Patents by Inventor Longfei Li

Longfei Li 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: 20240153450
    Abstract: The present disclosure provides a line drive signal enhancement circuit, a shift register unit, and a display panel, and relates to the technical field of display. The line drive signal enhancement circuit includes a control unit, an inverter unit, a first output unit and a second output unit. The control unit has a first peripheral control terminal and a second peripheral control terminal respectively loaded with two inverted signals, and the input terminal is electrically connected with the first power supply lead. The first output unit and the second output unit both have two input terminals. The two input terminals are respectively electrically connected with the first power supply lead and the second power supply lead. The output terminal of the control unit is electrically connected with the control terminal of the first output unit and/or the control terminal of the second output unit.
    Type: Application
    Filed: May 31, 2021
    Publication date: May 9, 2024
    Inventors: Yunlong LI, Longfei FAN, Qian WU
  • Publication number: 20240125010
    Abstract: The present disclosure provides a twisting machine for automatic donning, including an outer yarn branch rail arranged at the middle position of the twisting machine, wherein the outer yarn branch rail is positioned above the twisting machine, so as to successively drive the outer yarn carrier assembly to deliver the outer yarn winding package by suspending; further including an inner yarn branch rail arranged at the both sides of the twisting machine, the inner yarn branch rail is positioned above the twisting machine, so as to successively drive the inner yarn carrier assembly to deliver the inner yarn winding package by suspending. The forementioned structure enables the outer yarn winding package and the inner yarn winding package to be delivered high-efficiently in large scale by suspending and conveying, so as to largely reduce the labor intensity of operators and greatly improve production efficiency.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 18, 2024
    Inventors: Jian NIE, Pihua ZHANG, Ming ZHANG, Yanwei ZHANG, Lei WU, Yuchao YAN, Yongming LI, Longfei ZHANG, Qingqing LV, Huanian YANG
  • Publication number: 20240125011
    Abstract: A lifting system for inner yarn rails relates to the technical field of twisting and weaving equipment in factories, the system comprises an in-air conveying rail, and a carrier unit, wherein the in-air conveying rail is configured to convey the carrier unit, and the carrier unit is configured to carry a winding package; an inner yarn-carrier-lifting section is arranged on the in-air conveying rail, the inner yarn-carrier-lifting section is positioned on both sides of a twisting machine; when the inner yarn-carrier-lifting section rises, it communicates with the in-air conveying rail; when the inner yarn-carrier-lifting section descends, it approaches the position of a spindle bucket of the twisting machine. The winding packages delivered each time by one carrier unit can correspond to every spindle position of the twisting machine, dramatically improving the delivery efficiency of the winding packages.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 18, 2024
    Inventors: Jian NIE, Pihua ZHANG, Ming ZHANG, Yanwei ZHANG, Lei WU, Yuchao YAN, Yongming LI, Longfei ZHANG, Qingqing LV, Huanian YANG
  • Publication number: 20240124227
    Abstract: The present disclosure provides a whole-process automatic loading-and-unloading and logistics system, including an outer yarn preparation area, an inner yarn preparation area, a weaving area and an in-air conveying rail; the outer yarn preparation area is configured to have a carrier assembly, which delivers an outer yarn winding package to an outer yarn branch rail of a twisting machine in a twisting area via the out yarn main rail of the in-air conveying rail; in the inner yarn preparation area, the carrier assembly delivers an inner yarn winding package to an inner yarn branch rail of the twisting machine in the twisting area via the inner yarn main rail of the in-air conveying rail; in the twisting area, the carrier assembly delivers a yarn product to a yarn product donning rail in the weaving area via the yarn product main rail of the in-air conveying rail.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 18, 2024
    Inventors: Jian NIE, Pihua ZHANG, Ming ZHANG, Yanwei ZHANG, Lei WU, Yuchao YAN, Yongming LI, Longfei ZHANG, Qingqing LV, Huanian YANG
  • Publication number: 20240091892
    Abstract: The present disclosure discloses a rolling ring shrink fitting tool for rotary equipment, including a lifting frame; a movement slot is formed in a bottom surface of a top of the lifting frame; an output end of a first motor is connected with a main gear; guide rollers are embedded in a lifting seat through bearings; shrink fitting plates are two semicircular structures; lifting lugs are welded on outer sides of the shrink fitting plates; tooth rings are arranged outside the shrink fitting plates; stop rods are fixed on inner walls of the tooth rings; supporting screw rods are embedded at sunken positions on inner walls of the shrink fitting plates through bearings.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Inventors: Le LI, Rui YANG, Huaijun JI, Qianbiao XU, Haoji DENG, Yongjie SUN, Hong YANG, Yincheng ZHOU, Bo HU, Jie REN, Lie WANG, Longfei MIAO, Hansi BAI, Tiantian HU, Jinxin ZHAO, Yizhuan QIAN, Changbao CHEN, Xingzheng YANG, Xiaoli GUO, Lihui DU
  • Publication number: 20240093443
    Abstract: Disclosed in the present disclosure is a double-deck multi-span bridge construction method. According to the double-deck bridge construction method of the present disclosure, construction is carried out by using a method of disassembling a support jig frame in a graded and span-separated mode, an upper chord jig frame and a lower chord jig frame can be used in a recycle manner, and construction costs are reduced. In addition, a construction period of building the support jig frame is shortened, and other construction operations can be synchronously carried out on a span in which the jig frame is disassembled, for example, fire retardant coating construction can be carried out on a mounted bridge deck after the jig frame is disassembled, and the construction period of a double-deck multi-span bridge is effectively shortened.
    Type: Application
    Filed: September 23, 2021
    Publication date: March 21, 2024
    Applicant: CHINA CONSTRUCTION SCIENCE AND INDUSTRY CORPORATION LTD.
    Inventors: Jinglei REN, Bing SUN, Yonggang GAO, Hongyu SHEN, Shaohui ZHU, Jianguo QI, Cui LIU, Ruihua YAN, Zhiqiang HE, Longfei LI, Sijie YANG, Huaidong ZHANG, Xu CHEN, Wei JIANG, Wenbo LI, Yingwu SUN, Yuhang ZHANG
  • Patent number: 11926004
    Abstract: The present disclosure discloses a rolling ring shrink fitting tool for rotary equipment, including a lifting frame; a movement slot is formed in a bottom surface of a top of the lifting frame; an output end of a first motor is connected with a main gear; guide rollers are embedded in a lifting seat through bearings; shrink fitting plates are two semicircular structures; lifting lugs are welded on outer sides of the shrink fitting plates; tooth rings are arranged outside the shrink fitting plates; stop rods are fixed on inner walls of the tooth rings; supporting screw rods are embedded at sunken positions on inner walls of the shrink fitting plates through bearings.
    Type: Grant
    Filed: November 27, 2023
    Date of Patent: March 12, 2024
    Assignee: ZHONGJIAN WUZHOU ENGINEERING EQUIPMENT CO., LTD
    Inventors: Le Li, Rui Yang, Huaijun Ji, Qianbiao Xu, Haoji Deng, Yongjie Sun, Hong Yang, Yincheng Zhou, Bo Hu, Jie Ren, Lie Wang, Longfei Miao, Hansi Bai, Tiantian Hu, Jinxin Zhao, Yizhuan Qian, Changbao Chen, Xingzheng Yang, Xiaoli Guo, Lihui Du
  • Publication number: 20240076985
    Abstract: For the problem of difficult roof anchor withdrawal at the end of a working face, a static crushing directional anchor withdrawal method at the end of a large-mining-height working face is provided. The method includes the following steps: designing key parameters of boreholes for static crushing, including a borehole position, a spacing between boreholes, a borehole depth, and a borehole diameter at the end of a working face; then determining parameters of a static crushing agent grouting technology device for the construction of a static crushing process; and carrying out an anchor withdrawal operation at the end.
    Type: Application
    Filed: May 23, 2023
    Publication date: March 7, 2024
    Inventors: Xuandong LI, Fuqi WANG, Zhixiang LI, Jun WU, Chao GAO, Bin TIAN, Jiangning WANG, Yuanda REN, Dongdong WANG, Longfei WANG, Hua ZHANG, Jianhua CHEN, Zhenghu MO, Xiaogang LI
  • Patent number: 11852132
    Abstract: The disclosure discloses a method and a device for controlling cylinder switching of a compressor, a unit and an air conditioning system. The method includes: determining whether the compressor needs to perform cylinder switching; if so, adjusting current operating frequency according to a system pressure difference so that both the adjusted operating frequency and the system pressure difference meet a cylinder switching condition of the compressor; and controlling the compressor to perform cylinder switching. At the moment, the system pressure difference and the operation frequency are stable, and would not interfere the compressor's maintaining of the single-cylinder or double-cylinder operation state, which guarantees the energy efficiency of the unit where the compressor is located, and improves the use experience of a user.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: December 26, 2023
    Assignee: Gree Electric Appliances, Inc. of Zhuhai
    Inventors: Hua Liu, Ke Xu, Qunbo Liu, Longfei Li, Yaopeng Rong
  • Patent number: 11841150
    Abstract: A method for controlling the power-on or power-off of an air conditioner is provided. The method includes the following steps: determining whether a variable capacity compressor of the air conditioner is in a standby single-cylinder operation state before starting the air conditioner, where the variable capacity compressor is configured to be switchable between a single-cylinder operation state and a dual-cylinder operation state; if so, starting the air conditioner; if not, switching the variable capacity compressor to the standby single-cylinder operation state, and then starting the air conditioner. With this control method, regardless of whether the air conditioner is shut down because the power supply of the unit is cut off or because a power-off signal is received, the air conditioner can be started in a single-cylinder operation state in the next startup, so that the operation state of the cylinder is always determined when starting the air conditioner.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: December 12, 2023
    Assignee: Gree Electric Appliances, Inc. of Zhuhai
    Inventors: Kai Yu, Yaopeng Rong, Ke Xu, Qunbo Liu, Yi Ni, Longfei Li
  • Patent number: 11835040
    Abstract: A method and a device for controlling a capacity change of a compressor, and a smart home appliance. The method includes: determining whether a capacity of the compressor is required to be changed; if yes, determining an intermediate frequency; changing the capacity of the compressor while maintaining the operating frequency of the compressor at the intermediate frequency; and the maintaining the operating frequency of the compressor at the intermediate frequency reduces a sudden change in output of the compressor after the changing the capacity.
    Type: Grant
    Filed: December 22, 2018
    Date of Patent: December 5, 2023
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Kai Yu, Longfei Li, Qunbo Liu, Yi Ni, Ke Xu, Yaopeng Rong, Zhongqiu Zhang, Zhenjiang Zhao
  • Patent number: 11808261
    Abstract: Disclosed are a variable capacity compressor operation mode determination method and device, a variable capacity compressor and an air conditioner. The variable capacity compressor operation mode determination method includes: detecting a current value of a compressor at present as A1 before switching an operation mode of the compressor; detecting the current value of the compressor at present as A2 after switching the operation mode of the compressor and reaching a preset time; comparing A1 and A2, determining that the switching of the operation mode of the compressor is successful when a ratio relationship between A1 and A2 satisfies a preset condition, and determining that switching of the operation mode of the compressor is failed when the ratio relationship between A1 and A2 dissatisfies a preset condition.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: November 7, 2023
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Hua Liu, Longfei Li, Handong Xue, Yi Ni, Yingsheng Fu, Yaopeng Rong, Zhongqiu Zhang, Qunbo Liu, Ke Xu
  • Publication number: 20220197888
    Abstract: The present application discloses a data processing method, apparatus, system, device, and storage medium. The method includes: receiving IoT data reported by an IoT terminal device; according to a preset rule transmitted by a service system, determining target IoT data in the IoT data, wherein the preset rule is a condition for indicating storage processing of the IoT data; and storing the target IoT data in a storage location corresponding to the preset rule.
    Type: Application
    Filed: June 24, 2021
    Publication date: June 23, 2022
    Inventors: Hongliang WANG, Longfei LI, Xinxin LIU, Fuchen TIAN, Tongbo WANG
  • Patent number: 11313575
    Abstract: The present disclosure discloses a networking method device and terminal for an air conditioning unit. The networking method includes: detecting an outside ambient temperature after a target networking indoor unit is started; determining a target operating mode of the target networking indoor unit according to the outside ambient temperature; detecting a system pressure value of a multi-split air conditioning system after an operating duration of the target networking indoor unit in the target operating mode is greater than a preset operating duration; and determining whether the target networking indoor unit belongs to a target networking system according to the system pressure value.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: April 26, 2022
    Assignee: Gree Electric Appliances, Inc. of Zhuhai
    Inventors: Hua Liu, Qunbo Liu, Jie Tang, Longfei Li, Yi Ni
  • Patent number: 11276068
    Abstract: Techniques for identifying fraudulent transactions are described. In one example method, an operation sequence and time difference information associated with a transaction are identified by a server. A probability that the transaction is a fraudulent transaction is predicted based on a result provided by a deep learning network, where the deep learning network is trained to predict fraudulent transactions based on operation sequences and time differences associated with a plurality of transaction samples, and where the deep learning network provides the result in response to input including the operation sequence and the time difference information associated with the transaction.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: March 15, 2022
    Assignee: Advanced New Technologies Co., Ltd.
    Inventor: Longfei Li
  • Patent number: 11244402
    Abstract: A plurality of variable data of personal attribute information associated with at least one vehicle insurance user is received at a prediction server. Based on a service scenario requirement, a pre-constructed prediction algorithm is selected. The plurality of variable data is processed by one or more processors using the pre-constructed prediction algorithm. At least one prediction result is generated as the prediction server.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: February 8, 2022
    Assignee: Advanced New Technologies Co., Ltd.
    Inventors: Yuxiang Lei, Guanru Li, Wei Ding, Jing Huang, Chunping Tan, Shiyi Chen, Mingqian Shi, Peilin Zhao, Longfei Li, Zhiqiang Zhang
  • Patent number: 11222046
    Abstract: Implementations of the present specification provide abnormal sample prediction methods and apparatuses. The method includes: obtaining a sample to be tested, wherein the sample to be tested comprises feature data with a given dimension, and wherein the given dimension is a first quantity; performing dimension reduction processing on the sample to be tested by using multiple dimension reduction methods to obtain multiple processed samples; inputting the multiple processed samples to multiple corresponding processing models to obtain scores of the multiple processed samples, wherein an ith processing model Mi in the multiple processing models scores the corresponding processed sample Si based on a hypersphere Qi; determining a comprehensive score of the sample to be tested based on scores of the multiple processed samples; and classifying, based on the comprehensive score, the sample to be tested as an abnormal sample.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: January 11, 2022
    Assignee: Advanced New Technologies Co., Ltd.
    Inventors: Yalin Zhang, Longfei Li
  • Patent number: 11210673
    Abstract: The present specification discloses a method and an apparatus for training a transaction feature generation model, and a method and an apparatus for generating a transaction feature. The method for generating a transaction feature can include the following: obtaining a target dataset, where the target dataset includes some pieces of transaction data; obtaining some original features of the transaction data and determining one or more combination methods for the original features; determining a feature vector of a new feature that is obtained by combining the original features based on each combination method; inputting the feature vector into a trained transaction feature generation model, and outputting a prediction result of the new feature; and selecting some new features whose prediction results meet a specified condition as transaction features generated for the target dataset.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: December 28, 2021
    Assignee: Advanced New Technologies Co., Ltd.
    Inventor: Longfei Li
  • Patent number: 11201815
    Abstract: The invention relates to a method and system for selecting a least-loaded route based on a naive Bayes classifier, so that the performance of a method for selecting a least-loaded route is improved. A network snapshot records historical network status information, and a naive Bayes classifier is used to predict the potential future network blocking probability if a service connection is established along a candidate route between each node pair. A network snapshot corresponds to each service request that arrives, and records the number of busy capacity units on each link.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: December 14, 2021
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Gangxiang Shen, Longfei Li, Ya Zhang
  • Patent number: D1018687
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: March 19, 2024
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Ningning Li, Lei Zhang, Bo Xu, Longfei Wang