Patents by Inventor Jianfeng Liu

Jianfeng 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).

  • Patent number: 10807104
    Abstract: The disclosure discloses wet electrostatic classification device for ultrafine powder based on rotating flow field, which belongs to the field of ultrafine powder classification equipment. The wet electrostatic classification device for ultrafine powder of the disclosure includes a cylinder body. The cylinder body is a hollow cavity. A material conveying shaft and a rotating shaft are disposed in the cylinder body. Outlets are formed in a circumferential wall of the cylinder body. A deceleration motor is mounted on the lower end through a machine frame. First electrode pieces are disposed on an inner wall. The spray head is mounted between the material conveying shaft and the rotating shaft. The rotating shaft is connected to the deceleration motor through a coupling. Second electrode pieces are disposed on outer walls of the material conveying shaft and the rotating shaft. The spray head is configured to spray a material into the cylinder body to form a rotating flow.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: October 20, 2020
    Assignee: JIANGNAN UNIVERSITY
    Inventors: Jianfeng Yu, Ran Huang, Zhihua Li, Junnan Yu, Xiangyang Zheng, Nan Jin, Zhiqiang Liu
  • Publication number: 20200326396
    Abstract: Some embodiments of the present disclosure relate to a displacer for reducing the consumption of a cryogen used in a superconductive magnet device. The displacer may occupy some space within the cryogen storage cavity or limit the cryogen into a relatively small space surrounding a superconductive coil in the cryogen storage cavity. The displacer may also include a displacer cavity that may be vacuum or contain a cryogen or another substance.
    Type: Application
    Filed: June 1, 2020
    Publication date: October 15, 2020
    Applicant: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventors: Jianfeng LIU, Xingen YU, Lijun ZOU, Jin QIAN, Yong JIANG, Qing NI
  • Publication number: 20200328914
    Abstract: An egress VTEP device of a data center receives a first packet sent by a local VTEP device of the data center, through an intra-domain VXLAN tunnel, and sends the first packet to an egress VTEP device on an opposite end of another data center through a corresponding inter-domain VXLAN tunnel. In addition, the egress VTEP device of the data center receives a second packet sent by the egress VTEP devices on an opposite end of another data center, through an inter-domain VXLAN tunnel, and sends the second packet to a local VTEP device of the data center through a corresponding intra-domain VXLAN tunnel.
    Type: Application
    Filed: April 28, 2017
    Publication date: October 15, 2020
    Inventor: Jianfeng LIU
  • Patent number: 10801934
    Abstract: The present invention discloses a rock mechanics experiment system for simulating deep-underground environment, including a triaxial chamber consisting of a chamber cavity and a test pedestal, a stress field building module, a high pressure seepage field building module, a high temperature field building and a seepage medium permeating control measurement module arranged in the triaxial chamber, a lifting module used for installing and disassembling of the chamber cavity, and computer module used for controlling the operation of system and calculating and outputting the test data. The lifting module includes a door-shaped support frame, a cylinder piston device vertically mounted on the door-shaped support frame beam, a coupling device and a safety suspension device. The coupling device includes an oil hydraulic rod with the upper end fixedly coupled with the piston, a safety disk fixedly coupled with the lower end of the hydraulic rod, and two symmetrically disposed coupling assemblies.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: October 13, 2020
    Assignees: SICHUAN UNIVERSITY, RESEARCH INSTITUTE OF PETROLEUM EXPLORATION & DEVELOPMENT, PETROCHINA COMPANY LIMITED
    Inventors: Jianfeng Liu, Guosheng Ding, Zhide Wu, Qiqi Wanyan, Lina Ran, Jianliang Pei, Lu Wang, Huining Xu, Chunping Wang, Yilin Liao, Qiangxing Zhang, Xiaozhang Lei, Wenxi Fu, Min Zhang
  • Publication number: 20200320874
    Abstract: Embodiments of the disclosure provide systems and methods for optimizing a traffic control plan. The system may include at least one storage device configured to store instructions and at least one processor configured to execute the instructions to perform operations. The operations may include receiving traffic system log data and parsing the traffic system log data to obtain a first set of traffic performance parameters. The operations may also include receiving trajectory data relating to a plurality of vehicle movements and parsing the trajectory data to obtain a second set of traffic performance parameters. The operations may further include determining relationships between vehicle delays and degrees of saturation based on the first and second sets of traffic performance parameters. In addition, the operations may include optimizing the traffic control plan based on the relationships.
    Type: Application
    Filed: June 22, 2020
    Publication date: October 8, 2020
    Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    Inventors: Jianfeng ZHENG, Xianghong LIU, Fuliang LI
  • Patent number: 10794869
    Abstract: The present invention discloses an acoustic emission sensor, including an acoustic emission probe, a probe installation mechanism, and a transmission mechanism transmitting a combination of the acoustic emission probe and the probe installation mechanism to a setting position in a borehole of a monitored rock mass; the probe installation mechanism includes a shell, a probe sleeve, a spring sleeve, a spring, and a fixed pulley component; the probe sleeve is installed in the guide cylinder of the shell, the spring sleeve is fixed on two sides of the probe sleeve, the spring is installed inside the spring sleeve; one end of the first rope in the fixed pulley component is fixedly connected to the end cap in the upper end surface of the probe sleeve through the fixed pulley mounted on the top of the inner wall of the shell.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: October 6, 2020
    Assignees: SICHUAN UNIVERSITY, RESEARCH INSTITUTE OF PETROLEUM EXPLORATION & DEVELOPMENT, PETROCHINA COMPANY LIMITED
    Inventors: Jianfeng Liu, Huining Xu, Jianliang Pei, Lu Wang, Chunping Wang, Xiaozhang Lei, Wenxi Fu, Jianhui Deng
  • Patent number: 10785043
    Abstract: Provided are an accurate load shedding system, and a communication method and an access apparatus thereof. The access apparatus includes: two E1 interfaces, eight optical fiber interfaces, a CPU and an FPGA. The two E1 interfaces are respectively connected to a control apparatus A and a control apparatus B of a control substation. The eight optical fiber interfaces are respectively connected to eight control terminals. The FPGA includes eight optical fiber transceivers respectively connected to the eight optical fiber interfaces through serial interfaces, and two E1 transceivers respectively connected to the two E1 interfaces through serial interfaces. Each optical fiber transceiver includes a reset submodule. Each E1 transceiver also includes a reset submodule. The CPU is connected to the FPGA through a parallel bus.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: September 22, 2020
    Assignees: State Grid Jiangsu Electric Power Co., Ltd., Nari Technology Co., Ltd.
    Inventors: Jijun Yin, Qing Chen, Zheng Wu, Xiao Lu, Hengzhi Cui, Jianyu Luo, Chunlei Xu, Xueming Li, Xiangdong Chen, Kaiming Luo, Bijun Li, Lin Liu, Yunsong Yan, Jianfeng Ren, Haifeng Xia
  • Publication number: 20200282556
    Abstract: The present invention relates to a static compliance performance testing device applied to an industrial robot, comprising a loading direction adjusting component and a loading force adjusting component, wherein the force applying end of the loading direction adjusting component is connected with an end mechanical interface of the industrial robot, and is configured to adjust a force bearing direction of the end mechanical interface. The loading force adjusting component comprises a lever, a first-stage weight and a second-stage weight, the lever is provided with a fixing part and is rotatable around the fixing part, the force bearing end of the loading direction adjusting component is connected with the lever, the first-stage weight is suspended on the lever, the second-stage weight is suspended on the lever and is movable along the lever, the weight of the first-stage weight is larger than the weight of the second-stage weight.
    Type: Application
    Filed: February 21, 2020
    Publication date: September 10, 2020
    Applicant: China Electronic Product Reliability and Environmental Testing Research Institute ((The Fifth Elect
    Inventors: Xiaobing Li, Wenwei Liu, Chengju Dong, Yuanhang Wang, Bochen Chen, Keqiang Cheng, Jianfeng Yang, Qiang Huang
  • Patent number: 10755564
    Abstract: Embodiments of the disclosure provide systems and methods for optimizing a traffic control plan. The system may include at least one storage device configured to store instructions and at least one processor configured to execute the instructions to perform operations. The operations may include receiving traffic system log data and parsing the traffic system log data to obtain a first set of traffic performance parameters. The operations may also include receiving trajectory data relating to a plurality of vehicle movements and parsing the trajectory data to obtain a second set of traffic performance parameters. The operations may further include determining relationships between vehicle delays and degrees of saturation based on the first and second sets of traffic performance parameters. In addition, the operations may include optimizing the traffic control plan based on the relationships.
    Type: Grant
    Filed: December 15, 2018
    Date of Patent: August 25, 2020
    Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    Inventors: Jianfeng Zheng, Xianghong Liu, Fuliang Li
  • Publication number: 20200264637
    Abstract: The positioning detection device includes a positioning detection combination, a plurality of positioning sheets, an origin position, a negative limit, a positive limit, a controller and an encoder. The positioning material moving system is provided on the basis of the positioning detection device.
    Type: Application
    Filed: December 13, 2019
    Publication date: August 20, 2020
    Inventors: Haipeng FENG, Hailong LIU, Jianfeng GUI, Jiansheng WANG
  • Patent number: 10745510
    Abstract: The present invention discloses a phosphorylated polycondensate high-performance water-reducing agent with a phosphorylated melamine derivative, instead of a conventional carboxyl group or sulfonic group, as a main adsorption group. The use of aryl alkoxypolyether as a side chain of the polymer provides a strong steric effect to improve the dispersibility and dispersion-retaining properties of the polymer. A polycondensate high-performance water-reducing agent and a method for preparing the same provided by the present invention have excellent overall performance, high adaptability for current low-grade raw materials of concrete, strong market demands, and vast application prospects. Additionally, the polycondensate has an advanced preparation process provided with the characteristics of industrially scalable production, which offers the prospect of a core technology in the field of water-reducing agent of concrete so as to promote development of the industry.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: August 18, 2020
    Assignees: SOBUTE MATERIALS CO., LTD, PANZHIHUA BOTE BUILDING MATERIALS CO., LTD.
    Inventors: Jiaping Liu, Qianping Ran, Tao Wang, Shuai Qi, Jianfeng Ma, Shimin Fan, Yong Yang
  • Patent number: 10746826
    Abstract: A magnetic resonance system may include a magnetic resonance magnet and a storage container configured to accommodate the magnetic resonance magnet. The storage container may also contain an endothermic liquid. The magnetic resonance system may further include a ramping-down device configured to trigger releasing electric energy by the magnetic resonance magnet. The first ramping-down device may include an electric energy consumption device configured to consume at least a portion of the released electric energy by the magnetic resonance magnet.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: August 18, 2020
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Jianfeng Liu
  • Publication number: 20200246381
    Abstract: The invention provides a chimeric antigen receptor (CAR) which can specifically bind to a BCMA protein comprising a BCMA binding structural domain, a transmembrane domain, a costimulatory domain, and an intracellular signaling domain. The invention also provides uses of the CAR in treating diseases or conditions linked to the expression of BCMA.
    Type: Application
    Filed: January 31, 2019
    Publication date: August 6, 2020
    Inventors: Jianfeng ZHOU, Junjian LIU, Guang HU, Yongkun YANG, Guangrong MENG, Wenjing GAO, Yuyu WANG, Panpan NIU
  • Publication number: 20200250347
    Abstract: The present disclosure provides an encrypted data storage system and method based on offsite key storage, comprising a key control center, an offsite key storage system, and a data encryption/decryption storage system. The offsite key storage system comprises a first key control device, a key storage device, and a first quantum key distribution device. The data encryption/decryption storage system comprises a second key control device, a data encryption/decryption storage device, and a second quantum key distribution device. The first quantum key distribution device is in quantum communication connection with the second quantum key distribution device. The first key control device is communicatively connected with the key storage device and the first quantum key distribution device, respectively. The second key control device is communicatively connected with the data encryption/decryption storage device and the second quantum key distribution device, respectively.
    Type: Application
    Filed: July 23, 2018
    Publication date: August 6, 2020
    Inventors: Zhengfu HAN, Jianfeng WANG, Chunhua MIAO, Kai YIN, Jingjing LIU, Yun LIU
  • Publication number: 20200251172
    Abstract: A shift register unit including a first node control circuit, a second node control circuit, an energy-storing circuit, a first voltage pull circuit, a second voltage pull circuit, and an output circuit. The first node control circuit is configured to transfer a reset signal at a reset signal terminal to a first node in response to the reset signal at the reset signal terminal being active. The second node control circuit is configured to transfer an inactive voltage at a first voltage terminal to the first node in response to a potential at a second node being active. The output circuit is configured to transfer a clock signal at a clock signal terminal to a signal output terminal in response to the potential at the second node being active.
    Type: Application
    Filed: August 28, 2019
    Publication date: August 6, 2020
    Inventors: Yunze LI, Ni YANG, Hengyi XU, Jianfeng LIU, Qi HU
  • Publication number: 20200252226
    Abstract: Provided are an accurate load shedding system, and a communication method and an access apparatus thereof. The access apparatus includes: two E1 interfaces, eight optical fiber interfaces, a CPU and an FPGA. The two E1 interfaces are respectively connected to a control apparatus A and a control apparatus B of a control substation. The eight optical fiber interfaces are respectively connected to eight control terminals. The FPGA includes eight optical fiber transceivers respectively connected to the eight optical fiber interfaces through serial interfaces, and two E1 transceivers respectively connected to the two E1 interfaces through serial interfaces. Each optical fiber transceiver includes a reset submodule. Each E1 transceiver also includes a reset submodule. The CPU is connected to the FPGA through a parallel bus.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 6, 2020
    Inventors: Jijun Yin, Qing Chen, Zheng Wu, Xiao Lu, Hengzhi Cui, Jianyu Luo, Chunlei Xu, Xueming Li, Xiangdong Chen, Kaiming Luo, Bijun Li, Lin Liu, Yunsong Yan, Jianfeng Ren, Haifeng Xia
  • Publication number: 20200251901
    Abstract: Provided is an emergency accurate control method and system for large-scale interruptible loads. The method includes: acquiring, by a region control master station, a sheddable load sequence table; acquiring, by the region control master station, a first to-be-shed load; performing, by the region control master station, minimum under-shedding matching layer by layer according to the first to-be-shed load, and shedding a sheddable load corresponding to control substation matching with the first to-be-shed load; and sending, by the region control master station, a second to-be-shed load to the corresponding control substation for load shedding if the second to-be-shed load exists.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 6, 2020
    Inventors: Jijun YIN, Qing CHEN, Gang CHEN, Xiao LU, Jianyu LUO, Haifeng LI, Xueming LI, Kaiming LUO, Lin LIU, Yunsong YAN, Yefeng JIANG, Jianfeng REN, Haifeng XIA
  • Patent number: 10731721
    Abstract: An elastic adjustable brake pad for use in a train, comprising a brake pad frame (1) provided with a fourth through hole (18), a brake block assembly, and a spiral compression spring (6); the brake block assembly comprises a brake block (16), a rivet (4), a Belleville spring (5), and a rivet sleeve (3), the brake block (16) comprising a friction block (10) and a static sheet steel back (7) fixedly mounted together, the rivet (4) passing through the brake block (16) and being sleeved in turn by the Belleville spring (5) and the rivet sleeve (3); the fourth through hole (18) is a stepped counterbore, and the rivet (4) in the brake block (16) penetrates the fourth through hole (18) and extends outward therefrom, the spiral compression spring (6) being sleeved over the outside of the rivet sleeve (3), and the outer side of one end of the rivet sleeve (3) being provided with a clamping groove clamped to an elastic retainer ring (2), one end of the spiral compression spring (6) abutting a step on which a secondary
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: August 4, 2020
    Assignee: BEIJING BEI MO GAO KE FRICTION MATERIAL CO. LTD
    Inventors: Jianfeng Chen, Changkun Yang, Xiang Zhao, Kai Xiao, Dan Zheng, Guangyu Li, Hua Feng, Xiaohua Liu, Yan Wang, Zhiwei Liu, Longjie Han, Xueqiang Li, Zhen Xiao, Hongbo Yang
  • Publication number: 20200232950
    Abstract: A system for monitoring rock damage in deep engineering environment includes an acoustic emission sensor assembly and an acoustic emission amplifier assembly. The assemblies are mounted on a rock mechanics test system. The acoustic emission sensor clamp includes a coupling screw, as well as a clamp cover, a clamp cylinder, and a coupling panel threadedly connected in sequence. The acoustic emission amplifier assembly includes an acoustic emission amplifier, an upright column having a guide rail, a lifting support plate, and a support plate lifting oil cylinder. Additionally, an evaluation method based on acoustic emission tempo-spatial evolution laws is presented. According to the properties of acoustic emission, fractal characteristics of damage evolution processes of rock test pieces are analyzed and the relationship between stress, energy and fractal dimension in the whole process of tensile deformation damage of the rock test pieces is obtained.
    Type: Application
    Filed: March 30, 2020
    Publication date: July 23, 2020
    Applicants: Sichuan University, Chengdu University
    Inventors: Huining XU, Jianfeng LIU, Yan WAN, Jianliang PEI, Lu WANG, Chunping WANG, Qiangxing ZHANG
  • Patent number: 10711394
    Abstract: The present disclosure provides a plant fiber textile, a laminate with the plant fiber textile and a fabricating method of the laminate. The plant fiber textile has a matrix resin and continuous plant fibers distributed within the matrix resin. The plant fibers are subjected to a surface modification pretreatment including a coupling treatment with a coupling agent and/or a fire retardation treatment with a fire retardant. The laminate has a stack structure including a layer of the plant fiber textile and at least one layer selected from a group consisting of following layers: glass fiber, aramid fiber or carbon fiber non-woven cloth or textile, preferably distributed within the matrix resin; polymer fiber non-woven cloth or textile, preferably distributed within the matrix resin; or polymer foam or rubber material.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: July 14, 2020
    Assignees: AVIC COMPOSITE CORPORATION LTD., AVIC BEIJING INSTITUTE OF AERANUTICAL MATERIALS
    Inventors: Xiaosu Yi, Yanfeng Liu, Shuangying Ji, Jianfeng Tong, Hongyi Ma, Chunrong Jiao, Jianwen Bao, Qingman Liu, Xiancheng He, Xu Chen, Haichao Cui