Patents by Inventor Qinghua Liu
Qinghua 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: 20240377611Abstract: Embodiments of this application provide a camera module and an electronic device. The camera module is configured to be mounted in the electronic device. The camera module includes a bracket, an optical image stabilization motor, an automatic focus motor, a reflecting prism, a camera lens, and a lens holder. The reflecting prism is disposed in the optical image stabilization motor, the camera lens is disposed in the automatic focus motor, and the camera lens is connected to the lens holder. The optical image stabilization motor, the automatic focus motor, and the lens holder are disposed within the bracket and are sequentially arranged in a first direction. The first direction is an optical axis direction of the camera lens, and a plane on which the lens holder is located is disposed perpendicular to the optical axis direction.Type: ApplicationFiled: July 20, 2022Publication date: November 14, 2024Inventors: Qinghua Liu, Zhangcheng Li, Zhanli Sun, Yiqin Wang
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Publication number: 20230357848Abstract: The disclosure provides a primer pair for identifying a gene segment of a male-specific molecular marker of American shad (Alosa sapidissima). The gene segment has a nucleic acid sequence represented by SEQ ID NO: 2, and the primer pair has nucleic acid sequences represented by SEQ ID NO: 3 and SEQ ID NO: 4.Type: ApplicationFiled: January 4, 2023Publication date: November 9, 2023Inventors: Jia DU, Qinghua LIU
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Publication number: 20230246216Abstract: The invention relates to the field of flow batteries, and in particular relates to a neutral zinc iron flow battery and the use thereof. The neutral zinc iron flow battery comprises a negative electrode electrolyte solution and a positive electrode electrolyte solution, wherein a negative electrode electrolyte in the negative electrode electrolyte solution comprises a first ferrous salt and a zinc salt, the molar ratio of the first ferrous salt to the zinc salt is 0.01 to 0.25:1, wherein the first ferrous salt is based on Fe2?, and the zinc salt is based on Zn2+.Type: ApplicationFiled: March 26, 2021Publication date: August 3, 2023Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, National lnstitute of Clean-and-Low-Carbon EnergyInventors: Rui Wang, Zhen Yao, Qinghua Liu
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Publication number: 20230155137Abstract: The present invention relates to the technical field of energy storage. Disclosed in the invention are a composite electrode for a flow cell, a flow cell, and a stack. The composite electrode comprises: a distribution layer, used to distribute an electrolyte; a reaction layer used to receive the electrolyte of the distribution layer and provide an electrochemical reaction site for the electrolyte; and a contact layer, used to reduce the contact resistance of the distribution layer so as to reduce an internal resistance of the flow cell. In the present invention, by means of providing a distribution layer, a reaction layer and a contact layer, an electrochemical reaction site and an electrolyte distribution site of a composite electrode can be effectively separated, the distribution layer being able to greatly reduce dead zones and channeling caused by uneven flow distribution, and the contact layer being able to greatly reduce the internal resistance of the flow cell.Type: ApplicationFiled: March 18, 2021Publication date: May 18, 2023Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW CARBON ENERGYInventors: Yongsheng FAN, Qinghua LIU, Ping MIAO
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Publication number: 20230027104Abstract: A nutritional powder containing oligopeptide includes the following components by weight: oligopeptide powder 55-80%, fruit powder 5-30%, amino acid powder 0.5-5%, multivitamin powder 1.25-5%, mineral powder 0.25-3%, and compound sweetener powder 5-10%.Type: ApplicationFiled: August 25, 2021Publication date: January 26, 2023Inventors: Yuhong ZHENG, Qinghua LIU, Jia DU, Cheng ZHONG, Naomi SUDO
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Patent number: 11411216Abstract: A flow battery field, an electrode slurry, a slurry electrode, a flow battery, and a stack are disclosed. The electrode slurry comprising electrode particles and electrolyte that contains active substance. Based on 100 pbw active substance, the electrode particles are 10-1,000 pbw. The slurry electrode comprises: a bipolar plate, a current collector, and a slurry electrode reservoir configured to store electrode slurry. In the two opposite sides of the bipolar plate, one side is adjacent to the current collector, and the other side is arranged with a slurry electrode cavity, and flow channels are arranged and extended between the bipolar plate and the slurry electrode cavity, so that the electrode slurry is circulated between the slurry electrode cavity and the slurry electrode reservoir. A flow battery that employs the electrode slurry can provide higher and more stable power output under the same current condition and is lower in cost.Type: GrantFiled: November 20, 2018Date of Patent: August 9, 2022Assignees: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Qinghua Liu, John P. Lemmon, Chang Wei, Wenqiang Xu, Yonglong Li, Wenbin Liang
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Publication number: 20220201990Abstract: A device for high density culture of fish larvae includes: a nursery tank, a first aerotube, a standing mesh drain pipe, and a dual-drain recirculating water treatment system. The nursery tank is a rounded corner tank or a polygonal tank without dead corners. The first aerotube is disposed around the bottom of the inner wall of the nursery tank. The standing mesh drain pipe is disposed in the center of the bottom of the nursery tank. The dual-drain recirculating water treatment system includes a first water treatment system and a second water treatment system. The first water treatment system and the second water treatment system are symmetrically disposed on both sides of the nursery tank, respectively. The first water treatment system is configured to purify upper layer water of the nursery tank, and the second water treatment system is configured to purify lower layer water of the nursery tank.Type: ApplicationFiled: November 2, 2021Publication date: June 30, 2022Inventors: Qinghua LIU, Jia DU, Yuhong ZHENG, Han MENG, Naomi SUDO
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Publication number: 20210227808Abstract: A device for fish reproduction, hatching and larval culture including an aeration device, a first netted division plate, a second netted division plate, a first water pump, a first net cage, a second water pump, and a second net cage. When in use, the device is disposed in a pond. The pond includes a breeding area, a hatching area, and a nursery area, and each of the breeding area, the hatching area, and the nursery area communicates with the other two. The first netted division plate is disposed between the breeding area and the hatching area, and a first water recirculating loop is formed between the breeding area and the hatching area to drive water to flow from the breeding area to the hatching area, and back to the breeding area. The second netted division plate is disposed between the hatching area and the nursery area.Type: ApplicationFiled: April 12, 2021Publication date: July 29, 2021Inventors: Qinghua LIU, Naomi SUDO, Han MENG
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Patent number: 10820401Abstract: In some aspects, methods for controlling a plasma arc in a plasma torch of a plasma cutting system in a low operating current mode can include: receiving, by a computing device within the plasma power supply, a command to begin a plasma processing operation; generating a pilot arc command to generate a pilot arc within the plasma torch, the generating of the pilot arc command including directing an electrical signal and a gas flow to the plasma torch, the electrical signal being configured to generate the pilot arc at a current having a first arc amperage magnitude; and generating an operational arc command to facilitate a transition from the pilot arc to an operational plasma arc, the generating of the operational arc command including adjusting the current directed to the plasma torch to be a second arc amperage magnitude that is lower than the first arc amperage magnitude.Type: GrantFiled: August 25, 2017Date of Patent: October 27, 2020Assignee: Hypertherm, Inc.Inventors: Shreyansh Patel, Qinghua Liu, Junsong Mao, Richard Pavlik, Zheng Duan, Bruce P. Altobelli
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Publication number: 20190252677Abstract: A flow battery field, an electrode slurry, a slurry electrode, a flow battery, and a stack are disclosed. The electrode slurry comprising electrode particles and electrolyte that contains active substance. Based on 100 pbw active substance, the electrode particles are 10-1,000 pbw. The slurry electrode comprises: a bipolar plate, a current collector, and a slurry electrode reservoir configured to store electrode slurry. In the two opposite sides of the bipolar plate, one side is adjacent to the current collector, and the other side is arranged with a slurry electrode cavity, and flow channels are arranged and extended between the bipolar plate and the slurry electrode cavity, so that the electrode slurry is circulated between the slurry electrode cavity and the slurry electrode reservoir. A flow battery that employs the electrode slurry can provide higher and more stable power output under the same current condition and is lower in cost.Type: ApplicationFiled: November 20, 2018Publication date: August 15, 2019Applicants: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon EnergyInventors: Qinghua Liu, John P. Lemmon, Chang Wei, Wenqiang Xu, Yonglong Li, Wenbin Liang
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Publication number: 20190045756Abstract: A dark-bright integrated greenhouse system in intensive recirculating eco-aquaculture and aquaculture method thereof. The greenhouse system comprises a bright area and a dark area: the bright area is mainly a water-quality biological purification area, and the dark area is mainly an aquaculture area. The aquaculture method of the present invention is an intensive recirculating eco-aquaculture method, which can improve and regulate the eco-aquaculture environments like illumination and temperature suitable for growth and development according to the requirement of aquaculture species on illumination.Type: ApplicationFiled: October 19, 2018Publication date: February 14, 2019Inventors: Qinghua Liu, Naomi Sudo
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Patent number: 10039178Abstract: A method of determining a failure event of consumable for a plasma torch is provided. The method includes monitoring at least one of an operating current or an operating voltage during a transfer arc mode of the plasma arc torch. The method also includes determining when at least one parameter associated with the operating current or the operating voltage exceeds a tolerance threshold for a time period indicative of the failure event. The method further includes shutting off at least one of the operating current or the operating voltage of the plasma arc torch when the at least one parameter exceeds the tolerance threshold for the time period.Type: GrantFiled: July 15, 2011Date of Patent: July 31, 2018Assignee: Hypertherm, Inc.Inventors: Qinghua Liu, Zheng Duan, Zhang Yu
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Patent number: 9908195Abstract: A plasma cutting system is provided. The system includes a power source configured to generate a plasma arc, and a plasma arc torch connected to the power source for delivering the plasma arc to a workpiece. The plasma arc torch defines a multi-function fluid flow path for sustaining the plasma arc and cooling the plasma arc torch such that the plasma cutting system has a power-to-gas flow ratio of at least 2 kilowatts per cubic feet per minute (KW/cfm). The power-to-gas flow ratio comprises a ratio of power of the generated plasma arc to a total gas flow supplied to the plasma arc torch.Type: GrantFiled: January 30, 2015Date of Patent: March 6, 2018Assignee: Hypertherm, Inc.Inventors: Jesse A. Roberts, Shreyansh Patel, Stephen T. Eickhoff, Justin Gullotta, Qinghua Liu, Dennis M. Borowy, Zheng Duan, Ashok V. Retnaswamy, Sung Je Kim
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Publication number: 20180056430Abstract: In some aspects, methods for controlling a plasma arc in a plasma torch of a plasma cutting system in a low operating current mode can include: receiving, by a computing device within the plasma power supply, a command to begin a plasma processing operation; generating a pilot arc command to generate a pilot arc within the plasma torch, the generating of the pilot arc command including directing an electrical signal and a gas flow to the plasma torch, the electrical signal being configured to generate the pilot arc at a current having a first arc amperage magnitude; and generating an operational arc command to facilitate a transition from the pilot arc to an operational plasma arc, the generating of the operational arc command including adjusting the current directed to the plasma torch to be a second arc amperage magnitude that is lower than the first arc amperage magnitude.Type: ApplicationFiled: August 25, 2017Publication date: March 1, 2018Inventors: Shreyansh Patel, Qinghua Liu, Junsong Mao, Richard Pavlik, Zheng Duan, Bruce P. Altobelli
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Patent number: 9882778Abstract: The present application provides a remote electrical tilt antenna management apparatus, system, and method, a remote controller, and a base station. The method includes: obtaining, by a remote control unit RCU, a first permission configuration file, where the first permission configuration file includes information about a first permission of a first base station to perform an operation on a first remote electrical tilt RET unit, and the first permission includes at least query or control; and configuring, by the RCU according to the first permission configuration file, the first permission of the first base station to perform an operation on the first RET. In this way, the first base station implements configuration of a management operation on the first RET, thereby implementing, by configuring different permission configuration files on the RCU, that a same base station manages different RETs, and further improving operability of managing a RET.Type: GrantFiled: September 9, 2016Date of Patent: January 30, 2018Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Qinghua Liu, Yong Zhang, Weiren Qu
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Publication number: 20160380821Abstract: The present application provides a remote electrical tilt antenna management apparatus, system, and method, a remote controller, and a base station. The method includes: obtaining, by a remote control unit RCU, a first permission configuration file, where the first permission configuration file includes information about a first permission of a first base station to perform an operation on a first remote electrical tilt RET unit, and the first permission includes at least query or control; and configuring, by the RCU according to the first permission configuration file, the first permission of the first base station to perform an operation on the first RET. In this way, the first base station implements configuration of a management operation on the first RET, thereby implementing, by configuring different permission configuration files on the RCU, that a same base station manages different RETs, and further improving operability of managing a RET.Type: ApplicationFiled: September 9, 2016Publication date: December 29, 2016Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Qinghua LIU, Yong Zhang, Weiren Qu
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Patent number: 9510436Abstract: In some aspects, plasma torch cutting systems can include a housing and a plasma torch power supply within the housing and configured to generate a signal that initiates generation of a plasma arc in a torch head, the power supply including an integrated circuit comprising a plurality of electronic components used to generate the signal that initiates generation of the plasma arc, at least one of the electronic components being at least partially formed of a wide bandgap semiconductor material.Type: GrantFiled: March 31, 2015Date of Patent: November 29, 2016Assignee: Hypertherm, Inc.Inventors: Dennis M. Borowy, Qinghua Liu, Yu Zhang, Girish R. Kamath, Michael Hoffa
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Patent number: 9226911Abstract: A method of reducing a weight of a subject includes administering to the subject in need thereof a composition comprised of fucoxanthin extract and at least one selected from the group consisting of tocotrienol, fucoidan and a combination thereof, wherein the subject is a mammal.Type: GrantFiled: March 18, 2013Date of Patent: January 5, 2016Assignee: BEIJING GINGKO GROUP BIOLOGICAL TECHNOLOGY CO., LTD.Inventors: Yanmei Li, Qinghua Liu
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Publication number: 20150343554Abstract: A plasma cutting system is provided. The system includes a power source configured to generate a plasma arc, and a plasma arc torch connected to the power source for delivering the plasma arc to a workpiece. The plasma arc torch defines a multi-function fluid flow path for sustaining the plasma arc and cooling the plasma arc torch such that the plasma cutting system has a power-to-gas flow ratio of at least 2 kilowatts per cubic feet per minute (KW/cfm). The power-to-gas flow ratio comprises a ratio of power of the generated plasma arc to a total gas flow supplied to the plasma arc torch.Type: ApplicationFiled: January 30, 2015Publication date: December 3, 2015Inventors: Jesse A. Roberts, Shreyansh Patel, Stephen T. Eickhoff, Justin Gullotta, Qinghua Liu, Dennis M. Borowy, Zheng Duan, Ashok V. Retnaswamy, Sung Je Kim
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Patent number: D1073650Type: GrantFiled: November 26, 2024Date of Patent: May 6, 2025Assignee: Wuhan Qiandiancheng Network Technology Co., LtdInventor: Qinghua Liu