Patents by Inventor Qiong Zhou
Qiong Zhou 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: 10405431Abstract: A flexible printed circuit board with reduced ion migration from signal-carrying elements which are coated against corrosion includes an insulating layer, a wiring area, a copper electroplating layer, a nickel electroplating layer, a cover film, and a gold chemical-plating layer. The wiring area is formed on the insulating layer. The copper electroplating layer formed on the wiring area has a first portion and a second portion. The nickel electroplating layer is formed on at least the first portion and exposes sidewalls of the first portion. The cover film is formed on the second portion and fills in gaps of the copper electroplating layer. The gold chemical-plating layer is formed on top surface of the nickel electroplating layer and the sidewalls of the first portion.Type: GrantFiled: September 5, 2018Date of Patent: September 3, 2019Assignees: Avary Holding (Shenzhen) CO., Limited., HongQiSheng Precision Electronics (QinHuangDao) Co., Ltd.Inventors: Lei Zhou, Rui-Wu Liu, Qiong Zhou
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Publication number: 20190194402Abstract: The present invention provides a liquid antioxidant composition used for raw rubbers comprising 5% to 30% by weight of at least one aromatic amine-based antioxidant agent, 20% to 70% by weight of at least one hindered phenol-based antioxidant agent, 0% to 40% by weight of at least one phosphite-based antioxidant agent; and 20% to 40% by weight of at least one solvent having boiling point higher than 185° C. and freezing point lower than ?10° C. under 101.325 KPa, the weight percentage of component a), b), c) or d) is based on the total weight of antioxidant composition, wherein the mixture of component a), b) and c) is liquid at 25° C. under 101.325 KPa. The present invention also provides a liquid antioxidant composition comprising 5% to 20% by weight of solid aromatic amine-based antioxidant agent, 20% to 50% by weight of solid hindered phenol-based antioxidant agent, 0% to 30% by weight of solid phosphite-based antioxidant agent and 30% to 40% by weight of solvent having boiling point higher than 185° C.Type: ApplicationFiled: August 21, 2017Publication date: June 27, 2019Applicant: BASF SEInventors: Yi Qiong ZHOU, Chang Liang FAN, Guo Liang YUAN, Zhong Yi ZHOU
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Patent number: 10287520Abstract: A system including a quench system that may cool a syngas generated in a gasification chamber. The quench system includes a quench chamber, a dip tube that may direct the syngas from the gasification chamber into a quench liquid in the quench chamber to cool the syngas and to generate a first cooled syngas, and a draft tube disposed circumferentially about the dip tube and configured to receive the first cooled syngas in a first direction along a first passage. The first passage is disposed between a first wall of the dip tube and a second wall of the draft tube. The quench system also includes a droplet tube that may receive the first cooled syngas from the first passage. The droplet tube includes a third wall that may redirect a flow of the first cooled syngas in a second direction different from the first direction.Type: GrantFiled: February 9, 2017Date of Patent: May 14, 2019Assignee: General Electric CompanyInventors: Qiong Zhou, Yichuan Fang
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Patent number: 10234210Abstract: A system includes a radiant syngas cooler which receives and cools syngas generated in a gasifier. The radiant syngas cooler includes an outer shell of the radiant syngas cooler defining an annular space of the radiant syngas cooler and a heat exchange tube of the radiant syngas cooler positioned within the annular space and configured to flow a cooling medium. The heat exchange tube is configured to enable heat exchange between the syngas and the cooling medium to cool the syngas. The radiant syngas cooler includes a downcomer tube of the radiant syngas cooler which supplies the cooling medium to the heat exchange tube, where the downcomer tube includes a downflow portion positioned outside of the annular space of the radiant syngas cooler. The downflow portion is fluidly coupled to a header, and the header fluidly couples the downcomer tube to the heat exchange tube.Type: GrantFiled: August 24, 2016Date of Patent: March 19, 2019Assignee: General Electric CompanyInventors: Pallab Karmakar, Lien-Yan Chen, Qiong Zhou
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Patent number: 10221067Abstract: A syngas cooler is configured to cool a syngas. The syngas cooler includes a superheater heat exchanger, which further includes a first header configured to receive saturated steam, a second header configured to discharge superheated steam, and a first group of tubes directly coupled to and vertically extending between the first and second headers. Each tube of the first group of tubes includes an outer surface that interfaces with the syngas and a respective length between the first and second headers, and each tube of the first group of tubes does not contact another tube along the respective length to enable a flow of the syngas around each tube's outer surface along its respective length and between each tube.Type: GrantFiled: January 4, 2017Date of Patent: March 5, 2019Assignee: General Electric CompanyInventors: Lien-Yan Chen, Qiong Zhou, Rajeshwar Sripada
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Publication number: 20180368265Abstract: A flexible printed circuit board with reduced ion migration from signal-carrying elements which are coated against corrosion includes an insulating layer, a wiring area, a copper electroplating layer, a nickel electroplating layer, a cover film, and a gold chemical-plating layer. The wiring area is formed on the insulating layer. The copper electroplating layer formed on the wiring area has a first portion and a second portion. The nickel electroplating layer is formed on at least the first portion and exposes sidewalls of the first portion. The cover film is formed on the second portion and fills in gaps of the copper electroplating layer. The gold chemical-plating layer is formed on top surface of the nickel electroplating layer and the sidewalls of the first portion.Type: ApplicationFiled: September 5, 2018Publication date: December 20, 2018Applicants: Avary Holding (Shenzhen) Co., Limited., HongQiSheng Precision Electronics (QinHuangDao) Co .,Ltd.Inventors: LEI ZHOU, RUI-WU LIU, QIONG ZHOU
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Publication number: 20180310412Abstract: A flexible printed circuit board with reduced ion migration from signal-carrying elements which are coated against corrosion includes an insulating layer, a wiring area, a copper electroplating layer, a nickel electroplating layer, a cover film, and a gold chemical-plating layer. The wiring area is formed on the insulating layer. The copper electroplating layer formed on the wiring area has a first portion and a second portion. The nickel electroplating layer is formed on at least the first portion and exposes sidewalls of the first portion. The cover film is formed on the second portion and fills in gaps of the copper electroplating layer. The gold chemical-plating layer is formed on top surface of the nickel electroplating layer and the sidewalls of the first portion.Type: ApplicationFiled: May 31, 2017Publication date: October 25, 2018Inventors: LEI ZHOU, RUI-WU LIU, QIONG ZHOU
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Patent number: 10111336Abstract: A flexible printed circuit board with reduced ion migration from signal-carrying elements which are coated against corrosion includes an insulating layer, a wiring area, a copper electroplating layer, a nickel electroplating layer, a cover film, and a gold chemical-plating layer. The wiring area is formed on the insulating layer. The copper electroplating layer formed on the wiring area has a first portion and a second portion. The nickel electroplating layer is formed on at least the first portion and exposes sidewalls of the first portion. The cover film is formed on the second portion and fills in gaps of the copper electroplating layer. The gold chemical-plating layer is formed on top surface of the nickel electroplating layer and the sidewalls of the first portion.Type: GrantFiled: May 31, 2017Date of Patent: October 23, 2018Assignees: Avary Holding (Shenzhen) Co., Limited., HongQiSheng Precision Electronics (QinHuangDao) CoInventors: Lei Zhou, Rui-Wu Liu, Qiong Zhou
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Publication number: 20180223200Abstract: A system including a quench system that may cool a syngas generated in a gasification chamber. The quench system includes a quench chamber, a dip tube that may direct the syngas from the gasification chamber into a quench liquid in the quench chamber to cool the syngas and to generate a first cooled syngas, and a draft tube disposed circumferentially about the dip tube and configured to receive the first cooled syngas in a first direction along a first passage. The first passage is disposed between a first wall of the dip tube and a second wall of the draft tube. The quench system also includes a droplet tube that may receive the first cooled syngas from the first passage. The droplet tube includes a third wall that may redirect a flow of the first cooled syngas in a second direction different from the first direction.Type: ApplicationFiled: February 9, 2017Publication date: August 9, 2018Inventors: Qiong Zhou, Yichuan Fang
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Publication number: 20180187108Abstract: A syngas cooler is configured to cool a syngas. The syngas cooler includes a superheater heat exchanger, which further includes a first header configured to receive saturated steam, a second header configured to discharge superheated steam, and a first group of tubes directly coupled to and vertically extending between the first and second headers. Each tube of the first group of tubes includes an outer surface that interfaces with the syngas and a respective length between the first and second headers, and each tube of the first group of tubes does not contact another tube along the respective length to enable a flow of the syngas around each tube's outer surface along its respective length and between each tube.Type: ApplicationFiled: January 4, 2017Publication date: July 5, 2018Inventors: Lien-Yan Chen, Qiong Zhou, Rajeshwar Sripada
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Publication number: 20180058762Abstract: A system includes a radiant syngas cooler which receives and cools syngas generated in a gasifier. The radiant syngas cooler includes an outer shell of the radiant syngas cooler defining an annular space of the radiant syngas cooler and a heat exchange tube of the radiant syngas cooler positioned within the annular space and configured to flow a cooling medium. The heat exchange tube is configured to enable heat exchange between the syngas and the cooling medium to cool the syngas. The radiant syngas cooler includes a downcomer tube of the radiant syngas cooler which supplies the cooling medium to the heat exchange tube, where the downcomer tube includes a downflow portion positioned outside of the annular space of the radiant syngas cooler. The downflow portion is fluidly coupled to a header, and the header fluidly couples the downcomer tube to the heat exchange tube.Type: ApplicationFiled: August 24, 2016Publication date: March 1, 2018Inventors: Pallab Karmakar, Lien-Yan Chen, Qiong Zhou
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Patent number: 9868856Abstract: A mineral-compatible cationic emulsion composition with polymer stabilizers, and methods for utilizing same in paving and other applications is disclosed. In one aspect, a bitumen-in-water emulsion composition includes at least one bitumen material, at least one polymer stabilizer, at least one emulsifier, and water, where the emulsifier is a cationic surfactant, an amphoteric surfactant, or a mixture of both, and the polymer stabilizer is a natural or synthetic cationic polymer consisting of alkylene polyamines, alkyl polyamines, polyquaternary polymers, polyvinylamine, polyvinylimidazoline, polyester polyquaternary polymers, polyether polyquaternary polymers, or mixtures thereof. The inclusion of polymer stabilizer in the cationic emulsion increases the stability of the emulsion and increases the compatibility of the cationic emulsion with negatively charged minerals.Type: GrantFiled: December 2, 2015Date of Patent: January 16, 2018Assignee: Akzo Nobel Chemicals International B.V.Inventors: Ralph Franklin, Qiong Zhou
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Patent number: 9803260Abstract: A process for recovery of precious metals from ores or concentrates containing refractory carbonaceous material by cyanidation leaching. The process involves addition to the ores or concentrates at least one cationic surfactant before or during the addition of cyanide-containing solution. The agent enables the recovery of precious metals by cyanidation from high preg-robbing carbonaceous ores and improves the recovery of precious metals by cyanidation from medium to low preg-robbing carbonaceous ores. The agent also prevents froth and foaming formation during the cyanidation process.Type: GrantFiled: April 17, 2014Date of Patent: October 31, 2017Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Qiong Zhou, Junhua Jiang, Yeonuk Choi
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Publication number: 20170267865Abstract: A mineral-compatible cationic emulsion composition with polymer stabilizers, and methods for utilizing same in paving and other applications is disclosed. In one aspect, a bitumen-in-water emulsion composition includes at least one bitumen material, at least one polymer stabilizer, at least one emulsifier, and water, where the emulsifier is a cationic surfactant, an amphoteric surfactant, or a mixture of both, and the polymer stabilizer is a natural or synthetic cationic polymer consisting of alkylene polyamines, alkyl polyamines, polyquaternary polymers, polyvinylamine, polyvinylimidazoline, polyester polyquaternary polymers, polyether polyquaternary polymers, or mixtures thereof. The inclusion of polymer stabilizer in the cationic emulsion increases the stability of the emulsion and increases the compatibility of the cationic emulsion with negatively charged minerals.Type: ApplicationFiled: December 2, 2015Publication date: September 21, 2017Inventors: Ralph FRANKLIN, Qiong ZHOU
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Patent number: 9745480Abstract: A method renders the surface of bitumen materials to be non-tacky, and minimize or eliminate the loss of the bitumen materials to traffic. The method may also be used on top of prime coat and fog seal, to reduce tackiness of bitumen materials from cured bitumen emulsions, and to decrease unnecessary and unwanted tracking by passing traffic.Type: GrantFiled: June 11, 2015Date of Patent: August 29, 2017Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: Qiong Zhou, Alan Duncan James, Ralph Franklin, Christine Cornelia Gorsuch
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Publication number: 20170073531Abstract: The method according to the present invention renders the surface of bitumen materials to be non-tacky, and minimize or eliminate the loss of the bitumen materials to traffic. The method according to the present invention may also be used on top of prime coat and fog seal, to reduce tackiness of bitumen materials from cured bitumen emulsions, and to decrease unnecessary and unwanted tracking by passing traffic.Type: ApplicationFiled: June 11, 2015Publication date: March 16, 2017Inventors: Qiong Zhou, Alan Duncan James, Ralph Franklin, Christine Cornelia Gorsuch
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Publication number: 20160024613Abstract: A process for recovery of precious metals from ores or concentrates containing refractory carbonaceous material by cyanidation leaching. The process involves addition to the ores or concentrates at least one cationic surfactant before or during the addition of cyanide-containing solution. The agent enables the recovery of precious metals by cyanidation from high preg-robbing carbonaceous ores and improves the recovery of precious metals by cyanidation from medium to low preg-robbing carbonaceous ores. The agent also prevents froth and foaming formation during the cyanidation process.Type: ApplicationFiled: April 17, 2014Publication date: January 28, 2016Applicant: Akzo Nobel Chemicals International B.V.Inventors: Qiong Zhou, Junhua Jiang, Yeonuk Choi
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Patent number: 9003796Abstract: A system includes a heat exchanger and an organic Rankine cycle system. The heat exchanger is configured to exchange heat between extraction air from a power block and nitrogen from an air separation unit. The organic Rankine cycle system is coupled to the heat exchanger. In addition, the organic Rankine cycle system is configured to convert heat from the extraction air into work.Type: GrantFiled: June 5, 2012Date of Patent: April 14, 2015Assignee: General Electric CompanyInventors: Qiong Zhou, Deila Peng, Arnaldo Frydman, Thomas Glen Cobb
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Patent number: 8951313Abstract: The present application thus provides a gasifier cooling system for cooling a flow of hot syngas from a gasifier. The gasifier cooling system may include a radiant syngas cooler, a quench chamber, and a convective syngas cooler such that the flow of syngas flows through the quench chamber or the convective syngas cooler.Type: GrantFiled: March 28, 2012Date of Patent: February 10, 2015Assignee: General Electric CompanyInventors: Qiong Zhou, Wei Chen, Thomas Glen Cobb, Jennifer Lucia Ramirez, Hsien-Chin William Yen
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Patent number: 8631660Abstract: The present application and the resultant patent provide an integrated gasification combined cycle system. The integrated gasification combined cycle system may include a gas turbine engine, one or more power plant components, one or more carbon dioxide compressors, and a vapor absorption chiller. The vapor absorption chiller is driven by a waste heat source flow from the carbon dioxide compressors to produce a chilling medium flow to cool the power plant components.Type: GrantFiled: March 23, 2011Date of Patent: January 21, 2014Assignee: General Electric CompanyInventors: Bhaskar Pemmi, Anil Kumar Sharma, Rajarshi Saha, Indrajit Mazumder, Qiong Zhou, Christopher Michael Robbins, Paul Roberts Scarboro, Ann Verwilst Driscoll