Patents by Inventor Baojun Zhang
Baojun Zhang 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: 12110607Abstract: The present disclosure relates to the field of directional solidification, and in particular, to an apparatus, method, and process for directional solidification by liquid metal spraying enhanced cooling (LMSC). The process has the following beneficial effects: the apparatus of the present disclosure can regulate a solidification structure of a casting, refine a dendrite spacing, and reduce or avoid metallurgical defects, and can be used to prepare high-quality large-sized columnar/single crystal blades or other castings.Type: GrantFiled: August 9, 2022Date of Patent: October 8, 2024Assignee: Shanghai UniversityInventors: Zhongming Ren, Jiang Wang, Xingfu Ren, Zhenqiang Zhang, Xiaoxin Zhang, Xia Li, Tingsheng Tu, Baojun Wang
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Patent number: 12073961Abstract: The present invention provides a polypropylene cable protective layer and a preparation method thereof. The polypropylene cable protective layer sequentially includes a dielectric layer, a buffer layer and an insulating layer from the inside to the outside, and the thickness of the dielectric layer accounts for 5%˜12% of the thickness of the polypropylene cable protective layer; the thickness of the buffer layer accounts for 17%˜25% of the thickness of the polypropylene cable protective layer; the dielectric layer, the buffer layer and the insulating layer are respectively obtained by the wrapping of a polypropylene film A, a polypropylene film B and a polypropylene film C. The polypropylene cable protective layer of the present invention forms a dielectric gradient, and realizes the improvement of the insulation strength and voltage level of the power cable, and the increase of the transmission capability.Type: GrantFiled: September 18, 2021Date of Patent: August 27, 2024Assignee: ELECTRIC POWER RESEARCH INSTITUTE. CHINA SOUTHERN POWER GRIDInventors: Yifan Zhang, Mingli Fu, Shuai Hou, Xiaolin Li, Lei Jia, Baojun Hui, Bin Feng, Wenbo Zhu, Yunpeng Zhan, Yongjie Nie
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Patent number: 12068783Abstract: A method in which a plurality of transmit signals are generated at data rates that are offset from each other by inserting an idle data block into a data stream for one or more transmit signals of the plurality of transmit signals to increase a data rate for the one or more transmit signals, thereby minimizing detectable electromagnetic interference at a particular frequency. The method further includes converting each transmit signal of the plurality of transmit signals to a corresponding optical transmit signal of a plurality of optical transmit signals for transmission via a corresponding channel of a plurality of channels of an optical network device and transmitting the plurality of optical transmit signals via respective ones of the plurality of channels for transmission on respective optical fibers.Type: GrantFiled: March 7, 2022Date of Patent: August 20, 2024Assignee: CISCO TECHNOLOGY, INC.Inventors: Xiangpeng Yao, Jianquan Lou, Alpesh Umakant Bhobe, Baojun Zhang, Jun Liu
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Publication number: 20240187983Abstract: A method, computer system, and computer program product are provided for dynamic power saving for wireless access points. It is determined that a wireless client has not requested to connect to a first access point for a first threshold duration of time. Power is disabled to one or more front-end modules of a plurality of front-end modules associated with the first access point except for one designated front-end module that remains powered. Monitoring is performed for an incoming request to connect to the first access point. Power is restored to the one or more front-end modules of the plurality of front-end modules.Type: ApplicationFiled: December 2, 2022Publication date: June 6, 2024Inventors: Ruifeng Xue, Kai Ma, Xiangpeng Yao, Li Zhang, Baojun Zhang, Jun Liu
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Patent number: 11510354Abstract: The present invention discloses a multifunctional folding spade, which comprises a spade plate and a spade handle, a turntable is welded at the tail end of the spade plate, a spade handle sleeve is provided at the head end of the spade handle, a socket is provided at the head end of the spade handle sleeve, a part of the turntable body is inserted into the socket, the turntable and the spade handle sleeve are provided with matching rotation holes, and a pin shaft passes through the rotation holes to realize the rotating connection between the turntable and the spade handle; the turntable body is further provided with a plurality of angle adjusting holes circumferentially, a locking hole is provided with at the tail end of the spade handle sleeve correspondingly, a locking bolt is provided at one side of the locking hole.Type: GrantFiled: October 15, 2019Date of Patent: November 29, 2022Assignee: Taigu Changlin Shovel Co., Ltd.Inventors: Qiang Wang, Baojun Zhang, Dingbo Zhang, Haobo Xu, Yixiao Wang, Xinyin Zhang, Zhiying Du
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Publication number: 20220190919Abstract: A method in which a plurality of transmit signals are generated at data rates that are offset from each other by inserting an idle data block into a data stream for one or more transmit signals of the plurality of transmit signals to increase a data rate for the one or more transmit signals, thereby minimizing detectable electromagnetic interference at a particular frequency. The method further includes converting each transmit signal of the plurality of transmit signals to a corresponding optical transmit signal of a plurality of optical transmit signals for transmission via a corresponding channel of a plurality of channels of an optical network device and transmitting the plurality of optical transmit signals via respective ones of the plurality of channels for transmission on respective optical fibers.Type: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Inventors: Xiangpeng Yao, Jianquan Lou, Alpesh Umakant Bhobe, Baojun Zhang, Jun Liu
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Publication number: 20210227740Abstract: The present invention discloses a multifunctional folding spade, which comprises a spade plate and a spade handle, a turntable is welded at the tail end of the spade plate, a spade handle sleeve is provided at the head end of the spade handle, a socket is provided at the head end of the spade handle sleeve, a part of the turntable body is inserted into the socket, the turntable and the spade handle sleeve are provided with matching rotation holes, and a pin shaft passes through the rotation holes to realize the rotating connection between the turntable and the spade handle; the turntable body is further provided with a plurality of angle adjusting holes circumferentially, a locking hole is provided with at the tail end of the spade handle sleeve correspondingly, a locking bolt is provided at one side of the locking hole.Type: ApplicationFiled: October 15, 2019Publication date: July 29, 2021Inventors: Qiang Wang, Baojun Zhang, Dingbo Zhang, Haobo Xu, Yixiao Wang, Xinyin Zhang, Zhiying Du
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Patent number: 11040420Abstract: A wheel press mounting device includes a rack, a servo motor, a synchronous belt, a working table, a base, a thrust bearing, a bearing pedestal, a shaft, a mandrel, hydraulic cylinders, a floating locating pin, strong magnets, floating shafts and a clamp platform.Type: GrantFiled: July 11, 2019Date of Patent: June 22, 2021Assignee: CITIC Dicastal CO., LTD.Inventors: Guoyuan Xiong, Bowen Xue, Baojun Zhang, Jiandong Guo
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Patent number: 10940552Abstract: A wheel spinning flash cutting device includes a rack, a turnover cylinder, a connection rod, a top plate, a first guide rail, a sliding plate, bearing pedestals, first shafts, rollers, a clamping cylinder, a first motor, a belt wheel, a base, a synchronous belt, second shafts, second rails, a support, a cutting blade, a second motor, a feed cylinder and a bracket.Type: GrantFiled: July 10, 2019Date of Patent: March 9, 2021Assignee: CITIC Dicastal CO., LTD.Inventors: Zuo Xu, Bowen Xue, Baojun Zhang, Jiandong Guo
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Publication number: 20200147735Abstract: A wheel press mounting device includes a rack, a servo motor, a synchronous belt, a working table, a base, a thrust bearing, a bearing pedestal, a shaft, a mandrel, hydraulic cylinders, a floating locating pin, strong magnets, floating shafts and a clamp platform.Type: ApplicationFiled: July 11, 2019Publication date: May 14, 2020Applicant: CITIC Dicastal CO., LTD.Inventors: Bowen XUE, Baojun ZHANG, Jiandong GUO
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Publication number: 20200147704Abstract: A wheel spinning flash cutting device includes of a rack, a turnover cylinder, a connection rod, a top plate, a first guide rail, a left sliding plate, bearing pedestals, left shafts, rollers, a clamping cylinder, a first motor, a belt wheel, a right base, a synchronous belt, right shafts, second rails, a support, a cutting blade, a second motor, a feed cylinder and a bracket.Type: ApplicationFiled: July 10, 2019Publication date: May 14, 2020Applicant: CITIC Dicastal CO., LTD.Inventors: Bowen XUE, Baojun ZHANG, Jiandong GUO
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Patent number: 10375769Abstract: Provided is a windshield for a high-speed locomotive and preparation method thereof. The windshield comprises an anti-reflection film layer; a first chemical tempering glass layer coated with the anti-reflection film layer on a first side thereof; at least one second chemical tempering glass layer located on a second side of the first chemical tempering glass layer; the second chemical tempering glass layer being bonded together with the first chemical tempering glass layer via a layer of an adhesive film, and adjacent second chemical tempering glass layers also being bonded together via a layer of the adhesive film; an anti-splash film layer, located on an outer side of the outermost second chemical tempering glass layer and bonded together with the outermost second chemical tempering glass layer via a layer of the adhesive film; and a first electric heating element disposed inside the adhesive film layer in contact with the first chemical tempering glass layer.Type: GrantFiled: April 29, 2014Date of Patent: August 6, 2019Assignees: CHINA BUILDING MATERIALS ACADEMY, BEIJING HANG BO NEW MATERIAL TECHNOLOGY CO., LTDInventors: Yuanchun Mu, Dayan Du, Baojun Zhang, Zhiwei Xu, Yan Zuo, Jing Fu, Chaoying Liu, Fan Zhang, Wei Chen, Yang Zhang, Yanfang Zhang, Yuan An
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Publication number: 20160249414Abstract: Provided is a windshield for a high-speed locomotive and preparation method thereof. The windshield comprises an anti-reflection film layer; a first chemical tempering glass layer coated with the anti-reflection film layer on a first side thereof; at least one second chemical tempering glass layer located on a second side of the first chemical tempering glass layer; the second chemical tempering glass layer being bonded together with the first chemical tempering glass layer via a layer of an adhesive film, and adjacent second chemical tempering glass layers also being bonded together via a layer of the adhesive film; an anti-splash film layer, located on an outer side of the outermost second chemical tempering glass layer and bonded together with the outermost second chemical tempering glass layer via a layer of the adhesive film; and a first electric heating element disposed inside the adhesive film layer in contact with the first chemical tempering glass layer.Type: ApplicationFiled: April 29, 2014Publication date: August 25, 2016Applicants: BEIJING HANG BO NEW MATERIAL TECHNOLOGY CO., LTD, CHINA BUILDING MATERIALS ACADEMYInventors: Yuanchun MU, Dayan DU, Baojun ZHANG, Zhiwei XU, Yan ZUO, Jing FU, Chaoying LIU, Fan ZHANG, Wei CHEN, Yang ZHANG, Yanfang ZHANG, Yuan AN
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Patent number: 9421533Abstract: A catalyst for synthesizing 1-hexene from ethylene trimerization and its application are provided. Said catalyst consists of (a) the compound containing P and N, (b) electron donor, (c) Cr compound, (d) carrier and (e) accelerator. The molar ratio of (a), (b), (c), (d) and (e) is 0.5-100:0.5-100:1:0.5-10:50-5000. The catalyst is prepared by mixing the components of (a)-(e) in an ethylene trimerization apparatus in situ and ethylene is introduced into the apparatus continuously. The prepared catalyst can be used to synthesize 1-hexene from ethylene trimerization in the inert solvents. The trimerization is performed at 30-150° C. and 0.5-10.0 MPa for 0.1-4 hours. The catalyst has high catalytic activity and high 1-hexene selectivity. During the process of ethylene trimerization, by-product polyethylene does not stick to the apparatus.Type: GrantFiled: July 22, 2010Date of Patent: August 23, 2016Assignee: PETROCHINA COMPANY LIMITEDInventors: Gang Wang, Sihan Wang, Zhonghua Yang, Jiabo Qu, Baojun Zhang, Qian Chen, Deshun Zhang, Libo Wang, Yali Wang, Buwei Yu, Xiuhui Wang, Fuling Huang, Xuemei Han, Dongmei Niu, Shukun Sun, Wenchao Zhang, Hua Li, Gongchen Yan
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Patent number: 9248430Abstract: A method for synthesis of 1-decene oligomer is provided, wherein 1-decene is polymerized at 80-120° C., 0.8-1.4 MPa in the presence of aluminum trichloride catalyst supported on gamma-alumina and n-hexane solvent where the volume ratio of 1-decene to n-hexane is 3:8-4:1. The catalyst is treated as follows: impregnating gamma-alumina carrier in 0.5-2.0 M of hydrochloric acid, sulfuric acid, nitric acid or mixtures thereof, then vacuum drying at 80-100° C. and calcining at 400-800° C.; dissolving 5-10 g of anhydrous aluminum trichloride in 100 ml of tetrachloromethane, trichloromethane or dichloromethane solvent; adding the obtained solution into 10-20 g of activated alumina carrier and obtaining the catalyst after vacuum drying. The conversion of 1-decene is 50 wt % or more. The oligomer has a kinematic viscosity at 40° C. of 6.0-25 mm2/s and a viscosity index of 160-262.Type: GrantFiled: July 22, 2010Date of Patent: February 2, 2016Assignees: PETROCHINA COMPANY LIMITED, EAST CHINA UNIVERSITY OF SCIENCEInventors: Fuling Huang, Puke Mi, Sihan Wang, Jinhua Qian, Qian Chen, Sheng Xu, Jianzhong Li, Gang Wang, Baojun Zhang, Min Liu, Guizhi Wang, Xuemei Han, Jiabo Qu, Panfeng Lu, Shukun Sun, Xiuhui Wang, Yuxin Gao, Deshun Zhang, Ling Jiang, Buwei Yu, Libo Wang, Yali Wang, Lingting Fan, Peng Wei, Wei Liu, Guiyue Guo
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Publication number: 20130090508Abstract: Disclosed is a method for preparing 1-octene in the presence of a catalyst system for ethylene oligomerization, which includes: premixing a part of ethylene gas as raw material with a solvent, mixing with the components a+b, c and d of the catalyst system, and then sending in a reactor; directly sending the rest of ethylene gas in the reactor; discharging the resultant liquid from the upper part of the reactor into an overflow channel; adding a catalysis stopping agent to the overflow channel; and then separating the resultant liquid. The advantages of the method are high selectivity of 1-octene and high catalytic activity.Type: ApplicationFiled: June 3, 2011Publication date: April 11, 2013Applicant: PETROCHINA COMPANY LIMITEDInventors: Gang Wang, Baojun Zhang, Jianzhong Li, Sihan Wang, Jiabo Qu, Defu He, Guizhi Wang, Qian Chen, Buwei Yu, Deshun Zhang, Libo Wang, Yali Wang, Liwei Liang, Yuxin Gao, Jie Li, Wenchao Zhang, Hua Li, Xiaoyu Gao, Shouhui Zha, Fuling Huang, Jing Wei, Xiuhui Wang, Xiangmin Yu, Jingying Zhao, Xuemei Han, Chunfeng Song, Junfeng Wei, Rui Meng
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Publication number: 20120310025Abstract: A catalyst for synthesizing 1-hexene from ethylene trimerization and its application are provided. Said catalyst consists of (a) the compound containing P and N, (b) electron donor, (c) Cr compound, (d) carrier and (e) accelerator. The molar ratio of (a), (b), (c), (d) and (e) is 0.5-100:0.5-100:1:0.5-10:50-5000. The catalyst is prepared by mixing the components of (a)-(e) in an ethylene trimerization apparatus in situ and ethylene is introduced into the apparatus continuously. The prepared catalyst can be used to synthesize 1-hexene from ethylene trimerization in the inert solvents. The trimerization is performed at 30-150° C. and 0.5-10.0 MPa for 0.1-4 hours. The catalyst has high catalytic activity and high 1-hexene selectivity. During the process of ethylene trimerization, by-product polyethylene does not stick to the apparatus.Type: ApplicationFiled: July 22, 2010Publication date: December 6, 2012Applicant: PETROCHINA COMPANY LIMITEDInventors: Gang Wang, Sihan Wang, Zhonghua Yang, Jiabo Qu, Baojun Zhang, Qian Chen, Deshun Zhang, Libo Wang, Yali Wang, Buwei Yu, Xiuhui Wang, Fuling Huang, Xuemei Han, Dongmei Niu, Shukun Sun, Wenchao Zhang, Hua Li, Gongchen Yan
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Publication number: 20120232321Abstract: A method for synthesis of 1-decene oligomer is provided, wherein 1-decene is polymerized at 80-120° C., 0.8-1.4 MPa in the presence of aluminum trichloride catalyst supported on gamma-alumina and n-hexane solvent where the volume ratio of 1-decene to n-hexane is 3:8-4:1. The catalyst is treated as follows: impregnating gamma-alumina carrier in 0.5-2.0 mol of hydrochloric acid, sulfuric acid, nitric acid or mixtures thereof, then vacuum drying at 80-100° C. and calcining at 400-800° C.; dissolving 5-10 g of anhydrous aluminum trichloride in 100 ml of tetrachloromethane, trichloromethane or dichloromethane solvent; adding the obtained solution into 10-20 g of activated alumina carrier and obtaining the catalyst after vacuum drying. The conversion rate of 1-decene is 50 wt % or more. The oligomer has a kinematic viscosity at 40° C. of 6.0-25 mm2/s and a viscosity index of 160-262.Type: ApplicationFiled: July 22, 2010Publication date: September 13, 2012Applicant: PETROCHINA COMPANY LIMITEDInventors: Fuling Huang, Puke Mi, Sihan Wang, Jinhua Qian, Qian Chen, Sheng Xu, Jianzhong Li, Gang Wang, Baojun Zhang, Min Liu, Guizhi Wang, Xuemei Han, Jiabo Qu, Panfeng Lu, Shukun Sun, Xiuhui Wang, Yuxin Gao, Deshun Zhang, Ling Jiang, Buwei Yu, Libo Wang, Yali Wang, Lingting Fan, Peng Wei, Wei Liu, Guiyue Guo
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Patent number: 7786336Abstract: The present invention relates to a catalyst composition for ethylene oligomerization and the use thereof. Such catalyst composition includes chromium compound, ligand containing P and N, activator and accelerator; wherein the chromium compound is selected from the group consisting of acetyl acetone chromium, THF-chromium chloride and Cr(2-ethylhecanoate)3; general formula of the ligand containing P and N is shown as: in which R1, R2, R3 and R4 are phenyl, benzyl, or naphthyl. R5 is isopropyl, butyl, cyclopropyl, cyclopentyl, cyclohexyl or fluorenyl; the activatior is methyl aluminoxane, ethyl aluminoxane, propyl aluminoxane and/or butyl aluminoxane; the accelerator is selected from the group consisting of 1,1,2,2,-tetrachloroethane, 1,1,2,2-tetrabromoethane, 1,1,2,2-tetrafluoroethane, and compounds having a formula of X1R6X2, in which X1 and X2 are F, Cl, Br, I or alkoxyl, R6 is alkylene or arylene group; the molar ratio of chromium compound, ligand containing P and N, activator and accelerator is 1:0.Type: GrantFiled: March 9, 2007Date of Patent: August 31, 2010Assignee: Petrochina Company LimitedInventors: Baojun Zhang, Tao Jiang, Jianzhong Li, Lihua Xing, Yingnan Ning, Shukun Sun, Dongting Kuang, Yongcheng Sun, Yunguang Han, Qian Chen, Hongxia Chen, Deshun Zhang, Yulong Li, Yongjun Zhang, Huimin Yuan, Sihan Wang, Guizhi Wang, Jingyuan Zhang
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Publication number: 20070232481Abstract: The present invention relates to a catalyst composition for ethylene oligomerization and the use thereof. Such catalyst composition includes chromium compound, ligand containing P and N, activator and accelerator; wherein the chromium compound is selected from the group consisting of acetyl acetone chromium, THF-chromium chloride and/or Cr(2-ethylhecanoate)3; general formula of the ligand containing P and N is shown as: in which R1, R2, R3 and R4 are phenyl, benzyl, or naphthyl. R5 is isopropyl, butyl, cyclopropyl, cyclopentyl, cyclohexyl or fluorenyl; the activatior is methyl aluminoxane, ethyl aluminoxane, propyl aluminoxane and/or butyl aluminoxane; general formula of the accelerator is X1R6X2, in which X1 and X2 are F, Cl, Br, I or alkoxyl, R6 is alkyl or aryl; the molar ratio of a, b, c and d is 1:0.5˜10:50˜3000:0.5˜10.Type: ApplicationFiled: March 9, 2007Publication date: October 4, 2007Inventors: Baojun Zhang, Tao Jiang, Jianzhong Li, Lihua Xing, Yingnan Ning, Shukun Sun, Dongting Kuang, Yongcheng Sun, Yunguang Han, Qian Chen, Hongxia Chen, Deshun Zhang, Yulong Li, Yongjun Zhang, Huimin Yuan, Sihan Wang, Guizhi Wang, Jingyuan Zhang