Patents by Inventor Weiwei Liu

Weiwei 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).

  • Patent number: 11644085
    Abstract: A reducer for high precision control includes a pin gear housing and two-stage reduction components disposed therein: a first-stage reduction component including an input shaft, a sun gear and a planet gear; and a second-stage reduction component including 2-3 eccentric shafts distributed uniformly, cycloidal gears, a pin, a left rigid disk and a right rigid disk, and bearings, wherein the cycloidal gears are supported by bearings on two eccentric sections of the eccentric shaft, shaft extensions on two sides of the eccentric section of the eccentric shaft are supported by bearings on the left rigid disk and the right rigid disk, and the left rigid disk and the right rigid disk are supported by bearings in inner holes of two sides of the pin gear housing.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: May 9, 2023
    Assignee: SUZHOU HUAZHEN INDUSTRY RV REDUCER CO., LTD.
    Inventor: Weiwei Liu
  • Publication number: 20230119725
    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: Application
    Filed: December 13, 2022
    Publication date: April 20, 2023
    Inventors: Kai WANG, Weiwei LIU, Peng WANG, Song ZHANG, Pengyuan ZHANG, Zhen HUANG
  • Publication number: 20230092705
    Abstract: An evaluation method and an evaluation device for evaluating a health state of well site equipment, and a storage medium are provided. The evaluation method for evaluating the health state of the well site equipment includes: obtaining operating parameters of a component to be tested of equipment to be tested in at least one dimension, the at least one dimension including an operating data dimension, an environmental data dimension, and a maintenance data dimension; obtaining evaluation values of a health state of the component to be tested in various dimensions based on the operating parameters of the various dimensions; obtaining a comprehensive evaluation value of the health state of the component to be tested based on the evaluation values of the health state of the component to be tested in the various dimensions.
    Type: Application
    Filed: May 18, 2022
    Publication date: March 23, 2023
    Applicant: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    Inventors: Kaishen LIU, Yuanjie XIE, Shouzhe LI, Zhuqing MAO, Hao YANG, Weiwei LIU, Kai WANG, Shuzhen CUI
  • Patent number: 11609195
    Abstract: An experimentation method for a type I stress intensity factor test considering frost heaving force periodic changes, steps being 1: preparing a specimen, waterjet cutting on the specimen to simulate a non-penetrating rock mass fracture; step 2: vacuum saturating the specimen; step 3: affixing a strain gauge in a non-elastic area at a tip of the specimen; step 4: placing the specimen into a rock mass (1) fracture frost heaving experiment box (5), pressurizing by a pressurizing apparatus (4) balloons on either side of the frost heaving experiment box (5), shutting a valve and removing a pipe, placing the frost heaving experiment box (5) holding the specimen into a water tank, allowing water to immerse the specimen; and step 5: placing the water tank and the frost heaving experiment box (5) holding the specimen together into a high-low temperature alternating experiment box (7) to start a freeze-thaw cycle experiment.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: March 21, 2023
    Assignee: Shandong University of Science and Technology
    Inventors: Qiang Feng, Zedong Yang, Shuang Zhang, Jichao Jin, Weiwei Liu, Zhe Qin, Tingchun Li
  • Publication number: 20230039397
    Abstract: A method, computer system, and a computer program product for determining locations for seams on a 3D model of an object is provided. The present invention may include training an artificial intelligence model using a set of training data. The present invention may include generating a first model for the object using a shrink wrap method. The present invention may include generating a second model for the object using a decimation method. The present invention may include comparing the object to objects in the set of training data to identify an object in the training data having a similar shape. The present invention may include identifying the object by determining if the object fits in between the first and second models. The present invention may lastly include projecting seams onto a model of the object using the trained artificial intelligence model.
    Type: Application
    Filed: August 4, 2021
    Publication date: February 9, 2023
    Inventors: Cindy Han Lu, Weiwei Liu, Thai Quoc Tran, Angela Monique LLOYD
  • Patent number: 11549349
    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: May 12, 2022
    Date of Patent: January 10, 2023
    Assignee: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    Inventors: Kai Wang, Weiwei Liu, Peng Wang, Song Zhang, Pengyuan Zhang, Zhen Huang
  • Publication number: 20220404563
    Abstract: The present disclosure discloses an optical module including a circuit board and a light-emitting assembly. In the light-emitting assembly, a wavelength tuning mechanism is formed of a semiconductor optical amplification chip, a silicon optical chip and a semiconductor refrigerator. The semiconductor optical amplification chip may provide a plurality of wavelengths, and a wavelength selection is carried out by an optical filter in the silicon optical chip; a temperature adjustment for the optical filter is achieved by the semiconductor refrigerator, so as to further adjust a performance of the filter for wavelength selection. The above device is provided in a housing to facilitate packaging of the devices.
    Type: Application
    Filed: August 22, 2022
    Publication date: December 22, 2022
    Applicant: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Weiwei LIU, Qian SHAO, Liu YANG, Tao WU
  • Publication number: 20220405999
    Abstract: A method, computer system, and a computer program product for projecting a 3D model defined by x, y, z coordinates onto the surface of a 2D image defined by u, v coordinates is provided. The present invention may include receiving a 3D model having a plurality of polygons, wherein certain edges are marked as seams. The present invention may include receiving input from a user, wherein the input comprises painting one or more parts of the 3D model in different colors, wherein the colors correspond with a weight of the area painted. The present invention may include unwrapping, by a processor, a 2D texture from the 3D model using a projection algorithm. The present invention may include generating a rectangular boundary around each island. The present invention may include scaling each island according to a gradient score.
    Type: Application
    Filed: June 21, 2021
    Publication date: December 22, 2022
    Inventors: Cindy Han Lu, ANGELA MONIQUE LLOYD, Thai Quoc Tran, Weiwei Liu
  • Publication number: 20220381715
    Abstract: An experimentation method for a type I stress intensity factor test considering frost heaving force periodic changes, steps being 1: preparing a specimen, waterjet cutting on the specimen to simulate a non-penetrating rock mass fracture; step 2: vacuum saturating the specimen; step 3: affixing a strain gauge in a non-elastic area at a tip of the specimen; step 4: placing the specimen into a rock mass (1) fracture frost heaving experiment box (5), pressurizing by a pressurizing apparatus (4) balloons on either side of the frost heaving experiment box (5), shutting a valve and removing a pipe, placing the frost heaving experiment box (5) holding the specimen into a water tank, allowing water to immerse the specimen; and step 5: placing the water tank and the frost heaving experiment box (5) holding the specimen together into a high-low temperature alternating experiment box (7) to start a freeze-thaw cycle experiment.
    Type: Application
    Filed: April 21, 2021
    Publication date: December 1, 2022
    Inventors: Qiang FENG, Zedong YANG, Shuang ZHANG, Jichao JIN, Weiwei LIU, Zhe QIN, Tingchun LI
  • Publication number: 20220364452
    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: Application
    Filed: May 12, 2022
    Publication date: November 17, 2022
    Inventors: Kai WANG, Weiwei LIU, Peng WANG, Song ZHANG, Pengyuan ZHANG, Zhen HUANG
  • Publication number: 20220345007
    Abstract: Embodiments of the present application provide electric power supply methods and electric power supply systems related to the field of electrical energy technology. An electric power supply method includes: acquiring an electrical energy parameter of electrical energy delivered by an upstream power supply system, and determining, based on the electrical energy parameter, whether a preset power supply condition for supplying power to a downstream target power-consuming system is met; determining a target distribution port corresponding to the target power-consuming system from a plurality of preset distribution ports when the preset power supply condition is met; controlling a supply of electric power to the target power-consuming system through the target distribution port.
    Type: Application
    Filed: April 25, 2022
    Publication date: October 27, 2022
    Inventors: Weiwei LIU, Kaishen LIU, Shouzhe LI, Zhuqing MAO, Haoliang SUN
  • Patent number: 11480040
    Abstract: The present invention discloses electro-hydraulic hybrid drive sand-mixing equipment, including a skid base, an electric motor, a hydraulic pump, a discharge centrifugal pump, a suction centrifugal pump, a mixing tank, a dry additive system, a liquid additive system, and a sand auger system. The electric motor, the hydraulic pump, the discharge centrifugal pump, the suction centrifugal pump, the mixing tank, the dry additive system, the liquid additive system, and the sand auger system are integrally skid mounted on the skid base. There are two electric motors, including a first electric motor and a second electric motor. The first electric motor drives the discharge centrifugal pump, and the second electric motor actuates the hydraulic pump, to drive the suction centrifugal pump, the mixing tank, the dry additive system, the liquid additive system, and the sand auger system. The electric motor is an integrated variable-frequency drive electric motor.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: October 25, 2022
    Assignee: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    Inventors: Maomao Han, Weiwei Liu, Yongcheng Liu, Yipeng Wu, Shuwei Li, Shijun Song, Lianpan Duan
  • Publication number: 20220316306
    Abstract: The present application relates to a fracturing system, a control system of the fracturing system and a method for controlling the fracturing system in wellsite operation, wherein, the control system comprises: a fracturing control device configured to acquire a target fracturing pressure of a fracturing unit, perform closed-loop control on the fracturing unit by taking the target fracturing pressure as a control target, and set a target sand blending pressure for the sand blending unit; a sand blending control device configured to perform closed-loop control on the sand blending unit by taking the target sand blending pressure as a control target.
    Type: Application
    Filed: July 26, 2021
    Publication date: October 6, 2022
    Inventors: Kaishen LIU, Xiance LI, Shuzhen CUI, Zhuqing MAO, Weiwei LIU, Liang LI, Pengyuan ZHANG, Dawei ZHAO
  • Publication number: 20220320383
    Abstract: A substrate and a method of manufacturing thereof. A scratch-resistant layer is formed before filling the solder paste in the area corresponding to the binding terminal of the light-emitting device on the substrate, so that each circuit in the drive circuit area of the substrate will not be damaged during screen printing. After filling solder paste, the scratch-resistant layer is stripped off to prevent the circuit on the substrate from being damaged, without affecting the performance of the substrate.
    Type: Application
    Filed: November 13, 2020
    Publication date: October 6, 2022
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Weiwei Liu
  • Publication number: 20220308949
    Abstract: There is provided an API publishing system, in which an application device includes a first storage module having a first executable program stored thereon, and a first processor capable of calling the first executable program to acquire API characteristic information, generate a standard API document, and push the standard API document to a receiving device; the receiving device includes a second storage module having a second executable program stored thereon, and a second processor capable of calling the second executable program to acquire and parse the standard API document; and a service management device includes a third storage module having a third executable program stored thereon, and a third processor capable of receiving and displaying the API characteristic information. An API information pushing method, an acquisition method for API characteristic information, an API publishing method, an application device, a receiving device and a service management device are further provided.
    Type: Application
    Filed: June 24, 2020
    Publication date: September 29, 2022
    Inventors: Weiwei LIU, Xiaozhong CHANG
  • Publication number: 20220155373
    Abstract: The present disclosure relates to a motor malfunction monitoring device, and a drive motor for oilfield operations including: a signal acquisition module configured to acquire operation data of the drive motor, wherein the signal acquisition module comprises a vibration signal acquisition unit and/or an electrical signal acquisition unit, the vibration signal acquisition unit comprises one or more vibration sensors mounted at a component to be detected of the drive motor during use and provided for detecting transverse vibration and/or longitudinal vibration, and/or the electrical signal acquisition unit comprises a voltage sensor and a current sensor for detecting a voltage and a current of the drive motor, respectively; a data storage module storing therein a database of normal operation spectrums created when the drive motor runs normally; and a signal analysis module configured to extract an acquired operation data spectrum of the operation data acquired, compare the acquired operation data spectrum with
    Type: Application
    Filed: January 22, 2021
    Publication date: May 19, 2022
    Inventors: Kaishen LIU, Shouzhe LI, Haiping XING, Zhuqing MAO, Weiwei LIU, Liang LI, Dawei ZHAO, Jun ZHANG
  • Patent number: 11333643
    Abstract: The present invention relates to a quality control method for a Chinese patent drug, and specifically relates to an identification method and a content measurement method for the pediatric compound Endothelium Corneum Gigeriae Galli chewable tablet. Identification is carried out by using specific thin-layer chromatographic identification conditions, and the content is measured by using specific high-performance liquid chromatographic conditions. Accordingly, the specificity and the accuracy are high, chemical components of the product can be fully reflected, the sensitivity is high, the reproducibility is high, the operations are simple, and the change condition of the product quality can be reflected more objectively, comprehensively and sensitively, so that the product quality is controlled on the whole, and comprehensive monitoring of the quality of the Chinese Drug is implemented.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: May 17, 2022
    Assignee: HENAN TALOPH PHARMACEUTICAL CO., LTD.
    Inventors: Zhonghua Guo, Lizhuang Zhang, Weiwei Liu, Muge Qi, Zhiping Zhang, Bingbing Zhang
  • Publication number: 20220091965
    Abstract: Assets in a virtual environment are assigned to locations based on attributes of the locations, such as light level, temperature, etc. Attributes are determined based on simulating the virtual environment. The virtual environment can be simulated over a period of time, during which multiple attribute values can be recorded, resulting in an aggregated attribute value to better enable more immersive asset placement.
    Type: Application
    Filed: September 20, 2020
    Publication date: March 24, 2022
    Inventors: Thai Quoc Tran, Cindy Han Lu, Weiwei Liu
  • Publication number: 20220074466
    Abstract: A reducer for high precision control includes a pin gear housing and two-stage reduction components disposed therein: a first-stage reduction component including an input shaft, a sun gear and a planet gear; and a second-stage reduction component including 2-3 eccentric shafts distributed uniformly, cycloidal gears, a pin, a left rigid disk and a right rigid disk, and bearings, wherein the cycloidal gears are supported by bearings on two eccentric sections of the eccentric shaft, shaft extensions on two sides of the eccentric section of the eccentric shaft are supported by bearings on the left rigid disk and the right rigid disk, and the left rigid disk and the right rigid disk are supported by bearings in inner holes of two sides of the pin gear housing.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 10, 2022
    Inventor: Weiwei Liu
  • Patent number: D979677
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: February 28, 2023
    Assignee: Shenzhen Lvqi Electronic Commerce Co., Ltd.
    Inventor: Weiwei Liu