Patents by Inventor Zhigang Liu

Zhigang 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: 20230271814
    Abstract: A main winch system of a rotary drilling rig includes a main action loop, a pilot control loop, and a feedback control loop. The main action loop includes an engine, a hydraulic pump, a main control valve, a balance valve, a main winch motor, and an oil tank. The pilot control loop includes a pilot handle, a solenoid valve I, a pressure relay, and the main control valve in the main action loop. The feedback control loop includes a solenoid valve II and the hydraulic pump and the main control valve in the main action loop. In response to a lifting action of the pilot handle for the main winch, under the control of a button, the solenoid valve II is energized continuously, and the solenoid valve I is energized and de-energized according to a given rule.
    Type: Application
    Filed: December 3, 2020
    Publication date: August 31, 2023
    Applicant: XUZHOU XUGONG FOUNDATION CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Yonghua ZHANG, Yu SUN, Zhigang LIU, Changmeng SHAN, Hongchen QIU, Xiafang GAO, Xing GAO, Junyun SHAN, Qianbin GENG
  • Patent number: 11724949
    Abstract: Disclosed are a baffled integrated denitrifying and decarbonizing device with anaerobic bio-nests and a baffled integrated denitrifying and decarbonizing process with anaerobic bio-nests thereof. The wastewater with low carbon-nitrogen ratio first enters anaerobic chamber I, then enters anaerobic chamber II and chamber III to complete anaerobic decarbonization and denitrification. The chambers are provided with modified basalt fiber carrier media to enrich a large number of functional microorganisms, and improve the device in terms of anaerobic treatment efficiency. Fermentation liquid in chamber III then flows back to aerobic chamber IV to complete the nitrification process. Nitrified liquid enters chamber I and mixes with influent for further treatment, and effluent is finally discharged from chamber III. The clapboard and basalt fiber felt in chamber IV can retain and enrich autotrophic/heterotrophic nitrifying bacteria.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: August 15, 2023
    Assignee: JIANGSU UNIVERSITY
    Inventors: Zhiren Wu, Xiangtong Zhou, Haipeng Xi, Chengye Liu, Zhigang Liu, Suying Jiang, Hongjun Dong, Zhishui Liang
  • Publication number: 20230212287
    Abstract: A bispecific antibody, which comprises an antigen-binding portion against human CD3E and/or an antigen-binding portion against human BCMA. Additionally, provided are medical and biological uses of the bispecific antibody.
    Type: Application
    Filed: August 27, 2019
    Publication date: July 6, 2023
    Inventors: Zhigang Liu, Shunar Wan, Yulan Liu, Xiaobe HAO, Junjie Hu, Jingjing Guo
  • Patent number: 11662002
    Abstract: A two-degree-of-freedom decoupled transmission apparatus for a spatial adhesion pawl mainly includes a tangential loading transmission mechanism and a normal de-adhesion transmission mechanism. The tangential loading transmission mechanism adopts a bevel gear pair, such that the tangential loading transmission mechanism is arranged in a bending manner, and a tangential loading motor of the tangential loading transmission mechanism is collected inside the apparatus. The tangential loading motor is connected to a cam pull plate through the bevel gear pair, a worm gear reducer and a key, and drive the cam pull plate to rotate around a central shaft of an adhesion apparatus. Six transmission bolts on six adhesion units are respectively driven through six cam grooves on the cam pull plate to simultaneously perform centripetal driving on the adhesion units with a further increased force, so as to realize tangential and centripetal loading of the adhesion units.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: May 30, 2023
    Assignee: SHANGHAI AEROSPACE CONTROL TECHNOLOGY INSTITUTE
    Inventors: Jun Sun, Jinhai Wang, Xiaolong Zhang, Ting Song, Zhigang Liu
  • Patent number: 11626900
    Abstract: A radio communication apparatus includes: a first radio frequency subunit, configured to modulate a third analog baseband signal into a third carrier signal, and send the third carrier signal to a first switch; a second radio frequency subunit, configured to modulate a fourth analog baseband signal into a fourth carrier signal, and send the fourth carrier signal to a second switch; the first switch; the second switch; and the first duplexer shared by a first switch and a second switch, configured to receive the third carrier signal from the first switch, receive the fourth carrier signal from the second switch, filter the third carrier signal and the fourth carrier signal to combine the third carrier signal and the fourth carrier signal to obtain a second carrier aggregation signal, and input the second carrier aggregation signal to a first antenna.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: April 11, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhigang Liu, Shanqing Zeng, Shutian Yuan
  • Patent number: 11624419
    Abstract: The disclosure provides a magnetic suspension type quasi-zero stiffness electromagnetic vibration isolator with active negative stiffness. The disclosure relates to the technical field of vibration control. The disclosure can selectively realize passive negative stiffness and active negative stiffness by adjusting the control mode of a controller. By adopting an amplifying mechanism and DIESOLE type electromagnets, the bearing capacity of the vibration isolator is further increased, and the disclosure is suitable for the field of ultra-low frequency heavy load vibration reduction and isolation. The displacement state of a negative stiffness mechanism can be measured in real time according to a sensor, and by means of cooperation of the controller and a driver, active negative stiffness is realized, real-time linear negative stiffness is realized, the multi-stable phenomenon is avoided, and complex dynamic phenomena such as jumping during working of the vibration isolator are prevented.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: April 11, 2023
    Assignee: HARBIN ENGINEERING UNIVERSITY
    Inventors: Guoyong Jin, Junjie Yuan, Tiangui Ye, Zhigang Liu
  • Publication number: 20230078272
    Abstract: Disclosed are a baffled integrated denitrifying and decarbonizing device with anaerobic bio-nests and a baffled integrated denitrifying and decarbonizing process with anaerobic bio-nests thereof. The wastewater with low carbon-nitrogen ratio first enters anaerobic chamber I, then enters anaerobic chamber II and chamber III to complete anaerobic decarbonization and denitrification. The chambers are provided with modified basalt fiber carrier media to enrich a large number of functional microorganisms, and improve the device in terms of anaerobic treatment efficiency. Fermentation liquid in chamber III then flows back to aerobic chamber IV to complete the nitrification process. Nitrified liquid enters chamber I and mixes with influent for further treatment, and effluent is finally discharged from chamber III. The clapboard and basalt fiber felt in chamber IV can retain and enrich autotrophic/heterotrophic nitrifying bacteria.
    Type: Application
    Filed: November 17, 2022
    Publication date: March 16, 2023
    Inventors: Zhiren WU, Xiangtong ZHOU, Haipeng XI, Chengye LIU, Zhigang LIU, Suying JIANG, Hongjun DONG, Zhishui LIANG
  • Publication number: 20230071422
    Abstract: Provided is a bispecific antibody comprising an antigen-binding portion for human CD3E and/or an antigen-binding portion for human CD123. Further provided are the medical and biological uses of the bispecific antibody.
    Type: Application
    Filed: March 30, 2020
    Publication date: March 9, 2023
    Inventors: Zhigang Liu, Xiaobo HAO, Xueping ZHANG, Yulan LIU, Jingjing GUO
  • Patent number: 11585033
    Abstract: A track mechanism and a front-loading washing machine are provided. The track mechanism includes a base, the base is provided with a track portion configured to guide a movable body to move along the track portion, the base includes a supporting body and a track body, the track portion is arranged on the track body, the supporting body and the track body are stacked and combined relative to each other, and wear resistance of the track body is higher than that of the supporting body.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: February 21, 2023
    Assignee: WUXI LITTLE SWAN ELECTRIC CO., LTD.
    Inventors: Shuai Tong, Hucheng He, Changxing Zhao, Zhigang Liu, Lufu Tan, Tao Jiang, Xin Yu, Yusheng Tang
  • Patent number: 11549758
    Abstract: A microchannel heat exchanger structure with a nozzle and a working method thereof. The microchannel heat exchanger structure with a nozzle, includes a first heat exchange portion, a second heat exchange portion, and at least one nozzle portion between the first heat exchange portion and the second heat exchange portion, the first heat exchange portion having a high-pressure heat exchange channel, a first micro-fin array being provided inside the high-pressure heat exchange channel, and the second heat exchange portion having a low-pressure heat exchange channel, the high-pressure heat exchange channel and the low-pressure heat exchange channel being in communication through at least one nozzle disposed in the nozzle portion. The heat exchanger structure has a good heat exchange effect and can achieve a better heat flux during heat exchange.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: January 10, 2023
    Assignee: ENERGY RESEARCH INSTITUTE OF SHANDONG ACADEMY OF SCIENCES
    Inventors: Lian Duan, Zhigang Liu, Mingming Lv, Lei Jia
  • Patent number: 11453607
    Abstract: A process for enhanced anaerobic digestion of sludge by alcoholization of food waste, comprising steps of: (1) ethanol prefermentation of food waste—feeding the food waste having been crushed into a uniform grain size into an ethanol production reactor, where the food waste is subjected to rapid and efficient anaerobic fermentation activated by addition of yeast and pH adjustment to produce ethanol and obtain a fermentation broth and a fermentation residue; (2) sludge pretreatment—pretreating the sludge after mixing with the fermentation residue; and (3) methanogenesis of anaerobic digestion—subjecting products resulting from the sludge pretreatment to be mixed with the fermentation broth and then to methanogenesis of anaerobic digestion in a methane production reactor. With this process, the sludge and the food waste can be treated efficiently via multi-phase reactions, and the resource recovery and biogas quality can be enhanced.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: September 27, 2022
    Assignee: TONGJI UNIVERSITY
    Inventors: Xiaohu Dai, Lei Li, Jun Gao, Ying Xu, Bin Dong, Lingling Dai, Zhigang Liu
  • Publication number: 20220282037
    Abstract: A high-barrier biodegradable Doypack and a preparation method therefor. The Doypack consists of two parts, a high-barrier biodegradable self-sealing strip and a five-layered composite high-barrier biodegradable Doypack body. The main base materials of the high-barrier biodegradable self-sealing strip are PLGA and PPC that have excellent barrier performance; and the five-layered composite high-barrier biodegradable Doypack body consists of single side glossy white Kraft paper, a bonding layer, a first barrier layer, a second barrier layer, and a heat-sealing layer, which are integrally formed by using a process combining four-layer co-extrusion and lamination. Compared to conventional non-degradable Doypacks, the high-barrier biodegradable Doypack is substantially equivalent in terms of the physical and mechanical performance and heat-sealing performance, but has a superior barrier performance, and is biodegradable.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 8, 2022
    Inventors: Peng SI, Zhigang LIU, Weiguo WU, Peng LIANG, Guofang LI
  • Publication number: 20220249638
    Abstract: Embodiments herein relate to humanized CD19 antibodies and disease treatment using the antibodies. For example, a subject having a CD19 positive tumor may be administered a therapeutically effective amount of the humanized antibody.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 11, 2022
    Applicant: Innovative Cellular Therapeutics Holdings, Ltd.
    Inventors: Zhao Wu, Zhigang Liu, Lei Xiao, Chengfei Pu, Zhiyuan Cao
  • Publication number: 20220236633
    Abstract: Provided include a beam modulation apparatus for modulating an input light field and a projection system containing the apparatus. The input light field has a first light field and a second light field, having a difference of 90° in their polarization states. The apparatus includes a PBS prism, a first LCOS panel and a second LCOS panel. The first and the second LCOS panel are respectively over a side surface of the PBS prism opposing to an optical incident surface and an optical exit surface. Each LCOS panel comprises a plurality of pixels over a reflective surface thereof, with each pixel controllably switched on or off such that a polarity state of a light beam reflected by a portion of the reflective surface corresponding thereto is changed or remains unchanged. This beam modulation apparatus can be applied in a projection system, such as a laser TV projection system.
    Type: Application
    Filed: June 5, 2020
    Publication date: July 28, 2022
    Applicant: BEIJING ASU TECH CO. LTD.
    Inventors: Jinwang ZHANG, Teng CAO, Wei-chih LIN, Xianlu WANG, Zhigang LIU
  • Patent number: 11392376
    Abstract: A data processor receives a first set of processor instructions for combining a first matrix with a second matrix to produce a third matrix and generates a second set of processor instructions therefrom by identifying values of non-zero elements of the first matrix stored in a memory of the data processor and determining memory locations of elements of the second matrix. An instruction of the second set of processor instructions includes a determined memory location and/or an explicit value of an identified non-zero element. The second set of processor instructions is executed by the data processor. The second set of processor instructions may be generated by just-in-time compilation of the first set of processor instructions and may include instructions of a custom instruction set architecture.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: July 19, 2022
    Assignee: Arm Limited
    Inventors: Zhigang Liu, Matthew Mattina, Paul Nicholas Whatmough, Jesse Garrett Beu
  • Patent number: 11379556
    Abstract: There is provided a data processing apparatus to perform an operation on a first matrix and a second matrix. The data processing apparatus includes receiver circuitry to receive elements of the first matrix, elements of the second matrix, and correspondence data to indicate where the elements of the first matrix are located in the first matrix. Determination circuitry performs, using the correspondence data, a determination of whether, for a given element of the first matrix in column i of the first matrix, a given element of the second matrix occurs in row i of the second matrix. Aggregation circuitry calculates an aggregation between a given row in the first matrix and a given column in the second matrix and includes: functional circuitry to perform, in dependence on the determination, a function on the given element of the first matrix and the given element of the second matrix to produce a partial result.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: July 5, 2022
    Assignee: Arm Limited
    Inventors: Matthew Mattina, Zhigang Liu, Paul Nicholas Whatmough, David Hennah Mansell
  • Patent number: 11364289
    Abstract: Embodiments herein relate to humanized CD19 antibodies and disease treatment using the antibodies. For example, a subject having a CD19 positive tumor may be administered a therapeutically effective amount of the humanized antibody.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: June 21, 2022
    Assignee: Innovative Cellular Therapeutics Holdings, Ltd.
    Inventors: Zhao Wu, Zhigang Liu, Lei Xiao, Chengfei Pu, Zhiyuan Cao
  • Patent number: 11313431
    Abstract: A quasi-zero stiffness electromagnetic vibration isolator for ultra-low frequency vibration reduction and isolation is provided. When the vibration isolator is in a static equilibrium position, upper and lower air gaps are equal, and electromagnetic attraction forces of upper and lower stator assemblies to a mover assembly are equal. When the load tends to move upwards, the mover assembly is subjected to an upward resultant force, when the load tends to move downwards, the mover assembly is subjected to a downward resultant force, showing the characteristic of negative stiffness. A negative stiffness mechanism composed of the upper stator assembly, the lower stator assembly and the mover assembly is connected in parallel with the positive stiffness springs to achieve a quasi-zero stiffness.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: April 26, 2022
    Assignee: HARBIN ENGINEERING UNIVERSITY
    Inventors: Guoyong Jin, Junjie Yuan, Tiangui Ye, Zhigang Liu
  • Patent number: 11313477
    Abstract: The present disclosure relates to a DBB forced sealing valve and an operating mechanism, including a valve body, a valve seat, a valve core arranged in the valve body, upper sealing member driving part and lower sealing member driving part arranged in the valve body and located on either side of the valve core, and the sealing members arranged between the valve seats and the upper sealing member driving part and the lower sealing member driving part. Wherein, the upper sealing member driving part and the lower sealing member driving part can move along the rotation axis of the valve core, and the upper sealing member driving part and the lower sealing member driving part drive the sealing members to press against or to retract from the valve seats.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: April 26, 2022
    Inventors: Zhigang Liu, Jimeng Chen, Xiaoqi Liu
  • Patent number: D962319
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: August 30, 2022
    Assignee: BYD COMPANY LIMITED
    Inventors: Shaohua Wen, Jian Wei, Jun Shen, Zhigang Liu, Wenhui Zhou