Patents by Inventor Zigang DENG

Zigang DENG 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: 11971326
    Abstract: A dynamic simulation test platform for ultra-high-speed evacuated tube magnetic levitation (maglev) transportation includes an evacuated tube having a transition section and a vacuum section, a vacuum maintaining system, a motor supporting platform, and a model train. One end of the evacuated tube is provided with a first isolation door, and the other end is closed. A second isolation door is provided inside the evacuated tube. The vacuum maintaining system is connected to the transition section and the vacuum section. The motor supporting platform is provided in the evacuated tube and extends outside the transition section. The motor supporting platform is provided with a stator winding and a permanent-magnet track. A mover and a cryogenic dewar are provided at a bottom of the model train. The cryogenic dewar is provided with a superconducting bulk. A test method using the test platform is further provided.
    Type: Grant
    Filed: October 9, 2023
    Date of Patent: April 30, 2024
    Assignee: Southwest Jiaotong University
    Inventors: Weihua Zhang, Zigang Deng, Haiquan Bi, Wenxiang Zhou, Jun Guo, Zhigen Xu, Yinchuan Li, Le Liang
  • Publication number: 20240043054
    Abstract: A vehicle running system based on rail transport, including a track, a framework, two levitation devices and a running device. The track is provided with a slot, in which the framework is provided. The levitation devices are provided between the track and the framework, and a top surface of the levitation device is fixedly connected to a bottom surface of the framework through a suspension structure. The running device includes two conductor plates and two running structures. The conductor plates are fixedly arranged on the inner wall of the slot, and are corresponding to the running structures. The reluctance force of magnetic wheels is converted into a driving force to drive maglev vehicles, and the levitation force is converted into a guiding force to realize the self-stabilization of vehicle guidance. A vehicle running method based on this system is also provided.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 8, 2024
    Inventors: Zigang DENG, Kaiwen LI, Jun ZHENG, Xin LIU, Le LIANG, Yihao CHEN
  • Publication number: 20240035930
    Abstract: A dynamic simulation test platform for ultra-high-speed evacuated tube magnetic levitation (maglev) transportation includes an evacuated tube having a transition section and a vacuum section, a vacuum maintaining system, a motor supporting platform, and a model train. One end of the evacuated tube is provided with a first isolation door, and the other end is closed. A second isolation door is provided inside the evacuated tube. The vacuum maintaining system is connected to the transition section and the vacuum section. The motor supporting platform is provided in the evacuated tube and extends outside the transition section. The motor supporting platform is provided with a stator winding and a permanent-magnet track. A mover and a cryogenic dewar are provided at a bottom of the model train. The cryogenic dewar is provided with a superconducting bulk. A test method using the test platform is further provided.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 1, 2024
    Inventors: Weihua ZHANG, Zigang DENG, Haiquan BI, Wenxiang ZHOU, Jun GUO, Zhigen XU, Yinchuan LI, Le LIANG
  • Patent number: 11834078
    Abstract: A levitation, propulsion and guidance integrated magnetic levitation system and an improvement method of levitation and guidance. The system includes a maglev train and a maglev track. The maglev train is provided with a permanent magnet array. The maglev track is provided with a driving device and a levitation driving device in sequence along a running direction of the maglev train. An iron plate is arranged in the middle of the maglev track. The driving device accelerates the maglev train from 0 to take-off velocity. The levitation driving device provides a driving force and a levitation force for the maglev train. The iron plate enables the centered running of the maglev train.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: December 5, 2023
    Assignee: Southwest Jiaotong University
    Inventors: Zigang Deng, Hongfu Shi, Yuqing Xiang, Jun Zheng, Huan Huang
  • Patent number: 11801756
    Abstract: A permanent magnet electrodynamic suspension system includes a conductor track and a suspension and guidance device. The conductor track is disposed on a roadbed, and the suspension and guidance device is disposed above the conductor track. The suspension and guidance device includes a first permanent magnet array and a second permanent magnet array. The first permanent magnet array and the second permanent magnet array are the same in the magnetization direction arrangement. The first permanent magnet array and the second permanent magnet array are arranged perpendicular to each other. A guidance method for the permanent magnet electrodynamic suspension system is further provided.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: October 31, 2023
    Assignee: Southwest Jiaotong University
    Inventors: Zigang Deng, Hongfu Shi, Yuqing Xiang, Ting Cao, Hao Lu, Junzhi Liu, Le Liang, Jun Zheng
  • Patent number: 11745598
    Abstract: A magnetic wheel driving device and a driving method using the same. The magnetic wheel driving device includes a vehicle body, a guide rail system, at least two magnetic wheel systems and a power system. The guide rail system includes two conductor plates, respectively arranged at two sides of the vehicle body. The at least two magnetic wheel systems are symmetrically arranged at two side walls of the vehicle body. A gap is provided between each magnetic wheel system and the corresponding conductor plate. The power system is configured to drive the at least two magnetic wheel systems to rotate.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: September 5, 2023
    Assignee: Southwest Jiaotong University
    Inventors: Zigang Deng, Kaiwen Li, Xin Liu, Hongfu Shi, Le Liang, Jun Zheng
  • Patent number: 11725925
    Abstract: A high-temperature superconducting (HTS) magnetic levitation (maglev) Dewar capable of increasing damping and levitation force and a width calculation method thereof. The HTS maglev Dewar includes an outer container and an inner container. The outer container is fixedly connected to the inner container through a connecting column. The inner container has a cavity configured to accommodate liquid nitrogen. A bottom of the inner container is provided with a bulk superconductor. The inner container is communicated with outside through a liquid nitrogen feeding pipe. The outer container is made of an electrically conductive material.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: August 15, 2023
    Assignee: Southwest Jiaotong University
    Inventors: Zigang Deng, Xucheng Zhou, Xueli Li
  • Publication number: 20230241980
    Abstract: A permanent magnet electrodynamic suspension system includes a conductor track and a suspension and guidance device. The conductor track is disposed on a roadbed, and the suspension and guidance device is disposed above the conductor track. The suspension and guidance device includes a first permanent magnet array and a second permanent magnet array. The first permanent magnet array and the second permanent magnet array are the same in the magnetization direction arrangement. The first permanent magnet array and the second permanent magnet array are arranged perpendicular to each other. A guidance method for the permanent magnet electrodynamic suspension system is further provided.
    Type: Application
    Filed: March 7, 2023
    Publication date: August 3, 2023
    Inventors: Zigang DENG, Hongfu SHI, Yuqing XIANG, Ting CAO, Hao LU, Junzhi LIU, Le LIANG, Jun ZHENG
  • Publication number: 20230219425
    Abstract: A magnetic wheel driving device and a driving method using the same. The magnetic wheel driving device includes a vehicle body, a guide rail system, at least two magnetic wheel systems and a power system. The guide rail system includes two conductor plates, respectively arranged at two sides of the vehicle body. The at least two magnetic wheel systems are symmetrically arranged at two side walls of the vehicle body. A gap is provided between each magnetic wheel system and the corresponding conductor plate. The power system is configured to drive the at least two magnetic wheel systems to rotate.
    Type: Application
    Filed: March 7, 2023
    Publication date: July 13, 2023
    Inventors: Zigang DENG, Kaiwen LI, Xin LIU, Hongfu SHI, Le LIANG, Jun ZHENG
  • Publication number: 20230221103
    Abstract: A high-temperature superconducting (HTS) magnetic levitation (maglev) Dewar capable of increasing damping and levitation force and a width calculation method thereof. The HTS maglev Dewar includes an outer container and an inner container. The outer container is fixedly connected to the inner container through a connecting column. The inner container has a cavity configured to accommodate liquid nitrogen. A bottom of the inner container is provided with a bulk superconductor. The inner container is communicated with outside through a liquid nitrogen feeding pipe. The outer container is made of an electrically conductive material.
    Type: Application
    Filed: March 6, 2023
    Publication date: July 13, 2023
    Inventors: Zigang DENG, Xucheng ZHOU, Xueli LI
  • Publication number: 20230160782
    Abstract: An equipment for simulating high-speed magnetic levitation operation includes a wheel, a driving mechanism, a first test guideway, a second test guideway, a first test object and a second test object. The wheel includes a rim and a hub arranged at a middle of the rim. The driving mechanism is configured to drive the wheel to rotate. The first test guideway and the second test guideway are arranged on an inner wall of the rim, and are respectively arranged on two sides of the hub. The first test object is arranged in the first test guideway, and the second test object is arranged in the second test guideway.
    Type: Application
    Filed: November 22, 2021
    Publication date: May 25, 2023
    Inventors: Zigang DENG, Weihua ZHANG, Long KOU, Jun ZHENG, Yanxing CHENG, Qiwen MA
  • Patent number: 11552580
    Abstract: A superconducting magnetic levitation train includes a frame, an arm, a first support member, a Dewar, a permanent magnet track, an iron core, a coil, a DC power supply system, and a second support member. the arm is arranged on a bottom of the frame; the Dewar 4 with bulk superconductors or superconducting magnets inside is arranged on the bottom of the frame 1; a bottom of the first support member and the second support member is fixedly arranged on a ground; the permanent magnet track is arranged on the first support member; the iron core is arranged on the second support member; the coil is sleeved on the iron core; and levitation, guidance and propulsion integrated superconducting magnetic levitation train further comprises a direct current (DC) power supply system to supply power to the coil.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: January 10, 2023
    Assignee: Southwest Jiaotong University
    Inventors: Jun Zheng, Jing Li, Yixing Du, Zigang Deng, Peng Pang
  • Patent number: 11488754
    Abstract: The present invention discloses a superconducting bulk cooling apparatus and cooling method for a high-temperature superconducting magnetic levitation vehicle. The superconducting bulk cooling apparatus for the high-temperature superconducting magnetic levitation vehicle includes a refrigerating machine, a vacuum box and a Dewar tank. A condensing tank is arranged in the vacuum box, and the condensing tank is communicated with the Dewar tank through a nitrogen siphon pipe and a liquid nitrogen return pipe; a heat exchanger connected with the refrigerating machine is arranged in the condensing tank; and a flexible isolation pipe for thermally insulating and isolating the nitrogen siphon pipe and the liquid nitrogen return pipe is connected between the vacuum box and the Dewar tank. The present invention pumps the phase-change nitrogen out of the Dewar tank through a siphoning effect, so that the immersion cooling of high-temperature superconducting bulks is separated from the re-condensation of the nitrogen.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: November 1, 2022
    Assignee: SOUTHWEST JIAOTONG UNIVERSITY
    Inventors: Zigang Deng, Shaolei Sun, Yanzhi Liu, Jun Zheng
  • Patent number: 11366038
    Abstract: A vibration test bench for electrodynamic-suspension magnetic levitation trains and a testing method using the same. The vibration test bench includes an adjustable track mounting surface, a track base, a guiding track and a simulated levitation device. The track base includes a first track base and a second track base. The first track base and the second track base are respectively provided at two sides of the adjustable track mounting surface. The guiding track is arranged at a bottom of the track base and can be embedded in the T-shaped bolt mounting grooves on the adjustable track mounting surface to move. The simulated levitation device is arranged on the track base and is configured to levitate the magnetic levitation train between the first track base and the second track base.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: June 21, 2022
    Assignee: Southwest Jiaotong University
    Inventors: Zigang Deng, Dingding Wu, Yuhang Yuan, Huan Huang, Hongfu Shi, Jun Zheng, Jianghua Zhang
  • Publication number: 20220115965
    Abstract: This application relates to simulation equipment, and more particularly to an apparatus and method for simulating a line running state of magnetic levitation. The apparatus includes a levitation-guidance mechanism, a moving mechanism and a magnetic guideway fluctuation simulated mechanism. The levitation-guidance mechanism is configured to detect a force on a single Dewar of a maglev train to be simulated. The moving mechanism is configured to move the levitation-guidance mechanism. The magnetic guideway fluctuation simulated mechanism is arranged below the levitation-guidance mechanism, and is configured to apply a variable force to the levitation-guidance mechanism. The variable force is configured to simulate a constantly-variable electromagnetic force applied to the levitation-guidance mechanism by a real track.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 14, 2022
    Inventors: Jun ZHENG, Yanxing CHENG, Long KOU, Huan HUANG, Zhihao KE, Zigang DENG
  • Publication number: 20220093300
    Abstract: The present invention discloses a superconducting bulk cooling apparatus and cooling method for a high-temperature superconducting magnetic levitation vehicle. The superconducting bulk cooling apparatus for the high-temperature superconducting magnetic levitation vehicle includes a refrigerating machine, a vacuum box and a Dewar tank. A condensing tank is arranged in the vacuum box, and the condensing tank is communicated with the Dewar tank through a nitrogen siphon pipe and a liquid nitrogen return pipe; a heat exchanger connected with the refrigerating machine is arranged in the condensing tank; and a flexible isolation pipe for thermally insulating and isolating the nitrogen siphon pipe and the liquid nitrogen return pipe is connected between the vacuum box and the Dewar tank. The present invention pumps the phase-change nitrogen out of the Dewar tank through a siphoning effect, so that the immersion cooling of high-temperature superconducting bulks is separated from the re-condensation of the nitrogen.
    Type: Application
    Filed: December 1, 2021
    Publication date: March 24, 2022
    Inventors: Zigang DENG, Shaolei SUN, Yanzhi LIU, Jun ZHENG
  • Publication number: 20220089196
    Abstract: A levitation, propulsion and guidance integrated magnetic levitation system and an improvement method of levitation and guidance. The system includes a maglev train and a maglev track. The maglev train is provided with a permanent magnet array. The maglev track is provided with a driving device and a levitation driving device in sequence along a running direction of the maglev train. An iron plate is arranged in the middle of the maglev track. The driving device accelerates the maglev train from 0 to take-off velocity. The levitation driving device provides a driving force and a levitation force for the maglev train. The iron plate enables the centered running of the maglev train.
    Type: Application
    Filed: December 1, 2021
    Publication date: March 24, 2022
    Inventors: Zigang DENG, Hongfu SHI, Yuqing XIANG, Jun ZHENG, Huan HUANG