Patents by Inventor Jizhu LIU

Jizhu 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: 11850746
    Abstract: The present invention discloses a planar articulated robot and an inner rotor joint device, including a base, a first inner rotor joint device provided on the base, a first mechanical arm driven by the first inner rotor joint device, and a manipulator connected to the first mechanical arm, wherein the first inner rotor joint device comprises a rotating shaft fixedly connected to the first mechanical arm and extending along a longitudinal axis, a low-speed rotor assembly located on an outer periphery of the rotating shaft, a high-speed rotor assembly located on an outer periphery of the low-speed rotor assembly, a magnetizing ring located between the low-speed rotor assembly and the high-speed rotor assembly in a circumferential direction, a stator core located on an outer periphery of the high-speed rotor assembly with a certain gap therebetween in the circumferential direction, and a casing covering an outer periphery of the stator core and fixedly connected to the stator core, and a coil is wound around the
    Type: Grant
    Filed: September 27, 2020
    Date of Patent: December 26, 2023
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Jizhu Liu, Mingqiang Pan, Xiaoqi Zhang, Yangjun Wang, Ziwu Ren, Haibo Huang
  • Patent number: 11666905
    Abstract: Disclosed is a triboelectric nanogenerator-based biochemical droplet reaction device, which includes a reaction generating part and a power generation part. The power generation part includes a triboelectric component and a rectifier circuit. The triboelectric component includes a drive electrode, a substrate, a first friction electrode, a first friction material, a second friction material, and a second friction electrode arranged in sequence from top to bottom. A gap exists between the first friction material and the second friction material. The first friction electrode is connected to the first friction material. The second friction electrode is connected to the second friction material. The drive electrode, the first friction electrode, and the second friction electrode are all connected to the rectifier circuit. Also disclosed is a reaction method.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: June 6, 2023
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Haibo Huang, Hao Shen, Zhen Wen, Liguo Chen, Hao Lei, Jizhu Liu, Yangjun Wang, Cihai Dai
  • Patent number: 11522434
    Abstract: A linear positioning platform and a linear positioning system based on magnetic transmission are disclosed. The linear positioning platform includes a moving magnetic linear motor module and a magnetic transmission linear positioning module. The moving magnet linear motor module includes a base, a stator coil, a first yoke, and motor poles. There is a gap between the stator coil and motor pole. The magnetic transmission linear positioning module includes first mover poles, a magnetizing skeleton, a plurality of magnetizing blocks, a second yoke, and second mover poles. There is a gap between the first mover pole and magnetizing block and also between the magnetizing block and second mover pole. The linear positioning platform and linear positioning system have the characteristics of low cost, compact structure, high utilization rate of permanent magnets, high speed, high precision, high dynamic response, etc., which greatly promotes the development of related fields.
    Type: Grant
    Filed: September 27, 2020
    Date of Patent: December 6, 2022
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Jizhu Liu, Licheng Fan, Xiaoqi Zhang
  • Publication number: 20220355293
    Abstract: Disclosed is a triboelectric nanogenerator-based biochemical droplet reaction device, which includes a reaction generating part and a power generation part. The power generation part includes a triboelectric component and a rectifier circuit. The triboelectric component includes a drive electrode, a substrate, a first friction electrode, a first friction material, a second friction material, and a second friction electrode arranged in sequence from top to bottom. A gap exists between the first friction material and the second friction material. The first friction electrode is connected to the first friction material. The second friction electrode is connected to the second friction material. The drive electrode, the first friction electrode, and the second friction electrode are all connected to the rectifier circuit. Also disclosed is a reaction method.
    Type: Application
    Filed: December 11, 2020
    Publication date: November 10, 2022
    Inventors: Haibo HUANG, Hao SHEN, Zhen WEN, Liguo CHEN, Hao LEI, Jizhu LIU, Yangjun WANG, Cihai DAI
  • Patent number: 11312934
    Abstract: The present invention discloses a piezoelectric ultrasonic microinjection device based on a flexible hinge mechanism. The device includes: a cover, a flexible hinge mechanism, a base, a screw cap and an end cap fixedly assembled together, the base being provided with a pump interface; and a micropipette fixedly mounted in the base, the screw cap and the end cap and extending outward, the micropipette being in communication with the pump interface; wherein the flexible hinge mechanism comprises a housing, a piezoelectric ceramic package module encapsulated in the housing, a central shaft fixedly mounted with the piezoelectric ceramic package module and the base, and a vibration output shaft extending from the piezoelectric ceramic package module into the central shaft, a plurality of flexible hinge beams being disposed between the central shaft and the housing.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: April 26, 2022
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Haibo Huang, Xiwei Gao, Liguo Chen, Fei Zhou, Hao Guo, Lingfeng Chang, Jizhu Liu, Yangjun Wang, Lining Sun
  • Publication number: 20210023700
    Abstract: The present invention discloses a planar articulated robot and an inner rotor joint device, including a base, a first inner rotor joint device provided on the base, a first mechanical arm driven by the first inner rotor joint device, and a manipulator connected to the first mechanical arm, wherein the first inner rotor joint device comprises a rotating shaft fixedly connected to the first mechanical arm and extending along a longitudinal axis, a low-speed rotor assembly located on an outer periphery of the rotating shaft, a high-speed rotor assembly located on an outer periphery of the low-speed rotor assembly, a magnetizing ring located between the low-speed rotor assembly and the high-speed rotor assembly in a circumferential direction, a stator core located on an outer periphery of the high-speed rotor assembly with a certain gap therebetween in the circumferential direction, and a casing covering an outer periphery of the stator core and fixedly connected to the stator core, and a coil is wound around the
    Type: Application
    Filed: September 27, 2020
    Publication date: January 28, 2021
    Inventors: Jizhu LIU, Mingqiang PAN, Xiaoqi ZHANG, Yangjun WANG, Ziwu REN, Haibo HUANG
  • Publication number: 20210013789
    Abstract: A linear positioning platform and a linear positioning system based on magnetic transmission are disclosed. The linear positioning platform includes a moving magnetic linear motor module and a magnetic transmission linear positioning module. The moving magnet linear motor module includes a base, a stator coil, a first yoke, and motor poles. There is a gap between the stator coil and motor pole. The magnetic transmission linear positioning module includes first mover poles, a magnetizing skeleton, a plurality of magnetizing blocks, a second yoke, and second mover poles. There is a gap between the first mover pole and magnetizing block and also between the magnetizing block and second mover pole. The linear positioning platform and linear positioning system have the characteristics of low cost, compact structure, high utilization rate of permanent magnets, high speed, high precision, high dynamic response, etc., which greatly promotes the development of related fields.
    Type: Application
    Filed: September 27, 2020
    Publication date: January 14, 2021
    Inventors: Jizhu LIU, Licheng FAN, Xiaoqi ZHANG
  • Publication number: 20200332244
    Abstract: The present invention discloses a piezoelectric ultrasonic microinjection device based on a flexible hinge mechanism. The device includes: a cover, a flexible hinge mechanism, a base, a screw cap and an end cap fixedly assembled together, the base being provided with a pump interface; and a micropipette fixedly mounted in the base, the screw cap and the end cap and extending outward, the micropipette being in communication with the pump interface; wherein the flexible hinge mechanism comprises a housing, a piezoelectric ceramic package module encapsulated in the housing, a central shaft fixedly mounted with the piezoelectric ceramic package module and the base, and a vibration output shaft extending from the piezoelectric ceramic package module into the central shaft, a plurality of flexible hinge beams being disposed between the central shaft and the housing.
    Type: Application
    Filed: May 22, 2018
    Publication date: October 22, 2020
    Inventors: Haibo HUANG, Xiwei GAO, Liguo CHEN, Fei ZHOU, Hao GUO, Lingfeng CHANG, Jizhu LIU, Yangjun WANG, Lining SUN