Patents by Inventor Kay Wang

Kay Wang 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).

  • Fracturing control apparatus and control method therefor
    Patent number: 12140010
    Abstract: In a fracturing control apparatus, a first chemical agent storage tank is connected with a first delivery pump, and a material outlet of the first delivery pump communicates with a first position of a first fracturing fluid conveying pipeline. An outlet of the first fracturing fluid conveying pipeline communicates with an inlet of a fracturing pump, an outlet of the fracturing pump communicates with an inlet of a second fracturing fluid conveying pipeline, and a first flow detector is arranged at a second position of the second fracturing fluid conveying pipeline. The first delivery pump is connected with a first output interface of a controller, and the first flow detector is connected with a first input interface of the controller. The fracturing control apparatus and the control method of the fracturing control apparatus are used for adding chemical agents into fracturing fluids.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: November 12, 2024
    Assignee: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    Inventors: Kai Wang, Weiwei Liu, Peng Wang, Song Zhang, Pengyuan Zhang, Zhen Huang
  • Collaboration mode for touchpads
    Patent number: 12141372
    Abstract: Embodiments of systems and methods for providing a collaboration mode for touchpads are described. In an illustrative, non-limiting embodiment, an Information Handling System (IHS) may include a processor and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the IHS to receive inputs from a posture sensor, a software monitor, and a pen sensor, and set a touchpad to collaboration mode in response to the inputs.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: November 12, 2024
    Assignee: Dell Products, L.P.
    Inventors: Kai Wang, Daniel L. Hamlin, Vivek Viswanathan Iyer
  • Fuel Cell Stack Module
    Publication number: 20240372124
    Abstract: A fuel cell stack module includes at least one shared end plate and at least two fuel cell stacks arranged to share the at least one shared end plate. Each of the at least two fuel cell stacks is individually clamped. The fuel cell stack module can integrate more cells within a limited space to provide higher power density, and can also maintain uniform clamping forces and effective sealing within the respective fuel cell stacks to prevent leakage.
    Type: Application
    Filed: September 24, 2021
    Publication date: November 7, 2024
    Inventors: Kai Wang, Liyun Fu, Yafei Chang, Ze Chen
  • LOCOMOTIVE WIRELESS MULTI-HEADING REMOTE DISTRIBUTED POWER TRACTION OPERATION CONTROL SYSTEM, AND MULTI-HEADING LOCOMOTIVE
    Publication number: 20240351451
    Abstract: A locomotive wireless multi-heading remote distributed power traction operation control system. A set of differential multi-heading control unit (8) is added to a train control and management system of an original locomotive, and is combined and fused with a train control and management system (21), a brake control unit (24), a train safety monitoring device (20), a locomotive logic control unit (23), and a locomotive third-party device (25) to implement wireless multi-heading distributed power traction control operation of locomotives in a heavy haul combined train, and adapt to train multi-heading traction control operation of differential locomotives of a heavy haul combined train or multi-heading operation of different railway locomotives. Also provided is a multi-heading locomotive.
    Type: Application
    Filed: August 1, 2022
    Publication date: October 24, 2024
    Applicants: CENTRAL SOUTH UNIVERSITY, NATIONAL RAILWAY ADMINISTRATION EQUIPMENT TECHNOLOGY CENTER, SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE OF DAQIN RAILWAY CO., LTD, CHANGSHA NANRUI RAIL TRANSPORT ELECTRIC EQUIPMENT CO., LTD
    Inventors: Wei Li, Xiang Wei, Yongsheng Yu, Songxu Wang, Zhijian Liu, Meiqi Yao, Kai Wang, Wenlu Zhang, Ting Li
  • SCROLL DEVICE AND SCROLLABLE DISPLAY
    Publication number: 20240357755
    Abstract: A scrollable device including a fixture, a flexible display panel and a scroll device having a roller, a roller end cap and a torsion spring is provided. One side of the flexible display panel is connected to the fixture, while the other side is connected to the cylindrical surface of the roller. The roller end cap is rotatably disposed on the end part of the roller, and the torsion spring is inside the roller. One end of the torsion spring is connected to the roller, while the other end is connected to the roller end cap. When a relative rotation between the roller and the roller end cap is occurred, the torsion spring is rotated and deformed to form a restoring force. This restoring force can drive the roller to rotate relative to the roller end cap, thereby making the flexible display panel to roll up along the roller.
    Type: Application
    Filed: March 25, 2024
    Publication date: October 24, 2024
    Inventors: Hsing-Kai WANG, Chia-Chun YEH, Chen-Chu TSAI
  • BATTERY MODULE
    Publication number: 20240356152
    Abstract: A battery module includes a housing, a cell set disposed inside the housing and at least one baffle assembly. The cell set and the housing defines at least one flame guiding channel. The baffle assembly is perpendicular to the flame guiding channel, and has at least slit communicating to the flame guiding channel, which generates routes of compression and expansion for cooling an airflow of a be expelled combustible gas.
    Type: Application
    Filed: April 18, 2024
    Publication date: October 24, 2024
    Inventors: Chia-Chun CHANG, Cheng-Chin CHOU, Chao-Kai WANG
  • Positive electrode material, electrochemical device containing same, electronic device, and method for preparing the positive electrode material
    Patent number: 12126016
    Abstract: A positive electrode material includes a lithium composite oxide, and the positive electrode material comprises stress relief particles. There are cavities inside the stress relief particles, and the cavities are closed structures. The positive electrode material that includes the stress relief particles can be used to effectively tackle a stress and relieve the stress in advance, relieve a strain of the positive electrode material used at a high voltage, avoid ruptures of particles of the positive electrode material, and enhance structural stability of the positive electrode material. The positive electrode material and the electrochemical device having the positive electrode material achieve good high-voltage cycle performance and cycle stability.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: October 22, 2024
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventors: Kai Wang, Fei Zhang, Meng Wang, Leimin Xu
  • Techniques for memory error correction
    Patent number: 12124333
    Abstract: Methods, systems, and devices for techniques for memory error correction are described. A memory device operates in cycles associated with refresh operations and in cycles associated with refresh with error correction (ECC) operations independently. For example, the memory device includes an ECC patrol block having an error correction counter which indicates a row on which to perform an error correction procedure. Additionally, the memory device may include a refresh counter which indicates a row on which to perform a refresh operation. In response to receiving a command of a first type, the memory device modifies the error correction counter and maintains the refresh counter. Alternatively, in response to receiving a command of a second type, the memory device modifies the refresh counter and maintains the error correction counter.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: October 22, 2024
    Assignee: Micron Technology, Inc.
    Inventor: Kai Wang
  • Rotating pulp suction and robot transfer molding machine and molding method
    Patent number: 12116728
    Abstract: A rotating pulp suction and robot transfer molding machine includes: a frame and a pulp container located at an inner bottom of the frame. A pulp container drive mechanism is connected to the pulp container and drives the pulp container to move up and down. A pulp suction vacuum pipeline is arranged horizontally and two ends thereof are rotatably connected on the frame. A pulp suction mold is fixed on the middle of the pulp suction vacuum pipeline and connected thereto by a vacuumizing connecting structure. An extrusion mechanism downwardly engages with the pulp suction mold and extrudes pulp to prepare a wet blank of pulp product. A robot is mounted with a transfer mold and used to transfer the wet blank to outside of the frame. A high-low pressure sprinkler pipe is horizontally slidably connected with the frame and transversely arranged above the pulp suction vacuum pipeline.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: October 15, 2024
    Assignee: SHURCON MANUFACTURING (ZHEJIANG) CO., LTD.
    Inventors: Yaohua Pan, Gang Cen, Kai Wang, Chao Wang
  • HEAVY-HAUL TRAIN AND LONGITUDINAL DYNAMICS TRACTION OPERATION OPTIMIZATION CONTROL SYSTEM AND METHOD THEREOF
    Publication number: 20240336289
    Abstract: Disclosed in the present invention are a heavy-haul train and a longitudinal dynamics traction operation optimization control system and method thereof. A model prediction function is added to a locomotive wireless double heading system so as to suppress large longitudinal impulse that is likely to be generated when the operation speed of the heavy-haul combined train is regulated, especially when the heavy-haul train is switched at a grade change point working condition, and the major potential safety hazard that affects the safe and stable operation of the heavy-haul combined train is avoided.
    Type: Application
    Filed: February 27, 2023
    Publication date: October 10, 2024
    Inventors: Wei LI, Songxu WANG, Yongsheng YU, Wenlu ZHANG, Jianhua WU, Guozhong CHEN, Kai WANG
  • Polymer plastic front plate and method for manufacturing the same
    Patent number: 12109587
    Abstract: A polymer plastic front plate comprises: a plastic substrate and a hard coating layer formed on an adhesion surface of the plastic substrate. The hard coating layer comprises: organic-inorganic hybrid UV oligomer, high Tg UV resin additive, a plurality of dispersed flaky nano inorganic material, and photo initiator, so as to form a gas barrier hard coating layer with high surface dyne value (>44 dyne) on the adhesion surface of the plastic substrate. It not only has good ink printability and OCA adhesiveness, but also inhibits the diffusion of fugitive gas from polymer plastic front plates during high-temperature, high-temperature and high-humidity, high-low temperature thermal shocks and other harsh automotive industry environmental tests. The gas can be avoided from entering the OCA layer, thereby solving the problems of bubbles and delamination after the environmental tests are performed.
    Type: Grant
    Filed: October 17, 2023
    Date of Patent: October 8, 2024
    Assignee: ENFLEX CORPORATION
    Inventors: Hsin Yuan Chen, Chun Kai Wang, Yu Ling Chien
  • State detection circuit for detecting tri-state and state detection method thereof
    Patent number: 12111339
    Abstract: A state detection circuit for detecting whether a state of an input node is floating, grounded, or electrically connected to an external voltage includes: a unidirectional device circuit and a determination circuit. The unidirectional device circuit electrically conducts a test node to a detection node unidirectionally. The detection node is coupled to the input node. The test node, the unidirectional device circuit, the detection node and the input node form a current path. The determination circuit determines a state of the input node according to a voltage level of the detection node. Within a detection stage, the state detection circuit provides a test voltage at the test node. A voltage of the detection node is determined by the input node, the test voltage, and a characteristic of the unidirectional device circuit.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: October 8, 2024
    Assignee: RICHTEK TECHNOLOGY CORPORATION
    Inventors: Chun-Jen Yu, Hsuan-Kai Wang, Chi-Jen Yang, Hsien-Chih She
  • Wearable device
    Patent number: 12113272
    Abstract: A wearable device includes a conductive bottom shell, a conductive frame, an insulating member, and a circuit board. The conductive frame is disposed above the conductive bottom shell and separated from the conductive bottom shell. The conductive frame functions as an antenna and includes a feeding terminal and a first ground terminal. The insulating member is disposed between the conductive bottom shell and the conductive frame and prevents the conductive bottom shell from conducting electricity to the conductive frame. The circuit board is disposed inside the conductive frame, separated from the conductive bottom shell and disposed between the insulating member and the conductive frame. The feeding terminal and the first ground terminal are electrically connected to the circuit board.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: October 8, 2024
    Assignee: PEGATRON CORPORATION
    Inventors: Chin-Ting Huang, Hsi-Kai Hung, Chun-Kai Wang, Sony Chayadi
  • ACTIVE ENERGY-ABSORBING SHOCK ABSORBER FOR PERFORATION COMBINED WELL TESTING
    Publication number: 20240328288
    Abstract: An active energy-absorbing shock absorber for perforation combined well testing includes a first energy-absorbing mechanism, a second energy-absorbing mechanism and an axial-force cushioning mechanism. The first energy-absorbing mechanism includes a gun body, a gun head, a gun tail joint, a support frame, an energy-absorbing filling layer and a detonation mechanism. The second energy-absorbing mechanism includes an intermediate connecting cylinder, an outer cylinder, a limiting step, a movable impact head, a support base, a hydraulic buffer mechanism, a piston rod, an energy-absorbing spring and an inner cavity piston. The axial-force cushioning mechanism includes a housing, a guide mechanism, a buffer shaft and a multi-stage buffer spring. The absorber with a multi-layer structure is filled with a foam aluminum material.
    Type: Application
    Filed: June 14, 2024
    Publication date: October 3, 2024
    Inventors: Liangliang DING, Kai WANG, Jialin TIAN, Hongtao LIU, Yongzhi XUE, Ruifeng GUO, Hongtao JING, Qiang ZHANG
  • ROBOTIC LAWN MOWER
    Publication number: 20240324497
    Abstract: A robotic lawn mower comprises a frame, a first wheel set, and a second wheel set, wherein the first wheel set and the second wheel set are respectively arranged at opposite rear and front ends of the frame, the first wheel set is equipped with driving wheels, and the second wheel set is equipped with omni-directional wheels. The robotic lawn mower further comprises a controller, a first driving module, and a second driving module, wherein the controller is connected to each of the driving modules, the controller controls the first driving module to drive the first wheel set to move so as to provide main power to the robotic lawn mower, and the controller further controls the second driving module to drive the second wheel set to rotate so as to provide auxiliary power for overcoming a resistance generated by the ground when the second wheel set rotates.
    Type: Application
    Filed: August 30, 2023
    Publication date: October 3, 2024
    Inventors: Jidong WEI, Kai WANG
  • High-inertia Mold Shell for Casting and Preparation Method thereof and Method for Improving Precision of Magnesium Alloy Cast
    Publication number: 20240316620
    Abstract: The present disclosure belongs to the technical field of casting, and specifically relates to a high-inertia mold shell for casting, a preparation method thereof, and a method for improving precision of a magnesium alloy cast. The high-inertia mold shell for casting includes a surface layer, which is configured to contact a magnesium alloy pouring liquid, wherein the surface layer contains an inorganic compound, and the inorganic compound is at least one selected from the group consisting of boric anhydride, borax, potassium fluoride, and sodium fluoride; and in the above, based on a total amount of raw materials of the surface layer, a content of the inorganic compound accounts for 10-40 wt %.
    Type: Application
    Filed: July 7, 2022
    Publication date: September 26, 2024
    Applicant: DEKAI INTELLIGENT CASTING CO., LTD
    Inventors: Kai Wang, Chong Shao, Hailong Wu, Xiaoping Zhu, Xueyan Mo, Zongwen Zheng, Wuqiang Yang, Chunlei Zhu, Changyong Xing
  • B/N ORGANIC ELECTROLUMINESCENT MATERIAL AND PREPARATION METHOD AND USE THEREOF
    Publication number: 20240324460
    Abstract: The present invention provides a B/N organic electroluminescent material and its preparation method and use, as well as the corresponding organic light-emitting device. The B/N organic electroluminescent materials DBTN-1 and DBTN-2 in the present invention show narrowband green emission both in dilute solution and doped film, with extremely high photoluminescence quantum yields and efficient thermally activated delayed fluorescence feature. In particular, the organic light-emitting devices based on the above fluorescent dye exhibit ultra-pure green electroluminescence with high efficiencies and high color purity, which can be applied to usages such as ultra-high definition display technology.
    Type: Application
    Filed: May 23, 2024
    Publication date: September 26, 2024
    Inventors: Xiaohong ZHANG, Xiaochun Fan, Kai Wang
  • MAGNETIC RESONANCE SYSTEM, TRANSMISSION APPARATUS AND TRANSMISSION METHOD
    Publication number: 20240319300
    Abstract: A magnetic resonance system, a transmission apparatus, and a transmission method is provided. The transmission method includes: generating and outputting a pulse signal by a signal output unit, amplifying the pulse signal by a radio-frequency power amplifier, and transferring, by an impedance matching circuit, the signal amplified by the radio-frequency power amplifier to a transmit coil of the magnetic resonance system; and determining a first phase among a plurality of adjustable phases that enables a performance indicator of the radio-frequency power amplifier to meet a first condition, and adjusting an output impedance of the impedance matching circuit at least according to the first phase.
    Type: Application
    Filed: March 22, 2024
    Publication date: September 26, 2024
    Inventors: Yanfang Cai, Xin Xie, Chunlai Xiao, Yu Liu, Kai Wang
  • ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE
    Publication number: 20240322170
    Abstract: An electrochemical device, including a positive electrode, wherein the positive electrode includes a positive active material layer, which includes a positive active material, the positive active material includes a first substrate and a first region disposed on a surface of the first substrate, and based on a molar content of a Co element in the first region, a molar percentage X of an M1 element in the first region is ?0.5%, wherein M1 includes at least one of aluminum, magnesium, titanium, zirconium, manganese, lutetium, barium, nickel, lanthanum, yttrium, niobium, tungsten, calcium, sodium, selenium, or sulfur; and a negative electrode, wherein the negative electrode includes a negative active material layer; and 1.3?Pnegative/Ppositive? 3.5, wherein Pnegative is a porosity of the negative active material layer, and Ppositive is a porosity of the positive active material layer.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 26, 2024
    Applicant: Ningde Amperex Technology Limited
    Inventors: Kai WANG, Jia TANG
  • Mount bracket, storage device assembly, and server
    Patent number: 12099384
    Abstract: A mount bracket is adapted to fix a storage device to a first side plate. The mount bracket includes a base part and a handle. The base part includes a first support portion and a second support portion. The first support portion is configured to be removably disposed on the first side plate. The first support portion has at least one first buffering structure configured to be in contact with the first side plate. The second support portion is connected to the first support portion and configured to support the storage device. The handle is pivotably disposed on the base part.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: September 24, 2024
    Assignee: Wiwynn Corporation
    Inventors: Chia-Hsin Hsieh, Cyuan Lee, Bo-Kai Wang