose a fault state of the bearing.Type: ApplicationFiled: September 3, 2019Publication date: September 16, 2021Applicant: ZHUZHOU CRRC TIMES ELECTRIC CO., LTD.Inventors: Wenlong ZHU, Yong LIU, Jisheng DAI, Zongshuai LI, Jiawei YANG, Ping JIANG, Yanhao ZHAN, Zhongjing ZHANG, Hailong XU
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Publication number: 20210162554Abstract: A stage for cutting process and cutting method thereof, processing apparatus are disclosed. The stage includes a support substrate and a driving unit disposed on the support substrate. The driving unit is configured to drive the support substrate to rotate around a first direction in a board surface of the support substrate so as to remove foreign matters on the support substrate. The driving unit disposed in the stage can drive the rotation of the stage to allow foreign matters on the stage to automatically slide down.Type: ApplicationFiled: October 17, 2017Publication date: June 3, 2021Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Sheng Tao, Wenlong Zhu, Qingyang Xu, Yunze Li, Zuliang Wang
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Patent number: 10618143Abstract: A grinding method, an OGS substrate and a manufacturing method of an OGS mother substrate are provided. The grinding method is used to grind the OGS substrate comprising a base substrate, wherein a shielding pattern is formed inside a periphery region of the base substrate, a reference mark is formed above the shielding pattern, the grinding method comprises: grinding an edge of the base substrate to form a chamfer; identifying edges of the reference mark and the base substrate; calculating a position distance between an outer edge of the reference mark and the edge of the base substrate corresponding thereto based on the identified edges of the reference mark and the base substrate; judging whether the position distance is smaller than a first distance; if it is judged that the position distance is smaller than the first distance, stopping grinding; otherwise, continuing to grind.Type: GrantFiled: September 20, 2017Date of Patent: April 14, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenlong Zhu, Zuliang Wang, Binbin Zhang, Wenjin Fan, Lei Zhang, Qingpu Wang
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Patent number: 10618144Abstract: An OGS substrate and a grinding method thereof are provided. The OGS substrate includes a base substrate, wherein a shielding pattern is formed inside a periphery region of the base substrate, a reference mark is formed above the shielding pattern, the grinding method comprises: grinding an edge of the base substrate to form a chamfer; identifying edges of the reference mark and the base substrate; calculating a position distance between an outer edge of the reference mark and the edge of the base substrate corresponding thereto based on the identified edges of the reference mark and the base substrate; judging whether the position distance is smaller than a first distance; if it is judged that the position distance is smaller than the first distance, stopping grinding; otherwise, continuing to grind.Type: GrantFiled: November 11, 2019Date of Patent: April 14, 2020Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenlong Zhu, Zuliang Wang, Binbin Zhang, Wenjin Fan, Lei Zhang, Qingpu Wang
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Publication number: 20200070304Abstract: An OGS substrate and a grinding method thereof are provided. The OGS substrate includes a base substrate, wherein a shielding pattern is formed inside a periphery region of the base substrate, a reference mark is formed above the shielding pattern, the grinding method comprises: grinding an edge of the base substrate to form a chamfer; identifying edges of the reference mark and the base substrate; calculating a position distance between an outer edge of the reference mark and the edge of the base substrate corresponding thereto based on the identified edges of the reference mark and the base substrate; judging whether the position distance is smaller than a first distance; if it is judged that the position distance is smaller than the first distance, stopping grinding; otherwise, continuing to grind.Type: ApplicationFiled: November 11, 2019Publication date: March 5, 2020Inventors: Wenlong ZHU, Zuliang WANG, Binbin ZHANG, Wenjin FAN, Lei ZHANG, Qingpu WANG
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Publication number: 20190009361Abstract: A laser processing device and a laser processing method. The laser processing device includes a cutting table, configured to load a workpiece to be processed; a distance-measuring unit, configured to perform distance measurement on the workpiece along a predetermined processing path to obtain three-dimensional processing data of the workpiece; and a laser processing unit, configured to process the workpiece by using laser light according to the three-dimensional processing data.Type: ApplicationFiled: August 2, 2017Publication date: January 10, 2019Inventors: Lulu XU, Wenlong ZHU, Qingyang XU
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Publication number: 20180079053Abstract: A grinding method, an OGS substrate and a manufacturing method of an OGS mother substrate are provided. The grinding method is used to grind the OGS substrate comprising a base substrate, wherein a shielding pattern is formed inside a periphery region of the base substrate, a reference mark is formed above the shielding pattern, the grinding method comprises: grinding an edge of the base substrate to form a chamfer; identifying edges of the reference mark and the base substrate; calculating a position distance between an outer edge of the reference mark and the edge of the base substrate corresponding thereto based on the identified edges of the reference mark and the base substrate; judging whether the position distance is smaller than a first distance; if it is judged that the position distance is smaller than the first distance, stopping grinding; otherwise, continuing to grind.Type: ApplicationFiled: September 20, 2017Publication date: March 22, 2018Inventors: Wenlong ZHU, Zuliang WANG, Binbin ZHANG, Wenjin FAN, Lei ZHANG, Qingpu WANG