Patents by Inventor Lijun Zhang

Lijun Zhang 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: 12129603
    Abstract: A ground rail transfer device includes: a support rail provided on the ground and used for unloading a vertical load of a bogie in a rail vehicle; a guide rail provided on the ground and used for driving the bogie to perform a rail transfer operation; and a transition plate provided on the ground and located between a first rail and a second rail which are different in a gauge; wherein a difference between the top surface height of the transition plate and the top surface height of the first rail is equal to a distance between a wheel rim vertex circle and a wheel tread of the rail vehicle.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: October 29, 2024
    Assignee: CRRC TANGSHAN CO., LTD.
    Inventors: Xiaojun Zhang, Jianke Zheng, Lijun Zhang, Hongjiang Xu, Xiuyu Sun, Feng Zhao, Yongjiang Ma, Xueyi Song, Guangsheng Zheng, Taoguang Hao, Wei Wang
  • Patent number: 12122608
    Abstract: An inspection robot system, including one or more detection devices, a rail, a traction device, one or more connecting devices, and a multi-axis manipulator. The detection devices are configured to at least obtain environmental image information. The rail is suspended in an air. The traction device includes a steel cable and a steel cable drive assembly. The steel cable drive assembly is connected to the steel cable and is configured to drive the steel cable to move along an axial direction of the steel cable. The connecting devices are slidably connected to the rail. The detection devices are respectively arranged on the connecting devices. The connecting devices are connected to the steel cable and are configured to move along the rail under a traction of the steel cable. At least one of the connecting devices is/are each provided with the multi-axis manipulator.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: October 22, 2024
    Assignees: TAIYUAN UNIVERSITY OF TECHNOLOGY, SHANXI DEDICATED MEASUREMENT CONTROL CO., LTD., TAIYUAN BOSHITONG MACHINERY, ELECTRICITY AND HYDRAULIC ENGINEERING CO., LTD.
    Inventors: Ziming Kou, Juan Wu, Shaoni Jiao, Xin Li, Wei Zhang, Xinjie Fan, Jiabao Xue, Lijun Zhang, Yongyong Dong, Qingshan Niu
  • Patent number: 12123661
    Abstract: The present invention relates to the field of fluid heat transfer, and discloses a heat transfer enhancement pipe as well as a cracking furnace and an atmospheric and vacuum heating furnace including the same. The heat transfer enhancement pipe (1) includes a pipe body (10) of tubular shape having an inlet (100) for entering of a fluid and an outlet (101) for said fluid to flow out; internal wall of the pipe body (10) is provided with a fin (11) protruding towards interior of the pipe body (10), wherein the fin (11) has one or more fin sections extending spirally in the axial direction of the pipe body (10), and each fin section has a first end surface facing the inlet (100) and a second end surface facing the outlet (101), at least one of the first end surface and the second end surface of at least one of the rib sections is formed as a transition surface along spirally extending direction.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: October 22, 2024
    Assignees: China Petroleum & Chemical Corporation, Bejing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Guoqing Wang, Junjie Liu, Lijun Zhang, Cong Zhou, Zhaobin Zhang, Shasha Yang, Dongfa Shen, Xiaofeng Li, Shifang Yang, Zhiguo Du, Yonggang Zhang, Ying Shi, Jinghang Guo
  • Publication number: 20240341695
    Abstract: Embodiments of a system for training a classification neural network are provided. The system is configured to receive a first set of simulated bioelectric signals and patient bioelectric signals from a first computing device and a second set of simulated bioelectric signals from a second computing device, generate a compensation factor for the second computing device based on the first set of simulated bioelectric signals and the second set of simulated bioelectric signals, generate compensated patient bioelectric signals based on the compensation factor and the patient bioelectric signals, and train the classification neural network based on the compensated patient bioelectric signals, the second set of simulated bioelectric signals and the compensation factor. The classification neural network is trained to predict a classification label for each of one or more bioelectric signals.
    Type: Application
    Filed: March 19, 2024
    Publication date: October 17, 2024
    Applicant: Tiposi, Inc.
    Inventors: Fuhao Li, Lijun Zhang, Shih Hsiung Mo
  • Patent number: 12104338
    Abstract: A combined type flexible glass net system used for protection against full-particle falling rocks on plank roads in scenic spots includes a supporting layer, an intercepting throwing layer and a flexible glass net isolating layer, wherein the supporting layer is longitudinally arranged above a protective area along a mountain, and includes a supporting steel frame and an oscillating type supporting rod; the intercepting throwing layer is supported on the supporting layer, and includes metal meshes, an along-cross-slope lower connecting rope, an along-cross-slope upper connecting rope, an along-slope connecting rope and a reinforcing rope; and the flexible glass net isolating layer includes glass plates, glass net supporting cables and a hoop type hinged piece, wherein the glass plates are connected to the glass net supporting cables through the hoop type hinged piece, and the glass net supporting cables are hung below the supporting steel frame.
    Type: Grant
    Filed: September 26, 2021
    Date of Patent: October 1, 2024
    Assignee: Southwest Jiaotong University
    Inventors: Zhixiang Yu, Lijun Zhang, Gaohong Ye, Liru Luo, Xu Hu, Xin Qi, Lei Zhao, Shichun Zhao
  • Patent number: 12091736
    Abstract: The disclosure discloses a spinning process of a magnesium alloy wheel hub, which comprises the following steps: step 1, heating a magnesium alloy bar at 350-430° C. and keeping the temperature for 20 minutes; step 2, initially forging and forming on the bar under a forging press, wherein the forging down-pressing speed is 6-15 mm/s; step 3, finally forging and forming on the bar under a forging press, wherein the forging down-pressing speed is 5-8 mm/s; step 4, stress relief annealing on the final forged magnesium alloy blank; step 5, solid dissolving on the annealed magnesium alloy blank; step 6, taking out the solid-dissolved blank and directly spinning by a spinning machine; step 7, heating treatment and aging treatment. The magnesium alloy wheel hub with excellent performance is obtained by the process, and the spinning process and processing efficiency are greatly improved.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: September 17, 2024
    Assignee: CITIC Dicastal Co., Ltd.
    Inventors: Lixin Huang, Zuo Xu, Meng Li, Shiwen Xu, Liguang Xie, Lijun Zhang
  • Publication number: 20240302861
    Abstract: A head-mounted device may have a head-mounted housing. The housing may include a frame with left and right openings that receive respective left and right optical modules that present images to a user's eyes. Each optical module may have a lens and display that presents an image through the lens. Camera support members may be coupled to respective left and right peripheral portions of the frame. Each camera support member may have openings configured to receive cameras. Antennas may be formed on a camera support member. The antennas may have metal traces on a surface of the camera support member, may have conductive structures embedded within the camera support member, and/or may have patterned metal traces on printed circuits attached to or embedded in the camera support member. The cameras may operate through portions of a display cover layer that covers an outwardly-facing display on the head-mounted housing.
    Type: Application
    Filed: May 17, 2024
    Publication date: September 12, 2024
    Inventors: Ivan S. Maric, Anthony S. Montevirgen, Evan D. Christensen, Lijun Zhang, Phil M. Hobson, Samuel A. Resnick, Yi Jiang
  • Patent number: 12060385
    Abstract: The present disclosure relates to compounds for RNA capping and uses thereof, which belong to the technical field of genetic engineering. Compounds of formula I can result in high levels of capping efficiency, and the capped mRNA exhibits a high transcription level and increased expression.
    Type: Grant
    Filed: July 3, 2023
    Date of Patent: August 13, 2024
    Assignee: GUANGZHOU HENOVCOM BIOSCIENCE CO., LTD.
    Inventors: Jiancun Zhang, Lijun Zhang, Yiqian Zhou, Jiafeng Chen, Jufu Zhang, Suyong Li, Yanhui Liu, Chen Guo, Wanjun Tang, Feng Wu, Xiaoxi He, Qi Guo, Huixuan Chen, Kun Wang, Deyao Li
  • Publication number: 20240265848
    Abstract: The present application provides a pixel compensation circuit, a method of compensating pixel, and a display panel. The pixel compensation circuit includes a compensation transistor, a driving transistor, a reset transistor, a first switching transistor, a second switching transistor, a first capacitor, a second capacitor, and a light-emitting device. Compared with the pixel compensation circuit in prior art, the present application does not need to adopt a plurality of array substrate gate driving circuit to achieve compensation function. That is, the scanning signal lines adopted by the present application are less, which is convenient to achieve narrow bezel of display products.
    Type: Application
    Filed: December 29, 2023
    Publication date: August 8, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Lijun ZHANG
  • Patent number: 12055718
    Abstract: A head-mounted device may have a head-mounted housing. The head-mounted housing may have rear-facing displays that display images for a user. The images are viewable from eye boxes while the head-mounted device is being worn by the user. A peripheral conductive member may run along a peripheral edge of the front face of the housing. Dielectric-filled gaps may divide the peripheral conductive member into elongated conductive segments. The conductive segments may form antenna resonating elements for antennas on the front face. Radio-frequency transceiver circuitry such as cellular telephone transceiver circuitry may be coupled to the antennas.
    Type: Grant
    Filed: February 8, 2023
    Date of Patent: August 6, 2024
    Assignee: Apple Inc.
    Inventors: Lijun Zhang, Jiangfeng Wu, Lu Zhang, Mattia Pascolini, Siwen Yong, Yi Jiang
  • Publication number: 20240235147
    Abstract: The present disclosure provides a potassium dihydrogen phosphate (KDP) frequency-doubling crystal structure, including a crystal fixing structure, a KDP crystal, a ? polarization tube, and a ? polarization tube; where a ?-polarized laser with a central wavelength of 800 nm enters the KDP crystal through the ? polarization tube, and the KDP crystal converts the ?-polarized laser with a central wavelength of 800 nm into a ?-polarized laser with a central wavelength of 400 nm by frequency doubling and then outputs the ?-polarized laser from the ? polarization tube. Close end bevels of the ? polarization tube and the ? polarization tube are designed into a Brewster angle. The KDP crystal is placed in a vacuum-sealed cavity formed by the ? polarization tube, the ? polarization tube, and the crystal fixing structure, which eliminates a complicated process of crystal coating and prevents the KDP crystal from deliquescing in air.
    Type: Application
    Filed: December 26, 2023
    Publication date: July 11, 2024
    Inventors: Weijun LING, Jinfang YANG, Mingxia ZHANG, Yongle ZHU, Yuping WANG, Feiping LU, Xiangbing LI, Limin ZHAO, Yuxiang ZHAO, Lijun ZHANG, Zhong DONG
  • Publication number: 20240223118
    Abstract: A motor drive apparatus includes a three-phase inverter and a three-phase motor. A first terminal of the three-phase inverter is connected to a positive electrode of a power battery. A second terminal of the three-phase inverter is connected to a negative electrode of the power battery Three phase coils of the three-phase motor are respectively connected to midpoints of three phase legs of the three-phase inverter. The motor drive apparatus is configured to simultaneously control (i) a process of charging the power battery by a power supply module, (ii) a torque of the three-phase motor at a zero output, and (iii) the three-phase inverter and the three-phase motor to heat a heat exchange medium flowing through at least one of the three-phase inverter or the three-phase motor.
    Type: Application
    Filed: March 15, 2024
    Publication date: July 4, 2024
    Inventors: Yubo LIAN, Heping LING, Hua PAN, Feiyue XIE, Lijun ZHANG
  • Patent number: 12007810
    Abstract: A head-mounted device may have a head-mounted housing. The housing may include a frame with left and right openings that receive respective left and right optical modules that present images to a user's eyes. Each optical module may have a lens and display that presents an image through the lens. Camera support members may be coupled to respective left and right peripheral portions of the frame. Each camera support member may have openings configured to receive cameras. Antennas may be formed on a camera support member. The antennas may have metal traces on a surface of the camera support member, may have conductive structures embedded within the camera support member, and/or may have patterned metal traces on printed circuits attached to or embedded in the camera support member. The cameras may operate through portions of a display cover layer that covers an outwardly-facing display on the head-mounted housing.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: June 11, 2024
    Assignee: Apple Inc.
    Inventors: Ivan S. Maric, Anthony S. Montevirgen, Evan D. Christensen, Lijun Zhang, Phil M. Hobson, Samuel A. Resnick, Yi Jiang
  • Publication number: 20240186721
    Abstract: A head-mounted device may have a head-mounted housing that is configured to be worn on a head of a user. While the head-mounted device is being worn, left and right displays in optical modules in the head-mounted device may provide images to eye boxes located rearward of the head-mounted device. A forward-facing publicly viewable display on a front portion of the head-mounted device may be covered with a transparent housing portion forming a display cover layer. Millimeter wave antennas may be mounted under a dielectric member that is interposed between the antennas and an edge portion of the transparent housing portion. The antennas may have planar outer surfaces. The dielectric member may have a planar surface separated from the planar outer surfaces by air gaps and a curved outer surface.
    Type: Application
    Filed: February 14, 2024
    Publication date: June 6, 2024
    Inventors: Yi Jiang, Jiangfeng Wu, Lijun Zhang, Mattia Pascolini, Simon G. Begashaw, Siwen Yong
  • Publication number: 20240186685
    Abstract: A head-mounted device may have a head-mounted housing that is configured to be worn on a head of a user. While the head-mounted device is being worn, left and right displays in optical modules in the head-mounted device may provide images to eye boxes located rearward of the head-mounted device. A forward-facing publicly viewable display on a front portion of the head-mounted device may be covered with a transparent housing portion forming a display cover layer. A dielectric member having a ring-shaped edge portion surrounding the publicly viewable display may be mounted under a corresponding edge portion of the display cover layer. A flexible printed circuit antenna with compound curvature may be laminated to the edge portion of the dielectric member.
    Type: Application
    Filed: February 8, 2024
    Publication date: June 6, 2024
    Inventors: Yi Jiang, Boon W. Shiu, Jason C. Sauers, Jia-Woei Chen, Killian J. Poore, Lijun Zhang
  • Publication number: 20240186684
    Abstract: A head-mounted device may be worn on a head of a user. While the head-mounted device is being worn, optical modules in the head-mounted device may provide images to eye boxes located rearward of the head-mounted device. A forward-facing display on a front portion of the head-mounted device may be covered with a transparent housing portion forming a display cover layer. An antenna may be mounted in the device. An antenna support member may be coupled to the head-mounted housing. A biasing member such as a layer of foam may have first and second opposing surfaces characterized by surface normals. The foam may be characterized by an axis of preferential compression that is not parallel to the surface normals. The support member may press against the foam so that the antenna presses against an edge portion of the display cover layer or other overlapping dielectric layer.
    Type: Application
    Filed: February 7, 2024
    Publication date: June 6, 2024
    Inventors: Yi Jiang, Boon W Shiu, Jason C Sauers, Jia-Woei Chen, Killian J Poore, Lijun Zhang
  • Publication number: 20240186686
    Abstract: A head-mounted device may have a head-mounted housing that is configured to be worn on a head of a user. While the head-mounted device is being worn, optical modules in the head-mounted device may provide images to eye boxes located rearward of the head-mounted device. A forward-facing display on a front portion of the head-mounted device may be covered with a transparent housing portion forming a display cover layer. An antenna may be mounted in the device. A curved portion of the display cover layer or other dielectric housing layer may overlap the antenna. The antenna and/or other components may be formed by contouring a flexible printed circuit into a shape characterized by a surface with compound curvature. The contoured flexible printed circuit may have polymer layers and a metal trace between the polymer layers. A neutral stress plane may be aligned with the metal trace.
    Type: Application
    Filed: February 13, 2024
    Publication date: June 6, 2024
    Inventors: Yi Jiang, Boon W Shiu, Jason C Sauers, Jia-Woei Chen, Killian J Poore, Lijun Zhang
  • Patent number: 11993224
    Abstract: The present invention relates to a safety belt retractor, including a bracket, a spool, a locking device, a vehicle sensing device (20) and a vehicle sensing suppression device, wherein the vehicle sensing suppression device includes a driven part and a suppression part. The driven part can be driven by the spool. The suppression part can be held on the driven part by an adhesive force, wherein the driven part has a sliding track, and the suppression part has a sliding portion that can slide on the sliding track against the adhesive force. The suppression part can be limited in a first end position, in which it can suppress the vehicle sensing function of the vehicle sensing device, and it can release the vehicle sensing function of the vehicle sensing device when leaving away from the first end position. Here, the mechanism for achieving the function of suppressing the vehicle sensing noise is simple in structure and low in cost, and can effectively reduce the vehicle sensing noise.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: May 28, 2024
    Assignee: YANFENG AUTOMOTIVE SAFETY SYSTEMS CO., LTD
    Inventors: Lijun Zhang, Fei Wang
  • Publication number: 20240166449
    Abstract: An inspection robot system, including one or more detection devices, a rail, a traction device, one or more connecting devices, and a multi-axis manipulator. The detection devices are configured to at least obtain environmental image information. The rail is suspended in an air. The traction device includes a steel cable and a steel cable drive assembly. The steel cable drive assembly is connected to the steel cable and is configured to drive the steel cable to move along an axial direction of the steel cable. The connecting devices are slidably connected to the rail. The detection devices are respectively arranged on the connecting devices. The connecting devices are connected to the steel cable and are configured to move along the rail under a traction of the steel cable. At least one of the connecting devices is/are each provided with the multi-axis manipulator.
    Type: Application
    Filed: June 4, 2021
    Publication date: May 23, 2024
    Applicants: TAIYUAN UNIVERSITY OF TECHNOLOGY, SHANXI DEDICATED MEASUREMENT CONTROL CO., LTD., TAIYUAN BOSHITONG MACHINERY, ELECTRICITY AND HYDRAULIC ENGINEERING CO., LTD.
    Inventors: Ziming KOU, Juan WU, Shaoni JIAO, Xin LI, Wei ZHANG, Xinjie FAN, Jiabao XUE, Lijun ZHANG, Yongyong DONG, Qingshan NIU
  • Patent number: D1028697
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: May 28, 2024
    Inventor: Lijun Zhang