Patents by Inventor Zhihui Zhang

Zhihui 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).

  • Publication number: 20250129682
    Abstract: A seal energization assembly, including a seal, a setting arrangement in operative contact with the seal, and a set energy compensation device disposed in operative contact with the seal and add energy to the setting arrangement responsive to a falling environmental temperature. A method for maintaining energy in a seal during temperature down cycling, including automatically compensating for temperature related reduction in the seal energy by expanding a set energy compensating device in contact with the seal. A packer, including a mandrel, a seal on the mandrel, and a setting arrangement in operative contact with the seal, the arrangement including a negative thermal expansion set energy compensation device. A wellbore system, including a borehole in a subsurface formation, a string in the borehole, and a seal energization assembly, disposed within or as a part of the string.
    Type: Application
    Filed: October 24, 2023
    Publication date: April 24, 2025
    Inventors: Zhihui Zhang, Guijun Deng, Emerson Nunez Moran
  • Publication number: 20250108513
    Abstract: A robot calibration method based on pose constraint and force sensing includes the following steps: establishing a kinematic model, a geometric error model, and a non-geometric error model; installing an end calibration device to an end of a robot, and installing to the geometric constraint device into a working space of the robot; dragging the robot, constraining various calibration spheres of the end calibration device into various V-shaped grooves on the geometric constraint device to achieve pose constraint; then dragging the calibration spheres to V-shaped grooves on different surfaces, and calibrating a geometric parameter error of the robot using a deviation between a nominal end pose measured twice and an actual value; reading an end force by a force sensor to calibrate the non-geometric error model; identifying kinematic model parameters of a corresponding robot; and compensating an identified kinematic model parameter error to a controller of the robot.
    Type: Application
    Filed: June 20, 2023
    Publication date: April 3, 2025
    Applicant: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCES
    Inventors: Guilin YANG, Jianhui HE, Silu CHEN, Hongyu WAN, Jingbo LUO, Ye TANG, Zhihui ZHANG, Qingying CHEN, Chi ZHANG
  • Patent number: 12263602
    Abstract: A robot calibration method based on pose constraint and force sensing includes the following steps: establishing a kinematic model, a geometric error model, and a non-geometric error model; installing an end calibration device to an end of a robot, and installing to the geometric constraint device into a working space of the robot; dragging the robot, constraining various calibration spheres of the end calibration device into various V-shaped grooves on the geometric constraint device to achieve pose constraint; then dragging the calibration spheres to V-shaped grooves on different surfaces, and calibrating a geometric parameter error of the robot using a deviation between a nominal end pose measured twice and an actual value; reading an end force by a force sensor to calibrate the non-geometric error model; identifying kinematic model parameters of a corresponding robot; and compensating an identified kinematic model parameter error to a controller of the robot.
    Type: Grant
    Filed: June 20, 2023
    Date of Patent: April 1, 2025
    Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCES
    Inventors: Guilin Yang, Jianhui He, Silu Chen, Hongyu Wan, Jingbo Luo, Ye Tang, Zhihui Zhang, Qingying Chen, Chi Zhang
  • Patent number: 12232343
    Abstract: An organic light emitting device, a preparation method therefor, and a display apparatus are provided. The organic light emitting device includes an anode, a cathode, and a light emitting layer and an electron transport layer arranged between the anode and the cathode. The electron transport layer is arranged between the light emitting layer and the cathode. The electron transport layer includes a first host material and a second host material. A mixing ratio of the first host material to the second host material of one side of the electron transport layer close to the light emitting layer is different from a mixing ratio of the first host material to the second host material of one side of the electron transport layer away from the light emitting layer.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: February 18, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Zhihui Zhang, Yan Fan, Xing Fan, Shu Jing, Huameng Liu, Kuo Shen
  • Publication number: 20250052136
    Abstract: A density-based flow control configuration includes a housing and a first baffle having a first flow opening, a second baffle having a second flow opening adjacent the first baffle, one of the baffles being rotationally movable relative to the housing and to the other of the baffles, a first density float associated with the movable baffle, to impart torque to the associated baffle, the torque causing alignment or misalignment of the first and second openings. A method for allowing flow of a target fluid and choking flow of a nontarget fluid, including exposing a density-based flow control configuration to a fluid, imparting torque to a first baffle, and aligning or misaligning an opening in the first baffle with another opening to allow or choke flow of the fluid. A wellbore system, including a density-based flow control configuration.
    Type: Application
    Filed: August 7, 2023
    Publication date: February 13, 2025
    Inventors: Ping Duan, Guijun Deng, Zhihui Zhang, John Wakefield, Daniel Ewing
  • Publication number: 20250051133
    Abstract: An evacuation bridge for bridging a horizontal gap between two elevator cars of an elevator system in an emergency situation includes: a support structure having a base plate and at least one side part, wherein the base plate is attachable at its ends to evacuation openings of the elevator cars to form a walkway between the evacuation openings; wherein the side part is mounted movably between a first position and a second position to the base plate so that an overall width of the support structure is adjustable to a first overall width by moving the side part in the first position and to a second overall width by moving the side part in the second position; and wherein the first overall width is smaller than an individual width of each evacuation opening and the second overall width is larger than the individual width of each evacuation opening.
    Type: Application
    Filed: December 12, 2022
    Publication date: February 13, 2025
    Inventors: Stefan Weber, Longhong Wang, Zhihui Zhang, Janey Wang, Marco Caplazi
  • Publication number: 20250052137
    Abstract: An inflow control device (ICD), including a hydrocyclonic device having a plurality of pressure taps therein and a valve responsive to differential pressure of the plurality of pressure taps. An inflow control device (ICD) including a switch having a primary flow inlet and a primary flow outlet, and a trigger that generates a differential pressure in the trigger due to separation of fluids having different densities. A method for allowing flow of a desired fluid while retarding a flow of undesired fluid in a flow control device, including flowing a pilot fluid through a fluid separator, separating components of the pilot fluid, applying differential pressure of two of the separated components to a valve that is actuated by differential pressure, flowing or retarding flow of a primary flow through the valve in response to the differential pressure.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 13, 2025
    Inventors: Zhihui Zhang, Guijun Deng, Bin Zhu, Daniel Ewing, Rowland Moffatt, John Wakefield
  • Patent number: 12207000
    Abstract: A shooting method, performed by an electronic device, the electronic device includes an operating system and is provided with a functional camera, an application layer of the electronic device is provided with a third-party application, and the shooting method includes: in response to a shooting operation on a shooting interface of the third-party application, sending a data processing request to a framework layer of the operating system by the third-party application, the data processing request being a request for indicating to process initial image data collected by the functional camera; sending the data processing request to a hardware abstraction layer of the operating system by the framework layer; and processing the initial image data by the hardware abstraction layer in response to the data processing request to obtain target image data, and sending the target image data to the third-party application by the hardware abstraction layer.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: January 21, 2025
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Yuqing Gu, Zhihui Zhang, Guohao Yang
  • Publication number: 20250020042
    Abstract: A fluid density valve housing includes a pilot fluid inlet and outlet and a primary fluid inlet and outlet. A shuttle is disposed within the housing. The shuttle comprises a portion having a reference density and a portion defining a cavity fluidically connected to the pilot fluid inlet, the shuttle permitting or denying primary fluid flow depending upon a density of a pilot fluid flowing through the cavity versus the reference density. A method for controlling flow, including comparing density of a pilot flow with a reference density, moving a valve between fully open, fully closed, and choked depending upon the differential density between the pilot fluid and the reference density. A borehole system, including a borehole in a subsurface formation, a string in the borehole, and a fluid density valve disposed within or as a part of the string.
    Type: Application
    Filed: July 11, 2023
    Publication date: January 16, 2025
    Inventors: Bin Zhu, Guijun Deng, Daniel Ewing, Zhihui Zhang, Ronnie Russell, John Wakefield
  • Publication number: 20250008805
    Abstract: A display substrate includes a light emitting element on a base substrate; and a light modulating structure on a side of the light emitting element away from the base substrate. The light modulating structure includes a color filter layer and a substantially transparent layer on a side of the color filter layer away from the base substrate. The color filter layer includes a plurality of color filter units, a respective color filter unit of the plurality of color filter units being in an individual subpixel. Adjacent color filter units are spaced apart by a portion of the substantially transparent layer that extends into a region between the adjacent color filter units. An orthographic projection of the respective color filter unit on the base substrate at least partially overlaps with an orthographic projection of a light emitting layer of the light emitting element on the base substrate.
    Type: Application
    Filed: November 24, 2022
    Publication date: January 2, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Cheng Han, Qixiao Wu, Zhihui Zhang, Yanqiang Wang, Songquan Wu, Yanming Wang, Xu Li, Le Wang, Lihui Luo, Yansong Li
  • Patent number: 12174976
    Abstract: An information processing device according to one embodiment of the present disclosure comprises a processor. The processor is configured to generate a distributed component aimed at a three dimensional printing task. The distributed component is used for controlling, independent of the information processing device, execution of the three dimensional printing task after establishing a connection with a user equipment, and comprises decryption information of three dimensional model data used for the three dimensional printing task. The processor is further configured to control the arrangement of the distributed component to the user equipment.
    Type: Grant
    Filed: August 23, 2023
    Date of Patent: December 24, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Zhihui Zhang, Weibin Shi
  • Publication number: 20240410272
    Abstract: An embodiment of a tripping object, including a sensor, and a disappear on demand material shell surrounding the sensor. An embodiment of a tool for a borehole environment, including an activator comprising a disappear on demand material, a data collector disposed in contact with the activator. An embodiment of a method for taking an action in a borehole and immediately collecting data, including conveying an object to a feature in a borehole, engaging the feature with the object causing a change based upon the object engaging the feature, disappearing the shell, and collecting data with the sensor. An embodiment of a borehole system, including a borehole in a subsurface formation, a feature in the borehole, an object disposed on the feature.
    Type: Application
    Filed: June 6, 2023
    Publication date: December 12, 2024
    Inventors: Zhihui Zhang, Guijun Deng, Emerson Nunez
  • Publication number: 20240401429
    Abstract: A seal assembly, including a seal including a first lattice impregnated with a conformable resilient material, a backup including a second lattice impregnated with a conformable resilient material, the second lattice having a greater rigidity than the first lattice. A borehole system including a borehole in a subsurface formation, a string in the borehole, and a seal assembly disposed within or as a part of the string.
    Type: Application
    Filed: May 31, 2023
    Publication date: December 5, 2024
    Inventors: Zhihui Zhang, Guijun Deng, Emerson Nunez, Jason Harper
  • Publication number: 20240389439
    Abstract: A display panel comprises: a base substrate; a display function layer, comprising multiple light-emitting elements; a light-exit angle limiting layer, comprising a first light-blocking region and multiple first light-exit regions corresponding to multiple light-emitting elements on a one-to-one basis, an orthographic projection of each first light-exit region on the base substrate overlapping with an orthographic projection of a corresponding light-emitting element on the base substrate; a dimming function layer, comprising multiple dimming structures corresponding to multiple light-emitting elements on a one-to-one basis, an orthographic projection of each dimming structure on the base substrate not overlapping with an orthographic projection of a corresponding light-emitting element on the base substrate, the dimming structure being configured to change a direction of propagation of part of the light that is emitted by the corresponding light-emitting element and directed toward the first light-blocking reg
    Type: Application
    Filed: June 6, 2023
    Publication date: November 21, 2024
    Inventors: Qixiao WU, Xu LI, Cheng HAN, Hao GAO, Zhihui ZHANG, Weiye ZHENG
  • Publication number: 20240301769
    Abstract: An actuator, including a housing having a flow conduit therethrough, a pressure balanced poppet disposed in the housing, initially preventing flow through the housing, and a heat evolving composition disposed to move the poppet by fluid heating to cease preventing flow through the housing upon ignition of the heat evolving composition. A method for actuating a tool, including igniting the heat evolution composition, heating a fluid located between the poppet and the housing, driving the poppet to move with the heated fluid, and flowing fluid through the housing. A borehole tool, including the actuator, a tool member disposed in the tool and movable by the fluid flowing through the housing, the movement of the tool member changing an operational condition of the tool. A borehole system, including a borehole in a subsurface formation, a string in the borehole, the actuator disposed within or as a part of the string.
    Type: Application
    Filed: March 8, 2023
    Publication date: September 12, 2024
    Inventors: YingQing Xu, Zhihui Zhang, Matthew D. Solfronk, Todd Christopher Jackson
  • Patent number: 12055000
    Abstract: A casing/liner string buoyancy arrangement including a casing/liner string, and a material defining a volume disposed within the string, the material excluding downhole fluids from the volume, the volume being of a lower specific gravity than the same downhole fluids. A method for managing buoyancy of a casing/liner string including configuring a casing/liner string, running the string, and selectively maintaining or degrading the material to adjust buoyancy of the string. A borehole system including a borehole in a subsurface formation, and an arrangement disposed in the borehole.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: August 6, 2024
    Assignee: BAKER HUGHES OILFIELD OPERATIONS LLC
    Inventors: YingQing Xu, Zhiyue Xu, Zhihui Zhang
  • Patent number: 12058883
    Abstract: Provided are a light-emitting device and a manufacturing method thereof, a display panel and a display device. The light-emitting device includes a plurality of light-emitting units including a first, a second, and a third light-emitting unit. Each light-emitting unit includes a micro-cavity structure including an anode, a hole transport layer, a functional layer, and a cathode. The functional layer of the first light-emitting unit includes a first light-emitting layer, a first buffer layer between the first light-emitting layer and the hole transport layer of the first light-emitting unit, and a second buffer layer between the first buffer layer and the first light-emitting layer. The material of the second buffer layer is different from that of the first buffer layer, the second buffer layer has a physical thickness less than or equal to 30 nanometers and an optical thickness less than or equal to 60 nanometers.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: August 6, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhihui Zhang, Yan Fan, Hao Gao, Xing Fan
  • Publication number: 20240260411
    Abstract: A light emitting substrate includes: a first base substrate, a plurality of light emitting devices located on the first base substrate, wherein the light emitting devices include a first light emitting device, a second light emitting device and a third light emitting device, each of the light emitting devices includes a first electrode layer, a light emitting functional layer and a second electrode layer which are stacked, the light emitting functional layer includes an emitting layer including a first emitting layer in the first light emitting device, a second emitting layer in the second light emitting device and a third emitting layer in the third light emitting device; the material of the first emitting layer is different from the material of the second emitting layer, and the material of the first emitting layer is different from the material of the third emitting layer.
    Type: Application
    Filed: June 21, 2022
    Publication date: August 1, 2024
    Inventors: Zhihui ZHANG, Bei WANG, Hao GAO, Yan FAN, Xiangmin WEN
  • Publication number: 20240229906
    Abstract: Provided is an electric cable driving mechanism having a self-return function. The electric cable driving mechanism includes a housing assembly, an electric motor, a three-stage transmission mechanism and a multifunctional nut, the three-stage transmission mechanism includes a coil spring assembly, the electric motor is fixed to the housing assembly, and the three-stage transmission mechanism and the multifunctional nut are mounted in the housing assembly; and the multifunctional nut includes two cable mounting grooves and is in transmission connection to the electric motor by means of the three-stage transmission mechanism. According to the electric cable driving mechanism having a self-return function of the present disclosure, the three-stage transmission mechanism is used, and outputs a larger force compared with two-stage transmission; and a split multifunctional screw rod is easy to mount, such that mounting of a coil spring during assembly is prevented from scratching the screw rod.
    Type: Application
    Filed: December 24, 2023
    Publication date: July 11, 2024
    Applicant: KEIPER SEATING MECHANISMS CO., LTD.
    Inventors: Zhihui ZHANG, Jinghui CHEN, Yutong GUO, Jiahao SHEN, Peina LIAN, Qi WANG, Jian CHANG
  • Patent number: D1044380
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: October 1, 2024
    Inventors: Aiming Hou, Zhihui Zhang, Gaixue Wang, Jing Gao