Patents by Inventor Lijie Su

Lijie Su 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: 20250095936
    Abstract: A relay includes a pair of static contact leading-out terminals; a movable contact assembly including a movable contact piece are configured to contact with or separate from the pair of static contact leading-out terminals along a first direction; the movable contact assembly has a first and a second side surfaces along a third direction; wherein a moving direction of the movable contact piece, the first direction, and the third direction are perpendicular with each other; a push rod assembly including a contact bracket; the contact bracket has a first side wall corresponding to the first side surface and a second side wall corresponding to the second side surface along the third direction; and an anti-rotation structure including a first anti-rotation piece located between the first side wall and the first side surface and a second anti-rotation piece located between the second side wall and the second side surface.
    Type: Application
    Filed: September 12, 2024
    Publication date: March 20, 2025
    Inventors: Wenguang Dai, Meng Wang, Jinpin Chen, Liji Su, Yiwen Wu
  • Publication number: 20250095940
    Abstract: A relay includes a movable contact assembly comprising a movable contact piece; a push rod assembly configured to push the movable contact assembly to move, to make the movable contact piece contact with or separate from a static contact leading-out terminal; a limiting component connected to the movable contact assembly and the push rod assembly, and configured to restrict the movable contact assembly from rotating around an axis of the push rod assembly relative to the push rod assembly; and an elastic assembly configured to provide a contact pressure.
    Type: Application
    Filed: September 13, 2024
    Publication date: March 20, 2025
    Inventors: Wenguang Dai, Dapeng Fu, Yiwen Wu, Liji Su
  • Publication number: 20250095935
    Abstract: A relay includes a movable contact assembly including a movable contact piece; a push rod assembly configured to push the movable contact assembly to move so that the movable contact piece contacts with or separates from a static contact leading-out terminal; and an elastic assembly connected to the push rod assembly through a first anti-rotation structure and connected to the movable contact assembly through a second anti-rotation structure, the elastic assembly is configured to provide contact pressure and to limit the movable contact assembly from rotating relative to the push rod assembly around an axis of the push rod assembly.
    Type: Application
    Filed: September 12, 2024
    Publication date: March 20, 2025
    Inventors: Wenguang Dai, Dapeng Fu, Yiwen Wu, Liji Su
  • Publication number: 20250087438
    Abstract: Disclosed in the present invention are a magnetic circuit part having an enhanced initial electromagnetic attraction force, and a high-voltage direct-current relay. The magnetic circuit part comprises a coil, a movable magnetic conductor and a static magnetic conductor, wherein the coil, the movable magnetic conductor and the static magnetic conductor are respectively mounted at suitable positions, such that a magnetic pole surface of the movable magnetic conductor and a magnetic pole surface of the static magnetic conductor are in opposite positions with a preset magnetic gap; and one of the two magnetic pole surfaces is provided with a protrusion that protrudes toward the other magnetic pole surface, and the other magnetic pole surface is provided, at a position corresponding to the protrusion, with a recess in which the protrusion of one of the magnetic pole surfaces can be embedded when the movable magnetic conductor and the static magnetic conductor attract each other.
    Type: Application
    Filed: July 8, 2022
    Publication date: March 13, 2025
    Inventors: Wenguang DAI, Liji SU, Meng WANG
  • Publication number: 20240401282
    Abstract: A traveling rail jointing device for a pivot-type suspended monorail multi-way turnout beam includes: a jointing plate, a rotating support seat, a lever and a push-pull assembly. The jointing plate is disposed with a rotation shaft thereon along an extension direction of a plate surface thereof. The rotation shaft is rotatably embedded on the rotating support seat. A first end of the lever is fixed on the jointing plate, and a second end of the lever is connected to the push-pull assembly. The technical solution of the disclosure can realize reliable jointing for pivot-type suspended monorail multi-way turnout beams through a simple structure.
    Type: Application
    Filed: July 16, 2024
    Publication date: December 5, 2024
    Applicant: CRRC YANGTZE GROUP CO., LTD.
    Inventors: Lijie SU, Meilin HUANG, Aiwen LIU, Kun MEI, Ye FENG, Hui LUO, Jianyun HOU, Xiong YAO, Can CUI, Xiaole KE
  • Publication number: 20240379300
    Abstract: A high-voltage DC relay for enhancing arc extinguishing capability includes two static contact leading-out terminals; a movable contact piece arranged under the two static contact leading-out terminals; two first permanent magnets respectively arranged at outer side of two ends of the movable contact piece in a length direction; two second permanent magnets respectively arranged on the movable contact piece between the two static contact leading-out terminals at positions where the movable contacts are in contact with the static contacts, and sides having polarity of the second permanent magnets facing the corresponding first permanent magnets, and polarities of the sides having polarity of the second permanent magnets is opposite to polarities of the sides of the first permanent magnets facing the positions where the movable contacts are in contact with the static contacts.
    Type: Application
    Filed: September 2, 2022
    Publication date: November 14, 2024
    Inventors: Wenguang DAI, Liji SU, Fengzhu XIE
  • Publication number: 20240367946
    Abstract: An aerial transfer carriage and a control method therefor. The aerial transfer carriage includes: a carriage frame, a spreader, a lifting device and an anti-sway device. The anti-sway device includes two correction winch mechanisms and two correction ropes. The lifting device drives an end of each of the two correction ropes to be reel and unreel. The two correction winch mechanisms respectively drive another end of each of the two correction ropes to be reel and unreel. When it is required to correct a deflection of the spreader, the two opposite ends of the correction rope are wound or unwound respectively, and with the two correction ropes disposed crosswise, the correction rope adjusts a lateral position and a longitudinal position of the spreader during reel and unreel.
    Type: Application
    Filed: July 16, 2024
    Publication date: November 7, 2024
    Applicant: CRRC YANGTZE GROUP CO., LTD.
    Inventors: Yuanqiang BAI, Quanhu WANG, Lijie SU, Aiwen LIU, Kun MEI, Can CUI, Xiong YAO, Meilin HUANG, Jianyun HOU, Hui LUO, Ye FENG, Xiaole KE
  • Publication number: 20240367694
    Abstract: An auxiliary switching device of pivot-type suspended monorail multi-way turnout system includes: a first driving member, a bracket, a slide block, a slide rail, a second driving member and a switching push head. An action end of the first driving member is connected to the bracket to drive the bracket to move back and forth along a first axial direction. The slide block is disposed on the bracket, and the slide block is slidably connected onto the slide rail. The second driving member is disposed on the bracket. The switching push head is connected to an action end of the second driving member.
    Type: Application
    Filed: July 16, 2024
    Publication date: November 7, 2024
    Applicant: CRRC YANGTZE GROUP CO., LTD.
    Inventors: Lijie SU, Meilin HUANG, Aiwen LIU, Kun MEI, Ye FENG, Xiong YAO, Jianyun HOU, Hui LUO, Can CUI, Xiaole KE
  • Publication number: 20240347302
    Abstract: A relay includes a contact container including a yoke plate and an insulating cover connected with the yoke plate to form a contact chamber; a pair of static contact leading-out terminals passing through a pair of first through holes of the insulating cover; a fixing member within the contact container and fixedly connected with the yoke plate; a movable member within the contact chamber and including a movable contact piece configured to come into contacted with or separated from the pair of static contact leading-out terminals; a moving part movable connected to the fixing member; and a first magnetizer connected with the moving part. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.
    Type: Application
    Filed: April 10, 2024
    Publication date: October 17, 2024
    Inventors: Meng WANG, Wenguang DAI, Songsheng CHEN, Liji SU
  • Publication number: 20240347303
    Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes, a pair of static contact leading-out terminals respectively passing through the pair of first through holes, a moving part, a first magnetizer within the contact chamber and connected with the moving part; and a movable member including a movable contact piece and a second magnetizer. The movable contact piece may contact with or separate from the pair of static contact leading-out terminals. The first and second magnetizers are arranged at opposite sides of the movable contact piece and formed a magnetic circuit. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the second magnetizer according to a value of a current flowing through the movable contact piece.
    Type: Application
    Filed: April 10, 2024
    Publication date: October 17, 2024
    Inventors: Wenguang DAI, Shuming ZHONG, Meng WANG, Liji SU, Jinpin CHEN
  • Publication number: 20240347300
    Abstract: A relay includes an insulating cover having a contact chamber and a pair of first through holes in communication with the contact chamber; a pair of static contact leading-out terminals passing through the pair of first through holes, respectively; a fixing member within the contact chamber and fixedly connected with the insulating cover; a moving part within the contact chamber and movably connected to the fixing member; a first magnetizer within the contact chamber and connected with the moving part; and a movable member movably within the contact chamber and including a movable contact piece. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.
    Type: Application
    Filed: April 10, 2024
    Publication date: October 17, 2024
    Inventors: Wenguang DAI, Meng WANG, Liji SU, Jinpin CHEN, Songsheng CHEN
  • Publication number: 20240347301
    Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes; a pair of static contact leading-out terminals passing through the pair of first through holes; a moving part; a first magnetizer within the contact chamber and connected with the moving part; a movable member movably within the contact chamber and including a movable contact piece for contacting with or separating from the static contact leading-out terminals; and a fixing magnetizer fixedly arranged within the contact chamber. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.
    Type: Application
    Filed: April 10, 2024
    Publication date: October 17, 2024
    Inventors: Wenguang DAI, Liji SU, Meng WANG, Songsheng CHEN
  • Publication number: 20240347297
    Abstract: A relay includes a contact container having a contact chamber and a pair of first through holes in communication with the contact chamber, a pair of static contact leading-out terminals passing through the pair of first through holes, respectively, a moving part movable relative to the contact container, a first magnetizer within the contact chamber and connected with the moving part; and a movable member within the contact chamber and including a movable contact piece. The first magnetizer is arranged at one side of the movable contact piece facing the static contact leading-out terminals. The first magnetizer is movable relative to the movable contact piece through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.
    Type: Application
    Filed: April 10, 2024
    Publication date: October 17, 2024
    Inventors: Wenguang DAI, Shuming ZHONG, Meng WANG, Liji SU, Jinpin CHEN
  • Publication number: 20240312746
    Abstract: A relay includes a contact assembly, the contact assembly includes a movable contact piece and a pair of stationary contact lead-out terminals, the movable contact piece is configured to contact with or separate from the pair of stationary contact lead-out terminals. At least one of the sides of the stationary contact lead-out terminals and the movable contact piece close to each other is provided with an inner contact portion, and the stationary contact lead-out terminals and the movable contact piece are abutted only by the inner contact portion, and the inner contact portion is disposed on a side where the pair of stationary contact lead-out terminals are close to each other.
    Type: Application
    Filed: March 18, 2024
    Publication date: September 19, 2024
    Inventors: Wenguang DAI, Liji SU, Meng WANG, Songsheng CHEN, Fengzhu XIE
  • Publication number: 20240312744
    Abstract: A magnetic shielding structure for a relay contact and a relay are provided, the magnetic shielding structure includes a contact assembly, which includes a movable contact piece and a pair of stationary contact lead-out terminals, which can contact with or separate from each other; an anti-short circuit assembly, which is at least disposed at a side of the movable contact piece along a third direction, and can generate suction force when a faulty high current in the movable contact piece for resisting an electrodynamic repulsion force between the movable contact piece and the stationary contact lead-out terminals; a permanent magnet, which is disposed around the contact assembly to achieve arc extinguishing; a first magnetic shielding member, which is sleeved on the outside of a stationary contact lead-out terminal and blocks the magnetic field transmitted from the permanent magnet to the anti-short circuit assembly.
    Type: Application
    Filed: March 18, 2024
    Publication date: September 19, 2024
    Inventors: Wenguang DAI, Fengzhu XIE, Liji SU, Songsheng CHEN, Meng WANG
  • Publication number: 20240145188
    Abstract: A high-voltage DC relay with permanent magnet arc extinguishing function includes two static contact leading-out terminals having static contacts; a movable contact piece having movable contacts; first permanent magnets around the movable contact piece, wherein a side having polarity of the first permanent magnets faces the contacts such that arc extinction is implemented using a horizontal magnetic field formed by the first permanent magnets; and third permanent magnets provided on the static contact leading-out terminals, the polarity of the sides facing the contacts of the third permanent magnets is opposite to that of the first permanent magnets such that magnetic field strength at the contacts can be enhanced by a longitudinal magnetic field formed by the first and the third permanent magnets, and arc extinction can be implemented.
    Type: Application
    Filed: February 8, 2022
    Publication date: May 2, 2024
    Inventors: Wenguang DAI, Liji SU, Wenhao HUA, Songsheng CHEN, Meng WANG, Yaoshan HONG
  • Patent number: 11753279
    Abstract: The disclosure relates to an aerial transportation vehicle including a vehicle frame.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: September 12, 2023
    Assignee: CRRC YANGTZE CO., LTD.
    Inventors: Quanhu Wang, Lijie Su, Aiwen Liu, Heng Huang, Shaobo Song, Wei Liu, Zhiguo Chen, Jianyun Hou, Zixun Wang, Xiong Yao, Hui Luo, Can Cui, Ye Feng
  • Patent number: 11731860
    Abstract: The disclosure relates to a lifting vehicle frame and an aerial transportation vehicle. The aerial transportation vehicle includes a lifting vehicle frame, which includes an upper vehicle frame (1), a lower vehicle frame (2), a lifting assembly (a) and a locking device (b), wherein the upper vehicle frame (1) and the lower vehicle frame (2) are connected through the lifting assembly (a); at least two lifting assemblies (a) are provided opposite to each other in a first direction; the lower vehicle frame (2) and the upper vehicle frame (1) can move close to or apart from each other by operating the at least two lifting assemblies (a); the locking device (b) is disposed on the lower vehicle frame (2); when the lower vehicle frame (2) and the upper vehicle frame (1) move close to each other, the lower vehicle frame (2) and the upper vehicle frame (1) are locked together by operating the locking device (b).
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: August 22, 2023
    Assignee: CRRC YANGTZE CO., LTD.
    Inventors: Quanhu Wang, Lijie Su, Aiwen Liu, Wei Liu, Zhiguo Chen, Jianyun Hou, Zixun Wang, Hui Luo, Xiong Yao, Heng Huang, Shaobo Song, Xiaole Ke, Ye Feng
  • Publication number: 20220212900
    Abstract: The disclosure relates to an aerial transportation vehicle including a vehicle frame.
    Type: Application
    Filed: July 28, 2020
    Publication date: July 7, 2022
    Applicant: CRRC YANGTZE CO., LTD.
    Inventors: Quanhu WANG, Lijie SU, Aiwen LIU, Heng HUANG, Shaobo SONG, Wei LIU, Zhiguo CHEN, Jianyun HOU, Zixun WANG, Xiong YAO, Hui LUO, Can CUI, Ye FENG
  • Publication number: 20220212901
    Abstract: The disclosure relates to a lifting vehicle frame and an aerial transportation vehicle. The aerial transportation vehicle includes a lifting vehicle frame, which includes an upper vehicle frame (1), a lower vehicle frame (2), a lifting assembly (a) and a locking device (b), wherein the upper vehicle frame (1) and the lower vehicle frame (2) are connected through the lifting assembly (a); at least two lifting assemblies (a) are provided opposite to each other in a first direction; the lower vehicle frame (2) and the upper vehicle frame (1) can move close to or apart from each other by operating the at least two lifting assemblies (a); the locking device (b) is disposed on the lower vehicle frame (2); when the lower vehicle frame (2) and the upper vehicle frame (1) move close to each other, the lower vehicle frame (2) and the upper vehicle frame (1) are locked together by operating the locking device (b).
    Type: Application
    Filed: July 28, 2020
    Publication date: July 7, 2022
    Applicant: CRRC YANGTZE CO., LTD.
    Inventors: Quanhu WANG, Lijie SU, Aiwen LIU, Wei LIU, Zhiguo CHEN, Jianyun HOU, Zixun WANG, Hui LUO, Xiong YAO, Heng HUANG, Shaobo SONG, Xiaole KE, Ye FENG