Patents by Inventor Xinli Liu

Xinli 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: 10831237
    Abstract: A dual-screen electronic apparatus is provided. The apparatus includes: a first display screen with a first physical border; a second display screen with a second physical border; and a processor, configured to control display of the first display screen and the second display screen. In response to a first mode of use, a first portion of the second physical border and a second portion of the first physical border are hidden from view; and in response to a second mode of use, the first display screen is arranged on a first surface of the dual-screen electronic apparatus, and the second display screen is arranged on a second surface of the dual-screen electronic apparatus, the first surface being opposite to the second surface.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: November 10, 2020
    Assignee: LENOVO (BEIJING) CO., LTD.
    Inventors: Lijun Wang, Xinli Yu, Yimin Zheng, Yue Liu
  • Patent number: 10738163
    Abstract: A fast-response thermoplastic shape-memory polyimide and a preparation method thereof, related to a polyimide and a preparation method thereof. The present invention aims to solve the problem in high-temperature conditions of slow shape recovery poor stability, and poor mechanical properties of a shape-memory polymer prepared by utilizing an existing method. The structural formula of the polyamide of the present invention is as represented by formula (I). The preparation method is: 1. preparation of a diamine solution; 2. preparation of an anhydride-terminated high molecular weight polyamic acid; 3. preparation of a viscous sol-gel; and, 4. preparation of the thermoplastic shape-memory polyimide. The thermoplastic shape-memory polyimide prepared per the present invention is provided with a very fast shape recovery rate and improved shape-memory effect. The present invention is applicable in the field of polyimide preparation.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: August 11, 2020
    Assignee: Harbin Institute of Technology
    Inventors: Jingsong Leng, Xinli Xiao, Yanju Liu, Deyan Kong
  • Publication number: 20200180715
    Abstract: Provided are a system and a method for assembling a double-deck vehicle body. The system includes a vehicle body chassis support and an upper floor support. The vehicle body chassis support includes a crossbeam, end supports, and an intermediate support, where the end supports are arranged separately at two ends of the crossbeam, the intermediate support is arranged at the middle of the crossbeam, a height of the end supports is greater than a height of the intermediate support, an upper surface of the end supports and an upper surface of the intermediate support are configured to be closely fitted to a lower surface of a vehicle body chassis; and the upper floor support is detachably arranged on a vehicle body chassis for supporting an upper floor of the vehicle body.
    Type: Application
    Filed: February 14, 2020
    Publication date: June 11, 2020
    Inventors: XINLI TIAN, Wenzhong Liang, Xiaozhong Feng, Dongjun Liu, Mingwei Zhang, Wenxiao Wang, Mao Mao
  • Publication number: 20200166258
    Abstract: Disclosed are an oil return control method and device of an air conditioning system, a storage medium and an air conditioning system, wherein the oil return control method is used for a three-pipe air conditioning system, and the three-pipe air conditioning system comprises a compressor, an outdoor heat exchanger, an indoor heat exchanger, a gas-liquid separator, a first pipeline, a second pipeline and a third pipeline; the oil return control method comprises the following steps: controlling the compressor to operate at a first frequency in a refrigerating mode; judging whether the operation duration of the refrigerating mode reaches a first preset time or not; if so, the air conditioning system enters an oil return state, and the compressor, the third pipeline, the second pipeline and the gas-liquid separator are controlled to be communicated in sequence to form a refrigerant circulation loop.
    Type: Application
    Filed: June 3, 2019
    Publication date: May 28, 2020
    Inventors: Xinli WANG, Meibing XIONG, Mingkun FENG, Haowei ZHAO, Jiajin LIU
  • Publication number: 20200050032
    Abstract: An anti-peep structure, a method for manufacturing an anti-peep structure, and a display device are provided. The anti-peep structure includes a substrate made of a first material having a first refractive index, the substrate including a light incident surface and a light outgoing surface disposed opposite to each other, where a plurality of grooves are disposed in the substrate at a side of the light incident surface or the light outgoing surface; a second material having a second refractive index disposed in the plurality of grooves; and a refractive index regulating component configured to control the second refractive index; where a viewing angle at the light outgoing surface is determined by a difference between the first refractive index and the second refractive index.
    Type: Application
    Filed: August 6, 2019
    Publication date: February 13, 2020
    Inventors: Dongchuan CHEN, Xueqiang QIAN, Bingyang LIU, Dan WANG, Xinli MA
  • Publication number: 20190212779
    Abstract: A dual-screen electronic apparatus is provided. The apparatus includes: a first display screen with a first physical border; a second display screen with a second physical border; and a processor, configured to control display of the first display screen and the second display screen. In response to a first mode of use, a first portion of the second physical border and a second portion of the first physical border are hidden from view; and in response to a second mode of use, the first display screen is arranged on a first surface of the dual-screen electronic apparatus, and the second display screen is arranged on a second surface of the dual-screen electronic apparatus, the first surface being opposite to the second surface.
    Type: Application
    Filed: January 7, 2019
    Publication date: July 11, 2019
    Inventors: Lijun WANG, Xinli YU, Yimin ZHENG, Yue LIU
  • Patent number: 9816327
    Abstract: An information transmission apparatus for logging while drilling comprises a hollow drilling rod and at least one cable. The drilling rod comprises at least one first drilling rod member and at least one second drilling rod member spliced to each other alternately. The first drilling rod member comprises a through hole, and the second drilling rod member comprises a stepped hole. The cable comprises a fixed end, a connected end, and a folded portion connect the fixed end to the connected end. Each of the cables is fixed in the stepped hole through a fixed end or is connected to a connected end of an adjacent cable. The connected end may be stretched along the stepped hole, and stretched through the through hole to be electrically connected to a logging instrument or a fixed end of the adjacent cable. The apparatus provides protection for a cable through a hollow drilling rod, thereby improving the transmission reliability.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: November 14, 2017
    Assignees: CHINA NATIONAL PETROLEUM CORPORATION, CNPC DRILLING RESEARCH INSTITUTE, BEIJING PETROLEUM MACHINERY FACTORY
    Inventors: Guanghua Liu, Lianyang Zou, Xinli Liu, Yanfu Huang, Shikai Tao, Wenjing Yang, Guoxing Yan, Hongjiang Shi, Tiejun Li, Chen Wang, Qian Shi, Chengqin Sun, Chunhua Zhang, Zhiyong Zhou, Xingming Pan, Qingkui Wu, Zhangjian Li
  • Patent number: 9676904
    Abstract: The invention provides a metal alkoxide complex of Formula (I), wherein X, M, R1, R2, R3, m, n, y and z are as defined in the Description. The invention also provides a catalyst composition comprising the metal alkoxide complex and a hydroxy-containing compound, wherein the molar ratio of the metal alkoxide complex to the hydroxy-containing compound is 1:0.1-1000. The invention also provides a production method of poly-?-caprolactone or polyactide, wherein an ?-caprolactone monomer or a lactide monomer is reacted in the presence of the metal alkoxide complex or catalyst composition to obtain poly-?-caprolactone or polylactide. The metal alkoxide complex and the catalyst composition thereof can be used to catalyze the synthesis of poly-?-caprolactone or polylactide with a high efficiency.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: June 13, 2017
    Assignee: Changchun Institute of Applied Chemistry Chinese Academy of Sciences
    Inventors: Dongmei Cui, Xinli Liu, Bo Liu, Shihui Li, Dongtao Liu, Chunji Wu
  • Publication number: 20150152726
    Abstract: An information transmission apparatus for logging while drilling comprises a hollow drilling rod and at least one cable. The drilling rod comprises at least one first drilling rod member and at least one second drilling rod member spliced to each other alternately. The first drilling rod member comprises a through hole, and the second drilling rod member comprises a stepped hole. The cable comprises a fixed end, a connected end, and a folded portion connect the fixed end to the connected end. Each of the cables is fixed in the stepped hole through a fixed end or is connected to a connected end of an adjacent cable. The connected end may be stretched along the stepped hole, and stretched through the through hole to be electrically connected to a logging instrument or a fixed end of the adjacent cable. The apparatus provides protection for a cable through a hollow drilling rod, thereby improving the transmission reliability.
    Type: Application
    Filed: June 18, 2013
    Publication date: June 4, 2015
    Inventors: Guanghua Liu, Lianyang Zou, Xinli Liu, Yanfu Huang, Shikai Tao, Wenjing Yang, Guoxing Yan, Hongjiang Shi, Tiejun Li, Chen Wang, Qian Shi, Chengqin Sun, Chunhua Zhang, Zhiyong Zhou, Xingming Pan, Qingkui Wu, Zhangjian Li
  • Publication number: 20140364580
    Abstract: The invention provides a metal alkoxide complex of Formula (I), wherein X, M, R1, R2, R3, m, n, y and z are as defined in the Description. The invention also provides a catalyst composition comprising the metal alkoxide complex and a hydroxy-containing compound, wherein the molar ratio of the metal alkoxide complex to the hydroxy-containing compound is 1:01-1000. The invention also provides a production method of poly-?- caprolactone or polyactide, wherein an ?-caprolactone monomer or a lactide monomer is reacted in the presence of the metal alkoxide complex or catalyst composition to obtain poly-?-caprolactone or polylactide. The metal alkoxide complex and the catalyst composition thereof can be used to catalyze the synthesis of poly-?- caprolactone or polylactide with a high efficiency.
    Type: Application
    Filed: September 11, 2012
    Publication date: December 11, 2014
    Applicant: Changchun Institute of Applied Chemistry Chinese Academy of Sciences
    Inventors: Dongmei Cui, Xinli Liu, Bo Liu, Shihui Li, Dongtao Liu, Chunji Wu
  • Patent number: 8394901
    Abstract: An isoprene or butadiene cis 1,4-selective polymerization catalyst system together with its polymerization method is provided. This catalyst system is composed of NCN-imine pincer type rare earth metal complex of formula [2,6-(CH?N—R1)2-4-R2-1-C6H2]LnX2(THF)n and alkylating reagent. In an hydrocarbon solvent or under bulk conditions, at a polymerization temperature in a range of ?20-120° C., the conjugated diene is polymerized by using the catalyst system, to produce polyisoprene and polybutadiene having controllable number-average molecular weight, molecular weight distribution of 3.0 or less than, and cis 1,4-content of 95% or more, even 99% or more. The crude rubber and vulcanized rubber of the polyisoprene have high strength, stretching crystallization capability and transparency.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: March 12, 2013
    Assignee: Changchun Institute of Applied Chemistry Chinese Academy of Sciences
    Inventors: Dongmei Cui, Xinli Liu, Dongtao Liu, Wei Gao, Shihui Li, Lingfang Wang, Zhichao Zhang
  • Patent number: 7965080
    Abstract: A phantom for use in quality control measurement of a fully integrated magnetic resonance/PET scanner is disclosed. The phantom features radiation activity distributed throughout an electrically conductive binder. Suitably, the binder is elastomeric and includes carbon fibers distributed throughout it to set the conductivity of the phantom to a desired level. The phantom is applicable to various multimodality integrated medical imaging systems such as MR/SPECT and MR/CT in addition to MR/PET.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: June 21, 2011
    Assignee: Siemens Medical Solutions USA, Inc.
    Inventors: Johannes Breuer, A. Andrew Carey, Xinli Liu, Volker Matschl, Rainer Paul
  • Patent number: 7925326
    Abstract: A solid fiduciary marker for registering at least two images when imaging the same subject using distinct imaging devices is disclosed. The solid fiduciary marker is visible in at least two of a Positron Emission Tomography (PET), Single Photon Emission Computed Tomography (SPECT), Planar gamma camera, X-ray CT, planar X-ray, Magnetic Resonance Imaging (MRI), and optical imager. The marker includes at least two of various doping compounds to be detected by the various imaging systems. The doping compounds include a positron emitting nuclide, a gamma emitting nuclide, a doping compound, metal, and a silicone-based polymer is used in association with an MRI device.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: April 12, 2011
    Assignee: Siemens Molecular Imaging, Inc.
    Inventors: Stefan Siegel, Eric Arnsdorff, Xinli Liu
  • Publication number: 20100286350
    Abstract: An isoprene or butadiene cis 1,4-selective polymerization catalyst system together with its polymerization method is provided. This catalyst system is composed of NCN-imine pincer type rare earth metal complex of formula [2,6-(CH?N—R1)2-4-R2-1-C6H2]LnX2(THF)n and alkylating reagent. In an hydrocarbon solvent or under bulk conditions, at a polymerization temperature in a range of ?20-120° C., the conjugated diene is polymerized by using the catalyst system, to produce polyisoprene and polybutadiene having controllable number-average molecular weight, molecular weight distribution of 3.0 or less than, and cis 1,4-content of 95% or more, even 99% or more. The crude rubber and vulcanized rubber of the polyisoprene have high strength, stretching crystallization capability and transparency.
    Type: Application
    Filed: April 28, 2009
    Publication date: November 11, 2010
    Inventors: Dongmei Cui, Xinli Liu, Dongtao Liu, Wei Gao, Shihui Li, Lingfang Wang, Zhichao Zhang
  • Publication number: 20100066372
    Abstract: A phantom for use in quality control measurement of a fully integrated magnetic resonance/PET scanner is disclosed. The phantom features radiation activity distributed throughout an electrically conductive binder. Suitably, the binder is elastomeric and includes carbon fibers distributed throughout it to set the conductivity of the phantom to a desired level. The phantom is applicable to various multimodality integrated medical imaging systems such as MR/SPECT and MR/CT in addition to MR/PET.
    Type: Application
    Filed: September 15, 2009
    Publication date: March 18, 2010
    Applicant: Siemens Medical Solutions USA,Inc.
    Inventors: Johannes Breuer, A. Andrew Carey, Xinli Liu, Volker Matschi, Rainer Paul
  • Publication number: 20070073143
    Abstract: A solid fiduciary marker for registering at least two images when imaging the same subject using distinct imaging devices is disclosed. The solid fiduciary marker is visible in at least two of a Positron Emission Tomography (PET), Single Photon Emission Computed Tomography (SPECT), Planar gamma camera, X-ray CT, planar X-ray, Magnetic Resonance Imaging (MRI), and optical imager. The marker includes at least two of various doping compounds to be detected by the various imaging systems. The doping compounds include a positron emitting nuclide, a gamma emitting nuclide, a doping compound, metal, and a silicone-based polymer is used in association with an MRI device.
    Type: Application
    Filed: September 2, 2005
    Publication date: March 29, 2007
    Applicant: CTI Concorde Microsystems, LLC
    Inventors: Stefan Siegel, Eric Arnsdorff, Xinli Liu