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).

  • Publication number: 20250115079
    Abstract: A non-pneumatic hollow tire includes a tire body, a spiral channel is defined in the tire body, the spiral channel is through from a head end to a tail end. The manufacturing method of the non-pneumatic hollow tire with this structure includes: winding a strip with through hole in a stacked manner in a plurality of layers to form a structure in the tire cavity, then curing it to complete the non-pneumatic hollow tire.
    Type: Application
    Filed: January 24, 2024
    Publication date: April 10, 2025
    Inventors: Peng GENG, Qinghua ZHANG, Chuan LIU, Guili XIE
  • Patent number: 12252641
    Abstract: The present disclosure belongs to the technical field of nanomaterial synthesis, and in particular, to a preparation method for a core-shell structure quantum dot. The preparation method provided by the present disclosure includes the following steps: in a protective gas atmosphere, mixing a cadmium source, an organic ligand, and an organic solvent with a first selenium source for a nucleation reaction to obtain an organic solution of a CdSe quantum dot core; and mixing the organic solution of the CdSe quantum dot core, a zinc source and an inorganic anion source for shell coating to obtain the core-shell structure quantum dot, where the inorganic anion source includes a second selenium source.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: March 18, 2025
    Assignee: Lingnan Normal University
    Inventors: Qinghua Li, Lingfeng Wang, Xuping Liu, Xiao Jin, Dongyu Li, Deng Wang, Jingke Bai, Bing Xu
  • Publication number: 20250077748
    Abstract: A method of intelligent prediction of coal stress and different diameters pressure relief based on optimization neural network collects the drilling parameters while drilling the pressure-relief boreholes at one working face and to obtain the stress values using the accompanying boreholes of the pressure-relief boreholes to construct the prediction model; in this way, the prediction model is applied to predict the value of mining stress when drilling pressure-relief borehole in other working faces; according to the prediction results, the distribution law of mining stress is analyzed, and then the reaming position, length of reaming section and hole diameter of the pressure relief borehole are determined; the present invention monitors the pressure-relief borehole construction process of accompanying borehole parameters at the same time, monitoring the adjacent accompanying borehole corresponding to the depth of the drilling borehole coal stress value.
    Type: Application
    Filed: August 26, 2024
    Publication date: March 6, 2025
    Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Hengjie Luan, Jiankang Liu, Jianrong Liu, Yujing Jiang, Qinghua Xiao, Zhenqi Song, Yantai Guan, Changsheng Wang, Dong Wang
  • Publication number: 20250071972
    Abstract: The present disclosure relates to a semiconductor structure and a method for manufacturing the same. The semiconductor structure includes a substrate, a plurality of word lines, and a plurality of repeating units. The plurality of word lines are spaced apart in parallel on the substrate, the plurality of word lines extending along a first direction; the plurality of repeating units are respectively located in gaps between adjacent word lines, each of the plurality of repeating units including an active structure and an air gap structure arranged side by side in a second direction. The second direction intersects with the first direction.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Applicant: CXMT Corporation
    Inventors: Qinghua HAN, Kanyu CAO, Xiang LIU
  • Publication number: 20250031570
    Abstract: The present application relates to the technical field of display, in particular to an organic electroluminescent material composition and an application thereof. The organic electroluminescent material composition of the present application comprise compound N and compound M, compound N and compound M cooperate with each other, resulting in an organic electroluminescent device comprising this material with better lifespan, lower driving voltage and higher efficiency at the same time.
    Type: Application
    Filed: February 26, 2024
    Publication date: January 23, 2025
    Applicant: NINGBO LUMILAN ADVANCED MATERIALS CO., LTD.
    Inventors: Ting-Wei WEI, Fengjiao LIU, Qinghua ZOU, Cong TANG, Xiaoxin RAN, Binyu XU, Xiaoyun XU, Renzhou WANG, Qixiang SONG, Huanda DING
  • Publication number: 20250031569
    Abstract: The present disclosure discloses an organic electroluminescent compound, a composition, a light emitting device and an application. The organic electroluminescent compound is a compound M having a structure shown in Formula (2), and Formula (2) is: in Formula (2), X1-X14 are selected from N or CR8, and R8 is selected from hydrogen or deuterium; L is selected from a connecting bond, substituted or unsubstituted C6-C30 arylenyl, and substituted or unsubstituted C3-C30 heteroarylenyl; Ar8-Ar9 are each independently selected from substituted or unsubstituted C6-C30 aryl and substituted or unsubstituted C3-C30 heteroaryl; and substituents are selected from one of or a combination of two of deuterium, halogen, cyano, C1-C6 alkyl, C3-C30 cycloalkyl, C6-C30 aryl and C3-C30 heteroaryl.
    Type: Application
    Filed: January 19, 2024
    Publication date: January 23, 2025
    Applicant: NINGBO LUMILAN ADVANCED MATERIALS CO., LTD.
    Inventors: Ting-Wei WEI, Fengjiao LIU, Qinghua ZOU, Cong TANG, Xiaoxin RAN, Binyu XU, Xiaoyun XU, Renzhou WANG, Qixiang SONG, Huanda DING, Zhi-Kuan CHEN
  • Publication number: 20250019307
    Abstract: A rapid setting, water durable binder composition includes a mixture of: a reactive powder including cement, at about 10-40 wt. % of the reactive powder, ?-stucco at about 30-75 wt. % of the reactive powder, and pozzolanic material at about 5-30 wt. % of the reactive powder; a plasticizer in an amount equal to about 0.05-3 wt. %, preferably 0.1-3 wt. %, of the reactive powder, and water.
    Type: Application
    Filed: April 3, 2024
    Publication date: January 16, 2025
    Applicant: UNITED STATES GYPSUM COMPANY
    Inventors: Yanfei Peng, Ashish Dubey, Qinghua Li, Feng Peng, Richard Liu
  • Publication number: 20240377611
    Abstract: 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: Application
    Filed: July 20, 2022
    Publication date: November 14, 2024
    Inventors: Qinghua Liu, Zhangcheng Li, Zhanli Sun, Yiqin Wang
  • Publication number: 20230357848
    Abstract: 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: Application
    Filed: January 4, 2023
    Publication date: November 9, 2023
    Inventors: Jia DU, Qinghua LIU
  • Publication number: 20230246216
    Abstract: 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: Application
    Filed: March 26, 2021
    Publication date: August 3, 2023
    Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, National lnstitute of Clean-and-Low-Carbon Energy
    Inventors: Rui Wang, Zhen Yao, Qinghua Liu
  • Publication number: 20230155137
    Abstract: 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: Application
    Filed: March 18, 2021
    Publication date: May 18, 2023
    Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW CARBON ENERGY
    Inventors: Yongsheng FAN, Qinghua LIU, Ping MIAO
  • Publication number: 20230027104
    Abstract: 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: Application
    Filed: August 25, 2021
    Publication date: January 26, 2023
    Inventors: Yuhong ZHENG, Qinghua LIU, Jia DU, Cheng ZHONG, Naomi SUDO
  • Patent number: 11411216
    Abstract: 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: Grant
    Filed: November 20, 2018
    Date of Patent: August 9, 2022
    Assignees: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon Energy
    Inventors: Qinghua Liu, John P. Lemmon, Chang Wei, Wenqiang Xu, Yonglong Li, Wenbin Liang
  • Publication number: 20220201990
    Abstract: 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: Application
    Filed: November 2, 2021
    Publication date: June 30, 2022
    Inventors: Qinghua LIU, Jia DU, Yuhong ZHENG, Han MENG, Naomi SUDO
  • Publication number: 20210227808
    Abstract: 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: Application
    Filed: April 12, 2021
    Publication date: July 29, 2021
    Inventors: Qinghua LIU, Naomi SUDO, Han MENG
  • Patent number: 10820401
    Abstract: 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: Grant
    Filed: August 25, 2017
    Date of Patent: October 27, 2020
    Assignee: Hypertherm, Inc.
    Inventors: Shreyansh Patel, Qinghua Liu, Junsong Mao, Richard Pavlik, Zheng Duan, Bruce P. Altobelli
  • Publication number: 20190252677
    Abstract: 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: Application
    Filed: November 20, 2018
    Publication date: August 15, 2019
    Applicants: China Energy Investment Corporation Limited, National Institute of Clean-and-Low-Carbon Energy
    Inventors: Qinghua Liu, John P. Lemmon, Chang Wei, Wenqiang Xu, Yonglong Li, Wenbin Liang
  • Publication number: 20190045756
    Abstract: 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: Application
    Filed: October 19, 2018
    Publication date: February 14, 2019
    Inventors: Qinghua Liu, Naomi Sudo
  • Patent number: 10039178
    Abstract: 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: Grant
    Filed: July 15, 2011
    Date of Patent: July 31, 2018
    Assignee: Hypertherm, Inc.
    Inventors: Qinghua Liu, Zheng Duan, Zhang Yu
  • Patent number: 9908195
    Abstract: 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: Grant
    Filed: January 30, 2015
    Date of Patent: March 6, 2018
    Assignee: 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