Patents by Inventor Quan XU
Quan XU 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: 8728628Abstract: The present invention provides a passivant for hot-dip Al—Zn-coated sheet of which the raw materials include: 2˜6 parts by weight of water soluble molybdate, 4˜12 parts by weight of water soluble manganese salt, 50˜100 parts by weight of basic silica sol and 50˜100 parts by weight of water soluble organic resin. The present invention also provides a method to prepare the passivant for hot-dip Al—Zn-coated sheet including the following steps: adding and dissolving water soluble molybdate and water soluble manganese salt into deionized water; adding basic silica sol into the solution and mixing well; adding water soluble organic resin into the solution and mixing well; regulating the pH value of the solution to 5˜8 by using phosphoric acid. The present invention also provides a hot-dip Al—Zn-coated sheet treated with the present passivant and a method to passivate hot-dip Al—Zn-coated sheet.Type: GrantFiled: April 7, 2010Date of Patent: May 20, 2014Assignees: Pangang Group Steel Vanadium and Titanium Co., Ltd., Pangang Group Research Institute Co., Ltd., Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.Inventors: Ping Yuan, Taixiong Guo, Quan Xu, Dan Yu, Yong Zhang, Zhefeng Xu, Yilin Zhou
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Publication number: 20130193223Abstract: The present discloses a steel rail for high speed and quasi-high speed railways and a manufacturing method thereof. The steel rail having a superior rolling contact fatigue property can be obtained by reducing content of carbon in conjunction with controlled cooling after rolling. The steel rail includes 0.40-0.64% by weight of C, 0.10-1.00% by weight of Si, 0.30-1.50% by weight of Mn, less than or equal to 0.025% by weight of P, less than or equal to 0.025% by weight of S, less than or equal to 0.005% by weight of Al, more than 0 and less than or equal to 0.05% by weight of a rare earth element, more than 0 and less than or equal to 0.20% by weight of at least one of V, Cr, and Ti, and a remainder of Fe and inevitable impurities.Type: ApplicationFiled: September 2, 2011Publication date: August 1, 2013Applicant: Pangang Group Panzhihua Steel & Vanadium Co. LtdInventors: Dongsheng Mei, Ming Zou, Zhenyu Han, Quan Xu, Hua Guo, Yong Deng, Dadong Li, Li Tang, Yun Zhao, Jianhua Liu
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Publication number: 20130078456Abstract: A metal protective coating is provided, which is obtained by mixing homogeneously a raw mixture, which contains water soluble silicate, promoter, silane coupling agent, silicon oxide packing, water soluble film formation resin, and water; wherein, the promoter is at least one selected from the group consisting of methyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, carboxymethyl-hydroxyethyl cellulose, and their soluble salts; the silane coupling agent contains a first silane derivative shown in formula (1), wherein, R1, R2, and R3 are methoxyl or ethyoxyl respectively, and n is an integer with the range of 1-4. A hot-dip Zn metallic material and a hot-dip Al—Zn alloy metallic material are further provided. The protective film formed by the metal protective coating as provided has outstanding corrosion resistance, water resistance, thermal resistance, and fingerprint resistance properties.Type: ApplicationFiled: September 14, 2012Publication date: March 28, 2013Applicant: PanGang Group Panzhihua Iron & Steel Research Institute Co., Ltd.Inventors: Zhefeng Xu, Dongsheng Mei, Yong Chen, Quan Xu, Yan Lou, Yilin Zhou
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Patent number: 8250740Abstract: In a method for making an inspection fixture, a detachable mold assembly and a hardenable fluid are firstly prepared. Secondly, the hardenable fluid is poured into the mold assembly, and a plurality of molding pins are inserted into the mold assembly. Thirdly, a main body with a plurality of positioning holes corresponding to the molding pins (i.e., the locations thereof) are formed in the mold after the hardenable fluid hardens. Fourthly, the mold assembly is detached, and the part is removed from the mold. Finally, a plurality of positioning pins is mounted into the positioning holes of the molded part, the positioning holes having remained upon removal of the molding pins.Type: GrantFiled: March 3, 2011Date of Patent: August 28, 2012Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Ping Chen, Lei Li, Yan-Hua Xing, Wen-Quan Xu, Chang-Fa Sun, Lin-Sen Dong
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Publication number: 20120174175Abstract: The present invention provides a method for recording programs, a multimedia system and a network side device. The multimedia system includes a network side device and a plurality of nodes, wherein the network side device is configured to generate a recording task after receiving a recording request, and send in advance the recording task to each node in which a channel specified in the recording task is stored, and the nodes are configured to record a program on the channel specified in the recording task after receiving the recording task, and return recording result information to the network side device. According to the recording method of the present invention, when the recording is failed, inter-node mutual reconstruction and complementary recording can be performed, which greatly decreases the possibility of failure in the recording of the program, and provides the quality of service of more fluent TVOD for users.Type: ApplicationFiled: June 22, 2010Publication date: July 5, 2012Applicant: ZTE CORPORATIONInventors: Quan Xu, Yinlong Wang, Qin Xiong, Dechao Wang, Zhongcheng Ma
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Publication number: 20120135267Abstract: The present invention provides a passivant for hot-dip Al—Zn-coated sheet of which the raw materials include: 2˜6 parts by weight of water soluble molybdate, 4˜12 parts by weight of water soluble manganese salt, 50˜100 parts by weight of basic silica sol and 50˜100 parts by weight of water soluble organic resin. The present invention also provides a method to prepare the passivant for hot-dip Al—Zn-coated sheet including the following steps: adding and dissolving water soluble molybdate and water soluble manganese salt into deionized water; adding basic silica sol into the solution and mixing well; adding water soluble organic resin into the solution and mixing well; regulating the pH value of the solution to 5˜8 by using phosphoric acid. The present invention also provides a hot-dip Al—Zn-coated sheet treated with the present passivant and a method to passivate hot-dip Al—Zn-coated sheet.Type: ApplicationFiled: April 7, 2010Publication date: May 31, 2012Inventors: Ping Yuan, Taixiong Guo, Quan Xu, Dan Yu, Yong Zhang, Zhefeng Xu, Yilin Zhou
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Publication number: 20120052312Abstract: A coating composition is provided, the starting materials of which comprise nano SiO2, film-forming substance, film-forming aid, accelerator, acid, and water. The composition has pH of 3-9. A passivated zinc-plated material is also provided. The zinc-plated material comprises zinc-plated substrate and passivated coat adhered to the surface of the zinc-plated substrate, wherein the passivated coat is formed by curing the coating composition. The coating composition can impart to the zinc-plated material excellent corrosion resistance, water resistance, high temperature resistance, surface conductivity, and adhesion to the zinc-plated substrate. Additionally, the coating composition contains no Cr6+, and satisfies the requirement of EU RoHS Directive.Type: ApplicationFiled: November 26, 2009Publication date: March 1, 2012Applicants: Pangang Group Steel Vanadium and Titanium Co., Ltd, Pangang Group Research Institute Co., Ltd., Pangang Group Company Ltd., Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.Inventors: Zhefeng Xu, Dongsheng Mei, Taixiong Guo, Quan Xu, Yong Chen, Xingde Cheng, Guoan Li, Aiping Zhang
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Publication number: 20110256420Abstract: The invention provides a hot-dip galvanized steel plate with high adhesion between a plating layer and base steel, and belongs to the field of manufacturing hot-dip galvanized steel plates. Atomic concentration ratio Al/Zn of Al and Zn in a Fe-Al intermediate transition layer between a base steel and a plating layer of the hot-dip galvanized steel plate is 0.9-1.2. The plating layer did not have ? phase, but has relatively thin ? phase and little ? phase. The plating layer mostly consists of ? phase, thus obviously improving adhesion, scratch resistance and wear resistance of the plating layer.Type: ApplicationFiled: July 30, 2009Publication date: October 20, 2011Applicants: PANGANG GROUP STEEL VANADIUM & TITANIUM CO., LTD., PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD., PANGANG GROUP RESEARCH INSTITUTE CO., LTD.Inventors: Wei Li, Quan Xu, Taixiong Guo, Zhiwang Zheng, Dan Yu, Yilin Zhou
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Publication number: 20110253268Abstract: A high carbon content and high strength heat-treated steel rail including by weight 0.80-1.20% carbon, 0.20-1.20% silicon, 0.20-1.60% manganese, 0.15-1.20% chromium, 0.01-0.20% vanadium, 0.002-0.050% titanium, less than or equal to 0.030% phosphorus, less than or equal to 0.030% sulfur, less than or equal to 0.010% aluminum, less than or equal to 0.0100% nitrogen, and iron. The steel rail has excellent wear resistance and plasticity and can satisfy the requirement for overloading. A method for producing the steal rail by heating a slab to a heating temperature, multi-pass rolling, and accelerated cooling, wherein a maximum heating temperature (° C.) of said slab is equal to 1,400 minus 100[% C], [% C] representing the carbon content (wt. %) of said slab multiplied by 100.Type: ApplicationFiled: November 23, 2010Publication date: October 20, 2011Applicants: PANGANG GROUP CO., LTD., PANGANG GROUP PANZHIHUA STEEL & VANADIUM CO., LTD., PANGANG GROUP RESEARCH INSTITUTE CO., LTD.Inventors: Ming ZOU, Dongsheng MEI, Quan XU, Yong DENG, Hua GUO, Ming LIU, Li TANG, Yun ZHAO, Gongming TAO
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Patent number: 7968305Abstract: The present invention recognizes that the determination of ion transport function or property using direct detection methods, such as patch-clamps, whole cell recording or single channel recording, are preferable to methods that utilize indirect detection methods, such as FRET based detection system. The present invention provides biochips and methods of use that allow for the direct analysis of ion transport function or property using microfabricated structures that can allow for automated detection of ion transport function or property. These biochips and methods of use thereof are particularly appropriate for automating the detection of ion transport function or property, particularly for screening purposes.Type: GrantFiled: March 22, 2002Date of Patent: June 28, 2011Assignee: Aviva Biosciences CorporationInventors: Xiaobo Wang, Lei Wu, Jun Quan Xu, Ming Xiang Huang, Weiping Yang, Jing Cheng, Jia Xu
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Publication number: 20110147565Abstract: In a method for making an inspection fixture, a detachable mold assembly and a hardenable fluid are firstly prepared. Secondly, the hardenable fluid is poured into the mold assembly, and a plurality of molding pins are inserted into the mold assembly. Thirdly, a main body with a plurality of positioning holes corresponding to the molding pins (i.e., the locations thereof) are formed in the mold after the hardenable fluid hardens. Fourthly, the mold assembly is detached, and the part is removed from the mold. Finally, a plurality of positioning pins is mounted into the positioning holes of the molded part, the positioning holes having remained upon removal of the molding pins.Type: ApplicationFiled: March 3, 2011Publication date: June 23, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: PING CHEN, LEI LI, YAN-HUA XING, WEN-QUAN XU, CHANG-FA SUN, LIN-SEN DONG
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Patent number: 7950130Abstract: In a method for making an inspection fixture, a detachable mold assembly (20) and a hardenable fluid are firstly prepared. Secondly, the hardenable fluid is poured into the mold assembly, and a plurality of molding pins (23) are inserted into the mold assembly. Thirdly, a main body (21) with a plurality of positioning holes (2122) corresponding to the molding pins (i.e., the locations thereof) are formed in the mold after the hardenable fluid hardens. Fourthly, the mold assembly is detached, and the part is removed from the mold. Finally, a plurality of positioning pins is mounted into the positioning holes of the molded part, the positioning holes having remained upon removal of the molding pins.Type: GrantFiled: December 13, 2006Date of Patent: May 31, 2011Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Ping Chen, Lei Li, Yan-Hua Xing, Wen-Quan Xu, Chang-Fa Sun, Lin-Sen Dong
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Patent number: 7663359Abstract: An exemplary testing mechanism (100) is used for testing for a sufficiency of a casing 90. The testing mechanism includes a framework (20) and a testing module (40). The framework includes a base board (21) and a pillar (26). One end of the pillar is mounted on the base board. The testing module includes a main board (42) and at least one testing pin (44). The main board is slidably mounted on the pillar. A bottom end of the testing pin is slidably mounted to the main board. A top end of the testing pin is positioned adjacent to the base board of the framework. The at least one testing pin is located in a position corresponding to at least one mounting hole of a sufficient casing.Type: GrantFiled: March 6, 2007Date of Patent: February 16, 2010Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Lei Li, Ping Chen, Wen-Quan Xu, Zhi Cheng, Chang-Fa Sun, Xue-Liang Zhai, Lin-Sen Dong
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Publication number: 20070294899Abstract: An exemplary testing mechanism (100) is used for testing for a sufficiency of a casing 90. The testing mechanism includes a framework (20) and a testing module (40). The framework includes a base board (21) and a pillar (26). One end of the pillar is mounted on the base board. The testing module includes a main board (42) and at least one testing pin (44). The main board is slidably mounted on the pillar. A bottom end of the testing pin is slidably mounted to the main board. A top end of the testing pin is positioned adjacent to the base board of the framework. The at least one testing pin is located in a position corresponding to at least one mounting hole of a sufficient casing.Type: ApplicationFiled: March 6, 2007Publication date: December 27, 2007Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRIAL CO,.LTD., SUTECH TRADING LIMITEDInventors: LEI LI, PING CHEN, WEN-QUAN XU, ZHI CHENG, CHANG-FA SUN, XUE-LIANG ZHAI, LIN-SEN DONG
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Publication number: 20070255673Abstract: A method for judging standardization order of workpieces includes steps as follows: sampling different types of workpieces, and recording parameters of the samples; transforming the parameters of the respective samples into a plurality of respective standardization grades S for evaluating standardization order of the workpieces; and arranging a standardization order of the workpieces according to their respective standardization grades S.Type: ApplicationFiled: December 20, 2006Publication date: November 1, 2007Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRIAL CO,.LTD., Sutech Trading LimitedInventors: Ping Chen, Lei Li, Wen-Quan Xu, Zhi Cheng, Chang-Fa Sun, Qian Chen
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Publication number: 20070222115Abstract: In a method for making an inspection fixture, a detachable mold assembly (20) and a hardenable fluid are firstly prepared. Secondly, the hardenable fluid is poured into the mold assembly, and a plurality of molding pins (23) are inserted into the mold assembly. Thirdly, a main body (21) with a plurality of positioning holes (2122) corresponding to the molding pins (i.e., the locations thereof) are formed in the mold after the hardenable fluid hardens. Fourthly, the mold assembly is detached, and the part is removed from the mold. Finally, a plurality of positioning pins is mounted into the positioning holes of the molded part, the positioning holes having remained upon removal of the molding pins.Type: ApplicationFiled: December 13, 2006Publication date: September 27, 2007Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRIAL CO,.LTD., SUTECH TRADING LIMITEDInventors: PING CHEN, LEI LI, YAN-HUA XING, WEN-QUAN XU, CHANG-FA SUN, LIN-SEN DONG
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Publication number: 20020182627Abstract: The present invention recognizes that the determination of ion transport function or property using direct detection methods, such as patch-clamps, whole cell recording or single channel recording, are preferable to methods that utilize indirect detection methods, such as FRET based detection system. The present invention provides biochips and methods of use that allow for the direct analysis of ion transport function or property using microfabricated structures that can allow for automated detection of ion transport function or property. These biochips and methods of use thereof are particularly appropriate for automating the detection of ion transport function or property, particularly for screening purposes.Type: ApplicationFiled: March 22, 2002Publication date: December 5, 2002Inventors: Xiaobo Wang, Lei Wu, Jun Quan Xu, Ming Xiang Huang, Weiping Yang, Jing Cheng, Jia Xu