Patents by Inventor Weidong Liu

Weidong 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).

  • Publication number: 20190351703
    Abstract: An assembled wheel includes a spoke, a T nut, a screw, a fixing ring, a rim, a brake drum. In use, the T nut is installed in the outermost T groove of the spoke; a second boss on a connecting ring fits with the groove on the back of the spoke; the spoke, the connecting ring and the fixing ring are connected together by the first screw; grooves on the outer side of the brake drum fit with a first boss in the right circumferential direction of the fixing ring; and the second screw axially fixes the brake drum in the fixing ring through a spacer.
    Type: Application
    Filed: January 25, 2019
    Publication date: November 21, 2019
    Inventors: Bowen XUE, Chuanqun Li, Weidong Liu, Jiandong Guo
  • Patent number: 10464137
    Abstract: The present application discloses a vertical lathe chuck mounting rack, which is composed of a decelerator A, a motor A, a rack, a motor B, a decelerator B, a linear guide rail C, a ball screw, a cylinder, a guide rail sliding seat C, a flange and the like, wherein the motor A is capable of driving a horizontal rack to move horizontally on a cross beam along a linear guide rail B. The motor B is capable of driving a lifting rack to move vertically along the linear guide rail C. The cylinder is capable of driving a telescopic rack to move horizontally along a linear guide rail A.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: November 5, 2019
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Weidong Liu, Yukun Yang, Zhi Chang, Guidong Yang, Yu Chang, Yongwang Zhao
  • Publication number: 20190322464
    Abstract: The present invention includes an on-line wheel transfer mechanism. A cylinder, bearing seats and a linear guide rail are mounted on a base. A rack is connected to the linear guide rail through a guide rail seat, an output shaft of the cylinder is connected to the rack, and a rotating shaft A is mounted on the two symmetrical bearing seats. A gear and two rotating arms A are fixed on the rotating shaft A. The rack is engaged with the gear, a rotating shaft B is mounted on two symmetrical bearing seats B, two rotating arms B are fixed on the rotating shaft B, the rotating arms A are hinged to brackets through a rotating shaft C, and the rotating arms B are hinged to the brackets through a rotating shaft D. The rotating shafts constitute a parallelogram hinge four-bar mechanism.
    Type: Application
    Filed: January 14, 2019
    Publication date: October 24, 2019
    Inventors: Weidong Liu, Honghai Zhou, Weizhi Zhang, Kuisheng Nie, Xing Wang, Qun Zhao
  • Patent number: 10427888
    Abstract: The present invention includes an on-line wheel transfer mechanism. A cylinder, bearing seats and a linear guide rail are mounted on a base. A rack is connected to the linear guide rail through a guide rail seat, an output shaft of the cylinder is connected to the rack, and a rotating shaft A is mounted on the two symmetrical bearing seats. A gear and two rotating arms A are fixed on the rotating shaft A. The rack is engaged with the gear, a rotating shaft B is mounted on two symmetrical bearing seats B, two rotating arms B are fixed on the rotating shaft B, the rotating arms A are hinged to brackets through a rotating shaft C, and the rotating arms B are hinged to the brackets through a rotating shaft D. The rotating shafts constitute a parallelogram hinge four-bar mechanism.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: October 1, 2019
    Assignee: Citic Dicastal Co., Ltd.
    Inventors: Weidong Liu, Honghai Zhou, Weizhi Zhang, Kuisheng Nie, Xing Wang, Qun Zhao
  • Publication number: 20190291507
    Abstract: A hub for displaying images is provided. The hub includes a hub body and a dazzling imaging portion, in which the hub body includes a wheel disc surface, a center flange and a rim, the wheel disc surface includes spokes, one end of each spoke is connected to the center flange and the other end is connected to the rim, the center flange includes a center hole and bolt holes uniformly distributed around the center hole, and the rim is connected to the ends of the spokes and extends in a direction perpendicular to the wheel disc surface; the dazzling imaging portion is composed of a circuit board, connecting wires, an FPC, a battery, a decorative cap and decorative lights; and the decorative cap is composed of a circular cover plate and one or more strip claw arms.
    Type: Application
    Filed: December 14, 2018
    Publication date: September 26, 2019
    Inventors: Chuanqun LI, Weidong LIU, Congshan JIA, Shaoqian WANG
  • Patent number: 10415946
    Abstract: Disclosed is a wheel center hole size qualification detection device. The upper ends of large guide posts are connected with an upper cross beam, the lower ends of the large guide posts are connected with a lower cross beam, a frame is fixed on a foundation via bases, the large guide posts are arranged in large guide sleeves on the frame, a large cylinder is fixed on the foundation and connected with the lower cross beam, the large cylinder drives an overall framework formed by the upper cross beam, the lower cross beam and the large guide posts to move up and down, small guide posts are respectively fixed on two sides of the center of the upper cross beam and inside the large guide posts, small cylinders are fixed below the frame, and clamping jaws are connected with the small cylinders.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: September 17, 2019
    Assignee: CITIC Dicastal CO., LTD.
    Inventors: Jinling Yang, Li Yang, Weidong Liu
  • Patent number: 10399204
    Abstract: The present application disclose a wheel blank positioning end face correction device, comprising a frame, a servo motor I, a support frame, a bearing seat, a bearing, a shaft, a rotating platform, a guide rail, a cylinder, a left slide plate, a left bearing seat, a left shaft, a left bearing, a left driven grooved friction wheel, a left workbench, corner cylinder pressure claws, mandrel seats, mandrels, a grinding wheel, a grinding wheel drive motor, a support plate, a feeding slide plate, feeding guide rails, a linear motor, a distance measuring sensor, a fixed plate, a servo motor II, a driving grooved friction wheel, a right workbench, a right driven grooved friction wheel, a right shaft, a gear rack structure and a right slide plate.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: September 3, 2019
    Assignee: CITIC DICASTAL CO., LTD
    Inventors: Huiying Liu, Weidong Liu, Bowen Xue
  • Patent number: 10398683
    Abstract: The present invention relates to processes for preparing 6-(4-bromo-2-fluorophenylamino)-7-fluoro-3-methyl-3H-benzoimidazole-5-carboxylic acid (2-hydroxyethyoxy)-amide, processes for preparing crystallized 6-(4-bromo-2-fluorophenylamino)-7-fluoro-3-methyl-3H-benzoimidazole-5-carboxylic acid (2-hydroxyethyoxy)-amide, and intermediates useful therefore. Also provided herein are pharmaceutical compositions comprising this crystallized compound.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 3, 2019
    Assignee: Array BioPharma Inc.
    Inventors: Christoph Max Krell, Marian Misun, Daniel Andreas Niederer, Werner Heinz Pachinger, Marie-Christine Wolf, Daniel Zimmermann, Weidong Liu, Peter J. Stengel, Paul Nichols
  • Publication number: 20190262905
    Abstract: The invention discloses a wheel machining tool. A rough turning tool and a finish turning tool are respectively arranged on two sides of a tool head, the primary declination angle ? of the rough turning tool is set to 90° to 120°, and the primary declination angle ? of the finish turning tool is set to 85° to 95°; the axial height difference between the rough turning tool and the finish turning tool is set to 0.2-0.5 mm; the distance c between the rough turning tool and the tool head is set to 5-8 mm, and the distance b between the finish turning tool and the tool head is set to 3-5 mm. The rake angle ? of the rough turning tool is set to 12°-15°, the rake angle ? of the finish turning tool is set to 14°-17°.
    Type: Application
    Filed: July 11, 2018
    Publication date: August 29, 2019
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Minghua LIU, Yingjun ZHOU, Weidong LIU, Xiao LIU, Xiaoguang HUANG, Jiandong GUO, Huiying LIU, Yuexin LU, Zhiyuan YU, Ruixiao ZHOU
  • Patent number: 10384272
    Abstract: The invention relates to a large-stroke tensioning device in a wheel machining process. The large-stroke tensioning device in the wheel machining process comprises a base (1), a servo motor (2), a mounting plate (3), a connecting plate (4), a shaft sleeve (5), an oil cylinder (6), a gland (7), bearings (8), a connecting shaft (9), a chassis (10), positioning pins (11), a flange plate (12), springs (13), sliding pedals (14), an expanding core (15), a protector (16) and the like. The large-stroke tensioning device can meet requirements of clamping and positioning of a wheel, and meanwhile has the characteristics of simple structure, convenience in manufacturing, stable performance and capability of meeting machining requirements on precision.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: August 20, 2019
    Assignee: CITIC Dicastal CO., LTD
    Inventors: Weidong Liu, Jiandong Guo, Bowen Xue
  • Publication number: 20190224792
    Abstract: A fixture for suppressing tool vibration on an outer rim, wherein a pressure claw base, an end face block and a base are installed on the chuck, and the pressure claw is installed on the chuck; a lower pressure plate is fixed on the base, limiting columns and an upper pressure plate are installed on the lower pressure plate, with steel balls and a rubber strip being enclosed in a space formed by the lower pressure plate and the upper pressure plate; and a rubber strip is enclosed in an annular groove formed by a jaw A and a jaw B, and can move radially in the groove. The fixture in the present invention is configured to counteract the vibration of the wheel rim during machining, and thus can effectively eliminate the problem of tool vibration on the outer rim.
    Type: Application
    Filed: June 29, 2018
    Publication date: July 25, 2019
    Inventors: Weidong LIU, Xiaoyu JIANG, Xuesong WANG, Shengchao ZHANG, Haiping CHANG, Yingfeng WANG, Dan YAO
  • Publication number: 20190224800
    Abstract: A milling fixture for forged wheel includes a connecting plate installed on a milling machine table, a linear bearing installed on the connecting plate, a small diameter end of a positioning rod penetrates through a spring and a linear bearing, and a limiting screw installed on a side wall of the linear bearing and connected with the positioning rod. Under the coaction of the spring and an external force, the positioning rod is configured to move in the linear bearing. Bidirectional threaded rods are uniformly installed on a bottom plate, one end of each of the bidirectional threaded rods penetrate through pressure claws, the pressure claws are sandwiched between compression nuts and the connecting plate. The fixture can meet the requirement for milling a forged wheel, and at the same time, has the characteristics of a simple structure, is convenient to manufacture, provides stable performance and is low cost.
    Type: Application
    Filed: August 2, 2018
    Publication date: July 25, 2019
    Inventors: Weidong LIU, Dan YAO, Xiaopeng CHEN, Xing WANG, Haiping CHANG
  • Publication number: 20190224793
    Abstract: A fixture for machining wheel outer rim without trace includes a positioning and clamping portion and a flexible support portion. A base is fixed on a bottom plate, and a screw is configured to compress an expanding pressure plate during being tightened so that the outer circumference of an expanding sleeve expands a center hole of a wheel; and the positioning columns are inserted into bolt holes of the wheel. A lower pressure plate is fixed on the base, and limiting columns and an upper pressure plate are installed on the lower pressure plate, with steel balls and rubber strip being enclosed in a space formed by the lower pressure plate and the upper pressure plate. The fixture meets the requirement for machining the wheel outer rim without trace, has the characteristics of simple structure, convenient manufacture, stable performance and precision, and meets the requirements of automatic production.
    Type: Application
    Filed: June 29, 2018
    Publication date: July 25, 2019
    Inventors: Weidong LIU, Xiaoyu JIANG, Fengyan LIU
  • Publication number: 20190224756
    Abstract: The invention discloses a precision fixture for improving the balance precision of a wheel, comprising a chuck, a base, a servo motor, a lower pressure plate, a rubber strip, steel balls, an upper pressure plate, a mounting plate, a connecting shaft, a shaft sleeve, a hydraulic cylinder, a bearing end cover, bearings, a guard, an expanding core, expanding flaps, a flange plate, springs, pins, a flange, a connecting shaft and limiting columns. The fixture can meet the requirement for improving the balance precision of a wheel, at the same time, has the characteristics of simple structure, convenient manufacture, stable performance and precision that can meet the machining requirement, and can meet the requirements of automatic production.
    Type: Application
    Filed: August 2, 2018
    Publication date: July 25, 2019
    Inventors: Weidong LIU, Xiaoyu JIANG, Fengyan LIU
  • Patent number: 10359233
    Abstract: The present invention provides a blank on-line water blowing device. The blank on-line water blowing device includes a frame, a lift cylinder, bearing seats A, linear bearings, guide shafts, a support, a servomotor, a lifting frame, a speed reducer, a bearing seat B, a bearing, a rotating shaft, a synchronous pulley A, a synchronous belt, a gland, a base, a base plate, a flange, springs, copper sleeves, floating columns, an air supply pipe, air amplifiers and a mounting rack. The blank on-line water blowing device provided by the present invention can meet the requirement of blank water blowing, and meanwhile, has the characteristics of simple structure, convenience in manufacturing, stable performance and capability of meeting the precision machining requirement.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: July 23, 2019
    Assignee: CITIC Dicastal CO., LTD
    Inventors: Weidong Liu, Jiandong Guo, Bowen Xue
  • Publication number: 20190193460
    Abstract: A combined wheel includes spokes, steel bushings, a rim, a brake pad, pins and a backing ring. The spokes are placed in respective empty slots between adjacent connecting blocks, and clamping grooves therein are matched with the connecting blocks. The pins are installed into holes of the spokes and the connecting blocks. A left end face of a backing ring is matched with the back of the spokes. A plurality of screws connect the backing ring, the connecting blocks and the spokes and are fitted into the steel bushings. The brake pad is fixed to two pluralities of bosses by a second plurality of screws. In use of the combined wheel, both radial force and axial force generated in the running of the wheel can be counteracted on the spokes. The annular brake pad is installed on the inner wall of the rim, thereby increasing the brake radius.
    Type: Application
    Filed: June 29, 2018
    Publication date: June 27, 2019
    Inventors: Bowen XUE, Chuanqun LI, Weidong LIU, Zhuo ZHOU, Jiandong GUO
  • Publication number: 20190193461
    Abstract: A combined wheel includes spokes, steel bushings, a rim, a metal frame, a brake pad and pins. In use, the steel bushings are installed in grooves of the spokes; the spokes are placed so that the clamping grooves are matched with the connecting blocks; the pins are installed into holes of the spokes and the connecting blocks; the metal frame is matched with the backs of the spokes; the screws I connect the metal frame, the connecting blocks and the spokes together and are matched with the steel bushings; and the brake pad is connected to the metal frame by screws II. In the combined wheel, the radial force and the axial force generated in the running process of the wheel can be counteracted on the spokes; and the brake disc brakes from the inside, thereby increasing the brake radius and reducing the clamping force required when braking.
    Type: Application
    Filed: June 29, 2018
    Publication date: June 27, 2019
    Inventors: Bowen XUE, Chuanqun LI, Weidong LIU, Zhuo ZHOU, Jiandong GUO
  • Patent number: 10329288
    Abstract: The invention provides processes of preparation thereof useful in the preparation of compounds that can be used as CHK1 inhibitors.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: June 25, 2019
    Assignees: Genentech, Inc., Array BioPharma Inc.
    Inventors: Chong Han, Keena Green, Francis Gosselin, Michelangelo Scalone, Paul J. Nichols, Weidong Liu, Keith L. Spencer, Zackary D. Crane, Peter J. Stengel, Sagar Shakya
  • Patent number: 10316303
    Abstract: A lactone hydrolase having improved activity towards ?-zearalenol is disclosed. The lactone hydrolase has a modified amino acid sequence of SEQ ID NO: 5, wherein the modification is a substitution of valine at position 167 with histidine. A method of degrading ?-zearalenol using such lactone hydrolase is also disclosed.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: June 11, 2019
    Assignee: TIANJIN INSTITUTE OF INDUSTRIAL BIOTECHNOLOGY, CHINESE ACADEMY OF SCIENCES
    Inventors: Rey-Ting Guo, Yingying Zheng, Zhongxia Xu, Chun-Chi Chen, Wei Peng, Weidong Liu, Je-Ruei Liu, Yanhe Ma
  • Publication number: 20190162630
    Abstract: The present application provides a device for detecting wheel hop, comprising a synchronous clamping and centering mechanism, a synchronous rotating mechanism and a hop detecting mechanism. According to the structure and size of a wheel to be detected, a first servo motor and a second servo motor control the detection wheel in the hop detector to move within a specific plane, the detection wheel is in contact with a bead seat of the wheel, and the synchronous rotating mechanism drives the wheel to rotate; and the detection wheel is driven to rotate by the friction between the detection wheel and a bead seat of the wheel, and the hop detector detects the hop amount of the bead seat of the wheel when the wheel rotates and transmits the data to a computer processing system.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 30, 2019
    Applicant: CITIC Dicastal CO., LTD
    Inventors: Weidong LIU, Fengyan LIU, Haiping CHANG