Patents by Inventor Bin MAO

Bin MAO 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).

  • Patent number: 12227696
    Abstract: The present invention pertains to the field of oilfield stimulation technologies for oil and gas field development, in particular to an instant soluble temperature and salt resistant polyacrylamide and the preparation method and application thereof, and the polyacrylamide is modified by adding rigid temperature and salt resistant monomer containing benzene ring and cationic fluorinated hydrophobic monomer on the basis of acrylamide monomer and sodium acrylate monomer, and then polymerized to obtain instant soluble temperature and salt resistant polyacrylamide. The temperature and salt resistant monomer containing benzene ring can improve the thermal stability and temperature and salt resistance of polyacrylamide, while the long-chain cationic fluorinated hydrophobic monomer can enhance the hydrophobicity of polymer. The comprehensive properties of polymer is improved by appropriate intermolecular association.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: February 18, 2025
    Assignees: Chengdu LEPS Technology Co., Ltd, Southwest Petroleum University
    Inventors: Jianchun Guo, Shan Ren, Cong Lu, Bin Liu, Shaobin Zhang, Huifei Mao, Su Diao, Xueshan Yang, Chaojun Tang, Junyao Ran, Guangyao Yang
  • Publication number: 20250022424
    Abstract: A gamma voltage regulation circuit set in a driver chip of a display panel, includes: an input circuit configured to determine a measured value of a power supply voltage of a power supply; a computing circuit configured to compute a variation value between the measured value and a reference value of the power supply voltage, an adjustment circuit configured to adjust a dynamic value of a reference voltage of a grayscale voltage generated by gamma correction through the variation value; and a third output circuit configured to output the grayscale voltage based on the dynamic value.
    Type: Application
    Filed: July 11, 2024
    Publication date: January 16, 2025
    Applicant: GLENFLY TECH CO., LTD. (SHANGHAI)
    Inventors: Fei GOU, Bin Sheng, Zhifeng Mao, Diansheng Zhang, Jing Xie, Wenwei Xu, Wei Liu
  • Publication number: 20240320447
    Abstract: Techniques for dynamic prompt vector generation for improved language model predictions are provided. A textual prompt word and textual context data are received, and an interim vector is generated by encoding the textual prompt word and the textual context data using an encoder machine learning model. An augmented prompt vector is generated by processing the interim vector using a sequence generation machine learning model, the sequence generation machine learning model trained based on at least one sequence of vectors comprising a training prompt word, a training related word, and a plurality of intermediate vectors. Model output is generated by processing the augmented prompt vector using a language machine learning model.
    Type: Application
    Filed: March 22, 2023
    Publication date: September 26, 2024
    Inventors: Tong LIU, Zhong Fang YUAN, Fei WANG, Ting Yao LIU, Yu Bin MAO, Sen LIANG
  • Patent number: 11982146
    Abstract: A jet flow adjustment method for rotary steerable downhole release includes steps of: defining a diversion ratio p of a jet nozzle by a ground control system; and sending the diversion ratio p of the jet nozzle to a control unit of a downhole rotary steerable system; and determining an opening areas of the jet nozzle by the control unit according to the diversion ratio p of the jet nozzle and an equivalent channel area S of a drilling tool; controlling an adjustable bypass valve by the control unit of the downhole rotary steerable system according to the calculated opening area s of the jet nozzle, so as to control an overlapping area between sector holes of a rotor end and a stator end, thereby opening the jet nozzle for release. The present invention has simple control and strong release ability.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: May 14, 2024
    Assignees: CHINA NATIONAL PETROLEUM CORPORATION, CNPC CHUANQING DRILLING ENGINEERING COMPANY LIMITED
    Inventors: Jichuan Zhang, Dengyun Lu, Jing Bai, Yi Xie, Lei Li, Kexu Chen, Chongjun Huang, Lichun Jia, Dejun Zhang, Zhilin Li, Bin Mao
  • Publication number: 20230193714
    Abstract: A jet flow adjustment method for rotary steerable downhole release relates to a technical field of downhole drilling equipment for oil wells, which includes steps of: defining a diversion ratio p of a jet nozzle (2) by a ground control system according to a cleaning requirement of a cuttings bed; and sending the diversion ratio p of the jet nozzle (2) to a control unit of a downhole rotary steerable system; and determining an opening area s of the jet nozzle (2) by the control unit of the downhole rotary steerable system according to the diversion ratio p of the jet nozzle (2) and an equivalent channel area S of a drilling tool, wherein a calculation formula is: s=p*S/(1?p); controlling an adjustable bypass valve (3) by the control unit of the downhole rotary steerable system according to the calculated opening area s of the jet nozzle (2), so as to control an overlapping area between sector holes (9) of a rotor end (7) and a stator end (8), thereby opening the jet nozzle (2) for release.
    Type: Application
    Filed: May 25, 2021
    Publication date: June 22, 2023
    Inventors: Jichuan Zhang, Dengyun Lu, Jing Bai, Yi Xie, Lei Li, Kexu Chen, Chongjun Huang, Lichun Jia, Dejun Zhang, Zhilin Li, Bin Mao
  • Publication number: 20220082192
    Abstract: A flexible hose has a length of hollow tubing and a closed cuff. A method for manufacturing a flexible hose, has the steps of providing a length of flexible tubing, providing a closable cuff, aligning the closable cuff with the hollow tubing at a closed cuff location, and affixing the closable cuff to the length of hollow tubing by closing the closable cuff around the length of hollow tubing at the closed cuff location, thereby forming a flexible hose having a closed cuff. The method does not include the step of screwing the closable cuff onto the length of hollow tubing. Devices may also contain such a flexible hose.
    Type: Application
    Filed: January 30, 2019
    Publication date: March 17, 2022
    Inventors: Kwok Fu FU, Ming Fai KOH, Ching Sau CHU, Chang Bin MAO, Run Xing LI, Wei Feng HU
  • Patent number: 10875958
    Abstract: A method for synthesizing a polybutylene adipate terephthalate-polylactic acid (PBAT-PLA) copolyester, the method including: uniformly blending a first prepolymer PBAT and a second prepolymer PLA to yield a mixture, 0putting the mixture in a vacuum reactor with a vacuum degree of between 5 and 100 pascal, heating the vacuum reactor to a temperature of between 100 and 110° C., and allowing to react for between 0.5 and 1 hr; stepwise increasing the temperature to be between 145 and 155° C. in between 1 and 2 hrs, and allowing to react for between 5 and 10 hrs, to yield a PBAT-PLA copolyester with a weight-average molecular weight of between 100000 and 250000. The method for synthesizing the PBAT-PLA copolyester is eco-friendly, non-toxic and cost-efficient.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: December 29, 2020
    Assignee: Henan Green Polymer Co., Ltd
    Inventors: Liuwen Ruan, Wanxin Li, Yongbin Tang, Xinyu He, Wenjun Yang, Bin Mao
  • Patent number: 10508426
    Abstract: The present invention discloses a self-adjustable gas isolator, including a floater, a liquid storage device, a liquid outlet, a cover plate, a liquid discharging hole and a pressure balancing device. The floater has a pressure relief port; the pressure balancing device is connected with the floater in fixed position; the floater is sleeved in the liquid storage device and the floater goes up and down along with liquid level in the liquid storage device. The sealing device regulates the opening degree between the floater and the liquid outlet automatically according to the liquid volume discharged, and the pressure balancing device releases gas pressure preventing liquid from discharging, and the discharging speed of liquid is fast. The self-adjustable gas isolator is simple in structure, no components for hooking sundries in its channel, and is not easy to jam. When discharging liquid, the floater swings or rotates with self-cleaning function.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: December 17, 2019
    Inventors: Guangrong Xu, Bin Mao, Jialu Xu
  • Publication number: 20190330416
    Abstract: A method for synthesizing a polybutylene adipate terephthalate-polylactic acid (PBAT-PLA) copolyester, the method including: uniformly blending a first prepolymer PBAT and a second prepolymer PLA to yield a mixture, putting the mixture in a vacuum reactor with a vacuum degree of between 5 and 100 pascal, heating the vacuum reactor to a temperature of between 100 and 110° C., and allowing to react for between 0.5 and 1 hr; stepwise increasing the temperature to be between 145 and 155° C. in between 1 and 2 hrs, and allowing to react for between 5 and 10 hrs, to yield a PBAT-PLA copolyester with a weight-average molecular weight of between 100000 and 250000. The method for synthesizing the PBAT-PLA copolyester is eco-friendly, non-toxic and cost-efficient.
    Type: Application
    Filed: October 17, 2017
    Publication date: October 31, 2019
    Applicants: Henan Green Polymer Co., Ltd, Henan Green Polymer Co., Ltd
    Inventors: Liuwen Ruan, Wanxin Li, Yongbin Tang, Xinyu He, Wenjun Yang, Bin Mao
  • Publication number: 20180087249
    Abstract: The present invention discloses a self-adjustable gas isolator, including a floater, a liquid storage device, a liquid outlet, a cover plate, a liquid discharging hole and a pressure balancing device. The floater has a pressure relief port; the pressure balancing device is connected with the floater in fixed position; the floater is sleeved in the liquid storage device and the floater goes up and down along with liquid level in the liquid storage device. The sealing device regulates the opening degree between the floater and the liquid outlet automatically according to the liquid volume discharged, and the pressure balancing device releases gas pressure preventing liquid from discharging, and the discharging speed of liquid is fast. The self-adjustable gas isolator is simple in structure, no components for hooking sundries in its channel, and is not easy to jam. When discharging liquid, the floater swings or rotates with self-cleaning function.
    Type: Application
    Filed: December 1, 2017
    Publication date: March 29, 2018
    Inventors: Guangrong XU, Bin MAO, Jialu XU
  • Publication number: 20170328431
    Abstract: A power booster includes a conversion device, a power boosting component, a power boosting friction block, a friction part, a power boosting support, a sliding device. The conversion device is fixed to the power boosting component, the power boosting friction block is fixed to the power boosting component, the power boosting friction block and the friction part contact with each other after being pressed, the power boosting component is movably connected to the power boosting support, the friction part is movably connected to the power boosting support, the sliding device is connected to the power boosting component and the power boosting support. The power booster introduces the controlling force from the inlet, and amplifies the controlling force. The amplified controlling force is output by the power boosting component to push the part that needs to be controlled.
    Type: Application
    Filed: October 30, 2015
    Publication date: November 16, 2017
    Inventors: Guangrong XU, Bin MAO, Jialu XU