Patents Assigned to Polytechnic University
  • Supercritical fluid dyeing and finishing system and method
    Patent number: 10584433
    Abstract: A supercritical fluid dyeing and finishing system has a fabric warp beam dyeing kettle. A fabric warp beam dyeing and finishing unit is arranged in the fabric warp beam dyeing kettle. An external magnetic transmission device II is arranged outside the fabric warp beam dyeing kettle. The fabric warp beam dyeing and finishing unit includes a porous pipe I and a porous pipe II. The porous pipe I and the porous pipe II are connected with an inlet of the fabric warp beam dyeing and finishing unit through a bearing I and a bearing II. A fluid ejector is connected with the inlet of the fabric warp beam dyeing and finishing unit and disposed in the vicinity of the porous pipe I and the porous pipe II.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: March 10, 2020
    Assignee: DALIAN POLYTECHNIC UNIVERSITY
    Inventors: Huanda Zheng, Laijiu Zheng, Shihui Gao, Jun Yan, Juan Zhang, Xiao Wang, Yingchong Ma
  • Enhanced Selective Cellular Stimulation by Ultrasound
    Publication number: 20200069801
    Abstract: There is provided a method of sensitising a eukaryotic cell to ultrasound stimulation, said method comprising increasing the mechano-sensitivity of a transmembrane ion channel of the cell to ultrasound by introducing a plurality of entire exogenous gas vesicles proximal to the surface of the cell.
    Type: Application
    Filed: August 29, 2018
    Publication date: March 5, 2020
    Applicant: The Hong Kong Polytechnic University
    Inventors: Lei SUN, Zhihai QIU, Jinghui GUO
  • HINGE
    Publication number: 20200032839
    Abstract: A hinge is provided, which includes a V-shaped blade, an intermediate blade and a terminal blade. The V-shaped blade, the intermediate blade and the terminal blade are provided with holes to allow a fixed member to pass through; the V-shaped blade is hinged to one end of the intermediate blade for supporting the bending of a body; another end of the intermediate blade is hinged to the terminal blade for supporting the bending of the body; the strip-shaped grooves on the V-shaped blade, the intermediate blade and the terminal blade can be used to fix the hinge to a surface of the body using a belt or other fixed member, and to make the corrective member stably fix to one side of the body, effectively producing the lateral corrective force; the hinge design of each blade can coordinate the forward bending motion of the body, effectively introducing the corrective force.
    Type: Application
    Filed: July 26, 2019
    Publication date: January 30, 2020
    Applicant: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Yiu Wan YIP, Lai Hing FOK
  • System and method for estimating center of gravity of walking rehabilitation robot
    Patent number: 10533913
    Abstract: Provided are a system and method for estimating the center of gravity of a walking rehabilitation robot, the system being provided with: a sensor module for estimating the point of the center of gravity, and provided with: a sensor unit mounted on a footplate to sense the pressure when a person walks; output means for outputting a voltage value corresponding to preset conditions according to a pressure signal sensed by the sensor module; and estimating means for calculating an angle value corresponding to the voltage value outputted by the output means, and estimating the center of gravity, wherein a body center can be estimated by obtaining an accurate detection using a small-sized system that has a relatively low-cost sensor module installed therein.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: January 14, 2020
    Assignee: KOREA POLYTECHNIC UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Eung Hyuk Lee, Su Hong Eom, Won Young Lee
  • APPARATUS FOR MANAGING SDN-BASED IN-VEHICLE NETWORK AND CONTROL METHOD THEREOF
    Publication number: 20190394305
    Abstract: A software defined network (SDN)-based network management apparatus includes: an SDN controller including a first management unit to store a plurality of heterogeneous protocol information items, and an SDN switch controlled by the SDN controller and including a second management unit to store at least one heterogeneous protocol information item acquired from the SDN controller and a gateway to communicate with a vehicle network. In particular, upon receiving a packet corresponding to a new protocol that has not been used for access, from an external source, the SDN switch sends a request to the SDN controller for analysis of the received packet, and the SDN controller forwards protocol information corresponding to the received packet among the plurality of heterogeneous information items stored in the first management unit, to the SDN switch.
    Type: Application
    Filed: December 4, 2018
    Publication date: December 26, 2019
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, KOREA POLYTECHNIC UNIVERSITY Industry Academic Cooperation Foundation
    Inventors: Seung Su KIM, Pil Yong PARK, Jeong Hwan KIM, Jin Hyuk JUNG, Suk Hyun SEO, Sang Hyun HAN
  • System and method for controlling joint angle of knee-joint type walking training robot
    Patent number: 10456317
    Abstract: The present invention relates to a system and a method for controlling a joint angle of a knee-joint type walking training robot which estimates a walking stage of a person receiving rehabilitation for walking and actively responds to the walking stage on the basis thereof. The present invention can easily control the joint angle of the knee-joint type walking training robot by providing a configuration comprising: a pressure measuring device for measuring the pressure on the sole of a walker's foot by using a pressure sensor; and a joint angle estimating device for estimating the joint angle of a knee-joint by extracting movement time of the walk and the length of the part of the sole contacting the ground on the basis of the sole's pressure measured by the pressure measuring device.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: October 29, 2019
    Assignee: KOREA POLYTECHNIC UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Eung Hyuk Lee, Su Hong Eom, Mun Suck Jang, Won Young Lee
  • Photocatalyst
    Patent number: 10434505
    Abstract: A photocatalyst includes a composite fiber having at least two crystalline semi-conductors that provide a heterojunction structure in the composite fiber.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: October 8, 2019
    Assignee: The Hong Kong Polytechnic University
    Inventors: Wallace Woon Fong Leung, Chun Pei
  • Exoskeleton ankle robot
    Patent number: 10426637
    Abstract: A portable electrical motor-driven exoskeleton ankle joint robot with gear transmission and control system which is intended to provide walking assistance in different speed and walking conditions to persons with disability in walking or muscle weakness or joint problem.
    Type: Grant
    Filed: June 21, 2015
    Date of Patent: October 1, 2019
    Assignee: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Kai-Yu Tong, Ling Fung Yeung, Corinna Ursula Ockenfeld, Sze Kit Ho, Hon-Wah Wai, Man-Kit Pang
  • PASSIVE VIBRATION REDUCING APPARATUS
    Publication number: 20190283228
    Abstract: In an aspect of the disclosure there is provided a vibration reducing apparatus for a percussive tool having an axis of reciprocation. The apparatus comprises, a guide frame and at least one member extending across the axis of reciprocation. An assembly extending in a direction of along the axis of reciprocation comprises at least two layers and each layer comprises four interconnected elongate members pivotally attached and rotatable with respect to each other to define a polygon; and the assembly has at least one biasing means. A handle is movably coupled to the guide frame and supported on the assembly. The apparatus provides decreasing stiffness with increasing compression of the assembly under an applied load to the handle for reducing vibration in a predetermined frequency range.
    Type: Application
    Filed: January 31, 2018
    Publication date: September 19, 2019
    Applicant: The Hong Kong Polytechnic University
    Inventor: Xingjian JING
  • Voltage balancing circuit
    Patent number: 10418825
    Abstract: A voltage balancing circuit is applied to a power supply system. The power supply system comprises N power storage devices. The voltage balancing circuit comprises: N switches, N capacitors and a controller; the N switches are respectively connected to the N serial power storage devices; the N switches are respectively connected to the first terminals of the N capacitors; the second terminals of the N capacitors are connected to a common neutral line; the controller is connected to the N switches through a control line to control the switching of the N switches. The voltage balancing circuit avoids power loss when balancing the voltage of a plurality of serial power storage devices, and is small in size and low-cost, and balances voltage quickly.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: September 17, 2019
    Assignee: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Ka Wai Eric Cheng, Yuanmao Ye, Xiangdang Xue
  • Preparation of nanostructured titanium
    Patent number: 10400321
    Abstract: The present disclosure relates to the preparation of bulk nanostructured pure titanium at cryogenic temperatures using rolling, allowing the whole microstructures of pure titanium to be refined into the one that the mean grain size is smaller than 100 nm.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: September 3, 2019
    Assignee: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventor: Guangping Zheng
  • Interactive exoskeleton robotic knee system
    Patent number: 10390973
    Abstract: An interactive exoskeleton robotic knee system for assist walking and gait training. The system comprises of an exoskeleton framework to be attached to the thigh and shank of the user's leg; electric motor; mechanical lock; motion sensor assembled on the lower limb unit, and a control box. The system provides extension and flexion movement in the knee joint.
    Type: Grant
    Filed: June 21, 2015
    Date of Patent: August 27, 2019
    Assignee: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventors: Kai-Yu Tong, Corinna Ursula Ockenfeld, Ling Fung Yeung, Sze Kit Ho, Hon-Wah Wai, Man-Kit Pang
  • Method for preparing aqueous MnOink and capacitive energy storage devices comprising MnO
    Patent number: 10395851
    Abstract: In one aspect, the present disclosure relates to an improved method of preparing concentrated MnO2 ink with increased efficiency and cost effectiveness. The method involves mixing KMnO4 solution with highly crystalline carbon particles (HCCPs) with average diameters less than 800 nm at 30-60° C. for at least 8 hours. The present disclosure further relates to a symmetric supercapacitor device comprising MnO2 coated electrodes and a solid state ionic liquid as electrolyte, as well as an interdigital transparent SC (IT-SC) device comprising aqueous MnO2 ink.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: August 27, 2019
    Assignee: The Hong Kong Polytechnic University
    Inventors: Jiasheng Qian, Jikang Yuan, Shu Ping Lau
  • Preparation of nanostructured titanium at cryogenic temperatures for medical implant applications
    Patent number: 10385435
    Abstract: This invention is in the preparation of bulk nanostructured pure titanium at cryogenic temperatures using equal channel angular pressing and rolling, allowing the whole microstructures of pure titanium to be refined into the one that the mean grain size is smaller than 100 nm.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: August 20, 2019
    Assignee: THE HONG KONG POLYTECHNIC UNIVERSITY
    Inventor: Guangping Zheng
  • Reversible wavelength channels for optical communication networks
    Patent number: 10382158
    Abstract: An optical transmission system comprises at least one first connection point and one second connection point arranged to transmit and receive at least one channel signal transmitted via at least one optical means connecting the first connection point and the second connection, wherein each of the at least one channel signal is reversibly configurable to be transmitted in either a first direction or a second direction between the first connection point and the second connection point. A method of transmitting at least one channel signal between a first connection point and a second connection point via at least one optical media in an optical transmission system, wherein each of the at least one channel signal is reversibly configurable to be transmitted in either a first direction or a second direction between the first and the second connection points.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: August 13, 2019
    Assignees: The Hong Kong Polytechnic University, Versitech Limited
    Inventors: Chun-yin Li, Ping-Kong Alexander Wai, Victor On-Kwok Li
  • Method for generating hydroxyl radical and removing organic pollutants in water by utilizing an organic membrane
    Patent number: 10364165
    Abstract: The present invention provides a method for generating hydroxyl radicals and removing organic pollutants in water by utilizing an organic membrane. The inventive method generates hydroxyl radicals by adopting a nitrocellulose membrane as a photocatalytic material, placing the nitrocellulose membrane in water, illuminating with the sun or a sunlamp having a wavelength above 280 nm as a light source, and causing the nitrocellulose membrane to undergo a photochemical reaction at the membrane surface, and the generation rate of hydroxyl radicals can be achieved by adjusting the surface area of the membrane and a light intensity. The generated hydroxyl radicals can remove phenol, bisphenol A, thiamphenicol and other typical organic pollutants in water very well.
    Type: Grant
    Filed: June 25, 2016
    Date of Patent: July 30, 2019
    Assignee: HENAN POLYTECHNIC UNIVERSITY
    Inventors: Chao Tai, Jiaping She, Shao Dong Zhang, Tong Qian Zhao, Dang Yu Song, Lei Feng, Yu Xiang Mao, Yong An Qi, Guo Cheng Zhang, Li Jun Zhang, Juan Wang
  • Photoluminescent nanoparticles and their synthesis and uses
    Patent number: 10316246
    Abstract: The present invention discloses a method of preparing polymeric photoluminescent dots in water using inexpensive non-conjugated polymers. The resulting polymeric photoluminescent dots display the following properties: excellent water dispersibility, low toxicity, high absorptivity, good photo-stability and high quantum yield. The photoluminescent properties are not influenced by aggregation-caused quenching effect. The method is amenable to scale-up and is environmentally friendly.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: June 11, 2019
    Assignee: The Hong Kong Polytechnic University
    Inventors: Pei Li, Yuan Yao, Dechao Niu
  • Photocatalyst
    Patent number: 10315191
    Abstract: A photocatalyst includes a composite fiber having at least two crystalline semi-conductors that provide a heterojunction structure in the composite fiber.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: June 11, 2019
    Assignee: Hong Kong Polytechnic University
    Inventors: Wallace Woon Fong Leung, Chun Pei
  • APPARATUS AND METHOD FOR IMPARTING FALSE TWIST TO A YARN
    Publication number: 20190127893
    Abstract: An apparatus for imparting false twist to a staple yarn comprising a yarn guide for guiding a staple yarn along a path and a false twist device comprising a convex surface for engagement with a staple yarn so as to impart a force to the staple yarn when the staple yarn engages with and traverses the convex surface of the false twist device, and wherein the relative positioning between the yarn guide and the convex surface of the false twist device is adjustable such that, when a staple yarn is engaged with the convex surface of the false twist device and extends between the yarn guide and the false twist device, the amount of contact between the staple yarn and the convex surface of the false twist device can be controlled.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 2, 2019
    Applicant: The Hong Kong Polytechnic University
    Inventors: Xiaoming TAO, Rong YIN
  • Heterogeneous microarray based hybrid upconversion nanoprobe/nanoporous membrane system
    Patent number: 10266403
    Abstract: The invention relates to a microarray design of hybrid upconversion nanoparticles on a nanoporous anodized alumina membrane heterogeneous assay for simultaneous detection of multiple oligonucleotides, for example, oligonucleotides from different types of viruses.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: April 23, 2019
    Assignee: The Hong Kong Polytechnic University
    Inventors: Jianhua Hao, Mo Yang, Ming-Kiu Tsang, Weiwei Ye